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DIGITAL.CSIC
Conference object . 2022 . Peer-reviewed
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Los cultivos primarios de células granulares de cerebelo como modelo para el estudio de la neurotoxicidad inducida por metilmercurio y otros compuestos

Authors: Suñol, Cristina; Rodríguez-Farré, Eduard;

Los cultivos primarios de células granulares de cerebelo como modelo para el estudio de la neurotoxicidad inducida por metilmercurio y otros compuestos

Abstract

Los criterios que deben ser satisfechos con respecto al desarrollo y estandarización de sistemas apropiados para la evaluación y detección de compuestos neurotóxicos deben incluir dianas celulares generales y dianas específicas indicadoras del funcionalismo del sistema nervioso. Los cultivos primarios neuronales, organotípicos y reagregados, preparados a partir de tejido de diferentes zonas del SN, son adecuados para estudiar el proteoma celular y subcelular, las funciones celulares generales (potencial de membrana celular y mitocondrial, homeostasis 2+ intracelular de Ca , formación de radicales libres y de especies reactivas de oxígeno) y las funciones específicas del sistema nervioso (canales iónicos operados por voltaje y por receptores ionotrópicos; captación y liberación de neurotransmisores), cuya alteración por agentes químicos puede ser la causa de la producción de neurotoxicidad. Los cultivos primarios de células granulares de cerebelo están constituidos principalmente de neuronas glutamatérgicas, con una pequeña participación de neuronas GABAérgicas (6%) y de astrocitos (< 10 %). Su importancia en estudios de neurotoxicología es que son células que i) sintetizan y liberan glutamato y ii) expresan receptores funcionales de GABA y glutamato. Estos cultivos constituyen un buen sistema de ensayo para estudios de excitotoxicidad mediada por el receptor NMDA (i.e., aminoácidos excitadores y neurotoxinas), de toxicidad mediada por el receptor GABA A (i.e., plaguicidas policlorocicloalcanos) y por alteraciones en el transporte de glutamato (i.e., compuestos de mercurio) y para estudios de proteómica (i.e., identificación de dianas alteradas por metilmercurio).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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