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1. Kuo CY, Wen MC, Wang J, Jan YJ: Signet-ring stromal tumor of the testis: a case report and literature review. Hum Pathol; 2009 Apr;40(4):584-7
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  • [Title] Signet-ring stromal tumor of the testis: a case report and literature review.
  • Primary signet-ring stromal tumor of the testis is extremely rare.
  • Herein, we present a case of testicular signet-ring stromal tumor with positive immunostain for CD99, which has not been reported previously.
  • We also review the literature and discuss the clinicopathological significance of this type of tumor.
  • The most important differential diagnosis of signet-ring stromal tumor is metastatic signet-ring cell carcinoma because of its different management and prognosis.
  • Although ovarian signet-ring stromal tumors are categorized in the fibroma/thecoma group of sex cord stromal tumors, the cell origin of signet-ring stromal tumors is still debatable.
  • The histological criteria for predicting clinical behavior of signet-ring stromal tumors are not clear.
  • Fortunately, however, all reported signet-ring stromal tumors are benign tumors with excellent prognosis, and they do not recur or metastasize.
  • We consider signet-ring stromal tumor to be a special type of sex cord stromal tumor.
  • [MeSH-minor] Adult. Antigens, CD / metabolism. Cell Adhesion Molecules / metabolism. Humans. Male

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  • (PMID = 18835626.001).
  • [ISSN] 1532-8392
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD; 0 / CD99 protein, human; 0 / Cell Adhesion Molecules
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2. Maeda D, Ota S, Takazawa Y, Aburatani H, Nakagawa S, Yano T, Taketani Y, Kodama T, Fukayama M: Glypican-3 expression in clear cell adenocarcinoma of the ovary. Mod Pathol; 2009 Jun;22(6):824-32
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  • [Title] Glypican-3 expression in clear cell adenocarcinoma of the ovary.
  • Glypican-3 is a heparan sulfate proteoglycan that is overexpressed in various neoplasms such as hepatocellular carcinoma, malignant melanoma, and testicular yolk sac tumor.
  • Glypican-3 is currently regarded as a tumor marker and potential target for immunotherapy.
  • To clarify the significance of glypican-3 expression in ovarian clear cell adenocarcinoma, we evaluated glypican-3 expression by immunohistochemistry in nonneoplastic and neoplastic ovaries, and other Müllerian duct derivatives including endometrium in different menstrual phases.
  • Among the benign lesions examined, glypican-3 expression was identified exclusively in the endometrial epithelium in the gestational period.
  • A total of 213 cases of ovarian adenocarcinoma, including 94 clear cell adenocarcinomas, were studied.
  • Glypican-3 expression was observed in 44% of clear cell adenocarcinomas, whereas it was rarely observed in other histological subtypes: mucinous (4%), endometrioid (5%), and serous (11%; P<0.0001).
  • All six ovarian yolk sac tumors showed diffuse immunoreactivity for glypican-3.
  • In cases of clear cell adenocarcinoma, no correlations were found between glypican-3 expression and clinicopathological factors, such as tumor stage, lymph node metastasis, peritoneal dissemination, and death rate.
  • However, glypican-3 expression was significantly associated with poor overall survival in stage III/IV clear cell adenocarcinoma cases.
  • Our results suggest that overexpression of glypican-3 may be related to the development and aggressive behavior of ovarian clear cell adenocarcinoma.
  • [MeSH-major] Adenocarcinoma, Clear Cell / metabolism. Biomarkers, Tumor / analysis. Glypicans / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Female. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Middle Aged. Neoplasm Staging

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  • (PMID = 19329941.001).
  • [ISSN] 1530-0285
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Glypicans
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3. Rath KS, Funk HM, Bowling MC, Richards WE, Drew AF: Expression of soluble interleukin-6 receptor in malignant ovarian tissue. Am J Obstet Gynecol; 2010 Sep;203(3):230.e1-8
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  • [Title] Expression of soluble interleukin-6 receptor in malignant ovarian tissue.
  • OBJECTIVE: The objective of the study was to investigate interleukin-6 receptor (IL6R) isoforms and sheddases in the ovarian tumor microenvironment.
  • STUDY DESIGN: Expression of IL6R and sheddases was measured in tissue samples of papillary serous ovarian carcinomas and benign ovaries by real-time polymerase chain reaction and immunohistochemistry.
  • Murine xenograft samples were tested by enzyme-linked immunosorbent assay to discriminate and evaluate tumor and host contributions of IL6R.
  • RESULTS: IL6R expression was increased in malignant ovarian tumors and localized to epithelial cells.
  • An in vivo xenograft model showed that host IL6R expression is also increased and regulated by tumor-associated inflammation.
  • CONCLUSION: IL6R is overexpressed in epithelial ovarian malignancies because of increases in a soluble IL6R variant, in the sheddases for full-length IL6R and host IL6R expression.
  • Soluble IL6R may be an efficacious target for reducing IL6-mediated ovarian tumor progression.
  • [MeSH-major] Ovarian Neoplasms / metabolism. Receptors, Interleukin-6 / metabolism
  • [MeSH-minor] ADAM Proteins / metabolism. Adenocarcinoma, Clear Cell / metabolism. Adult. Aged. Amyloid Precursor Protein Secretases / metabolism. Animals. Cell Line, Tumor. Cystadenocarcinoma, Papillary / metabolism. Cystadenocarcinoma, Serous / metabolism. Enzyme-Linked Immunosorbent Assay. Female. Humans. Immunohistochemistry. Interleukin-6 / metabolism. Membrane Proteins / metabolism. Mice. Middle Aged. Ovary / metabolism. Polymerase Chain Reaction. Protein Isoforms. RNA / metabolism. Up-Regulation

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  • [Copyright] Copyright 2010 Mosby, Inc. All rights reserved.
  • (PMID = 20471626.001).
  • [ISSN] 1097-6868
  • [Journal-full-title] American journal of obstetrics and gynecology
  • [ISO-abbreviation] Am. J. Obstet. Gynecol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Interleukin-6; 0 / Membrane Proteins; 0 / Protein Isoforms; 0 / Receptors, Interleukin-6; 63231-63-0 / RNA; EC 3.4.- / Amyloid Precursor Protein Secretases; EC 3.4.24.- / ADAM Proteins; EC 3.4.24.- / tumor necrosis factor-alpha convertase; EC 3.4.24.81 / ADAM10 protein, human
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4. Maines-Bandiera S, Woo MM, Borugian M, Molday LL, Hii T, Gilks B, Leung PC, Molday RS, Auersperg N: Oviductal glycoprotein (OVGP1, MUC9): a differentiation-based mucin present in serum of women with ovarian cancer. Int J Gynecol Cancer; 2010 Jan;20(1):16-22
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  • [Title] Oviductal glycoprotein (OVGP1, MUC9): a differentiation-based mucin present in serum of women with ovarian cancer.
  • INTRODUCTION: Epithelial ovarian carcinomas are highly lethal because most are detected at late stages.
  • A previous immunohistochemical analysis showed that oviductal glycoprotein 1 (OVGP1), a secretory product of the oviductal epithelium under estrogen dominance, is produced predominantly by borderline and low-grade malignant epithelial ovarian tumors.
  • In the present study, we investigated OVGP1 as a possible serum marker for the detection of ovarian cancer.
  • Using 7E10 and a polyclonal antibody, a sandwich enzyme-linked immunosorbent assay was developed to assay OVGP1 levels in 135 normal sera, and sera from 21 benign tumors, 12 borderline tumors, and 87 ovarian cancers (18, grade 1-2 serous; 44, grade 3 serous; 10, mucinous; 10, clear cell; and 5, endometrioid).
  • RESULTS: Using a 95% confidence interval cutoff from the mean of normal postmenopausal sera, median OVGP1 levels were elevated in the sera from 75% of the women with borderline tumors and 80% of the women with mucinous, 60% with clear cell, 59% with grade 1 and 2 serous, 22% with grade 3 serous, and 0% with endometrioid carcinomas.
  • CONCLUSIONS: Increases in OVGP1 serum levels vary with ovarian tumor histotypes and stages.
  • Being differentiation based, OVGP1 seems to detect a different spectrum of ovarian epithelial cancers than other markers and thus should be a useful adjunct for more accurate detection, particularly of early serous ovarian cancers and mucinous carcinomas, which tend to lack increased CA125.
  • [MeSH-major] Adenocarcinoma, Mucinous / blood. Cystadenocarcinoma, Serous / blood. Glycoproteins / blood. Ovarian Neoplasms / blood
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / blood. CA-125 Antigen / blood. CA-125 Antigen / metabolism. Case-Control Studies. Cell Differentiation. Female. Humans. Menopause / blood. Middle Aged. Young Adult

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  • (PMID = 20130498.001).
  • [ISSN] 1525-1438
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Grant] Canada / Canadian Institutes of Health Research / / MT 5822
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CA-125 Antigen; 0 / Glycoproteins; 0 / OVGP1 protein, human
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5. Rossing MA, Cushing-Haugen KL, Wicklund KG, Doherty JA, Weiss NS: Risk of epithelial ovarian cancer in relation to benign ovarian conditions and ovarian surgery. Cancer Causes Control; 2008 Dec;19(10):1357-64
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  • [Title] Risk of epithelial ovarian cancer in relation to benign ovarian conditions and ovarian surgery.
  • OBJECTIVE: Some forms of ovarian neoplasms may be preventable through the removal of precursor lesions.
  • We assessed the risk associated with a prior diagnosis of, and ovarian surgery following, ovarian cysts and endometriosis, with a focus on characterizing risk among tumor subgroups.
  • METHODS: Information was collected during in-person interviews with 812 women with ovarian cancer diagnosed in western Washington State from 2002 to 2005 and 1,313 population-based controls.
  • RESULTS: The risk of a borderline mucinous ovarian tumor associated with a history of an ovarian cyst was increased (OR=1.7, 95% CI: 1.0-2.8), but did not vary notably according to receipt of subsequent ovarian surgery.
  • While risk of invasive epithelial ovarian cancer was slightly increased among women with a cyst who had no subsequent ovarian surgery, it was reduced when a cyst diagnosis was followed by surgery (OR = 0.6, 95% CI: 0.4-0.9).
  • Women with a history of endometriosis had a threefold increased risk of endometrioid and clear cell invasive tumors, with a lesser risk increase among women who underwent subsequent ovarian surgery.
  • CONCLUSIONS: Our results suggest differences in the relation of ovarian cysts and endometriosis with risk of specific subtypes of ovarian cancer as well as the possibility that ovarian surgery in women with these conditions may lower the risk of invasive disease.

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  • (PMID = 18704718.001).
  • [ISSN] 1573-7225
  • [Journal-full-title] Cancer causes & control : CCC
  • [ISO-abbreviation] Cancer Causes Control
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R01 CA087538-01A2; United States / NCI NIH HHS / CA / R01 CA087538-05; United States / NCI NIH HHS / CA / R01 CA087538; United States / NCI NIH HHS / CA / R01 CA87538; United States / NCI NIH HHS / CA / R01 CA087538-02; United States / NCI NIH HHS / CA / CA087538-05; United States / NCI NIH HHS / CA / R01 CA087538-03; United States / NCI NIH HHS / CA / R01 CA087538-04; United States / NCI NIH HHS / CA / CA087538-01A2
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural
  • [Publication-country] Netherlands
  • [Other-IDs] NLM/ NIHMS146032; NLM/ PMC2751585
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6. Yasuoka H, Tsujimoto M, Fujita S, Yamasaki T, Kashihara H, Nishio Y, Kodama R, Inagaki M, Oishi H, Sanke T, Nakamura Y: Coexistence of a clear cell adenocarcinoma and an adenosarcoma with a heterologous rhabdomyosarcoma in an endometriotic cyst of the ovary: a case study. Int J Gynecol Pathol; 2009 Jul;28(4):362-6
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  • [Title] Coexistence of a clear cell adenocarcinoma and an adenosarcoma with a heterologous rhabdomyosarcoma in an endometriotic cyst of the ovary: a case study.
  • SUMMARY: A rare case of a clear cell adenocarcinoma and an adenosarcoma coexisting with a heterologous rhabdomyosarcoma in an endometriotic cyst of the ovary is reported.
  • The tumor was composed of a cystic area and a solid area arising from the cyst wall.
  • The cyst wall was lined with a single layer of endometrial-type cells, whereas the solid area was composed of a clear cell adenocarcinoma.
  • In the detached polypoid mass, an exophytic leaf-like pattern containing benign endometrial-type cells and squamous epithelial and rhabdomyosarcoma components, which were positive for desmin and myoglobin, was observed.
  • Using X-chromosomal clonality assay, these clear cell adenocarcinoma and adenosarcoma components showed patterns of polyclonality.
  • To the authors' knowledge, this is the first reported case of a clear cell adenocarcinoma and an adenosarcoma coexisting with heterologous rhabdomyosarcoma in an endometriotic cyst of the ovary.
  • [MeSH-major] Adenocarcinoma, Clear Cell / pathology. Adenosarcoma / pathology. Neoplasms, Multiple Primary / pathology. Ovarian Cysts / pathology. Ovarian Neoplasms / pathology. Rhabdomyosarcoma / pathology

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  • (PMID = 19483627.001).
  • [ISSN] 1538-7151
  • [Journal-full-title] International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists
  • [ISO-abbreviation] Int. J. Gynecol. Pathol.
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Receptors, Androgen
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7. Byrne JA, Balleine RL, Schoenberg Fejzo M, Mercieca J, Chiew YE, Livnat Y, St Heaps L, Peters GB, Byth K, Karlan BY, Slamon DJ, Harnett P, Defazio A: Tumor protein D52 (TPD52) is overexpressed and a gene amplification target in ovarian cancer. Int J Cancer; 2005 Dec 20;117(6):1049-54
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  • [Title] Tumor protein D52 (TPD52) is overexpressed and a gene amplification target in ovarian cancer.
  • Recurrent chromosome 8q gain in ovarian carcinoma is likely to reflect the existence of multiple target loci, as the separate gain of chromosome bands 8q21 and 8q24 has been reported in independent studies.
  • Since tumor protein D52 (TPD52) has been identified as a chromosome 8q21 amplification target in breast and prostate carcinoma, we compared TPD52 expression in normal ovarian epithelium (n = 9), benign serous adenomas (n = 11), serous borderline tumors (n = 6) and invasive carcinomas of the major histologic subtypes (n = 57) using immunohistochemistry.
  • These analyses revealed that all normal ovarian epithelium samples and benign serous tumors were predominantly TPD52-negative, whereas TPD52 was overexpressed in most (44/57; 77%) ovarian carcinomas regardless of histologic subtype.
  • TPD52 subcellular localization was predominantly cytoplasmic, although nuclear localization was also frequently observed in mucinous and clear cell carcinomas.
  • TPD52 therefore represents a novel molecular marker in ovarian cancer, which is broadly expressed across the different histologic subtypes and whose upregulation frequently reflects increased TPD52 copy number.
  • [MeSH-major] Gene Amplification / genetics. Gene Expression. Neoplasm Proteins / genetics. Ovarian Neoplasms / genetics
  • [MeSH-minor] Biomarkers, Tumor / analysis. CA-125 Antigen / blood. Chromosomes, Human, Pair 8. Female. Humans. Immunohistochemistry. In Situ Hybridization, Fluorescence. Middle Aged. Ovary / chemistry

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  • [Copyright] Copyright 2005 Wiley-Liss, Inc
  • (PMID = 15986428.001).
  • [ISSN] 0020-7136
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CA-125 Antigen; 0 / Neoplasm Proteins; 0 / TPD52 protein, human
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8. Kalyanasundaram K, Ganesan R, Perunovic B, McCluggage WG: Diffusely infiltrating endometrial carcinomas with no stromal response: report of a series, including cases with cervical and ovarian involvement and emphasis on the potential for misdiagnosis. Int J Surg Pathol; 2010 Apr;18(2):138-43
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  • [Title] Diffusely infiltrating endometrial carcinomas with no stromal response: report of a series, including cases with cervical and ovarian involvement and emphasis on the potential for misdiagnosis.
  • The neoplasms consisted of 12 endometrioid carcinomas, 1 mixed endometrioid and clear cell carcinoma, and 1 serous carcinoma.
  • Several of the cases were seen in consultation and the pattern of infiltration raised a number of differential diagnoses, both benign and malignant, depending on the site of tumor involvement, including adenomyosis, adenomyoma, primary endocervical glandular lesions, cervical mesonephric remnants, endometriosis or tuboendometrioid metaplasia, and ovarian cortical inclusion cysts.
  • [MeSH-major] Adenocarcinoma / pathology. Endometrial Neoplasms / pathology. Ovarian Neoplasms / pathology. Uterine Cervical Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Diagnostic Errors / prevention & control. Female. Humans. Middle Aged. Myometrium / pathology. Neoplasm Invasiveness. Stromal Cells / pathology


9. Zhou M, McFarland-Mancini MM, Funk HM, Husseinzadeh N, Mounajjed T, Drew AF: Toll-like receptor expression in normal ovary and ovarian tumors. Cancer Immunol Immunother; 2009 Sep;58(9):1375-85
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Toll-like receptor expression in normal ovary and ovarian tumors.
  • Recent studies have implicated inflammation in the initiation and progression of ovarian cancer, though the mechanisms underlying this effect are still not clear.
  • Tumor cell expression of TLRs can promote inflammation and cell survival in the tumor microenvironment.
  • Here we sought to characterize the expression of TLRs in normal human ovaries, benign and malignant ovarian tumors from patients, and in established ovarian tumor cell lines.
  • TLR2, TLR3, TLR4, and TLR5 are expressed in benign conditions, epithelial tumors, and in ovarian cancer cell lines.
  • Variable expression of TLR6 and TLR8 was seen in benign and malignant epithelium of some patients, while expression of TLR1, TLR7, and TLR9 was weak.
  • Normal and malignant ovarian stroma were negative for TLR expression.
  • Functional activity for TLRs was demonstrated by stimulation of cell lines with specific ligands and subsequent activation and translocation of NFkappaB and release of the proinflammatory cytokines interleukin-6 and CCL-2.
  • These studies demonstrate expression of multiple TLRs in the epithelium of normal ovaries and in ovarian tumor cells, and may indicate a mechanism by which epithelial tumors manipulate inflammatory pathways to facilitate tumor progression.
  • [MeSH-major] Adenocarcinoma, Clear Cell / metabolism. Cystadenocarcinoma, Serous / metabolism. Ovarian Neoplasms / metabolism. Ovary / metabolism. Toll-Like Receptors / metabolism
  • [MeSH-minor] Adult. Aged. Animals. Epithelial Cells / metabolism. Estrous Cycle / metabolism. Female. Humans. Immunoenzyme Techniques. Mice. Mice, Inbred C57BL. Middle Aged. Prognosis. Tissue Array Analysis. Tumor Cells, Cultured

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  • (PMID = 19184006.001).
  • [ISSN] 1432-0851
  • [Journal-full-title] Cancer immunology, immunotherapy : CII
  • [ISO-abbreviation] Cancer Immunol. Immunother.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / Toll-Like Receptors
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10. Coronado Martín PJ, Fasero Laiz M, García Santos J, Ramírez Mena M, Vidart Aragón JA: [Overexpression and prognostic value of p53 and HER2/neu proteins in benign ovarian tissue and in ovarian cancer]. Med Clin (Barc); 2007 Jan 13;128(1):1-6
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  • [Title] [Overexpression and prognostic value of p53 and HER2/neu proteins in benign ovarian tissue and in ovarian cancer].
  • BACKGROUND AND OBJECTIVE: To investigate the prognostic value of p53 and HER2/neu overexpression in epithelial ovarian cancer (EOC).
  • PATIENTS AND METHOD: p53 and HER2/neu immunostaining were performed in 198 tissue samples, 124 EOC, 44 benign ovarian tumors and 30 normal ovaries.
  • RESULTS: Neither p53 nor HER2/neu overexpression was seen in the benign ovarian tumors.
  • P53 overexpression was found in 25% EOC and was related with advanced stage, endometrioid, clear cell and undifferentiated types, grade G3, and sub-optimal surgery.
  • HER2/neu immunostaining was observed in 24.2% and it was associated with advanced stage, clear cell and undifferentiated types, and suboptimal surgery.
  • [MeSH-major] Cystadenoma, Mucinous / genetics. Cystadenoma, Serous / genetics. Ovarian Neoplasms / genetics. Receptor, ErbB-2 / genetics. Teratoma / genetics. Tumor Suppressor Protein p53 / genetics
  • [MeSH-minor] Aged. Biomarkers, Tumor. Confidence Intervals. Endometriosis / genetics. Endometriosis / pathology. Endometriosis / surgery. Female. Follow-Up Studies. Genes, p53. Humans. Immunohistochemistry. Middle Aged. Multivariate Analysis. Neoplasm Recurrence, Local. Neoplasm Staging. Ovarian Diseases / genetics. Ovarian Diseases / pathology. Ovarian Diseases / surgery. Prognosis. Proportional Hazards Models. Risk. Survival Analysis. Time Factors


