Interaction of hnRNPC with Hepatitis Delta Virus Small Antigen
Author Information
Author(s): Casaca Ana, Fardilha Margarida, da Cruz e Silva Edgar, Cunha Celso
Primary Institution: Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Lisboa, Portugal
Hypothesis
Does the heterogeneous ribonuclear protein C (hnRNPC) interact with the hepatitis delta virus small antigen (S-HDAg) and influence its replication?
Conclusion
hnRNPC interacts with S-HDAg and may play a role in modulating hepatitis delta virus replication.
Supporting Evidence
- Thirty known proteins were identified as S-HDAg interactors in the yeast two-hybrid screening.
- hnRNPC was found to interact with S-HDAg in vitro and in vivo in human liver cells.
- Knockdown of hnRNPC mRNA resulted in a marked decrease in HDV antigen expression.
Takeaway
This study found that a protein called hnRNPC works with a virus protein to help the virus replicate in liver cells.
Methodology
Yeast two-hybrid screening, co-immunoprecipitation, and siRNA knockdown assays were used to study the interaction between hnRNPC and S-HDAg.
Limitations
Further investigation is needed to clarify the exact role of hnRNPC in HDV replication.
Digital Object Identifier (DOI)
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