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Related Concept Videos

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...
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...
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...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
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.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
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...

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Related Experiment Video

Updated: Jun 23, 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 liver disease.

Albert J Czaja1

  • 1Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA. czaja.albert@mayo.edu

Current Opinion in Gastroenterology
|April 24, 2009
PubMed
Summary
This summary is machine-generated.

Simplified diagnosis and improved treatments for autoimmune hepatitis are now available. Research identifies new autoantigens and highlights the potential of T regulatory cells and stem cell therapies for managing this autoimmune liver disease.

More Related Videos

The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice
09:03

The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice

Published on: February 3, 2012

Related Experiment Videos

Last Updated: Jun 23, 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

The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice
09:03

The CYP2D6 Animal Model: How to Induce Autoimmune Hepatitis in Mice

Published on: February 3, 2012

Area of Science:

  • Hepatology
  • Immunology
  • Gastroenterology

Background:

  • Autoimmune hepatitis (AIH) is a chronic liver disease of unknown etiology.
  • Accurate diagnosis and effective treatment are crucial for patient outcomes.
  • Understanding pathogenic mechanisms is key to developing novel therapies.

Purpose of the Study:

  • To review recent advancements in the diagnosis of autoimmune hepatitis.
  • To summarize updated treatment strategies for autoimmune hepatitis.
  • To explore emerging insights into the pathogenic mechanisms of autoimmune hepatitis.

Main Methods:

  • Systematic review of current literature on autoimmune hepatitis diagnosis and treatment.
  • Analysis of proteomic studies identifying novel autoantigens.
  • Evaluation of immunomodulatory therapies, including T regulatory cell function and stem cell transplantation.

Main Results:

  • A simplified diagnostic scoring system demonstrates high sensitivity and specificity.
  • Budesonide combined with azathioprine shows efficacy as first-line therapy.
  • T regulatory cell adoptive transfer is beneficial in preclinical models, suggesting therapeutic potential.
  • Screening for hepatocellular cancer in AIH patients is recommended.

Conclusions:

  • Diagnosis of autoimmune hepatitis is simplified, and management strategies have been enhanced.
  • Novel autoantigens and T-cell populations modulating disease activity have been characterized.
  • Budesonide and azathioprine represent effective frontline therapy, with stem cell transplantation as a potential salvage option.