Na/K pump
Short term memory of motor network performance via activity dependent potentiation of Na+/K+ pump function
... Brain networks memorize previous performance to adjust their output in light of past experience. These activity-depen- dent modifications generally result from changes in synaptic strengths or ionic conductances, and ion ...
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Erythrocyte Na,K pump in uremia Acute correction of a transport defect by hemodialysis
... erythrocyte Na,K-pump in chronically hemodialyzed uremic patients, immediately before and after a 4-h period of ...of Na,K-pump units per erythrocyte did not differ in uremic and ...
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Regulation of the ASC system and Na+/K + pump activities in brown trout (Salmo trutta) hepatocytes
... Because of the absence of system A in fish hepatocytes (Ballatori and Boyer, 1988; Canals et al. 1992), it is not surprising that the activity of a different short-chain neutral amino acid carrier is physiologically ...
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Impaired exercise performance and muscle Na(+),K(+)-pump activity in renal transplantation and haemodialysis patients.
... alter Na + ,K + -pump activity without altering Na + ,K + -pump content [47] and abnormal membrane lipid composition has been found in erythrocytes from HDP [37] and RTx [48], as ...
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Changes in the expression and current of the Na+/K+ pump in the snail nervous system after exposure to a static magnetic field
... of osteoarthritis of the hip and knee (Hinman et al., 2002; Harlow et al., 2004; Wolsko et al., 2004). With regard to the beneficial health effects of moderate SMF, it is important to investigate the cellular responses ...
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Aging Leads to Over Expression of Na+/K+ Pump Units in Liver and Na+/Ca2+ Exchangers in Brain Cortex
... to non-significant effect on liver dehydration of young animals but has pro- nounced hydration effect in old ones (Figure 8(b)), while in spleen tissue of both age groups the hydration is observed (Figure 8(c)), which ...
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Functionally Abnormal Na+ K+ Pump in Erythrocytes of a Morbidly Obese Patient
... intracellular K + and reduced levels of intracellular Na + ...of K + efflux and the absence of associated abnormalities, argues against the possibility that the increased number of Na + ...
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Properties of the Na+ K+ pump in human red cells with increased number of pump sites
... the Na+/K+ pump in red cells from an obese human subject (MAJ) in which the number of pumps/cell was 10-20 times higher than ...the Na+/K+ pump we determined that the pumps in ...
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Relationship between calcium loading and impaired energy metabolism during Na+, K+ pump inhibition and metabolic inhibition in cultured neonatal rat cardiac myocytes
... Microspectrofluorometry of myocytes loaded with fura-2 showed that ouabain resulted in a relatively rapid increase in [Ca2+]i up to 2-3 microM (two to threefold above peak systolic level) and that DOG-CN produced an ...
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Recoupling the Na K Pump
... ouabain-sensitive K-K exchange when the flux measurements are made using ...of Na outflux to K influx in cells which are partially depleted of energy sources by deprivation of glucose since ...
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Association of the whole blood potassium polymorphism with resistant to saline in two sheep breeds of different climates of Iran
... permeability, Na-K pump activity and Na + K activated membrane ATP ase by measuring net cation fluxes in cold, net cation fluxes at 37 ˚C and phosphate liberation from ATP by isolated ...
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Mild spherocytosis and altered red cell ion transport in protein 4 2–null mice
... Increased Na- K pump activity and passive cation permeabilities, decreased K-Cl cotransporter activity, and normal Na-K- 2Cl cotransporter and Na/H exchanger activities ...
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Control of Xenopus tadpole locomotion via selective expression of Ih in excitatory interneurons
... a Na/K-pump-current-mediated usAHP in non- ...the pump current is revealed by ZD7288 in every dIN we recorded suggests that the mechanism proposed to be responsible for the usAHP (the presence ...
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The sodium potassium pump controls the intrinsic firing of the cerebellar Purkinje neuron
... a Na + /K + pump ...of Na + /K + pump activity’’ and produced ‘‘no significant change in either the initial, early, or late phases of spike- frequency adaptation’’ ...to ...
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Glucocorticoid induced alterations in the sodium potassium pump of the human erythrocyte
... the Na-K pump in human subjects, were evaluated the intracellular sodium and potassium, 42K influx across and the [3H]ouabain binding to cell membranes of intact human erythrocytes from a group of ...
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<p>Assessment of Selected Serum Electrolyte and Associated Risk Factors in Diabetic Patients</p>
... , K + and Cl − ), myocardial rhythm and contractility, and neuromuscular excitability ...(e.g., K + ) as well as acid- base balance (e.g., K + , Cl − ...cellular K + out of cells and Na ...
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K+/H+ antiport in the tobacco hornworm midgut: the K(+) transporting component of the K+ pump
... (Wieczorek et al. 1986). Characterization of this ATPase after solubilization and purification demonstrated that it belongs to the family of V-ATPases (Schweikl et al. 1989; Wieczorek et al. 1990, 1991; Wieczorek, 1992). ...
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NaCl uptake by the branchial epithelium in freshwater teleost fish: an immunological approach to ion transport protein localization
... Na+/K+-ATPase was Key words: fish, gill, ion transport, H+-ATPase, Na+/K+-ATPase, epithelial Na+ channel, Na+/H+ exchanger, anion exchanger, used as a cellular marker for differentiating[r] ...
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Viscosity of liquid Na-K alloy
... for Na-K is positive, the maximum being 762 J/mole [15] and concentration structure factors computed from the activity data indicate weaker tendency of phase separation in the alloy over whole range of ...
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Intracellular ion activities in Malpighian tubule cells of Rhodnius prolixus: evaluation of Na+ K+ 2Cl cotransport across the basolateral membrane
... Critical evaluation of the possible roles of cotransporters, exchangers and ion channels requires measurement of membrane potential and the intracellular activities of the ions involved so that electrochemical potentials ...
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