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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Assessing the reproducibility of the microscopic diagnosis of sessile serrated adenoma of the colon.

INTRODUCTION: sessile serrated adenoma (SSA) is a recently described lesion that may be related to the development of up to 15% of colorectal cancers (CRCs).

MATERIAL AND METHODS: concordance between two pathologists in the diagnosis of serrated lesions of the colon was studied for 195 lesions (187 hyperplastic polyps and 7 serrated adenomas).

Possible diagnoses were: SSA, traditional serrated adenoma (TSA), hyperplastic polyp (HP), serrated polyp, tubular adenoma, or mixed lesions.

[MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology

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(PMID = 19492901.001).

[ISSN] 1130-0108

[Journal-full-title] Revista española de enfermedades digestivas : organo oficial de la Sociedad Española de Patología Digestiva

[ISO-abbreviation] Rev Esp Enferm Dig

[Language] eng; spa

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] Spain

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Osseous metaplasia in a tubular adenoma of the colon.

Flexible sigmoidoscopy revealed a 1.5 cm polyp 30 cm from the anus.

The polyp was removed during the sigmoidoscopy by electrocautery and sent for histological examination.

The polyp was a tubular adenoma with mild dysplasia.

The adenoma contained numerous foci of metaplastic bone.

This is the first case of osseous metaplasia in a tubular adenoma of the colon to be reported.

[MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology. Ossification, Heterotopic / pathology

[MeSH-minor] Aged. Aged, 80 and over. Colon / pathology. Female. Humans. Metaplasia / pathology

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[Cites] Gastrointest Endosc. 1981 Aug;27(3):198-9 [7297837.001]

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(PMID = 15677548.001).

[ISSN] 0021-9746

[Journal-full-title] Journal of clinical pathology

[ISO-abbreviation] J. Clin. Pathol.

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] England

[Other-IDs] NLM/ PMC1770563

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Osseous metaplasia in an ulcerating tubular adenoma of the colon: a case report.

Here we report a rare case of metaplastic ossification within a benign ulcerating adenoma and review the literature concerning the aetiology.

CASE PRESENTATION: A 63-year-old woman, who presented with a history of melaena, was found at colonoscopy to have a pedunculated ulcerating polyp.

Histological examination demonstrated multiple areas of osseous metaplasia within the polyp stroma.

CONCLUSION: Heterotopic ossification in colonic adenomas is a particularly rare phenomenon, with the majority of cases occurring within malignant lesions.

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[Cites] Am J Pathol. 1955 Jan-Feb;31(1):73-91 [13218132.001]

[Cites] J R Soc Med. 1998 Aug;91(8):434-5 [9816364.001]

[Cites] J Can Assoc Radiol. 1962 Dec;13:135-9 [13960743.001]

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(PMID = 18445248.001).

[ISSN] 1752-1947

[Journal-full-title] Journal of medical case reports

[ISO-abbreviation] J Med Case Rep

[Language] eng

[Publication-type] Journal Article

[Publication-country] England

[Other-IDs] NLM/ PMC2386133

   

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Clinico-epidemiologic study of the metabolic syndrome and lifestyle factors associated with the risk of colon adenoma and adenocarcinoma.

Prevention is clearly important and the present study aimed to clarify risk factors and to promote colon cancer screening.

RESULTS: Low-grade adenoma was more frequent among the elderly and in men.

All of the men and 87.5% of the women with high-grade adenoma or adenocarcinoma were aged≥45 and≥50 years, respectively.

In women, a larger waist circumference (=80 cm) increased the odds ratio for colon adenoma or adenocarcinoma (colon tumors) by 1.033 (95% confidence index (CI), 1.001-1.066; p=0.040).

Metabolic syndrome significantly increased the odds ratio of colon tumors in men, but not in women.

Cigarette smoking, drinking alcohol, and increased physical activity were significant risk factors for colon tumors in men, with odds ratios of 1.001 (95% CI, 1.000-1.002; p=0.001), 1.001 (95% CI, 1.000-1.003; p=0.047), and 1.406 (95% CI 1.038-1.904; p=0.028), respectively.

CONCLUSIONS: Colon tumors have a high prevalence in the elderly.

A larger waist circumference in women and metabolic syndrome in both men and women elevate the risk of colon tumors.

In addition, smoking, drinking, and excessive physical activity are risk factors for adenoma and adenocarcinoma in men.

[MeSH-major] Adenocarcinoma / epidemiology. Adenoma / epidemiology. Colorectal Neoplasms / epidemiology. Metabolic Syndrome X / complications

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(PMID = 21133610.001).

[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

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] A reduced COX-2 expression and a reduced number of pericryptal myofibroblasts are associated with depressed adenoma of the colon.

The histogenesis of depressed adenoma of the colon has not been sufficiently investigated.

Pericryptal myofibroblasts are stromal cells expressing smooth muscle actin, and are involved in the differentiation and multiplication of epithelial cells in the colonic epithelium.

COX-2 has been reported to be involved in the development of colon adenoma.

We studied the histogenesis of depressed adenoma of the colon by examining the relationship between the presence of pericryptal myofibroblasts and COX-2 expression.

Twenty-one depressed adenomas of the colon that had been resected endoscopically between June 1998 and May 2003 (mild-moderate atypia; mean diameter, 6.7 mm) and 23 elevated adenomas that had been resected endoscopically in 2003 (mild-moderate atypia; mean diameter, 11.7 mm), were studied.

Eighteen (78.3%) of the 23 elevated adenomas and six (28.6%) of the 21 depressed adenomas were positive for pericryptal myofibroblasts immunohistochemically, showing a significant difference (P<0.001).

Seventeen elevated adenomas (73.9%) and eight depressed adenomas (38.1%) were positive for COX-2 expression (P=0.016).

The histogenesis of depressed adenomas differs from that of elevated adenomas.

Our results suggest that a low number of pericryptal myofibroblasts and a low COX-2 expression are associated with depressed adenomas.

[MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology. Cyclooxygenase 2 / metabolism. Fibroblasts / pathology. Membrane Proteins / metabolism. Myoblasts / pathology

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(PMID = 17487390.001).

[ISSN] 1021-335X

[Journal-full-title] Oncology reports

[ISO-abbreviation] Oncol. Rep.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Greece

[Chemical-registry-number] 0 / Actins; 0 / Membrane Proteins; EC 1.14.99.1 / Cyclooxygenase 2; EC 1.14.99.1 / PTGS2 protein, human

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] The interaction of age and hormone replacement therapy on colon adenoma risk.

BACKGROUND: Several studies have identified a possible interaction between age and hormone replacement therapy on colon neoplasm risk.

RESULTS: There was a significant interaction between age and hormone replacement therapy use (P=0.03) with current estrogen users who were over 56 years of age having a reduced odds of colon adenoma (OR, 0.40; 95% CI, 0.16-0.98) when compared to never users.

Both older women who had used hormone replacement therapy for 3 or less years (OR, 0.07; 95% CI, 0.006-0.81) and those reporting greater than 10 years of use (OR, 0.27; 95% CI, 0.09-0.80) had a reduced adjusted odds for adenomas when compared to non-users.

CONCLUSIONS: Duration of use is not likely to explain the stronger association of hormone replacement therapy use with colon neoplasm in older women.

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(PMID = 17433566.001).

[ISSN] 0361-090X

[Journal-full-title] Cancer detection and prevention

[ISO-abbreviation] Cancer Detect. Prev.

[Language] ENG

[Grant] United States / NCI NIH HHS / CA / P50 CA095103; United States / NCI NIH HHS / CA / K07 CA114029; United States / NCI NIH HHS / CA / R01 CA097386-01; United States / NCI NIH HHS / CA / K07 CA114029-01A2; United States / NCI NIH HHS / CA / R01 CA097386; United States / NCI NIH HHS / CA / P50 CA095103-01; United States / NCI NIH HHS / CA / CA95103; United States / NCI NIH HHS / CA / CA097386-01; United States / NCI NIH HHS / CA / R01 CA97386

[Publication-type] Comparative Study; Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

[Publication-country] England

[Other-IDs] NLM/ NIHMS24075; NLM/ PMC1949417

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Expression of MMP-2, HIF-1alpha and VEGF in colon adenoma and colon cancer].

BACKGROUND/AIMS: This study was aimed to investigate the expression of matrix metalloproteinase-2 (MMP-2), hypoxia-inducible factor (HIF)-1alpha, and vascular endothelial growth factor (VEGF) in colonic adenoma-carcinoma sequence.

METHODS: Thirty-two tissue samples of colon adenoma, 11 of early colon cancer and 36 of advanced colon cancer were collected by colonoscopic biopsy.

Normal colonic tissues were also collected from the same subjects.

RESULTS: The expression level of MMP-2 mRNA showed a progressive increase in the advance of the colorectal adenoma-carcinoma sequence (p<0.05).

In colon cancer tissues, the expression level of MMP-2 mRNA showed an increasing trend according to differentiation, lymphatic invasion and Dukes' stage (p<0.05).

The mRNA expression levels of HIF-1alpha and VEGF were greater in tissues of early and advanced colon cancer compared with colon adenoma (p<0.05; p<0.001).

CONCLUSIONS: MMP-2, HIF-1alpha, and VEGF may be useful in detecting early carcinogenesis and progression of colon cancer.

[MeSH-major] Adenoma / metabolism. Colonic Neoplasms / metabolism. Hypoxia-Inducible Factor 1, alpha Subunit / metabolism. Matrix Metalloproteinase 2 / metabolism. Vascular Endothelial Growth Factor A / metabolism

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(PMID = 18172354.001).

