An important role of SREBP-1 in HBV and HCV co-replication inhibition by PTEN.
Virology
; 520: 94-102, 2018 07.
Article
en En
| MEDLINE
| ID: mdl-29803738
ABSTRACT
HBV HCV co-infection leads to more severe liver diseases including liver cancer than mono-infections. Phosphatase and tensin homolog deleted on chromosome 10 (PTEN), a tumor suppressor, inhibits sterol regulatory element binding protein-1 (SREBP-1). In this study, we characterized the effect of the PTEN - SREBP-1 pathway on HBV HCV co-replication in a cellular model. We found that HBV and HCV can co-replicate in Huh-7 cells with no interference. Overexpression of PTEN inhibits, whereas PTEN knockdown enhances, HBV replication as well as HBV and HCV co-replication. Knocking down SREBP-1 decreases HBV replication in an HBx-dependent manner. SREBP-1 knockdown also decreases HCV replication. PTEN knockdown is concomitant with increased nuclear SREBP-1 levels. PTEN and SREBP-1 double knockdown results in intermediate levels of HBV and HCV replication in mono- and co-replication scenarios. Taken together, we demonstrated, for the first time, that the PTEN - SREBP-1 pathway can regulate HBV HCV co-replication.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Replicación Viral
/
Virus de la Hepatitis B
/
Hepacivirus
/
Fosfohidrolasa PTEN
/
Proteína 1 de Unión a los Elementos Reguladores de Esteroles
Tipo de estudio:
Prognostic_studies
Límite:
Humans
Idioma:
En
Revista:
Virology
Año:
2018
Tipo del documento:
Article
País de afiliación:
Canadá