How Mouth Bacteria Affect Inflammation in Gum Disease

Microbial sphingolipids and suppression of host inflammation in periodontal disease

['FUNDING_R01'] · UNIVERSITY OF FLORIDA · NIH-11122263

This project explores how certain bacteria in the mouth produce special molecules that might calm down the body's immune response, potentially leading to long-lasting gum disease.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF FLORIDA (nih funded)
Locations1 site (GAINESVILLE, UNITED STATES)
Trial IDNIH-11122263 on ClinicalTrials.gov

What this research studies

Our bodies usually fight off infections with inflammation, but in chronic gum disease, this response doesn't clear the infection and can even cause tissue damage. We are learning how specific bacteria, like *Porphyromonas gingivalis*, create unique molecules called sphingolipids that appear to reduce the body's immune reaction. These bacterial molecules might be transferred to our own cells, acting as a way for bacteria to 'talk' to our immune system. By understanding how these bacteria suppress inflammation, we hope to uncover new ways to treat chronic gum disease.

Who could benefit from this research

Good fit: This foundational research is for anyone interested in the underlying causes of chronic periodontal disease and how bacteria interact with our immune system.

Not a fit: Patients looking for immediate new treatments or clinical trials will not directly benefit from this basic science project.

Why it matters

Potential benefit: If successful, this work could lead to new treatments for periodontal disease by targeting how bacteria manipulate the body's immune system.

How similar studies have performed: Previous work has shown that *Porphyromonas gingivalis* can suppress the immune system, and our preliminary studies have highlighted the importance of its sphingolipids in this process.

Where this research is happening

GAINESVILLE, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.