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Postbiotic activities of lactobacilli-derived factors
Alessia Cicenia1, Annunziata Scirocco, Marilia Carabotti
1*Department of Internal Medicine and Medical Specialities, University La Sapienza, Viale del Policlinico †Department of Digestive and Liver Disease, Azienda Ospedaliera S. Andrea, Roma, Italy.
Probiotics offer health benefits through gut microbiota interactions. Secreted probiotic factors, known as postbiotics, mediate these effects, offering new therapeutic strategies.
Area of Science:
- Microbiology
- Immunology
- Gastroenterology
Background:
- Probiotics are beneficial gut microorganisms.
- Probiotics modulate host immunity and gut barrier function.
- Secreted probiotic factors, termed postbiotics, mediate health benefits.
Purpose of the Study:
- To review the actions of Lactobacillus secretory products.
- To highlight mechanistic data on probiotic-derived factors.
- To explore postbiotics as therapeutic agents.
Main Methods:
- Literature review of Lactobacillus species.
- Analysis of secreted probiotic factors.
- Focus on mechanistic data.
Main Results:
- Lactobacillus secretory products exert beneficial effects.
- Mechanisms include pathogen inhibition and immune modulation.
- Postbiotics offer therapeutic potential.
Conclusions:
- Secreted factors (postbiotics) are key to probiotic benefits.
- Understanding these mechanisms can lead to new treatments.
- Postbiotics represent a promising area for pharmacological development.
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