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Published on: February 22, 2019
Adverse host responses to bacterial toxins in human infants
1Harvard Medical School, Pediatric Gastroenterology and Nutrition, Massachusetts General Hospital and Children's Hospital, Boston, USA.
Insights
Bacterial toxins binding to the gut lining cause infantile diarrhea. Breast milk and probiotics may influence this interaction, impacting infant health and development.
Area of Science:
- Gastroenterology
- Microbiology
- Developmental Biology
Background:
- Bacterial toxin interaction with the intestinal epithelium is a key factor in infantile diarrhea.
- This interaction is influenced by developmental stage and nutritional status.
- Necrotizing enterocolitis is a concern linked to bacterial-enterocyte interactions.
Purpose of the Study:
- To provide an overview of the complex interaction between bacterial toxins and the intestinal epithelium.
- To highlight the role of developmental and nutritional factors in this process.
- To discuss the impact of diet, breast milk, and probiotics.
Main Methods:
- This is a review article.
- Literature review on bacterial toxin-epithelium interactions.
- Synthesis of information on developmental regulation and nutritional influences.
Main Results:
- Bacterial toxin binding initiates a cascade leading to infantile diarrhea.
- Developmental regulation and nutritional factors significantly modulate these interactions.
- Breast milk and probiotics show potential in influencing bacterial-enterocyte interactions.
Conclusions:
- Understanding bacterial toxin-epithelium interactions is crucial for addressing infantile diarrhea.
- Dietary factors, especially breast milk and probiotics, play a significant role.
- Further research into these interactions can inform therapeutic strategies.
Abstract:
Bacterial toxin interaction with the intestinal epithelium is regulated developmentally as well as by nutritional factors. It is the binding of bacterial toxins to the epithelium followed by several events that forms the basis of infantile diarrhea, a leading cause of morbidity and mortality world-wide. There has been increasing interest in bacterial toxin interaction with the enterocyte, postreceptor events that follow and the effect of developmental regulation on necrotizing enterocolitis. Diet and environmental factors can provide a major influence on bacterial-enterocyte interaction. Particularly important is the role of breast milk and its constituents, as well as probiotics, in this regard. The purpose of this review is to provide a brief overview on this complex interaction.
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