{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T21:01:36Z","timestamp":1774645296790,"version":"3.50.1"},"reference-count":54,"publisher":"American Physiological Society","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Endocrinology and Metabolism"],"published-print":{"date-parts":[[2012,4,1]]},"abstract":"<jats:p> Although the calcium-sensing receptor (CaSR) and parathyroid hormone (PTH) may each exert skeletal effects, it is uncertain how CaSR and PTH interact at the level of bone in primary hyperparathyroidism (PHPT). Therefore, we simulated PHPT with 2 wk of continuous PTH infusion in adult mice with deletion of the PTH gene ( Pth<jats:sup>\u2212\/\u2212<\/jats:sup> mice) and with deletion of both PTH and CaSR genes ( Pth<jats:sup>\u2212\/\u2212<\/jats:sup>- Casr <jats:sup>\u2212\/\u2212<\/jats:sup> mice) and compared skeletal phenotypes. PTH infusion in Pth<jats:sup>\u2212\/\u2212<\/jats:sup> mice increased cortical bone turnover, augmented cortical porosity, and reduced cortical bone volume, femoral bone mineral density (BMD), and bone mineral content (BMC); these effects were markedly attenuated in PTH-infused Pth<jats:sup>\u2212\/\u2212<\/jats:sup>- Casr<jats:sup>\u2212\/\u2212<\/jats:sup> mice. In the absence of CaSR, the PTH-stimulated expression of receptor activator of nuclear factor-\u03baB ligand and tartrate-resistant acid phosphatase and PTH-stimulated osteoclastogenesis was also reduced. In trabecular bone, PTH-induced increases in bone turnover, trabecular bone volume, and trabecular number were lower in Pth<jats:sup>\u2212\/\u2212<\/jats:sup>- Casr<jats:sup>\u2212\/\u2212<\/jats:sup> mice than in Pth<jats:sup>\u2212\/\u2212<\/jats:sup> mice. PTH-stimulated genetic markers of osteoblast activity were also lower. These results are consistent with a role for CaSR in modulating both PTH-induced bone resorption and PTH-induced bone formation in discrete skeletal compartments. <\/jats:p>","DOI":"10.1152\/ajpendo.00599.2011","type":"journal-article","created":{"date-parts":[[2012,1,25]],"date-time":"2012-01-25T01:42:57Z","timestamp":1327455777000},"page":"E841-E851","source":"Crossref","is-referenced-by-count":33,"title":["The calcium-sensing receptor complements parathyroid hormone-induced bone turnover in discrete skeletal compartments in mice"],"prefix":"10.1152","volume":"302","author":[{"given":"Yingben","family":"Xue","sequence":"first","affiliation":[{"name":"Calcium Research Laboratory and Department of Medicine, McGill University Health Centre;"},{"name":"Centre for Bone and Periodontal Research, McGill University;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongjun","family":"Xiao","sequence":"additional","affiliation":[{"name":"Centre for Bone and Periodontal 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