ArticleRNA (New York, N.Y.)2026
Terminal loop sequences in viral double-stranded RNAs modulate RIG-I signaling.
Article in RNA (New York, N.Y.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Variable and conserved features of copy-back viral genome populations generatedJournal of virology · 2026Article
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4 authors.
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Abstract
Detection of foreign RNAs is a crucial activation step for innate immunity pathways in response to viral infections. Retinoic acid-inducible gene I (RIG-I) is a cytoplasmic RNA sensor that triggers type I and III interferon (IFN) expression and activates the antiviral response during RNA virus infections. The activating ligand for RIG-I has been shown to be 5'-triphosphated, blunt-ended, double-stranded (ds)RNA, but questions remain on the impact of other RNA motifs on RIG-I activation. Here we show that immune-activating copy-back viral genomes (cbVGs) contain RNA stem-loops away from the 5' end of the RNA that enhance RIG-I signaling and IFN expression. Importantly, the sequence of the terminal loops of the activating motifs impacts the strength of IFN expression. Additionally, we show that synthetic versions of these cbVG-derived stem-loops trigger innate immune responses in mice, demonstrating their potential as immunostimulants in vivo.
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