How immune system genes shape HSV‑1 effects on Alzheimer's risk

Immunoglobulin Genes and Immunity to HSV1 in Alzheimer's Disease

NIH-funded research Medical University of South Carolina · NIH-11322686

This research looks at whether natural differences in antibody genes change how the common HSV‑1 virus interacts with the brain in people with or at risk for Alzheimer's disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMedical University of South Carolina NIH-funded
Lab location1 site (Charleston, United States)
Project IDNIH-11322686 on NIH RePORTER

What this research studies

From a patient's perspective, researchers will compare antibody gene types (called GM or IGHG allotypes) in people with Alzheimer's, people at risk, and healthy volunteers. They will combine genetic testing with blood tests for past HSV‑1 exposure and may use samples to study how antibodies fight the virus. The team will also consider known Alzheimer's risk factors like the APOE ε4 gene to see how these interact with antibody differences. Results come from lab analyses of patient samples and comparisons across groups to spot patterns linked to dementia risk.

Who could benefit from this research

Good fit: Ideal candidates include people with Alzheimer's disease, people at increased genetic risk (for example APOE ε4 carriers), and healthy volunteers willing to give blood and medical history.

Not a fit: People whose Alzheimer's is unrelated to HSV‑1 or antibody gene differences, or those unwilling to provide samples, are less likely to benefit directly from this work.

Why it matters

Potential benefit: If successful, this work could help identify who is more likely to develop Alzheimer's because of HSV‑1 interactions and point toward new prevention or immune-based approaches.

How similar studies have performed: Previous research has linked APOE ε4 and HSV‑1 to Alzheimer's risk, but studying immunoglobulin GM allotypes in this context is relatively new and not yet proven.

Where this research is happening

Charleston, 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.
Last reviewed 2026-06-13 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.