The Na+-activated K+ channel contributes to K+ efflux in Na+-loaded guinea-pig but not rat ventricular myocytes

Pflugers Archiv European Journal of Physiology

Volumn 442, Issue 4, 2001, Pages 595-602

  Lawrence, C L ^a,b   Rodrigo, G ^a  

^a UNIVERSITY OF OTAGO   (New Zealand)

^b UNIVERSITY OF LEICESTER   (United Kingdom)

Author keywords

Ca2+ paradox; Cardiac myocytes; Intracellular potassium; Intracellular sodium; Potassium current

Indexed keywords

ADENOSINE TRIPHOSPHATASE (POTASSIUM SODIUM); CALCIUM ION; CATION CHANNEL; MAGNESIUM ION; POTASSIUM CHANNEL; POTASSIUM ION; SODIUM ION;

ANIMAL CELL; ANIMAL TISSUE; ARTICLE; GUINEA PIG; HEART MUSCLE CELL; MALE; MEMBRANE POTENTIAL; NONHUMAN; POTASSIUM CELL LEVEL; POTASSIUM CURRENT; POTASSIUM TRANSPORT; PRIORITY JOURNAL; RAT; SODIUM CELL LEVEL; STEADY STATE;

ANIMALS; CALCIUM; GUINEA PIGS; HEART VENTRICLES; MAGNESIUM; MALE; MEMBRANE POTENTIALS; MUSCLE FIBERS; MYOCARDIAL ISCHEMIA; MYOCARDIUM; NA(+)-K(+)-EXCHANGING ATPASE; POTASSIUM; POTASSIUM CHANNELS; RATS; RATS, SPRAGUE-DAWLEY; SODIUM, DIETARY; SPECIES SPECIFICITY;

EID: 0034924171     PISSN: 00316768     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004240100569     Document Type: Article

References (23)

1. The effects of bathing sodium ions upon the intracellular sodium activity in calcium-free media and the calcium paradox of isolated ferret ventricular muscle
2. The length, width and volume of isolated rat and ferret ventricular myocytes during twitch contractions and changes in osmotic strength
3. K, and tension in cardiac Purkinje fibers
4. The calcium paradox of the heart
5. + pump current of single rat and guinea-pig cardiac cells
6. Physiological actions of taurine
7. + fluxes in myocytes by ouabain and recovery from metabolic inhibition
8. +) efflux moderates volume regulation by cells in rat renal inner medullary slices exposed to strongly hyperosmotic media
9. K.Na) is present in guinea-pig but not rat ventricular myocytes
10. + current in cardiac cells: Rectification, open probability, block and role in digitalis toxicity
11. e changes during ischemia in rat heart
12. Extracellular divalent cations block a cation non-selective conductance unrelated to calcium channels in rat cardiac muscle
13. - activities
14. Na) channels in guinea-pig ventricular myocytes
15. Internal potassium activity in ferret ventricular muscle
16. A novel resin-filled ion-sensitive micro-electrode suitable for intracellular measurements in isolated cardiac myocytes
17. The calcium paradox in isolated guinea-pig ventricular myocytes: Effects of membrane potential and intracellular sodium
18. Volume regulation and plasma membrane injury in aerobic, anaerobic, and ischemic myocardium in vitro. Effects of osmotic cell swelling on plasma membrane integrity
19. Cellular and molecular physiology of volume-sensitive anion channels
20. Cell swelling and ion transport pathways in cardiac myocytes
21. Effects of intracellular sodium and hydrogen ion on the sodium activated potassium channel in isolated patches from guinea pig ventricular myocytes
22. Myocardial potassium loss and cell depolarisation in ischaemia and hypoxia
23. Potassium accumulation in the globally ischemic mammalian heart. A role for the ATP-sensitive potassium channel