Disclosed herein are chimeric antigen receptors (CARs) comprising an intracellular segment comprising an interleukin receptor chain, a JAK-binding motif, a Signal Transducer and Activator of Transcription (STAT) 5 association motif and/or a CD3ζ intracellular signaling domain comprising an exogenous STAT3 association motif, as well as cells and 5 compositions comprising said CARs and uses thereof.
