STK24 and neoplasm: When CT26 or LLC Stk24 KO mutant cells were inoculated into immunodeficient NOD‐SCID IL2rg−/− (NSG) mice, the in vivo growth of the xenografted tumor cells was indistinguishable between the Stk24 KO mutant and wild‐type controls (Figure S2M,N, Supporting Information).