ArticlePLoS pathogens2026
The CD97-PPM1G axis dampens antiviral immunity by dephosphorylating IRF7 in type I interferon pathway.
Article in PLoS pathogens, 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.
- PAWR augments anti-RNA viral innate immunity by promoting the PIM2-XBP1s-RIG-I signaling axis.Nature communications · 2026Article
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9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The activation of type I interferon (IFN-I) signaling is crucial for defending host cells against viral infections. A comprehensive IFN-I response necessitates the activation of several cellular factors, among them Interferon Regulator Factor 7 (IRF7). Nonetheless, the mechanisms governing IRF7 inactivation in response to viral infection remain largely unknown. Here, we illustrate that Cluster of differentiation 97 (CD97), a G protein-coupled receptor, interacts with PPM1G via intracellular Arg-819 and Arg-822 residues. PPM1G then recruits and dephosphorylates IRF7, leading to its inhibition. CD97-mediated inactivation of IRF7 impedes its translocation into the nucleus and subsequent activation of IFN-I, ultimately promoting the viral replication. Moreover, mice lacking CD97 display heightened resistance to viral infection. The compound sanguinarine (SANG) hinders viral replication by dampening CD97 expression. This study provides a basis for CD97 as a potential antiviral target and SANG as a candidate antiviral small molecule drug.
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