Epigenetics of alcohol-related liver diseases

Nawras W. Habash, Tejasav S. Sehrawat, Vijay H. Shah, Sheng Cao

Research output: Contribution to journalReview articlepeer-review


Alcohol-related liver disease (ARLD) is a primary cause of chronic liver disease in the United States. Despite advances in the diagnosis and management of ARLD, it remains a major public health problem associated with significant morbidity and mortality, emphasising the need to adopt novel approaches to the study of ARLD and its complications. Epigenetic changes are increasingly being recognised as contributing to the pathogenesis of multiple disease states. Harnessing the power of innovative technologies for the study of epigenetics (e.g., next-generation sequencing, DNA methylation assays, histone modification profiling and computational techniques like machine learning) has resulted in a seismic shift in our understanding of the pathophysiology of ARLD. Knowledge of these techniques and advances is of paramount importance for the practicing hepatologist and researchers alike. Accordingly, in this review article we will summarise the current knowledge about alcohol-induced epigenetic alterations in the context of ARLD, including but not limited to, DNA hyper/hypo methylation, histone modifications, changes in non-coding RNA, 3D chromatin architecture and enhancer-promoter interactions. Additionally, we will discuss the state-of-the-art techniques used in the study of ARLD (e.g. single-cell sequencing). We will also highlight the epigenetic regulation of chemokines and their proinflammatory role in the context of ARLD. Lastly, we will examine the clinical applications of epigenetics in the diagnosis and management of ARLD.

Original languageEnglish (US)
Article number100466
JournalJHEP Reports
Issue number5
StatePublished - May 2022


  • Acetylation
  • Alcohol liver disease
  • Chromatin architecture
  • Computational biology
  • DNA methylation
  • Epidrugs
  • Epigenetics
  • Histones
  • Single cell epigenome

ASJC Scopus subject areas

  • Immunology and Allergy
  • Internal Medicine
  • Hepatology
  • Gastroenterology


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