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Related Concept Videos

Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...

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Related Experiment Video

Updated: May 10, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
10:45

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish

Published on: May 25, 2017

Alcoholic hepatitis: current challenges and future directions.

Ashwani K Singal1, Patrick S Kamath1, Gregory J Gores1

  • 1Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
|July 2, 2013
PubMed
Summary

Severe alcoholic hepatitis has high mortality. Current treatments offer limited survival benefits, prompting research into liver transplantation and new therapies for this serious liver condition.

Keywords:
Alcoholic HepatitisApoptosisLiver InjuryMELD

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Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
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Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
10:42

Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration

Published on: May 13, 2016

Area of Science:

  • Hepatology
  • Gastroenterology
  • Clinical Medicine

Background:

  • Alcoholic hepatitis is a severe liver disease linked to chronic alcohol abuse, carrying a significant mortality risk.
  • Current treatments like corticosteroids and pentoxifylline offer modest survival benefits (around 50%) for patients with severe disease.
  • Established criteria (mDF ≥ 32 or MELD ≥ 18) guide treatment, with the Lille score assessing steroid response.

Purpose of the Study:

  • To review current and emerging treatment options for alcoholic hepatitis.
  • To explore the role and controversies surrounding liver transplantation in select alcoholic hepatitis patients.
  • To highlight future research directions and potential pharmacologic targets.

Main Methods:

  • Literature review of recent treatment trials for alcoholic hepatitis.
  • Analysis of data on liver transplantation outcomes in severe alcoholic hepatitis.
  • Discussion of emerging therapeutic strategies and consortium studies.

Main Results:

  • Corticosteroids and pentoxifylline provide limited survival benefits in severe alcoholic hepatitis.
  • Liver transplantation is being considered for select patients unresponsive to steroids, challenging traditional abstinence requirements.
  • Emerging data suggest potential benefits of transplantation in specific patient groups.

Conclusions:

  • Existing treatments for alcoholic hepatitis are insufficient for many severe cases.
  • Liver transplantation represents a potential, albeit controversial, option for select patients with severe alcoholic hepatitis.
  • Further research is crucial to identify novel pharmacologic targets and optimize treatment strategies.