Science, Vol 199, Issue 4335, 1342-1345
Copyright © 1978 by American Association for the Advancement of Science
Inhibition of bone resorption in vitro by a cartilage-derived anticollagenase factor
JE Horton,
FH Wezeman,
and
KE Kuettner
A cartilage-derived factor containing a specific collagenous inhibitor was found to block reversibly parathyroid hormone-stimulated 45Ca release from fetal rat bone in vitro. Morphologic and quantitative histometric examination revealed that this factor modulates osteoclastic activities.