G6PD functions as a metabolic checkpoint to regulate granzyme B expression in tumor-specific cytotoxic T lymphocytes ==================================================================================================================== * Chunwan Lu * Dafeng Yang * John D Klement * Yolonda L Colson * Nicholas H Oberlies * Cedric J Pearce * Aaron H Colby * Mark W Grinstaff * Han-Fei Ding * Huidong Shi * Kebin Liu