The characteristics of the binding of 12-alpha-[3H]-digoxin to the membranes of intact human erythrocytes: relevance to digoxin therapy.
1 The characteristics of the binding of 12-alpha-[3H]-digoxin to the membranes of intact human erythrocytes are described. 2 Only one class of binding site can be demonstrated. Binding is time- and temperature-dependent, saturable and slowly reversible; it is inhibited by other cardiac glycosides and by potassium. 3 Pre-incubation with unlabelled digoxin reduces the subsequent binding of 12-alpha-[3H]-digoxin in stoichiometric fashion. 4 The possible application of the measurement of the bind...Expand abstract
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