Search Results - "Tiffert, T"

Kinetics of inhibition of the plasma membrane calcium pump by vanadate in intact human red cells by Tiffert, T., Lew, V.L.

“…The lack of specific inhibitors of the plasma membrane Ca2+ pump (PMCA) has made vanadate (VO-3), a non-specific inhibitor, an invaluable tool in the study of…”
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Cytoplasmic calcium buffers in intact human red cells by Tiffert, T, Lew, V L

“…1. Precise knowledge of the cytoplasmic Ca2+ buffering behaviour in intact human red cells is essential for the characterization of their [Ca2+]i-dependent…”
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Passive Ca(2+) transport and Ca(2+)-dependent K(+) transport in Plasmodium falciparum-infected red cells by Staines, H M, Chang, W, Ellory, J C, Tiffert, T, Kirk, K, Lew, V L

“…Previous reports have indicated that Plasmodium falciparum-infected red cells (pRBC) have an increased Ca(2+) permeability. The magnitude of the increase is…”
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Effect of Ferriprotoporphyrin IX and Non-heme Iron on the Ca2+ Pump of Intact Human Red Cells by Tiffert, T., Lew, V.L., Perdomo, D., Ginsburg, H.

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Effect of ferriprotoporphyrin IX and non-heme iron on the Ca(2+) pump of intact human red cells by Tiffert, T, Lew, V L, Perdomo, D, Ginsburg, H

“…Previous studies have shown that ferriprotoporphyrin IX (FP) and non-heme iron have a marked inhibitory effect on the Ca(2+)-Mg(2+)-ATPase activity of isolated…”
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Apparent Ca2+ dissociation constant of Ca2+ chelators incorporated non-disruptively into intact human red cells by Tiffert, Teresa, Lew, Virgilio L.

“…1. A recently developed method of measuring cytoplasmic Ca2+ buffering in intact red cells was applied to re-evaluate the intracellular Ca2+ binding properties…”
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Excess hemoglobin digestion and the osmotic stability of Plasmodium falciparum-infected red blood cells by LEW, Virgilio L, TIFFERT, Teresa, GINSBURG, Hagai

“…During their asexual reproduction cycle (about 48 hours) in human red cells, Plasmodium falciparum parasites consume most of the host cell hemoglobin, far more…”
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Effects of deoxygenation on active and passive Ca2+ transport and cytoplasmic Ca2+ buffering in normal human red cells by Tiffert, T, Etzion, Z, Bookchin, R M, Lew, V L

“…1. The effects of deoxygenation on cytoplasmic Ca2+ buffering, saturated Ca2+ extrusion rate through the Ca2+ pump (Vmax), passive Ca2+ influx and…”
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Inhibition of the calcium pump by high cytosolic Ca2+ in intact human red blood cells by Pereira, A C, Samellas, D, Tiffert, T, Lew, V L

“…1. The inhibitory effect of high intracellular calcium on the saturated Ca2+ efflux through the Ca2+ pump (Vmax) was investigated in intact human red cells…”
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Is invasion efficiency in malaria controlled by pre-invasion events? by Lew, Virgilio L, Tiffert, Teresa

“…The invasion efficiency of Plasmodium falciparum merozoites was found to decrease with increasing red blood cell density, a finding relevant to protection…”
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The hydration state of human red blood cells and their susceptibility to invasion by Plasmodium falciparum by Tiffert, Teresa, Lew, Virgilio L., Ginsburg, Hagai, Krugliak, Miriam, Croisille, Laure, Mohandas, Narla

“…In most inherited red blood cell (RBC) disorders with high gene frequencies in malaria-endemic regions, the distribution of RBC hydration states is much wider…”
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Effects of internal sodium and hydrogen ions and of external calcium ions and membrane potential on calcium entry in squid axons by Mullins, L J, Tiffert, T, Vassort, G, Whittembury, J

“…Squid giant axons were impaled with electrodes to measure pNai, pHi, Em, and were injected with either aequorin or arsenazo III to measure [Ca]i or with phenol…”
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Excess haemoglobin digestion by malaria parasites: a strategy to prevent premature host cell lysis by Lew, Virgilio L, Macdonald, Lynn, Ginsburg, Hagai, Krugliak, Miriam, Tiffert, Teresa

“…To understand the osmotic stability of a Plasmodium falciparum-infected red blood cell, whose membrane permeability becomes highly increased during parasite…”
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The concentration of ionized magnesium in barnacle muscle fibres by F J Brinley, Jr, A Scarpa, T Tiffert

“…1. The total Mg in isolated fibres of Balanus aquila was 10-5 m-mole/kg wet wt. 2. The intracellular free Mg was measured by a null point method using…”
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Ionized calcium concentrations in squid axons by Dipolo, R, Requena, J, Brinley, Jr, F J, Mullins, L J, Scarpa, A, Tiffert, T

“…Values for ionized [Ca] in squid axons were obtained by measuring the light emission from a 0.1-mul drop of aequorin confined to a plastic dialysis tube of…”
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Plasmodium falciparum expresses a multidrug resistance-associated protein by Klokouzas, Antonios, Tiffert, Teresa, van Schalkwyk, Donelly, Wu, Chung-Pu, van Veen, Hendrik W., Barrand, Margery A., Hladky, Stephen B.

“…Plasmodium falciparum proteins that efflux toxic metabolic products such as oxidised glutathione (GSSG) are possible targets for anti-malarial drug…”
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Preserved function of the plasma membrane calcium pump of red blood cells from diabetic subjects with high levels of glycated haemoglobin by Bookchin, Robert M, Etzion, Zipora, Lew, Virgilio L, Tiffert, Teresa

“…Abstract The activity of the plasma membrane Ca2+ -pump decreases steeply throughout the 120 days lifespan of normal human red blood cells. Experiments with…”
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Distribution of plasma membrane Ca2+ pump activity in normal human red blood cells by Lew, Virgilio L., Daw, Nuala, Perdomo, Deisy, Etzion, Zipora, Bookchin, Robert M., Tiffert, Teresa

“…The plasma membrane calcium pump (PMCA) is the only active Ca2+ transporter in human red blood cells (RBCs). Previous measurements of maximal Ca2+ extrusion…”
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Distribution of dehydration rates generated by maximal Gardos-channel activation in normal and sickle red blood cells by Lew, Virgilio L., Tiffert, Teresa, Etzion, Zipora, Perdomo, Deisy, Daw, Nuala, Macdonald, Lynn, Bookchin, Robert M.

“…The Ca2+-activated K+ channels of human red blood cells (RBCs) (Gardos channels, hIK1, hSK4) can mediate rapid cell dehydration, of particular relevance to the…”
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The influence of chemical agents on the level of ionized [Ca2+] in squid axons by REQUENA, J, WHITTEMBURY, J, TIFFERT, T, EISNER, D. A, MULLINS, L. J

“…Squid giant axons injected with either aequorin or arsenazo III and bathed in 3 mM Ca (Na) seawater were transferred to 3 mM Ca (K) seawater and the response…”
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