Document Detail

Platelet-derived growth factor promotes the proliferation of human umbilical cord-derived mesenchymal stem cells.
MedLine Citation:
PMID:  22961649     Owner:  NLM     Status:  Publisher    
This study was designed to investigate the effect of platelet-derived growth factor (PDGF) on the proliferation of human umbilical cord mesenchymal stem cells (UC-MSCs) and further explore the mechanism of PDGF in promoting the proliferation of UC-MSCs. The human UC-MSCs were treated with different concentrations of PDGF, and the effects were evaluated by counting the cell number, the cell viability, the expression of PDGF receptors analyzed by RT-PCR, and the detection of the gene expression of cell proliferation, cell cycle and pluripotency, and Brdu assay by immunofluorescent staining and Quantitative real-time (QRT-PCR). The results showed that PDGF could promote the proliferation of UC-MSCs in vitro in a dose-dependent way, and 10 to 50 ng/ml PDGF had a significant proliferation effect on UC-MSCs; the most obvious concentration was 50 ng/ml. Significant inhibition on the proliferation of UC-MSCs was observed when the concentration of PDGF was higher than 100 ng/ml, and all cells died when the concentration reached 200 ng/ml PDGF. The PDGF-treated cells had stronger proliferation and antiapoptotic capacity than the control group by Brdu staining. The expression of the proliferation-related genes C-MYC, PCNA and TERT and cell cycle-related genes cyclin A, cyclin 1 and CDK2 were up-regulated in PDGF medium compared with control. However, pluripotent gene OCT4 was not significantly different between cells cultured in PDGF and cells analyzed by immunofluorescence and QRT-PCR. The PDGF could promote the proliferation of human UC-MSCs in vitro. Copyright © 2012 John Wiley & Sons, Ltd.
Pubin Qiu; Wencong Song; Zhiwei Niu; Yaofu Bai; Wei Li; Shaohui Pan; Sha Peng; Jinlian Hua
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-7
Journal Detail:
Title:  Cell biochemistry and function     Volume:  -     ISSN:  1099-0844     ISO Abbreviation:  Cell Biochem. Funct.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8305874     Medline TA:  Cell Biochem Funct     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 John Wiley & Sons, Ltd.
College of Veterinary Medicine, Shaanxi Stem Cell Engineering and Technology Research Center, Key Laboratory of Animal Biotechnology of Agriculture Ministry of China, Northwest A&F University, Yangling 712100, China.
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