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Updated: Jul 20, 2026

Production and Detection of Reactive Oxygen Species (ROS) in Cancers
Published on: November 21, 2011
Changes in the prooxidant and antioxidant status of tissues during paraneoplastic processes
V A Kipiani1, K G Gambashidze, N D Bezhitashvili
1Department of Pathophysiology, Tbilisi State Medical University. kipiani@tsmu.edu
Abstract:
Electron paramagnetic resonance was used to identify paramagnetic centers in the blood and liver of laboratory rats with S-45 sarcoma and mice with Ehrlich carcinoma. Paraneoplastic changes in prooxidant and antioxidant activity of the blood and liver tissue, mitochondrial respiration, and NO metabolism and inhibition of antioxidant processes contribute to impairment of cell membrane structures, erythrocyte hemolysis, and hypoxia. An important role of these processes in the pathogenesis of paraneoplastic anemia is confirmed by the positive effect of antioxidant and membrane-stabilizing therapy.
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