NIH-funded research R21 grant

Neutrophils use DNA to trap and kill pathogens

Official title: Neutrophil Extracellular Traps are Free-Radical Generating DNAzymes

Funded at Stanford University · NIH-11051171 · Data updated 2026-11-12

This study is looking at how a type of immune cell called neutrophils helps fight off infections by using a special process to trap and kill germs, and it aims to understand how certain DNA structures can boost this process, which could lead to new treatments for autoimmune diseases.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionStanford University
NIH-funded
Lab location1 site (Stanford, United States)
Project startMarch 6, 2024
Project endJanuary 31, 2026
Funding year2025
Award (this year)$187,210
NIH project number5R21AI178026-02
Project IDNIH-11051171 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with autoimmune diseases or conditions that involve dysregulated immune responses.

Less likely to help

Patients with non-autoimmune conditions or those not affected by immune system dysfunction may not benefit from this research.

What this research studies

This research investigates how neutrophils, a type of immune cell, utilize a process called NETosis to trap and eliminate invading pathogens. When stimulated by pathogens, neutrophils release DNA fibers that not only capture these harmful cells but also contain proteins and peptides that help kill them through oxidative stress. The study focuses on understanding the role of specific DNA structures, known as G-quadruplexes, in generating free radicals that enhance the neutrophils' bactericidal activity. By exploring these mechanisms, the research aims to uncover new insights into immune responses and potential therapeutic targets for autoimmune diseases.

Why it matters

Potential benefit: If successful, this research could lead to new treatments for autoimmune diseases by enhancing our understanding of immune cell functions.

How similar studies have gone: Other research has shown promise in understanding immune cell mechanisms, but this specific approach focusing on G-quadruplexes is relatively novel.

Where this research is happening

  • Stanford University
    Stanford, United States
    Active

Researchers

  • Principal investigator: Yang, Samuel — Stanford University
  • Study coordinator: Yang, Samuel

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.