[ISSN] 1598-9992

[Journal-full-title] The Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi

[ISO-abbreviation] Korean J Gastroenterol

[Language] kor

[Publication-type] English Abstract; Journal Article

[Publication-country] Korea (South)

[Chemical-registry-number] 0 / Hypoxia-Inducible Factor 1, alpha Subunit; 0 / RNA, Messenger; 0 / Vascular Endothelial Growth Factor A; EC 3.4.24.24 / Matrix Metalloproteinase 2

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Abdominal obesity, insulin resistance, and the risk of colonic adenoma].

BACKGROUND/AIMS: Abdominal obesity and hyperinsulinemia or insulin resistance are of interest in connection with colon carcinogenesis.

We conducted a prospective case controlled study for the evaluation of relationship between abdominal obesity, insulin resistance, and colorectal adenoma.

METHODS: Fifty patients with colorectal adenoma and fifty healthy subjects were included in this study.

RESULTS: There were no differences in sex, serum insulin, FBS, HOMA-IR, TG, CROL between adenoma and control group.

Subjects with high BMI, WHR, percent body fat, and obesity were more likely to have colonic adenoma.

Multiple logistic regression analysis after adjusting confounding factors, had revealed that WHR was the most important independent risk factor for colon adenoma.

CONCLUSIONS: Abdominal obesity was most closely related to colonic adenoma.

However, insulin resistance was not related to colonic adenoma.

[MeSH-major] Abdominal Fat. Adenoma / etiology. Colonic Neoplasms / etiology. Insulin Resistance. Obesity / complications

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[CommentIn] Korean J Gastroenterol. 2007 Mar;49(3):192-5 [18172350.001]

(PMID = 18172342.001).

[ISSN] 1598-9992

[Journal-full-title] The Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi

[ISO-abbreviation] Korean J Gastroenterol

[Language] kor

[Publication-type] English Abstract; Journal Article

[Publication-country] Korea (South)

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Pathologic quiz case: a 44-year-old woman with a tubulovillous adenoma of the colon and liver and bone lesions. Small cell (neuroendocrine) carcinoma of the colon with metastasis and an associated, overlying villous adenoma.

[MeSH-major] Adenoma, Villous / diagnosis. Bone Neoplasms / secondary. Carcinoma, Small Cell / diagnosis. Carcinoma, Small Cell / secondary. Colonic Neoplasms / diagnosis. Liver Neoplasms / secondary. Neoplasms, Multiple Primary / diagnosis

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(PMID = 15737043.001).

[ISSN] 1543-2165

[Journal-full-title] Archives of pathology & laboratory medicine

[ISO-abbreviation] Arch. Pathol. Lab. Med.

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] United States

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Serrated adenoma of the colon: an under-recognized premalignant variant of adenomatous polyp.

[MeSH-major] Adenoma / pathology. Adenomatous Polyps / pathology. Colorectal Neoplasms / pathology. Precancerous Conditions / pathology

[MeSH-minor] Adult. Age Distribution. Aged. Aged, 80 and over. Biopsy, Needle. Cohort Studies. Colectomy / methods. Colonic Polyps / epidemiology. Colonic Polyps / pathology. Colonic Polyps / surgery. Female. Humans. Immunohistochemistry. Incidence. Male. Middle Aged. Prognosis. Retrospective Studies. Risk Assessment. Sex Distribution. Survival Analysis. Treatment Outcome

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(PMID = 21396285.001).

[ISSN] 0003-1348

[Journal-full-title] The American surgeon

[ISO-abbreviation] Am Surg

[Language] eng

[Publication-type] Letter

[Publication-country] United States

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Mantle cell lymphoma in a tubular adenoma: unusual presentation with synchronous colonic carcinoma.

Colonoscopy at this time revealed 3 colonic tubular adenomas.

Reassessment of the histology of the colonic polyps and appropriate immunohistochemical stains showed that the lamina propria of one of the tubular adenomas was infiltrated by MCL.

Reexamination of the sections taken at the time of the original sigmoidectomy showed MCL in 2 of the regional lymph nodes removed at that time, but no evidence of lymphoma in the colon was found.

To our knowledge, this is the fifth reported case of synchronous occurrence of intestinal MCL and colonic carcinoma and the first report of MCL presenting in a tubular adenoma of the colon.

[MeSH-minor] Aged, 80 and over. Bone Marrow / pathology. Colonic Polyps / pathology. Humans. Lymph Nodes / pathology. Male

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(PMID = 19118782.001).

[ISSN] 1532-8198

[Journal-full-title] Annals of diagnostic pathology

[ISO-abbreviation] Ann Diagn Pathol

[Language] eng

[Publication-type] Journal Article

[Publication-country] United States

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

The authors aimed at evaluating CD24 protein expression in adenoma and adenocarcinoma of the stomach, colon, gallbladder, ovary, and breast to establish a correlation with clinicopathologic data.

The present study clearly demonstrates that CD24 is abundantly expressed in adenocarcinoma compared to adenoma of the colon and breast.

Intracytoplasmic CD24 expression was found to be highly associated with adenocarcinoma of the colon, gallbladder, and ovary compared to the adenoma group of those organs, and with the positive nodal status compared to the negative nodal status of the colonic adenocarcinoma.

[MeSH-major] Adenocarcinoma / metabolism. Adenoma / metabolism. Antigens, CD / biosynthesis. Biomarkers, Tumor / analysis. Membrane Glycoproteins / biosynthesis

[MeSH-minor] Adult. Aged. Aged, 80 and over. Antigens, CD24. Breast Neoplasms / metabolism. Breast Neoplasms / pathology. Colonic Neoplasms / metabolism. Colonic Neoplasms / pathology. Female. Gallbladder Neoplasms / metabolism. Gallbladder Neoplasms / pathology. Humans. Immunohistochemistry. Lymphatic Metastasis / pathology. Male. Middle Aged. Ovarian Neoplasms / metabolism. Ovarian Neoplasms / pathology. Stomach Neoplasms / metabolism. Stomach Neoplasms / pathology

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(PMID = 16164042.001).

[ISSN] 0344-0338

[Journal-full-title] Pathology, research and practice

[ISO-abbreviation] Pathol. Res. Pract.

[Language] eng

[Publication-type] Comparative Study; Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] Germany

[Chemical-registry-number] 0 / Antigens, CD; 0 / Antigens, CD24; 0 / Biomarkers, Tumor; 0 / CD24 protein, human; 0 / Membrane Glycoproteins

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Then, the results of a randomized double-blind clinical test that examined the regressive effect of a COX-2-specific inhibitor on adenoma of familial adenomatous polyposis (FAP) are presented.

These results suggest that a higher dose of COX-2 inhibitors has a suppressive effect on adenoma of the colon and rectum, although a moderate clinical dose of COX-2 inhibitors does not induce clinically effective suppression of adenoma.

[MeSH-major] Anti-Inflammatory Agents, Non-Steroidal / therapeutic use. Colorectal Neoplasms / prevention & control. Cyclooxygenase 2 Inhibitors / therapeutic use

[MeSH-minor] Adenoma / pathology. Adenoma / prevention & control. Adenomatous Polyposis Coli / drug therapy. Adenomatous Polyposis Coli / pathology. Clinical Trials as Topic. Dose-Response Relationship, Drug. Humans. Practice Guidelines as Topic

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(PMID = 19148797.001).

[ISSN] 0944-1174

[Journal-full-title] Journal of gastroenterology

[ISO-abbreviation] J. Gastroenterol.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Japan

[Chemical-registry-number] 0 / Anti-Inflammatory Agents, Non-Steroidal; 0 / Cyclooxygenase 2 Inhibitors

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] The first case of endoscopic submucosal dissection of cecal adenoma in Serbia.

In 2006, we performed a colonic ESD in Serbia.

The adenoma was removed en bloc and prepared for further histopathological examination.

Histopathological examination showed that the tumor was a "flat adenoma" of the colon mucosa with a low grade dysplasia.

[MeSH-major] Adenoma / surgery. Cecal Neoplasms / surgery. Colonoscopy

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(PMID = 19514597.001).

[ISSN] 0025-8105

[Journal-full-title] Medicinski pregled

[ISO-abbreviation] Med. Pregl.

[Language] eng; srp

[Publication-type] Case Reports; Journal Article

[Publication-country] Serbia

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Transliterated title] Raumforderungen im kleinen Becken aus Sicht des Urologen.

Benign tumors such as endometrial myoma, ovarian cyst and adenoma of the colon might lead to the development of urogenital symptoms.

This is also the case with malignant tumors of the uterus, ovaries, cervix and colon where infiltration of the urogenital organs might be noted.

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(PMID = 17948757.001).

[ISSN] 0040-5930

[Journal-full-title] Therapeutische Umschau. Revue thérapeutique

[ISO-abbreviation] Ther Umsch

[Language] ger

[Publication-type] English Abstract; Journal Article

[Publication-country] Switzerland

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] A case of metastatic epithelioid angiosarcoma in the lamina propria of a sigmoid tubulovillous adenoma.

We report a case of epithelioid angiosarcoma with multiple bilateral lung infiltration, bone metastasis, and metastasis of the lamina propria of a tubulovillous adenoma of the colon.

[MeSH-major] Adenoma / pathology. Basement Membrane / pathology. Epithelioid Cells / pathology. Hemangiosarcoma / pathology. Hemangiosarcoma / secretion. Sigmoid Neoplasms / pathology

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(PMID = 15948556.001).

[ISSN] 0300-8916

[Journal-full-title] Tumori

[ISO-abbreviation] Tumori

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] United States

[Chemical-registry-number] 0 / Platelet Endothelial Cell Adhesion Molecule-1

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Additional evidences came from pre-malignant lesions of glandular epithelia, in which the angiogenic switch was demonstrated by the immunohistochemical expression of VEGF in gastric metaplasia and dysplasia, in atypical adenoma of the colon, atypical hyperplasia and carcinoma in situ of the breast and others.

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(PMID = 19406633.001).

