Reply: The mucosal gut signature in primary sclerosing cholangitis before and after liver transplantation. Is the dysbiosis index really predictive for the recurrence of PSC?

The microbiome plays a crucial role in integrating environmental influences into host physiology, potentially linking it to autoimmune liver diseases, such as autoimmune hepatitis, primary biliary cholangitis, and primary sclerosing cholangitis. All autoimmune liver diseases are associated with reduced diversity of the gut microbiome and altered abundance of certain bacteria. However, the relationship between the microbiome and liver diseases is bidirectional and varies over the course of the disease. This makes it challenging to dissect whether such changes in the microbiome are initiating or driving factors in autoimmune liver diseases, secondary consequences of disease and/or pharmacological intervention, or alterations that modify the clinical course that patients experience. Potential mechanisms include the presence of pathobionts, disease-modifying microbial metabolites, and more nonspecific reduced gut barrier function, and it is highly likely that the effect of these change during the progression of the disease. Recurrent disease after liver transplantation is a major clinical challenge and a common denominator in these conditions, which could also represent a window to disease mechanisms of the gut-liver axis. Herein, we propose future research priorities, which should involve clinical trials, extensive molecular phenotyping at high resolution, and experimental studies in model systems. Overall, autoimmune liver diseases are characterized by an altered microbiome, and interventions targeting these changes hold promise for improving clinical care based on the emerging field of microbiota medicine.

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Reply: The mucosal gut signature in primary sclerosing cholangitis before and after liver transplantation. Is the dysbiosis index really predictive for the recurrence of PSC?

Cited by 2 publications

References 3 publications

Letter to the Editor: Mucosal gut microbiota in primary sclerosing cholangitis before and after liver transplantation—Are there other challenges?

Letter to the Editor: Mucosal gut microbiota in primary sclerosing cholangitis before and after liver transplantation—Are there other challenges?

Role of microbiome in autoimmune liver diseases

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