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TGF-β1 antisense therapy modulates expression of matrix metalloproteinases in keloid-derived fibroblasts

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Transforming growth factor-β1 (TGF-β1) has been identified as an important regulator of wound healing. Recent developments in molecular therapy offer exciting prospects for the modulation of wound healing, specifically those targeting TGF-β1. The purpose of this study was to analyze the effect of TGF-β1 targeting on the expression of matrix metalloproteinases (MMPs) in fibroblasts cultured from earlobe keloids. The expression of MMP-2 and -9 in tissue samples from keloids was investigated by immunohistochemistry. The effect of TGF-β1 targeting using antisense oligonucleotides on the expression of MMPs in keloid-derived fibroblasts was analysed by ELISA and multiplex RT-PCR. Immunohistochemical studies demonstrated an increased expression of MMP protein in tissue samples from keloids compared to normal human skin. Antisense TGF-β1 oligonucleotide treatment significantly downregulated MMP-9 secretion in vitro. In conclusion, TGF-β1 antisense oligonucleotide technology may be a potential therapeutic option for the inhibition of proteolytic tissue destruction in keloids.
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Document Type: Research Article

Affiliations: Department of Otolaryngology, Head and Neck Surgery, University Hospital of Mannheim, Theodor-Kutzer-Ufer, D-68135 Mannheim, Germany., Email: [email protected]

Publication date: January 1, 2008

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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