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Effects of thymosin β4 on wound healing of rat palatal mucosa

Authors
 Tingting Zhu  ;  Hee Chul Park  ;  Kyung Mi Son  ;  Ji Hyun Kwon  ;  Jong-Chul Park  ;  Hyeong-Cheol Yang 
Citation
 International Journal of Molecular Sciences, Vol.34(3) : 816-821, 2014 
Journal Title
 International Journal of Molecular Sciences 
ISSN
 1107-3756 
Issue Date
2014
Abstract
The objective of the present study was to investigate the effect of thymosin β4 (Tβ4) on the wound healing of rat palatal (RP) mucosa and related cellular properties. Cell viability, adhesion and migration of primary cultured RP cells were observed in the presence of Tβ4 at various concentrations ranging from 1 to 1,000 ng/ml. The mRNA and protein expression of matrix metalloproteinase 2 (MMP2) and vascular endothelial growth factor (VEGF) in Tβ4-treated RP cells was assessed by quantitative polymerase chain reaction (RT-qPCR) and western blot analysis, respectively. For the in vivo assay, Tβ4 was applied to excisional wounds (3 mm in diameter) that were made in the center of the palate (n=6). Images of the wound areas were captured and assessed histologically one week after surgery. Tβ4 did not affect cell viability and adhesion, but RP cell migration was stimulated by Tβ4 at concentrations of 100 and 1,000 ng/ml. Tβ4 also increased the mRNA and protein expression of MMP2 and VEGF in RP cells. In the animal model, palatal wound closure was significantly enhanced in rats treated with Tβ4. The results of the present study indicated that Tβ4 promotes the wound healing of RP mucosa. Enhancement of RP cell migration and angiogenesis is likely to be involved in the promotion of wound healing.
Full Text
http://www.spandidos-publications.com/ijmm/34/3/816
DOI
10.3892/ijmm.2014.1832
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
박종철(Park, Jong Chul) ORCID logo https://orcid.org/0000-0003-0083-5991
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/99362
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