Serum ionized calcium, as well as phosphorus and parathyroid hormone, is associated with the plasma 1,25-dihydroxyvitamin D3 concentration in normal postmenopausal women.

Abstract

Serum parathyroid hormone (PTH) and low-normal serum phosphorus (P) concentrations have well-known trophic effects on renal 1-hydroxylase. A role for serum ionized calcium (Ca2+) in the day-to-day regulation of 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] has not been identified in normal humans. The associations between serum Ca2+, PTH, P, and plasma 1,25-(OH… (More)

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@article{DawsonHughes1991SerumIC, title={Serum ionized calcium, as well as phosphorus and parathyroid hormone, is associated with the plasma 1,25-dihydroxyvitamin D3 concentration in normal postmenopausal women.}, author={Bess Dawson-Hughes and S. Harris and Gerard E. Dallal}, journal={Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research}, year={1991}, volume={6 5}, pages={461-8} }