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calcium reabsorption

Normalization of hypercalcemia associated with a decrease in renal calcium reabsorption in Leydig cell tumor bearing rats treated with WR 2721

Normalization of hypercalcemia associated with a decrease in renal calcium reabsorption in Leydig cell tumor bearing rats treated with WR 2721

... associated with a marked increase in urinary Ca excretion, indicating an inhibition of TRCa. The elevated urine cyclic AMP of LCT-bearing rats, however, was not altered by WR-2721 treatment. These results suggest that in ...

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Inhibition of parathyroid hormone secretion and parathyroid hormone independent diminution of tubular calcium reabsorption by WR 2721, a unique hypocalcemic agent

Inhibition of parathyroid hormone secretion and parathyroid hormone independent diminution of tubular calcium reabsorption by WR 2721, a unique hypocalcemic agent

... thyroparathyroidectomized (TPTX) rats. (c) WR-2721 given to TPTX rats did not significantly interfere with the calcemic effect of bovine PTH 1-34 infused at 2.5 IU/h. Likewise, the drug did not impair the PTH actions on ...

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THE EFFECT OF PARATHYROID EXTRACT ON RENAL TUBULAR CALCIUM REABSORPTION IN THE DOG

THE EFFECT OF PARATHYROID EXTRACT ON RENAL TUBULAR CALCIUM REABSORPTION IN THE DOG

... If the data of Walser 6, derived from clearance experiments, can be extrapolated to stop-flow studies, the observed increase in sodium concentration would be expected to result in an inc[r] ...

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Micropuncture Study of Diuretic Effects on Sodium and Calcium Reabsorption in the Dog Nephron

Micropuncture Study of Diuretic Effects on Sodium and Calcium Reabsorption in the Dog Nephron

... A close relationship has been observed between the clearance rates of sodium and calcium under a variety of diuretic conditions. The thiazide diuretics act differently in dissociating the renal tubular ...

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Effects of a synthetic peptide of a parathyroid hormone related protein on calcium homeostasis, renal tubular calcium reabsorption, and bone metabolism in vivo and in vitro in rodents

Effects of a synthetic peptide of a parathyroid hormone related protein on calcium homeostasis, renal tubular calcium reabsorption, and bone metabolism in vivo and in vitro in rodents

... indices of osteoclastic bone resorption. PTH-rP(1-34) and hPTH(1-34) also caused similar increases in bone resorption when incubated with fetal rat long bones in organ culture. Infusion of either peptide into ...

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Concentration of Calcium and Phosphate Serum Following Administration of Zinc in Friesian Holstein Bulls

Concentration of Calcium and Phosphate Serum Following Administration of Zinc in Friesian Holstein Bulls

... of calcium followed by decreased phosphate ...increase calcium reabsorption and decrease phosphate reabsorption in the kidney so that calcium levels will increase with decreased serum ...

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FAMILIAL BONE DISEASE RESEMBLING RICKETS (HEREDITARY METAPHYSIAL DYSOSTOSIS)

FAMILIAL BONE DISEASE RESEMBLING RICKETS (HEREDITARY METAPHYSIAL DYSOSTOSIS)

... Calcium values in serum and values for tubular reabsorption of phosphorus during calcium infusion and administration of parathyroid extract. Time of injection of parathyroid extract is i[r] ...

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EFFECTS OF POTASSIUM ON RENAL TUBULAR REABSORPTION OF BICARBONATE

EFFECTS OF POTASSIUM ON RENAL TUBULAR REABSORPTION OF BICARBONATE

... This figure illustrates the difference in renal tubular reabsorption of bicarbonate in normal patients given an alkaline load, and in patients exhibiting hypokalemic alkalosis.5 5 It has[r] ...

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THE MECHANISM OF POTASSIUM REABSORPTION IN THE PROXIMAL TUBULE OF THE RAT

THE MECHANISM OF POTASSIUM REABSORPTION IN THE PROXIMAL TUBULE OF THE RAT

... Use of the Nernst equation in this manner as a measure of electrochemical disequilibrium between tubular and extracellular 1 The Nernst equation describes the relation between transtubul[r] ...

