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Title: MicroRNA-1271 suppresses the proliferation and invasion of colorectal cancer cells by regulating metadherin/Wnt signaling. Author: Sun X, Zhai H, Chen X, Kong R, Zhang X. Journal: J Biochem Mol Toxicol; 2018 Feb; 32(2):. PubMed ID: 29315995. Abstract: Recent studies have reported an important role for microRNA-1271 (miR-1271) in tumorigenesis. However, the role of miR-1271 in colorectal cancer remains unknown. Here, we found that miR-1271 was significantly decreased in colorectal cancer tissues and cell lines. Overexpression of miR-1271 inhibited cell proliferation, colony formation, cell invasion, and induced cell cycle arrest in colorectal cancer cells. Metadherin (MTDH) was identified as a target gene of miR-1271. Moreover, miR-1271 negatively regulated MTDH expression in colorectal cancer cells and reversely correlated with MTDH expression in colorectal cancer specimens. Additionally, miR-1271 also regulated the activation of Wnt signaling in colorectal cancer cells. The restoration of MTDH expression significantly reversed the antitumor effect of miR-1271 in colorectal cancer cells. These findings indicate an important role for miR-1271/MTDH in the tumorigenesis of colorectal cancer, and suggest that miR-1271 may be a novel therapeutic target for colorectal cancer.[Abstract] [Full Text] [Related] [New Search]