Human Polycomb group EED protein negatively affects HIV-1 assembly and release
2007
EED Protein's Role in HIV-1 Assembly and Release
publication
Evidence: moderate
Author Information
Author(s): Rakotobe Dina, Tardy Jean-Claude, André Patrice, Hong Saw See, Darlix Jean-Luc, Boulanger Pierre
Primary Institution: Laboratoire de Virologie & Pathologie Humaine, Université Lyon I & CNRS FRE-3011
Hypothesis
The study aims to analyze the biological role of the EED protein in HIV-1 replication.
Conclusion
EED exerts an antiviral activity at the late stage of HIV-1 replication, affecting genomic RNA packaging and virus assembly.
Supporting Evidence
- EED caused a reduction of virus production by 20- to 25-fold as determined by CAp24 immunoassay.
- Coexpression of Nef restored virus yields to levels obtained in the absence of EED.
- EED did not inhibit Gag protein synthesis, indicating its effect was on virus assembly.
Takeaway
EED is a protein that can stop HIV from making more copies of itself by messing with how the virus assembles and releases from cells.
Methodology
The study used HIV-1-based vectors and DNA transfection in 293T cells to analyze the effects of EED on HIV-1 replication.
Digital Object Identifier (DOI)
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