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Nanopartículas de óxido de magnesio: una nueva frontera en la terapia antiviral contra el virus del herpes simplex
Abdulhussain Kadhim Jwaziri1, Zahra Salavatiha2, Seyed Jalal Kiani2
1Department of Microbiology, College of Medicine, University of Kerbala, Karbala, Iraq.
Advances in virology
|August 27, 2025
Resumen
Las nanopartículas de óxido de magnesio muestran una potente actividad antiviral contra el virus del herpes simple tipo 1 (HSV-1) in vitro. Estas nanopartículas reducen efectivamente la carga viral sin causar toxicidad a las células huésped, ofreciendo una alternativa prometedora para el tratamiento del HSV-1.
Área de la Ciencia:
- Nanotecnología
- Virología
- Ciencias de los materiales
Sus antecedentes:
- El virus del herpes simple tipo 1 (HSV-1) causa enfermedades humanas significativas.
- El aciclovir es el tratamiento estándar, pero se enfrenta a desafíos con cepas resistentes.
- Los nuevos agentes antivirales son cruciales para el manejo eficaz del HSV-1.
Objetivo del estudio:
- Investigar la eficacia antiviral de las nanopartículas de óxido de magnesio (MgONPs) contra el HSV-1 in vitro.
- Evaluar el perfil de seguridad de MgONPs en las células huésped.
Principales métodos:
- Las MgONP se caracterizaron utilizando varias técnicas espectroscópicas y microscópicas.
- La citotoxicidad se evaluó utilizando el ensayo de absorción de rojo neutro en células Vero.
- La actividad antiviral se determinó mediante PCR cuantitativa en tiempo real para medir la reducción de la carga viral.
Principales resultados:
- MgONPs no mostró toxicidad para las células de Vero en concentraciones de hasta 1000 μg/mL.
- La incubación directa con MgONPs redujo significativamente la carga viral del HSV-1 (hasta un 96,8%).
- El postratamiento con MgONPs también demostró una reducción sustancial de la carga viral (hasta un 99,7%).
Conclusiones:
- Los MgONP demuestran una actividad antiviral significativa dependiente de la dosis contra el HSV-1.
- MgONPs puede inhibir el HSV-1 directamente e interfiriendo en su ciclo de replicación.
- Los MgONP representan un candidato prometedor para el desarrollo de nuevas terapias antivirales contra el HSV-1.
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