Related Experiment Video
Updated: May 26, 2026

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses
Published on: May 5, 2014
[Research advances on treatment of hepatitis C infection based on RNA interference and microRNA modulation]
Yan-ning Liu1, Guo-hua Lou, Zhi Chen
1State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.
Insights
Hepatitis C virus (HCV) infection affects 170 million globally, risking liver disease. RNA interference (RNAi) and microRNA (miRNA) offer promising gene therapy strategies for HCV treatment and prevention.
Area of Science:
- Virology and Immunology
- Gene Therapy and Molecular Biology
Context:
- Hepatitis C virus (HCV) infection is a significant global health issue, impacting approximately 170 million individuals worldwide.
- Chronic HCV infection leads to severe liver conditions, including cirrhosis, hepatocellular carcinoma (HCC), and liver failure.
- Current prevention methods, such as vaccines and antibodies, are lacking for HCV.
Purpose:
- To provide a comprehensive overview of RNA interference (RNAi) and microRNA (miRNA)-based strategies for treating hepatitis C infection.
- To discuss the latest developments in therapeutic targets for RNAi against HCV.
- To explore advancements in liver-targeted delivery systems and the role of miRNAs in HCV treatment.
Summary:
- RNA interference (RNAi) is emerging as a potent therapeutic approach for viral infections, including HCV.
- Progress in gene therapy has enhanced the feasibility of clinical applications for RNAi-based treatments.
- RNAi research has identified numerous viral and host-cell factors as potential therapeutic targets for HCV.
Impact:
- RNAi and miRNA-based antiviral strategies hold significant promise for the future treatment of hepatitis C.
- Advances in gene delivery techniques are crucial for the successful clinical application of these therapies.
- Understanding the critical role of microRNAs in HCV infection opens new avenues for antiviral drug development.
Abstract:
Infection with hepatitis C virus (HCV) is one of the major global health problems, approximately 170 million people are infected worldwide. The chronic HCV infection is associated with a high risk of developing liver cirrhosis, hepatocellular carcinoma (HCC) and liver failure. Unfortunately, there is still no effective vaccine or antibodies available for the prevention of infection. RNA interference (RNAi) represents a promising new approach to combat viral infections, and recent developments in the field of gene therapy have increased the feasibility of clinical applications. RNAi techniques have made rapid progress in the basic understanding of HCV biology and revealed numerous new viral and host-cell factors as potential targets for therapy. Together with the improvement of gene delivery technique and the discovery of the critical role of microRNA (miRNA) in HCV infection, RNAi and miRNA-based antiviral strategies hold great promise for the future. In this article, we provide a comprehensive overview of current developments of therapeutic targets of RNAi, liver-targeted delivery systems and the potential applications of miRNAs in treatment of hepatitis C infection.
Related Concept Videos
Inhibitors of Viral Protein Synthesis
Hepatitis
RNA Interference
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
RNA Interference
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
Experimental RNAi
siRNA - Small Interfering RNAs
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the ATP-dependent...

