Subchronic toxicity of iron-selenium nanoparticles on oxidative stress response, histopathological, and nuclear damage in amphibian larvae Rana saharica

Meddeb, El Rym; Trea, Fouzia; Djekoun, Abdelmalik; Nasri, Hichem; Ouali, Kheireddine

doi:10.1007/s11356-023-30063-0

Environ Sci Pollut Res

2023

DOI: 10.1007/s11356-023-30063-0

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Subchronic toxicity of iron-selenium nanoparticles on oxidative stress response, histopathological, and nuclear damage in amphibian larvae Rana saharica

El Rym Meddeb,

Fouzia Trea,

Abdelmalik Djekoun

et al.

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2024

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Cited by 2 publications

References 83 publications

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Toxicity of different-sized cobalt ferrite (CoFe2O4) nanoparticles to Oncorhynchus mykiss at early development stages

Jurgelėnė,

Jagminas,

Montvydienė

et al. 2024

Environ Sci Pollut Res

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Toxicity of different-sized cobalt ferrite (CoFe2O4) nanoparticles to Oncorhynchus mykiss at early development stages

Jurgelėnė,

Jagminas,

Montvydienė

et al. 2024

Environ Sci Pollut Res

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The impact of chemical pollution across major life transitions: a meta-analysis on oxidative stress in amphibians

Martin,

Capilla-Lasheras,

Monaghan

et al. 2024

Proc. R. Soc. B.

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Among human actions threatening biodiversity, the release of anthropogenic chemical pollutants which have become ubiquitous in the environment, is a major concern. Chemical pollution can induce damage to macromolecules by causing the overproduction of reactive oxygen species, affecting the redox balance of animals. In species undergoing metamorphosis (i.e. the vast majority of the extant animal species), antioxidant responses to chemical pollution may differ between pre- and post-metamorphic stages. Here, we meta-analysed ( N = 104 studies, k = 2283 estimates) the impact of chemical pollution on redox balance across the three major amphibian life stages (embryo, tadpole, adult). Before metamorphosis, embryos did not experience any redox change while tadpoles activate their antioxidant pathways and do not show increased oxidative damage from pollutants. Tadpoles may have evolved stronger defences against pollutants to reach post-metamorphic life stages. In contrast, post-metamorphic individuals show only weak antioxidant responses and marked oxidative damage in lipids. The type of pollutant (i.e. organic versus inorganic) has contrasting effects across amphibian life stages. Our findings show a divergent evolution of the redox balance in response to pollutants across life transitions of metamorphosing amphibians, most probably a consequence of differences in the ecological and developmental processes of each life stage.

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Subchronic toxicity of iron-selenium nanoparticles on oxidative stress response, histopathological, and nuclear damage in amphibian larvae Rana saharica

Cited by 2 publications

References 83 publications

Toxicity of different-sized cobalt ferrite (CoFe2O4) nanoparticles to Oncorhynchus mykiss at early development stages

Toxicity of different-sized cobalt ferrite (CoFe2O4) nanoparticles to Oncorhynchus mykiss at early development stages

The impact of chemical pollution across major life transitions: a meta-analysis on oxidative stress in amphibians

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