The secreted protein acidic and rich in cysteine (SPARC), also known as osteonectin, plays an important role in osteoblast formation, maturation, and survival.

Summary

The secreted protein acidic and rich in cysteine (SPARC), also known as osteonectin, plays an important role in osteoblast formation, maturation, and survival. Here, we report the effects of recombinant human parathyroid hormone (1-34) [rhPTH (1-34)], a bone formation-stimulating agent, and elcatonin on plasma SPARC levels in patients with osteoporosis. The rhPTH (1-34) treatment significantly increased plasma SPARC levels, and the change of plasma SPARC correlated positively with changes of lumbar bone mineral density (BMD) at L2–L4. These results unveil that SPARC may be a novel marker related to the regulation of bone formation.

Autor: L. Zhang, L. Li, M. Yang, K. Xu, G. Boden, G. Yang

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