ReviewCurrent drug metabolism2026
Zebrafish as a Model Organism to Study Neurotoxicity: A Potential Tool for Neuroprotective Drug Discovery.
Review in Current drug metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
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Authors and funding
3 authors.
Funding
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Abstract
introductionDanio rerio, the zebrafish, serves as an excellent model in neuroprotective drug discovery due to its conserved nervous system organization, neurotransmitter pathways, antioxidant defenses, and genomic similarity to mammals.
methodsA systematic literature search following PRISMA 2020 guidelines was conducted across Pub- Med, Scopus, Web of Science, and Google Scholar. Studies published between 2020 and 2025 were prioritized, with earlier key papers included for context. The data on larval, adult, and genetically modified zebrafish models were analyzed for neurotoxic effects, focusing on study design, toxicants, and neurobehavioral or molecular outcomes.
resultsNeurotoxicants such as chlorpyrifos, bisphenol, triphenyl phosphate, aluminum, ammonium acetate, arsenic, zinc, acrylamide, methylmercury, and tris (1,3-dichloro-2-propyl) phosphate were shown to cross the zebrafish blood-brain barrier. These exposures caused significant behavioral alterations, neurotransmitter imbalances, oxidative stress, and gene or protein expression changes related to brain function. Analysis of the transgenic zebrafish revealed notable alterations in neuronal development and axonal morphology upon exposure to various neurotoxic chemicals. DISCUSSION: Zebrafish display neurotoxic responses with a close resemblance to mammals, supporting their translational value in neurotoxicity and drug discovery studies. However, limitations such as a less complex brain compared to mammals, quick neuronal regeneration, limited tissue access, and difficulties in drug absorption quantification warrant refinements in zebrafish models.
conclusionZebrafish offer a versatile, cost-effective, and genetically tractable system for neurotoxicity and neuroprotection research. This systematic review highlights their crucial role in neuroprotective drug discovery while emphasizing the need for improved methodological approaches to enhance translational reliability.
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Registered trials
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