New Metabolites from Oral Bacteria Show Promise for Skin Health
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Researchers have discovered 12 indole metabolites produced by Porphyromonas sanguinis (P. sanguinis), a bacterium commonly found in the human mouth, six of which are entirely new to science. These compounds demonstrate the potential to reduce inflammation and protect against damage linked to skin aging,opening avenues for novel skincare treatments. The study, conducted by a team at the Institute for Basic Science in South Korea, highlights the surprising connection between oral microbiome activity and skin health.
The Unexpected link Between Oral Bacteria and Skin aging
The human microbiome – the collection of bacteria, fungi, viruses, and other microorganisms that live in and on our bodies – is increasingly recognized for its profound impact on overall health. While much research focuses on the gut microbiome,other microbial communities,like those in the mouth,are gaining attention. P. sanguinis is a key player in oral health, but its metabolic byproducts and their systemic effects were largely unknown.
“we started with the idea that oral bacteria could produce compounds with previously unknown metabolic functions relevant to health and disease,” explained the researchers in their findings. This led them to investigate the metabolic output of P. sanguinis in detail.
Identifying and Testing Novel Indole Metabolites
The research team cultivated P. sanguinis and extracted its metabolites. Using a combination of spectrometry, isotope labeling, and computational analysis, they identified 12 distinct indole compounds, six of which had never been previously reported. Indoles are a class of chemical compounds known to have diverse biological activities.
To assess their potential impact on skin health, the team tested each metabolite on cultured human skin cells stressed by exposure to reactive oxygen species (ROS).ROS are unstable molecules that contribute to inflammation and collagen breakdown – key processes in skin aging.
Key Findings: Reducing Inflammation and Protecting Collagen
Three of the 12 indole compounds, including two newly identified ones, showed notable protective effects:
* Reduced Reactive Oxygen Species (ROS): the metabolites lowered the levels of damaging ROS in stressed skin cells. https://www.ibs.re.kr/news/news_view.do?idx=469
* Decreased Inflammation: The compounds reduced the production of two inflammatory proteins.
* Protected Collagen: They lowered levels of a protein involved in collagen degradation, helping to preserve skin structure.
Potential for Future Skin Treatments
These findings suggest that the newly discovered indole metabolites could serve as the foundation for developing innovative skincare therapies. By mitigating oxidative stress, inflammation, and collagen breakdown, these compounds may help combat the visible signs of aging and promote healthier skin.
“Based on these early results, the researchers note that the newly characterized indole metabolites could one day form the basis for therapies that help counter the effects of aging on the skin,” the study reports.
Key Takeaways
* Porphyromonas sanguinis, a common oral bacterium, produces metabolites with potential skin health benefits.
* Researchers identified 12 indole compounds, six of which are new to science.
* Three of these compounds reduced inflammation and protected against damage in stressed skin cells.
* These findings suggest a novel pathway for developing anti-aging skincare treatments.
Funding: The authors acknowledge funding from the National Research Foundation of Korea, the BK21 FOUR Project, and the National Supercomputing Center.