Cited by 474HIV Research and TreatmentVirus-based gene therapy researchHIV/AIDS drug development and treatment

Redefining the Viral Reservoirs that Prevent HIV-1 Eradication

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Eisele, Evelyn, Siliciano, Robert F.·2012·Immunity

Abstract

This Perspective proposes definitions for key terms in the field of HIV-1 latency and eradication. In the context of eradication, a reservoir is a cell type that allows persistence of replication-competent HIV-1 on a timescale of years in patients on optimal antiretroviral therapy. Reservoirs act as a barrier to eradication in the patient population in which cure attempts will likely be made. Halting viral replication is essential to eradication, and definitions and criteria for assessing whether this goal has been achieved are proposed. The cell types that may serve as reservoirs for HIV-1 are discussed. Currently, only latently infected resting CD4(+) T cells fit the proposed definition of a reservoir, and more evidence is necessary to demonstrate that other cell types, including hematopoietic stem cells and macrophages, fit this definition. Further research is urgently required on potential reservoirs in the gut-associated lymphoid tissue and the central nervous system.

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Crossref · 10.1016/j.immuni.2012.08.010

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  • There is currently no effective strategy to target the latent form of HIV-1 proviruses.

    “While highly active anti-retroviral therapy (HARRT) has dramatically decreased mortality from HIV-1 infection, there is currently no effective strategy to target the latent form of HIV-1 proviruses 5 .”

    From Harnessing the CRISPR/Cas9 system to disrupt latent HIV-1 provirus (2013) · cites this paper as [5]

    The Introduction describes the latent reservoir as a major barrier to HIV-1 eradication. In “The latent reservoir in resting CD4+ T cells,” the paper says reactivation alone may not purge that reservoir, but it also reports that SAHA can perturb it in vivo. Thus, the paper supports the lack of an established strategy to eliminate latent infection, not the categorical claim that no strategy effectively targets it. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Highly active anti-retroviral therapy (HAART) has dramatically decreased mortality from HIV-1 infection.

    “While highly active anti-retroviral therapy (HARRT) has dramatically decreased mortality from HIV-1 infection, there is currently no effective strategy to target the latent form of HIV-1 proviruses 5 .”
  • HAART profoundly reduces HIV-1 replication and plasma viremia but does not suppress low-level viral genome expression and replication in tissues or target the latently infected cells that serve as an HIV-1 reservoir.

    “HAART profoundly reduces viral replication in cells that support HIV-1 infection and reduces plasma viremia to a minimal level but neither suppresses low-level viral genome expression and replication in tissues nor targets the latently infected cells that serve as a reservoir for HIV-1”

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Authors
Eisele, E., & Siliciano, R. F.
Affiliations
  • Johns Hopkins University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Siliciano, Robert F.
Venue
Immunity
Publisher
Elsevier BV
Published
2012-09
Volume
37
Issue
3
Pages
377-388
ISSN
1074-7613 (ISSN-L)
OpenAlex
W1965266980
Cited by
474
References
142
Citations by year
2026: 10 · 2025: 17 · 2024: 24 · 2023: 26 · 2022: 33 · 2021: 32 · 2020: 45 · 2019: 27 · 2018: 33 · 2017: 30 · 2016: 42 · 2015: 48 · 2014: 52 · 2013: 52 · 2012: 2
FWCI
6.12
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Allergy and Infectious Diseases (AI 43222, R01AI043222, R37AI051178, U19AI096113)
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 reservoir, HIV-1 latency, HIV-1 eradication, cure, resting CD4+ T cells, hematopoietic stem cells, macrophages, gut-associated lymphoid tissue, central nervous system, antiretroviral therapy, viral persistence
MeSH terms
Antiviral Agents, Hematopoietic Stem Cells, Humans, Macrophages, CD4-Positive T-Lymphocytes, HIV-1, HIV Infections, Virus Latency, Antiretroviral Therapy, Highly Active, Host-Pathogen Interactions

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