Y. Kawata et al., PORPHYROMONAS-GINGIVALIS FIMBRIA-STIMULATED BONE-RESORPTION IS INHIBITED THROUGH BINDING OF THE FIMBRIAE TO FIBRONECTIN, Infection and immunity, 65(2), 1997, pp. 815-817
Our most recent study demonstrated that fibronectin is one of the Porp
hyromonas 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 wa
s completely neutralized by antifibronectin antibody. The inhibitory a
ction of fibronectin depended on fimbrial interaction with the heparin
-binding and cell-attachment domains in the fibronectin structure.