'Rinse and Replace': Boosting T Cell Turnover To Reduce HIV-1 Reservoirs.

Area of Science:

• Immunology
• Virology
• Infectious Diseases

Background:

• Latent human immunodeficiency virus type 1 (HIV-1) persists in long-lived memory CD4+ T cells during antiretroviral therapy (ART).
• Immune activation in untreated infections increases CD4+ T cell turnover, leading to reservoir washout, but de novo infection can counteract this.
• During ART, reduced immune activation leads to decreased CD4+ T cell turnover and a persistent viral reservoir.

Purpose of the Study:

• To propose a strategy for accelerating the washout of the latent HIV-1 reservoir during ART.
• To investigate methods for enhancing viral protein expression to facilitate reservoir reduction.
• To explore the potential for lifelong viral control through reservoir reduction as an adjunct therapy.

Main Methods:

• The study proposes a theoretical approach involving sequential waves of polyclonal CD4+ T cell activation.
• Simultaneous enhancement of viral protein expression is suggested to complement T cell activation.
• The strategy aims to increase the turnover and clearance of latently infected cells.

Main Results:

• The proposed strategy aims to accelerate the 'washout' of latently infected CD4+ T cells during ART.
• Enhanced viral protein expression alongside T cell activation is hypothesized to promote reservoir reduction.
• This approach could potentially lead to a persistent reduction in the viral reservoir.

Conclusions:

• Accelerating reservoir washout during ART by inducing T cell activation and viral protein expression is a potential strategy.
• This approach may complement existing therapies to achieve lifelong control of HIV-1.
• Further research is needed to validate this strategy for clinical application.