How L-Arginine affects the behavior of harmful bacteria in the mouth.

L-Arg availability affects the physiological state of porphyromonas gingivalis.

NIH-funded research Ada Forsyth Institute, INC. · NIH-10876326

This study is looking at how the amino acid L-arginine affects the behavior of a bacteria called Porphyromonas gingivalis, which is known to cause gum disease, to help find new ways to treat gum infections.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionAda Forsyth Institute, INC. NIH-funded
Lab location1 site (Cambridge, United States)
Project IDNIH-10876326 on NIH RePORTER

What this research studies

This research investigates how the availability of L-arginine, an amino acid, influences the behavior of the bacteria Porphyromonas gingivalis, which is linked to periodontal disease. The study aims to understand the environmental signals that determine whether this bacterium behaves in a harmful or harmless way within the oral microbiome. By examining the levels of L-arginine in the mouth during periodontal disease, researchers hope to uncover new therapeutic strategies to manage and treat gum infections. The approach involves analyzing bacterial behavior and interactions in biofilms, which are complex communities of bacteria that can lead to chronic infections.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 years old who are experiencing periodontal disease or related oral health issues.

Not a fit: Patients who do not have periodontal disease or are under 21 years old may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments for periodontal disease, improving oral health and potentially reducing the risk of related systemic conditions.

How similar studies have performed: Previous studies have shown that understanding the microbial environment and its signals can lead to significant advancements in treating chronic inflammatory diseases, suggesting a promising avenue for this research.

Where this research is happening

Cambridge, 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 Alzheimer disease dementiaAlzheimer syndromeAlzheimer's Disease
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.