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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 342 - 342
1 Jul 2014
Sun Y Roberts A Haines N Ruffolo M Mauerhan D Hanley E
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Summary

PCA-III, a phosphocitrate analog, acts not only as a potent calcification inhibitor but also as a protective agent for extracellular matrices. PCA-III has potential as a disease-modifying drug in the treatment of primary osteoarthritis and posttraumatic osteoarthritis in humans.

Introduction

Phosphocitrate (PC) inhibits the development of primary osteoarthritis (OA) in Hartley guineas pigs but not menisectomy-induced OA in rabbits (1). We sought to examine the molecular mechanisms underlying the disease-modifying activity of PC, and evaluate the effect of PCA-III, a PC analog (PCA), on the development of primary and secondary OA.