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논문 기본 정보

자료유형
학술저널
저자정보
김병준 (서울대학교병원) 박정근 (Faceplus Aesthetic Clinic) 김병규 (서울대학교) 박수진 (서울대학교) 김민경 (서울대학교) 이창원 (Hana Academy Seoul) 최라미 (서울대학교(연건캠퍼스) 치학연구소) 허지안 (영남대학교 의과대학 내과학교실) 김상현 (계명대학교) 범재원 (충남대학교) 김정윤 (단국대학교) 오병모 (서울대학교병원) 최태현 (서울대학교) 김석화 (서울대학교)
저널정보
한국조직공학과 재생의학회 조직공학과 재생의학 조직공학과 재생의학 제14권 제3호
발행연도
2017.1
수록면
297 - 306 (10page)

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Wound healing is composed of a complex process that requires harmonies of various cell populations where fibroblasts play the main role. Oligomeric procyanidins (OPC) are main components of grape (Vitis vinifera) seed extracts, and recent studies showed OPC’s effects on inflammation, cell migration, and proliferation. We investigated the effect of OPC on fibroblasts to regulate wound healing process. Human dermal fibroblast known as Hs27 cells were treated with various concentrations of OPC (0, 2.5, 5, 10, and 20 lg/ll). Cell cytotoxicity was evaluated by the Cell Counting Kit assay, and the expression levels of secreted procollagen were analyzed. Procollagen levels in OPC treated cells exposed to transforming growth factor beta 1 (TGF-b1) or ascorbic acid were evaluated using Western blot and immunocytochemistry. Relative mRNA expressions of procollagen, molecular chaperone such as HSP47, P4H were determined by real-time PCR in OPC treated cells. OPC showed no cytotoxicity on Hs27 cells at every concentration but inhibited procollagen secretion in a dose-dependent manner. The inhibitory effect also appeared under TGF-b1 induced collagen overproduction. Immunocytochemistry showed that higher levels of intracytoplasmic procollagen were accumulated in TGF-b1 treatment group, whereas ascorbic acid induced a release of accumulated procollagen under OPC treatment. The mRNA expressions of procollagen, molecular chaperone were not affected by OPC, but procollagen level was increased when exposed to TGF-b1. OPC inhibits procollagen secretion from fibroblasts with no effects on cell proliferations even under the environment of TGF-b1-induced collagen overproduction. OPC could regulate the diseases and symptoms of abnormal overabundant collagen production.

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