Emerging Microbes and Infections (Dec 2024)

Effective and targeted latency reversal in CD4+ T cells from individuals on long term combined antiretroviral therapy initiated during chronic HIV-1 infection

  • Minh Ha Ngo,
  • Joshua Pankrac,
  • Ryan C. Y. Ho,
  • Emmanuel Ndashimye,
  • Rahul Pawa,
  • Renata Ceccacci,
  • Tsigereda Biru,
  • Abayomi S. Olabode,
  • Katja Klein,
  • Yue Li,
  • Colin Kovacs,
  • Robert Assad,
  • Jeffrey M. Jacobson,
  • David H. Canaday,
  • Stephen Tomusange,
  • Samiri Jamiru,
  • Aggrey Anok,
  • Taddeo Kityamuweesi,
  • Paul Buule,
  • Ronald M. Galiwango,
  • Steven J. Reynolds,
  • Thomas C. Quinn,
  • Andrew D. Redd,
  • Jessica L. Prodger,
  • Jamie F. S. Mann,
  • Eric J. Arts

DOI
https://doi.org/10.1080/22221751.2024.2327371
Journal volume & issue
Vol. 13, no. 1

Abstract

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To date, an affordable, effective treatment for an HIV-1 cure remains only a concept with most “latency reversal” agents (LRAs) lacking specificity for the latent HIV-1 reservoir and failing in early clinical trials. We assessed HIV-1 latency reversal using a multivalent HIV-1-derived virus-like particle (HLP) to treat samples from 32 people living with HIV-1 (PLWH) in Uganda, US and Canada who initiated combined antiretroviral therapy (cART) during chronic infection. Even after 5–20 years on stable cART, HLP could target CD4+ T cells harbouring latent HIV-1 reservoir resulting in 100-fold more HIV-1 release into culture supernatant than by common recall antigens, and 1000-fold more than by chemotherapeutic LRAs. HLP induced release of a divergent and replication-competent HIV-1 population from PLWH on cART. These findings suggest HLP provides a targeted approach to reactivate the majority of latent HIV-1 proviruses among individuals infected with HIV-1.

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