[ISSN] 1879-0852

[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; Review

[Publication-country] England

[Chemical-registry-number] 0 / Antigens, CD31; 0 / Antigens, CD34; 0 / Biomarkers; 0 / Ki-67 Antigen; 0 / Vascular Endothelial Growth Factor A

[Number-of-references] 93

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] A comparison of magnifying chromoendoscopy versus histopathology of forceps biopsy specimen in the diagnosis of minute flat adenoma of the colon.

Having noted a discrepancy between endoscopic and histopathological diagnoses in cases of minute adenomas of the colon, a prospective study was designed to clarify which is appropriate, magnifying chromoendoscopy or histopathology of a specimen obtained by biopsy forceps.

Comparison of the initial diagnoses between groups A and B showed that a total of 84.6% (88/104) of the lesions were diagnosed to be tubular adenomas histopathologically in group A, compared with 100% (104/104) in group B (P < 0.0001).

Results for comparison of the secondary diagnoses between group A and group B showed that 14 of the 16 lesions were diagnosed as tubular adenomas histopathologically.

Thereafter, 98.1% (102/104) of the lesions were diagnosed to be tubular adenomas histopathologically in group A (P = 0.4976).

In conclusion, high-resolution magnifying chromoendoscopy is an appropriate procedure for the diagnosis of minute adenomas in comparison with histopathology of specimens obtained by biopsy forceps in this prospective study.

[MeSH-major] Adenoma / diagnosis. Colonic Neoplasms / diagnosis. Colonoscopy / methods

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[Cites] Cancer. 1996 Feb 15;77(4):621-6 [8616752.001]

[Cites] Gastrointest Endosc. 1984 Feb;30(1):1-5 [6706081.001]

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(PMID = 19037726.001).

[ISSN] 1573-2568

[Journal-full-title] Digestive diseases and sciences

[ISO-abbreviation] Dig. Dis. Sci.

[Language] eng

[Publication-type] Clinical Trial; Comparative Study; Journal Article

[Publication-country] United States

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

: 11059 Background: Since the pathologic stage is the most powerful prognostic factor for colorectal cancer (CRC), there is a strong need of non-invasive methods for early detection.

METHODS: cfDNA was extracted from plasma samples from 136 patients with primary CRC at different stages [median age 64 yrs; male/female 78/58; stages I-II, 61; stages III-IV, 75], and from 24 patients with adenomas [median age 67 yrs; male/female 17/7)] and from 55 clean-colon healthy subjects [median age 56 yrs; male/female 13/43).

The levels of cfDNA (ALU-115, ALU-247) of CRC patients (stages I-II and stages III-IV) were compared with those of healthy subjects and patients with adenoma.

RESULTS: The median concentrations of total cfDNA (ALU115) in the plasma samples from patients with stages III-IV and stages I-II CRC, adenoma and normal controls were 52,4, 11.9; 1.9, and 1.7 ng/ml, respectively (p<.0001).

With a cut-off of 4.86 ng/ml, total DNA (ALU115) showed a sensitivity of 78.52 (95% CI 70.6-85.1) and a specificity of 86.08 (95% CI 76.4-92.8) in distinguishing patients with CRC from non-CRC [AUC: 0.860 (95% CI 0.81-0,90), p-value=.0001].

With a cut-off of 3.04, cfDNA tumor-related (ALU247) showed a sensitivity of 77.94 (95% CI 70.0-84.6) and a specificity of 82.28 (95% CI 72.1-90.0) in distinguishing patients with CRC from non-CRC [AUC: 0.864 (95% CI 0.81-0,91), p-value=.0001].

CONCLUSIONS: Both ALU115 and ALU 247 fragments of circulating cfDNA seem promising non-invasive molecular markers of detection and progression of CRC.

The findings of the current study require to be confirmed on larger cohorts of patients with CRC and colonic adenoma.

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(PMID = 27963165.001).

[ISSN] 1527-7755

[Journal-full-title] Journal of clinical oncology : official journal of the American Society of Clinical Oncology

[ISO-abbreviation] J. Clin. Oncol.

[Language] eng

[Publication-type] Journal Article

[Publication-country] United States

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A specific mutation of keratin 8 (G61C) was found to be a genetic risk factor for the development of cryptogenic liver cirrhosis.

Also, one out 45 disease control patients with an adenoma of the colon but without liver disease was found to carry the mutation G61C of cytokeratin 8.

Two of 15 patients (13.3%) with cryptogenic liver disease had the mutation G61C in cytokeratin 8 (P = 0.069 vs patients with non-cryptogenic liver disease).

Genetic Alliance. consumer health - Liver Disease.

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(PMID = 16911694.001).

[ISSN] 0815-9319

[Journal-full-title] Journal of gastroenterology and hepatology

[ISO-abbreviation] J. Gastroenterol. Hepatol.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Australia

[Chemical-registry-number] 0 / Keratin-18; 0 / Keratin-8

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Colonic adenoma with squamous metaplasia.

Squamous metaplasia arising within colon adenomas is a rare occurrence, with a 0.4% incidence noted predominantly in elderly males.

A case of squamous metaplasia arising in a tubulovillous adenoma of the cecum, associated with adenocarcinoma, is described.

[MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology

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(PMID = 18701516.001).

[ISSN] 1066-8969

[Journal-full-title] International journal of surgical pathology

[ISO-abbreviation] Int. J. Surg. Pathol.

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] United States

[Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / beta Catenin

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Colon adenoma detection using Kubelka-Munk spectral function of DNA and protein bands].

Differential diagnosis of human colon adenoma was studied using the Kubelka-Munk spectral function of the DNA and protein absorption bands at 260 and 280 nm in vitro.

The results of measurement showed that for the spectral range from 590 to 1 064 nm pathological changes of colon epithelial tissues were induced so that there were significant differences in the averaged values of the Kubelka-Munk function f(r infinity) and logarithmic Kubelka-Munk function log [f(r infinity)] of the DNA absorption bands at 260 nm between normal and adenomatous colon epithelial tissues, and the differences were 218% (p < 0.05) and 68.5% (p < 0.05) respectively.

Pathological changes of colon epithelial tissues were induced so that there were significant differences in the averaged values of the Kubelka-Munk function f(r infinity) and logarithmic Kubelka-Munk function log [f(r infinity)] of the protein absorption bands at 280 nm between normal and adenomatous colon epithelial tissues, and the differences were 208% (p < 0.05) and 59.0% (p < 0.05) respectively.

Pathological changes of colon epithelial tissues were induced so that there were significant differences in the averaged values of the Kubelka-Munk function f(r infinity) and logarithmic Kubelka-Munk function log [f(r infinity)] of the beta-carotene absorption bands at 480 nm between normal and adenomatous colon epithelial tissues, and the differences were 41.7% (p < 0.05) and 32.9% (p < 0.05) respectively.

Obviously, pathological changes of colon epithelial tissues were induced so that there were significant changes in the contents of the DNA, protein and beta-carotene of colon epithelial tissues.

The conclusion can be applied to rapid, low-cost and noninvasive optical biopsy of colon adenoma, and provides a useful reference.

[MeSH-major] Adenoma / diagnosis. Colonic Neoplasms / diagnosis. DNA / chemistry. Proteins / chemistry. Spectrum Analysis

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(PMID = 19810511.001).

[ISSN] 1000-0593

[Journal-full-title] Guang pu xue yu guang pu fen xi = Guang pu

[ISO-abbreviation] Guang Pu Xue Yu Guang Pu Fen Xi

[Language] chi

[Publication-type] English Abstract; Journal Article

[Publication-country] China

[Chemical-registry-number] 0 / Proteins; 9007-49-2 / DNA

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Apple polyphenols and products formed in the gut differently inhibit survival of human cell lines derived from colon adenoma (LT97) and carcinoma (HT29).

Here, apple polyphenols were studied for effects on the survival of colon adenoma (LT97) and carcinoma-derived (HT29) cell lines.

[MeSH-major] Cell Survival / drug effects. Colonic Neoplasms / pathology. Fermentation. Flavonoids / pharmacology. Fruit / chemistry. Malus / chemistry. Phenols / pharmacology

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(PMID = 17378580.001).

[ISSN] 0021-8561

[Journal-full-title] Journal of agricultural and food chemistry

[ISO-abbreviation] J. Agric. Food Chem.

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] United States

[Chemical-registry-number] 0 / Flavonoids; 0 / Phenols; 0 / Plant Extracts; 0 / Polyphenols

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Pseudoinvasion in an adenomatous polyp of the colon mimicking invasive colon cancer.

Pseudoinvasion or pseudocarcinomatous invasion in an adenomatous polyp of the colon can be unfamiliar to an endoscopist.

Pseudoinvasion in an adenomatous polyp represents prolapse of the adenomatous epithelium into its stalk.

In most cases its morphology does not differ from of general adenomatous polyps, but in some cases it can morphologically mimic a malignant polyp with submucosal invasion due to mass-like lesioning of its stalk.

This makes it difficult for endoscopists to differentiate pseudoinvasion in an adenoma from an invasive carcinoma by conventional endoscopy; instead, endoscopic ultrasonography can provide useful information for differentiating these conditions.

We report on an 82-year-old man who presented with a large pedunculated polyp with a thick stalk in the sigmoid colon, which mimicked a submucosal invasive carcinoma.

The patient was diagnosed with pseudoinvasion in an adenomatous polyp after segmental resection of the sigmoid colon.

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[Cites] J Clin Pathol. 1973 Jan;26(1):25-31 [4540378.001]

[Cites] Cancer. 1974 Jan;33(1):206-17 [4810096.001]

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(PMID = 20431736.001).

[ISSN] 2005-1212

[Journal-full-title] Gut and liver

[ISO-abbreviation] Gut Liver

[Language] eng

[Publication-type] Journal Article

[Publication-country] Korea (South)

[Other-IDs] NLM/ PMC2852693

[Keywords] NOTNLM ; Adenomatous polyps / EUS / Malignant polyp / Pseudoinvasion

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Long-term use of progestogens: colon adenoma and colon carcinoma.

