Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 563829
Title Hepatotoxicity of the pesticides imazalil, thiacloprid and clothianidin – Individual and mixture effects in a 28-day study in female Wistar rats
Author(s) Alarcan, Jimmy; Waizenegger, Julia; Lourdes Marzo Solano, Marize de; Lichtenstein, Dajana; Luckert, Claudia; Peijnenburg, Ad; Stoopen, Geert; Sharma, Raju Prasad; Kumar, Vikas; Marx-Stoelting, Philip; Lampen, Alfonso; Braeuning, Albert
Source Food and Chemical Toxicology 140 (2020). - ISSN 0278-6915
DOI https://doi.org/10.1016/j.fct.2020.111306
Department(s) BU Toxicology, Novel Foods & Agrochains
Publication type Refereed Article in a scientific journal
Publication year 2020
Keyword(s) EuroMix - Liver hypertrophy - Mixture effects - Pesticides
Abstract

Humans are exposed to pesticide residues through various food products. As these residues can occur in mixtures, there is a need to investigate possible mixture effects on human health. Recent exposure studies revealed the preponderance of imazalil, thiacloprid, and clothianidin in food diets. In this study, we assessed their toxicity alone and in binary mixtures in a 28-day gavage study in female Wistar rats. Five dose levels (up to 350 mg/kg bw/day) ranging from a typical toxicological reference value to a clear effect dose were applied. Data show that the liver was a target organ of all pesticides and their mixtures. Increases in liver weight were observed and histopathological examination revealed centrilobular hepatocellular hypertrophy and cytoplasm degeneration for all treatment conditions. No accumulation of hepatic triglycerides was reported. Tissue residue analysis showed altered pesticide residues in the liver and the kidney when being in mixture as compared to the levels of pesticide residues for the single compound treatment, indicating possible toxicokinetic interactions. Overall, all mixtures appeared to follow the additivity concept, even though quantitative analysis was limited for some endpoints due to the semi-quantitative nature of the data, raising no specific concern for the risk assessment of the examined pesticides.

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