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Búsqueda de Biomarcadores Periféricos en Trastorno Depresivo Mayor

Authors: Rivera Baltanás, Tania;

Búsqueda de Biomarcadores Periféricos en Trastorno Depresivo Mayor

Abstract

La búsqueda de biomarcadores de trastornos afectivos como la depresión mayor que puedan ser trasladados a la clínica está adquiriendo cada vez mayor importancia. En este trabajo estudiamos en primer lugar la alteración en la agrupación del transportador de serotonina (SERT) en linfocitos sanguíneos de ratones heterocigotos reeler (que presentan una disminución de reelina de un 50%), donde se observa un aumento en el número y tamaño de los agrupamientos de SERT. Posteriormente, analizamos las alteraciones de SERT y 5-HT2A en linfocitos de pacientes con depresión mayor (donde se ha mostrado una disminución de reelina en muestras postmortem) y observamos que en pacientes naïve existen alteraciones especificas en tamaño y numero de agrupamientos de SERT y 5-HT2A, que permiten diferenciar dos subtipos de pacientes naïve (D-I y D-II). Los dos subtipos mostraron puntuaciones clínicas (escala de Hamilton y escala de evaluación de la anhedonia) similares antes del tratamiento, sin embargo, tras el tratamiento farmacológico los pacientes D-II presentaron una mejoría clínica significativamente mayor que en el grupo D-I, y un incremento en el número medio de agrupamientos de SERT y una disminución del número de 5-HT2A (parámetros que no se observan alterados por el tratamiento farmacológico en el grupo D-I). Se concluye que el análisis de agrupamientos de SERT y 5-HT2A en linfocitos podría representar un biomarcador de eficacia terapéutica en depresión mayor, aunque entendemos que la validación de estos biomarcadores debiera realizarse en estudios que incluyan un tamaño de muestra mayor y un ensayo clínico controlado.

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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
Average
Green
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Spanish Research Portal