24,25 D3=24,25 dihydroxyvitamin D3
Increased renal catabolism of 1,25 dihydroxyvitamin D3 in murine X linked hypophosphatemic rickets
... renal 25-hydroxyvitamin D3-24-hydroxylase activity in Hyp mice is associated with increased degradation of 1,25-dihydroxyvitamin D3 [1,25(OH)2D3] by side chain ...
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25-hydroxyvitamin D3 and 1,25-dihydroxyvitamin D3 exert distinct effects on human skeletal muscle function and gene expression
... Measurement of vitamin D metabolites was performed by liquid chromatography tandem- mass spectrometry (LC-MS/MS) as previously described [7]. Briefly, samples were prepared for analysis by protein precipitation followed ...
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Regulation of 1,25 dihydroxyvitamin D3 receptor gene expression by 1,25 dihydroxyvitamin D3 in the parathyroid in vivo
... 1,25(OH)2D receptor (VDR) in the parathyroid in vivo. Rats were injected with 1,25(OH)2D3 and the parathyroid-thyroid tissue analyzed for PTHmRNA and VDRmRNA. 1,25(OH)2D3 (50 and 100 pmol ip) decreased PTHmRNA at 6 h ...
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Enterohepatic physiology of 1,25 dihydroxyvitamin D3
... within 24 h. The process by which products of 1,25-dihydroxyvitamin D3 were excreted in bile was not saturable in the dose range tested ...1,25-dihydroxyvitamin D3 present in bile were ...
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Impaired stimulation of 25 hydroxyvitamin D 24 hydroxylase in fibroblasts from a patient with vitamin D dependent rickets, type II A form of receptor positive resistance to 1,25 dihydroxyvitamin D3
... detection of 1,25-(OH)2D3 action in normal skin fibroblasts. Following treatment of normal cell monolayers with 1,25-(OH)2D3 there was more than a 20-fold increase of 25-hydroxy- vitamin D-24-hydroxylase ...
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Effects of I ,25-Dihydroxyvitamin-D3 on Renal Function, Mineral Balance, and Growth in Children with Severe Chronic Renal Failure
... 24,25-dihydroxyvitamin-D3 secretion, especially in relation to phosphorus,44’45 is being investigated by various laboratories.46’47 The role of hyperphospha- temia in suppressing serum c[r] ...
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1 alpha,25 dihydroxyvitamin D3 suppresses proliferation and immunoglobulin production by normal human peripheral blood mononuclear cells
... dihydroxyvitamin D3 (24,25-(OH)2-D3) had a similar inhibitory effect. 1,25-(OH)2-D3 was not cytotoxic and did not affect unactivated ...1,25-(OH)2- D3 is a potent inhibitor of human PBM ...
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The effects of 1α,25 dihydroxyvitamin D3 on matrix metalloproteinase and prostaglandin E2 production by cells of the rheumatoid lesion
... Prostaglandins are primary mediators of inflammation and have important roles in the immune response and the inflammatory processes associated with rheumatoid arthri- tis, and PGE 2 has been implicated in the ...
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Effect of age on the conversion of 25 hydroxyvitamin D3 to 1,25 dihydroxyvitamin D3 by kidney of rat
... dihydroxyvitamin D3 after 24 h compared with ...tritiated 25-hydroxyvitamin D3 to its products was also measured directly in isolated slices of renal ...1,25-Dihydroxyvitamin ...
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Vitamin D dependent rickets type II Defective induction of 25 hydroxyvitamin D3 24 hydroxylase by 1,25 dihydroxyvitamin D3 in cultured skin fibroblasts
... 1,25(OH)2D or vitamin D-dependent rickets type II (DD II). Fibroblasts were preincubated with varying concentrations of 1,25(OH)2D3 for 15 h and were then incubated with 0.5 microM [3H]25(OH)D3 at 37 ...
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Optimal bone fracture repair requires 24R,25 dihydroxyvitamin D3 and its effector molecule FAM57B2
... the 24-hydroxylated metabolite 24R,25(OH) 2 D 3 (15, 16), as preincubation with either 25(OH)D 3 ; 1,25(OH) 2 D 3 ; 1,24,25(OH) 3 D 3 ; or the non-natural epimer 24S,25(OH) 2 D 3 (15, 16) was ...
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The Influence of 1α.25-Dihydroxyvitamin D3 Coating on Implant Osseointegration in the Rabbit Tibia
... based on a previous in vitro investigation [18]. 1.25-(OH) 2 D 3 was diluted in ≥ 99.5% ethanol until desired concentrations were achieved. The implants were soaked in the respective solution for 1 h and thereafter were ...
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The association between serum 25-hydroxyvitamin D3 concentration and serum lipids in the rural population of China
... The strengths of our study contained the strict sam- pling design and the rigorous research protocols in demographic data collection and laboratory assays. Few research have study the rural population, which accounts for ...
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The human vascular vitamin D hormonal system expression and regulation
... terminal extension). The longer protein structural variant is called VDR-B1 and makes up about 30% of total VDR found in kidney. In vitro studies using different cell lines derived from kidney (COS1 and HEK293) breast ...
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Radioligand receptor assay for 25 hydroxyvitamin D2/D3 and 1 alpha, 25 dihydroxyvitamin D2/D3
... alpha, 25-dihydroxyvitamin D3 [1alpha, 25-(OH)2D3] has been extended to include the immediate precursor of this hormone, 25-hydroxyvitamin D3 ...namely. 25-hydroxyvitamin ...
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Effect of 25 Hydroxycholecalciferol (25 OH D3) on Productive Performance and Bone Mineralization in Broiler
... tion, other studies have found that increased serum levels of calcium (Ca) and phosphorus (P), improving bone mineralization [15]. In this way, it reduces the levels of Ca and P to include in the diet and the incidence ...
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The relationship between dairy intake, body composition, physical activity, and bone health among pre pubertal children : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Human Nutrition at Massey University, Palmerston North, New Zealand
... Percent body fat 1α,25- dihydroxyvitamin D3 Adequate intake Bone mineral content Bone mineral density Bone mineral density childhood study Body mass index Bone morphogenic protein Bone m[r] ...
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Ligation of TLR9 induced on human IL 10–secreting Tregs by 1α,25 dihydroxyvitamin D3 abrogates regulatory function
... however its functional relevance remains unclear. Here we have shown that TLR9 is highly expressed by human Treg secreting the antiinflammatory cytokine IL-10 induced following stimulation of blood and tissue CD3 + T ...
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Effects of Cortisone Administration on the Metabolism and Localization of 25 Hydroxycholecalciferol in the Rat
... Previous studies in the rat failed to demonstrate an effect of glucocorticoid treatment on the hepatic conversion of the parent vitamin to 25-hydroxycholecalciferol (25-HCC). Moreover, pharmacologic doses ...
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Circulating 25-Hydroxyvitamin D3 in Pregnancy and Infant Neuropsychological Development
... versus foreign), parental social class (de fi ned as maternal or paternal oc- cupation during pregnancy based on the highest social class by using a widely used Spanish adaptation of the international ISCO88 coding ...
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