Some other miRNAs such as the miR15 family, miR-20b, miR-21, miR-93, miR-106b, miR-130b, miR-138-5p, miR-142-5p, miR-152, miR-193a-3p, miR-324-5p, miR-338-5p, miR-513, and miR-570 can also regulate PD-L1 expression in different cancer types [18, 113]. Here, CD274 is linked to cancer.