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International Journal Of Bilogical Sciences

.: Home > International Journal Of Bilogical Sciences > 2015 > Volume 11 Number 1 > Ming Wu1, Gongshe Yang2, Yaosheng Chen1, Xingyu Zhou, Hu Chen1, Mingsen Li1, Kaifan Yu1, Xumeng Zhang1, Shuihua Xie1, Ying Zhang1, Guiyan Chu2, Delin Mo1

CEP2 Attenuates Myoblast Differentiation But Does Not Affect Proliferation

Ming Wu1, Gongshe Yang2, Yaosheng Chen1, Xingyu Zhou, Hu Chen1, Mingsen Li1, Kaifan Yu1, Xumeng Zhang1, Shuihua Xie1, Ying Zhang1, Guiyan Chu2, Delin Mo1
1. State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, China; 2. Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China. Corresponding author: Delin Mo. Address: State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, China. Email: modelin@mail.sysu.edu.cn; Tel: (86) 20-39332991; Fax: (86) 20-39332940.
Abstract :

CEP2 (CDC42EP2) is a member of the CDC42 subfamily that belongs to the Rho family. The Rho family plays an important role in a variety of cellular processes including skeletal myogenesis. Here, we find the expression of CEP2 increased significantly during C2C12 myogenesis. Overexpression of CEP2 could attenuate myoblast differentiation, while knockdown of CEP2 by siRNA results in enhancing myogenesis. Furthermore, we demonstrate for the first time that CEP2 attenuates myoblast differentiation via suppression of muscle regulatory factors (MRFs) rather than influencing myoblast proliferation. These results indicate that CEP2 acts as a repressor during myogenesis, which provides new insights into the role of CEP2 in muscle development.

Keywords :
CEP2; myogenesis; skeletal muscle; myoblast proliferation.

Date Deposited : 15 Feb 2016 12:01

Last Modified : 15 Feb 2016 12:01

Official URL: http://www.ijbs.com/v11i1

Volume 11, Number 1, - 2015 , ISSN 1449-2288

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