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Keratinocytes 세포의 MMP-2 및 plasmin 분비에 미치는 VEGF의 영향 Effect of VEGF on the Secretion of MMP-2 and Plasmin from Human Keratinocyte Cells

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한국생물공학회 KSBB Journal KSBB Journal 제16권 제3호
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237 - 240 (4page)
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Keratinocytes 세포의 MMP-2 및 plasmin 분비에 미치는 VEGF의 영향
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    초록·키워드

    Epithelial cell migration plays an important role in many physiological processes such as morphogenesis and wound healing, and cell mobility requires the release of the cell from its adhesion site. This is directed, at least in part, by limited proteolysis of matrix molecules by matrix metalloproteinases (MMPs). MMPs are zinc-dependent proteases produced by a variety of cell types, and have a fundamental role in tissue remodelling, tumour invasion and metastasis. In addition, the ability of cells to mediate fibrinolytic activity is largely attributed to the powerful fibrinolytic agent, plasmin. The purpose of this study was to test if vascular endothelial growth factor (VEGF) can regulate the production of MMPs and plasmin by keratinocyte cells. Supernatants from a human keratinocyte cell line grown in the presence or absence of VEGF, were analysed using gelatin and fibrin zymography. Compared with the addition of control buffer, VEGF (10ng/mL) produced ≈2.5 fold increases in cell proliferation, and ≈3.0 fold increases in MMP-2 and plasmin levels. Our results suggest that VEGF may modulate keratinocyte cell proliferating activity by increasing the abundance of MMP-2 and plasmin, and indicates a role for VEGF in the regulation of keratinocyte behaviour in wound healing and tissue remodelling.

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