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Persistent and transgenerational effects of risperidone in zebrafish

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Abstract

Since behavior is the connection between the internal physiological processes of an animal and its interaction with the environment, a complete behavioral repertoire is crucial for fish survival and fitness, at both the individual and population levels. Thus, unintended exposure of non-target organisms to antipsychotic residues in the environment can impact their normal behavior, and some of these behavioral changes can be seen during the entire life of the animal and passed to subsequent generations. Although there are some reports related to transgenerational toxicology, little is known of the long-term consequences of exposure to pharmaceutical compounds such as risperidone. Here, we show that zebrafish exposed to risperidone (RISP) during embryonic and larval stages presented impaired anti-predatory behavior during adulthood, characterizing a persistent effect. We also show that some of these behavioral changes are present in the following generation, characterizing a transgenerational effect. This suggests that even short exposures to environmentally relevant concentrations, at essential stages of development, can persist throughout the whole life of the zebrafish, including its offspring. From an environmental perspective, our results suggested possible risks and long-term consequences associated with drug residues in water, which can affect aquatic life and endanger species that depend on appropriate behavioral responses for survival.

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Funding

This study was funded by a CNPq research fellowship (303263/2018-0) to Leonardo G. Barcellos.

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Correspondence to Leonardo José Gil Barcellos.

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This study was approved by the Animal Use Ethics Committee (CEUA) of the University of Passo Fundo, UPF, Passo Fundo, RS, Brazil (Protocol 009.2015 – CEUA) and complied with the guidelines of the National Council for the Control of Animal Experimentation (CONCEA).

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The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Responsible editor: Markus Hecker

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Kalichak, F., de Alcantara Barcellos, H.H., Idalencio, R. et al. Persistent and transgenerational effects of risperidone in zebrafish. Environ Sci Pollut Res 26, 26293–26303 (2019). https://doi.org/10.1007/s11356-019-05890-9

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  • DOI: https://doi.org/10.1007/s11356-019-05890-9

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