Why people's gums react differently to mouth bacteria
Mechanisms underlying the variation in rate and levels of gingival inflammatory responses among the human population
We are seeing how differences in your immune response and mouth bacteria cause different levels of gum inflammation so care can be tailored for adults at risk of gum disease.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Washington NIH-funded |
| Lab location | 1 site (Seattle, United States) |
| Project ID | NIH-11252605 on NIH RePORTER |
What this research studies
You would join a program that uses a controlled Experimental Gingivitis approach, where brief changes in oral hygiene safely trigger and then reverse gum inflammation so researchers can watch the process. Researchers will collect mouth swabs and other samples and use 16S RNA sequencing to map bacterial communities alongside measurements of your immune and inflammatory responses. By comparing these data across people, the team aims to define host response 'types' that explain why some people stay healthy while others develop gingivitis that can progress to periodontitis. The ultimate goal is to use these patterns to guide personalized prevention and treatment plans based on your typical gum response.
Who could benefit from this research
Good fit: Adults with healthy gums or reversible gingivitis who are willing to temporarily alter oral hygiene and provide mouth samples would be the ideal participants.
Not a fit: People with advanced periodontitis, serious medical conditions that affect immunity, or those unwilling to stop oral hygiene temporarily may not benefit or be eligible.
Why it matters
Potential benefit: If successful, this work could lead to personalized prevention and treatment plans that reduce the chance of gingivitis progressing to periodontitis.
How similar studies have performed: Previous experimental gingivitis and oral microbiome studies have linked bacterial shifts and host responses to gum inflammation, but applying those findings to personalized prevention is still relatively new.
Where this research is happening
Seattle, United States
- University of Washington — Seattle, United States (Active)
Researchers
- Principal investigator: Mclean, Jeffrey Scott — University of Washington
- Study coordinator: Mclean, Jeffrey Scott
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.