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Conventional CARs versus modular CARs
Feldmann, A.; Arndt, C.; Koristka, S.; Berndt, N.; Bergmann, R.ORC; Bachmann, M.
The clinical application of immune effector cells genetically modified to express chimeric antigen receptors (CARs) has shown impressive results including complete remissions of certain malignant hematological diseases. However, their application can also cause severe side effects such as cytokine release syndrome (CRS) or tumor lysis syndrome (TLS). One limitation of currently applied CAR T cells is their lack of regulation. Especially, an emergency shutdown of CAR T cells in case of life-threatening side effects is missing. Moreover, targeting of tumor-associated antigens (TAAs) that are not only expressed on tumor cells but also on vital tissues requires the possibility of a switch allowing to repeatedly turn the activity of CAR T cells on and off. Here we summarize the development of a modular CAR variant termed universal CAR (UniCAR) system that promises to overcome these limitations of conventional CARs.
Keywords: Immunotherapy, Chimeric antigen receptor, T cells, UniCAR, BiTE, TIMO XIV


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Publ.-Id: 29692