However, in renal cell carcinoma, breast cancer, lung adenocarcinoma, and colorectal cancer, miR‐362‐3p are all under‐expressed, and inhibit various biological behaviors of cells by regulating hERG, E2F1, USF2, and PTPN.8, 9, 23, 24, 25. This evidence concerns the gene KCNH2 and breast carcinoma.