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Τετάρτη 22 Αυγούστου 2018

Increased miR-203-3p and reduced miR-21-5p synergistically inhibit proliferation, migration, and invasion in esophageal cancer cells

Dysregulation of miR-203-3p and miR-21-5p has been identified in esophageal cancer (EC). The restoration of miR-203-3p and reduction of miR-21-5p were able to cause tumor suppression. Here, co-transfection of miR-203-3p mimics and miR-21-5p inhibitors led to an extraordinary increased expression of miR-203-3p and synergistically inhibited proliferation, migration, and invasion in EC cells. Moreover, we found that Ran GTPase (Ran) was dramatically inhibited in EC cells treated with the co-transfection of miR-203-3p mimics and miR-21-5p inhibitors. Finally, in-vivo studies showed that overexpression of miR-203-3p, combined with the suppression of miR-21-5p, significantly co-inhibited growth of tumors. The obtained data suggested that the development of miRNA-based combination therapeutics represents a promising cancer treatment strategy. Correspondence to Fang Zhang, PhD, College of Life Science and Bioengineering, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing 100124, People's Republic of China Tel: +86 106 739 6212; fax: +86 106 739 2780; e-mail: zhangfang2000@bjut.edu.cn Received April 26, 2018 Accepted July 25, 2018 Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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