期刊
JOURNAL OF PERSONALIZED MEDICINE
卷 13, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/jpm13081261
关键词
CART; tumor microenvironment; immunotherapy; radiotherapy; solid tumor
Tumor behavior is influenced by the tumor microenvironment. Chimeric antigen receptor (CART) cell therapy is a new form of cellular immunotherapy. Immune cells have different sensitivity to radiation therapy. Radiation therapy can modify the tumor microenvironment, induce DNA damage, and promote the expression of CART cells.
Tumor behavior is determined by its interaction with the tumor microenvironment (TME). Chimeric antigen receptor (CART) cell therapy represents a new form of cellular immunotherapy (IT). Immune cells present a different sensitivity to radiation therapy (RT). RT can affect tumor cells both modifying the TME and inducing DNA damage, with different effects depending on the low and high doses delivered, and can favor the expression of CART cells. CART cells are patients' T cells genetically engineered to recognize surface structure and to eradicate cancer cells. High-dose radiation therapy (HDRT, >10-20 Gy/fractions) converts immunologically cold tumors into hot ones by inducing necrosis and massive inflammation and death. LDRT (low-dose radiation therapy, >5-10 Gy/fractions) increases the expansion of CART cells and leads to non-immunogenetic death. An innovative approach, defined as the LATTICE technique, combines a high dose in higher FDG- uptake areas and a low dose to the tumor periphery. The association of RT and immune checkpoint inhibitors increases tumor immunogenicity and immune response both in irradiated and non-irradiated sites. The aim of this narrative review is to clarify the knowledge, to date, on CART cell therapy and its possible association with radiation therapy in solid tumors.
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