Hepatic Immune Regulation and Sex Disparities

Overview

Journal Nat Rev Gastroenterol Hepatol

Specialty Gastroenterology

Date 2024 Sep 5

PMID 39237606

Authors

Patrizia Burra

Alberto Zanetto

Bernd Schnabl

Thomas Reiberger

Aldo J Montano-Loza

Rosanna Asselta

Tom Hemming Karlsen

Frank Tacke

Affiliations

Soon will be listed here.

Abstract

Chronic liver disease is a major cause of morbidity and mortality worldwide. Epidemiology, clinical phenotype and response to therapies for gastrointestinal and liver diseases are commonly different between women and men due to sex-specific hormonal, genetic and immune-related factors. The hepatic immune system has unique regulatory functions that promote the induction of intrahepatic tolerance, which is key for maintaining liver health and homeostasis. In liver diseases, hepatic immune alterations are increasingly recognized as a main cofactor responsible for the development and progression of chronic liver injury and fibrosis. In this Review, we discuss the basic mechanisms of sex disparity in hepatic immune regulation and how these mechanisms influence and modify the development of autoimmune liver diseases, genetic liver diseases, portal hypertension and inflammation in chronic liver disease. Alterations in gut microbiota and their crosstalk with the hepatic immune system might affect the progression of liver disease in a sex-specific manner, creating potential opportunities for novel diagnostic and therapeutic approaches to be evaluated in clinical trials. Finally, we identify and propose areas for future basic, translational and clinical research that will advance our understanding of sex disparities in hepatic immunity and liver disease.

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