HIV-1 cell-to-cell transmission and broadly neutralizing antibodies
Open accessAbstract
HIV-1 spreads through contacts between infected and target cells. Polarized viral budding at the contact site forms the virological synapse. Additional cellular processes, such as nanotubes, filopodia, virus accumulation in endocytic or phagocytic compartments promote efficient viral propagation. Cell-to-cell transmission allows immune evasion and likely contributes to HIV-1 spread in vivo. Anti-HIV-1 broadly neutralizing antibodies (bNAbs) defeat the majority of circulating viral strains by binding to the viral envelope glycoprotein (Env). Several bNAbs have entered clinical evaluation during the last years. It is thus important to understand their mechanism of action and to determine how they interact with infected cells. In experimental models, HIV-1 cell-to-cell transmission is sensitive to neutralization, but the effect of antibodies is often less marked than during cell-free infection. This may be due to differences in the conformation or accessibility of Env at the surface of virions and cells. In this review, we summarize the current knowledge on HIV-1 cell-to-cell transmission and discuss the role of bNAbs during this process.
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Cell contact-mediated infection is resistant to neutralizing antibodies, demonstrated for HIV-1 and SARS-CoV-2.
“The importance of the cell-to-cell transmission mechanism for viral dissemination is evidenced by the resistance of cell contact-mediated infection to neutralizing antibodies, which has been demonstrated for HIV-1 [140] and SARS-CoV-2 [33,141].”
From HIV-1 and HTLV-1 Transmission Modes: Mechanisms and Importance for Virus Spread (2022) · cites this paper as [140]
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Single-cell RNA-seq reveals new types of human blood dendritic cells, monocytes, and progenitors
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Cited by
Sorted by citations
HIV-1 and HTLV-1 Transmission Modes: Mechanisms and Importance for Virus Spread
Kalinichenko, S., Komkov, D., & Mazurov, D. (2022) · Viruses · doi:10.3390/v14010152 · Cited by 68 · see citing works
“The importance of the cell-to-cell transmission mechanism for viral dissemination is evidenced by the resistance of cell contact-mediated infection to neutralizing antibodies, which has been demonstrated for HIV-1 [140] and SARS-CoV-2 [33,141].”
BackgroundKruglova, N., Siniavin, A., Gushchin, V., & Mazurov, D. (2021) · Viruses · doi:10.3390/v13061133 · Cited by 37 · see citing works
- Authors
- Dufloo, J., Bruel, T., & Schwartz, O.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Schwartz, Olivier
- Venue
- Retrovirology
- Published
- 2018-07-28
- Volume
- 15
- Issue
- 1
- Pages
- 51-51
- ISSN
- 1742-4690 (ISSN-L)
- PMC
- PMC6064125
- OpenAlex
- W2883776741
- Cited by
- 69
- References
- 10
- Citations by year
- 2026: 8 · 2025: 3 · 2024: 9 · 2023: 8 · 2022: 13 · 2021: 8 · 2020: 10 · 2019: 7 · 2018: 3
- FWCI
- 1.29
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Retrovirology (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, other-oa)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- L'Oreal USA
- Gilead Sciences
- Sidaction
- Agence Nationale de la Recherche (ANR-10-LABX-77, ANR-10-IHUB-0002, ANR-14-CE14-0015, ANR-14-CE14-0029, CE14-0029, ANR-10-LABX-0077, CE14-0015-01, ANR-10, ANR-10-LABX-0062)
- Topics
- Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
- Health Sciences › Medicine › Infectious Diseases › HIV/AIDS Research and Interventions
- Life Sciences › Immunology and Microbiology › Immunology › T-cell and Retrovirus Studies
- Keywords
- HIV-1, cell-to-cell transmission, broadly neutralizing antibodies, virological synapse, viral envelope glycoprotein, nanotubes, filopodia, immune evasion, viral budding, antibody mechanism of action
- MeSH terms
- Animals, Humans, Macrophages, Models, Biological, Synapses, HIV Antibodies, CD4-Positive T-Lymphocytes, HIV-1, HIV Infections, env Gene Products, Human Immunodeficiency Virus, Immune Evasion, Antibodies, Neutralizing
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