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Inducing re-epithelialization in skin wound through cultured oral mucosal keratinocytes

Title
 Inducing re-epithelialization in skin wound through cultured oral mucosal keratinocytes
Authors
 Hyun Sil Kim; Nam Hee Kim; In Ho Cha; Jin Kim
Issue Date
2013
Journal Title
 대한구강악안면외과학회지
ISSN
 2234-7550
Citation
 대한구강악안면외과학회지, Vol.39(2) : 63~70, 2013
Abstract
Objectives The purpose of this study was to investigate the wound healing effect of primary cultured oral mucosal keratinocytes (OMKs) and to assess their roles in skin wounds. Materials and Methods OMK labeled with BromodeoxyUridine were scattered onto 1.5×1.5 cm skin defects of adult female nude mice (OMK group, n=15). For the control, culture media were placed on the wound (control group, n=15). Mice in both groups were sacrificed at three days (n=5), one week (n=5), and two weeks (n=5), and histomorphometric and immunoblot analyses with keratinocyte growth factor (KGF), interleukin (IL)-6, and IL-1α antibody were performed for the biopsied wound specimen. To verify the effect of the cytokine, rhIL-1α was applied instead of OMK transplantation, and the OMK and control groups were compared with regard to re-epithelialization. Results Histomorphometric analyses demonstrated faster re-epithelialization in the graft group than in the control group at the third day, first week, and second week. Newly forming epithelium showed maintenance of the histological character of the skin epithelium. The graft group showed superior expression of KGF, IL-6, and IL-1α protein, compared with the control group. Similar faster re-epithelialization was observed after treatment with rhIL-1α instead of OMK transplantation. Conclusion We successfully confirmed that the graft of primary cultured OMKs promoted regeneration of skin defects. The mechanism of accelerated wound healing by primary cultured OMKs was attributed to inducement of cytokine expression as required for re-epithelialization.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/86974
DOI
10.5125/jkaoms.2013.39.2.63
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Oral and Maxillofacial Surgery
1. 연구논문 > 2. College of Dentistry > Dept. of Oral Pathology
1. 연구논문 > 5. Research Institutes > Oral Cancer Research Institute
Yonsei Authors
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