NIH-funded research R21 grant

Understanding a Brucella gene pathway that drives disease

Official title: Characterizing an alternative genetic pathway critical for the virulence of Brucella

Funded at Virginia Polytechnic Inst and St Univ · NIH-11373130 · Data updated 2026-11-12

Researchers are studying a specific Brucella gene pathway to see how it helps the bacteria survive inside immune cells and cause disease in animals and people.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionVirginia Polytechnic Inst and St Univ
NIH-funded
Lab location1 site (Blacksburg, United States)
Project startJune 12, 2026
Project endMay 31, 2028
Funding year2026
Award (this year)$421,560
NIH project number1R21AI185249-01A1
Project IDNIH-11373130 on NIH RePORTER

Who could benefit from this research

Could help

Humans at risk of brucellosis or researchers developing vaccines or therapies could benefit from the knowledge gained.

Less likely to help

Direct patient benefit is not immediate; this is preclinical research in bacteria and animal models.

What this research studies

This project focuses on Brucella bacteria, which can infect animals and humans. It aims to identify genetic pathways, including a regulator called VtlR, that enable Brucella to live inside macrophages and cause disease. The team will explore how these genes affect virulence and bacterial survival, using the bacterial model in lab settings. Findings could inform how to prevent relapse after antibiotic therapy and guide future vaccine or therapeutic strategies.

Why it matters

Potential benefit: A better understanding of Brucella biology may lead to new strategies to prevent infection and reduce relapse after treatment.

How similar studies have gone: Previous work showed a known regulator is important for Brucella virulence, with partial effects observed; the proposed work seeks to extend these findings.

Where this research is happening

  • Virginia Polytechnic Inst and St Univ
    Blacksburg, United States
    Active

Researchers

  • Principal investigator: Caswell, Clayton C — Virginia Polytechnic Inst and St Univ
  • Study coordinator: Caswell, Clayton C

Related research

Other NIH-funded projects on the same topics.

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.