The effects of miR-30a and miR-222 inhibition on hCC-MSC-Exo-induced proliferation, migration, and invasion in colon cancer cells. (A) CCK-8, (B) wound-healing, and (C) crystal violet staining Transwell invasion assays were used to study the effects of miR-30a and miR-222 inhibitor on the proliferation, migration, and invasion abilities of HT-29 and HCT-116 cells with or without hCC-MSC-Exo treatment. *P<0.05 vs. control group; #P<0.05 vs. hCC-MSC-Exo group.