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Estudio de las alteraciones moleculares de los proteoglicanos de heparán sulfato en la enfermedad de Alzheimer

Authors: Lorente Gea, Laura;

Estudio de las alteraciones moleculares de los proteoglicanos de heparán sulfato en la enfermedad de Alzheimer

Abstract

La enfermedad de Alzheimer (EA) es una patología neurodegenerativa que desencadena la muerte. Los proteoglicanos de heparán sulfato (HSPG) son moléculas altamente implicadas en funciones esenciales para la vida y se han descrito alteraciones en múltiples patologías. La heparanasa (HPSE) es la única enzima capaz de cortar las cadenas de HS. La HPSE2 carece de capacidad catalítica. Utilizando áreas específicas de tejido encefálico de donantes control y con EA se han identificado alteraciones en los niveles de expresión génica de las proteínas núcleo de los HSPGs y de las HPSEs, que en su mayoría se han correlacionado con el nivel de severidad de la enfermedad y con la histopatología típica de la EA. Destacó la sobreexpresión de ambas HPSEs así como de SDC2 y SDC3, GPC1-3, COL18A1 y SRGN. Por el contrario, se observó una subexpresión de genes como CD44v3, NRP1, TGFBR3 en las principales áreas estudiadas, así como de la mayoría de los GPCs en el claustrum. Finalmente, se han observado alteraciones en los niveles de expresión de estas moléculas en el cerebelo, una estructura aparentemente preservada en la EA.

159 p.

Country
Spain
Keywords

patología veterinaria, veterinary pathology

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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