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- Title
The Role of Glutamine in the Complex Interaction between Gut Microbiota and Health: A Narrative Review.
- Authors
Perna, Simone; Alalwan, Tariq A.; Alaali, Zahraa; Alnashaba, Tahera; Gasparri, Clara; Infantino, Vittoria; Hammad, Layla; Riva, Antonella; Petrangolini, Giovanna; Allegrini, Pietro; Rondanelli, Mariangela
- Abstract
The scientific literature has demonstrated that glutamine is one of the main beneficial amino acids. It plays an important role in gut microbiota and immunity. This paper provides a critical overview of experimental studies (in vitro, in vivo, and clinical) investigating the efficacy of glutamine and its effect on gut microbiota. As a result of this review, we have summarized that glutamine could affect gut microbiota via different mechanisms including the reduction in the ratio of Firmicutes to Bacteroidetes, with the activation of NF-κB and PI3K-Akt pathways, reducing the intestinal colonization (Eimeria lesions) and bacterial overgrowth or bacterial translocation, increasing the production of secretory immunoglobulin A (SIgA) and immunoglobulin A+ (IgA+) cells in the intestinal lumen, and decreasing asparagine levels. The potential applications of glutamine on gut microbiota include, but are not limited to, the management of obesity, bacterial translocation and community, cytokines profiles, and the management of side effects during post-chemotherapy and constipation periods. Further studies and reviews are needed regarding the effects of glutamine supplementation on other conditions in humans.
- Subjects
GLUTAMINE; GUT microbiome; SCIENTIFIC literature; AMINO acids; BACTERIAL communities; DRUG side effects
- Publication
International Journal of Molecular Sciences, 2019, Vol 20, Issue 20, p5232
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms20205232