Related Experiment Video
Updated: Apr 28, 2026

Detection of microRNA Expression in Peritoneal Membrane of Rats Using Quantitative Real-time PCR
Published on: June 27, 2017
MicroRNA in hepatic fibrosis and cirrhosis
Abstract:
Hepatic fibrosis is caused by an imbalance between production and dissolution of extracellular matrix after chronic and inflmmatory injury, when hepatic stellate cells are stimulated to proliferate and secret extracellular matrix. The most common causes of liver fibrosis are chronic viral hepatitis B and C. Cirrhosis is the most advanced stage of fibrosis, which usually develop into hepatocellular carcinoma (HCC). microRNAs participate the pathogenesis of hepatic fibrosis and cirrhosis or even the onset of HCC. In this review, we will summarize the role of miRNA in the pathogenesis of viral hepatitis fibrosis, non-alcoholic steatohepatitis fibrosis, primary biliary cirrhosis and HCC onset, especially in the regulation of stellate cells.
Insights
MicroRNAs (miRNAs) play a key role in liver fibrosis and cirrhosis development. This review details how miRNAs regulate hepatic stellate cells in various liver diseases, including viral hepatitis and hepatocellular carcinoma.
Area of Science:
- Hepatology
- Molecular Biology
- Gastroenterology
Background:
- Hepatic fibrosis results from extracellular matrix imbalance due to chronic liver injury.
- Hepatic stellate cell activation drives fibrosis progression.
- Cirrhosis, advanced fibrosis, can lead to hepatocellular carcinoma (HCC).
Purpose of the Study:
- To review the role of microRNAs (miRNAs) in the pathogenesis of liver fibrosis.
- To explore miRNA involvement in cirrhosis and HCC onset.
- To highlight miRNA regulation of hepatic stellate cells in various liver diseases.
Main Methods:
- Literature review of studies on miRNA function in liver fibrosis.
- Analysis of miRNA involvement in viral hepatitis, non-alcoholic steatohepatitis, and primary biliary cirrhosis.
- Focus on miRNA-mediated regulation of hepatic stellate cells.
Main Results:
- MicroRNAs are implicated in the development of hepatic fibrosis and cirrhosis.
- miRNAs influence the progression from fibrosis to hepatocellular carcinoma.
- Specific miRNAs regulate the activation and proliferation of hepatic stellate cells.
Conclusions:
- MicroRNAs are critical regulators in liver fibrosis and cirrhosis pathogenesis.
- Targeting miRNA pathways may offer therapeutic strategies for liver diseases.
- Understanding miRNA roles is essential for preventing HCC development from fibrosis.
Related Concept Videos
Cirrhosis I: Introduction
Cirrhosis II: Pathophysiology
MicroRNAs
MicroRNAs
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

