1368 Preclinical development of an agonistic anti-TNFR2 antibody (BI-1910) for cancer immunotherapy by Monika Semmrich, Linda Mårtensson, Ingrid Teige, Björn Frendeus, Mathilda Kovacek, Petra Holmkvist, Carolin Svensson, Therese Blidberg, Andres McAllister, Marie Borggren, Ingrid Karlsson, Mark Cragg, Mimoza Bodén, Kirstie Cleary, Osman Dadas, Benjamin Duell, Jan Anders Nilsson, Stephen Beers, Sean Lim, Johan E Wallin