NIH-funded research R21 grant

Understanding how B cells interact with common bacteria in the body

Official title: Investigating B cell central tolerance to a model commensal antigen

Funded at University of Pittsburgh at Pittsburgh · NIH-11138246 · Data updated 2026-11-12

This study is looking at how a type of immune cell called B cells learns to fight off bad germs while not attacking the body's own healthy tissues, which could help us understand how the immune system works better for everyone.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh
NIH-funded
Lab location1 site (Pittsburgh, United States)
Project startMay 1, 2025
Project endApril 30, 2027
Funding year2025
Award (this year)$186,486
NIH project number1R21AI185145-01A1
Project IDNIH-11138246 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are adults over 21 who may have autoimmune conditions or are interested in immune system health.

Less likely to help

Patients with no autoimmune issues or those not interested in immune system research may not benefit from this study.

What this research studies

This research investigates how B cells, a type of immune cell, maintain balance between responding to harmful pathogens and avoiding attacks on the body's own tissues. It focuses on how these cells can develop tolerance to certain bacterial antigens, which are typically harmless. By using specially designed mice that express specific B cell receptors, the study aims to uncover the mechanisms that allow B cells to distinguish between self and non-self antigens. This could lead to insights into how the immune system manages its responses to both beneficial and harmful microbes.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for autoimmune diseases and better understanding of immune responses to infections.

How similar studies have gone: Previous research has shown promise in understanding B cell tolerance mechanisms, suggesting that this approach could yield valuable insights.

Where this research is happening

  • University of Pittsburgh at Pittsburgh
    Pittsburgh, United States
    Active

Researchers

  • Principal investigator: Elsner, Rebecca a — University of Pittsburgh at Pittsburgh
  • Study coordinator: Elsner, Rebecca a

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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.