Evaluation of cytogenotoxicity and oxidative stress parameters in male Swiss mice co-exposed to titanium dioxide and zinc oxide nanoparticles

Publication date: Available online 5 June 2019Source: Environmental Toxicology and PharmacologyAuthor(s): Opeoluwa Fadoju, Olusegun Ogunsuyi, Olubukola Akanni, Okunola Alabi, Chibuisi Alimba, Oluwatosin Adaramoye, Sebastien Cambier, Santhana Eswara, Arno C. Gutleb, Adekunle BakareAbstractA number of studies have investigated the adverse toxic effects of titanium dioxide (TiO2) nanoparticles (NPs) or zinc oxide (ZnO) NPs. Information on the potential genotoxic effects of the interactions of TiO2 NPs and ZnO NPs in vivo is lacking. Therefore, this study was designed to investigate the cytogenotoxicity of TiO2 NPs or ZnO NPs alone or their mixtures using the bone marrow micronucleus assay, and mechanism of damage through the evaluation of oxidative stress parameters in the liver and kidney tissues of Swiss mice. Intraperitoneal administration of doses between 9.38 and 150.00 mg/kg of TiO2 NPs or ZnO NPs or TiO2 NPs + ZnO NPs was performed for 5 and 10 days, respectively. TiO2 NPs alone induced a significant (P 
Source: Environmental Toxicology and Pharmacology - Category: Environmental Health Source Type: research

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