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Title: BRCA1 gene expression in breast cancer in Kuwait: Correlation with prognostic parameters
Authors: Amirrad, M.
Al-Mulla, F.
Varadharaj, G.
John, B.
Saji, T.
Anim, J.T.
Keywords: BRCA1 gene
Breast cancer
Estrogen receptor
Progesterone receptor
Issue Date: Mar-2005
Publisher: Medical Principles and Practice
Citation: Amirrad, M., Al-Mulla, F., Varadharaj, G., John, B., Saji, T., & Anim, J. T. (2005). BRCA1 gene expression in breast cancer in Kuwait: Correlation with prognostic parameters. Medical Principles and Practice, 14(2), 67-72.
Abstract: Objectives:This study assessed the BRCA1 gene expression in breast cancer in Kuwait, and compared it with other known prognostic factors for the disease. Materials and Methods: Forty-eight random samples of archival paraffin-embedded breast cancer tissues were studied for BRCA1 gene expression, Immunohistochemical method utilizing antibodies against different epitopes on the BRCA1 protein was used to study BRCA1 protein expression. In addition, for 29 patients, reverse transcription-polymerase chain reaction was used to detect BRCA1 mRNA expression. BRCA1 expression was correlated with age, histological type and grade of breast cancer, estrogen and progesterone receptor status, and C-erbB-2 expression. Results: No demonstrable BRCA1 mRNA and protein expression was found in 79 and 83% of the breast cancer tissues, respectively. A positive relationship was demonstrated between lack of BRCA1 (mRNA and protein) expression and high histological grade, negative estrogen and progesterone receptor status, and overexpression of C-erbB-2 in the breast cancer tissues. Conclusions: The study demonstrated lack of BRCA1 gene expression (mRNA and protein) in the majority of breast cancers in Kuwait and confirmed the inverse relationship between BRCA1 expression and parameters that determine poor prognosis in breast cancer.
ISSN: 10117571
Appears in Collections:Department of Pathology 9

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