11. Lancaster JM, Sayer RA, Blanchette C, Calingaert B, Konidari I, Gray J, Schildkraut J, Schomberg DW, Marks JR, Berchuck A: High expression of insulin-like growth factor binding protein-2 messenger RNA in epithelial ovarian cancers produces elevated preoperative serum levels. Int J Gynecol Cancer; 2006 Jul-Aug;16(4):1529-35
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] High expression of insulin-like growth factor binding protein-2 messenger RNA in epithelial ovarian cancers produces elevated preoperative serum levels.
  • The molecular etiology of epithelial ovarian cancer remains unclear.
  • Using microarray expression analysis, we recently reported that expression of the insulin-like growth factor binding protein-2 (IGFBP-2) gene is elevated in advanced epithelial ovarian cancers.
  • The aim of this study was to further delineate the role of IGFBP-2 in the pathoetiology of epithelial ovarian cancer and determine if elevated ovarian cancer IGFBP-2 gene expression is reflected in serum.
  • Relative IGFBP-2 expression was measured using quantitative real-time polymerase chain reaction in 113 epithelial ovarian cancers and 6 normal ovarian surface epithelial samples.
  • Preoperative serum IGFBP-2 levels were measured by radioimmunoassay in 84 women (42 ovarian cancers, 26 benign gynecological conditions, and 10 healthy female controls).
  • Ovarian cancers demonstrated 38-fold higher mean IGFBP-2 expression than normal ovarian epithelium (P < 0.01).
  • Serum IGFBP-2 levels were elevated in women with early- and advanced-stage ovarian cancer compared to controls and patients with benign gynecological conditions (P = 0.05 and P < 0.01, respectively).
  • Epithelial ovarian cancers express high levels of IGFBP-2 relative to normal ovarian epithelium, and this is associated with elevated serum IGFBP-2 levels compared to both normal controls and patients with benign gynecological disease.
  • Our findings provide further support that the insulin-like growth factor pathway plays a significant role in epithelial ovarian cancer pathogenesis.
  • Further, IGFBP-2 may represent an additional serum biomarker with utility in detection and monitoring of epithelial ovarian cancer.
  • [MeSH-major] Biomarkers, Tumor / blood. Gene Expression Regulation, Neoplastic / genetics. Insulin-Like Growth Factor Binding Protein 2 / blood. Neoplasms, Glandular and Epithelial / blood. Ovarian Neoplasms / blood. RNA, Messenger / blood
  • [MeSH-minor] Adenocarcinoma, Clear Cell / blood. Adenocarcinoma, Clear Cell / genetics. Adenocarcinoma, Clear Cell / surgery. Adenocarcinoma, Mucinous / blood. Adenocarcinoma, Mucinous / genetics. Adenocarcinoma, Mucinous / surgery. CA-125 Antigen / blood. Case-Control Studies. Cystadenocarcinoma, Serous / blood. Cystadenocarcinoma, Serous / genetics. Cystadenocarcinoma, Serous / surgery. Endometrial Neoplasms / blood. Endometrial Neoplasms / genetics. Endometrial Neoplasms / surgery. Female. Humans. Immunoenzyme Techniques. Neoplasm Staging. Ovarian Cysts / blood. Ovarian Cysts / genetics. Ovary / pathology. Precancerous Conditions / blood. Precancerous Conditions / genetics. Precancerous Conditions / surgery. Preoperative Care. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 16884361.001).
  • [ISSN] 1048-891X
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CA-125 Antigen; 0 / Insulin-Like Growth Factor Binding Protein 2; 0 / RNA, Messenger
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12. Nolen B, Marrangoni A, Velikokhatnaya L, Prosser D, Winans M, Gorelik E, Lokshin A: A serum based analysis of ovarian epithelial tumorigenesis. Gynecol Oncol; 2009 Jan;112(1):47-54
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  • [Title] A serum based analysis of ovarian epithelial tumorigenesis.
  • OBJECTIVES: Ovarian epithelial carcinoma can be subdivided into separate histological subtypes including clear cell, endometrioid, mucinous, and serous.
  • This distinction could potentially be reflected in the levels of tumor produced factors that enter into the circulation and serve as biomarkers of malignant growth.
  • Here, we analyze levels of circulating biomarkers from a diverse set of patients diagnosed with ovarian carcinoma to identify biomarker trends and relationships associated with distinct carcinoma histotypes and divergent tumorigenic pathways.
  • METHODS: We utilize multiplexed bead-based immunoassays to measure serum levels of a diverse array of fifty-eight biomarkers from the sera of patients diagnosed with various histological subtypes of ovarian carcinoma and benign lesions.
  • Levels of each biomarker are compared statistically across carcinoma subtypes as well as with benign cases.
  • RESULTS: A total of 21 serum biomarkers differ significantly between patients diagnosed with ovarian carcinomas and benign cases.
  • Nine of these biomarkers are specific for carcinomas identified as clear cell, endometrioid, or mucinous in histology, while two biomarkers are specific for the serous histology.
  • Identified biomarkers include traditional and emerging tumor markers, cytokines and receptors, hormones, and adhesion- and metastasis-related proteins.
  • CONCLUSIONS: We demonstrate here that the divergent histology-based tumorigenic pathways proposed for ovarian epithelial carcinomas are associated with distinct profiles of circulating biomarkers.
  • Continued investigation into the relationships between these factors should reveal new insights into the complex mechanisms underlying ovarian epithelial tumorigenesis.

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  • (PMID = 19007974.001).
  • [ISSN] 1095-6859
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / CA117452-04S1; United States / NCI NIH HHS / CA / CA117452-03; United States / NCI NIH HHS / CA / R01 CA098642-03; United States / NCI NIH HHS / CA / R01 CA098642; United States / NCI NIH HHS / CA / R01 CA108990; United States / NCI NIH HHS / CA / U01 CA117452; United States / NCI NIH HHS / CA / R01 CA098642-02; United States / NCI NIH HHS / CA / U01 CA117452-04S1; United States / NCI NIH HHS / CA / R03 CA136019-01; United States / NCI NIH HHS / CA / R03 CA136019; United States / NCI NIH HHS / CA / U01 CA117452-03; United States / NCI NIH HHS / CA / U01 CA117452-01; United States / NCI NIH HHS / CA / CA117452-04; United States / NCI NIH HHS / CA / R01 CA098642-01A1; United States / NCI NIH HHS / CA / R01 CA108990-02; United States / NCI NIH HHS / CA / CA117452-02; United States / NCI NIH HHS / CA / U01 CA117452-02; United States / NCI NIH HHS / CA / U01 CA117452-04; United States / NCI NIH HHS / CA / R01 CA108990-04; United States / NCI NIH HHS / CA / R01 CA098642-04; United States / NCI NIH HHS / CA / CA136019-01; United States / NCI NIH HHS / CA / R01 CA108990-01A1; United States / NCI NIH HHS / CA / R01 CA108990-03; United States / NCI NIH HHS / CA / CA117452-01
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
  • [Other-IDs] NLM/ NIHMS92465; NLM/ PMC2657848
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13. Moolthiya W, Yuenyao P: The risk of malignancy index (RMI) in diagnosis of ovarian malignancy. Asian Pac J Cancer Prev; 2009;10(5):865-8
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  • [Title] The risk of malignancy index (RMI) in diagnosis of ovarian malignancy.
  • OBJECTIVE: To evaluate the ability of two risk of malignancy indices (RMI) based on serum levels of CA 125, ultrasonographic score, and menopausal status to discriminate between benign and borderline or malignant ovarian tumor.
  • CONCLUSION: The RMI is able to discriminate between benign and borderline or malignant ovarian tumor.
  • [MeSH-major] Adenocarcinoma, Clear Cell / diagnosis. Adenocarcinoma, Mucinous / diagnosis. CA-125 Antigen / blood. Cystadenocarcinoma, Serous / diagnosis. Endometrial Neoplasms / diagnosis. Ovarian Neoplasms / diagnosis
  • [MeSH-minor] Adult. Biomarkers, Tumor / blood. Female. Humans. Middle Aged. Neoplasm Staging. Postmenopause. Radioimmunoassay. Retrospective Studies. Sensitivity and Specificity. Survival Rate. Treatment Outcome. Ultrasonography

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  • (PMID = 20162854.001).
  • [ISSN] 2476-762X
  • [Journal-full-title] Asian Pacific journal of cancer prevention : APJCP
  • [ISO-abbreviation] Asian Pac. J. Cancer Prev.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Thailand
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / CA-125 Antigen
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14. Esheba GE, Pate LL, Longacre TA: Oncofetal protein glypican-3 distinguishes yolk sac tumor from clear cell carcinoma of the ovary. Am J Surg Pathol; 2008 Apr;32(4):600-7
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  • [Title] Oncofetal protein glypican-3 distinguishes yolk sac tumor from clear cell carcinoma of the ovary.
  • Clear cell carcinoma (CCC) of the ovary is the surface epithelial neoplasm most often confused with primitive germ cell tumors, particularly yolk sac tumor (YST) and dysgerminoma.
  • Recent studies suggest that glypican-3 (GPC3), an oncofetal protein expressed in fetal liver and malignant tumors of hepatocytic lineage, is also expressed in germ cell tumors, particularly YST.
  • To investigate whether GPC3 is useful in distinguishing YST from ovarian CCC, we studied the expression of GPC3 in a large series of ovarian neoplasms and compared it to the expression profiles of CK7 and alpha-fetoprotein.
  • Tissue microarrays containing over 400 benign and malignant ovarian neoplasms, including 34 CCCs were stained with monoclonal GPC3 (clone 1G12, Biomosaics, Burlington, VT).
  • These arrays contained a wide assortment of ovarian surface epithelial neoplasms and sex cord stromal neoplasms, as well as germ cell tumors.
  • All but one YST (97%), including those associated with mixed germ cell tumor were positive for GPC3, whereas all teratomas and embryonal carcinomas were negative.
  • The syncytiotrophoblastic cells in the germ cell tumors and placental villi included in the arrays were also positive for GPC3.
  • GPC3 seems to be a promising diagnostic marker for differentiating YST from ovarian CCC (P < 0.0001).
  • [MeSH-major] Antigens, Neoplasm / analysis. Biomarkers, Tumor / analysis. Carcinoma / chemistry. Endodermal Sinus Tumor / chemistry. Glypicans / analysis. Ovarian Neoplasms / chemistry

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  • (PMID = 18277882.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / GPC3 protein, human; 0 / Glypicans; 0 / KRT7 protein, human; 0 / Keratin-7; 0 / alpha-Fetoproteins; 0 / oncofetal antigens
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15. Tassi RA, Bignotti E, Rossi E, Falchetti M, Donzelli C, Calza S, Ravaggi A, Bandiera E, Pecorelli S, Santin AD: Overexpression of mammaglobin B in epithelial ovarian carcinomas. Gynecol Oncol; 2007 Jun;105(3):578-85
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  • [Title] Overexpression of mammaglobin B in epithelial ovarian carcinomas.
  • OBJECTIVE: Mammaglobin B is a uteroglobin gene family member recently found highly differentially expressed in serous papillary ovarian cancer by gene expression profiling.
  • In order to evaluate its potential as a novel ovarian cancer biomarker, in this study we quantified and compared Mammaglobin B expression in various histologic types of epithelial ovarian carcinomas (EOC).
  • METHODS: Mammaglobin B expression was evaluated by real-time PCR and/or immunohistochemistry in fresh-frozen biopsies and paraffin-embedded tissues derived from a total of 137 patients including 69 primary EOC with different histologies, 28 serous papillary omental metastasis, 8 borderline tumors, 26 benign cystadenomas and 14 normal ovaries.
  • RESULTS: High levels of Mammaglobin B gene expression were detected in 100% (68 out of 68) of the ovarian cancer biopsies tested by real-time PCR.
  • In contrast, normal human ovarian surface epithelium (HOSE) expressed negligible levels of Mammaglobin B mRNA (EOC versus HOSE, p<0.01).
  • Although Mammaglobin B gene expression levels were higher in endometrioid, mucinous and undifferentiated tumors when compared to serous papillary tumors, clear cell tumors and those with mixed histology, these differences were not statistically significant.
  • In agreement with real-time PCR results, EOC were found to express significantly higher levels of Mammaglobin B protein when compared to normal ovaries and benign cystadenomas (p<0.01).
  • CONCLUSIONS: Mammaglobin B gene is highly expressed in EOC and may represent a novel molecular marker for multiple histological types of ovarian cancer.
  • Additional studies to evaluate the clinical utility of Mammaglobin B as a diagnostic and/or therapeutic target in ovarian cancer are warranted.
  • [MeSH-major] Neoplasm Proteins / biosynthesis. Ovarian Neoplasms / immunology. Uteroglobin / biosynthesis
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / biosynthesis. Biomarkers, Tumor / genetics. Cell Line, Tumor. Female. Gene Expression. Humans. Immunohistochemistry. Mammaglobin B. Middle Aged. Myelin Proteins. Polymerase Chain Reaction. Proteolipids. Secretoglobins

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  • (PMID = 17343903.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Mammaglobin B; 0 / Myelin Proteins; 0 / Neoplasm Proteins; 0 / Proteolipids; 0 / SCGB2A1 protein, human; 0 / Secretoglobins; 9060-09-7 / Uteroglobin
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16. Zhen H, Yang S, Wu H, Wang S, Lv J, Ma L, Zhang X: LyGDI is a promising biomarker for ovarian cancer. Int J Gynecol Cancer; 2010 Apr;20(3):316-22
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  • [Title] LyGDI is a promising biomarker for ovarian cancer.
  • The aim of this study was to investigate the usefulness of LyGDI as a biomarker for the detection of ovarian cancer, and its specificity and sensitivity were compared with those of cancer antigen 125 (CA125).
  • METHODS: The serum levels of LyGDI were determined by enzyme-linked immunosorbent assay in 42 patients with ovarian disease, including 30 ovarian cancers and 12 benign ovarian lesions, and 76 healthy controls.
  • The expression of LyGDI was also evaluated by immunohistochemical staining in resected ovarian tissues of these patients.
  • RESULTS: The serum LyGDI level of cancers was significantly greater than those of the benign and healthy groups (P = 0.002 and P < 0.0001, respectively), whereas no difference was observed between the benign and control groups (P = 0.889).
  • Based upon receiver operating characteristic curve analysis, LyGDI levels were able to distinguish ovarian cancer from benign ovarian disease (P = 0.0001) and healthy control (P < 0.0001; areas under the receiver operating characteristic curves, 0.876 and 0.833, respectively).
  • For ovarian cancers, 83.3% (25/30) or 80.0% (24/30) was identified by serum LyGDI (> or = 1.5 ng/mL) alone or by CA125 (>35 U/mL) alone.
  • It is of particular importance to note that all cancer patients were identified by use of both markers, and the specificity was 83.3% for the benign group.
  • Immunohistochemical staining confirmed the expression of LyGDI on cancerous epithelial cells other than benign ovarian epithelium.
  • CONCLUSIONS: These results suggest that LyGDI has significant potential as a marker for detection of ovarian cancer in the patients with ovarian enlargement, including detection of early-stage cancers.
  • [MeSH-major] Biomarkers, Tumor / blood. Guanine Nucleotide Dissociation Inhibitors / blood. Ovarian Neoplasms / diagnosis. Tumor Suppressor Proteins / blood
  • [MeSH-minor] Adenocarcinoma, Clear Cell / blood. Adenocarcinoma, Clear Cell / diagnosis. Adenocarcinoma, Mucinous / blood. Adenocarcinoma, Mucinous / diagnosis. Adult. Aged. Aged, 80 and over. CA-125 Antigen / blood. Case-Control Studies. Cystadenocarcinoma, Serous / blood. Cystadenocarcinoma, Serous / diagnosis. Endometrial Neoplasms / blood. Endometrial Neoplasms / diagnosis. Enzyme-Linked Immunosorbent Assay. Female. Humans. Immunoenzyme Techniques. Middle Aged. Neoplasm Staging. Ovary / metabolism. Prognosis. Sensitivity and Specificity. rho Guanine Nucleotide Dissociation Inhibitor beta. rho-Specific Guanine Nucleotide Dissociation Inhibitors

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  • (PMID = 20375790.001).
  • [ISSN] 1525-1438
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / ARHGDIB protein, human; 0 / Biomarkers, Tumor; 0 / CA-125 Antigen; 0 / Guanine Nucleotide Dissociation Inhibitors; 0 / Tumor Suppressor Proteins; 0 / rho Guanine Nucleotide Dissociation Inhibitor beta; 0 / rho-Specific Guanine Nucleotide Dissociation Inhibitors
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17. Drapkin R, von Horsten HH, Lin Y, Mok SC, Crum CP, Welch WR, Hecht JL: Human epididymis protein 4 (HE4) is a secreted glycoprotein that is overexpressed by serous and endometrioid ovarian carcinomas. Cancer Res; 2005 Mar 15;65(6):2162-9
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  • [Title] Human epididymis protein 4 (HE4) is a secreted glycoprotein that is overexpressed by serous and endometrioid ovarian carcinomas.
  • Among the genes most commonly identified in gene expression profiles of epithelial ovarian carcinomas (EOC) is the gene for human epididymis protein 4 (HE4).
  • To ascertain its clinical utility, we did a comprehensive assessment of HE4 protein expression in benign and malignant ovarian and nonovarian tissues by immunohistochemistry.
  • Its expression in tumors was restricted to certain histologic subtype: 93% of serous and 100% of endometrioid EOCs expressed HE4, whereas only 50% and 0% of clear cell carcinomas and mucinous tumors, respectively, were positive.
  • Using reverse transcription-PCR, we identified ovarian cancer cell lines that endogenously overexpress HE4.
  • [MeSH-major] Biomarkers, Tumor / biosynthesis. Carcinoma, Endometrioid / metabolism. Cystadenocarcinoma, Serous / metabolism. Epididymal Secretory Proteins / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Cell Line, Tumor. Epithelium / metabolism. Female. Humans. Mullerian Ducts / metabolism. RNA, Messenger / biosynthesis. RNA, Messenger / genetics. beta-Defensins

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  • (PMID = 15781627.001).
  • [ISSN] 0008-5472
  • [Journal-full-title] Cancer research
  • [ISO-abbreviation] Cancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / DEFB126 protein, human; 0 / Epididymal Secretory Proteins; 0 / RNA, Messenger; 0 / beta-Defensins
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18. Dwyer RM, Bergert ER, O'Connor MK, Gendler SJ, Morris JC: Sodium iodide symporter-mediated radioiodide imaging and therapy of ovarian tumor xenografts in mice. Gene Ther; 2006 Jan;13(1):60-6
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  • [Title] Sodium iodide symporter-mediated radioiodide imaging and therapy of ovarian tumor xenografts in mice.
  • Ovarian cancer represents the fifth leading cause of cancer death among women in the United States, with >16 000 deaths expected this year.
  • This study was carried out to investigate the potential of sodium iodide symporter (NIS)-mediated radioiodide therapy as a novel approach for ovarian cancer treatment.
  • Radioiodide is routinely and effectively used for the treatment of benign and malignant thyroid disease as a result of native thyroidal expression of NIS, which mediates iodide uptake.
  • In vitro gene transfer studies in ovarian cancer cells revealed a 12- and five-fold increase in iodide uptake when transduced with Ad/CMV/NIS or Ad/MUC1/NIS, respectively.
  • In vivo ovarian tumor xenografts were infected with the adenoviral constructs. (123)I imaging revealed a clear image of the CMV/NIS-transduced tumor, with a less intense image apparent following infection with MUC1/NIS.
  • Therapeutic doses of (131)I following CMV/NIS infection caused a mean 53% reduction in tumor volume (P<0.0001).
  • MUC1/NIS-transduced tumors did not regress, although at 8 weeks following therapy, tumor volume was significantly less that of control animals (166 versus 332%, respectively, P<0.05).
  • This study represents a promising first step investigating the potential for NIS-mediated radioiodide imaging and therapy of ovarian tumors.
  • [MeSH-major] Genetic Therapy / methods. Iodine Radioisotopes. Ovarian Neoplasms / radionuclide imaging. Ovarian Neoplasms / therapy. Symporters / genetics
  • [MeSH-minor] Adenoviridae / genetics. Animals. Blotting, Western / methods. Cell Line, Tumor. Female. Genetic Vectors / administration & dosage. Humans. Immunohistochemistry / methods. Mice. Mucin-1 / genetics. Neoplasm Transplantation. Promoter Regions, Genetic. Transduction, Genetic / methods. Transplantation, Heterologous

