Evidence for circadian rhythms in the serum levels of the vitamin D-dependent calcium-binding protein and in the activity of the 25-hydroxyvitamin D3-1-alpha-hydroxylase in the chick: studies on the mode of action of calciferol.
D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase / Q000378:metabolism*; D000818:Animals; D002135:Calcium-Binding Proteins / Q000097:blood*; D002645:Chickens; D002940:Circadian Rhythm; D003624:Darkness; D007668:Kidney / Q000201:enzymology*; D008027:Light; D008297:Male; D064030:S100 Calcium Binding Protein G / Q000097:blood*; D013250:Steroid Hydroxylases / Q000378:metabolism*
D002135:Calcium-Binding Proteins; D064030:S100 Calcium Binding Protein G; D013250:Steroid Hydroxylases; D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase