SRC-3 KO and control wild-type Tregs were isolated from the spleens of SRC-3d/d:Treg and SRC-3f/f female mice, respectively, and then injected Tregs (800K cells) into tumor-bearing SRC-3f/f female littermates (SI Appendix, Fig. S12 A and B). Here, SRC is linked to neoplasm.