What the study found
The article says Lactobacillus reuteri is a well-studied probiotic bacterium found in several human body sites, and that it is associated with beneficial effects. These include antimicrobial activity, effects on the immune system, and strengthening of the intestinal barrier.
Why the authors say this matters
The authors conclude that increasing the colonization of L. reuteri may be relevant for inflammatory diseases, including diseases in the gut and in remote tissues. They also suggest that direct supplementation or prebiotic modulation of L. reuteri may be an attractive preventive and/or therapeutic avenue against inflammatory diseases.
What the researchers tested
This is a research article that reviews what is known about L. reuteri in human health and disease. The abstract describes its presence in the gastrointestinal tract, urinary tract, skin, and breast milk, and summarizes reported biological effects.
What worked and what didn't
The abstract reports that L. reuteri can produce antimicrobial molecules such as organic acids, ethanol, and reuterin, which may inhibit pathogenic microbes and reshape commensal microbiota. It also says some strains can reduce pro-inflammatory cytokines and support regulatory T cell development and function, while strengthening the intestinal barrier may reduce microbial translocation from the gut lumen to tissues.
What to keep in mind
The abstract does not describe specific experiments, sample sizes, or the strength of evidence behind each claim. It also notes that L. reuteri abundance varies among individuals, and that its decrease over recent decades is correlated with increased inflammatory diseases, but it does not state this as proof of causation.
Key points
- Lactobacillus reuteri is found in the human gastrointestinal tract, urinary tract, skin, and breast milk.
- The bacterium can produce antimicrobial molecules including organic acids, ethanol, and reuterin.
- Some L. reuteri strains may reduce pro-inflammatory cytokines and support regulatory T cells.
- The abstract says L. reuteri may strengthen the intestinal barrier and reduce microbial translocation.
- The authors suggest supplementation or prebiotic modulation could be a preventive or therapeutic option for inflammatory diseases.
Disclosure
- Research title:
- Lactobacillus reuteri is linked to several beneficial host effects
- Authors:
- Qinghui Mu, Vincent J. Tavella, Xin Luo
- Institutions:
- Virginia Tech, Virginia Tech, Virginia Tech, Virginia–Maryland College of Veterinary Medicine, Virginia–Maryland College of Veterinary Medicine, Virginia–Maryland College of Veterinary Medicine
- Publication date:
- 2018-04-19
- OpenAlex record:
- View
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