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Biologic Activity of Digoxin-Specific Antisera

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PMC
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Abstract

Digoxin-specific antibodies are capable of removing essentially all intracellular digoxin from rat renal cortical slices or from human erythrocytes. In removing digoxin from erythrocytes, these antibodies are capable of reversing an effect of the drug on cellular potassium transport. This study provides direct evidence that antibodies are capable of removing, and thereby reversing the biological effect of, physiologically active low molecular weight substances after they have been taken up by mammalian cells. This biologic property of digoxin-specific antibodies suggests that autidigoxin sera may prove useful in the reversal of digoxin toxicity.

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