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Extracellular Vesicles in Alcoholic Liver Injury

  • Akiko Eguchi
  • Yoshiyuki TakeiEmail author
Chapter

Abstract

Alcoholic liver disease (ALD) is one of the most common forms of chronic liver disease in the world; it is a major cause of chronic illness and mortality associated with alcohol over-consumption. ALD represents a broad spectrum of liver injury, such as hepatocyte cell death, liver inflammation, angiogenesis, and fibrosis leading to cirrhosis and hepatocellular carcinoma. Chronic ethanol consumption results in hepatic lipid accumulation and increases cell stress, which leads to inflammation and liver injury during the progression of ALD. It has been shown that crosstalk between hepatocytes and non-parenchymal cells is significantly important. The identifying factors that communicate stress signals from hepatocytes, and may initiate and perpetuate the inflammatory reaction responsible for liver injury and disease progression from steatohepatitis to cirrhosis may have a tremendous biomedical impact. Furthermore, the elucidation of these molecular mechanisms of crosstalk may allow for the identification of an individualized therapeutic approach in the treatment of patients with different stages of ALD and for the development of biomarkers to diagnose ALD progression. Recently, extracellular vesicles (EVs) have been identified as cell-to-cell communicators, the cellular contents of which contain proteins, lipids, and RNAs from stressed/activated cells and transfer this cellular payload to target cells. In this chapter, we will focus on current reports of EV function, how they are involved in the molecular pathogenesis of ALD, and EV biomarkers using EV composition.

Keywords

Extracellular vesicles Alcoholic liver injury ALD ASH AH 

Notes

Acknowledgments

This work was partially supported by JSPS KAKENHI Grant Number JP16H06872 to AE and JSPS KAKENHI Grant Number JP17K09419 to YT.

Conflicts of Interest

No potential conflict of interest relevant to this article was reported.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Gastroenterology and HepatologyGraduate School of Medicine, Mie UniversityTsuJapan

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