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Infection of human endothelial cells by Rickettsia rickettsii causes a significant reduction in the levels of key enzymes involved in protection against oxidative injury.

By P S Devamanoharan, L A Santucci, J E Hong, X Tian and D J Silverman


The activities of glucose-6-phosphate dehydrogenase, catalase, and glutathione peroxidase were significantly decreased in human endothelial cells infected with the obligate intracellular bacterium Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever. This observation lends additional support to our hypothesis implicating oxidative damage in endothelial cell injury caused by this microorganism

Topics: Research Article
Year: 1994
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Provided by: PubMed Central
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