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Citation Information: J Clin Invest. 1969;48(4):674-684. https://doi.org/10.1172/JCI106025.
Abstract
Previous studies have suggested that malaria induces changes in erythrocytic membrane permeability and susceptibility to osmotic lysis. The present study investigated erythrocytic transport of sodium with cells from Rhesus monkeys infected with Plasmodium knowlesi. Red blood cell sodium concentration was significantly elevated in 37 parasitized animals (21.8±1.2 mM; mean ±SEM), as compared to 23 control animals (10.0±0.38 mM). The cellular sodium increased with the density of parasitemia and the cellular potassium decreased in proportion to the elevation of sodium. Nonparasitized as well as parasitized erythrocytes possessed this abnormality of cation metabolism. Effective chloroquine therapy reversed the changes over a period of 4 days.
Authors
Michael J. Dunn
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