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  • miR-144 suppresses cell proliferation and migration in colorectal cancer by targeting NRAS.

miR-144 suppresses cell proliferation and migration in colorectal cancer by targeting NRAS.

Journal of cellular biochemistry (2019-11-07)
Xuemei Ji, Yanqing Liu, Xiaoming Kao, Xiaorui Chen, Yi Zhao, Shuyan Zhang, Liya Chen, Mengchao Yu, Juan Wei, Zhao Yang, Fangyu Wang
ABSTRACT

Colorectal cancer (CRC) is a type of malignant cancer that has become particularly prevalent worldwide. It is of crucial importance to CRC treatment that the underlying molecular mechanism of CRC progression is determined. The NRAS gene is an important small G protein that is involved in various biological processes, including cancers. NRAS is an oncogene in many neoplasms but its function and regulation in CRC have seldom been investigated. In this study, it was uncovered that the NRAS protein was significantly upregulated in CRC tissues. According to a bioinformatics prediction, we identified that miR-144 may target NRAS to suppress its expression. In vitro experiments indicated that miR-144 decreased NRAS expression in different CRC cell lines (SW480, LoVo, and Caco2). By inhibiting NRAS, miR-144 repress SW480 cell proliferation and migration. Moreover, miR-144 decelerated the growth of SW480 xenograft tumors in vivo by targeting NRAS. In summary, our results identified a novel miR-144-NRAS axis in CRC that could promote the research and treatment of CRC.

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MISSION® esiRNA, targeting human NRAS
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