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Ex Vivo Infection of Murine Epidermis with Herpes Simplex Virus Type 1
Published on: August 24, 2015
La glicoproteína C del virus del herpes simple 1 actúa como receptor del componente del complemento C3b en las
Nature
|June 14, 1984
Resumen
El virus del herpes simple tipo 1 (HSV-1) la glicoproteína C (gC) actúa como un receptor C3b en las células humanas. Este hallazgo pone de relieve una diferencia clave entre las infecciones por HSV-1 y HSV-2.
Área de la Ciencia:
- Virología Virología.
- Inmunología Inmunología.
- Biología celular Biología celular.
Sus antecedentes:
- Los receptores Fc y C3 se encuentran en varias células humanas.
- Las infecciones virales, incluido el virus del herpes simple (VHS), pueden inducir estos receptores en las células que carecen de ellos.
- Investigaciones anteriores mostraron que la infección por HSV-1 induce los receptores Fc y C3 en las células endoteliales humanas, con la glicoproteína E identificada como un receptor Fc.
Objetivo del estudio:
- Para determinar la función de la glicoproteína C (gC) del HSV-1 en relación con los receptores C3.
- Para investigar las diferencias en la función de la glicoproteína entre HSV-1 y HSV-2.
Principales métodos:
- Infección de las células endoteliales humanas con HSV-1.
- Utilizando anticuerpos monoclonales contra las glicoproteínas HSV-1 para bloquear la detección del receptor.
- Prueba de un mutante HSV-1 que carece de gC (mutante MP) para la expresión del receptor C3b.
Principales resultados:
- La infección por HSV-1 induce un receptor C3b en las células endoteliales humanas.
- Esta expresión del receptor C3b es específica para el HSV-1, no para el HSV-2.
- Los anticuerpos monoclonales contra el HSV-1 gC bloquearon la detección del receptor C3b.
- El mutante HSV-1 MP que carecía de gC no expresaba el receptor C3b.
Conclusiones:
- La glicoproteína C (gC) del virus del herpes simple tipo 1 (HSV-1) funciona como un receptor C3b.
- Esto identifica una nueva función para el HSV-1 gC.
- Existen diferencias funcionales significativas entre las glicoproteínas HSV-1 y HSV-2 con respecto a la inducción del receptor C3b.
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