Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 324, Issue 3, Pages 1053-1058Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2004.09.153
Keywords
WGEF; guanine nucleotide exchange factor; RhoGEF; Rho GTPases
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Rho family GTPases regulate multiple cellular processes through their downstream effectors, where their activities are stimulated by the guanine nucleotide exchange factors. Here, we report a new member of RhoGEF, WGEF, which has the classical structure of DH-PH domain and a C-terminal SH3 domain. WGEF was shown to activate RhoA, Cdc42, and Racl by pulldown assay, and forced expression of WGEF resulted in marked rearrangement of the actin cytoskeleton, which is typically seen by the activation of RhoA, Cdc42, and Racl. WGEF was highly expressed in intestine and also in liver, heart and kidney, which may suggest the involvement of WGEF in the development and functions of these organs. The expression pattern may also suggest the possible importance of WGEF in the understanding of diseases based on metabolic disorder. (C) 2004 Elsevier Inc. All rights reserved.
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