259 Discovery of synthetic signaling pathway receptors that increase the potency of CAR-T cells through optimized STAT activity oleh Lan Chen, Beatriz Millare, Jeremy Chen, Aaron Cooper, Natalie Bezman, Angela Boroughs, Suchismita Mohanty, David DeTomaso, Amy-Jo Casbon, Thomas J Gardner, Anzhi Yao, Ashley Cass, Alma Gomez, Manching Ku, Lionel Berthoin, Meng Lim, Azalea Ong, Vince Thomas, Nicholas Quant, Brian Hsu, Levi Gray-Rupp, W Nicholas Haining