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Free and total circulating magnesium following glucagon injection in humans
Journal Article --- Old month value: Sep
It has been postulated that parathormone, calcitonine, insulin and catecholamines are involved in extracellular magnesium homeostasis. Yet, there is still a rudimentary knowledge of the endocrine factors that control circulating magnesium homeostasis. The effects of exogenous glucagon injection on circulating total and ionized magnesium were investigated in 11 healthy humans (five females and six males, aged between 21 and 30, median 26 years). As compared with a control study, intravenous injection of a bolus of 1 mg of glucagon was associated with the expected raised glucose (at 5, 10, 20 and 30 min) and with decreased potassium (at 20 and 30 min) and inorganic phosphate (at 20 and 30 min) levels. Intravenous glucagon was not followed by significant changes in plasma total and ionized magnesium. Consequently, there is still little evidence for a glucagon-dependent control of the extracellular magnesium concentration after acute administration of glucagon.
Adult Blood Glucose/metabolism Female Glucagon/*administration & dosage Humans Injections, Intravenous Magnesium/*blood Male Potassium/blood Protein Synthesis Inhibitors/*administration & dosage
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