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La protocadherina-1 es esencial para la entrada en las células de los hantavirus del Nuevo Mundo
Rohit K Jangra1, Andrew S Herbert2, Rong Li3
1Department of Microbiology and Immunology, Albert Einstein College of Medicine, New York, NY, USA.
La protocadherina-1 (PCDH1) es esencial para la entrada del hantavirus en las células humanas. El bloqueo de la PCDH1 podría prevenir el síndrome pulmonar por hantavirus (HPS) y las infecciones relacionadas.
Área de la Ciencia:
- Virología
- Biología molecular
- Inmunología
Sus antecedentes:
- El síndrome pulmonar por hantavirus (HPS) es una enfermedad respiratoria grave, a menudo fatal, causada por hantavirus zoonóticos.
- No existen tratamientos antivirales específicos ni determinantes moleculares conocidos de la susceptibilidad a la infección por hantavirus.
Objetivo del estudio:
- Identificar los determinantes moleculares de la entrada y la infección del hantavirus en las células endoteliales pulmonares.
- Para explorar posibles objetivos terapéuticos para el HPS.
Principales métodos:
- Ensayos in vitro basados en células para estudiar la entrada de hantavirus.
- Estudios in vivo con un modelo de hámster dorado sirio de infección por el virus de los Andes (ANDV).
- Manipulación genética para eliminar la expresión de la PCDH1.
Principales resultados:
- La protocadherina-1 (PCDH1) fue identificada como un factor huésped esencial para la entrada del virus de los Andes (ANDV) y el virus de Sin Nombre (SNV).
- Las glicoproteínas superficiales del hantavirus se unen directamente a la PCDH1 para entrar en las células.
- La deleción genética de PCDH1 confirió una resistencia significativa a la infección letal por ANDV en los hámsters.
Conclusiones:
- PCDH1 es un determinante crítico para la infección por el hantavirus del Nuevo Mundo.
- Dirigirse a PCDH1 presenta una estrategia terapéutica potencial para combatir las infecciones por hantavirus y HPS.
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