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Updated: Feb 7, 2026

Author Spotlight: Exploring the Role of Unfolded Protein Response in HIV-1 Replication and Infectivity
Published on: June 14, 2024
HIV-1 Infection and Type 1 Interferon: Navigating Through Uncertain Waters
Sho Sugawara1, David L Thomas1, Ashwin Balagopal1
1Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.
Antiretroviral therapy (ART) controls HIV-1 but doesn't cure it due to latent reservoirs. Type 1 interferon (IFN) signaling persists in patients and may even maintain this HIV-1 reservoir.
Area of Science:
- Virology
- Immunology
- Infectious Diseases
Background:
- Human Immunodeficiency Virus type 1 (HIV-1) is a global health concern.
- Antiretroviral therapy (ART) manages HIV-1 replication but fails to eliminate the latent viral reservoir, preventing a cure.
- Persistent immune activation, including type 1 interferon (IFN) signaling, is observed in individuals on ART.
Purpose of the Study:
- To review the molecular interplay between HIV-1 and type 1 IFN signaling.
- To evaluate the in vivo efficacy of type 1 IFNs against HIV-1.
- To explore the potential therapeutic role of modulating type 1 IFN signaling in HIV-1 infection.
Main Methods:
- Literature review of molecular interactions between HIV-1 and type 1 IFN pathways.
- Analysis of existing data on type 1 IFN efficacy in vivo.
- Exploration of therapeutic strategies involving type 1 IFN modulation.
Main Results:
- Type 1 IFN signaling is paradoxically associated with limited control of chronic HIV-1.
- Evidence suggests type 1 IFN may contribute to the maintenance of the latent HIV-1 reservoir.
- The precise role and therapeutic potential of type 1 IFNs in HIV-1 require further investigation.
Conclusions:
- Understanding the complex relationship between HIV-1 and type 1 IFN signaling is crucial.
- Targeting type 1 IFN pathways may offer novel therapeutic avenues for HIV-1 cure strategies.
- Further research is needed to determine if limited type 1 IFN manipulation can be a viable therapeutic approach.
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