Related Experiment Video
Updated: Jul 9, 2026
10:25
"Liver-on-a-Chip" Cultures of Primary Hepatocytes and Kupffer Cells for Hepatitis B Virus Infection
Published on: February 19, 2019
[Growth factors in chronic hepatitis C]
Anatol Panasiuk1, Joanna Pogorzelska, Danuta Prokopowicz
1Klinika Obserwacyjno-Zakaźna, Akademia Medyczna w Białymstoku. anatol@panasiuk.pl
Przeglad Epidemiologiczny
|December 12, 2007
Summary
Serum levels of hepatocyte growth factor (HGF) and platelet-derived growth factor (PDGF) were elevated in chronic hepatitis C patients. HGF levels correlated with liver inflammation and fibrosis severity.
Area of Science:
- Hepatology
- Immunology
- Biochemistry
Background:
- Growth factors like HGF, PDGF, TNF-alpha, and IL-6 are crucial for liver regeneration.
- Chronic hepatitis C involves complex inflammatory and fibrotic processes affecting liver function.
Purpose of the Study:
- To evaluate serum concentrations of specific growth factors in patients with chronic hepatitis C.
- To analyze the relationship between these growth factors and the degree of liver inflammation and fibrosis.
Main Methods:
- Seventy-five patients with chronic hepatitis C underwent liver biopsy, with histological analysis using Scheuer's classification.
- Serum levels of growth factors were quantified using the Enzyme-Linked Immunosorbent Assay (ELISA) method.
- A control group of 20 healthy individuals was included for comparison.
Main Results:
- Serum concentrations of HGF, PDGF, and TNF-alpha were significantly higher in chronic hepatitis C patients compared to healthy controls.
- A statistically significant positive correlation was observed between serum HGF levels and both inflammatory activity and fibrosis stage in the liver.
- Elevated IL-6 levels were also noted, though specific correlations were not detailed in the provided text.
Conclusions:
- Hepatocyte growth factor (HGF) plays a significant role in the pathogenesis of chronic hepatitis C infection.
- Elevated serum HGF, PDGF, and TNF-alpha may serve as biomarkers for liver damage in chronic hepatitis C.
- Further research is warranted to elucidate the precise mechanisms by which these growth factors influence liver disease progression.
Related Concept Videos
01:25Hepatitis
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...
01:24Cirrhosis 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...
01:24Liver Regeneration
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 large...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
01:23Cirrhosis 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...
01:28Role of Hematopoietic Growth Factors
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...
01:28Viral 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...