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MicroRNA‐1271 suppresses the proliferation and invasion of colorectal cancer cells by regulating metadherin/Wnt signaling
Author(s) -
Sun Xiaoli,
Zhai Hongjun,
Chen Xi,
Kong Ranran,
Zhang Xinwu
Publication year - 2018
Publication title -
journal of biochemical and molecular toxicology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.526
H-Index - 58
eISSN - 1099-0461
pISSN - 1095-6670
DOI - 10.1002/jbt.22028
Subject(s) - microrna , wnt signaling pathway , colorectal cancer , cancer research , signal transduction , chemistry , microbiology and biotechnology , catenin , cancer , biology , medicine , gene , biochemistry
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.

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