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Updated: Jul 9, 2026

Monitoring Activation of the Antiviral Pattern Recognition Receptors RIG-I And PKR By Limited Protease Digestion and Native PAGE
Published on: July 29, 2014
RNA interference against viruses: strike and counterstrike
Joost Haasnoot1, Ellen M Westerhout, Ben Berkhout
1Laboratory of Experimental Virology, Department of Medical Microbiology, Center for Infection and Immunity Amsterdam, Academic Medical Center of University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands.
Abstract:
RNA interference (RNAi) is a conserved sequence-specific, gene-silencing mechanism that is induced by double-stranded RNA. RNAi holds great promise as a novel nucleic acid-based therapeutic against a wide variety of diseases, including cancer, infectious diseases and genetic disorders. Antiviral RNAi strategies have received much attention and several compounds are currently being tested in clinical trials. Although induced RNAi is able to trigger profound and specific inhibition of virus replication, it is becoming clear that RNAi therapeutics are not as straightforward as we had initially hoped. Difficulties concerning toxicity and delivery to the right cells that earlier hampered the development of antisense-based therapeutics may also apply to RNAi. In addition, there are indications that viruses have evolved ways to escape from RNAi. Proper consideration of all of these issues will be necessary in the design of RNAi-based therapeutics for successful clinical intervention of human pathogenic viruses.
Insights
RNA interference (RNAi) offers a promising gene-silencing approach for treating diseases. However, challenges like toxicity, delivery, and viral escape mechanisms must be addressed for effective RNAi therapeutics.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- RNA interference (RNAi) is a natural gene-silencing process triggered by double-stranded RNA.
- RNAi therapeutics show potential for treating cancer, infectious diseases, and genetic disorders.
- Antiviral RNAi strategies are under investigation, with some compounds in clinical trials.
Purpose of the Study:
- To explore the therapeutic potential of RNA interference (RNAi).
- To identify challenges and considerations for developing effective RNAi-based therapeutics.
- To discuss strategies for overcoming obstacles in RNAi drug development.
Main Methods:
- Review of existing literature on RNAi mechanisms and applications.
- Analysis of challenges in RNAi therapeutic development, including toxicity and delivery.
- Examination of viral evasion strategies against RNAi.
Main Results:
- RNAi can induce specific inhibition of virus replication.
- Toxicity and cellular delivery issues may hinder RNAi therapeutic development.
- Viruses have evolved mechanisms to counteract RNAi.
Conclusions:
- RNAi is a powerful tool with therapeutic promise.
- Overcoming delivery, toxicity, and viral resistance is crucial for clinical success.
- Careful design is essential for developing effective RNAi-based antiviral therapies.
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