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  • (PMID = 16121204.001).
  • [ISSN] 0969-7128
  • [Journal-full-title] Gene therapy
  • [ISO-abbreviation] Gene Ther.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / CA91956
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Iodine Radioisotopes; 0 / Mucin-1; 0 / Symporters; 0 / sodium-iodide symporter
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19. Chase DM, Crade M, Basu T, Saffari B, Berman ML: Preoperative diagnosis of ovarian malignancy: preliminary results of the use of 3-dimensional vascular ultrasound. Int J Gynecol Cancer; 2009 Apr;19(3):354-60
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  • [Title] Preoperative diagnosis of ovarian malignancy: preliminary results of the use of 3-dimensional vascular ultrasound.
  • Each mass was preoperatively judged to be benign or malignant based upon a study of vascularity within an ovarian mass using 3D ultrasound.
  • Masses with orderly vascular architecture were categorized as probably benign, and masses with chaotic vascular patterns were categorized as malignant.
  • Suspicious 3D vascular ultrasound findings predicted malignant neoplasm in 10 patients.
  • There was 1 case of a low-malignant potential tumor without a suspicious ultrasound finding.
  • CONCLUSIONS: In this preliminary and observational study, 3D ultrasound examination of vascular architecture was discriminatory in distinguishing benign ovarian masses from malignancy.
  • [MeSH-major] Adenocarcinoma, Clear Cell / ultrasonography. Carcinoma, Papillary / ultrasonography. Cystadenocarcinoma, Serous / ultrasonography. Endometrial Neoplasms / ultrasonography. Ovarian Neoplasms / ultrasonography

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  • (PMID = 19407559.001).
  • [ISSN] 1525-1438
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
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20. Ye B, Skates S, Mok SC, Horick NK, Rosenberg HF, Vitonis A, Edwards D, Sluss P, Han WK, Berkowitz RS, Cramer DW: Proteomic-based discovery and characterization of glycosylated eosinophil-derived neurotoxin and COOH-terminal osteopontin fragments for ovarian cancer in urine. Clin Cancer Res; 2006 Jan 15;12(2):432-41
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  • [Title] Proteomic-based discovery and characterization of glycosylated eosinophil-derived neurotoxin and COOH-terminal osteopontin fragments for ovarian cancer in urine.
  • PURPOSE: The objective was to identify and characterize low molecular weight proteins/peptides in urine and their posttranslational modifications that might be used as a screening tool for ovarian cancer.
  • EXPERIMENTAL DESIGN: Urine samples collected preoperatively from postmenopausal women with ovarian cancer and benign conditions and from nonsurgical controls were analyzed by surface-enhanced laser desorption/ionization mass spectrometry and two-dimensional gel electrophoresis.
  • Quantitative and semiquantitative ELISAs were developed for preliminary validation in patients of 128 ovarian cancer, 52 benign conditions, 44 other cancers, and 188 healthy controls.
  • RESULTS: A protein (m/z approximately 17,400) with higher peak intensities in cancer patients than in benign conditions and controls was identified and subsequently defined as eosinophil-derived neurotoxin (EDN).
  • A glycosylated form of EDN was specifically elevated in ovarian cancer patients.
  • Modified forms EDN and osteopontin fragments were elevated in early-stage ovarian cancers and a combination of both resulted to 93% specificity and 72% sensitivity.
  • CONCLUSIONS: Specific elevated posttranslationally modified urinary EDN and osteopontin COOH-terminal fragments in ovarian cancer might lead to potential noninvasive screening tests for early diagnosis.
  • [MeSH-major] Biomarkers, Tumor / urine. Eosinophil-Derived Neurotoxin / urine. Neoplasms, Glandular and Epithelial / urine. Ovarian Neoplasms / urine. Sialoglycoproteins / urine
  • [MeSH-minor] Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Clear Cell / surgery. Adenocarcinoma, Clear Cell / urine. Adenocarcinoma, Mucinous / pathology. Adenocarcinoma, Mucinous / surgery. Adenocarcinoma, Mucinous / urine. Amino Acid Sequence. Carcinoma, Endometrioid / pathology. Carcinoma, Endometrioid / surgery. Carcinoma, Endometrioid / urine. Case-Control Studies. Cystadenocarcinoma, Serous / pathology. Cystadenocarcinoma, Serous / surgery. Cystadenocarcinoma, Serous / urine. Electrophoresis, Gel, Two-Dimensional. Enzyme-Linked Immunosorbent Assay. Female. Glycosylation. Humans. Molecular Sequence Data. Neoplasm Invasiveness. Osteopontin. Prognosis. Proteome. Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization

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  • [CommentIn] Clin Cancer Res. 2006 Jan 15;12(2):323-7 [16428467.001]
  • (PMID = 16428483.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / 1P50 CA 105009; United States / NCI NIH HHS / CA / R21 CA 111949-01; United States / NCI NIH HHS / CA / U01 CA 86381
  • [Publication-type] Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Proteome; 0 / SPP1 protein, human; 0 / Sialoglycoproteins; 106441-73-0 / Osteopontin; EC 3.1.- / Eosinophil-Derived Neurotoxin
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21. Litkouhi B, Litkouhi B, Fleming E, Welch WR, Berkowitz RS, Birrer MJ, Mok SC: Overexpression of CEACAM6 in borderline and invasive mucinous ovarian neoplasms. Gynecol Oncol; 2008 May;109(2):234-9
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  • [Title] Overexpression of CEACAM6 in borderline and invasive mucinous ovarian neoplasms.
  • OBJECTIVE: Identifying markers specific for mucinous ovarian neoplasms (MON) is important for cancer diagnosis and surveillance, and will help improve our general understanding of the pathobiology of these tumors.
  • METHODS: Western blot compared CEACAM6 expression in normal human ovarian surface epithelium (HOSE) and ovarian cancer cell lines.
  • Quantitative RT-PCR (qRT-PCR) was performed on 75 laser-microdissected HOSE and ovarian cancer tissue samples.
  • RESULTS: CEACAM6 was expressed in 2 of 3 mucinous cancer cell lines.
  • Expression was absent in all 2 HOSE, 7 serous cancer, and 2 clear cell cancer cell lines.
  • 100-fold CEACAM6 overexpression (qRT-PCR) was demonstrated in 13/16 (81%) borderline, low-grade, and high-grade invasive MON's, compared to 5/50 (10%) serous and 1/5 (20%) benign mucinous samples.
  • CEACAM6 expression was not different between borderline and invasive MON's (p=0.55) or across tumor stage (p=0.76).
  • None of the serous or benign mucinous tumors exhibited CEACAM6 staining.
  • [MeSH-major] Adenocarcinoma, Mucinous / metabolism. Adenocarcinoma, Mucinous / pathology. Antigens, CD / metabolism. Cell Adhesion Molecules / metabolism. Neoplasm Invasiveness. Ovarian Neoplasms / metabolism. Ovarian Neoplasms / pathology
  • [MeSH-minor] Adenocarcinoma / metabolism. Blotting, Western. Cell Line, Tumor. Cystadenocarcinoma, Serous / metabolism. Epithelium / metabolism. Female. GPI-Linked Proteins. Humans. Immunohistochemistry / methods. Ovary / metabolism. Reverse Transcriptase Polymerase Chain Reaction. Staining and Labeling. Up-Regulation

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  • (PMID = 18331757.001).
  • [ISSN] 1095-6859
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Grant] United States / NCI NIH HHS / CA / P50CA165009; United States / NCI NIH HHS / CA / R33CA103595; United States / Intramural NIH HHS / /
  • [Publication-type] Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, N.I.H., Intramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD; 0 / CEACAM6 protein, human; 0 / Cell Adhesion Molecules; 0 / GPI-Linked Proteins
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22. Salemi M, Calogero AE, Vicari E, Migliore E, Zaccarello G, Cosentino A, Amore M, Tricoli D, Castiglione R, Bosco P, Rappazzo G: A high percentage of skin melanoma cells expresses SPANX proteins. Am J Dermatopathol; 2009 Apr;31(2):182-6
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  • The expression of SPANX (sperm protein associated with the nucleus in the X chromosome) gene family has been reported in many tumors, such as melanoma, myeloma, glioblastoma, breast carcinoma, ovarian cancer, testicular germ cell tumors, and hematological malignancies.
  • The expression of SPANX proteins was evaluated by immunohistochemistry in normal skin (n = 12), melanomas (n = 21), and benign nevi (n = 10), using a polyclonal antibody raised in our laboratory.
  • Benign nevi had an intermediate number of cells expressing SPANX proteins (25% +/- 8.5%), which resulted significantly higher than normal skin cells and significantly lower than skin melanoma cells.
  • In melanoma cells, the labeling was mostly nuclear, sometimes incomplete or limited to the perinuclear wall, even if cytoplasmic staining was also seen in SPANX-positive tumor cells.
  • In contrast, the 5 of 10 SPANX-positive nevi had a clear nuclear localization of the signal.

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  • (PMID = 19318807.001).
  • [ISSN] 1533-0311
  • [Journal-full-title] The American Journal of dermatopathology
  • [ISO-abbreviation] Am J Dermatopathol
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies; 0 / Epitopes; 0 / Nuclear Proteins; 0 / SPANXA1 protein, human
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23. Van Holsbeke C, Van Belle V, Leone FP, Guerriero S, Paladini D, Melis GB, Greggi S, Fischerova D, De Jonge E, Neven P, Bourne T, Valentin L, Van Huffel S, Timmerman D: Prospective external validation of the 'ovarian crescent sign' as a single ultrasound parameter to distinguish between benign and malignant adnexal pathology. Ultrasound Obstet Gynecol; 2010 Jul;36(1):81-7
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  • [Title] Prospective external validation of the 'ovarian crescent sign' as a single ultrasound parameter to distinguish between benign and malignant adnexal pathology.
  • OBJECTIVE: To determine the sensitivity and specificity of the 'ovarian crescent sign' (OCS)-a rim of normal ovarian tissue seen adjacent to an ipsilateral adnexal mass-as a sonographic feature to discriminate between benign and malignant adnexal masses.
  • METHODS: The patients included were a subgroup of patients participating in the International Ovarian Tumor Analysis (IOTA) Phase 2 study, which is an international multicenter study.
  • The ability of the OCS to discriminate between borderline or invasively malignant vs. benign adnexal masses, as well as between invasively malignant vs. other (benign and borderline) tumors, was determined and compared with the performance of subjective evaluation of ultrasound findings by the ultrasound examiner.
  • RESULTS: The OCS was evaluated in 1377 adnexal masses from 12 centers, 938 (68%) masses being benign, 86 (6%) borderline, 305 (22%) primary invasive and 48 (3%) metastases.
  • The OCS was present in 398 (42%) of 938 benign masses, in 14 (16%) of 86 borderline tumors, in 18 (6%) of 305 primary invasive tumors (one malignant struma ovarii, one uterine clear cell adenocarcinoma and 16 epithelial carcinomas, i.e. four Stage I and 12 Stage II-IV) and in two (4%) of 48 ovarian metastases.
  • For discrimination between invasive vs. benign or borderline tumors, the sensitivity for absent OCS was 94%, the specificity was 40%, the LR+ was 1.58 and the LR- was 0.14.
  • However it is a poor discriminator between benign and malignant adnexal masses.
  • [MeSH-major] Ovarian Neoplasms / ultrasonography. Ovary / ultrasonography
  • [MeSH-minor] Adnexal Diseases / ultrasonography. Diagnosis, Differential. Female. Humans. Neoplasm Staging. Predictive Value of Tests. Prospective Studies. Sensitivity and Specificity. Ultrasonography, Doppler

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  • [Copyright] Copyright 2010 ISUOG. Published by John Wiley & Sons, Ltd.
  • (PMID = 20217895.001).
  • [ISSN] 1469-0705
  • [Journal-full-title] Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
  • [ISO-abbreviation] Ultrasound Obstet Gynecol
  • [Language] eng
  • [Publication-type] Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't; Validation Studies
  • [Publication-country] England
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24. Ueda M, Toji E, Noda S: Germ line and somatic mutations of BRAF V599E in ovarian carcinoma. Int J Gynecol Cancer; 2007 Jul-Aug;17(4):794-7
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  • [Title] Germ line and somatic mutations of BRAF V599E in ovarian carcinoma.
  • It has been shown that ovarian low-grade serous carcinoma evolves out of a stepwise progression from benign serous cystadenoma to serous borderline tumor (SBT) to micropapillary serous carcinoma (MPSC), and that BRAF activation is a very early somatic event in the tumorigenesis.
  • We postulated that BRAF could be a SBT susceptibility gene, and investigated both germ line and somatic mutations of BRAF V599E in 104 ovarian cancer patients.
  • BRAF V599E mutation in histologic samples was found in 5 (24%) of 21 SBTs, 1 (33%) of 3 MPSCs, 1 (17%) of 6 endometrioid carcinomas, but not detected in 42 conventional serous carcinomas, 12 mucinous borderline tumors, 10 mucinous, and 10 clear-cell carcinomas.
  • We also found no BRAF V599E mutation in 101 normal healthy women and 10 well-established ovarian cancer cell lines.
  • [MeSH-major] Cystadenoma, Serous / genetics. Mutation. Ovarian Neoplasms / genetics. Proto-Oncogene Proteins B-raf / genetics

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  • (PMID = 17309670.001).
  • [ISSN] 1048-891X
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] EC 2.7.11.1 / BRAF protein, human; EC 2.7.11.1 / Proto-Oncogene Proteins B-raf
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25. Kurman RJ, Shih IeM: The origin and pathogenesis of epithelial ovarian cancer: a proposed unifying theory. Am J Surg Pathol; 2010 Mar;34(3):433-43
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  • [Title] The origin and pathogenesis of epithelial ovarian cancer: a proposed unifying theory.
  • Ovarian cancer is the most lethal gynecologic malignancy.
  • Efforts at early detection and new therapeutic approaches to reduce mortality have been largely unsuccessful, because the origin and pathogenesis of epithelial ovarian cancer are poorly understood.
  • This has led to the proposal that ovarian cancer develops de novo.
  • Studies have shown that epithelial ovarian cancer is not a single disease but is composed of a diverse group of tumors that can be classified based on distinctive morphologic and molecular genetic features.
  • One group of tumors, designated type I, is composed of low-grade serous, low-grade endometrioid, clear cell, mucinous and transitional (Brenner) carcinomas.
  • Moreover, the carcinomas exhibit a shared lineage with the corresponding benign cystic neoplasm, often through an intermediate (borderline tumor) step, supporting the morphologic continuum of tumor progression.
  • Recent studies have also provided cogent evidence that what have been traditionally thought to be primary ovarian tumors actually originate in other pelvic organs and involve the ovary secondarily.
  • Thus, it has been proposed that serous tumors arise from the implantation of epithelium (benign or malignant) from the fallopian tube.
  • Endometrioid and clear cell tumors have been associated with endometriosis that is regarded as the precursor of these tumors.
  • As it is generally accepted that endometriosis develops from endometrial tissue by retrograde menstruation, it is reasonable to assume that the endometrium is the source of these ovarian neoplasms.


26. Shibata K, Kajiyama H, Mizokami Y, Ino K, Nomura S, Mizutani S, Terauchi M, Kikkawa F: Placental leucine aminopeptidase (P-LAP) and glucose transporter 4 (GLUT4) expression in benign, borderline, and malignant ovarian epithelia. Gynecol Oncol; 2005 Jul;98(1):11-8
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  • [Title] Placental leucine aminopeptidase (P-LAP) and glucose transporter 4 (GLUT4) expression in benign, borderline, and malignant ovarian epithelia.
  • Glucose is transported into the cell via facilitative glucose transporters, which are known to be members of a supergene family.
  • P-LAP is a cell surface aminopeptidase, and is a synonym for oxytocinase.
  • The authors evaluated P-LAP and GLUT4 expression in benign, borderline, and malignant ovarian epithelia.
  • METHODS: Histologic sections of formalin-fixed, paraffin-embedded specimens from 11 patients with benign serous or mucinous cystadenomas, 14 patients with serous or mucinous borderline tumors, and 80 patients with epithelial-ovarian adenocarcinomas (29 serous, 17 endometrioid, 14 mucinous, and 20 clear cell adenocarcinomas) were stained for P-LAP and GLUT4 using each polyclonal antibody.
  • Expressions of P-LAP and GLUT-4 in ovarian cancer cells were detected by Western blotting.
  • RESULTS: P-LAP immunoreactivity was detected in 2 of 11 benign cystadenomas.
  • None of the 11 benign ovarian tumors showed any immunoreactivity for GLUT4.
  • P-LAP was expressed in 23 of 29 in serous, 15 of 17 endometrioid, 13 of 14 mucinous, and all clear-cell adenocarcinomas.
  • GLUT4 was expressed in 13 of 29 serous, 13 of 17 endometrioid, 13 of 14 mucinous, and 18 of 20 clear-cell adenocarcinomas.
  • CONCLUSIONS: P-LAP and GLUT4 are available not only for the evaluation of ovarian epithelial malignancy, but also as targets for molecular therapy.
  • Further study to investigate the roles of P-LAP and GLUT4 in ovarian carcinoma is needed.
  • [MeSH-major] Cystinyl Aminopeptidase / biosynthesis. Monosaccharide Transport Proteins / biosynthesis. Muscle Proteins / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Cell Growth Processes / physiology. Cell Line, Tumor. Epithelium / enzymology. Epithelium / metabolism. Female. Glucose Transporter Type 4. Humans. Middle Aged. Neoplasm Invasiveness. Ovarian Diseases / enzymology. Ovarian Diseases / metabolism. Ovarian Diseases / pathology. Transfection

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  • (PMID = 15907336.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Glucose Transporter Type 4; 0 / Monosaccharide Transport Proteins; 0 / Muscle Proteins; 0 / SLC2A4 protein, human; EC 3.4.11.3 / Cystinyl Aminopeptidase; EC 3.4.11.3 / leucyl-cystinyl aminopeptidase
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27. Huszar M, Moldenhauer G, Gschwend V, Ben-Arie A, Altevogt P, Fogel M: Expression profile analysis in multiple human tumors identifies L1 (CD171) as a molecular marker for differential diagnosis and targeted therapy. Hum Pathol; 2006 Aug;37(8):1000-8
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  • L1 cell adhesion molecule (CD171) represents a strongly unfavorable prognostic biomarker for ovarian and endometrial carcinomas.
  • Here we carried out an immunohistochemical survey of L1 expression in normal adults and in a broad range of benign and malignant tumors using monoclonal antibody L1-11A and the novel monoclonal antibody L1-14.10.
  • In tumors of the female genital tract, L1 was detected in adenocarcinomas of the cervix and fallopian tubes, in addition to ovarian and endometrial carcinomas.
  • Nongynecological tumors expressing L1 comprised malignant melanoma, colon adenocarcinoma positive to chromogranin, clear-cell adenocarcinoma of the urinary bladder, pheochromocytoma, small cell lung carcinoma, and tumors of the nervous system.
  • L1 was absent in breast carcinoma, gastrointestinal tract carcinomas, gastrointestinal carcinoids, renal clear-cell carcinomas, prostate adenocarcinomas, and mesotheliomas.
  • Surprisingly, L1 expression in established breast and renal carcinoma cell lines was not a predictor for its presence in these human tumors in vivo.
  • [MeSH-major] Antigens, Neoplasm / metabolism. Biomarkers, Tumor / metabolism. Genital Neoplasms, Female / metabolism. Isoantigens / metabolism. Membrane Glycoproteins / metabolism. Receptors, Cell Surface / metabolism
  • [MeSH-minor] Antibodies, Monoclonal / immunology. Cell Line, Tumor. Diagnosis, Differential. Female. Fluorescent Antibody Technique, Direct. GPI-Linked Proteins. Humans. Immunoenzyme Techniques. Male. Neutrophils / metabolism

