期刊
MOLECULAR CANCER THERAPEUTICS
卷 19, 期 12, 页码 2409-2421出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1535-7163.MCT-20-0385
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Triple-negative breast cancer (TNBC), a highly aggressive breast cancer subtype that lacks estrogen receptor, progesterone receptor, and HER2 expression, does not respond to traditional endocrine and anti-HER2-targeted therapies. Current treatment options for patients with TNBC include a combination of surgery, radiotherapy, and/or systemic chemotherapy. FDA-approved therapies that target DNA damage repair mechanisms in TNBC, such as PARP inhibitors, only provide marginal clinical benefit. The immunogenic nature of TNBC has prompted researchers to harness the body's natural immune system to treat this aggressive breast cancer. Clinical precedent has been recently established with the FDA approval of two TNBC immunotherapies, including an antibody-drug conjugate and an anti-programmed death-ligand 1 monoclonal antibody. Chimeric antigen receptor (CAR)-T cell therapy, a type of adoptive cell therapy that combines the antigen specificity of an antibody with the effector functions of a T cell, has emerged as a promising immunotherapeutic strategy to improve the survival rates of patients with TNBC. Unlike the remarkable clinical success of CAR-T cell therapies in hematologic cancers with Kymriah and Yescarta, the development of CAR-T cell therapies for solid tumors has been much slower and is associated with unique challenges, including a hostile tumor microenvironment. The aim of the present review is to discuss novel approaches and inherent challenges pertaining to CAR-T cell therapy for the treatment of TNBC.
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