doi: 10.1111/j.1365-2265.1976.tb03842.x.
Acute effects of calcitonin on osteoclasts in man
- PMID: 1053251
- DOI: 10.1111/j.1365-2265.1976.tb03842.x
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Acute effects of calcitonin on osteoclasts in man
Clin Endocrinol (Oxf).
1976.
Abstract
To determine the mechanism by which calcitonin acutely decreases bone resorption in man, salmon or human calcitonin was administered intravenously to five patients with Paget's disease of bone immediately after an iliac crest bone biopsy. After 30 min an adjacent bone biopsy was taken and both were evaluated by light and electron microscopy. The results indicated that calcitonin both decreases the number of osteoclasts and alters the ultrastructure of these cells. Thes acute effects of calcitonin on osteoclasts confirm findings in other species and provide evidence in man that calcitonin, at least in part, retards bone resorption by inhibiting osteoclastic activity.
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