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Relaxin-expressing adenovirus decreases collagen synthesis and up-regulates matrix metalloproteinase expression in keloid fibroblasts: in vitro experiments

Authors
 Lee, Won Jai  ;  Choi, Il-Kyu  ;  Lee, Ju Hee  ;  Lee, Jung-Sun  ;  Kim, Yong Oock  ;  Rah, Dong Kyun  ;  Yun, Chae-Ok 
Citation
 Plastic and Reconstructive Surgery, Vol.130(3) : 407-417, 2012 
Journal Title
 Plastic and Reconstructive Surgery 
ISSN
 0032-1052 
Issue Date
2012
Abstract
BACKGROUND: The hormone relaxin has been shown to affect the extracellular matrix by inhibiting collagen synthesis and expression in fibroblasts stimulated with a profibrotic agent. It also increases matrix metalloproteinase (MMP) expression. To investigate its effect on expression of collagen and MMPs in keloid fibroblasts and human dermal fibroblasts, the authors introduced a relaxin-expressing adenovirus (dE1-RGD/lacZ/RLX) into a human dermal fibroblast cell line and keloid fibroblasts. METHODS: Both fibroblasts were infected with dE1-RGD/lacZ/RLX or control virus, and protein levels of relaxin and secreted transforming growth factor (TGF)-β1 were assessed by enzyme-linked immunosorbent assay, and mRNA levels of collagen type I, collagen type III, MMP-1, and MMP-3 were assessed by real-time reverse-transcriptase polymerase chain reaction and enzyme-linked immunosorbent assay. Expression of Smad3 and phosphorylated Smad3 was also examined, and relaxin's effect on Smad2/3 complex localization was evaluated. RESULTS: When human dermal fibroblasts and keloid fibroblasts were transduced with dE1-RGD/lacZ/RLX or dE1-RGD/lacZ (control), mRNA expression of type I and type III collagen was markedly decreased by relaxin regardless of TGF-β (10 ng/ml) treatment. Expression of Smad3 and phosphorylated Smad3 was reduced in keloid fibroblasts and decreased translocation of Smad 2/3 complex from cytosols to the nucleus of the human dermal fibroblasts with TGF-β after dE1-RGD/lacZ/RLX transduction, suggesting that relaxin reduces collagen synthesis by blocking TGF-β signaling. Analyses revealed that MMP-1 and MMP-3 expression were significantly increased in human dermal fibroblasts and keloid fibroblasts after dE1-RGD/lacZ/RLX transduction. CONCLUSION: These results suggest that the antifibrotic effect of relaxin-expressing adenovirus may have therapeutic effects on keloids.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00006534-201209000-00007&LSLINK=80&D=ovft
DOI
10.1097/PRS.0b013e31825dbf56
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Dermatology (피부과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Plastic and Reconstructive Surgery (성형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Yong Oock(김용욱) ORCID logo https://orcid.org/0000-0002-3756-4809
Rah, Dong Kyun(나동균)
Lee, Won Jai(이원재) ORCID logo https://orcid.org/0000-0003-3056-0503
Lee, Ju Hee(이주희) ORCID logo https://orcid.org/0000-0002-1739-5956
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/91671
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