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Acrylamide acute neurotoxicity in adult zebrafish

AuthorsFaria, M.; Ziv, T.; Gómez-Canela, C.; Ben-Lulu, S.; Prats, Eva ; Novoa-Luna, K.A.; Admon, A.; Piña, Benjamín ; Tauler, Romà ; Gómez-Oliván, L.M.; Raldúa, Demetrio
Larval zebrafish
Issue Date1-Dec-2018
PublisherSpringer Nature
CitationScientific Reports 8 (1): 7918 (2018)
AbstractAcute exposure to acrylamide (ACR), a type-2 alkene, may lead to a ataxia, skeletal muscles weakness and numbness of the extremities in human and laboratory animals. In the present manuscript, ACR acute neurotoxicity has been characterized in adult zebrafish, a vertebrate model increasingly used in human neuropharmacology and toxicology research. At behavioral level, ACR-treated animals exhibited "depression-like" phenotype comorbid with anxiety behavior. At transcriptional level, ACR induced down-regulation of regeneration-associated genes and up-regulation of oligodendrocytes and reactive astrocytes markers, altering also the expression of genes involved in the presynaptic vesicle cycling. ACR induced also significant changes in zebrafish brain proteome and formed adducts with selected cysteine residues of specific proteins, some of them essential for the presynaptic function. Finally, the metabolomics analysis shows a depletion in the monoamine neurotransmitters, consistent with the comorbid depression and anxiety disorder, in the brain of the exposed fish. © 2018 The Author(s).
Publisher version (URL)10.1038/s41598-018-26343-2
Appears in Collections:(IDAEA) Artículos
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