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1. André F, Michiels S, Dessen P, Scott V, Suciu V, Uzan C, Lazar V, Lacroix L, Vassal G, Spielmann M, Vielh P, Delaloge S: Exonic expression profiling of breast cancer and benign lesions: a retrospective analysis. Lancet Oncol; 2009 Apr;10(4):381-90
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Exonic expression profiling of breast cancer and benign lesions: a retrospective analysis.
  • BACKGROUND: Gene-expression arrays have generated molecular predictors of relapse and drug sensitivity in breast cancer.
  • We aimed to identify exons differently expressed in malignant and benign breast lesions and to generate a molecular classifier for breast-cancer diagnosis.
  • METHODS: 165 breast samples were obtained by fine-needle aspiration.
  • FINDINGS: 120 breast cancers and 45 benign lesions were included in the study.
  • A molecular classifier for breast-cancer diagnosis with 1228 probe sets was generated from the training set (n=94).
  • In the same population of 165 samples, 956 exon probe sets presented both higher intensity and higher splice index in breast cancer than in benign lesions, although located on unchanged genes.
  • INTERPRETATION: Many exons are differently expressed by breast cancer and benign lesions, and alternative transcripts contribute to the molecular characteristics of breast malignancy.
  • Development of molecular classifiers for breast-cancer diagnosis with fine-needle aspiration should be possible.
  • [MeSH-major] Breast Neoplasms / genetics. Exons / genetics. Gene Expression Profiling. Neoplasms / genetics
  • [MeSH-minor] Adolescent. Adult. Aged. Aged, 80 and over. Biomarkers, Tumor / genetics. Biomarkers, Tumor / metabolism. Biopsy, Fine-Needle. Carcinoma, Ductal, Breast / drug therapy. Carcinoma, Ductal, Breast / genetics. Carcinoma, Ductal, Breast / secondary. Carcinoma, Intraductal, Noninfiltrating / drug therapy. Carcinoma, Intraductal, Noninfiltrating / genetics. Carcinoma, Intraductal, Noninfiltrating / secondary. Carcinoma, Lobular / drug therapy. Carcinoma, Lobular / genetics. Carcinoma, Lobular / secondary. Carcinoma, Papillary / drug therapy. Carcinoma, Papillary / genetics. Carcinoma, Papillary / secondary. Female. Gene Expression Regulation, Neoplastic. Humans. Middle Aged. Neoplasm Staging. Oligonucleotide Array Sequence Analysis. Prognosis. RNA Splicing / genetics. RNA, Messenger / genetics. RNA, Messenger / metabolism. Retrospective Studies. Reverse Transcriptase Polymerase Chain Reaction. Treatment Outcome. Validation Studies as Topic. Young Adult

  • Genetic Alliance. consumer health - Breast Cancer.
  • MedlinePlus Health Information. consumer health - Breast Cancer.
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  • [CommentIn] Lancet Oncol. 2009 Apr;10(4):314-5 [19341968.001]
  • (PMID = 19249242.001).
  • [ISSN] 1474-5488
  • [Journal-full-title] The Lancet. Oncology
  • [ISO-abbreviation] Lancet Oncol.
  • [Language] eng
  • [Publication-type] Journal Article; Research Support, Non-U.S. Gov't
  • [Publication-country] England
  • [Chemical-registry-number] 0 / Biomarkers, Tumor; 0 / RNA, Messenger
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2. Ekanem VJ, Aligbe JU: Histopathological types of breast cancer in Nigerian women: a 12-year review (1993-2004). Afr J Reprod Health; 2006 Apr;10(1):71-5
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  • [Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.
  • [Title] Histopathological types of breast cancer in Nigerian women: a 12-year review (1993-2004).
  • To determine the commonest histological types of breast cancer in Nigerian women in Edo State and the mean age at diagnosis, we reviewed the histological slides of breast cancer received in the pathology department of University of Benin Teaching Hospital over a twelve-year period (January 1993-December 2004).
  • Invasive ductal carcinoma (not otherwise specified) constituted the majority of breast cancer accounting for 75.5% while papillary carcinoma was the least common (2.7%).
  • Ductal carcinoma in situ accounted for 6.6%.
  • Breast cancer occur more on the left (53.3%) than the right (45.7%).
  • Bilateral breast cancer was found in only 0.8% of the cases.
  • The frequency of invasive breast cancer is still very high among Nigerian women.
  • Late presentation possibly due to ignorance, alternative medicine and fear of surgery may account for this high prevalence.
  • [MeSH-major] Breast Neoplasms / pathology. Carcinoma, Ductal, Breast / pathology. Carcinoma, Intraductal, Noninfiltrating / pathology. Carcinoma, Papillary / pathology

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  • [CommentIn] Afr J Reprod Health. 2006 Apr;10(1):7-12 [16999190.001]
  • (PMID = 16999196.001).
  • [ISSN] 1118-4841
  • [Journal-full-title] African journal of reproductive health
  • [ISO-abbreviation] Afr J Reprod Health
  • [Language] eng
  • [Publication-type] Journal Article
  • [Publication-country] Nigeria
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