alexa Nephrotoxicity of CCA-treated wood: A comparative study with As(2)O(5) and CrO(3) on mice.


Journal of Environmental & Analytical Toxicology

Author(s): Matos RC, Vieira C, Morais S, de Lourdes Pereira M, de Jesus JP, Matos RC, Vieira C, Morais S, de Lourdes Pereira M, de Jesus JP

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Abstract The purpose of this work was to assess the acute toxicity on male mice to a chromated copper arsenate (CCA) solution, a widespread wood preservative used in building industry until 2002. Animals were subcutaneously injected with CCA (7.2mg/kg arsenic and 10.2mg/kg chromium per body weight), CrO(3) (10.2mg/kg), As(2)O(5) (7.2mg/kg) and NaCl (0.9\%) per se, during 48h and 96h, for histopathology, histochemistry, chromium and arsenic analysis. The results showed some histopathological changes within renal tubules lumen of CCA exposed animals (during 48h, and 96h), and CrO(3) (for the period of 96h). Furthermore, the renal levels of arsenic and chromium in treated animals were statistically more evident than controls. Although, the same contents of pentavalent arsenic and hexavalent chromium were injected into treated animals with CCA and with the prepared solutions of As(2)O(5) and CrO(3), a different distribution of the pattern of these compounds was observed in kidneys. Copyright © 2008 Elsevier B.V. All rights reserved. This article was published in Environ Toxicol Pharmacol and referenced in Journal of Environmental & Analytical Toxicology

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