
Cancer immunotherapy including immune checkpoint inhibitors and adoptive cell therapy has gained revolutionary success in the treatment of hematologic tumors; however, it only gains limited success in solid tumors. For example, chimeric antigen receptor T (CAR-T) cell therapy has shown significant effects and potential for curing patients with B-cell malignancies. In contrast, it remains a challenge for CAR-T cell therapy to gain similar success in solid tumors. The anti-tumor effect of endogenous or adoptively transferred tumor-specific T cells depends largely on their differentiation status. T cells at early differentiation stage show better anti-tumor therapeutic effects than fully differentiated effector T cells. In cancer patients, the persistence of tumor-specific T cells with the stem cell memory or precursor phenotype is significantly associated with improved therapeutic outcomes; therefore, adoptively transfered CAR-T cells with stem cell memory and/or central memory is expected to gain better anti-tumor effects. Herein we focused on the in vitro optimized culture and expansion system to obtain CAR-T cells with stem cell memory or central memory phenotype for the review.
Memory T Cells, Receptors, Chimeric Antigen, Neoplasms, T-Lymphocytes, Stem Cells, Humans, Animals, Cell Differentiation, Immunotherapy, Adoptive, Immunologic Memory
Memory T Cells, Receptors, Chimeric Antigen, Neoplasms, T-Lymphocytes, Stem Cells, Humans, Animals, Cell Differentiation, Immunotherapy, Adoptive, Immunologic Memory
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