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Cellectis Presents Multiple Strategies to Enhance CAR T-cell Efficacy in Solid Tumors at the SITC Annual Meeting
Cellectis announced pre-clinical data presentation at SITC's 39th Annual Meeting, showcasing strategies to enhance CAR T-cell efficacy against solid tumors. The research focuses on overcoming challenges in the tumor microenvironment (TME) using TALEN®-mediated gene editing to generate allogeneic CAR T-cells. The company developed two key approaches: a FAP-dependent expression system to limit cytotoxic activity to tumor areas, and integration of IL-12 into PD-1 regulatory elements while inactivating TGFBR2. These strategies showed enhanced T-cell proliferation and infiltration while reducing tumor burden and limiting side effects, potentially offering new therapeutic options for solid tumor patients.
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