Abstract
The inhibitory effect of calcitonin on bone resorption is a well documented phenomenon (5, 7). However, its physiologic importance in man is still uncertain. From earlier studies (4, 6, 9, 11) counteraction against hypercalcemia through inhibition of bone calcium resorption appeared to be the most probable role. Since physiologic hypercalcemia may be provoked by intestinal absorption of dietary calcium, the role of calcitonin has been evaluated by administering oral calcium loads to athyroid animals (3, 8). Studies in man have also been carried out (2). In the present investigation on athyroid and control subjects, a larger oral calcium load than in the previous study was administered in order to further evaluate the role of endogenous calcitonin in the control of postprandial hypercalcemia. In addition the possibility that other factors beside calcitonin are playing a role in antagonizing hypercalcemia was taken into consideration and ruled out after comparison of the curves of blood stable calcium increment and of the cumulative fractional intestinal calcium absorption.
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References
Birge, S.J., Peck, W.A., Berman, M. and Whedon, G.D.: Study of calcium absorption in man: A kinetic analysis and physiologic model. J. clin. Invest. 48, 1705–1713 (1969)
Coen, G., Mazzuoli, G.F., Antonozzi, I. and Scarda, A.: Role of the thyroid gland in blood calcium homeostasis during intestinal calcium absorption in man. Metabolism 23, 709–714 (1974)
Cooper, C.W., Schwesinger, W.H., Mahgoub, A.M., Ontjes, D.A., Gray, T.K. and Munson, P.L.: Regulation of secretion of thyrocalcitonin. In: Calcium, Parathyroid Hormone and the Calcitonins, Excerpta Medica (Amst.), pp. 128–139 (1972)
DeLuca, H.F., Morii, H. and Melancon, M.J. Jr.: The interaction of vitamin D, parathyroid hormone and thyrocalcitonin. In: Parathyroid Hormone and Thyrocalcitonin (Calcitonin), Excerpta Medica (Amst.), pp. 448–454 (1968)
Friedman, J. and Raisz, L.G.: Thyrocalcitonin: Inhibition of bone resorption in tissue culture. Science 150, 1465–1467 (1965)
Hirsch, P.F. and Munson, P.L.: Importance of thyroid gland in the prevention of hypercalcemia in rats. Endocrinology 79, 655–658 (1966)
Milhaud, G., Perault, A.M. and Moukhtar, M.S.: Étude du mechanisme de l’action hypocalcémiante de la thyrocalcitonine. C.R. Acad. Sci. (Paris) 261, 813–816 (1965)
Munson, P.L. and Gray, T.K.: Function of thyrocalcitonin in normal physiology. Fed. Proc. 29, 1206–1208 (1970)
Talmage, R.V., Neuenschwander, J. and Kraintz, L.: Evidence for the existence of thyrocalcitonin in the rat. Endocrinology 76, 103–107 (1965)
Tothill, P., Dellipiani, A.N. and Calvert, J.: Plasma concentrations of radiocalcium after oral administration and their relationship to absorption. Clin. Sci. 38, 27–39 (1970)
Sanderson, P.H., Marshall, F. and Wilson, R.E.: Calcium and phosphorus homeostasis in the parathyroidectomized dog: Evaluation by means of ethylenediaminetetracetate and calcium tolerance test. J. clin. Invest. 39, 662–670 (1960)
Wills, M.R. and Gray, B.C.: Micromethod for the estimation of calcium by autoanalyzer. J. clin. Path. 17, 687–689 (1964)
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© 1976 Springer-Verlag Berlin Heidelberg
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Coen, G., Palagi, B. (1976). Calcitonin and Blood Calcium Homeostasis during Intestinal Calcium Absorption in Man. In: Nielsen, S.P., Hjørting-Hansen, E. (eds) Calcified Tissues 1975. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-29272-3_44
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DOI: https://doi.org/10.1007/978-3-662-29272-3_44
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