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  • (PMID = 16867862.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / CD177 protein, human; 0 / GPI-Linked Proteins; 0 / Isoantigens; 0 / Membrane Glycoproteins; 0 / Receptors, Cell Surface
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28. Nezhat F, Datta MS, Hanson V, Pejovic T, Nezhat C, Nezhat C: The relationship of endometriosis and ovarian malignancy: a review. Fertil Steril; 2008 Nov;90(5):1559-70
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  • [Title] The relationship of endometriosis and ovarian malignancy: a review.
  • Studies have confirmed histologic transition from benign endometriosis to ovarian malignancy, including malignant transformation of extraovarian endometriosis.
  • The prevalence of endometriosis in patients with epithelial ovarian cancer, especially in endometrioid and clear cell types, has been confirmed to be higher than in the general population.
  • Ovarian cancers and adjacent endometriotic lesions have shown common genetic alterations, such as PTEN, p53, and bcl gene mutations, suggesting a possible malignant genetic transition spectrum.
  • [MeSH-major] Cell Transformation, Neoplastic. Endometriosis / complications. Ovarian Neoplasms / etiology
  • [MeSH-minor] Female. Gene Expression Regulation, Neoplastic. Genomic Instability. Humans. Incidence. Intercellular Signaling Peptides and Proteins / metabolism. Interleukin-1 / metabolism. Interleukin-8 / metabolism. Mutation. Prevalence. Transforming Growth Factor beta / metabolism. Treatment Outcome. Tumor Necrosis Factor-alpha / metabolism

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  • [CommentIn] Fertil Steril. 2009 May;91(5):e35; author reply e36 [19338996.001]
  • [CommentIn] Fertil Steril. 2009 May;91(5):e37; author reply e36 [19342031.001]
  • (PMID = 18993168.001).
  • [ISSN] 1556-5653
  • [Journal-full-title] Fertility and sterility
  • [ISO-abbreviation] Fertil. Steril.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / IL8 protein, human; 0 / Intercellular Signaling Peptides and Proteins; 0 / Interleukin-1; 0 / Interleukin-8; 0 / Transforming Growth Factor beta; 0 / Tumor Necrosis Factor-alpha
  • [Number-of-references] 105
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29. Ota K, Ito K, Akahira J, Sato N, Onogawa T, Moriya T, Unno M, Abe T, Niikura H, Takano T, Yaegashi N: Expression of organic cation transporter SLC22A16 in human epithelial ovarian cancer: a possible role of the adriamycin importer. Int J Gynecol Pathol; 2007 Jul;26(3):334-40
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  • [Title] Expression of organic cation transporter SLC22A16 in human epithelial ovarian cancer: a possible role of the adriamycin importer.
  • Adriamycin is considered to be an active agent for ovarian cancer.
  • Recently, the benefit of adding adriamycin to the current standard regimen, paclitaxel and platinum, is evaluated to improve the outcome of patients with ovarian cancer.
  • Therefore, we examined the expression of SLC22A16 in ovarian cancers.
  • Twelve ovarian carcinoma cell lines were used for immunoblotting and reverse transcription-polymerase chain reaction to confirm the expression of SLC22A16 mRNA and protein.
  • Five normal ovaries, 12 ovarian adenomas, and 94 ovarian cancer cases were obtained from patients after surgical therapy.
  • The median value of relative SLC22A16 gene expression in cell lines derived from clear-cell adenocarcinoma was significantly higher than that in cell lines from other histologies (P < 0.001).
  • Expression of SLC22A16 protein was also detected in cell lines derived from clear-cell adenocarcinoma.
  • The SLC22A16 immunoreactivity was detected in 15 (16%) of 94 epithelial ovarian cancer, 1 (8.3%) of 12 benign adenomas, but 0 (0%) of 5 normal ovary cases.
  • In ovarian cancer tissues, SLC22A16 immunoreactivity was detected in 2 (5%) of 38 serous adenocarcinoma, 1 (6.7%) of 15 endometrioid adenocarcinoma, 0 (0%) of 14 mucinous adenocarcinoma, and 12 (46.2%) of 26 clear-cell adenocarcinoma (P < 0.0001, clear-cell vs other histologies).
  • In conclusion, SLC22A16 was abundantly expressed in clear-cell adenocarcinoma.
  • Our results suggest that adriamycin-related chemicals that are taken up via SLC22A16 may have the potential to be effective against clear-cell adenocarcinoma.
  • [MeSH-major] Adenocarcinoma, Clear Cell / metabolism. Antibiotics, Antineoplastic / pharmacokinetics. Doxorubicin / pharmacokinetics. Organic Cation Transport Proteins / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Blotting, Western. Cell Line, Tumor. Female. Humans. Immunohistochemistry. RNA, Neoplasm / chemistry. RNA, Neoplasm / genetics. Retrospective Studies. Reverse Transcriptase Polymerase Chain Reaction


30. Lee S, Garner EI, Welch WR, Berkowitz RS, Mok SC: Over-expression of hypoxia-inducible factor 1 alpha in ovarian clear cell carcinoma. Gynecol Oncol; 2007 Aug;106(2):311-7
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  • [Title] Over-expression of hypoxia-inducible factor 1 alpha in ovarian clear cell carcinoma.
  • OBJECTIVE: Unlike other histological types of epithelial ovarian carcinoma, ovarian clear cell carcinoma is known to have very poor response to therapy even when discovered in its early stages.
  • Since tumor hypoxia has been shown to be strongly associated with poor prognosis, deregulation of the representative factor of tissue hypoxia; hypoxia-inducible factor 1 alpha (HIF-1alpha) and related protein; Von Hippel-Lindau (VHL) may be associated with poor prognosis of ovarian clear cell carcinoma.
  • METHODS: Immunolocalization of both HIF-1alpha and VHL was performed on 56 cases of paraffin-embedded tissue sections of four different histological types of epithelial ovarian carcinoma and 5 cases of benign ovarian tumors as a control.
  • Quantitative RT-PCR analysis of both HIF1A and VHL was performed on RNA isolated from 61 microdissected frozen tissues of four different histological types of epithelial ovarian carcinoma and 6 cases of normal ovarian epithelial cells.
  • RESULTS: HIF-1alpha expression levels were significantly higher in ovarian clear cell carcinoma than in other histological types (P=0.001).
  • There was a negative correlation between HIF-1alpha and VHL in serous (r=-0.661, P=0.027) and in endometrioid carcinoma (r=-0.657 P=0.039), but no correlation was found between HIF-1alpha and VHL expression levels in ovarian clear cell carcinoma (P=0.60).
  • CONCLUSIONS: The results suggest that the role of hypoxia may change according to the histological type of ovarian carcinoma.
  • High expression of HIF-1alpha and its independence from VHL in ovarian clear cell carcinoma may confer chemoresistance in this histological type.

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  • (PMID = 17532031.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] ENG
  • [Grant] United States / NCI NIH HHS / CA / R33 CA103595; United States / NCI NIH HHS / CA / R33 CA103595-04; United States / NCI NIH HHS / CA / CA103595-04; United States / NCI NIH HHS / CA / CA105009-030002; United States / NCI NIH HHS / CA / P50 CA105009; United States / NCI NIH HHS / CA / P50 CA105009-030002; United States / PHS HHS / / P50105009; United States / NCI NIH HHS / CA / R01 CA133057; United States / NCI NIH HHS / CA / R33CA103595
  • [Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / HIF1A protein, human; 0 / Hypoxia-Inducible Factor 1, alpha Subunit; 0 / RNA, Messenger; EC 6.3.2.19 / VHL protein, human; EC 6.3.2.19 / Von Hippel-Lindau Tumor Suppressor Protein
  • [Other-IDs] NLM/ NIHMS28316; NLM/ PMC1995602
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31. Osada R, Horiuchi A, Kikuchi N, Yoshida J, Hayashi A, Ota M, Katsuyama Y, Melillo G, Konishi I: Expression of hypoxia-inducible factor 1alpha, hypoxia-inducible factor 2alpha, and von Hippel-Lindau protein in epithelial ovarian neoplasms and allelic loss of von Hippel-Lindau gene: nuclear expression of hypoxia-inducible factor 1alpha is an independent prognostic factor in ovarian carcinoma. Hum Pathol; 2007 Sep;38(9):1310-20
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  • [Title] Expression of hypoxia-inducible factor 1alpha, hypoxia-inducible factor 2alpha, and von Hippel-Lindau protein in epithelial ovarian neoplasms and allelic loss of von Hippel-Lindau gene: nuclear expression of hypoxia-inducible factor 1alpha is an independent prognostic factor in ovarian carcinoma.
  • The hypoxia-inducible factor (HIF) is a transcriptional factor with important roles in tumor biology.
  • To clarify the possible involvement of the HIF-alpha subunit and von Hippel-Lindau (VHL) protein in the development and progression of ovarian carcinoma, we analyzed the immunohistochemical expressions of HIF-1alpha, HIF-2alpha, and VHL in 107 cases of epithelial ovarian tumors.
  • The frequency of the cytoplasmic expression of HIF-2alpha in carcinomas was higher than that in benign and borderline tumors (P < .0001).
  • Although LOH at the VHL gene locus was frequent in ovarian carcinomas (24%), there is no significant correlation between LOH and loss of VHL expression.
  • In 22 clear cell carcinomas, VHL expression showed a significantly negative correlation with the nuclear expression of HIF-1alpha (rho = -0.529, P = .0153).
  • The log-rank test showed that nuclear positive immunostaining for HIF-1alpha (P = .002) and cytoplasmic positive immunostaining for HIF-2alpha (P = .0112) in tumor cells are associated with poor prognosis of patients with ovarian carcinoma.
  • These results show that the HIF-alpha subunit represents an important biomarker in the evaluation of the prognosis of patients with ovarian carcinoma.
  • [MeSH-major] Basic Helix-Loop-Helix Transcription Factors / analysis. Biomarkers, Tumor / analysis. Carcinoma / chemistry. Carcinoma / pathology. Hypoxia-Inducible Factor 1, alpha Subunit / analysis. Ovarian Neoplasms / chemistry. Ovarian Neoplasms / pathology. Von Hippel-Lindau Tumor Suppressor Protein / analysis. Von Hippel-Lindau Tumor Suppressor Protein / genetics
  • [MeSH-minor] Adenocarcinoma, Clear Cell / chemistry. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Mucinous / chemistry. Adenocarcinoma, Mucinous / pathology. Carcinoma, Endometrioid / chemistry. Carcinoma, Endometrioid / pathology. Cell Nucleus / chemistry. Cystadenocarcinoma, Serous / chemistry. Cystadenocarcinoma, Serous / pathology. Cytoplasm / chemistry. Female. Follow-Up Studies. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. Loss of Heterozygosity. Predictive Value of Tests. Prognosis. Retrospective Studies. Vascular Endothelial Growth Factor A / analysis

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  • [ErratumIn] Hum Pathol. 2008 Jan;39(1):147. Mellilo, Giovanni [corrected to Melillo, Giovanni]
  • (PMID = 17555795.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Basic Helix-Loop-Helix Transcription Factors; 0 / Biomarkers, Tumor; 0 / Hypoxia-Inducible Factor 1, alpha Subunit; 0 / Vascular Endothelial Growth Factor A; 0 / endothelial PAS domain-containing protein 1; EC 6.3.2.19 / Von Hippel-Lindau Tumor Suppressor Protein
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32. Guida M, Mandato VD, Di Spiezio Sardo A, Di Carlo C, Giordano E, Nappi C: Coexistence of Graves' disease and benign struma ovarii in a patient with marked ascites and elevated CA-125 levels. J Endocrinol Invest; 2005 Oct;28(9):827-30
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  • [Title] Coexistence of Graves' disease and benign struma ovarii in a patient with marked ascites and elevated CA-125 levels.
  • BACKGROUND: Struma ovarii is the most common monodermal ovarian teratoma and consists mainly of thyroid tissue.
  • Only 5% of patients with this tumor have features of hyperthyroidism.
  • The pathophysiology of hyperthyroidism in struma ovarii is not clear.
  • CASE: We describe a case of benign struma ovarii, presenting with the clinical features of an ovarian cancer: large complex pelvic mass, large amount of ascites and markedly elevated CA-125 serum levels.
  • [MeSH-major] CA-125 Antigen / blood. Graves Disease / etiology. Graves Disease / therapy. Ovarian Neoplasms / etiology. Ovarian Neoplasms / surgery. Struma Ovarii / etiology. Struma Ovarii / surgery

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  • [Journal-full-title] Journal of endocrinological investigation
  • [ISO-abbreviation] J. Endocrinol. Invest.
  • [Language] eng
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33. Yamamoto S, Tsuda H, Miyai K, Takano M, Tamai S, Matsubara O: Aberrant expression of p27(Kip1)-interacting cell-cycle regulatory proteins in ovarian clear cell carcinomas and their precursors with special consideration of two distinct multistage clear cell carcinogenetic pathways. Virchows Arch; 2009 Nov;455(5):413-22
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  • [Title] Aberrant expression of p27(Kip1)-interacting cell-cycle regulatory proteins in ovarian clear cell carcinomas and their precursors with special consideration of two distinct multistage clear cell carcinogenetic pathways.
  • We have previously reported that alterations of p27(Kip1)-interacting cell-cycle proteins frequently occur during the development of endometriosis-associated ovarian clear cell adenocarcinoma (CCA; Yamamoto et al., Histopathology in press, 20).
  • However, CCA also occurs in association with clear cell adenofibroma (CCAF).
  • In this study, the expressions of p27(Kip1)-interacting proteins, i.e., p27(Kip1), Skp2, Cks1, cyclin A, cyclin E, and the Ki-67 labeling index (LI), were analyzed in 25 CCAFs (11 benign and 14 borderline) and 15 CCAF-associated CCAs, and compared with the expression status of each protein in the 23 previously studied endometriosis-associated CCAs.
  • Although aberrant expression of all p27(Kip1)-interacting proteins was more frequent in the CCAF-associated CCAs than in the benign CCAFs, statistical significance was found only for Cks1 overexpression.
  • Mean Ki-67 LI increased significantly through benign (4.9%) to borderline (11.1%) CCAF and to CCAF-associated CCA (30.6%), but the latter two values were significantly lower than those in atypical endometriosis (21.4%) and endometriosis-associated CCA (46.9%; P < 0.05, respectively).
  • These data suggest that accumulated alterations of p27(Kip1)-interacting proteins may accelerate the development of CCAs regardless of their carcinogenetic pathways, but that tumor cells in the CCAF-associated pathway appear to show slower cell-cycle progression than those in the endometriosis-associated pathway, possibly accounting for the distinct clinicopathological features of the two CCA subtypes.
  • [MeSH-major] Adenocarcinoma, Clear Cell / metabolism. Cell Cycle Proteins / metabolism. Cell Transformation, Neoplastic / genetics. Intracellular Signaling Peptides and Proteins / metabolism. Ovarian Neoplasms / metabolism. Precancerous Conditions / metabolism

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  • (PMID = 19855998.001).
  • [ISSN] 1432-2307
  • [Journal-full-title] Virchows Archiv : an international journal of pathology
  • [ISO-abbreviation] Virchows Arch.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Germany
  • [Chemical-registry-number] 0 / CDKN1B protein, human; 0 / Cell Cycle Proteins; 0 / Intracellular Signaling Peptides and Proteins; 147604-94-2 / Cyclin-Dependent Kinase Inhibitor p27
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34. Okamoto S, Ito K, Sasano H, Moriya T, Niikura H, Terada Y, Sato S, Okamura K, Yaegashi N: Ber-EP4 and anti-calretinin antibodies: a useful combination for differential diagnosis of various histological types of ovarian cancer cells and mesothelial cells. Tohoku J Exp Med; 2005 May;206(1):31-40
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  • [Title] Ber-EP4 and anti-calretinin antibodies: a useful combination for differential diagnosis of various histological types of ovarian cancer cells and mesothelial cells.
  • The differential diagnosis between reactive mesothelial cells and ovarian carcinoma cells is often difficult in cytologic specimens.
  • Furthermore, previous studies examined only serous type but not other histological types of ovarian carcinoma cases.
  • Various types of ovarian carcinoma (serous, n = 22; mucinous, n = 10; endometrioid, n = 7; clear cell, n = 10) and benign mesothelial tissues (n = 15) were studied by immunohistochemistry.
  • In the tissue specimens, Ber-EP4, a monoclonal antibody of epithelial antigen, and a polyclonal antibody against calretinin, which is expressed in mesothelium, are used in differentiating reactive mesothelial cells from ovarian carcinoma.
  • In conclusion, the combined immunostaining of cytologic specimens for Ber-EP4 and the anti-calretinin antibody is helpful for the differential diagnosis between mesothelial cells and not only serous type, but also mucinous, endometrioid and clear cell types of ovarian cancer cells.
  • [MeSH-major] Antibodies. Biomarkers, Tumor / immunology. Epithelium / immunology. Ovarian Neoplasms / diagnosis. S100 Calcium Binding Protein G / immunology

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  • (PMID = 15802873.001).
  • [ISSN] 0040-8727
  • [Journal-full-title] The Tohoku journal of experimental medicine
  • [ISO-abbreviation] Tohoku J. Exp. Med.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Antibodies; 0 / Biomarkers, Tumor; 0 / CALB2 protein, human; 0 / Calbindin 2; 0 / S100 Calcium Binding Protein G; 0 / human epithelial antigen-125
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35. Yamamoto S, Tsuda H, Takano M, Hase K, Tamai S, Matsubara O: Clear-cell adenofibroma can be a clonal precursor for clear-cell adenocarcinoma of the ovary: a possible alternative ovarian clear-cell carcinogenic pathway. J Pathol; 2008 Sep;216(1):103-10
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  • [Title] Clear-cell adenofibroma can be a clonal precursor for clear-cell adenocarcinoma of the ovary: a possible alternative ovarian clear-cell carcinogenic pathway.
  • Several studies have reported that ovarian clear-cell adenocarcinoma can be derived from endometriosis.
  • Although the clear-cell adenofibroma (CCAF), a major form of benign and borderline ovarian clear-cell tumour, has been suggested as another precursor for clear-cell adenocarcinoma (CCA), there is no supportive genetic evidence for this presumption.
  • To examine the genetic linkage between CCAF and CCA of the ovary, we conducted allelotype analysis for both CCAF and adjacent CCA components in 14 cases of CCA associated with benign CCAF and/or borderline CCAF.
  • For all informative loci, the frequency of LOH in adenocarcinoma was 49% (54/110 loci), and was significantly higher than those in the components of benign CCAF (22%, 20/92 loci) and borderline CCAF (30%, 25/83 loci) (chi(2) test; p<0.05, respectively).
  • The concordance rate in allelic patterns at all informative loci was 74% between benign CCAF and adenocarcinoma components, 81% between borderline CCAF and adenocarcinoma components, and 95% between benign CCAF and borderline CCAF components.
  • These findings suggest that CCAF can be a clonal precursor for ovarian clear-cell adenocarcinoma.
  • [MeSH-major] Adenocarcinoma, Clear Cell / genetics. Adenofibroma / genetics. Biomarkers, Tumor / analysis. Ovarian Neoplasms / genetics

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  • (PMID = 18600856.001).
  • [ISSN] 0022-3417
  • [Journal-full-title] The Journal of pathology
  • [ISO-abbreviation] J. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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36. Suzuki N, Yoshioka N, Ohara T, Yokomichi N, Nako T, Yahagi N, Igarashi S, Kobayashi Y, Yoshimatsu M, Takizawa K, Nakajima Y, Kiguchi K, Ishizuka B: Risk factors for perioperative venous thromboembolism: A retrospective study in Japanese women with gynecologic diseases. Thromb J; 2010;8:17
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  • Thirty-two patients had cancer and seven patients had benign diseases.
  • Multivariate analysis indicated that ovarian cancer, tumor diameter ≥10 cm, and previous of VTE were independent risk factors for preoperative VTE.
  • Among ovarian cancer patients, multivariate analysis showed that an age ≥50 years, the presence of heart disease, clear cell adenocarcinoma, and tumor diameter ≥20 cm were independent risk factors for preoperative VTE.
  • The factors significantly related to preoperative VTE in patients with benign disease included previous VTE, age ≥55 years, tumor diameter ≥20 cm, and a history of allergic-immunologic disease.

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  • (PMID = 21054901.001).
  • [ISSN] 1477-9560
  • [Journal-full-title] Thrombosis journal
  • [ISO-abbreviation] Thromb J
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] England
  • [Other-IDs] NLM/ PMC2989308
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37. Rosen DG, Yang G, Bast RC Jr, Liu J: Use of Ras-transformed human ovarian surface epithelial cells as a model for studying ovarian cancer. Methods Enzymol; 2006;407:660-76
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  • [Title] Use of Ras-transformed human ovarian surface epithelial cells as a model for studying ovarian cancer.
  • Mutations in K-ras or its downstream mediator BRAF have been detected in about two thirds of low-grade serous carcinomas and borderline serous tumors; mutations in K-ras are also often present in benign and invasive mucinous ovarian cancers.
  • Although the oncogenic allele H-ras(V12) is present in only approximately 6% of ovarian cancers, physiologically activated H-ras protein is commonly detected in human ovarian cancer, presumably because of an increase in upstream signals from tyrosine kinase growth factor receptors such as Her-2/neu, despite the lack of a Ras mutation.
  • The mechanisms by which ras oncogenes transform human epithelial cells are not clear.
  • The methods described here are what we use to culture human ovarian surface epithelial cells, to immortalize those cells, and to transform the immortalized cells with oncogenic H-ras or K-ras.
  • These Ras-transformed human ovarian surface epithelial cells form tumors in nude mice and recapitulate many features of human ovarian cancer, thus providing an excellent model system for studying the initiation and progression of human ovarian cancer.
  • [MeSH-major] Cell Transformation, Neoplastic. Oncogene Protein p21(ras) / pharmacology. Ovarian Neoplasms / physiopathology. Ovary / cytology
  • [MeSH-minor] Animals. Antigens, Viral, Tumor / pharmacology. Cells, Cultured. Epithelial Cells / drug effects. Female. Humans. Immunohistochemistry. Mice. Mice, Nude. Simian virus 40 / immunology. Telomerase / pharmacology. Transfection


38. Ye L, Wu XL, Xu L, Huang Q, Sun L, He Y, Yang KX: [Ovarian steroid cell tumor, not otherwise specified: a clinicopathologic study]. Zhonghua Bing Li Xue Za Zhi; 2007 Aug;36(8):516-20
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  • [Title] [Ovarian steroid cell tumor, not otherwise specified: a clinicopathologic study].
  • OBJECTIVE: To study the clinicopathologic features, diagnostic criteria, differential diagnosis and treatment options of ovarian steroid cell tumor, not otherwise specified (NOS).
  • METHODS: Light microscopy and immunohistochemical study was carried out in 8 cases of ovarian steroid cell tumor, NOS.
  • RESULTS: The 7 cases of benign ovarian steroid cell tumor, NOS were composed mainly of polygonal cells with granular eosinophilic cytoplasm and larger cells with vacuolated cytoplasm.
  • They resembled the architecture of normal adrenal gland, with formation of cell nests and trabeculae.
  • The single case of malignant ovarian steroid cell tumor had evidence of significant cellular pleomorphism, haemorrhage and coagulative tumor necrosis.
  • Immunohistochemical study showed that the tumor cells expressed calretinin and alpha-inhibin.
  • Differential diagnosis included oxyphilic granulosa cell tumor, thecoma, Sertoli cell tumor and clear cell carcinoma.
  • The treatment options of benign ovarian steroid cell tumor, NOS was local excision or ipsilateral salpingo-oophorectomy, while the malignant counterpart should be treated with a combination of surgery and chemotherapy, including administration of GnRH agonist.
  • CONCLUSIONS: Ovarian steroid cell tumor, NOS, is the most common type of ovarian steroid cell tumors.
  • Most of which are associated with a benign clinical outcome.
  • The treatment options of ovarian steroid cell tumor, NOS depend on its malignant potential.
  • [MeSH-major] Inhibins / metabolism. Ovarian Neoplasms / pathology. Ovary / pathology. S100 Calcium Binding Protein G / metabolism. Sex Cord-Gonadal Stromal Tumors / pathology
  • [MeSH-minor] Adolescent. Adult. Calbindin 2. Diagnosis, Differential. Female. Granulosa Cell Tumor / pathology. Humans. Ovariectomy / methods. Sertoli Cell Tumor / pathology. Thecoma / pathology. Young Adult

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  • (PMID = 17980097.001).
  • [ISSN] 0529-5807
  • [Journal-full-title] Zhonghua bing li xue za zhi = Chinese journal of pathology
  • [ISO-abbreviation] Zhonghua Bing Li Xue Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Review
  • [Publication-country] China
  • [Chemical-registry-number] 0 / CALB2 protein, human; 0 / Calbindin 2; 0 / S100 Calcium Binding Protein G; 0 / inhibin-alpha subunit; 57285-09-3 / Inhibins
  • [Number-of-references] 27
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39. Kauppila S, Altinörs M, Väre P, Liakka A, Knuuti E, Nissi R: Primary sex cord-like variant of endometrioid adenocarcinoma arising from endometriosis. APMIS; 2008 Sep;116(9):842-5
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  • Although endometriosis is a benign disease, some malignant tumors have been reported to develop in endometriotic lesions, most commonly in the ovary.
  • The relationship between endometriosis and malignancy is not well known, but the majority of endometriosis-associated ovarian malignancies are usually endometrioid adenocarcinomas and clear cell carcinomas.
  • The sex cord-like variant of endometrioid adenocarcinoma is a rare tumor that histologically closely resembles the sex cord-stromal tumor.
  • Despite its rarity, the correct histological diagnosis of the sex cord-like variant of endometrioid adenocarcinoma is crucial to avoid misdiagnosis of a less aggressive tumor.
  • The tumor was diagnosed based on light microscopy and immunohistochemistry.

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  • (PMID = 19024607.001).
  • [ISSN] 0903-4641
  • [Journal-full-title] APMIS : acta pathologica, microbiologica, et immunologica Scandinavica
  • [ISO-abbreviation] APMIS
  • [Language] eng
  • [Publication-type] Case Reports; Journal Article
  • [Publication-country] Denmark
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40. Murta EF, Nomelini RS, Ferreira FA, Lima MA: Ovarian clear cell carcinoma associated with endometriosis: a case report with immunohistochemical study. Eur J Gynaecol Oncol; 2007;28(5):403-5
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  • [Title] Ovarian clear cell carcinoma associated with endometriosis: a case report with immunohistochemical study.
  • Endometriosis is a frequent benign gynecological disease; nonetheless, it can demonstrate some aspects that resemble malignant disease.
  • A rare case of transition between typical endometriosis and clear cell carcinoma with immunohistochemical study is presented.
  • Six months later she developed a left cystic ovarian tumor (58 cm3) that persisted after two ultrasounds in a four-month period.
  • Tumor markers were normal (CA125, CA 15.3, CA 19.9, alpha-fetoprotein, carcinoembrionary antigen A1).
  • The left ovarian mass was removed by laparotomy and endometriosis in continuity with carcinoma positive for cytokeratin 7 and estrogen receptor was revealed.
  • Clear cell carcinoma grade 3 was diagnosed.
  • In conclusion, although a rare event, the association of typical endometriosis and clear cell carcinoma of the ovary should be kept in mind, mainly in patients with a persistent ovarian cyst.
  • [MeSH-major] Adenocarcinoma, Clear Cell / complications. Endometriosis / complications. Ovarian Neoplasms / complications
  • [MeSH-minor] Adult. Biomarkers, Tumor / analysis. Female. Humans. Immunohistochemistry. Ovarian Cysts / complications


41. Zhao Q, Duan W, Wu YM, Qian XH, Deng XH: [Analysis of serum biomarkers of ovarian epithelial cancers based on 2-DE DIGE and MALDI TOF/TOF]. Zhonghua Zhong Liu Za Zhi; 2008 Oct;30(10):754-8
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  • [Title] [Analysis of serum biomarkers of ovarian epithelial cancers based on 2-DE DIGE and MALDI TOF/TOF].
  • OBJECTIVE: To find new serum tumor markers for ovarian epithelial cancers by 2-DE DIGE and MALDI-TOF/TOF proteomic methods, in order to improve the diagnostic sensitivity and specificity.
  • METHODS: Serum samples from 103 cases of ovarian epithelial cancers, 60 cases of healthy women, 63 cases of benign ovarian tumors and 63 cases of benign pelvic diseases were collected.
  • Sera of 20 cases of ovarian epithelial cancers (A), 20 cases of ovarian benign tumors (B), 20 cases of pelvic benign diseases (C) and 20 cases of health control (D) were matched by age and pooled, respectively.
  • 2) Western blot and ELISA proved that there were significant differences in Hp and Tf between ovarian epithelial cancers and normal controls (P = 0.000), between ovarian epithelial cancers and ovarian benign tumors (P = 0.000), between ovarian epithelial cancers and benign pelvic disease sera (P = 0.000).
  • 3) CA125 + Hp + Tf combined detection of ovarian cancer had higher sensitivity and specificity than CA125, Hp or Tf detection alone.
  • CONCLUSION: Hp and Tf are differently expressed in the sera of patients with ovarian epitheliual cancers.
  • They can be used as serum biomarkers for ovarian epithelial cancers.
  • CA125 + Hp + Tf combined detection may improve the sensitivity and specificity of diagnosis of ovarian epithelial cancers.
  • [MeSH-major] Cystadenocarcinoma, Serous / blood. Haptoglobins / analysis. Ovarian Neoplasms / blood. Proteins / analysis. Transferrin / analysis
  • [MeSH-minor] Adenocarcinoma, Clear Cell / blood. Biomarkers, Tumor / blood. Cystadenocarcinoma, Mucinous / blood. Electrophoresis, Gel, Two-Dimensional. Endometriosis / blood. Female. Humans. Pelvic Inflammatory Disease / blood. Proteomics. Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization. Teratoma / blood

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  • (PMID = 19173805.001).
  • [ISSN] 0253-3766
  • [Journal-full-title] Zhonghua zhong liu za zhi [Chinese journal of oncology]
  • [ISO-abbreviation] Zhonghua Zhong Liu Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Haptoglobins; 0 / NBR1 protein, human; 0 / Proteins; 0 / Transferrin
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42. Ho CM, Lai HC, Huang SH, Chien TY, Lin MC, Chang SF: Promoter methylation of sFRP5 in patients with ovarian clear cell adenocarcinoma. Eur J Clin Invest; 2010 Apr;40(4):310-8
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  • [Title] Promoter methylation of sFRP5 in patients with ovarian clear cell adenocarcinoma.
  • BACKGROUND: Specific tumour suppressor genes with promoter methylation in ovarian clear cell adenocarcinoma (OCCA) can be one important epigenetic mark distinguishing OCCA from ovarian serous adenocarcinoma (OSA), benign endometriotic cysts and normal ovarian epitheliums.
  • MATERIALS AND METHODS: Five OCCA cell lines, 63 cancer tissues (48 OCCA and 15 OSA), 10 benign endometriotic cysts and five normal ovarian epitheliums were analysed by methylation-specific PCR using pooled DNAs to determine the methylation status of the promoter of the target genes, including genes for secreted frizzled-related proteins (sFRP1 to 5), adenomatous polyposis coli (APC), retinoblastoma protein 1 (Rb1), breast cancer 1 gene (BRCA1), p14(ARF), p15(INK4b), p16(INK4a) and survivin.
  • RESULTS: The sFRP5 promoter was significantly methylated in all OCCA cell lines, with 64.6% in OCCA tissues compared with 13.3% in OSA, and 0% in benign endometriotic cysts and normal ovarian epitheliums (P < 0.0001).
  • [MeSH-major] Adenocarcinoma, Clear Cell / pathology. DNA Methylation. Eye Proteins. Membrane Proteins. Ovarian Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor. Female. Gene Expression. Humans. Middle Aged. Polymerase Chain Reaction. Promoter Regions, Genetic. Risk Factors. Survival Rate


43. Poli Neto OB, Candido Dos Reis FJ, Zambelli Ramalho LN, Nogueira AA, de Andrade JM: p63 expression in epithelial ovarian tumors. Int J Gynecol Cancer; 2006 Jan-Feb;16(1):152-5
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  • [Title] p63 expression in epithelial ovarian tumors.
  • Ovarian cancer is a highly lethal disease and its underlying biology is poorly understood.
  • The p63 is a homologue gene of the tumor suppressor p53. p63 appears to be important for the development and differentiation of reproductive epithelium and interacts with p53 in human tumorigenesis.
  • This study presents the immunoexpression of the p63 in benign and malignant epithelial ovarian tumors.
  • We evaluated the p63 immunoexpression in 91 ovarian benign cystadenomas (29 mucinous and 62 serous) and in 29 ovarian malignant tumors (3 mucinous borderline, 3 serous borderline, 17 serous carcinomas, 2 endometrioid, 2 undifferentiated, 1 mucinous, and 1 clear-cell carcinoma) using a monoclonal antibody clone 4A4 (1:200), which recognizes all p63 variants.
  • We observed 85.7% of positivity in benign tumors, 50% in borderline tumors, and 8.7% in invasive ovarian cancer (P < .0001).
  • The benign serous cystadenomas were positive in 91.9% of cases and benign mucinous cystadenomas in 72.4% (P= .02).
  • These data suggests an important role of p63 in the control of ovarian epithelium behavior.
  • The p63 may be involved in the development of benign and malignant epithelial ovarian tumors.
  • [MeSH-major] Carcinoma / genetics. Carcinoma / pathology. Cystadenoma / pathology. Ovarian Neoplasms / genetics. Ovarian Neoplasms / pathology. Phosphoproteins / metabolism. Trans-Activators / metabolism
  • [MeSH-minor] Adult. Age Factors. Biomarkers, Tumor / analysis. Biopsy, Needle. Cohort Studies. DNA-Binding Proteins. Female. Gene Expression Regulation, Neoplastic. Genes, Tumor Suppressor. Humans. Immunohistochemistry. Middle Aged. Neoplasm Staging. Probability. Prognosis. Risk Assessment. Sensitivity and Specificity. Tissue Culture Techniques. Transcription Factors. Tumor Suppressor Proteins

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  • (PMID = 16445626.001).
  • [ISSN] 1048-891X
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / DNA-Binding Proteins; 0 / Phosphoproteins; 0 / TP63 protein, human; 0 / Trans-Activators; 0 / Transcription Factors; 0 / Tumor Suppressor Proteins
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44. Dimova I, Zaharieva B, Raitcheva S, Dimitrov R, Doganov N, Toncheva D: Tissue microarray analysis of EGFR and erbB2 copy number changes in ovarian tumors. Int J Gynecol Cancer; 2006 Jan-Feb;16(1):145-51
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  • [Title] Tissue microarray analysis of EGFR and erbB2 copy number changes in ovarian tumors.
  • The objective of this study was to assess the implication of copy number changes of epidermal growth factor receptor (EGFR) and erbB2 genes in the etiology and progression of ovarian tumors.
  • In our study, we used the highly reliable method of fluorescent in situ hybridization, applied on tissue microarray, containing 1006 ovarian tumors from different malignancy, histologic type and grade, and tumor stage, in order to analyze the correlations between gene copy number changes and tumor phenotype.
  • We established copy number changes of erbB2 in 15.30% of malignant ovarian tumors-8.16% amplifications and 7.14% gains.
  • EGFR gains occurred with approximately the same frequency in malignant (7.02%), low malignant potential (8.33%), and benign (7.19%) ovarian tumors.
  • ErbB2 amplification was associated with clear cell type of ovarian cancer (P < 0.04).
  • No amplification of EGFR and erbB2 genes was established in tumors with low malignant potency and in benign tumors.
  • Regarding cancer phenotype, there was no statistically significant association between erbB2 copy number changes and histologic grade as well as tumor stage of ovarian cancer.
  • EGFR gains are early events in ovarian tumorigenesis.
  • [MeSH-major] Ovarian Neoplasms / genetics. Ovarian Neoplasms / pathology. Receptor, Epidermal Growth Factor / metabolism. Receptor, ErbB-2 / metabolism. Tissue Array Analysis
  • [MeSH-minor] Adult. Aged. Biomarkers, Tumor / analysis. Female. Gene Expression Regulation, Neoplastic. Humans. In Situ Hybridization. Middle Aged. Neoplasm Staging. Ovariectomy. Probability. Risk Assessment. Sampling Studies. Sensitivity and Specificity. Tissue Culture Techniques

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  • (PMID = 16445625.001).
  • [ISSN] 1048-891X
  • [Journal-full-title] International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
  • [ISO-abbreviation] Int. J. Gynecol. Cancer
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 2.7.10.1 / Receptor, Epidermal Growth Factor; EC 2.7.10.1 / Receptor, ErbB-2
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45. Viganó P, Somigliana E, Chiodo I, Abbiati A, Vercellini P: Molecular mechanisms and biological plausibility underlying the malignant transformation of endometriosis: a critical analysis. Hum Reprod Update; 2006 Jan-Feb;12(1):77-89
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  • Although population-based studies have unequivocally reported an increased risk of ovarian cancer in women with endometriosis, the biological evidence supporting the idea of endometriosis as a preneoplastic condition is scanty and not well substantiated.
  • According to some allelotyping studies, from one-third to one-half of endometriosis lesions would harbour somatic genetic changes in chromosomal regions supposed to contain genes involved in ovarian tumourigenesis, especially for the endometrioid histotype.
  • These findings would be consistent with the progression model for carcinogenesis from the benign precursor to ovarian cancer but they could not be unequivocally replicated.
  • A single group has found missense mutations and deletions of PTEN gene in about 20% of ovarian endometriotic cysts.
  • Moreover, in a model of genetically engineered mice harbouring an oncogenic allele of K-ras resulting in benign lesions reminiscent of endometriosis, a conditional deletion of PTEN caused the progression towards the endometrioid tumour.
  • Based on these data, the causal link between endometriosis and ovarian endometrioid/clear cell carcinomas remains to be defined both in terms of entity of association and of underlying molecular mechanisms.
  • [MeSH-major] Endometriosis / genetics. Endometriosis / pathology. Ovarian Neoplasms / etiology
  • [MeSH-minor] Animals. Chromosome Aberrations. Cytogenetic Analysis. Female. Genes, Tumor Suppressor. Humans. In Situ Hybridization, Fluorescence. Loss of Heterozygosity. Mice. Mutation. Oncogenes / genetics. PTEN Phosphohydrolase / genetics. Tumor Suppressor Protein p53 / genetics

