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Science 10 August 1973:
Vol. 181. no. 4099, pp. 564 - 566
DOI: 10.1126/science.181.4099.564
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Articles

Intestinal Calcium Transport: Stimulation by Low Phosphorus Diets

Y. Tanaka 1, H. Frank 1, and H. F. DeLuca 1

1 Department of Biochemistry, College of Agricultural and Life Sciences, University of Wisconsin, Madison 53706

Rats maintained on a low phosphorus diet supplemented with 25-hydroxyvitamin D3 show high intestinal calcium transport activity as compared to rats similarly treated but fed a diet containing adequate phosphorus. This increased transport activity is correlated with an increased biosynthesis of 1,25-dihydroxyvitamin D3, the probable metabolically active form of the vitamin in the intestine.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
"Phosphatonins" and the regulation of phosphorus homeostasis.
T. J. Berndt, S. Schiavi, and R. Kumar (2005)
Am J Physiol Renal Physiol 289, F1170-F1182
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The Phosphatonins and the Regulation of Phosphorus Homeostasis.
T. Berndt and R. Kumar (2005)
IBMS BoneKEy 2, 5-16
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1,25-Dihydroxyvitamin D in biological fluids: a simplified and sensitive assay.
J. Eisman, A. Hamstra, B. Kream, and H. DeLuca (1976)
Science 193, 1021-1023
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