Colon cancer is the second most common cancer in women in the Western world and there is a trend towards an increasing risk.

Colon adenoma is a potential precursor for colon cancer.

Adenoma and carcinoma of the colon seem to be influenced by estrogens and progesterone/progestins.

This is related to the presence of estrogen and progesterone receptors, with apparently higher concentrations in colon cancers than in adenomas.

Epidemiological data and the finding of a significant reduction in colon cancer risk related to hormone replacement therapy (HRT), and in particular the length of HRT intake, indicate that progesterone/progestins have a preventive effect.

Furthermore, the recurrence rate of adenoma appears to be reduced, and the survival of colon cancer patients improved, with HRT; such effects have not been documented with ERT.

[MeSH-major] Adenoma / prevention & control. Carcinoma / prevention & control. Colonic Neoplasms / prevention & control. Hormone Replacement Therapy. Progestins / administration & dosage

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(PMID = 17943538.001).

[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; Review

[Publication-country] England

[Chemical-registry-number] 0 / Progestins

[Number-of-references] 22

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] An association between obesity and the prevalence of colonic adenoma according to age and gender.

BACKGROUND: Epidemiologic data on obesity as a risk factor for colonic adenoma with respect to gender have not yet been confirmed.

Here, we aimed to compare the prevalence of colonic adenoma and of advanced polyps in age-stratified men and women at baseline, to examine the role of body mass index (BMI) on colonic adenoma risk according to age and gender, and to examine the influence of menopausal status.

BMI was assessed, and histology, size, and location of the adenoma were examined for each patient.

RESULTS: A significant increase in the prevalence of colonic adenoma and of advanced polyps was found to occur with age (P for trend < 0.01).

The prevalences of adenoma and advanced polyps were higher in men in most age groups (P < 0.01), but no significant difference in prevalences was observed between genderes in patients 70 years of age or older.

Moreover, a positive association between BMI and the prevalence of colonic adenoma and advanced polyps was shown in relatively young individuals of both gender (men in their thirties, P < 0.05; women in their forties, P < 0.05), and premenopausal women according to hormonal status (P = 0.01).

CONCLUSIONS: Our data suggest that obesity increases the risk of colonic adenoma in relatively young people and in premenopausal women subject to estrogen effects.

[MeSH-major] Adenoma / epidemiology. Colonic Neoplasms / epidemiology. Obesity / complications

[MeSH-minor] Adult. Age Factors. Aged. Biopsy. Body Mass Index. Colonic Polyps / epidemiology. Colonic Polyps / etiology. Colonic Polyps / pathology. Colonoscopy. Female. Humans. Korea / epidemiology. Male. Menopause. Middle Aged. Prevalence. Retrospective Studies. Risk Factors. Sex Factors

Genetic Alliance. consumer health - Obesity.

MedlinePlus Health Information. consumer health - Obesity.

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(PMID = 17701124.001).

[ISSN] 0944-1174

[Journal-full-title] Journal of gastroenterology

[ISO-abbreviation] J. Gastroenterol.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Japan

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Decreased histamine catabolism in the colonic mucosa of patients with colonic adenoma.

INTRODUCTION: Alterations in mucosal histamine degradation play an important role in various gastrotinestinal diseases including colonic adenoma.

METHODS: About 94 colonic biopsies were endoscopically obtained from 23 patients suffering from colonic adenoma and 26 biopsies from six healthy individuals.

RESULTS: In adenoma patients DAO activities were slightly and HNMT activities were significantly decreased in normal mucosa compared to controls.

Activities of both enzymes were significantly lower in adenoma tissue than in healthy mucosa in the same patients.

Histamine concentrations were elevated in adenoma patients.

CONCLUSIONS: Histamine catabolism is decreased in the colonic mucosa of patients with colonic adenoma.

[MeSH-major] Adenoma / metabolism. Colonic Neoplasms / metabolism. Histamine / metabolism. Intestinal Mucosa / metabolism

[MeSH-minor] Adenoma, Villous / metabolism. Adult. Aged. Amine Oxidase (Copper-Containing) / metabolism. Female. Histamine N-Methyltransferase / metabolism. Humans. Male. Middle Aged

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(PMID = 17562176.001).

[ISSN] 0163-2116

[Journal-full-title] Digestive diseases and sciences

[ISO-abbreviation] Dig. Dis. Sci.

[Language] eng

[Publication-type] Journal Article

[Publication-country] United States

[Chemical-registry-number] 820484N8I3 / Histamine; EC 1.4.3.21 / Amine Oxidase (Copper-Containing); EC 2.1.1.8 / Histamine N-Methyltransferase

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Association of the TCF7L2 polymorphism with colorectal cancer and adenoma risk.

We evaluated the association of a polymorphism in TCF7L2 (RS12255372) in the WNT signaling pathway, which previously has been strongly associated with risk of Type II Diabetes, with colorectal cancer (CRC) and adenoma in the prospective Nurses' Health Study (NHS) and Health Professionals Follow-up Study (HPFS) cohorts.

Hyperinsulinemia may be related to the risk of colon adenoma and cancer, therefore this variant associated with reduced insulin secretion would be predicted to be inversely associated with colorectal cancer.

Genetic Alliance. consumer health - Colorectal Cancer.

MedlinePlus Health Information. consumer health - Colorectal Cancer.

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(PMID = 18478343.001).

[ISSN] 0957-5243

[Journal-full-title] Cancer causes & control : CCC

[ISO-abbreviation] Cancer Causes Control

[Language] ENG

[Grant] United States / NCI NIH HHS / CA / CA87969; United States / NCI NIH HHS / CA / T-32 CA 09001-30; United States / NCI NIH HHS / CA / K07 CA107412; United States / NCI NIH HHS / CA / CA70817; United States / NCI NIH HHS / CA / CA55075; United States / NCI NIH HHS / CA / CA107412-03; United States / NCI NIH HHS / CA / K07 CA107412-03

[Publication-type] Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

[Publication-country] Netherlands

[Chemical-registry-number] 0 / TCF Transcription Factors; 0 / TCF7L2 protein, human; 0 / Transcription Factor 7-Like 2 Protein

[Other-IDs] NLM/ NIHMS124556; NLM/ PMC2719293

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Genetic polymorphisms in vitamin D receptor VDR/RXRA influence the likelihood of colon adenoma recurrence.

No gene-level associations were observed for VDR, nor was any single SNP in VDR related to any metachronous adenoma after correction for multiple comparisons.

Haplotypes within linkage blocks of RXRA support an approximately 30% reduction in odds of metachronous neoplasia arising in the proximal colon among carriers of specific haplotypes, which was strongest (OR(proximal), 0.67; 95% CI, 0.52-0.86) for carriers of a CGGGCA haplotype (rs1805352, rs3132297, rs3132296, rs3118529, rs3118536, and rs7861779).

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(PMID = 20145122.001).

[ISSN] 1538-7445

[Journal-full-title] Cancer research

[ISO-abbreviation] Cancer Res.

[Language] ENG

[Grant] United States / NCI NIH HHS / CA / K07 CA106269; United States / NCI NIH HHS / CA / CA023074-22S1; United States / NCI NIH HHS / CA / P50 CA095060-01; United States / NCI NIH HHS / CA / P30 CA023074; United States / NCI NIH HHS / CA / K07CA106269; United States / NCI NIH HHS / CA / CA95060; United States / NCI NIH HHS / CA / CA77145; United States / NCI NIH HHS / CA / P01 CA041108; United States / NCI NIH HHS / CA / CA23074; United States / NCI NIH HHS / CA / CA095060-01; United States / NCI NIH HHS / CA / P50 CA095060; United States / NCI NIH HHS / CA / R01 CA123065; United States / NCI NIH HHS / CA / K07 CA106269-01A1; United States / NCI NIH HHS / CA / P30 CA023074-22S1; United States / NCI NIH HHS / CA / P01 CA041108-13; United States / NCI NIH HHS / CA / P01CA41108; United States / NCI NIH HHS / CA / CA041108-13; United States / NCI NIH HHS / CA / CA106269-01A1

[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 / Receptors, Calcitriol; 0 / Retinoid X Receptor alpha

[Other-IDs] NLM/ NIHMS262521; NLM/ PMC3019606

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Meat mutagens and risk of distal colon adenoma in a cohort of U.S. men.

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline (MeIQx), 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 2-amino-3,4,8-trimethylimidazo[4,5,-f]quinoxaline (DiMeIQx), and meat-derived mutagenicity (MDM) and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

Between 1996 and 2002, 581 distal colon adenoma cases were identified.

Higher intake of MDM was marginally associated with increased risk of distal adenoma [fourth versus lowest quintile: odds ratio (OR), 1.39; 95% confidence interval (95% CI), 1.05-1.84; highest versus lowest quintile: OR, 1.29; 95% CI, 0.97-1.72; P(trend) = 0.08].

Our data also suggested a positive association between higher MeIQx (highest versus lowest quintile: OR, 1.28; 95% CI, 0.95-1.71; P(trend) = 0.22) and risk of adenoma, but this association was attenuated after adjusting for processed meat intake.

DiMeIQx and PhIP did not seem to be associated with risk of adenoma.

In conclusion, higher consumption of mutagens from meats cooked at higher temperature and longer duration may be associated with higher risk of distal colon adenoma independent of overall meat intake.

Because mutagens other than heterocyclic amines also contribute to MDM, our results suggest that mutagens other than heterocyclic amines in cooked meats may also play a role in increasing the risk of distal adenoma.

[MeSH-major] Adenoma / etiology. Colonic Neoplasms / etiology. Meat. Mutagens / adverse effects

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(PMID = 16775169.001).

[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 / NCI NIH HHS / CA / CA 55075; United States / NCI NIH HHS / CA / CA95589

[Publication-type] Journal Article; Research Support, N.I.H., Extramural

[Publication-country] United States

[Chemical-registry-number] 0 / Amines; 0 / Mutagens

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Nitric oxide impairs the 17beta-estradiol-induced apoptosis in human colon adenocarcinoma cells.

By contrast, E2 reduces the incidence of colon adenoma and carcinoma by about 30%.

We report the genomic and non-genomic E2-estrogen receptor (ER) beta-induced effects in human colon adenocarcinoma.

The E2-ERbeta-dependent gene transcription was inhibited by exogenous NO, whereas some non-genomic E2-dependent effects (e.g. p38/MAP kinase), important for the activation of the apoptotic cascade, were unaffected by NO.

However, NO impaired the E2-induced pro-apoptotic cascade in human colon adenocarcinoma cells by inhibiting caspase-3.

On the whole, high NO concentrations suppressed the E2 protective effects in the gastrointestinal tract, suggesting that the caspase-dependent apoptotic cascade may become critical under conditions of high redox stress such as occur under specific activation of the immune system by chronic infections or pathogen challenge.

[MeSH-major] Adenocarcinoma / metabolism. Apoptosis / drug effects. Caspase Inhibitors. Colonic Neoplasms / metabolism. Estrogen Receptor beta / antagonists & inhibitors. Nitric Oxide / toxicity

Hazardous Substances Data Bank. NITRIC OXIDE .

Hazardous Substances Data Bank. ESTRADIOL .

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(PMID = 16728582.001).

[ISSN] 1351-0088

[Journal-full-title] Endocrine-related cancer

[ISO-abbreviation] Endocr. Relat. Cancer

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] England

[Chemical-registry-number] 0 / Caspase Inhibitors; 0 / Estrogen Receptor beta; 31C4KY9ESH / Nitric Oxide; 4TI98Z838E / Estradiol; EC 3.4.22.- / CASP3 protein, human; EC 3.4.22.- / Caspase 3; EC 3.4.22.- / Caspases; K848JZ4886 / Cysteine

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Invasive carcinoma arising from a colonic adenoma with clear cell change.

Clear cell change (CCC) in colonic adenoma is rare, and its biological and clinical significance remains unknown.

Malignant progression of an adenoma with CCC has seldom been reported.

We report a case of a sigmoid adenoma with multiple foci of CCC associated with high-grade dysplasia and invasive carcinoma in a 62-year-old patient.

We evaluated the histochemical and immunohistochemical characteristics of each component of the adenoma.

In contrast to other parts of the adenoma, p53 was strongly and diffusely overexpressed in the areas of CCC, high-grade dysplasia, and carcinoma.

The MIB-1 labeling index was also significantly higher in these components than in other parts of the adenoma.

In conclusion, our findings suggest that CCC in adenoma may be associated with malignant progression of the adenoma.

Hence, for practical purposes, we recommend considering CCC in colonic adenomas as a high-grade dysplasia equivalent and following up the patient accordingly.

[MeSH-major] Adenoma / pathology. Sigmoid Neoplasms / pathology

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(PMID = 18602669.001).

[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 / Carcinoembryonic Antigen; 0 / Tumor Suppressor Protein p53

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Oxidative stress and 8-oxoguanine repair are enhanced in colon adenoma and carcinoma patients.

Oxidative stress is involved in the pathogenesis of colon cancer.

In the examined groups of patients with colorectal cancer (CRC, n = 89), benign adenoma (AD, n = 77) and healthy volunteers (controls, n = 99), we measured: vitamins A, C and E in blood plasma, 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-oxo-7,8-dihydroguanine (8-oxoGua) in leukocytes and urine, leukocyte 8-oxoGua excision activity, mRNA levels of APE1, OGG1, 8-oxo-7,8-dihydrodeoxyguanosine 5'-triphosphate pyrophosphohydrolase (MTH1) and OGG1 polymorphism.

The vitamin levels decreased gradually in AD and CRC patients.

8-OxodG increased in leukocytes and urine of CRC and AD patients.

8-OxoGua excision was higher in CRC patients than in controls, in spite of higher frequency of the OGG1 Cys326Cys genotype, encoding a glycosylase with decreased activity. mRNA levels of OGG1 and APE1 increased in CRC and AD patients, which could explain increased 8-oxoGua excision rate in CRC patients.

The results suggest that oxidative stress occurs in CRC and AD individuals.

[MeSH-major] Adenoma / metabolism. Carcinoma / metabolism. Colonic Neoplasms / metabolism. DNA Repair / genetics. Deoxyguanosine / analogs & derivatives. Oxidative Stress / genetics

[MeSH-minor] Adenomatous Polyps / blood. Adenomatous Polyps / metabolism. Adult. Aged. Aging / genetics. Antioxidants / metabolism. Case-Control Studies. DNA Glycosylases / genetics. DNA Glycosylases / metabolism. DNA Repair Enzymes / genetics. DNA Repair Enzymes / metabolism. DNA, Neoplasm / metabolism. DNA-(Apurinic or Apyrimidinic Site) Lyase / genetics. DNA-(Apurinic or Apyrimidinic Site) Lyase / metabolism. Female. Gene Expression Regulation, Neoplastic. Humans. Male. Middle Aged. Neoplasm Staging. Phosphoric Monoester Hydrolases / genetics. Phosphoric Monoester Hydrolases / metabolism. Polymorphism, Single Nucleotide / genetics. RNA, Messenger / genetics. RNA, Messenger / metabolism. Sex Characteristics. Smoking / adverse effects. Smoking / genetics

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(PMID = 20534734.001).

[ISSN] 1464-3804

[Journal-full-title] Mutagenesis

[ISO-abbreviation] Mutagenesis

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] England

[Chemical-registry-number] 0 / Antioxidants; 0 / DNA, Neoplasm; 0 / RNA, Messenger; 88847-89-6 / 8-oxo-7-hydrodeoxyguanosine; EC 3.1.3.- / Phosphoric Monoester Hydrolases; EC 3.1.6.- / 8-oxodGTPase; EC 3.2.2.- / DNA Glycosylases; EC 3.2.2.- / oxoguanine glycosylase 1, human; EC 4.2.99.18 / APEX1 protein, human; EC 4.2.99.18 / DNA-(Apurinic or Apyrimidinic Site) Lyase; EC 6.5.1.- / DNA Repair Enzymes; G9481N71RO / Deoxyguanosine

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Clinical and pathologic features of an adenomatous polyp of the colon in a domestic ferret (Mustela putorius furo).

A 6-year-old castrated male domestic ferret (Mustela putorius furo) with a 4-week history of intermittent diarrhea and straining during defecation had an intraluminal mass in the descending colon identified by abdominal ultrasound.

The histopathological diagnosis of the resected mass was an adenomatous polyp of the colon.

[MeSH-major] Adenomatous Polyps / veterinary. Colonic Polyps / veterinary. Ferrets

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[Cites] J Am Anim Hosp Assoc. 1997 Mar-Apr;33(2):156-60 [9111726.001]

[Cites] J Am Vet Med Assoc. 1998 May 1;212(9):1402-6 [9589126.001]

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(PMID = 21286327.001).

[ISSN] 0008-5286

[Journal-full-title] The Canadian veterinary journal = La revue vétérinaire canadienne

[ISO-abbreviation] Can. Vet. J.

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] Canada

[Other-IDs] NLM/ PMC2957035

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] 18-Fluorodeoxyglucose positron emission tomography has limited sensitivity for colonic adenoma and early stage colon cancer.

BACKGROUND: 18-Fluorodeoxyglucose positron emission tomography (PET) is used clinically to detect recurrent colon cancer after surgical resection, but the sensitivity of PET for premalignant colon lesions and early stage colon cancer is not well defined.

METHODS: In a prospective study, 45 patients with a total of 58 colonic neoplasms, including premalignant polyps, premalignant, flat lesions, and early stage cancers, were evaluated by PET.

CONCLUSIONS: PET has limited sensitivity for flat, premalignant lesions; protruded, premalignant lesions smaller than 3 cm; and colon cancers smaller than 2 cm.

[MeSH-major] Adenoma / diagnostic imaging. Colonic Neoplasms / diagnostic imaging. Fluorodeoxyglucose F18. Positron-Emission Tomography. Precancerous Conditions / diagnostic imaging. Radiopharmaceuticals

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(PMID = 15758910.001).

[ISSN] 0016-5107

[Journal-full-title] Gastrointestinal endoscopy

[ISO-abbreviation] Gastrointest. Endosc.

[Language] eng

[Publication-type] Journal Article

[Publication-country] United States

[Chemical-registry-number] 0 / Radiopharmaceuticals; 0Z5B2CJX4D / Fluorodeoxyglucose F18

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Decreased expression of cytochrome P450 protein in non-malignant colonic tissue of patients with colonic adenoma.

To estimate the role of cytochrome P450 in carcinogenesis of the colon, expression patterns and protein levels of four representative CYPs (CYP2C, CYP2E1, CYP3A4 and CYP3A5) were determined in colon mucosa of normal and adenomatous colonic tissue of patients with adenomas and disease-free controls.

METHODS: Expression of CYP2C, CYP2E1, CYP3A4, and CYP3A5 in colon mucosa of normal and adenomatous colonic tissue of patients with adenoma and disease-free controls was determined by RT-PCR.

RESULTS: With the exception of CYP3A5, expression of CYP mRNA was similar among groups and tissues (e.g. normal colon mucosa and adenoma).

CYP3A5 mRNA expression was significantly higher in adenoma in comparison to normal tissue of patients with adenoma (approximately 48%).

When comparing protein concentrations of CYPs measured in adenomas with neighboring normal colonic mucosa no differences were found.