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  • (PMID = 16172112.001).
  • [ISSN] 1355-4786
  • [Journal-full-title] Human reproduction update
  • [ISO-abbreviation] Hum. Reprod. Update
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Tumor Suppressor Protein p53; EC 3.1.3.48 / PTEN protein, human; EC 3.1.3.67 / PTEN Phosphohydrolase
  • [Number-of-references] 112
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46. Hua K, Feng W, Cao Q, Zhou X, Lu X, Feng Y: Estrogen and progestin regulate metastasis through the PI3K/AKT pathway in human ovarian cancer. Int J Oncol; 2008 Nov;33(5):959-67
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  • [Title] Estrogen and progestin regulate metastasis through the PI3K/AKT pathway in human ovarian cancer.
  • Estrogen and progestin are involved in ovarian carcinogenesis.
  • Change in nm23-H1 expression and the PIK3/AKT pathway are involved in carcinogenesis, development, invasion and metastasis of ovarian cancers.
  • Therefore, it is critical to understand the signaling pathways that regulate hormone-induced cell migration and invasion in ovarian cancer.
  • We investigated nm23-H1, AKT and pAKT expression by using immunohistochemical staining in ovarian clear cell adenocarcinoma, ovarian benign, borderline and malignant serous tumors and analyzed their relationship with prognostic factors.
  • Using ES-2 and SKOV-3 ovarian cancer cell lines, we studied the modulation of estrogen and progestin on cell migration and invasion as well as their effect on AKT, pAKT and nm23-H1 expression.
  • Furthermore, the signaling pathways were examined using pharmacological inhibitors (LY294002 and PD98059) or AKT siRNA combined with estrogen or progestin in the two cell lines.
  • Weak nm23-H1 and high AKT and pAKT expression was observed in ovarian serous adeno-carcinoma and ovarian clear cell adenocarcinoma.
  • Our data demonstrated that the expression of nm23-H1 was negatively correlated with tumor stage and grade and lymph node metastasis, whereas the expression of AKT/pAKT was positively correlated with these clinic factors.
  • Estrogen up-regulated pAKT expression and reduced nm23-H1 expression, which ultimately resulted in increased cell migration and invasion.
  • In contrast, progestin reduced pAKT expression and increased nm23-H1 expression, which inhibited cell migration.
  • Our data suggest that AKT and pAKT are unfavorable prognostic factors for ovarian serous adenocarcinoma and clear cell carcinomas whereas nm23-H1 expression predicates favorable patient prognosis.
  • Estrogen down-regulates nm23-H1 expression and promotes cell migration and invasion by activating the PIK3/AKT pathway.
  • [MeSH-major] Adenocarcinoma / enzymology. Antineoplastic Agents, Hormonal / pharmacology. Cystadenoma, Serous / enzymology. Estrogens / metabolism. Ovarian Neoplasms / enzymology. Phosphatidylinositol 3-Kinases / metabolism. Progestins / pharmacology. Proto-Oncogene Proteins c-akt / metabolism
  • [MeSH-minor] Cell Line, Tumor. Cell Movement. Dose-Response Relationship, Drug. Female. Humans. Medroxyprogesterone Acetate / pharmacology. Middle Aged. NM23 Nucleoside Diphosphate Kinases / metabolism. Neoplasm Metastasis. Neoplasm Staging. Phosphorylation. Prognosis. Protein Kinase Inhibitors / pharmacology. RNA Interference. RNA, Small Interfering / metabolism. Signal Transduction / drug effects. Time Factors

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  • (PMID = 18949358.001).
  • [ISSN] 1019-6439
  • [Journal-full-title] International journal of oncology
  • [ISO-abbreviation] Int. J. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Antineoplastic Agents, Hormonal; 0 / Estrogens; 0 / NM23 Nucleoside Diphosphate Kinases; 0 / Progestins; 0 / Protein Kinase Inhibitors; 0 / RNA, Small Interfering; C2QI4IOI2G / Medroxyprogesterone Acetate; EC 2.7.1.- / Phosphatidylinositol 3-Kinases; EC 2.7.11.1 / Proto-Oncogene Proteins c-akt; EC 2.7.4.6 / NME1 protein, human
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47. Byrne JA, Maleki S, Hardy JR, Gloss BS, Murali R, Scurry JP, Fanayan S, Emmanuel C, Hacker NF, Sutherland RL, Defazio A, O'Brien PM: MAL2 and tumor protein D52 (TPD52) are frequently overexpressed in ovarian carcinoma, but differentially associated with histological subtype and patient outcome. BMC Cancer; 2010;10:497
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  • [Title] MAL2 and tumor protein D52 (TPD52) are frequently overexpressed in ovarian carcinoma, but differentially associated with histological subtype and patient outcome.
  • Independent expression microarray studies predict MAL2 overexpression in ovarian carcinoma, but these had remained unconfirmed.
  • MAL2 binds tumor protein D52 (TPD52), which is frequently overexpressed in ovarian carcinoma, but the clinical significance of MAL2 and TPD52 overexpression was unknown.
  • METHODS: Immunohistochemical analyses of MAL2 and TPD52 expression were performed using tissue microarray sections including benign, borderline and malignant epithelial ovarian tumours.
  • MAL2 expression was highest in serous carcinomas relative to other histological subtypes, whereas TPD52 expression was highest in clear cell carcinomas.
  • MAL2 expression was not related to patient survival, however high-level TPD52 staining was significantly associated with improved overall survival in patients with stage III serous ovarian carcinoma (log-rank test, p < 0.001; n = 124) and was an independent predictor of survival in the overall carcinoma cohort (hazard ratio (HR), 0.498; 95% confidence interval (CI), 0.34-0.728; p < 0.001; n = 221), and in serous carcinomas (HR, 0.440; 95% CI, 0.294-0.658; p < 0.001; n = 182).
  • CONCLUSIONS: MAL2 is frequently overexpressed in ovarian carcinoma, and TPD52 overexpression is a favourable independent prognostic marker of potential value in the management of ovarian carcinoma patients.
  • [MeSH-major] Adenocarcinoma, Clear Cell / metabolism. Adenocarcinoma, Mucinous / metabolism. Cystadenocarcinoma, Serous / metabolism. Endometrial Neoplasms / metabolism. Neoplasm Proteins / metabolism. Ovarian Neoplasms / metabolism. Proteolipids / metabolism. Vesicular Transport Proteins / metabolism
  • [MeSH-minor] Biomarkers, Tumor / metabolism. Cohort Studies. Female. Humans. Immunoenzyme Techniques. Middle Aged. Myelin and Lymphocyte-Associated Proteolipid Proteins. Neoplasm Staging. Neoplasm, Residual / metabolism. Neoplasm, Residual / pathology. Prognosis. Survival Rate. Tissue Array Analysis

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  • [Cites] Histol Histopathol. 2004 Jul;19(3):925-33 [15168355.001]
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  • (PMID = 20846453.001).
  • [ISSN] 1471-2407
  • [Journal-full-title] BMC cancer
  • [ISO-abbreviation] BMC Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / MAL2 protein, human; 0 / Myelin and Lymphocyte-Associated Proteolipid Proteins; 0 / Neoplasm Proteins; 0 / Proteolipids; 0 / TPD52 protein, human; 0 / Vesicular Transport Proteins
  • [Other-IDs] NLM/ PMC2949808
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48. Tsuchiya T, Nakahama K, Asakawa Y, Maemura T, Tanaka M, Takeda S, Morita M, Morita I: The reduction in pigment epithelium-derived factor is a sign of malignancy in ovarian cancer expressing low-level of vascular endothelial growth factor. Gynecol Endocrinol; 2009 Feb;25(2):104-9
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  • [Title] The reduction in pigment epithelium-derived factor is a sign of malignancy in ovarian cancer expressing low-level of vascular endothelial growth factor.
  • The aim of this study was to characterise the roles of angiogenic and anti-angiogenic factors on ovarian cancer.
  • METHODS: The expression levels of vascular endothelial growth factor (VEGF, angiogenic factor) and pigment epithelial growth factor (PEDF, anti-angiogenic factor) were measured by real-time polymerase chain reaction and Western blotting in ovarian tumors.
  • Microvessel density (MVD) was evaluated by the total microvessel length in high-power field of tumor tissue preparations.
  • RESULTS: MVD correlated with tumor malignancy.
  • The VEGF expression levels in some malignant tumors (VEGF-L) were as low as that in benign tumors.
  • The PEDF expression levels in VEGF-L malignant tumors were significantly lower than those in benign tumors.
  • On the other hand, the PEDF expression levels in VEGF-H malignant tumor tissues were not significantly different from those in benign tumors.
  • CONCLUSION: The reduction in PEDF expression levels may be, in part, responsible for tumor malignancy in VEGF-L ovarian tumors.
  • Furthermore, PEDF may be a useful marker of malignancy in VEGF-L ovarian tumors.
  • [MeSH-major] Adenocarcinoma, Mucinous / pathology. Adenocarcinoma, Mucinous / physiopathology. Eye Proteins / genetics. Nerve Growth Factors / genetics. Ovarian Neoplasms / pathology. Ovarian Neoplasms / physiopathology. Serpins / genetics. Vascular Endothelial Growth Factor A / genetics
  • [MeSH-minor] Adenocarcinoma, Clear Cell / blood supply. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Clear Cell / physiopathology. Biomarkers, Tumor / metabolism. Blotting, Western. Carcinoma, Endometrioid / blood supply. Carcinoma, Endometrioid / pathology. Carcinoma, Endometrioid / physiopathology. Female. Gene Expression Regulation, Neoplastic. Humans. Microcirculation / physiology. Neoplasms / blood supply. Neoplasms / pathology. Neoplasms / physiopathology. Neovascularization, Pathologic / metabolism. Neovascularization, Pathologic / pathology. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 19253105.001).
  • [ISSN] 1473-0766
  • [Journal-full-title] Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology
  • [ISO-abbreviation] Gynecol. Endocrinol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Eye Proteins; 0 / Nerve Growth Factors; 0 / Serpins; 0 / VEGFA protein, human; 0 / Vascular Endothelial Growth Factor A; 0 / pigment epithelium-derived factor
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49. Tantbirojn P, Triratanachat S, Trivijitsilp P, Niruthisard S: Human telomerase reverse transcriptase (hTERT) expression in borderline ovarian tumors: an immunohistochemical study. J Med Assoc Thai; 2009 Mar;92(3):308-14
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  • [Title] Human telomerase reverse transcriptase (hTERT) expression in borderline ovarian tumors: an immunohistochemical study.
  • OBJECTIVE: To investigate the expression of human telomerase reverse transcriptase (hTERT) in epithelial borderline ovarian tumor (BOT) by immunohistochemistry with correlation to clinicopathologic variables.
  • MATERIAL AND METHOD: Paraffin-embedded tissue sections of 62 borderline ovarian tumors (47 mucinous, 14 serous, and 1 clear cell) and 12 epthelial ovarian carcinomas were immunostained with antibodies to hTERT.
  • RESULTS: hTERT expression was detected in 48.4% of BOT and all cases of epithelial ovarian carcinoma.
  • No hTERT immunoreactivity was observed in the benign parts of the same slides of each immunoreactive case. hTERT immunoreactivity was positively correlated with FIGO stage (p = 0.04), but not with other variables.
  • CONCLUSION: hTERT expression was found in half of BOT and all of epithelial ovarian carcinoma.
  • [MeSH-major] Cystadenocarcinoma, Serous / enzymology. Cystadenocarcinoma, Serous / pathology. Ovarian Neoplasms / enzymology. Ovarian Neoplasms / pathology. Telomerase / biosynthesis
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor. Female. Humans. Immunohistochemistry. Middle Aged. RNA, Messenger / genetics. Retrospective Studies. Young Adult

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  • (PMID = 19301721.001).
  • [ISSN] 0125-2208
  • [Journal-full-title] Journal of the Medical Association of Thailand = Chotmaihet thangphaet
  • [ISO-abbreviation] J Med Assoc Thai
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Thailand
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / RNA, Messenger; EC 2.7.7.49 / TERT protein, human; EC 2.7.7.49 / Telomerase
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50. Kline RC, Bazzett-Matabele LB: Adnexal masses and malignancies of importance to the colorectal surgeon. Clin Colon Rectal Surg; 2010 Jun;23(2):63-71
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  • In this article, the authors review both benign and malignant ovarian masses, as the colorectal surgeon who encounters an adnexal mass at the time of surgery should be aware of the steps necessary for surgical staging and optimal tumor resection.Ovarian tumors-most of which are benign-are divided into three major categories, in order of frequency: epithelial, germ cell, and sex cord-stromal tumors.
  • Nonneoplastic conditions of the ovary that may present as adnexal masses include the following, according to World Health Organization (WHO) classification: pregnancy luteoma, hyperplasia of ovarian stroma, hyperthecosis, massive edema, solitary follicle cysts and corpus luteal cysts, multiple follicle cysts, and endometriosis.Epithelial ovarian tumors arise from the surface epithelium and can be benign or malignant.
  • Histologic types are serous, mucinous, endometrioid, clear cell, or Brenner.
  • Germ cell tumors are more likely to appear in females under 20 years, accounting for 70% of ovarian tumors in this age group.
  • Teratomas are the most common germ cell tumors.
  • The more common sex cord-stromal tumors include granulosa stromal cell tumors, Sertoli-Leydig cell tumors, and gynandroblastomas.Surgical staging and optimal tumor resection are also addressed, with a focus on epithelial malignancies, as they are the most relevant to colorectal surgeons.

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  • (PMID = 21629623.001).
  • [ISSN] 1530-9681
  • [Journal-full-title] Clinics in colon and rectal surgery
  • [ISO-abbreviation] Clin Colon Rectal Surg
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Other-IDs] NLM/ PMC2967325
  • [Keywords] NOTNLM ; Adnexal masses / ovarian cancer / ovarian cysts
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51. Garedew A, Kämmerer U, Singer D: Respiratory response of malignant and placental cells to changes in oxygen concentration. Respir Physiol Neurobiol; 2009 Feb 28;165(2-3):154-60
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  • Whether these cells have adapted to low pO2 or live under constant constraint is not clear.
  • Herein, we compared the respiratory responses of different malignant cell types, maternal and foetal placental leucocytes, and benign cells by incubating them under a gradient of pO2, from saturation to hypoxia, in a high resolution respirometer.
  • The malignant cells and foetal leucocytes showed higher rates of mitochondrial oxygen uptake compared to the benign cells and maternal leucocytes, respectively.
  • On the other hand, the mitochondrial oxygen uptake rates of the hypoxia adapted cells declined faster than the other cell types during the onset of hypoxia, probably suggesting conformance of aerobic metabolism to the local oxygen concentration.
  • On the other hand, the JO2 of the benign cells declined with the decrease in [O2] from 200 to 40 microM and <or=10 microM.
  • [MeSH-minor] Adenocarcinoma / metabolism. Adenocarcinoma / pathology. Cell Hypoxia / physiology. Cell Line, Tumor. Cell Respiration / physiology. Endothelial Cells / cytology. Endothelial Cells / metabolism. Female. Fetus / cytology. Humans. Ovarian Neoplasms / metabolism. Ovarian Neoplasms / pathology. Umbilical Veins / cytology

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  • (PMID = 19041734.001).
  • [ISSN] 1569-9048
  • [Journal-full-title] Respiratory physiology & neurobiology
  • [ISO-abbreviation] Respir Physiol Neurobiol
  • [Language] eng
  • [Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Netherlands
  • [Chemical-registry-number] S88TT14065 / Oxygen
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52. Berlingieri MT, Pallante P, Sboner A, Barbareschi M, Bianco M, Ferraro A, Mansueto G, Borbone E, Guerriero E, Troncone G, Fusco A: UbcH10 is overexpressed in malignant breast carcinomas. Eur J Cancer; 2007 Dec;43(18):2729-35
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  • Subsequently, a clear correlation between UbcH10 overexpression and a reduced survival in ovarian carcinoma patients has been described indicating UbcH10 as a valid prognostic marker in this neoplastic disease.
  • We demonstrated, by tissue micro-arrays immunohistochemical studies, a significant difference (p=0.0001) in the mean percentage of UbcH10 stained cells between benign (0.22%) and malignant (11.01%) neoplastic lesions.
  • The suppression of the ErbB2 expression in breast carcinoma cell lines induces a reduction of UbcH10 level.
  • Consistently, the inhibition of breast carcinoma cell growth was achieved following the block of UbcH10 protein synthesis by RNA interference.
  • [MeSH-major] Biomarkers, Tumor / metabolism. Breast Neoplasms / enzymology. Ubiquitin-Conjugating Enzymes / metabolism
  • [MeSH-minor] Blotting, Western. Cell Division. Cell Line, Tumor. Genes, erbB-2 / genetics. Humans. Immunohistochemistry. Prognosis. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 17933517.001).
  • [ISSN] 0959-8049
  • [Journal-full-title] European journal of cancer (Oxford, England : 1990)
  • [ISO-abbreviation] Eur. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; EC 6.3.2.19 / UBE2C protein, human; EC 6.3.2.19 / Ubiquitin-Conjugating Enzymes
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53. Oliva E, Alvarez T, Young RH: Sertoli cell tumors of the ovary: a clinicopathologic and immunohistochemical study of 54 cases. Am J Surg Pathol; 2005 Feb;29(2):143-56
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  • [Title] Sertoli cell tumors of the ovary: a clinicopathologic and immunohistochemical study of 54 cases.
  • Ovarian Sertoli cell tumors are rare, and their morphologic spectrum, behavior, and factors influencing the latter are not clearly established.
  • They may be mimicked by many different tumors, some of them more frequent than Sertoli cell tumors; immunohistochemistry may aid in this differential, but its role has not been analyzed in a large series.
  • We studied the clinicopathologic features of 54 Sertoli cell tumors, including the immunohistochemical profile of 23 of them.
  • Delicate septa were occasionally seen and were conspicuous in areas of one tumor.
  • The cells usually had pale to occasionally densely eosinophilic cytoplasm, but 6 tumors were composed of cells with prominent foamy cytoplasm, falling in the category of "lipid-rich" Sertoli cell tumor, and one had cells with clear non-foamy cytoplasm.
  • Two of the three clinically malignant stage I tumors had moderate to severe cytologic atypia and brisk mitotic activity (>5 or more mitoses/10 high power fields [HPFs]), and one of these had tumor cell necrosis.
  • Among the 10 clinically benign stage I tumors with more than 5 years of follow-up, only 3 had >5 mitoses/10 HPFs, but none had more than mild cytologic atypia and none had tumor cell necrosis.
  • Although Sertoli cell tumors usually have a distinctive tubular pattern that facilitates the diagnosis, other patterns may occasionally predominate, causing confusion with various other primary and metastatic ovarian tumors.
  • EMA, inhibin, and chromogranin represent the most helpful triad of immunomarkers serving to exclude two common mimics of Sertoli cell tumors (endometrioid carcinoma [inhibin-; EMA+; chromogranin-] and carcinoid tumor [inhibin-; EMA+; chromogranin+]).
  • Most Sertoli cell tumors are stage I, unilateral, cytologically bland, and clinically benign, but occasional examples are high stage, and about 11% of stage I tumors have worrisome histologic features that may portend an adverse outcome.
  • [MeSH-major] Ovarian Neoplasms / metabolism. Ovarian Neoplasms / pathology. Sertoli Cell Tumor / metabolism. Sertoli Cell Tumor / pathology
  • [MeSH-minor] Adolescent. Adult. Aged. Biomarkers, Tumor / analysis. Child. Child, Preschool. Diagnosis, Differential. Female. Humans. Immunohistochemistry. Middle Aged. Prognosis

