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Identifying genetic biomarkers of synthetic lethal drug sensitivity effects provides one approach to the development of targeted cancer therapies. Mutations in ARID1A represent one of the most common molecular alterations in human cancer, but therapeutic approaches that target these defects are not yet clinically available. We demonstrate that defects in(More)
Although PARP inhibitors target BRCA1 or BRCA2 mutant tumour cells, drug resistance is a problem. PARP inhibitor resistance is sometimes associated with the presence of secondary or "revertant" mutations in BRCA1 or BRCA2 Whether secondary mutant tumour cells are selected for in a Darwinian fashion by treatment is unclear. Furthermore, how PARP inhibitor(More)
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