P800: BLOCKADE OF COMMON GAMMA CHAIN CYTOKINE SIGNALING WITH REGN7257, AN INTERLEUKIN 2 RECEPTOR GAMMA (IL2RG) MONOCLONAL ANTIBODY, PROTECTED MICE FROM GRAFT-VERSUS-HOST DISEASE AND IMMUNE APLASTIC ANEMIA. (23rd June 2022) - Le Floch, A.; Nagashima, K.; Norton, T.; Perlee, L.; Murphy, A.; Sleeman, M.; Orengo, J.