However, in normal tissue of patients with adenomas, protein levels of CYP2C8, CYP3A4 and CYP3A5, but not that of CYP2E1, were significantly lower than in biopsies obtained from disease-free controls.

Specifically, in normal colonic mucosa of patients protein concentrations of CYP2C8, CYP3A4, and CYP3A5 were approximately 86%, approximately 69%, and approximately 54%, respectively, lower than in disease-free controls.

CYP2C8, CYP3A4 and CYP3A5) in colon mucosa might contribute to the development of neoplasia in the colon.

[MeSH-major] Adenoma / enzymology. Colon / enzymology. Colonic Neoplasms / enzymology. Cytochrome P-450 CYP2E1 / metabolism. Cytochrome P-450 Enzyme System / metabolism

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(PMID = 16281975.001).

[ISSN] 1471-230X

[Journal-full-title] BMC gastroenterology

[ISO-abbreviation] BMC Gastroenterol

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] England

[Chemical-registry-number] 0 / RNA, Messenger; 0 / cytochrome P-450 CYP2C subfamily; 9035-51-2 / Cytochrome P-450 Enzyme System; EC 1.14.13.- / Cytochrome P-450 CYP2E1; EC 1.14.13.67 / CYP3A4 protein, human; EC 1.14.14.1 / CYP3A protein, human; EC 1.14.14.1 / CYP3A5 protein, human; EC 1.14.14.1 / Cytochrome P-450 CYP3A

[Other-IDs] NLM/ PMC1310537

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Apple polyphenols modulate expression of selected genes related to toxicological defence and stress response in human colon adenoma cells.

The purpose of this study was to investigate whether polyphenols from apples modulate expression of genes related to colon cancer prevention in preneoplastic cells derived from colon adenoma (LT97).

[MeSH-major] Adenoma / genetics. Colonic Neoplasms / genetics. Flavonoids / pharmacology. Gene Expression Regulation, Neoplastic / drug effects. Malus / chemistry. Phenols / pharmacology. Precancerous Conditions / genetics

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[Copyright] (c) 2008 Wiley-Liss, Inc.

(PMID = 18351577.001).

[ISSN] 1097-0215

[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 / DNA, Complementary; 0 / Flavonoids; 0 / Phenols; 0 / Polyphenols

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Global histone H4 acetylation and HDAC2 expression in colon adenoma and carcinoma.

Chromatin remodeling and activation of transcription are important aspects of gene regulation, but these often go awry in disease progression, including during colon cancer development.

We investigated the status of global histone acetylation (by measuring H3, H4 acetylation of lysine residues, which also occur over large regions of chromatin including coding regions and non-promoter sequences) and expression of histone deacetylase 2 (HDAC2) in colorectal cancer (CRC) tissue microarrays using immunohistochemical staining.

Specifically, HDAC2 and the acetylation of histones H4K12 and H3K18 were evaluated in 134 colonic adenomas, 55 moderate to well differentiated carcinomas, and 4 poorly differentiated carcinomas compared to matched normal tissue.

HDAC2 nuclear expression was detected at high levels in 81.9%, 62.1%, and 53.1% of CRC, adenomas, and normal tissue, respectively (P = 0.002).

HDAC2 expression was correlated significantly with progression of adenoma to carcinoma (P = 0.002), with a discriminative power of 0.74, when comparing cancer and non-cancer cases.

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(PMID = 19057998.001).

[ISSN] 1573-2568

[Journal-full-title] Digestive diseases and sciences

[ISO-abbreviation] Dig. Dis. Sci.

[Language] ENG

[Grant] United States / NCI NIH HHS / CA / CA122959; United States / NCI NIH HHS / CA / CA122959-02; United States / NCI NIH HHS / CA / R01 CA122959-02; United States / PHS HHS / / A102681; United States / NCI NIH HHS / CA / R01 CA122959

[Publication-type] Journal Article; Research Support, N.I.H., Extramural

[Publication-country] United States

[Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Histones; EC 3.5.1.98 / Histone Deacetylases

[Other-IDs] NLM/ NIHMS118762; NLM/ PMC2737733

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Over-expressed estrogen receptor-alpha up-regulates hTNF-alpha gene expression and down-regulates beta-catenin signaling activity to induce the apoptosis and inhibit proliferation of LoVo colon cancer cells.

Epidemiologic studies reported that the prevalence of hereditary non-polyposis colon cancer (HNPCC) in male is about 1.5-fold higher than that in female.

Patients that received E(2) replacement therapy were found to have a reduction in the incidence of colon adenoma and carcinoma.

[MeSH-major] Apoptosis. Colonic Neoplasms / pathology. Estrogen Receptor alpha / metabolism. Gene Expression Regulation. Signal Transduction. Tumor Necrosis Factor-alpha / genetics. beta Catenin / metabolism

[MeSH-minor] Adenomatous Polyposis Coli Protein / metabolism. Caspases / metabolism. Cell Cycle Proteins / metabolism. Cell Line, Tumor. Cell Proliferation. DNA Fragmentation. Down-Regulation / genetics. Estrogens / pharmacology. Female. Humans. Male. Middle Aged. Promoter Regions, Genetic / drug effects. Transfection. Tumor Cells, Cultured. Tumor Suppressor Protein p53 / metabolism. Up-Regulation / genetics. Wnt Proteins / metabolism

NCI CPTC Antibody Characterization Program. NCI CPTC Antibody Characterization Program .

NCI CPTC Antibody Characterization Program. NCI CPTC Antibody Characterization Program .

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(PMID = 16628468.001).

[ISSN] 0300-8177

[Journal-full-title] Molecular and cellular biochemistry

[ISO-abbreviation] Mol. Cell. Biochem.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Netherlands

[Chemical-registry-number] 0 / Adenomatous Polyposis Coli Protein; 0 / Cell Cycle Proteins; 0 / Estrogen Receptor alpha; 0 / Estrogens; 0 / TNF protein, human; 0 / Tumor Necrosis Factor-alpha; 0 / Tumor Suppressor Protein p53; 0 / Wnt Proteins; 0 / beta Catenin; EC 3.4.22.- / Caspases

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] An association between colonic adenoma and abdominal obesity: a cross-sectional study.

BACKGROUND: Colorectal adenoma is a precursor lesion of colorectal cancer and thus, it is an important target for preventing colorectal cancer.

Only a few studies suggest an association between colorectal adenoma and obesity, but results show considerable heterogeneity.

In this study, we investigated the association between colorectal adenoma and waist circumference.

METHODS: 165 adenoma cases and 365 polyp-free controls with a normal colon were compared in this cross-sectional study.

And smokers and men were more prevalent among cases than controls.Among the abdominal obese subjects, 45.6% had 1 or more adenoma, and 9.0% of these had advanced adenoma, whereas among subjects with a normal waist circumference, only 25.7% had 1 or more adenomas.

The prevalence of adenoma was higher among abdominal obese group (P < 0.05).

Logistic regression analysis showed that abdominal obesity was associated with an increased risk of colorectal adenoma (OR, 2.74; 95% CI, 1.66~4.51 in men, OR, 2.58; 95% CI, 1.08~6.12 in women).

While BMI was found to be weekly associated with the risk of adenoma among men at the highest BMI levels.

However, BMI was not associated with the risk for adenoma after adjusting for waist circumference.

CONCLUSION: Our data suggest that abdominal obesity is associated with an increased risk of colorectal adenoma.

[MeSH-major] Adenoma / epidemiology. Colorectal Neoplasms / epidemiology. Obesity / complications

Genetic Alliance. consumer health - Obesity.

MedlinePlus Health Information. consumer health - Colorectal Cancer.

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(PMID = 19144203.001).

[ISSN] 1471-230X

[Journal-full-title] BMC gastroenterology

[ISO-abbreviation] BMC Gastroenterol

[Language] eng

[Publication-type] Journal Article

[Publication-country] England

[Other-IDs] NLM/ PMC2635368

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Luminal histological outline and colonic adenoma phenotypes.

BACKGROUND: The luminal appearance of histological sections from colonic adenomas exhibits two different profiles: one regularly smooth and the other asymmetrically lumpy.

MATERIALS AND METHODS: For this purpose, the largest section of 107 consecutive endoscopically removed colonic adenomas was digitalized using an Epson Perfection 4990 PHOTO device.

RESULTS: Asymmetrically lumpy profiles were found in 96% (22/23) of the sections from adenomas measuring > or =15 mm, in 72% (39/54) of those having villous, mixed serrated or microtubular configurations and in 89% (24/27) showing carcinoma according to the Vienna classification.

CONCLUSION: The asymmetrically lumpy profile of sections from endoscopically excised colonic adenomas correlated with the size of the sections, the histological phenotype and the degree of neoplastic transformation.

Studies have been initiated to clinically explore whether the luminal configuration of colonic adenomas can be of help in predicting, before endoscopical removal, accepted histological parameters.

[MeSH-major] Adenoma / pathology. Colonic Neoplasms / pathology

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(PMID = 17972517.001).

[ISSN] 0250-7005

[Journal-full-title] Anticancer research

[ISO-abbreviation] Anticancer Res.

[Language] eng

[Publication-type] Journal Article

[Publication-country] Greece

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Functional expression of the interleukin-11 receptor alpha-chain in normal colonic epithelium and colon cancer.

The aim of this study was to investigate the expression profiling of IL-11Ralpha and its downstream signaling cascade in colonic adenoma and carcinoma.

MATERIALS AND METHODS: The expression of IL-11Ralpha in normal colonic mucosa, 11 colonic adenomas, and 10 carcinomas was analyzed by immunohistochemistry.

RESULTS: Immunohistochemistry revealed significant IL-11-Ralpha expression in epithelial cells of normal colonic mucosa.

In contrast, the expression of IL-11-Ralpha in colon adenomas and carcinomas was either absent or only detectable in very few scattered epithelial cells.

