Magnesium: metabolism and hormonal regulation in different species.
1. The magnesium ion is of great importance in physiology by its intervention in 300 enzymatic systems, its membrane role and its function in neuromuscular excitability. 2. The skeleton is the first pool of magnesium in the animal body. 3. For intestinal absorption, renal metabolism, bone accretion and resorption, magnesium shows analogies with calcium. 4. Magnesium exchange between extracellular, cellular and skeletal compartments are very precisely controlled. 5. Parathyroid hormone, 1 alpha, 25-dihydroxy-vitamin D3, calcitonin and estrogens are the principal hormone systems implicated in magnesium metabolism. 6. The kidney is the principal site of magnesium excretion and shows important magnesium regulation mechanisms.
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Department of Biochemistry, Faculté de Médecine Pitié-Salpêtrière, 91 Boulevard de l'Hôpital, 75634 Paris Cedex 13, France.
Touitou
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D000818:Animals; D002118:Calcium / Q000378:metabolism; D006728:Hormones / Q000502:physiology*; D006801:Humans; D008274:Magnesium / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism; D013045:Species Specificity
D006728:Hormones; D008274:Magnesium; D011188:Potassium; D002118:Calcium