Cited by 1,449HIV Research and TreatmentVirus-based gene therapy researchHIV/AIDS drug development and treatment

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Identification of Host Proteins Required for HIV Infection Through a Functional Genomic Screen

Abstract

HIV-1 exploits multiple host proteins during infection. We performed a large-scale small interfering RNA screen to identify host factors required by HIV-1 and identified more than 250 HIV-dependency factors (HDFs). These proteins participate in a broad array of cellular functions and implicate new pathways in the viral life cycle. Further analysis revealed previously unknown roles for retrograde Golgi transport proteins (Rab6 and Vps53) in viral entry, a karyopherin (TNPO3) in viral integration, and the Mediator complex (Med28) in viral transcription. Transcriptional analysis revealed that HDF genes were enriched for high expression in immune cells, suggesting that viruses evolve in host cells that optimally perform the functions required for their life cycle. This effort illustrates the power with which RNA interference and forward genetics can be used to expose the dependencies of human pathogens such as HIV, and in so doing identify potential targets for therapy.

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Metadata

Authors
Brass, A. L., Dykxhoorn, D. M., Benita, Y., Yan, N., Engelman, A., Xavier, R. J., Lieberman, J., & Elledge, S. J.
Affiliations
Brigham and Women's Hospital (US)
Venue
Science
Published
2008-02-15
Volume
319
Issue
5865
Pages
921-926
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2145848202
Cited by
1,449
References
0
Citations by year
2026: 12 · 2025: 18 · 2024: 26 · 2023: 28 · 2022: 38 · 2021: 38 · 2020: 52 · 2019: 59 · 2018: 71 · 2017: 53 · 2016: 62 · 2015: 96 · 2014: 90 · 2013: 150 · 2012: 148
FWCI
57.05
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Allergy and Infectious Diseases (U19AI056900, AI052014, AI 062773, R01AI062773, R01AI052014, P30AI060354)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK040561)
Topics
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Infectious Diseases › HIV/AIDS drug development and treatment
Keywords
HIV-1, host factors, host-virus interaction, Rab6, viral entry, karyopherins, TNPO3, viral integration, Mediator complex, MED28, viral transcription, antiviral drug targets
MeSH terms
Cytoskeletal Proteins, Humans, Proteins, Transcription, Genetic, Virus Replication, HIV-1, HIV Infections, Virus Integration, Computational Biology, rab GTP-Binding Proteins, Genomics, Karyopherins, Vesicular Transport Proteins, RNA Interference, RNA, Small Interfering, Cell Line, Tumor, Intracellular Signaling Peptides and Proteins, Virus Internalization, Human Immunodeficiency Virus Proteins, Host-Pathogen Interactions, Mediator Complex

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