Understanding how a toxin from Helicobacter pylori binds to human cells

The Helicobacter pylori VacA Receptor Binding Site

NIH-funded research University of Illinois at Urbana-Champaign · NIH-11030802

This study is looking at how a toxin from the Helicobacter pylori bacteria interacts with our cells, which could help us understand why some people get serious health problems, like stomach cancer, from this infection.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Illinois at Urbana-Champaign NIH-funded
Lab location1 site (Champaign, United States)
Project IDNIH-11030802 on NIH RePORTER

What this research studies

This research investigates the molecular mechanisms by which the Vacuolating Cytotoxin (VacA) from Helicobacter pylori interacts with human cells. By identifying specific regions of the VacA protein that determine its binding to host cells, the study aims to clarify how chronic infection with this bacterium can lead to severe health issues, including gastric cancer. The research will utilize advanced biochemical techniques to analyze the differences between two variants of the VacA toxin, which may influence disease severity and patient outcomes.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with chronic Helicobacter pylori infections, particularly those at risk for gastric cancer.

Not a fit: Patients who do not have Helicobacter pylori infections or those with other unrelated gastrointestinal conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and potential treatments for gastric cancer linked to Helicobacter pylori infections.

How similar studies have performed: Previous studies have shown promising results in understanding bacterial toxins and their interactions with host cells, indicating that this approach has potential for success.

Where this research is happening

Champaign, 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.
Conditions bacteria infectionbacterial diseaseBacterial Infections
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.