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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...
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...
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...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...

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Related Experiment Video

Updated: May 15, 2026

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

Hepatitis C and cutaneous alterations.

Letícia Rita Fachinelli1, Ellen Caroline Rosa Resende Silva, Maria Gabriela de Faria Figueiredo

  • 1Universidade Federal do Triângulo Mineiro, Uberaba, MG.

Revista Da Sociedade Brasileira De Medicina Tropical
|January 9, 2013
PubMed
Summary

Hepatitis C virus (HCV) infection can cause autoimmune disorders, known as HCV syndrome. This study reports on skin lesions associated with HCV infection and its treatment in six patients.

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Last Updated: May 15, 2026

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

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Published on: February 3, 2012

A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
11:34

A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target

Published on: May 10, 2022

Area of Science:

  • Hepatology
  • Dermatology
  • Virology

Background:

  • Hepatitis C virus (HCV) infection often leads to liver disease but can also manifest as autoimmune and lymphoproliferative disorders, termed HCV syndrome.
  • While epidemiological studies exist, there is a need for clinical research correlating HCV infection and its treatment with specific skin manifestations.

Observation:

  • This study presents case studies of six patients experiencing varied skin lesions in conjunction with Hepatitis C virus infection.
  • The observations focus on the presentation and characteristics of skin manifestations in the context of HCV infection.

Findings:

  • The case studies detail diverse skin lesions observed in patients with Hepatitis C virus.
  • The findings highlight the occurrence of specific dermatological conditions linked to HCV infection and its therapeutic interventions.

Implications:

  • Understanding the spectrum of skin manifestations in HCV infection is crucial for comprehensive patient management.
  • Further research correlating HCV infection and treatment with skin conditions can improve diagnostic and therapeutic strategies for HCV syndrome.