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tom 43
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nr 2
EN
In erythrocytes of rats bearing Morris hepatoma 5123 the activities of superoxide dismutase, glutathione peroxidase and glutathione reductase as well as the level of reduced glutathione increased on the 10th day after transplantation of the tumor. In the second phase of the tumor growth (20 days after transplantation), the activities of glutathione peroxidase, glutathione reductase and the level of reduced glutathione in erythrocytes of the experimental animals were lower than in controls, whereas the activity of superoxide dismutase was at that time higher than in controls. On the other hand, the activity of catalase did not significantly differ from that found in healthy rats.
EN
The erythrocytes from Morris Hepatoma 5123 bearing rats took up Na+ and K+ ions from the incubation medium and released Na into the extracellular space at lower rates than did erythrocytes from intact control rats* The lipid composition of erythrocytes membranes from the tumor-bearing rats differed from that of membranes from unaffected rats, showing increased contents of phospholipid phosphorus and a decreased content of cholesterol, resulting in decreased choleste- rol: phospholipid molar ratios.
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