Abstract

We have developed a rat model of inflammation-mediated osteopenia. Generalized loss of trabecular bone occurs in the rat after sc injection of nonspecific irritants such as talcum (magnesium silicate) and cotton wool (Cellulose). Although it appears likely that a systemic mediator of bone resorption is responsible for these effects, the loss of bone was not due to increased PTH secretion, since it occurred in parathyroidectomized rats, nor due to excessive 1,25-dihydroxyvitamin-D3 production. In parathyroidectomized rats, this inflammation was associated with significant increase in serum calcium within 4-7 days independent of its cause. Identification and characterization of this mechanism may provide insight into the bone loss associated with chronic inflammatory diseases such as rheumatoid arthritis and periodontal disease.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.