Isolation of a human gene that inhibits HIV-1 infection and is suppressed by the viral Vif protein - PubMed (original) (raw)
. 2002 Aug 8;418(6898):646-50.
doi: 10.1038/nature00939. Epub 2002 Jul 14.
Affiliations
- PMID: 12167863
- DOI: 10.1038/nature00939
Isolation of a human gene that inhibits HIV-1 infection and is suppressed by the viral Vif protein
Ann M Sheehy et al. Nature. 2002.
Abstract
Viruses have developed diverse non-immune strategies to counteract host-mediated mechanisms that confer resistance to infection. The Vif (virion infectivity factor) proteins are encoded by primate immunodeficiency viruses, most notably human immunodeficiency virus-1 (HIV-1). These proteins are potent regulators of virus infection and replication and are consequently essential for pathogenic infections in vivo. HIV-1 Vif seems to be required during the late stages of virus production for the suppression of an innate antiviral phenotype that resides in human T lymphocytes. Thus, in the absence of Vif, expression of this phenotype renders progeny virions non-infectious. Here, we describe a unique cellular gene, CEM15, whose transient or stable expression in cells that do not normally express CEM15 recreates this phenotype, but whose antiviral action is overcome by the presence of Vif. Because the Vif:CEM15 regulatory circuit is critical for HIV-1 replication, perturbing the circuit may be a promising target for future HIV/AIDS therapies.
Comment in
- HIV: a tough viral nut to crack.
Pomerantz RJ. Pomerantz RJ. Nature. 2002 Aug 8;418(6898):594-5. doi: 10.1038/418594a. Nature. 2002. PMID: 12167840 No abstract available. - A new cellular system opposing HIV infection: implications for gene transfer?
Bushman F. Bushman F. Mol Ther. 2002 Oct;6(4):441-2. doi: 10.1006/mthe.2002.0706. Mol Ther. 2002. PMID: 12377183 No abstract available.
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