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International Journal Of Bilogical Sciences

.: Home > International Journal Of Bilogical Sciences > 2014 > Volume 10 Number 5 > Jie Liu1, Juan Li1, Yu Ren2, Peijun Liu1

DLG5 in Cell Polarity Maintenance and Cancer Development

Jie Liu1, Juan Li1, Yu Ren2, Peijun Liu1
1. Center for Translational Medicine, the First Affiliated Hospital of Xian Jiaotong University College of Medicine; 2. Department of Surgical Oncology, the First Affiliated Hospital of Xian Jiaotong University College of Medicine.  Corresponding author: Peijun Liu, Ph.D.&M.D., Professor, Email: liupeijun@mail.xjtu.edu.cn, Tel: 086-18991232306, Address: 277 Yanta Western Rd., Xi’an, Shaan Xi Province, China, 710061
Abstract :

Failure in establishment and maintenance of epithelial cell polarity contributes to tumorigenesis. Loss of expression and function of cell polarity proteins is directly related to epithelial cell polarity maintenance. The polarity protein discs large homolog 5 (DLG5) belongs to a family of molecular scaffolding proteins called Membrane Associated Guanylate Kinases (MAGUKs). As the other family members, DLG5 contains the multi-PDZ, SH3 and GUK domains. DLG5 has evolved in the same manner as DLG1 and ZO1, two well-studied MAGUKs proteins. Just like DLG1 and ZO1, DLG5 plays a role in cell migration, cell adhesion, precursor cell division, cell proliferation, epithelial cell polarity maintenance, and transmission of extracellular signals to the membrane and cytoskeleton. Since the roles of DLG5 in inflammatory bowel disease (IBD) and Crohn's disease (CD) have been reviewed, here, our review focuses on the roles of DLG5 in epithelial cell polarity maintenance and cancer development

Keywords :
DLG5, epithelial cell polarity, EMT, cell proliferation, migration.

Date Deposited : 09 Feb 2016 10:32

Last Modified : 09 Feb 2016 10:32

Official URL: http://www.ijbs.com/v10i5

Volume 10, Number 5, - 2014 , ISSN 1449-2288

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