calcium transport
Mechanisms of calcium transport across the placenta: Review
... maternofetal calcium transfer ...stimulate calcium transfer. In all species studied, placental calcium transport appears to reflect chronic, as opposed to acute, changes in maternal ...of ...
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Calcium transport by skeletal muscle sarcoplasmic reticulum in the hypothyroid rat
... of calcium transport by isolated sarcoplasmic reticulum from rat skeletal muscle increases markedly during the first 4 wk of life and thereafter remains relatively ...in calcium transport by ...
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The calcium sensing receptor regulates mammary gland parathyroid hormone–related protein production and calcium transport
... a calcium-sensing organ. In response to changes in extracellular calcium, it modulates its secretion of PTHrP, its transport of calcium, and perhaps also its transport of ...adjusts ...
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Calcium transport abnormality in uremic rat brain synaptosomes
... of calcium transport and equilibrium levels of calcium accumulation in synaptosomes prepared from uremic rats were significantly greater (P less than ...assess calcium efflux, ATP-dependent ...
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Calcium transport by isolated skin of rainbow trout
... Calcium transport by the cleithrum skin The cleithrum skin of the rainbow trout contains MR cells which are apparently involved in the active uptake of Ca 2+ from the water into the fish[r] ...
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Effects of 1,25 Dihydroxycholecalciferol on Intestinal Calcium Transport in Cortisone Treated Rats
... in calcium transport was due to alterations in both unidirectional calcium fluxes (decrease in J MS and increase in J SM ), such that the J Net and the flux ratio (J MS /J SM ) were only ...
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Calcium transport in the rabbit superficial proximal convoluted tubule
... that calcium transport in the superficial proximal convoluted tubule is due primarily to passive ...net calcium absorption or secretion was demonstrated, respectively, which supports a major role for ...
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CALCIUM TRANSPORT IN FISH GILLS AND INTESTINE
... of calcium movement through the (branchial) ionocytes must occur at the entry step, since calcium homeostasis of the cell seems to be guaranteed by this overcapacity of calcium ...the calcium ...
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Developmental expression of calcium transport proteins in extraembryonic membranes of oviparous and viviparous Zootoca vivipara (Lacertilia, Lacertidae)
... Vertebrate calcium-transporting tissues typically share a suite of characteristics that suggest the mechanism for transcellular transport of calcium is highly ...vertebrate ...
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Calcium uptake by intestinal brush border membrane vesicles Comparison with in vivo calcium transport
... of calcium transport, (2) greater nonmediated transport in proximal than distal small intestines, and (3) Vmax for calcium transport twice as great in distal as in proximal small ...
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Calcium transport across the chick small intestine as facilitated by Vitamin D
... CALCIUM TRANSPORT BY THE CHICK SMALL INTESTINE THE ROLE OF VITAMIN 11..4 THE MITOCHONDRIA AND BINDING PROTEIN J.. Holdsworth University of Tasmania.[r] ...
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TRANSCELLULAR INTESTINAL CALCIUM TRANSPORT IN FRESHWATER AND SEAWATER FISH AND ITS DEPENDENCE ON SODIUM/CALCIUM EXCHANGE
... Whole-body calcium influx and efflux for a 250g freshwater tilapia can be calculated according to Flik et ...of calcium will be around 4.3 m mol h 21 while calcium efflux is around ...whole-body ...
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Fetal parathyroids are not required to maintain placental calcium transport
... placental calcium transfer, indicating that the parathyroids may not contribute significantly to the circulating PTHrP level or the reg- ulation of placental calcium ...placental calcium trans- fer ...
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Vitamin D deficiency and renal calcium transport in the rat
... of calcium, clearance studies were performed in three groups of rats: group A rats fed a standard vitamin D-deficient diet (Ca ...high calcium (Ca ...of calcium (0-30 mM) with or without parathyroid ...
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Effect of magnesium deficiency on renal magnesium and calcium transport in the rat
... The transport capacity for magnesium, however, was less in deficient rats than control ...delivery. Calcium reabsorption was not altered in magnesium deficiency; however, elevations of extracellular ...
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Calcium transport in rat liver mitochondria
... 6.3.2 The influence of redox state of mitochondrial pyridine nucleotides on Ca2+ uptake and release by mitochondria studied by means of 0.. p-hydroxybutyrate on Ca2+ uptake and release b[r] ...
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Hormonal control of a calcium transport by rat liver mitochondria
... ON THE INTERRELATIONSHIP BETWEEN GLUCAGON ACTION, THE REDOX STATE OF PYRIDINE NUCLEOTIDES AND CALCIUM RETENTION BY RAT LIVER MITOCHONDRIA SUMMARY 79 INTRODUCTION 81 RESULTS 83 The effect[r] ...
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Effect of renal insufficiency on the active transport of calcium by the small intestine
... of calcium binding protein activity in the duodenal mucosa are affected by renal insufficiency under the conditions employed in the present ...for calcium transport in a manner which, while opposite ...
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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 of 25-HCC did ...
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Studies on the movement of calcium across the inner Mitochondrial membrane
... CHAPTER 5 PROTONMOTIVE FORCE AND MITOCHONDRIAL CALCIUM TRANSPORT CHAPTER 6 Introduction 80 Results 84 Discussion 93 THE INFLUENCE OF THE PROTON CONCENTRATION ON CALCIUM-ION FLUXES ACROSS[r] ...
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