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The Gut-Liver Axis in Pediatric Liver Health and Disease
Stephanie L Rager1,2, Melody Y Zeng1,2,3
1Gale and Ira Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY 10021, USA.
Insights
The gut-liver axis in children is poorly understood, impacting liver health. This review explores pediatric liver diseases and gut microbiota, proposing therapeutic strategies.
Area of Science:
- Microbiology
- Hepatology
- Pediatric Gastroenterology
Background:
- The gut-liver axis, crucial for systemic health, is well-studied in adults but poorly understood in children.
- Children possess unique physiology and distinct gut microbial communities, necessitating specific research into their gut-liver axis.
- Pediatric hepatobiliary conditions are influenced by gut microbiota, and conversely, these conditions alter the gut microbial environment.
Purpose of the Study:
- To provide a comprehensive overview of the gut-liver axis in pediatric hepatobiliary conditions.
- To explore the role of gut microbiota in the development and progression of common pediatric liver diseases.
- To review current literature on microbial alterations in specific pediatric liver diseases and propose therapeutic avenues.
Main Methods:
- Literature review of common pediatric hepatobiliary conditions.
- Analysis of studies investigating gut microbiota contributions to pediatric liver diseases.
- Examination of microbial alterations in biliary atresia, pediatric NAFLD, Wilson's disease, CF, IBD, and viral hepatitis.
Main Results:
- Significant alterations in gut microbiota are observed in various pediatric liver diseases.
- The gut-liver axis plays a critical role in the pathogenesis of conditions like biliary atresia and pediatric NAFLD.
- Existing literature highlights the bidirectional relationship between gut microbiota and pediatric liver health.
Conclusions:
- Understanding the pediatric gut-liver axis is essential for addressing liver diseases in children.
- Modulating the gut microbiota offers potential therapeutic strategies for pediatric liver conditions.
- Further research into the pediatric gut-liver axis can lead to novel treatments for liver disease progression.
Abstract:
There has been growing interest in the complex host-microbe interactions within the human gut and the role these interactions play in systemic health and disease. As an essential metabolic organ, the liver is intimately coupled to the intestinal microbial environment via the portal venous system. Our understanding of the gut-liver axis comes almost exclusively from studies of adults; the gut-liver axis in children, who have unique physiology and differing gut microbial communities, remains poorly understood. Here, we provide a comprehensive overview of common pediatric hepatobiliary conditions and recent studies exploring the contributions of the gut microbiota to these conditions or changes of the gut microbiota due to these conditions. We examine the current literature regarding the microbial alterations that take place in biliary atresia, pediatric non-alcoholic fatty liver disease, Wilson's disease, cystic fibrosis, inflammatory bowel disease, and viral hepatitis. Finally, we propose potential therapeutic approaches involving modulation of the gut microbiota and the gut-liver axis to mitigate the progression of pediatric liver disease.
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