BRCA1/2 signaling and homologous recombination deficiency in breast and ovarian cancer
FUTURE ONCOLOGY(2021)
Abstract
Patients who have mutations of the genes BRCA1 or BRCA2 are at an increased risk for developing breast and ovarian cancer. BRCA1/2 function as tumor suppressor genes, responsible for regulating DNA repair, and play an essential role in homologous recombination. Mutation of BRCA1/2 results in homologous recombination deficiency and genomic instability which drives oncogenesis and cancer proliferation. Recently, BRCA1/2 gene expression has been implicated in regulating immune response. Here we discuss the signaling pathway of BRCA1/2 in relation to breast and ovarian cancer, with emphasis on how dysregulation facilitates the path to malignancy and current treatment options.
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Key words
homologous recombination,homologous recombination deficient,homologous recombination proficient,HRD,HRP,immunotherapy,PARP,PARP inhibitor
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