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Association details:
Biomarker:BRCA1 deletion
Cancer:Triple Negative Breast Cancer
Drug Class:PARP inhibitor
Direction:Sensitive
Evidence:
Evidence Level:
Sensitive: D – Preclinical
Source:
Title:

Targeting immunosuppressive macrophages overcomes PARP inhibitor resistance in BRCA1-associated triple-negative breast cancer

Published date:
12/14/2020
Excerpt:
Combining PARP inhibitor therapy with colony-stimulating factor 1 receptor (CSF1R)-blocking antibodies significantly enhanced innate and adaptive antitumor immunity and extended survival in mice with BRCA-deficient tumors in vivo...PARP inhibitor treatment and demonstrate that combined PARP inhibition and macrophage-targeting therapy induces a durable reprogramming of the tumor microenvironment (TME), thus constituting a promising therapeutic strategy for TNBC.
DOI:
10.1038/s43018-020-00148-7