Male Microtus arvalis mice from radionuclide polluted territories in the South Urals (90Sr activity of ground--0.2, 2, 500, 800 Ci/km2) were used. The 90Sr content in a mouse bony skeleton was determined. Carbohydrate, energy and protein metabolism, lipid peroxidation processes in liver were studied. The intensification of protein and carbohydrate enzymes. On the increase of antioxidant activity we found the reduction of lipid peroxidation processes. The decrease of microsome oxidoreductases was found. Possible mechanisms of the observed effects are discussed.
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