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Related Experiment Video

Updated: Mar 24, 2026

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γc-cytokines in HIV Cure Research.

Claudia Melo1, Jonathan S Lochner, Alberto Bosque

  • 1Department of Microbiology, Immunology and Tropical Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, District of Columbia, USA.

Current Opinion in HIV and AIDS
|March 17, 2026
PubMed
Summary

Common gamma-chain cytokines (γc-cytokines) show promise for HIV cure by reversing viral latency and boosting immune responses. These cytokines enhance immune cells like NK and CD8+ T cells, aiding in HIV reservoir targeting.

Keywords:
HIV reservoirimmunomodulatorslatency-reversing agentshock and killγc-cytokines

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Area of Science:

  • Immunology
  • Virology
  • Therapeutics

Background:

  • Latent HIV reservoirs are a major barrier to a global HIV cure.
  • Common gamma-chain cytokines (γc-cytokines) are being explored for their potential in HIV cure strategies.
  • These cytokines possess both latency-reversing and immunomodulatory properties.

Purpose of the Study:

  • To review recent in vitro, ex vivo, and in vivo studies on the use of γc-cytokines in HIV cure research.
  • To evaluate the efficacy of γc-cytokines as standalone or combination therapies.
  • To assess the potential of γc-cytokines in targeting latent HIV reservoirs.

Main Methods:

  • Review of in vitro, ex vivo, and in vivo studies.
  • Analysis of γc-cytokine activity, including IL-2 and IL-15 (N-803).
  • Evaluation of combination therapies with broadly neutralizing antibodies and other interventions.

Main Results:

  • γc-cytokines, particularly IL-15/N-803, effectively reactivate latent HIV, especially with STAT-dependent transcriptional enhancement.
  • IL-15-based therapies combined with broadly neutralizing antibodies show potential for viral control in vivo.
  • IL-15/N-803 enhances HIV-specific immunity by promoting NK and CD8+ T cell survival, proliferation, and function.

Conclusions:

  • γc-cytokines act as dual-function agents, reversing HIV latency and enhancing immune responses.
  • Preclinical and clinical data support integrating γc-cytokines into multi-pronged HIV cure strategies.
  • These cytokines lay the groundwork for developing durable, functional HIV cure approaches.