Human Immunodeficiency Virus Impairs Reverse Cholesterol Transport from Macrophages
2006
HIV and Cholesterol: A New Antiretroviral Strategy
publication
Evidence: moderate
Author Information
Author(s): Zahedi Mujawar, Michael Bukrinsky, Dmitri Sviridov
Hypothesis
Does the HIV protein Nef disrupt cholesterol trafficking in macrophages?
Conclusion
HIV impairs cholesterol efflux in macrophages through the Nef protein, leading to increased cholesterol accumulation and potential cardiovascular risks.
Supporting Evidence
- HIV Nef disrupts cholesterol trafficking in macrophages.
- Cholesterol efflux to apoA-I was significantly reduced in cells infected with functional Nef.
- Increasing ABCA1 levels restored cholesterol efflux and reduced HIV replication.
Takeaway
HIV can make it hard for certain cells in the body to get rid of cholesterol, which can lead to heart problems.
Methodology
The study involved infecting macrophages with HIV strains to observe cholesterol efflux and the role of the Nef protein.
Digital Object Identifier (DOI)
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