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. 2022 Mar 8;23(3):381–403. doi: 10.1007/s11864-021-00932-2

Fig. 2.

Fig. 2

Chimeric antigen receptor (CAR) structure. CAR constructs typically consist of an extracellular antigen binding domain (single chain variable fragment (scFv)), a transmembrane domain, and an intracellular signaling domain comprised of a stimulatory domain without (first generation) or with one (second generation) or more (third generation) costimulatory domains. Fourth generation CARs include additional elements such as cytokine secretion or inducible suicide genes. Reproduced with permission from: Barth MJ, Chu Y, Hanley PJ, Cairo MS. Immunotherapeutic approaches for the treatment of childhood, adolescent and young adult non-Hodgkin lymphoma. Br J Haematol. 2016;173(4):597-616. doi: 10.1111/bjh.14078.