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Probiotics: effects on immunity
E Isolauri1, Y Sütas, P Kankaanpää
1Department of Pediatrics, the University of Turku, Turku, Finland. erika.isolauri@utu.fi
The American Journal of Clinical Nutrition
|February 7, 2001
Summary
Probiotics enhance gut health by strengthening the intestinal barrier and modulating immune responses. Specific probiotic strains offer targeted benefits for gut inflammation and dysfunction in various populations.
Area of Science:
- Gastroenterology
- Immunology
- Microbiology
Background:
- The gastrointestinal tract relies on microflora for immune regulation and barrier function.
- Probiotics, live beneficial microorganisms, are used therapeutically to influence gut health.
- Probiotic mechanisms involve non-immunologic and immunologic pathways.
Purpose of the Study:
- To explore the mechanisms of probiotic action in the gut.
- To investigate the role of probiotics in modulating gut immunity and barrier function.
- To highlight the need for strain-specific characterization of probiotic immunomodulatory effects.
Main Methods:
- Review of existing data on probiotic mechanisms.
- Analysis of probiotic effects on intestinal permeability and microecology.
- Examination of probiotic impact on immunoglobulin A responses and inflammatory cytokines.
Main Results:
- Probiotics can normalize intestinal permeability and gut microecology.
- Probiotics modulate immune responses by balancing cytokines, alleviating inflammation.
- Distinct immunomodulatory effects of probiotics are observed in healthy versus diseased individuals.
Conclusions:
- Probiotics are effective tools for managing intestinal inflammation and dysfunction.
- Strain-specific immunomodulatory properties are crucial for targeted probiotic therapies.
- Further research is needed to characterize probiotics for diverse clinical applications.