Document Detail

Localization and Function of KLF4 in Cytoplasm of Vascular Smooth Muscle Cell.
MedLine Citation:
PMID:  23726909     Owner:  NLM     Status:  Publisher    
The Krüppel-like factor 4 is a DNA-binding transcriptional regulator that regulates a diverse array of cellular processes, including development, differentiation, proliferation, and apoptosis. The previous studies about KLF4 functions mainly focused on its role as a transcription factor, its functions in the cytoplasm are still unknown. In this study, we found that PDGF-BB could prompt the translocation of KLF4 to the cytoplasm through CRM1-mediated nuclear export pathway in vascular smooth muscle cells (VSMCs) and increased the interaction of KLF4 with actin in the cytoplasm. Further study showed that both KLF4 phosphorylation and SUMOylation induced by PDGF-BB participates in regulation of cytoskeletal organization by stabilizng the actin cytoskeleton in VSMCs. In conclusion, these results identify that KLF4 participates in the cytoskeletal organization by stabilizing cytoskeleton in the cytoplasm of VSMCs.
Yan Liu; Bin Zheng; Xin-Hua Zhang; Chan-Juan Nie; Yong-Hui Li; Jin-Kun Wen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-5-30
Journal Detail:
Title:  Biochemical and biophysical research communications     Volume:  -     ISSN:  1090-2104     ISO Abbreviation:  Biochem. Biophys. Res. Commun.     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-6-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372516     Medline TA:  Biochem Biophys Res Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013. Published by Elsevier Inc.
Department of Biochemistry and Molecular Biology, the Key Laboratory of Neurobiology and Vascular Biology, China; The Third Hospital of Hebei Medical University, Shijazhuang, China.
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