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Pardeamiento de la grasa para combatir la obesidad

Authors: Agudiez, Marta; Campillo de Blas, Sofía; Gálvez, María; Tosat Bitrián, Carlota; Mesquida, Aina Catalina;

Pardeamiento de la grasa para combatir la obesidad

Abstract

La obesidad, definida como una acumulación excesiva de grasa corporal, se ha llegado a definir como la pandemia del siglo XXI. Tradicionalmente se ha atribuido al desequilibrio entre la ingesta y el gasto de energía o a la ausencia de actividad física pero hoy en día se sabe que existe una relación con otras enfermedades y que el factor genético es responsable, de al menos, un 33% de los casos. La fisiopatología de la obesidad cursa con una inflamación crónica y la implicación de distintas vías de señalización entre las que destaca la vía Notch. Además, se distinguen dos tipos de grasa (grasa blanca y grasa parda) tanto por su histología como por la expresión de distintos marcadores (UCP-1 específico de la grasa parda). Mientras que la grasa blanca actúa como reservorio de energía, la grasa parda tiene una función de termogénesis. Es por ello que se ha elegido el pardeamiento de la grasa (o transformación de grasa blanca en grasa parda mediado por la vía Notch) como proceso para la búsqueda de un posible tratamiento contra la obesidad. Con este objetivo se propone la realización de un ensayo de High Throughput Screening o HTS libre de células basado en la tecnología AlpaLISA para el cribado de una biblioteca de más de 2 millones de compuestos que nos permita identificar posibles compuestos candidatos capaces de inhibir la actividad de la y-secretasa (diana farmacológica elegida). Con el objetivo de aumentar la eficacia y disminuir la toxicidad de los compuestos candidatos generados, se desarrollaron distintos estudios tanto in vitro como in vivo y se propuso un mecanismo de vehiculización basado en nanopartículas compuestas por PLGA (poly lactide-co glycolide) con un marcador específico de tejido adiposo para la óptima acción del fármaco

Country
Spain
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Keywords

High Throughput Screening (HTS), Obesidad, Nanopartículas, Tratamiento, Pharmacy, Farmacia, Biology, Y-secretasa, High throughput screening (HTS), Biología y Biomedicina

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selected citations
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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).
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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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