MTSS1 and neoplasm: Several microRNAs (miR-96 [40, 45], miR-182 [46], miR-29a, miR-411 [47], miR-23a [5, 48], miR-15b [49], and miR-135b [50]) downregulate MTSS1,thereby promoting tumor growth, invasion, and metastasis in prostate, hepatocellular, non-small cell lung, osteosarcoma, and colorectal cancers.