Abstract:BackgroundMore than 30% of ER+ breast cancer patients developed distant metastasis after adjuvant tamoxifen therapy. It has been shown that decreased BRCA1 protein function confers anti-estrogen “resistance.” Since the functional status of BRCA1 protein auto-regulates its own gene expression, BRCA1 transcript level should possibly be used to assess its active protein levels. Thus, it is interesting to explore the potential links between BRCA1 gene expression status and the prognosis of ER+ breast tumors.Method… Show more
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