25-Dihydroxycholecalciferol
Decrease in serum immunoreactive parathyroid hormone in rats and in parathyroid hormone secretion in vitro by 1,25 dihydroxycholecalciferol
... The present study determined the effects of 1,25-dihydroxycholecalciferol on serum immunoactive parathyroid hormone and on parathyroid hormone secretion in vitro. Rats injected i.p. with ...
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Effects of 1,25-Dihydroxycholecalciferol on Recovery and Resolution of Late Transient Neonatal Hypocalcemia
... 1.25 dihydroxycholecalciferol in the management of neonatal hypocalcemia is ...1.25 dihydroxycholecalciferol to intravenous continuous calcium infusion (CaI) will achieve accelerated correction of ...1.25 ...
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Biologic effects of 1,25 dihydroxycholecalciferol (a highly active vitamin D metabolite) in acutely uremic rats
... The development of a vitamin D-resistant state in the course of renal failure may be responsible for reduced intestinal absorption of calcium and an impaired response of skeletal tissue. Moreover, the kidney has been ...
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Osteomalacia Due to 1α,25 Dihydroxycholecalciferol Deficiency: ASSOCIATION WITH A GIANT CELL TUMOR OF BONE
... maximum for the reabsorption of phosphate per liter of glomerular filtrate; negative calcium and phosphorus balance; hyperaminoaciduria; and subnormal calcemic response to exogenously administered parathyroid hormone. ...
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The Stimulation of 1,25 Dihydroxycholecalciferol Metabolism in Vitamin D deficient Rats by 1,25 Dihydroxycholecalciferol Treatment
... dihydroxycholecalciferol in the intestine, bone, liver, kidney, plasma, and muscle. Since 1,25-dihydroxycholecalciferol is believed to be the metabolically active form of vitamin D in the stimulation of ...
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Metabolism of 1,25 dihydroxycholecalciferol in the rat
... accounts for 71-98% of the radioactivity found in the intestine with minor amounts appearing in more polar metabolites. In the bone, for the 1st 12 hr, 1,25-dihydroxycholecalciferol is the major form (75-82%) ...
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Modulation by 1,25 dihydroxycholecalciferol of the acute change in cytosolic free calcium induced by thyrotropin releasing hormone in GH4C1 pituitary cells
... Receptor-mediated regulation of prolactin synthesis by 1,25-dihydroxycholecalciferol (1,25(OH)2D3) in the pituitary cell strain GH4C1 is dependent on the concentration of extracellular calcium. We have now ...
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Suppressive Effects of 24,25 Dihydroxycholecalciferol on Bone Resorption Induced by Acute Bilateral Nephrectomy in Rats
... dihydroxycholecalciferol did not prevent the postnephrectomy rise in the osteoclast count. This latter observation suggests that this metabolite exerts its effect on bone either by acting on cells other than ...
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Correction of enhanced Na(+) H+ exchange of rat small intestinal brush border membranes in streptozotocin induced diabetes by insulin or 1,25 dihydroxycholecalciferol
... dihydroxycholecalciferol [1,25(OH)2D3] for an additional 5-7 d. Control, diabetic, diabetic + insulin, and diabetic + 1,25(OH)2D3 rats were then killed, their proximal small intestines were removed, and villus-tip ...
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Effects of 1,25 Dihydroxycholecalciferol on Intestinal Calcium Transport in Cortisone Treated Rats
... dihydroxycholecalciferol (1,25-DHCC), the probable end-organ active vitamin D metabolite in the intestine, and 16 h later studies of duodenal calcium transport were performed in modified Ussing chambers. In the ...
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Metabolic Consequences of Oral Administration of 24,25 Dihydroxycholecalciferol to Uremic Dogs
... This metabolite slightly decreased the serum ionized calcium concentration, reversed negative Weeks of Treatment calcium balance, and profoundly suppressed serum FIGURE 1 Ionized calcium[r] ...
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Inhibition of Parathyroid Hormone Secretion by 25 Hydroxycholecalciferol and 24,25 Dihydroxycholecalciferol in the Dog
... dihydroxycholecalciferol, 24,25-(OH) 2 D 3 , was injected in doses of 50-250 ng, suppression of PTH secretion was again complete; in doses of 5 ng, injection of this metabolite resulted in significant but ...
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The Acute Effect of 25 Hydroxycholecalciferol on Renal Handling of Phosphorus: EVIDENCE FOR A PARATHYROID HORMONE DEPENDENT MECHANISM
... of 25-hydroxycholecalciferol (25HCC) and 1,25-dihydroxycholecalciferol (1,25-DHCC) on renal handling of phosphorus was evaluated in the following groups of rats: (a) intact animals, (b) parathyroidectomized ...
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Suitability of the WHO 25 x 25 chronic disease targets & indicators for Australia
... targeted 25 per cent relative reduction in overall mortality from cardiovascular diseases, cancer, diabetes, or chronic respiratory diseases was “possible, but very challenging due to progress already achieved” ...
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Chapter 25: Evidence
... Thus in the land damage field, the Supreme Judicial Court during the 1966 SURVEY year continued to emphasize the broad discretion of the trial judge in the admis[r] ...
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Vol 25 (2012)
... Neste estudo, e embora consideradas no diagnóstico diferencial, nomeadamente com a Toxoplasmose cerebral, não se identificaram neoplasias, especificamente nenhum caso de Linfoma[r] ...
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Vol 25 (2012)
... No entanto, sobretudo nos casos de epilepsia e de doenças neuro-degenerativas, tem já existido uma procura activa dos médicos assistentes para a realização deste tipo de es[r] ...
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Vol 25 (2012)
... média (ACM) esquerda; a) injecção selectiva na artéria carótida interna esquerda evidenciando a formação aneurismática; b) múltiplos defeitos de preenchimento interessando os segmentos [r] ...
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ToKillaMockingbirdCh21-25.ppt
... community, Judge Taylor, Atticus, and people like Scout, Jem, Dill, and Miss Maudie. We find out the case should have[r] ...
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25 lecture outline
... • In a metallic conductor, the moving charges are electrons — but the current still points in the direction positive charges would flow.... Signs of charge carriers • In general, a c[r] ...
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