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BICARBONATE REABSORPTION IN THE DOG WITH EXPERIMENTAL RENAL DISEASE

BICARBONATE REABSORPTION IN THE DOG WITH EXPERIMENTAL RENAL DISEASE

... Conversely, at elevated plasma bicarbonate concentrations, the extra sodium could then be accompanied by both bicarbonate and chloride, with the relative amounts of each depending, at le[r] ...

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Inhibition of Renal Tubular Sodium Reabsorption by Hypernatremia

Inhibition of Renal Tubular Sodium Reabsorption by Hypernatremia

... In some cases hypernatremic periods were collected with the shunt partially occluded by a clamp, so that clearance measurements could be made with sodium excretion from the experimental [r] ...

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Renal Tubular Reabsorption of Iodide as Compared with Chloride

Renal Tubular Reabsorption of Iodide as Compared with Chloride

... In individual experiments, values of iodide clearance predicted in this manner from chloride clearance and 2C~~~~~~~~~~I urine flow were closely correlated with observed iodide clearance[r] ...

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Potassium reabsorption in the proximal tubule of the dog nephron

Potassium reabsorption in the proximal tubule of the dog nephron

... The mean tubular fluid to plasma potassium concentration ratio was 1.16 in normal hydropenic dogs, 1.12 in hydropenic dogs with reduced glomerular filtration rate produced by renal arter[r] ...

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Regulation of renal bicarbonate reabsorption by extracellular volume

Regulation of renal bicarbonate reabsorption by extracellular volume

... Bicarbonate loading was performed in two groups of dogs in which effective expansion of extracellular volume was minimized by hemorrhage or acute constriction of the thoracic vena cava. Both groups demonstrated enhanced ...

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Calcium exchange and ionized cytoplasmic calcium in resting and activated human monocytes

Calcium exchange and ionized cytoplasmic calcium in resting and activated human monocytes

... the calcium exchange rate with the cytoplasmic pool from ...ionized calcium was measured with the fluorescent probe, Quin 2, which indicated a resting level of 83 nM free calcium in unadhered ...free ...

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Effects of Glucose on Bicarbonate Reabsorption in the Dog Kidney

Effects of Glucose on Bicarbonate Reabsorption in the Dog Kidney

... bicarbonate reabsorption. It is more likely that the increased tubular reabsorption of glucose, secondary to an increased filtered load, resulted in the increase in bicarbonate reabsorption since ...

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Role of Inositol 1, 4, 5-Triphosphate on Heart Rate in Isolated Heart Models of Wistar Rats

Role of Inositol 1, 4, 5-Triphosphate on Heart Rate in Isolated Heart Models of Wistar Rats

... of calcium and refill the ...operated Calcium Entry (SOCE)(Putney, 1990, ...highly calcium selective, inward rectifying current and not voltage selective (Hoth and Penner, ...as Calcium ...

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Update and critical appraisal of sevelamer in the management of chronic renal failure

Update and critical appraisal of sevelamer in the management of chronic renal failure

... as calcium-based oral phosphate binders in controlling serum phosphate, but with a lower incidence of ...of calcium-based binders may slow the progression of vascular calcification in hemodialysis patients, ...

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Effect of Intraluminal Flow on Proximal Tubular Reabsorption

Effect of Intraluminal Flow on Proximal Tubular Reabsorption

... filtration rate and there was an associated reduction in reabsorption between the two sites which averaged 29%. This indicated 63% balance between delivery of tubular fluid and the rate of reabsorption ...

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ENHANCING CROPPING OF NAVEL ORANGE BY DIFFERENT AGROCHEMICALSFOLIAR SPRAYS

ENHANCING CROPPING OF NAVEL ORANGE BY DIFFERENT AGROCHEMICALSFOLIAR SPRAYS

... different calcium compounds at pea or marble stage significantly increased fruit retention and decreased fruit drop after June ...Spraying calcium superphosphate alone at the marble stage caused an increase ...

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