In colon cancer area, astaxanthin suppresses the metastatic capacity of colon cancer cell line HCT116 in vitro, and CT26 cells injected in BALB/c nu/nu mice, by inhibiting the MYC-mediated down-regulation of microRNA (miR)-29a-3p and miR-200a [198]. This evidence concerns the gene MYC and malignant colon neoplasm.