Hypoimmune CAR T cells evade both innate and adaptive immune systems in murine models, even in animals with pre-existing immunity to CAR T cells CD8- and CD4-targeted fusosomes generated functional CAR T cells in vivo, demonstrating T cell-specific delivery and therapeutic function in animal models SEATTLE, Dec. 12, 2021 (GLOBE NEWSWIRE) -- Sana Biotechnology, Inc. (NASDAQ: SANA), a company focused on creating and delivering engineered cells as medicines, presented data at the 63rd American Soci