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Updated: Sep 11, 2025

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors
Published on: September 13, 2018
Antiviral RNA silencing in mammals: the importance of selecting the appropriate experimental model
1State Key Laboratory of Animal Biodiversity Conservation and Integrated Pest Management, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
Abstract:
The role of RNA interference (RNAi) in mammalian antiviral immunity remains debated, partly due to variations in experimental models. Here, we critically examine key factors influencing the detection and interpretation of antiviral RNAi, including virus selection, infection efficiency, and small RNA profiling. We highlight the limitations of certain viral models and the need for rigorous methodologies to distinguish canonical virus-derived small interfering RNAs from degradation products. Additionally, we discuss the challenges of using transgenic mouse models to study Dicer-mediated antiviral responses. Standardizing experimental approaches will be essential for clarifying the role of RNAi in mammalian antiviral defense.
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