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dc.contributor.authorGómez-Canela, Cristianes_ES
dc.contributor.authorTornero-Cañadas, Danieles_ES
dc.contributor.authorPrats, Evaes_ES
dc.contributor.authorPiña, Benjamínes_ES
dc.contributor.authorTauler, Romàes_ES
dc.contributor.authorRaldúa, Demetrioes_ES
dc.date.accessioned2018-07-26T14:22:24Z-
dc.date.available2018-07-26T14:22:24Z-
dc.date.issued2018-02-01-
dc.identifier.citationAnalytical and Bioanalytical Chemistry 410 (6): 1735-1748 (2018)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/167986-
dc.description.abstractThere is a growing interest in biological models to investigate the effect of neurotransmitter dysregulation on the structure and function of the central nervous system (CNS) at different stages of development. Zebrafish, a vertebrate model increasingly used in neurobiology and neurotoxicology, shares the common neurotransmitter systems with mammals, including glutamate, GABA, glycine, dopamine, norepinephrine, epinephrine, serotonin, acetylcholine, and histamine. In this study, we have evaluated the performance of liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the multiresidue determination of neurotransmitters and related metabolites. In a first step, ionization conditions were tested in positive electrospray mode and optimum fragmentation patterns were determined to optimize two selected reaction monitoring (SRM) transitions. Chromatographic conditions were optimized considering the chemical structure and chromatographic behavior of the analyzed compounds. The best performance was obtained with a Synergy Polar-RP column, which allowed the separation of the 38 compounds in 30 min. In addition, the performance of LC-MS/MS was studied in terms of linearity, sensitivity, intra- and inter-day precision, and overall robustness. The developed analytical method was able to quantify 27 of these neurochemicals in zebrafish chemical models for mild (P1), moderate (P2), and severe (P3) acute organophosphorus poisoning (OPP). The results show a general depression of synaptic-related neurochemicals, including the excitatory and inhibitory amino acids, as well as altered phospholipid metabolism, with specific neurochemical profiles associated to the different grades of severity. These results confirmed that the developed analytical method is a new tool for neurotoxicology research using the zebrafish model. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.es_ES
dc.description.sponsorshipThe research leading to these results has received funding from the European Research Council under European Union's Seven Framework Programme (FP/2007e2013)/ERC Grant Agreement n.320737, the NATO SfP project MD.SFPP 984777, and the grant CTM 2014-51985 from the Spanish Ministry of Economy, Industry and Competitiveness. Moreover, Rita Bausano is acknowledged for extraction samples support during her Erasmus Traineeship stage in the Environmental Chemistry Department at IDEA-CSIC (Barcelona, Spain).es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/320737es_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectAmino acidses_ES
dc.subjectNeurotransmitterses_ES
dc.subjectLC-MS/MSes_ES
dc.subjectZebrafish larvaees_ES
dc.titleComprehensive characterization of neurochemicals in three zebrafish chemical models of human acute organophosphorus poisoning using liquid chromatography-tandem mass spectrometryes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s00216-017-0827-3-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1007/s00216-017-0827-3es_ES
dc.embargo.terms2019-02-01es_ES
dc.contributor.funderEuropean Research Counciles_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000781es_ES
dc.identifier.pmides_ES
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