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Published on: November 17, 2018
Functions of intestinal microflora in children
Vittoria Buccigrossi1, Emanuele Nicastro, Alfredo Guarino
1Department of Paediatrics, University of Naples Federico II, Naples, Italy. buccigro@unina.it
Insights
Maintaining a healthy gut microbiota (eubiosis) is crucial for immune function and digestion. Imbalances (dysbiosis) are linked to chronic diseases, suggesting therapeutic targets for restoring microbial balance.
Area of Science:
- Microbiology
- Gastroenterology
- Immunology
Background:
- The Human Microbiome Project has advanced understanding of the gut microbiota.
- Childhood gut microflora is dynamic and responsive to external factors like diet and antibiotics.
- Nutrition significantly influences age-related microflora development.
Purpose of the Study:
- To review the structural composition of intestinal microbiota.
- To explore the functional relationship between microbiota and the host.
- To examine the role of abnormal microflora in chronic diseases.
Main Methods:
- Literature review of current research on gut microbiota.
- Analysis of findings from the Human Microbiome Project.
- Synthesis of evidence linking microflora to host health and disease.
Main Results:
- Eubiosis (normal microbiota) supports immune function, food tolerance, and nutrient processing.
- Dysbiosis (imbalanced microbiota) is associated with intestinal dysfunction and inflammation.
- Abnormal microflora patterns are consistently observed in various chronic diseases.
Conclusions:
- A direct link exists between microbial balance (eubiosis) and physiological functions.
- Microbiota dysbiosis can trigger or exacerbate chronic diseases.
- Targeting the microbiota to restore eubiosis via antibiotics, probiotics, or nutrients is a promising therapeutic strategy.
Purpose Of Review:
This review discusses the structural composition of intestinal microbiota, the functional relationship between the latter and the host, and the role of abnormal microflora in chronic diseases.
Recent Findings:
A more complete view of the gut microbiota is being developed following the Human Microbiome Project. The microflora in children is plastic, susceptible to changes in response to diet modifications, antibiotic treatment and other events, providing the opportunity to study its functional role. Increasing evidence highlights the role of nutrition in the age-related development of microflora. Eubiosis, that is, a normal microflora structure, provides protection against infections, educates the immune system, ensures tolerance to foods, and contributes to nutrient digestion and energy harvest. Changes in microflora, consisting in the overpresence of harmful species or underpresence of commensal species, or dysbiosis produce dysfunctions, such as intestinal inflammation or dysmotility. Moreover abnormal pattern of microflora have been consistently detected in specific diseases.
Summary:
A relationship exists between eubiosis and functions and conversely between dysbiosis and dysfunctions or even diseases. Abnormalities in microflora composition may trigger or contribute to specific diseases. This raises the hypothesis to target microflora in order to restore eubiosis through the use of antibiotics, probiotics or nutrients.
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