Decreases in active sodium pumping sites and their interaction with ouabain caused by low Na+ incubation of isolated guinea-pig atrial muscle.
D000818:Animals; D005260:Female; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects / Q000201:enzymology; D007700:Kinetics; D008297:Male; D009206:Myocardium / Q000201:enzymology*; D010042:Ouabain / Q000378:metabolism*; D011955:Receptors, Drug / Q000378:metabolism; D012964:Sodium / Q000494:pharmacology*; D000254:Sodium-Potassium-Exchanging ATPase / Q000302:isolation & purification / Q000378:metabolism*
D011955:Receptors, Drug; C028996:cardiac glycoside receptors; D010042:Ouabain; D012964:Sodium; D000254:Sodium-Potassium-Exchanging ATPase