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  • Title: Porphyromonas gingivalis fimbria-stimulated bone resorption is inhibited through binding of the fimbriae to fibronectin.
    Author: Kawata Y, Iwasaka H, Kitano S, Hanazawa S.
    Journal: Infect Immun; 1997 Feb; 65(2):815-7. PubMed ID: 9009349.
    Abstract:
    Our most recent study demonstrated that fibronectin is one of the Porphyromonas gingivalis fimbria-binding proteins. In this present study, we demonstrate with mouse embryonic calvarial cells that P. gingivalis fimbria-stimulated bone resorption is inhibited by human fibronectin. The fibronectin inhibition was dose and culture time dependent and was completely neutralized by antifibronectin antibody. The inhibitory action of fibronectin depended on fimbrial interaction with the heparin-binding and cell-attachment domains in the fibronectin structure.
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