Densitometric analysis of Western blots confirmed these results, showing a decrease of IL-11Ralpha-protein in cells isolated from adenomas or carcinomas.

CONCLUSION: This study demonstrates a decrease of IL-11-Ralpha-protein expression in epithelial cells isolated from colon carcinomas and adenomas compared to normal colonic mucosa and a reduced STAT3 signaling.

[MeSH-major] Biomarkers, Tumor / biosynthesis. Colonic Neoplasms / metabolism. Interleukin-11 Receptor alpha Subunit / biosynthesis. Intestinal Mucosa / metabolism

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(PMID = 16292518.001).

[ISSN] 0179-1958

[Journal-full-title] International journal of colorectal disease

[ISO-abbreviation] Int J Colorectal Dis

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] Germany

[Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / Interleukin-11 Receptor alpha Subunit

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Bioinformatic analysis of adenoma-normal mucosa SSH library of colon].

We established a colonic adenoma-normal mucosa suppressive subtraction hybridization (SSH) library in 1999.

The nucleic acid analytical software, an integrator of the universal bioinformatics tools including phred, phd2fasta, cross_match, repeatmasker and blast2.0, can blast sequences of differential clones with the downloaded non-redundant nucleotide (NR) database.

Both genes were up-regulated in 10 or 9 out of 10 adenomas in comparison with the paired normal mucosa, respectively.

The candidate genes in A-N library would be of great significance in disclosing the molecular mechanism underlying in colonic adenoma initiation and progression.

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(PMID = 16606587.001).

[ISSN] 0253-9772

[Journal-full-title] Yi chuan = Hereditas

[ISO-abbreviation] Yi Chuan

[Language] CHI

[Publication-type] English Abstract; Journal Article

[Publication-country] China

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] A two-step model for colon adenoma initiation and progression caused by APC loss.

Aberrant Wnt/beta-catenin signaling following loss of the tumor suppressor adenomatous polyposis coli (APC) is thought to initiate colon adenoma formation.

These findings suggest that, following APC loss, CtBP1 contributes to adenoma initiation as a first step, whereas KRAS activation and beta-catenin nuclear localization promote adenoma progression to carcinomas as a second step.

Consistent with this model, human FAP adenomas showed robust upregulation of CtBP1 in the absence of detectable nuclear beta-catenin, whereas nuclear beta-catenin was detected in carcinomas.

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Gene Ontology. gene/protein/disease-specific - Gene Ontology annotations from this paper .

NCI CPTC Antibody Characterization Program. NCI CPTC Antibody Characterization Program .

The Lens. Cited by Patents in .

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(PMID = 19450512.001).

[ISSN] 1097-4172

[Journal-full-title] Cell

[ISO-abbreviation] Cell

[Language] ENG

[Grant] United States / NCI NIH HHS / CA / CA073992; United States / NCI NIH HHS / CA / CA116468-03; United States / NCI NIH HHS / CA / CA073992-06A10003; United States / NCI NIH HHS / CA / R01 CA116468-03; United States / NCI NIH HHS / CA / CA96934; United States / NCI NIH HHS / CA / P01 CA073992-06A10003; United States / NCI NIH HHS / CA / R01 CA116468; United States / NCI NIH HHS / CA / P01 CA073992; United States / NCI NIH HHS / CA / CA116468-04; United States / NCI NIH HHS / CA / CA042014; United States / NCI NIH HHS / CA / P30 CA042014; United States / NCI NIH HHS / CA / R01 CA116468-04

[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 / Adenomatous Polyposis Coli Protein; 0 / DNA-Binding Proteins; 0 / Peptide Fragments; 0 / Rac1 GTP-binding protein (17-32); 0 / beta Catenin; EC 1.1.- / Alcohol Oxidoreductases; EC 1.1.1.- / C-terminal binding protein; EC 2.7.11.1 / Proto-Oncogene Proteins c-raf; EC 3.6.5.2 / rac1 GTP-Binding Protein; EC 3.6.5.2 / ras Proteins

[Other-IDs] NLM/ NIHMS102940; NLM/ PMC2706149

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Apoptotic effects of over-expressed estrogen receptor-beta on LoVo colon cancer cell is mediated by p53 signalings in a ligand-dependent manner.

Epidemiologic studies reported that the prevalence of hereditary non-polyposis colon cancer (HNPCC) in male is about 1.5-fold higher than that in female.

Patients that received E2 replacement therapy were found to have a reduction in the incidence of colon adenoma and carcinoma.

[MeSH-major] Apoptosis. Colonic Neoplasms / metabolism. Colonic Neoplasms / pathology. Estrogen Receptor beta / metabolism. Signal Transduction. Tumor Suppressor Protein p53 / metabolism

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[ErratumIn] Chin J Physiol. 2006 Jun 30;49(3):167

(PMID = 16830793.001).

[ISSN] 0304-4920

[Journal-full-title] The Chinese journal of physiology

[ISO-abbreviation] Chin J Physiol

[Language] eng

[Publication-type] Journal Article

[Publication-country] China (Republic : 1949- )

[Chemical-registry-number] 0 / Estrogen Receptor beta; 0 / Ligands; 0 / Recombinant Proteins; 0 / TP53 protein, human; 0 / Tumor Suppressor Protein p53

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Fas ligand expression in colon cancer: a possible mechanism of tumor immune privilege.

AIM: To detect the expression of Fas ligand (FasL) in colon cancer tissues and cell lines and analyze the function of FasL-expressing colon cancer cells in inducing Fas-sensitive T lymphocyte apoptosis.

METHODS: Ninety surgically resected colon cancer tissues and 15 hepatic metastasis specimens were investigated by immunohistochemical method with normal colon mucosa and colon adenoma as control.

FasL expression of 4 colon cancer cell lines, SW620, Lovo, LS-174T and SW1116, were detected by Western blotting assay.

The function of FasL expressed on colon cancer cells was determined by coculture assay with Jurkat T lymphocytes, the apoptotic rate of which was detected by flow cytometry assay.

RESULTS: Fifty-six (62.22%) cases of all the 90 colon cancer tissues and all (100%) the liver metastasis specimens expressed FasL, significantly higher than normal colon mucosa and colonic adenoma.

Higher expression of FasL was found in more advanced stage of colon cancer and in cancer tissues with lymphatic or hepatic metastasis.

All the colon cancer cell lines were found to express FasL.

CONCLUSION: The expression of FasL is upregulated in colon cancer and the functionally expressed FasL can induce apoptosis of Fas-expressing T lymphocytes.

[MeSH-major] Colonic Neoplasms / immunology. Membrane Glycoproteins / metabolism

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(PMID = 15962391.001).

[ISSN] 1007-9327

[Journal-full-title] World journal of gastroenterology

[ISO-abbreviation] World J. Gastroenterol.

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] China

[Chemical-registry-number] 0 / FASLG protein, human; 0 / Fas Ligand Protein; 0 / Membrane Glycoproteins

[Other-IDs] NLM/ PMC4315977

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Monocyte chemoattractant protein 1 and macrophage cyclooxygenase 2 expression in colonic adenoma.

BACKGROUND AND AIMS: Cyclooxygenase 2 (COX-2) expression in subepithelial macrophages of colorectal adenoma has been suggested as the first in a series of steps leading to colorectal tumorigenesis.

We tested the hypothesis that chemokines released from human colorectal adenoma epithelium might be involved in COX-2 expression in macrophages of the lamina propria.

METHODS: Endoscopic samples of sporadic colorectal adenomas were tested by enzyme linked immunosorbent assay for chemokines involved in macrophage chemotaxis.

Localisation of adenoma macrophage chemoattractant protein 1 (MCP-1) and COX-2 were determined by immunohistochemistry.

RESULTS: MCP-1 levels were markedly higher in adenoma with mild-moderate dysplasia (129.7 (19.9) pg/mg protein) and severe dysplasia (227.9 (35.4) pg/mg protein) than in normal colonic mucosa (55.8 (4.2) pg/mg protein).

Other chemokine levels, macrophage inflammatory proteins (MIP)-1alpha and MIP-1beta, and the chemokine regulated on activation of normal T cell expressed and secreted (RANTES) did not vary significantly between adenoma and normal mucosa.

MCP-1 levels in both adenoma and normal colonic mucosa increased significantly three hours after tissue cultivation in vitro.

MCP-1 immunoreactivity was restricted to the adenoma epithelium, with no reactivity seen in adjacent normal epithelial cells.

Addition of exogenous PGE(2) reversed this inhibitory effect on VEGF release, suggesting that MCP-1 in adenoma epithelial cells might be involved in COX-2 expression and subsequent macrophage activation.

CONCLUSIONS: MCP-1 in colorectal adenoma epithelial cells might be involved in macrophage migration and COX-2 expression, leading to the subsequent development of colonic adenoma.

[MeSH-major] Adenoma / metabolism. Chemokine CCL2 / metabolism. Colorectal Neoplasms / metabolism. Cyclooxygenase 2 / metabolism. Macrophages / enzymology

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[Cites] Biochem Biophys Res Commun. 1999 Nov 2;264(3):751-8 [10544003.001]

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(PMID = 16085694.001).

[ISSN] 0017-5749

[Journal-full-title] Gut

[ISO-abbreviation] Gut

[Language] eng

[Publication-type] Journal Article

[Publication-country] England

[Chemical-registry-number] 0 / Antigens, CD; 0 / Antigens, Differentiation, Myelomonocytic; 0 / CD68 antigen, human; 0 / Chemokine CCL2; 0 / Chemokines; 0 / Cyclooxygenase Inhibitors; 0 / Neoplasm Proteins; 0 / Pyrazoles; 0 / Sulfonamides; 0 / Vascular Endothelial Growth Factor A; EC 1.14.99.1 / Cyclooxygenase 1; EC 1.14.99.1 / Cyclooxygenase 2; JCX84Q7J1L / Celecoxib; K7Q1JQR04M / Dinoprostone

[Other-IDs] NLM/ PMC1856393

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Endoscopic surveillance of colon-rectum in the narrow band imaging era].

