Journal
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
Volume 35, Issue 3, Pages 317-331Publisher
SPRINGER
DOI: 10.1007/s10653-012-9496-5
Keywords
Wistar male rats; Metallic elements; Water-soluble elements; Contaminated soil; Oxidative damage; Geophagy
Categories
Funding
- CNPq
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior, CAPES
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, CNPq
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In this study, we investigated the toxic effects of water-soluble elements from a contaminated soil via gavage in a single dose, simulating a geophagy event. The contaminated soil was collected in a field located in an industrial complex, and the control soil was collected in a reference area. Metabolic and behavioral parameters in Wistar male rats were measured after 24 and 96 h of gavage. After 96 h, the major organs were weighed, blood was collected to check hematological parameters, the bone marrow was taken for the micronucleus test, and the liver was used for evaluating the total antioxidant capacity, lipoperoxidation and protein carbonylation. Animals exposed to contaminated soil presented a few significant alterations by comparison with control animals: TBARS and protein carbonyl levels increased, the relative weight of the kidneys increased, metabolic parameters (body weight gain, food intake, water consumption, urine and feces production) depressed and there was behavioral alteration. These findings suggest that soils impacted by atmospheric contaminants can affect the organism physiological status jeopardizing the health of populations living in industrial areas. Finally, this study reassures that ingestion of potentially contaminated soils, even for short periods of time, can cause health risks.
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