Effect of chronic vanadium administration in drinking water to rats |
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Authors: | Halina Zaporowska Wacław Wasilewski Maria Sŀotwińska |
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Affiliation: | (1) Department of Cell Biology, Institute of Biology, Maria Curie-Skodowska University, Lublin, Poland;(2) Department of Cell Biology, Institute of Biology, Maria Curie-Skodowska University, Akademicka 19, 20-033 Lublin, Poland |
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Abstract: | Two-month old Wistar rats of both sexes received, as sole drinking liquid, an aqueous solution of ammonium metavanadate (AMV) at a concentration of 0.01 or 0.05 mg V cm–3 (0.2 or 1.0 mM) for a period of 4 weeks. It was calculated that the animals took up doses of 1.5 and 5–6 mg V kg body weight–1 24 h–1, respectively. Food and AMV solution consumption in the experimental groups was similar to food and water consumption in the control group. A statistically significant decrease of consumption of AMV solution at a concentration of 0.05 mg V cm–3 was noted only in males. Hematological examination demonstrated a decrease in the erythrocyte count, hemoglobin level and hematocrit index. This decrease in the erythrocyte count was associated with an increased percentage of reticulocytes in the peripheral blood of the animals drinking the solution with a higher vanadium content. Biochemical analyses demonstrated a decrease of l-ascorbic acid levels in the plasma and erythrocytes of animals drinking the AMV solutions. A distinct tendency for the malonyldialdehyde level to increase in the blood was also observed. Among the enzymes examined in the erythrocytes (catalase, glucose-6-phosphate dehydrogenase, lactate dehydrogenase and -aminolevulinic acid dehydratase [ALA-D]) only ALA-D activity was depressed. |
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Keywords: | font-variant:small-caps" >l-ascorbic acid erythrocyte enzymes hematological parameters vanadium |
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