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Related Concept Videos

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...
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...
Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
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Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

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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...

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Related Experiment Video

Updated: Jun 22, 2026

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms
11:36

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms

Published on: May 29, 2020

Autoimmune hepatitis.

Diego Vergani1, Maria Serena Longhi, Dimitrios P Bogdanos

  • 1Institute of Liver Studies, Paediatric Liver Centre, King's College Hospital, Denmark Hill, London, SE5 9RS, UK. diego.vergani@kcl.ac.uk

Seminars in Immunopathology
|June 18, 2009
PubMed
Summary
This summary is machine-generated.

Autoimmune hepatitis (AIH) is an inflammatory liver disease primarily affecting women. Early immunosuppressive treatment is crucial for managing AIH, which involves immune reactions against liver antigens.

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Area of Science:

  • Hepatology
  • Immunology
  • Internal Medicine

Background:

  • Autoimmune hepatitis (AIH) is a chronic inflammatory liver condition predominantly affecting females.
  • Histological hallmarks include interface hepatitis, elevated transaminases, and elevated immunoglobulin G levels.
  • Serological markers like anti-nuclear antibodies (ANA) and anti-smooth muscle antibodies (ASMA) define type 1 AIH, while anti-liver kidney microsomal type 1 (LKM1) antibodies define type 2 AIH.

Purpose of the Study:

  • To summarize the key characteristics of autoimmune hepatitis.
  • To highlight the importance of timely diagnosis and immunosuppressive treatment.
  • To differentiate between type 1 and type 2 AIH based on serological markers.

Main Methods:

  • Review of histological, biochemical, and serological diagnostic criteria for AIH.
  • Analysis of treatment response to immunosuppression.
  • Discussion of proposed etiological factors including genetic and environmental influences.

Main Results:

  • AIH is characterized by specific histological findings and serological autoantibodies.
  • Patients with AIH show a positive response to immunosuppressive therapy.
  • Type 1 AIH is associated with ANA and/or ASMA positivity, while type 2 AIH is linked to LKM1 antibody positivity.

Conclusions:

  • Autoimmune hepatitis requires prompt immunosuppressive treatment upon diagnosis.
  • Genetic and environmental factors likely contribute to AIH pathogenesis.
  • Immune-mediated damage to liver antigens is the presumed mechanism underlying AIH.