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Abstract
Studies, at steady state, of the Na,K-ATPase dependent influx of K+ into bovine lenses in organ culture are used to characterize further the H2O2-modification of the Na+ pump. Control lenses display constants for interaction with external Na+ and K+ similar to those obtained for the erythrocyte. H2O2 treatment of the bovine lens leads to total loss of external Na+ stimulation and alteration of external K+ stimulation.