Histone H3S28 Phosphorylation Promotes a Senescence-Associated Survival Program Following PARP Inhibition in Hormone Receptor-Positive Breast Cancer
This study reveals that histone H3S28 phosphorylation, mediated by MSK1/2, acts as a chromatin-based adaptive mechanism that promotes a senescence-associated survival program and contributes to PARP inhibitor resistance in hormone receptor-positive breast cancer.