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International Journal Of Bilogical Sciences

.: Home > International Journal Of Bilogical Sciences > 2013 > Volume 9 Number 7 > Qingping Ma1, Qianqian Jiang1, Qiang Pu2, Xuechao Zhang1, Weihan Yang1, Yu Wang1, Sujuan Ye1, Shifei Wu1, Guoxing Zhong1, Jiang Ren1, Yan Zhang1, Lunxu Liu2, Wen Zhu1

MicroRNA-143 Inhibits Migration and Invasion of Human Non-Small-Cell Lung Cancer and Its Relative Mechanism

Qingping Ma1, Qianqian Jiang1, Qiang Pu2, Xuechao Zhang1, Weihan Yang1, Yu Wang1, Sujuan Ye1, Shifei Wu1, Guoxing Zhong1, Jiang Ren1, Yan Zhang1, Lunxu Liu2, Wen Zhu1
1. State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China; 2. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China.
Abstract :

Background: MicroRNAs (miRNAs) play important roles in many biological processes, including cancer development. Among those miRNAs, miR-143 shows tumor-suppressive activity in some human cancers. However, the function and mechanism of miR-143 in lung cancer cells remains unknown. Here we explored the role of miR-143 in lung cancer. Results: According to qRT-PCR, we found that miR-143 was notably down-regulated in 19 NSCLC tissues and 5 cell lines. In vitro experiments showed us that miR-143 could significantly suppress the migration and invasion of NSCLC cell lines while it had no effects on the growth of NSCLC cell lines, and in vivo metastasis assay showed the same results. Finally, we found that the mechanism of miR-143 inhibiting the migration and invasion of NSCLC might be through targeting CD44v3. Conclusions: The up-regulated miR-143 in lung cancer could significantly inhibit cell migration and invasion, and this might work through targeting CD44v3, which was newly identified by us.

Keywords :
NSCLC, miR-143, microRNA (miRNA), migration, invasion, CD44v3.

Date Deposited : 11 Apr 2015 10:22

Last Modified : 11 Apr 2015 10:22

Official URL: http://www.ijbs.com/ms/archive

Volume 9, Number 7, - 2013 , ISSN 1449-2288

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