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  • (PMID = 15644771.001).
  • [ISSN] 0147-5185
  • [Journal-full-title] The American journal of surgical pathology
  • [ISO-abbreviation] Am. J. Surg. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor
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54. Presneau N, Shen Z, Provencher D, Mes-Masson AM, Tonin PN: Identification of novel variant, 1484delG in the 3'UTR of H3F3B, a member of the histone 3B replacement family, in ovarian tumors. Int J Oncol; 2005 Jun;26(6):1621-7
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  • [Title] Identification of novel variant, 1484delG in the 3'UTR of H3F3B, a member of the histone 3B replacement family, in ovarian tumors.
  • Previous studies have implicated the chromosomal region at 17q25 as harboring tumor suppressor genes based on the frequent loss of heterozygosity (LOH) observed in epithelial ovarian cancers (EOC).
  • RT-PCR validation of Affymetrix GeneChip expression of H3F3B, a member of the 3B histone family that maps to 17q25.1, revealed a doublet band in cDNA from one of four EOC cell lines, OV90.
  • In contrast to three other EOC cell lines (TOV81D, TOV112D and TOV21G) and primary cultures derived from normal ovarian surface epithelial cells (NOSE), sequence analysis of the cDNA revealed a deletion of G at position 1484 of the transcribed sequence which is located within the 3'UTR of H3F3B.
  • OV90 was derived from ascites fluid of an undifferentiated adenocarcinoma of ovarian origin.
  • The variant allele was identified in 1 of 65 (2%) healthy women with no prior history of cancer and in 5 participants with ovarian tumors comprising of 4 of 79 (5%) malignant EOC, none of 10 low malignancy potential tumors, and 1 of 8 (13%) benign tumors.
  • All carriers of the variant alleles were heterozygous and tumor samples did not exhibit preferential LOH of the normal allele.
  • The variant allele was identified in EOC samples of clear cell (1 of 20), mucinous (1 of 8), mixed cell (1 of 3) and undifferentiated (1 of 2) histopathological subtypes but none of 34 serous or 12 endometrioid subtype tumors.
  • One of 3 mucinous benign tumors also harbored the variant allele.
  • The functional significance of the variant is unknown, however its presence in rare subtypes of ovarian epithelial tumors warrants further investigation.
  • [MeSH-major] 3' Untranslated Regions / genetics. Histones / genetics. Loss of Heterozygosity. Neoplasms, Glandular and Epithelial / genetics. Ovarian Neoplasms / genetics
  • [MeSH-minor] Adult. Aged. Cell Line, Tumor. Chromosome Mapping. Chromosomes, Human, Pair 17. Female. Humans. Middle Aged. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 15870878.001).
  • [ISSN] 1019-6439
  • [Journal-full-title] International journal of oncology
  • [ISO-abbreviation] Int. J. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / 3' Untranslated Regions; 0 / Histones
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55. Brinton LA, Sakoda LC, Sherman ME, Frederiksen K, Kjaer SK, Graubard BI, Olsen JH, Mellemkjaer L: Relationship of benign gynecologic diseases to subsequent risk of ovarian and uterine tumors. Cancer Epidemiol Biomarkers Prev; 2005 Dec;14(12):2929-35
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  • [Title] Relationship of benign gynecologic diseases to subsequent risk of ovarian and uterine tumors.
  • METHODS: Using record linkage techniques, we assessed the relationships between hospital and outpatient admissions for endometriosis or leiomyomas and the development of ovarian and uterine cancers in Denmark between 1978 and 1998.
  • Based on a population-based cohort exceeding 99,000 women, including 2,491 ovarian cancers, 860 borderline ovarian tumors, and 1,398 uterine cancers, we derived relative risks (RR) and 95% confidence intervals (95% CI) associated with overall and histology-specific tumor risks after adjustment for calendar time and reproductive characteristics.
  • RESULTS: Endometriosis seemed to predispose to the development of ovarian cancer, with the association restricted to endometrioid or clear cell malignancies.
  • Five or more years after the diagnosis of endometriosis, the RRs (95% CIs) were 2.53 (1.19-5.38) for endometrioid (7 exposed cases) and 3.37 (1.24-9.14) for clear cell (4 exposed cases) malignancies.
  • CONCLUSION: In combination with clinical, pathologic, and molecular data, our results support that some endometriotic lesions may predispose to clear cell and endometrioid ovarian cancers.
  • [MeSH-major] Endometriosis / complications. Leiomyoma / complications. Ovarian Neoplasms / etiology. Uterine Neoplasms / etiology

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  • (PMID = 16365012.001).
  • [ISSN] 1055-9965
  • [Journal-full-title] Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
  • [ISO-abbreviation] Cancer Epidemiol. Biomarkers Prev.
  • [Language] eng
  • [Grant] United States / Intramural NIH HHS / /
  • [Publication-type] Journal Article; Research Support, N.I.H., Intramural
  • [Publication-country] United States
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56. Popadiuk CM, Xiong J, Wells MG, Andrews PG, Dankwa K, Hirasawa K, Lake BB, Kao KR: Antisense suppression of pygopus2 results in growth arrest of epithelial ovarian cancer. Clin Cancer Res; 2006 Apr 1;12(7 Pt 1):2216-23
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  • [Title] Antisense suppression of pygopus2 results in growth arrest of epithelial ovarian cancer.
  • In epithelial ovarian cancer, constitutively active Wnt signaling is restricted to one (endometrioid) tumor subtype.
  • The purpose of this study was to determine the level of expression and growth requirements of human Pygopus2 (hPygo2) protein in epithelial ovarian cancer.
  • EXPERIMENTAL DESIGN: Expression and subcellular localization of hPygo2 was determined in epithelial ovarian cancer cell lines and tumors using Northern blot, immunoblot, and immunofluorescence.
  • Immunohistochemistry was done on 125 archived patient epithelial ovarian cancer tumors representing all epithelial ovarian cancer subtypes.
  • T-cell factor-dependent transcription levels were determined in epithelial ovarian cancer cells using TOPflash/FOPflash in vivo assays.
  • Phosphorothioated antisense oligonucleotides were transfected into cell lines and growth assayed by cell counting, anchorage-independent colony formation on soft agar, and xenografting into severe combined immunodeficient mice.
  • RESULTS: All six epithelial ovarian cancer cell lines and 82% of the patient samples overexpressed nuclear hPygo2 compared with control cells and benign disease.
  • Depletion of hPygo2 by antisense oligonucleotides in both Wnt-active (TOV-112D) and Wnt-inactive serous (OVCAR-3, SKOV-3) and clear cell (TOV-21G) carcinoma cell lines halted growth, assessed using tissue culture, anchorage-independent, and xenograft assays.
  • CONCLUSIONS: hPygo2 is unexpectedly widely expressed in, and required in the absence of, Wnt signaling for malignant growth of epithelial ovarian cancer, the deadliest gynecologic malignancy.
  • [MeSH-major] Intracellular Signaling Peptides and Proteins / drug effects. Neoplasms, Glandular and Epithelial / drug therapy. Oligodeoxyribonucleotides, Antisense / pharmacology. Ovarian Neoplasms / drug therapy
  • [MeSH-minor] Animals. Cell Line, Tumor. Cell Proliferation / drug effects. Disease Models, Animal. Drug Screening Assays, Antitumor. Female. Gene Expression Regulation, Neoplastic / drug effects. Gene Expression Regulation, Neoplastic / genetics. Humans. In Vitro Techniques. Mice. Neoplasms, Experimental / therapy. Structure-Activity Relationship. Transplantation, Heterologous. Xenograft Model Antitumor Assays

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  • (PMID = 16609037.001).
  • [ISSN] 1078-0432
  • [Journal-full-title] Clinical cancer research : an official journal of the American Association for Cancer Research
  • [ISO-abbreviation] Clin. Cancer Res.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Intracellular Signaling Peptides and Proteins; 0 / Oligodeoxyribonucleotides, Antisense; 0 / PYGO2 protein, human
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57. Pothacharoen P, Siriaunkgul S, Ong-Chai S, Supabandhu J, Kumja P, Wanaphirak C, Sugahara K, Hardingham T, Kongtawelert P: Raised serum chondroitin sulfate epitope level in ovarian epithelial cancer. J Biochem; 2006 Oct;140(4):517-24
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  • [Title] Raised serum chondroitin sulfate epitope level in ovarian epithelial cancer.
  • OBJECTIVE: To determine the value of serum chondroitin sulfate epitope WF6 and hyaluronan (HA) levels as a biomarker for early detection of ovarian epithelial cancer and other gynecological disorders.
  • METHOD: Serum WF6 CS epitope and HA were measured in 91 patients with ovarian epithelial cancer, 39 patients with non-cancer gynecological disorders and 30 healthy women.
  • RESULTS: The serum concentration of CS (WF6) epitope was highly increased in epithelial types of ovarian cancer and at all stages of development (p < 0.005).
  • Serum HA in ovarian cancer patients was significantly higher than normal controls (p < 0.05).
  • CONCLUSION: These results reflect changes in ECM metabolism in progressive ovarian cancer, which cause an increase in serum CS epitopes and HA.
  • Measurement of serum HA provided complementary information, which may be useful as a discriminator between benign ovarian disorders and malignant ovarian diseases.
  • [MeSH-major] Chondroitin Sulfates / blood. Hyaluronic Acid / blood. Ovarian Neoplasms / diagnosis
  • [MeSH-minor] Adenocarcinoma, Clear Cell / diagnosis. Adenocarcinoma, Clear Cell / immunology. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Mucinous / diagnosis. Adenocarcinoma, Mucinous / immunology. Adenocarcinoma, Mucinous / pathology. Adenocarcinoma, Papillary / diagnosis. Adenocarcinoma, Papillary / immunology. Adenocarcinoma, Papillary / pathology. Adult. Aged. Antibodies, Monoclonal. Biomarkers, Tumor / blood. Carcinoma, Endometrioid / diagnosis. Carcinoma, Endometrioid / immunology. Carcinoma, Endometrioid / pathology. Cells, Cultured. Cross-Sectional Studies. Epitopes. Female. Humans. Hybridomas. Middle Aged

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  • (PMID = 16936295.001).
  • [ISSN] 0021-924X
  • [Journal-full-title] Journal of biochemistry
  • [ISO-abbreviation] J. Biochem.
  • [Language] eng
  • [Grant] United Kingdom / Wellcome Trust / /
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Japan
  • [Chemical-registry-number] 0 / Antibodies, Monoclonal; 0 / Biomarkers, Tumor; 0 / Epitopes; 9004-61-9 / Hyaluronic Acid; 9007-28-7 / Chondroitin Sulfates
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58. Zhang WY, Pan Y, Zhu LR, Zhang JZ, Zhang M, Feng K, Zhou L, Yu L, Zhang XM, Ng SW: [Expression of topoisomerase III alpha in epithelial ovarian tumors of different types and relation between the expression of topoisomerase III alpha and the clinical pathology of tumor]. Zhonghua Yi Xue Za Zhi; 2005 Nov 9;85(42):2988-91
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  • [Title] [Expression of topoisomerase III alpha in epithelial ovarian tumors of different types and relation between the expression of topoisomerase III alpha and the clinical pathology of tumor].
  • OBJECTIVE: To investigate the expression status of topoisomerase IIIa in epithelial ovarian tumor and the relationship between the expression status of topoisomerase IIIa and pathological type and clinical stage of epithelial ovarian carcinoma.
  • METHODS: Immunohistochemistry was carried out in the samples of ovarian tumor obtained during operation from 169 patients, aged 28 approximately 59, 18 cases with serous cystadenoma, 30 cases with serous borderline cystadenoma, 37 serous cystadenocarcinoma, 10 cases with mucous cystadenoma, 20 mucous borderline cystadenoma, 26 mucous cystadenocarcinoma, 19 cases with endometrial carcinoma of ovary, and 9 cases with clear cell carcinoma.
  • RESULTS: The expression rate of topoisomerase IIIa was 17.9% in the benign ovarian tumors, 74.0% in the borderline cystadenoma, and 42.7% in the malignant tumors with statistical significance among them (chi(2) = 24.657, P < 0.001).
  • CONCLUSION: Topoisomerase IIIa is highly expressed in epithelial ovarian carcinoma, and its expression level is correlated with the character and type of tumor tissues.
  • [MeSH-major] DNA Topoisomerases, Type I / biosynthesis. Ovarian Neoplasms / enzymology
  • [MeSH-minor] Adult. Cystadenoma, Mucinous / enzymology. Cystadenoma, Mucinous / pathology. Cystadenoma, Serous / enzymology. Cystadenoma, Serous / pathology. Female. Humans. Immunohistochemistry. Isoenzymes / biosynthesis. Middle Aged. Neoplasm Staging

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  • (PMID = 16324386.001).
  • [ISSN] 0376-2491
  • [Journal-full-title] Zhonghua yi xue za zhi
  • [ISO-abbreviation] Zhonghua Yi Xue Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
  • [Chemical-registry-number] 0 / Isoenzymes; EC 5.99.1.2 / DNA Topoisomerases, Type I; EC 5.99.1.2 / DNA topoisomerase III
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59. Takahashi N, Yamamoto E, Ino K, Miyoshi E, Nagasaka T, Kajiyama H, Shibata K, Nawa A, Kikkawa F: High expression of N-acetylglucosaminyltransferase V in mucinous tumors of the ovary. Oncol Rep; 2009 Nov;22(5):1027-32
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  • N-acetylglucosaminyltransferase V (GnT-V) is an enzyme that catalyzes beta1-6 branching of N-acetylglucosamine (GlcNAc) on asparagine-linked oligosaccharides of cell proteins.
  • The present study aimed to investigate GnT-V expression and its prognostic significance in epithelial ovarian cancer.
  • GnT-V expression was studied by immunohistochemistry in 83 surgically resected ovarian cancers, and the staining intensity was evaluated.
  • In 36 mucinous tumors, the GnT-V immunostaining score was significantly higher in cancer than in benign and borderline tumors (P<0.001).
  • NOM-1, a human ovarian mucinous adenocarcinoma cell line, expressed strong GnT-V protein and swainsonine treatment suppressed beta1-6GlcNAc branching and reduced migration ability significantly (P<0.001).
  • These results suggested that GnT-V might be involved in the malignant potential of mucinous ovarian cancer.
  • [MeSH-major] Adenocarcinoma, Clear Cell / enzymology. Adenocarcinoma, Mucinous / enzymology. Cystadenocarcinoma, Serous / enzymology. Endometrial Neoplasms / enzymology. N-Acetylglucosaminyltransferases / metabolism. Ovarian Neoplasms / enzymology
  • [MeSH-minor] Adult. Aged. Blotting, Western. Cell Adhesion. Cell Movement. Cell Proliferation. Female. Humans. Immunoenzyme Techniques. Middle Aged. Phytohemagglutinins / metabolism. Prognosis. Tumor Cells, Cultured

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  • (PMID = 19787216.001).
  • [ISSN] 1021-335X
  • [Journal-full-title] Oncology reports
  • [ISO-abbreviation] Oncol. Rep.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] Greece
  • [Chemical-registry-number] 0 / Phytohemagglutinins; EC 2.4.1.- / N-Acetylglucosaminyltransferases; EC 2.4.1.155 / alpha-1,6-mannosylglycoprotein beta 1,6-N-acetylglucosaminyltransferase
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60. Castellvi J, Garcia A, de la Torre J, Hernandez J, Gil A, Xercavins J, Ramón y Cajal S: Ephrin B expression in epithelial ovarian neoplasms correlates with tumor differentiation and angiogenesis. Hum Pathol; 2006 Jul;37(7):883-9
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  • [Title] Ephrin B expression in epithelial ovarian neoplasms correlates with tumor differentiation and angiogenesis.
  • Ephrin B1, a factor involved in angiogenesis, has been shown to be up-regulated in ovarian carcinomas, making it a potential target for cancer treatment.
  • This study investigates ephrin B expression in ovarian tumors to validate results from gene expression studies and evaluates its significance with a clinical-pathological correlation.
  • Specimens from 112 benign, borderline, and malignant epithelial ovarian tumors were examined.
  • Ephrin B was detected in 50% of ovarian tumors: clear cell carcinomas (93%), serous carcinomas (74%), mucinous carcinomas (29%), and endometrioid carcinomas (27%).
  • High-grade carcinomas showed greatest ephrin B expression, whereas benign tumors and low-grade carcinomas were rarely positive.
  • A correlation was found between ephrin B expression and microvessel density, supporting the angiogenic role of this factor in ovarian carcinomas.
  • A distinctive pattern of ephrin B expression was observed in ovarian tumors: high-grade tumors and clear cell and serous carcinomas show higher expression, correlating with the aggressiveness.
  • [MeSH-major] Biomarkers, Tumor / analysis. Ephrin-B1 / biosynthesis. Neovascularization, Pathologic. Ovarian Neoplasms / blood supply. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Adult. Aged. Aged, 80 and over. Blotting, Western. Cell Differentiation. Female. Humans. Immunohistochemistry. Microcirculation. Middle Aged. Survival Analysis

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  • (PMID = 16784989.001).
  • [ISSN] 0046-8177
  • [Journal-full-title] Human pathology
  • [ISO-abbreviation] Hum. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Ephrin-B1
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61. Yamamoto Y, Oguri H, Yamada R, Maeda N, Kohsaki S, Fukaya T: Preoperative evaluation of pelvic masses with combined 18F-fluorodeoxyglucose positron emission tomography and computed tomography. Int J Gynaecol Obstet; 2008 Aug;102(2):124-7
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  • OBJECTIVE: To prospectively evaluate the diagnostic value of combined 18F-fluorodeoxyglucose position emission tomography and computed tomography (FDG-PET/CT) to discriminate malignant or borderline malignant tumors from benign pelvic masses.
  • METHODS: A prospective study of 30 women with suspected ovarian cancer who presented from July 2006 through August 2007.
  • Selection was based on evidence from ultrasound, magnetic resonance imaging, and rising tumor marker levels.
  • The sensitivity and specificity of FDG-PET/CT to detect ovarian cancer were 100% and 85.0%, respectively.
  • The maximum standardized uptake value in borderline tumors was significantly lower compared with malignant tumors, but not significantly different compared with benign tumors.
  • CONCLUSION: FDG-PET/CT had a high diagnostic value in differentiating between malignant and benign tumors, and a low diagnostic value in differentiating between borderline malignant and benign tumors.
  • [MeSH-major] Adenocarcinoma / diagnosis. Ovarian Neoplasms / diagnosis. Positron-Emission Tomography. Tomography, X-Ray Computed
  • [MeSH-minor] Adenocarcinoma, Clear Cell / diagnostic imaging. Female. Fluorodeoxyglucose F18. Humans. Middle Aged. Prospective Studies. Radiopharmaceuticals

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  • (PMID = 18423470.001).
  • [ISSN] 0020-7292
  • [Journal-full-title] International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics
  • [ISO-abbreviation] Int J Gynaecol Obstet
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18
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62. Kato N, Sasou S, Motoyama T: Expression of hepatocyte nuclear factor-1beta (HNF-1beta) in clear cell tumors and endometriosis of the ovary. Mod Pathol; 2006 Jan;19(1):83-9
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  • [Title] Expression of hepatocyte nuclear factor-1beta (HNF-1beta) in clear cell tumors and endometriosis of the ovary.
  • Clear cell tumors of the ovary are frequently associated with ovarian endometriosis.
  • Clinicopathologically, it has been suggested that clear cell tumors develop from endometriosis, but there has been little molecular evidence supporting this speculation.
  • Microarray analysis revealed recently that hepatocyte nuclear factor-1beta (HNF-1beta) was significantly upregulated in clear cell carcinoma of the ovary.
  • In the present study, we examined 30 clear cell tumors (26 malignant, three borderline, and one benign) and 40 endometriotic cysts to clarify if differentiation into the clear cell lineage already begins in ovarian endometriosis.
  • All of the 30 clear cell tumors, including borderline and benign ones, showed immunohistochemical expression of HNF-1beta in the nucleus, while other types of ovarian epithelial tumors (endometrioid, serous, mucinous, and Brenner tumors) rarely expressed it.
  • Among 30 clear cell tumors, 17 (56%) cases were associated with endometriosis, and endometriotic epithelium was identified in 12 cases.
  • In nine of the 12 cases, distinct nuclear immunostaining for HNF-1beta was detected in the endometriotic epithelium, as well as in the clear cell tumor.
  • Furthermore, 16 of 40 (40%) endometriotic cysts without a neoplasm also expressed HNF-1beta, and the expression was almost exclusively observed in the epithelium showing inflammatory atypia.
  • Our results indicate that HNF-1beta is an excellent molecular marker for ovarian clear cell tumors, including benign, borderline and malignant lesions.
  • Early differentiation into the clear cell lineage takes place in ovarian endometriosis, not only in atypical endometriosis, but also in endometriosis with degenerative and regenerative changes, and this is probably responsible for the frequent occurrence of clear cell carcinoma in ovarian endometriosis.
  • [MeSH-major] Adenocarcinoma, Clear Cell / pathology. Endometriosis / pathology. Hepatocyte Nuclear Factor 1-beta / biosynthesis. Ovarian Diseases / pathology. Ovarian Neoplasms / pathology
  • [MeSH-minor] Adult. Aged. Epithelial Cells / chemistry. Epithelial Cells / pathology. Female. Humans. Immunohistochemistry. Middle Aged. Ovarian Cysts / metabolism. Ovarian Cysts / pathology

