Open AccessDiurnal rhythm of plasma 1,25-dihydroxyvitamin D and vitamin D-binding protein in postmenopausal women: relationship to plasma parathyroid hormone and calcium and phosphate metabolism
Author(s) -
Lars Rejnmark,
A. L. Lauridsen,
Peter Vestergaard,
Lene Heickendorff,
F. Andreasen,
Leif Mosekilde
Publication year - 2002
Publication title -
european journal of endocrinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.897
H-Index - 148
eISSN - 1479-683X
pISSN - 0804-4643
DOI - 10.1530/eje.0.1460635
Subject(s) - medicine , endocrinology , circadian rhythm , diurnal temperature variation , parathyroid hormone , chemistry , morning , vitamin d binding protein , excretion , vitamin d and neurology , calcium , nocturnal , biology , atmospheric sciences , geology
Diurnal variations in plasma levels of 1,25-dihydroxyvitamin D (1,25(OH)(2)D) have previously only been investigated in young individuals, and these studies have failed to demonstrate a diurnal rhythm. We have studied whether plasma levels of 1,25(OH)(2)D and vitamin D-binding protein (DBP) vary in a diurnal rhythm in postmenopausal women.
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