NIH-funded research R21 grant

Investigating how a specific protein helps HIV-1 evade the immune system

Official title: ESCRT-Related protein PTPN23 as a cofactor for HIV-1 Vpu

Funded at Veterans Medical Research Fdn/san Diego · NIH-10678902 · Data updated 2026-11-12

This study is looking at how a specific protein helps the HIV virus avoid the body's defenses, with the goal of finding new ways to improve treatments for people living with HIV.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionVeterans Medical Research Fdn/san Diego
NIH-funded
Lab location1 site (San Diego, United States)
Project startAugust 9, 2022
Project endJuly 31, 2025
Funding year2023
Award (this year)$179,375
NIH project number5R21AI172599-02
Project IDNIH-10678902 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research would be individuals living with HIV-1 who are seeking new treatment options.

Less likely to help

Patients who are not infected with HIV-1 or those who are not responsive to current treatments may not receive benefit from this research.

What this research studies

This research focuses on understanding the role of the ESCRT-associated protein PTPN23 in the HIV-1 lifecycle, particularly how it interacts with the viral protein Vpu to facilitate the virus's ability to evade the host's immune responses. By examining the mechanisms through which HIV-1 manipulates host cellular processes, the study aims to identify potential therapeutic targets that could improve treatment options for HIV-1 infection. The approach involves techniques such as transient knockdown of PTPN23 to observe its effects on viral release and immune evasion. Patients may benefit from insights gained that could lead to new strategies for combating HIV-1.

Why it matters

Potential benefit: If successful, this research could lead to new therapeutic strategies that enhance the immune response against HIV-1.

How similar studies have gone: Other research has shown success in targeting viral accessory proteins to enhance immune responses, suggesting that this approach may yield valuable insights.

Where this research is happening

  • Veterans Medical Research Fdn/san Diego
    San Diego, United States
    Active

Researchers

  • Principal investigator: Stoneham, Charlotte a — Veterans Medical Research Fdn/san Diego
  • Study coordinator: Stoneham, Charlotte a

Related research

Other NIH-funded projects on the same topics.

  • PSA Screening: Understanding Benefits and Risks for Black Men

    This grant studies how PSA screening affects Black men to help tailor guidelines and decision-making.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11428699

  • Medial Prefrontal Cortex and Alcohol Relapse in Humans

    A study aims to understand brain factors in relapse to drinking alcohol after abstinence, focusing on the medial prefrontal cortex and blood-brain barrier changes in adults with alcohol use disorder.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11395370

  • How BST2 variants affect HIV defense and help the virus

    This grant studies how HIV tricks the body’s BST2/tetherin defenses and what that means for HIV staying in your body and spreading.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11370701

  • Kidney tubule function and APOL1 in African ancestry people

    A study to understand how kidney tubule health markers relate to kidney disease risk in African ancestry individuals with APOL1 variants.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11364368

  • How breathing machines can harm the kidneys

    Doctors will look at how ventilators change kidney filtering and salt handling in people who are critically ill to help prevent kidney damage.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11349714

  • How SGLT2-blocking diabetes drugs affect kidney filtering and tubule function

    This research looks at how SGLT2-blocking diabetes medicines change tiny blood vessels, tubules, and metabolism inside diabetic kidneys to explain how they slow kidney disease.

    NIH research Veterans Medical Research Fdn/san Diego · San Diego, United States · NIH-11324539

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.