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Oxidant injury of caucasian glucose-6-phosphate dehydrogenase—deficient red blood cells by phagocytosing leukocytes during infection
Robert L. Baehner, … , David G. Nathan, William B. Castle
Robert L. Baehner, … , David G. Nathan, William B. Castle
Published December 1, 1971
Citation Information: J Clin Invest. 1971;50(12):2466-2473. https://doi.org/10.1172/JCI106747.
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Research Article

Oxidant injury of caucasian glucose-6-phosphate dehydrogenase—deficient red blood cells by phagocytosing leukocytes during infection

Abstract

Patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency of red blood cells (RBC) may develop sudden hemolytic anemia during infection. Since phagocytizing polymorphonuclear leukocytes (PMN) are known to generate hydrogen peroxide, we explored the influence of this oxidant product of PMN on juxtaposed G6PD-deficient and normal RBC. The oxidant stress induced by phagocytosis depleted G6PD-deficient RBC of reduced glutathione (GSH) and this was associated with rapid removal of these cells from the circulation by the liver and spleen. No such effect was observed on normal RBC. Phagocytizing chronic granulomatous disease (CGD) PMN which lack hydrogen peroxide generation, failed to diminish GSH level in G6PD-deficient RBC. Thus, PMN can pose as a source of oxidant damage to G6PD-deficient RBC due to hydrogen peroxide generated during phagocytosis.

Authors

Robert L. Baehner, David G. Nathan, William B. Castle

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