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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2017
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Estudio in vitro de la influencia del heterodímero de los receptores D2 de dopamina y 5-HT2A de serotonina, en aplicación a la farmacoterapia antipsicótica

Authors: Gómez Fernández, Sonia;

Estudio in vitro de la influencia del heterodímero de los receptores D2 de dopamina y 5-HT2A de serotonina, en aplicación a la farmacoterapia antipsicótica

Abstract

Los GPCRs de dopamina D2 y de serotonina 5-HT2A constituyen las principales dianas de los antipsicóticos. Tras el hallazgo del heterodímero D2−5-HT2A, varios autores han defendido su implicación en la patología de la esquizofrenia. En esta investigación, se ha estudiado in vitro el cross-talk funcional en el heterocomplejo D2−5-HT2A. Se observó que la expresión y bloqueo del receptor D2 desencadenaron, respectivamente, procesos de cooperatividad positiva y negativa, en la eficacia de activación del receptor 5-HT2A por el alucinógeno (±)DOI. Además, se determinó que la estimulación del receptor 5-HT2A por (±)DOI generó una modulación de la vía de señalización dependiente de Gi/o del receptor D2 activado por dopamina y antagonizado por los antipsicóticos típicos haloperidol y clorpromazina, y atípicos clozapina, risperidona y aripiprazol. Estos resultados han sustentado la existencia de múltiples fenómenos de alosterismo entre los receptores del heterocomplejo D2−5-HT2A, en rutas de señalización dirigidas por agonistas alucinógenos y fármacos antipsicóticos.

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Spain
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Keywords

Materias::Investigación::32 Ciencias médicas::3209 Farmacología::320990 Farmacología experimental, Heterodímero D2/5-HT2A, Alucinógenos, :Investigación::32 Ciencias médicas::3208 Farmacodinámica::320804 Lugar de acción activa, receptores [Materias], cross-talk funcional, :Investigación::32 Ciencias médicas::3209 Farmacología::320990 Farmacología experimental [Materias], Antipsicóticos, Materias::Investigación::32 Ciencias médicas::3208 Farmacodinámica::320804 Lugar de acción activa, receptores

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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!
0
Average
Average
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