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  • (PMID = 16258507.001).
  • [ISSN] 0893-3952
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 138674-15-4 / Hepatocyte Nuclear Factor 1-beta
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63. Tringler B, Liu W, Corral L, Torkko KC, Enomoto T, Davidson S, Lucia MS, Heinz DE, Papkoff J, Shroyer KR: B7-H4 overexpression in ovarian tumors. Gynecol Oncol; 2006 Jan;100(1):44-52
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  • [Title] B7-H4 overexpression in ovarian tumors.
  • OBJECTIVES: Despite great advances in therapeutic management, the mortality rate for ovarian cancer has remained relatively stable over the past 50 years.
  • This study was designed to evaluate the expression of B7-H4 protein, recently identified as a potential molecular marker of breast and ovarian cancer by quantitative PCR analysis, in benign tumors, tumors of low malignant potential and malignant tumors of the ovary.
  • METHODS: Archival formalin-fixed tissue blocks from serous, mucinous, endometrioid and clear cell ovarian tumors were evaluated by immunohistochemistry for the distribution of B7-H4 expression, and staining intensity was measured by automated image analysis.
  • RESULTS: B7-H4 cytoplasmic and membranous expression was detected in all primary serous (n = 32), endometrioid (n = 12), and clear cell carcinomas (n = 15), and in all metastatic serous (n = 23) and endometrioid (n = 7) ovarian carcinomas.
  • CONCLUSIONS: The consistent overexpression of B7-H4 in serous, endometrioid and clear cell ovarian carcinomas and the relative absence of expression in most normal somatic tissues indicates that B7-H4 should be further investigated as a potential diagnostic marker or therapeutic target for ovarian cancer.
  • [MeSH-major] Antigens, CD80 / biosynthesis. Biomarkers, Tumor / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Adenocarcinoma, Clear Cell / immunology. Adenocarcinoma, Clear Cell / metabolism. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Mucinous / immunology. Adenocarcinoma, Mucinous / metabolism. Adenocarcinoma, Mucinous / pathology. Adult. Aged. Aged, 80 and over. Blotting, Western. Carcinoma, Endometrioid / immunology. Carcinoma, Endometrioid / metabolism. Carcinoma, Endometrioid / pathology. Cystadenocarcinoma, Serous / immunology. Cystadenocarcinoma, Serous / metabolism. Cystadenocarcinoma, Serous / pathology. Female. Humans. Immunohistochemistry. Middle Aged. Neoplasm Metastasis. Neoplasm Staging. V-Set Domain-Containing T-Cell Activation Inhibitor 1

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  • (PMID = 16256178.001).
  • [ISSN] 0090-8258
  • [Journal-full-title] Gynecologic oncology
  • [ISO-abbreviation] Gynecol. Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD80; 0 / Biomarkers, Tumor; 0 / V-Set Domain-Containing T-Cell Activation Inhibitor 1; 0 / VTCN1 protein, human
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64. Grisaru-Granovsky S, Salah Z, Maoz M, Pruss D, Beller U, Bar-Shavit R: Differential expression of protease activated receptor 1 (Par1) and pY397FAK in benign and malignant human ovarian tissue samples. Int J Cancer; 2005 Jan 20;113(3):372-8
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  • [Title] Differential expression of protease activated receptor 1 (Par1) and pY397FAK in benign and malignant human ovarian tissue samples.
  • Although proteases in general have been implicated in the remodeling of the extracellular tumor microenvironment, the role of cell surface receptors activated by proteolysis is now emerging.
  • In our present study we investigated the expression pattern of protease activated receptor 1 hPar1 in ovarian carcinoma tissue samples.
  • In contrast, no hPar1 expression was detected on the cell surface of normal ovarian epithelium.
  • In early stages of ovarian carcinoma (Ia), the contra lateral normal ovary showed strong PAR1 expression as opposed to the lack of expression in the ovarian epithelium obtained from normal individuals.
  • Phosphorylated FAK was seen in invasive ovarian carcinoma, but not in the normal ovarian epithelium.
  • The abundant hPar1 levels in pathological malignant ovarian carcinoma is likely to transmit signals leading to the phosphorylation of FAK and thereby alterations in the integrin functional state.
  • Altogether our data suggest that hPar1 and FAK cooperate to promote ovarian cancer malignancy.
  • [MeSH-major] Ovarian Neoplasms / metabolism. Receptor, PAR-1 / metabolism
  • [MeSH-minor] Adenocarcinoma, Clear Cell / genetics. Adenocarcinoma, Clear Cell / metabolism. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Mucinous / genetics. Adenocarcinoma, Mucinous / metabolism. Adenocarcinoma, Mucinous / pathology. Carcinoma, Endometrioid / genetics. Carcinoma, Endometrioid / metabolism. Carcinoma, Endometrioid / pathology. Cystadenocarcinoma, Serous / genetics. Cystadenocarcinoma, Serous / metabolism. Cystadenocarcinoma, Serous / pathology. Epithelium / metabolism. Epithelium / pathology. Female. Focal Adhesion Kinase 1. Focal Adhesion Protein-Tyrosine Kinases. Gene Expression Regulation, Neoplastic. Humans. Immunoenzyme Techniques. In Situ Hybridization. Integrins / genetics. Integrins / metabolism. Neoplasm Invasiveness / pathology. Ovary / metabolism. Ovary / pathology. Phosphorylation. Protein-Tyrosine Kinases / genetics. Protein-Tyrosine Kinases / metabolism. RNA, Messenger / genetics. RNA, Messenger / metabolism. Receptors, Vitronectin / genetics. Receptors, Vitronectin / metabolism. Reverse Transcriptase Polymerase Chain Reaction

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  • (PMID = 15455382.001).
  • [ISSN] 0020-7136
  • [Journal-full-title] International journal of cancer
  • [ISO-abbreviation] Int. J. Cancer
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Integrins; 0 / RNA, Messenger; 0 / Receptor, PAR-1; 0 / Receptors, Vitronectin; 0 / integrin alphaVbeta5; EC 2.7.10.1 / Protein-Tyrosine Kinases; EC 2.7.10.2 / Focal Adhesion Kinase 1; EC 2.7.10.2 / Focal Adhesion Protein-Tyrosine Kinases; EC 2.7.10.2 / PTK2 protein, human
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65. Ota T, Gilks CB, Longacre T, Leung PC, Auersperg N: HOXA7 in epithelial ovarian cancer: interrelationships between differentiation and clinical features. Reprod Sci; 2007 Sep;14(6):605-14
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  • [Title] HOXA7 in epithelial ovarian cancer: interrelationships between differentiation and clinical features.
  • Interrelationships between HOXA7 expression and ovarian cancer progression are investigated by cDNA array and by immunohistochemistry of normal ovaries and 538 epithelial ovarian tumor microarrays.
  • HOXA7 mRNA expression was higher in carcinomas than in benign tumors.
  • There were significant associations of strong HOXA7 staining of stroma and tumor nuclei with the clear cell histotype (stroma: P = .0022, nuclei: P = .0003) and of weak/absent staining with serous carcinomas.
  • Tumor E-cadherin expression correlated significantly with HOX7 staining in stroma (P = .0002) but not within tumors.
  • HOXA7 staining of tumor cell nuclei is correlated significantly with improved disease-specific survival (P = .0104), which is suggestive of the biological and potentially clinical importance of subcellular HOXA7 localization.
  • [MeSH-major] Adenocarcinoma, Clear Cell / chemistry. Adenocarcinoma, Mucinous / chemistry. Biomarkers, Tumor / analysis. Carcinoma, Endometrioid / chemistry. Cell Differentiation. Cystadenocarcinoma, Serous / chemistry. Homeodomain Proteins / analysis. Ovarian Neoplasms / chemistry
  • [MeSH-minor] Cadherins / analysis. Cell Nucleus / chemistry. Cluster Analysis. Female. Gene Expression Profiling / methods. Gene Expression Regulation, Neoplastic. Humans. Immunohistochemistry. Kaplan-Meier Estimate. Metaplasia. Neoplasm Staging. Oligonucleotide Array Sequence Analysis. Prognosis. Stromal Cells / chemistry. Stromal Cells / pathology. Tissue Array Analysis


66. Gojnic M, Dugalic V, Vidaković S, Papic M, Jeremic K, Pervulov M, Milicevic S: Breast cancer and borderline ovarian carcinoma in young patients--case report. Eur J Gynaecol Oncol; 2005;26(5):579-80
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  • [Title] Breast cancer and borderline ovarian carcinoma in young patients--case report.
  • Borderline ovarian tumors comprise 10% to 15% of all epithelial tumors of the ovary.
  • Regardless of the tumor type (serous, mucinous, clear cell, Brenner, mixed) they can be benign, borderline or malignant.
  • [MeSH-major] Breast Neoplasms / diagnosis. Ovarian Neoplasms / diagnosis. Phyllodes Tumor / diagnosis


67. Lee JH, Zhang X, Shin BK, Lee ES, Kim I: Mac-2 binding protein and galectin-3 expression in mucinous tumours of the ovary: an annealing control primer system and immunohistochemical study. Pathology; 2009;41(3):229-33
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • AIM: We used a new differential display method, the annealing control primer (ACP) system, to analyse the differentially expressed genes in mucinous ovarian tumours.
  • METHODS AND RESULTS: The ACP-based reverse transcriptase-polymerase chain reaction revealed that 21 genes were upregulated in the mucinous ovarian adenoma and 14 genes were upregulated in the mucinous ovarian carcinoma.
  • Among them, we selected one upregulated gene, the Mac-2 binding protein (Mac-2 BP), and verified the expression of the Mac-2 BP and its ligand, galectin-3, in a variety of epithelial ovarian tumours by immunohistochemistry.
  • Positive expression of the Mac-2 BP was significantly higher in the mucinous ovarian tumours compared to the other epithelial tumours.
  • Mac-2 BP expression was significantly increased in the borderline and malignant tumours compared to the benign tumours.
  • Galectin-3 expression was more frequent in clear cell carcinomas, serous tumours and mucinous tumours than in endometrioid and transitional tumours.
  • However, there were no differences in galectin-3 expression in comparisons among benign, borderline and malignant mucinous and serous tumours.
  • CONCLUSION: These data indicate that the Mac-2 BP may play a role in the development and progression of mucinous ovarian tumours.
  • [MeSH-major] Antigens, Neoplasm / biosynthesis. Cystadenocarcinoma, Mucinous / metabolism. DNA Primers. Galectin 3 / biosynthesis. Gene Expression Profiling / methods. Membrane Glycoproteins / biosynthesis. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Biomarkers, Tumor / analysis. Biomarkers, Tumor / genetics. Female. Gene Expression. Humans. Immunohistochemistry. Reverse Transcriptase Polymerase Chain Reaction / methods. Tissue Array Analysis

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  • (PMID = 19291534.001).
  • [ISSN] 1465-3931
  • [Journal-full-title] Pathology
  • [ISO-abbreviation] Pathology
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Antigens, Neoplasm; 0 / Biomarkers, Tumor; 0 / DNA Primers; 0 / Galectin 3; 0 / Membrane Glycoproteins; 0 / TAA90K protein, human
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68. Wang XY, Dai JR, Zhu Z, Zhao YF, Zhou CW: [CT features of ovarian Brenner tumor and a report of 9 cases]. Zhonghua Zhong Liu Za Zhi; 2010 May;32(5):359-62
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  • [Title] [CT features of ovarian Brenner tumor and a report of 9 cases].
  • OBJECTIVE: In order to improve the preoperative diagnostic accuracy, the computed tomographic (CT) features of ovarian Brenner tumor were described and analyzed.
  • METHODS: CT image and clinical data of nine patients with pathologically confirmed Brenner tumor were collected and analyzed retrospectively.
  • There were 8 benign lesions and 1 borderline lesion.
  • Among the nine cases, 5 were benign tumors with uniform structure, 3 were benign tumors accompanied with other pathological components, and 1 was borderline tumor.
  • On the CT images, the 5 uniform benign lesions showed to be solid tumor of low density (lower than that of muscle) or with small cyst inside, two of the 5 lesions had calcification, and other 2 lesions showed slightly heterogeneous enhancement after enhanced scanning.
  • The 3 benign Brenner tumors accompanied with other pathological structures were solid-cystic or cystic, with a clear demarcation of solid and cystic components.
  • The one borderline tumor was a heterogeneous solid one and its density was higher than that of muscle, with a large proportion of low density and large calcification, and moderately enhanced after enhancing.
  • CONCLUSION: Ovarian Brenner tumors are usually unilateral and often accompanied with other type of tumor components.
  • When a tumor is of uniform component, the CT imaging often shows a homogeneous solid tumor with homogeneous or heterogeneous density.
  • When a tumor is accompanied with other tumor components, it may be solid-cystic or cystic and has partial calcification.
  • After enhancing, a benign Brenner tumor is slightly enhanced, while the borderline one is moderately/highly enhanced.
  • [MeSH-major] Brenner Tumor / radiography. Ovarian Neoplasms / radiography. Tomography, Spiral Computed / methods
  • [MeSH-minor] Aged. Carcinoma, Transitional Cell / diagnosis. Cystadenoma, Mucinous / radiography. Cystadenoma, Serous / diagnosis. Diagnosis, Differential. Female. Humans. Middle Aged. Ovary / radiography. Sex Cord-Gonadal Stromal Tumors / diagnosis

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  • (PMID = 20723434.001).
  • [ISSN] 0253-3766
  • [Journal-full-title] Zhonghua zhong liu za zhi [Chinese journal of oncology]
  • [ISO-abbreviation] Zhonghua Zhong Liu Za Zhi
  • [Language] chi
  • [Publication-type] English Abstract; Journal Article
  • [Publication-country] China
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69. Wang H, Rosen DG, Wang H, Fuller GN, Zhang W, Liu J: Insulin-like growth factor-binding protein 2 and 5 are differentially regulated in ovarian cancer of different histologic types. Mod Pathol; 2006 Sep;19(9):1149-56
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  • [Title] Insulin-like growth factor-binding protein 2 and 5 are differentially regulated in ovarian cancer of different histologic types.
  • Overexpression of IGFBP2 and IGFBP5 contributes to the invasiveness and progression of several human cancers, but their role and clinical significance in ovarian cancer has not been investigated in detail.
  • We examined IGFBP2 and IGFBP5 expression levels using two tissue microarrays, one containing six normal surface epithelium, six benign serous cysts, 10 serous borderline tumors, eight low-grade, and 20 high-grade serous carcinomas.
  • The other comprising 441 ovarian cancers of different histologic types linked to a clinicopathologic database.
  • Each tumor was sampled in duplicate with a 1.0-mm punch core needle.
  • IGFBP2 and IGFBP5 were overexpressed in high-grade serous carcinomas compared to normal surface epithelium, benign serous cysts, serous borderline tumors, or low-grade serous carcinoma.
  • They were differentially expressed in different types of ovarian carcinomas, being more often expressed at high levels in high-grade serous carcinoma, malignant mixed mullerian tumors and undifferentiated carcinoma, and more often expressed at low levels or not at all in clear cell and mucinous carcinomas.
  • We concluded that IGFBP2 and IGFBP5 might play a role in the development of high-grade ovarian serous carcinoma, but not in mucinous or clear cell ovarian carcinomas.
  • [MeSH-major] Carcinoma / metabolism. Insulin-Like Growth Factor Binding Protein 2 / metabolism. Insulin-Like Growth Factor Binding Protein 5 / metabolism. Ovarian Neoplasms / metabolism
  • [MeSH-minor] Adenocarcinoma, Clear Cell / metabolism. Adenocarcinoma, Clear Cell / mortality. Adenocarcinoma, Clear Cell / pathology. Adenocarcinoma, Mucinous / metabolism. Adenocarcinoma, Mucinous / mortality. Adenocarcinoma, Mucinous / pathology. Biomarkers, Tumor / metabolism. Carcinoma, Endometrioid / metabolism. Carcinoma, Endometrioid / mortality. Carcinoma, Endometrioid / pathology. Cystadenocarcinoma, Serous / metabolism. Cystadenocarcinoma, Serous / mortality. Cystadenocarcinoma, Serous / pathology. Female. Fluorescent Antibody Technique, Indirect. Humans. Image Processing, Computer-Assisted. Immunoenzyme Techniques. Neoplasm Staging. Survival Rate. Tissue Array Analysis

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  • [Copyright] Published online 26 May 2006.
  • (PMID = 16729015.001).
  • [ISSN] 0893-3952
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Insulin-Like Growth Factor Binding Protein 2; 0 / Insulin-Like Growth Factor Binding Protein 5
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70. Ulbright TM: Germ cell tumors of the gonads: a selective review emphasizing problems in differential diagnosis, newly appreciated, and controversial issues. Mod Pathol; 2005 Feb;18 Suppl 2:S61-79
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  • [Title] Germ cell tumors of the gonads: a selective review emphasizing problems in differential diagnosis, newly appreciated, and controversial issues.
  • Gonadal germ cell tumors continue to be the cause of diverse, diagnostically challenging issues for the pathologist, and their correct resolution often has major important therapeutic and prognostic implications.
  • Within the teratoma group, there is strong evidence that ovarian and prepubertal testicular teratomas are derived from benign germ cells, a pathogenesis that likely applies also to the rare dermoid cysts and uncommon epidermoid cysts of the testis.
  • As expected, given the foregoing, teratomas in boys are clinically benign, whereas in postpubertal males they are malignant, independent of their degree of immaturity.
  • On the other hand, immaturity is an important finding in ovarian teratomas, irrespective of age, although its significance in children has recently been challenged.
  • It is usually recognized on the basis of embryonic-appearing neuroepithelium, which shows mitotic activity and apoptosis in contrast to differentiated neuroepithelial tissues, which may occur in mature ovarian teratomas.
  • When uncommon somatic-type malignancies (usually squamous cell carcinoma) occur in mature cystic teratomas of the ovary, this is a de novo form of malignant transformation; similar tumors in the testis, a very rare event, represent overgrowth of teratomatous elements that originated from malignant, nonteratomatous germ cell tumors and, therefore, had previously undergone malignant transformation.
  • Germinomas may have several unusual features in each gonad; these include microcystic arrangements that suggest yolk sac tumor, tubular patterns that mimic Sertoli cell tumor, apparent increased cytological atypia that causes concern for embryonal carcinoma, and prominent syncytiotrophoblast giant cells that suggest choriocarcinoma.
  • A newly recognized aspect of this tumor is the propensity for some to be relatively monomorphic, making them apt to be mistaken for usual seminoma or embryonal carcinoma, although the characteristic polymorphic appearance in some foci, absence of intratubular germ cell neoplasia, unclassified type, and immunohistochemical stains should prevent this error.
  • Yolk sac tumor continues to be confused occasionally with clear cell carcinoma of the ovary.
  • The usually younger age of patients with yolk sac tumors helps with the differential considerations with the nongerm cell tumors, as do other clinical and microscopic features and selected immunohistochemical stains.
  • Syncytiotrophoblast cells alone, admixed with other forms of germ cell tumor, still are confused with choriocarcinoma, but this phenomenon, which is much more frequent than choriocarcinoma, lacks the plexiform arrangement of different trophoblast cell types that typifies the latter.
  • Mixed germ cell tumors (which may show almost any combination of components) are common in the testis but rare in the ovary.
  • A separately categorized, rare form of mixed germ cell tumor seen in both gonads is the polyembryoma.
  • It is perhaps the most photogenic of all gonadal germ cell tumors and is also intriguing because of its distinctive, organized arrangement of yolk sac tumor and embryonal carcinoma elements and recapitulation of very early embryonic development, even to the extent of having in its fundamental unit, the embryoid body, a miniature yolk sac, and amniotic cavity.
  • Embryoid bodies are also common as a minor component of many mixed germ cell tumors, particularly in the testis, and the diffuse embryoma is another variant that has a particular arrangement of yolk sac tumor and embryonal carcinoma elements.
  • Regression of gonadal germ cell tumors is a phenomenon restricted to the testis, for unknown reasons.
  • These so-called 'burnt-out' germ cell tumors can be recognized by a distinctive constellation of findings, including sometimes minor foci of residual recognizable germ cell neoplasia, a well-defined zone of scarring (often having residual ghost tubules), associated lymphoplasmacytic infiltrate, intratubular calcification and, in about 50%, of in situ germ cell neoplasia.
  • [MeSH-major] Neoplasms, Germ Cell and Embryonal / pathology. Ovarian Neoplasms / pathology. Testicular Neoplasms / pathology

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  • (PMID = 15761467.001).
  • [ISSN] 0893-3952
  • [Journal-full-title] Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
  • [ISO-abbreviation] Mod. Pathol.
  • [Language] eng
  • [Publication-type] Journal Article; Review
  • [Publication-country] United States
  • [Chemical-registry-number] 0 / Antigens, CD30; 0 / KRT7 protein, human; 0 / Keratin-7; 0 / Organic Cation Transport Proteins; 0 / solute carrier family 22 (organic cation transporter), member 3; 68238-35-7 / Keratins; EC 2.7.10.1 / Proto-Oncogene Proteins c-kit
  • [Number-of-references] 132
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