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- W1569415392 abstract "Abstract : Mutations in the BRCA1 gene are associated with a heightened lifetime risk for breast cancer. PARP inhibitors (PARPi) have been tested with promising results for the treatment of BRCA1-associated cancers. BRCA1 is essential for error-free repair of DNA double strand breaks via homologous recombination (HR), while PARPs are thought to primarily function in repair of single stranded DNA breaks especially through activation of base excision repair (BER). A synthetic lethal phenotype occurs when BRCA1- deficiency (HR deficiency) is combined with PARPi (BER defect). However, a majority of BRCA1-deficient tumors do not respond to PARPi, and, of those that do, all tumors recur. I aim to (1) To determine how HR is rescued in BRCA1-deficient cells; (2) to elucidate HR-independent mechanisms of PARPi resistance; (3) to elucidate means of targeting PARPi resistant cancers. The results of this project may be broadly applicable to BRCA-like and other non-hereditary, spontaneous breast cancers, including triple negative breast cancers. Ultimately, the proposed experiments will provide an understanding of the mechanisms of acquired resistance to PARPi treatment and how resistant tumors can be categorized and targeted for treatment." @default.
- W1569415392 created "2016-06-24" @default.
- W1569415392 creator A5049634987 @default.
- W1569415392 date "2013-12-01" @default.
- W1569415392 modified "2023-09-24" @default.
- W1569415392 title "Novel Mechanisms of PARP Inhibitor Resistance in BRCA1-Deficient Breast Cancers" @default.
- W1569415392 cites W2009007206 @default.
- W1569415392 doi "https://doi.org/10.21236/ada612869" @default.
- W1569415392 hasPublicationYear "2013" @default.
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