نتایج جستجو برای: mineral metabolism
تعداد نتایج: 287914 فیلتر نتایج به سال:
The serum levels of calcium (Ca) and phosphate are maintained higher in the fetus than in the pregnant mother, especially in late gestation, to meet the demands of fetal bone development. In order to maintain this fetal stage-specific mineral homeostasis, the placenta plays a critical role through active transcellular mineral transport. Although the molecular mechanism of transplacental Ca tran...
CKD leads to disturbances in multiple interrelated hormones that regulate bone and mineral metabolism. The renal handling of mineral metabolism hormones in humans is incompletely understood. We determined the single-pass renal clearance of parathyroid hormone, fibroblast growth factor 23, vitamin D metabolites, and phosphate from paired blood samples collected from the abdominal aorta and renal...
Trace minerals exist in cells and tissues of the animal body in a variety of chemical combinations, and in characteristic concentrations, depending on the trace mineral consumed and the tissue in which the trace mineral is metabolized (McDowell, 1992; Underwood and Suttle, 1999). Concentrations of trace minerals must be maintained within narrow limits in a cell (McDowell, 1989, 1992; Underwood ...
Background and Objective: Chronic use of antiepileptic drugs may influence the bones and their mineral metabolism due to deficiency of vitamin D3. In this study we investigated the effect of high dose vitamin D3 on bones and their mineral metabolism. Materials and Methods: Fifty six children older that 3 years old who were affected by epilepsy and had taken the antiepileptic drugs at least for ...
Vitamin D comprises a group of fat-soluble pro-hormones, obtained from sun exposure, food, and supplements, and it must undergo two hydroxylation reactions to be activated in the body. Several studies have shown the role of vitamin D in mineral metabolism regulation, especially calcium, phosphorus, and bone metabolism. Some factors such as inadequate vitamin intake and liver or kidney disorders...
91 Kirchgessner, M., Munz, W. & OeIscWiger, W. (1960) . Arch. Tierwnuhr. 10, I . Marston, H. R. (1970). B7.J Nzitr. zq, 615. Mills, C. F. (editor) (1970). Trace Element Metabolism in Animals. Edinburgh: Livingstone. Mills, C . F., Dalgarno, A. C., Williams, R. B. & Quarterman, J. (1967) . BY.?. Nutr. 21, 7 5 1 . National Research Council (1960) . Publs natn. Res. Coun., Wush. no. 827. National ...
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OBJECTIVES Complications such as ascites during the pathogenesis of hepatic fibrosis and cirrhosis may lead to several abnormalities in mineral metabolism. In the present investigation, we have monitored serum and liver concentrations of calcium, magnesium, sodium and potassium during experimentally induced hepatic fibrosis in rats. DESIGN AND METHODS The liver injury was induced by intraperi...
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