Neurotoxicity of Pyrethroids in neurodegenerative diseases: From animals' models to humans' studies.

Neurodegenerative diseases are associated with diverse symptoms, both motor and mental. Genetic and environmental factors can trigger neurodegenerative diseases. Chemicals as pesticides are constantly used in agriculture and also domestically. In this regard, pyrethroids (PY), are a class of insecticides in which its main mechanism of action is through disruption of voltage-dependent sodium channels function in insects. However, in mammals, they can also induce oxidative stress and enzyme dysfunction. This review investigates the association between PY and neurodegenerative diseases as Alzheimer's, Huntington's, Parkinson's, Amyotrophic Lateral Sclerosis, and Autism in animal models and humans. Published works using specific and non-specific models for these diseases were selected. We showed a tendency toward the development and/or aggravating of these neurodegenerative diseases following exposure to PYs. In animal models, the biochemical mechanisms of the diseases and their interaction with the insecticides are more deeply investigated. Nonetheless, only a few studies considered the specific model for each type of disease to analyze the impacts of the exposure. The choice of a specific model during the research is an important step and our review highlights the knowledge gaps of PYs effects using these models reinforcing the importance of them during the design of the experiments. Copyright © 2024 Elsevier B.V. All rights reserved.

Citation

Rafael Arsuffi-Marcon, Lizandra Gomes Souza, Artur Santos-Miranda, Julliane V Joviano-Santos. Neurotoxicity of Pyrethroids in neurodegenerative diseases: From animals' models to humans' studies. Chemico-biological interactions. 2024 Mar 01;391:110911

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PMID: 38367681

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