How a nerve-cell protein (ATRX) helps keep herpes simplex virus asleep

The role of ATRX in both promoting the establishment of HSV latency and restricting reactivation

['FUNDING_R01'] · UNIVERSITY OF VIRGINIA · NIH-11330285

Researchers are looking at whether the neuron protein ATRX helps keep herpes simplex virus dormant to reduce painful and dangerous reactivations.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF VIRGINIA (nih funded)
Locations1 site (CHARLOTTESVILLE, UNITED STATES)
Trial IDNIH-11330285 on ClinicalTrials.gov

What this research studies

This project focuses on a protein called ATRX that is abundant in neurons and appears to lock the herpes simplex virus (HSV) genome into a quiet state. Scientists will use neuron cells and animal models to see how ATRX binds the viral DNA and promotes repressive markers like H3K9me3 that keep the virus hidden. They will test what happens to viral reactivation when ATRX function is reduced or when cells experience stress. The team aims to connect these basic findings to potential ways of preventing outbreaks and rare complications such as encephalitis.

Who could benefit from this research

Good fit: People who carry latent HSV (oral or genital) and who experience recurrent reactivations or who are at risk for neurologic complications would be most relevant to this research.

Not a fit: People without HSV infection or whose reactivations are driven by causes unrelated to ATRX are unlikely to receive direct benefit from this project.

Why it matters

Potential benefit: If successful, this work could point to new approaches that stop HSV from reactivating, lowering recurrent sores and rare brain infections.

How similar studies have performed: Laboratory studies have already shown ATRX associates with latent HSV genomes and limits viral gene expression, but translating that knowledge into treatments is largely new and untested.

Where this research is happening

CHARLOTTESVILLE, UNITED STATES

Researchers

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 below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.