Chakraborty Lab

Icahn School of Medicine at Mount Sinai

UROLOGY

New York · United States

NIH-funded
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NIH R01 · 2025

Functional Characterization and Development of Therapeutic Paradigms for DNA Damage Repair (DDR)-deficient Lethal Prostate Cancer

Abstract A leading contributor to the significant mortality burden of prostate cancer, the second cause of cancer death among U.S. men, is the short-lived efficacy of androgen deprivation therapy (ADT), the mainstay of care for advanced and symptomatic disease. Increasingly alterations in DNA damage repair (DDR) genes, predominantly BRCA2, have been linked to ADT resistance and poor prognosis. We previously showed that deleterious alteration of BRCA2 is sufficient to induce ADT resistance in castration-sensitive prostate cancer (PC) cells. Our current proposal will investigate the molecular mechanism underlying BRCA2 loss/mutation- induced ADT resistance and progression to lethal prostate…

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