Regulation ofBRCA1messenger RNA stability in human epithelial cell lines and during cell cycle progression
- 27 June 2007
- journal article
- Published by Wiley in FEBS Letters
- Vol. 581 (18) , 3435-3442
- https://doi.org/10.1016/j.febslet.2007.06.046
Abstract
The mechanisms regulating expression of breast cancer 1 (BRCA1) are not fully characterised. By studying regulation of endogenous BRCA1 in human epithelial cell lines and during cell cycle progression, we provide evidence to suggest BRCA1 is regulated post-transcriptionally at the level of messenger RNA stability. We also show that RNA-binding proteins associate with an AU-rich, cis-active sequence of the BRCA1 3′untranslated region in a cell cycle-dependent manner. Our data identify a new post-transcriptional regulatory axis and a novel mechanism for modulating the levels of BRCA1 protein, with possible implications for understanding the mechanisms underlying BRCA1 repression in breast cancerKeywords
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