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Article . 2024
License: CC BY
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Pseudoalergia con activación del complemento en COVID-19 grave: reacción cruzada entre anticuerpos anti-PEG y glicoproteínas virales

Authors: Juan F. Gastón Añaños; Elisa Mª Sahún García;

Pseudoalergia con activación del complemento en COVID-19 grave: reacción cruzada entre anticuerpos anti-PEG y glicoproteínas virales

Abstract

En el contexto de la investigación sobre la respuesta inmunitaria al SARS-CoV-2, se planteala hipótesis de una reacción cruzada entre los anticuerpos anti-polietilenglicol (anti-PEG),generados por una exposición previa a PEG y polisorbatos, y las glicoproteínas virales,desencadenando la activación del complemento. La base teórica de esta interacción radicaen que las cadenas de PEG y los polisorbatos comparten estructuras químicas de poliétercon los polisacáridos de manosa presentes en las glicoproteínas de la superficie de loscoronavirus. Se sugiere que esta reacción cruzada podría desencadenar una sobreactivaciónde la cascada inmunitaria en el tejido pulmonar, manifestándose como una forma depseudoalergia y resultando en casos graves de COVID-19. Además, se discute el papel de losanticuerpos anti-PEG en reacciones adversas postvacunales y su posible implicación en otrasenfermedades causadas por virus con glicoproteínas similares.

Keywords

complemento, interferencia inmunológica, SARS-CoV-2, polietilenglicol (PEG), reacción cruzada, coronavirus, COVID-19, polisorbato, anticuerpos anti-PEG, manosa, glicoproteínas

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citations
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
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