News for Healthier Living

Study Uncovers Hidden Class of BRCA1 Mutations and a Potential Way to Target Them

* HSP90 buffers certain BRCA1 mutations, allowing them to persist in humans and promote resistance to PARP inhibitor treatments * Low-dose HSP90 inhibition restored PARP inhibitor sensitivity in HSP90-buffered BRCA1-mutant cells * Researchers identified specific features of HSP90 buffering to determine patients most likely to benefit from combination treatment

November 19, 2025


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