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FEBS J. 2010 Aug;277(15):3079-85. doi: 10.1111/j.1742-4658.2010.07734.x. Epub 2010 Jul 1.

BRCA1 16 years later: DNA damage-induced BRCA1 shuttling.

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1
Department of Radiation Oncology, Vanderbilt Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN 37232-5671, USA.

Abstract

The tumor suppressor, breast cancer susceptibility gene 1 (BRCA1), plays an integral role in the maintenance of genome stability and, in particular, the cellular response to DNA damage. Here, the emerging role of BRCA1 in nonhomologous end-joining-mediated DNA repair following DNA damage will be reviewed, as well as the activation of apoptotic pathways. The control of these functions via DNA damage-induced BRCA1 shuttling will also be discussed, in particular BRCA1 shuttling induced by erlotinib and irradiation. Finally, the potential targeting of BRCA1 shuttling as a novel strategy to sensitize cells to DNA damage will be entertained.

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