Besides, FACS analysis of subcutaneous tumors revealed that SRC‐1 knockout combined with PD‐L1 antibody therapy also increased the effector function of tumor‐infiltrating CD8+ T cells, as reflected in the up‐regulation of IFNγ+CD8+ T cells proportion (Figure 6D; Figure S5A, Supporting Information). This evidence concerns the gene CD8A and neoplasm.