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Related Concept Videos

Liver Regeneration01:24

Liver Regeneration

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The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
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Chronic Pancreatitis I: Introduction01:24

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The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
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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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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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Autoimmune Disorders01:29

Autoimmune Disorders

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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.
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Introduction to Fibroblasts

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Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
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Related Experiment Video

Updated: Aug 7, 2025

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

Rinaldo Pellicano1, Arianna Ferro2, Francesca Cicerchia2

  • 1Unit of Gastroenterology, Città della Salute e della Scienza Hospital, C.so Bramante 88, 10126 Turin, Italy.

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Autoimmune hepatitis (AIH) is a chronic liver disease causing inflammation and fibrosis. Current treatments focus on suppressing inflammation, with research exploring new drugs to prevent disease progression and achieve remission.

Keywords:
autoimmune hepatitisliver diseasesliver fibrosis

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Area of Science:

  • Hepatology
  • Immunology
  • Gastroenterology

Background:

  • Autoimmune hepatitis (AIH) is a chronic, immune-mediated liver disease with diverse clinical presentations.
  • Liver inflammation in AIH leads to oxidative stress, fibrosis, and potentially cirrhosis.
  • Liver biopsy is the gold standard for fibrosis diagnosis, supplemented by biomarkers and imaging.

Purpose of the Study:

  • To review the current understanding of autoimmune hepatitis (AIH).
  • To discuss diagnostic methods for liver fibrosis in AIH.
  • To explore established and emerging therapeutic strategies for AIH.

Main Methods:

  • Review of existing literature on autoimmune hepatitis.
  • Analysis of diagnostic tools for liver fibrosis, including biopsy, biomarkers, and radiological methods.
  • Examination of current and novel pharmacological treatments for AIH.

Main Results:

  • AIH presents with a wide spectrum of symptoms, from mild to severe hepatitis.
  • Chronic inflammation drives fibrosis and cirrhosis in AIH.
  • Standard therapy includes corticosteroids and immunosuppressants, with ongoing research into alternative drugs.

Conclusions:

  • Effective management of AIH aims to reduce liver inflammation and fibrosis.
  • Accurate diagnosis and staging of fibrosis are crucial for treatment decisions.
  • Future research is focused on developing novel therapies to improve outcomes in AIH.