[Transliterated title] Sorveglianza endoscopica del colon-retto. Ruolo del Narrow Band Imaging (NBI).

BACKGROUND AND AIMS: Colonoscopic surveillance is an established method of colorectal cancer (CRC) screening that reduces death rates, but has an adenoma miss rate of 10-20%.

Narrow band imaging (NBI), a novel endoscopic technology, highlights superficial mucosal capillaries and improves contrast for small adenomas.

This study evaluated the role of NBI in the improving colon adenoma detection.

PATIENTS AND METHODS: White light colonoscope was compared with NBI for adenoma detection during colonoscopy.

The outcome parameter was the difference in the adenoma detection rate between the two techniques.

All polyps detected were removed for histopathological analysis.

RESULTS: Adenomas were detected more frequently in the NBI group (51) than in the control group (49); however, the difference was not statistically significant (p = 0.128).

CONCLUSIONS: In our experience, the NBI did not increased the adenomas detection rate compared to white light by an endoscopist with a known high detection rate using white light.

[MeSH-major] Adenoma / diagnosis. Colonoscopy / methods. Colorectal Neoplasms / diagnosis

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(PMID = 19954587.001).

[ISSN] 0391-9005

[Journal-full-title] Il Giornale di chirurgia

[ISO-abbreviation] G Chir

[Language] ita

[Publication-type] Comparative Study; English Abstract; Journal Article; Randomized Controlled Trial

[Publication-country] Italy

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Flat adenoma in colon: two decades of debate.

The existence of flat adenomas in the colon is well recognized.

Whether they represent a distinct disease with a pathogenetic pathway different from that of the classical adenoma-carcinoma sequence in colorectal tumorigenesis and have higher malignant potential remains a matter of debate.

To review the epidemiology, clinical features, detection and management of flat and depressed (non-polypoid) colonic neoplasm, we performed a thorough literature review on studies focusing on the prevalence, histological features, genetics, detection and treatment of flat and depressed (non-polypoid) colonic neoplasm.

A high percentage of severe dysplasia in flat colonic adenomas has not been consistently demonstrated.

Flat adenomas are found to have a lower incidence of major genetic abnormalities involved in the classical adenoma-carcinoma sequence and that has raised suspicions that they may have a different pathogenesis.

More advanced colonoscopic techniques, such as chromoendoscopy, may enhance the detection of small and inconspicuous colonic neoplastic lesions that lack a protruding configuration.

It is essential for endoscopists to appreciate the existence and clinical significance of flat and depressed colonic lesions as an important variant of colonic neoplasms so that the goal of reducing colorectal carcinoma incidence by polypectomy can be better achieved.

[MeSH-major] Adenoma. Colonic Neoplasms

[MeSH-minor] Colonic Polyps / epidemiology. Colonic Polyps / genetics. Colonic Polyps / pathology. Colonic Polyps / therapy. Colonoscopy. Humans. Rectal Neoplasms / epidemiology. Rectal Neoplasms / genetics. Rectal Neoplasms / pathology. Rectal Neoplasms / therapy

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(PMID = 20649732.001).

[ISSN] 1751-2980

[Journal-full-title] Journal of digestive diseases

[ISO-abbreviation] J Dig Dis

[Language] eng

[Publication-type] Journal Article; Review

[Publication-country] Australia

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Hypertriglyceridemia is positively correlated with the development of colorectal tubular adenoma in Japanese men.

AIM: To determine the real association between serum lipid levels and colonic polyp formation.

METHODS: We performed a large scale retrospective study to analyze the correlation between the incidence of colorectal adenoma or carcinoma and the fasting serum levels of total cholesterol (TC) and triglycerides (TG) in patients who underwent total colonoscopy for screening for colon cancer.

RESULTS: Both levels were significantly elevated in patients with adenomas as compared with patients without any neoplastic lesion (TC 207.6+/-29.5 vs 199.5+/-34.3, n=4883, P<0.001; TG 135.0+/-82.2 vs 108.7+/-71.5, n=4874, P<0.001).

The difference was significant in patients with tubular adenoma but not in those with villous or serrated adenoma.

The level of TG in patients with invasive carcinoma did not show a significant elevation from that in patients with adenoma.

These findings suggest that hypertriglyceridemia is an independent risk factor for colonic adenoma in men.

[MeSH-major] Adenoma / blood. Adenoma / etiology. Colorectal Neoplasms / blood. Colorectal Neoplasms / etiology. Hypertriglyceridemia / complications

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[Cites] Nutr Cancer. 2000;37(1):19-26 [10965515.001]

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(PMID = 16534881.001).

[ISSN] 1007-9327

[Journal-full-title] World journal of gastroenterology

[ISO-abbreviation] World J. Gastroenterol.

[Language] eng

[Publication-type] Journal Article; Research Support, Non-U.S. Gov't

[Publication-country] China

[Chemical-registry-number] 0 / Triglycerides; 97C5T2UQ7J / Cholesterol

[Other-IDs] NLM/ PMC4124439

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Streptococcus bovis bacteremia related to colon adenoma in a chronic hemodialysis patient.

Abstract We report the case of a 54-year-old hemodialysis patient who presented with recurrent fever due to Streptococcus bovis bacteremia related to colonic tubulovillous adenoma.

In this paper, we discussed the relation between S. bovis bacteremia, colonic adenomas, and hemodialysis.

[MeSH-major] Adenoma / microbiology. Bacteremia / etiology. Colonic Neoplasms / microbiology. Kidney Failure, Chronic / therapy. Renal Dialysis / adverse effects. Streptococcal Infections / pathology. Streptococcus bovis / isolation & purification

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(PMID = 19758303.001).

[ISSN] 1542-4758

[Journal-full-title] Hemodialysis international. International Symposium on Home Hemodialysis

[ISO-abbreviation] Hemodial Int

[Language] eng

[Publication-type] Case Reports; Journal Article

[Publication-country] Canada

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Identification of methylation related genes from laser capture microdissected colon samples during investigation of adenoma-carcinoma sequence].

[Transliterated title] Metilációs szabályozás alatt álló gének azonosítása lézerrel kimetszett vastagbéldaganat-sejtekben az adenoma-carcinoma sorrend vizsgálata során.

AIMS: Our aim was to identify colorectal cancer development and progression specific marker genes regulated by DNA methylation using gene expression analysis.

MATERIALS AND METHODS: Genes, which expression increased after the demethylation were determined in HT-29 colon adenocarcinoma cells treated with 10 microM 5-aza-2'-deoxycitidine.

In parallel, 5000 epithelial cells were collected with laser microdissection (LCM) from normal, adenoma and tumorous colonic samples.

The genes with gradually decreasing expression along the adenoma-carcinoma sequence were identified.

CONCLUSION: The regulation of the identified genes showing decreased expression during the adenoma-carcinoma sequence, can be associated with DNA methylation.

The identified genes showing colorectal cancer specific methylation pattern can be potential therapeutic targets in the future.

[MeSH-major] Adenoma / genetics. Carcinoma / genetics. Cell Transformation, Neoplastic / genetics. Colonic Neoplasms / diagnosis. Colonic Neoplasms / genetics. DNA Methylation. Lasers

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(PMID = 20442051.001).

[ISSN] 0030-6002

[Journal-full-title] Orvosi hetilap

[ISO-abbreviation] Orv Hetil

[Language] hun

[Publication-type] English Abstract; Journal Article

[Publication-country] Hungary

   

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [Clinicopathologic study of colorectal polyps and obesity in Korean adult].

Numerous epidemiologic studies have shown a positive association between obesity and colorectal polyps.

There are few studies investigating the association between colorectal adenomatous polyps and body fat composition in Korea.

We tried to examine the relationship between body fatness and colorectal adenomatous polyps in health check-up subjects in Korea.

METHODS: Six thousand seven hundred and six routine health check-up subjects, who visited our hospital between March 2002 and April 2005 and underwent distal colon examimation with sigmoidoscopy, were enrolled in this study.

Among them, colonoscopy was done in 860 patients to evaluate the entire colon.

We tried to reveal the relationship between body mass index (BMI) and size, location, number and histopathological type of polyps.

RESULTS: The mean value of BMI in total polyp-free group (23.8+/-2.9) was not different from that of the polyp group (24.5+/-2.8, p=0.09).

The frequency of rectosigmoid polyps in obese patients (20.4%) was higher than that in non-obese patients (16.0%, p<0.05).

The frequency of adenomatous polyp was not different between obese and non-obese group.

Number of polyps (> or=4) correlated well with obesity.

Moreover, age and triglyceride level in patients with colonic adenoma were significantly higher than in patients without colonic adenom.

CONCLUSIONS: This study shows that obesity is not associated with colonic adenomatous polyp in Korean population.

However, we observed that obesity may be associated with rectosigmoid colon polyps.

Furthermore, age and triglyceride level might be the risk factors of colonic adenomatous polyps in Korean population.

[MeSH-major] Adenomatous Polyps / complications. Colonic Neoplasms / complications. Obesity / complications

[MeSH-minor] Adult. Aged. Aged, 80 and over. Body Mass Index. Colonic Polyps / complications. Colonic Polyps / epidemiology. Colonic Polyps / pathology. Comorbidity. Female. Humans. Korea. Male. Middle Aged. Retrospective Studies. Sigmoidoscopy

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(PMID = 18167428.001).

[ISSN] 1598-9992

[Journal-full-title] The Korean journal of gastroenterology = Taehan Sohwagi Hakhoe chi

[ISO-abbreviation] Korean J Gastroenterol

[Language] kor

[Publication-type] English Abstract; Journal Article

[Publication-country] Korea (South)