ArticleVirology journal2023
Phillyrin ameliorates influenza a virus-induced pulmonary inflammation by antagonizing CXCR2 and inhibiting NLRP3 inflammasome activation.
Article in Virology journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 18 citations in OpenAlex.
- Triptolide exerts antiviral effects and alleviates influenza A‑induced pneumonia by inhibiting the overactivation of absent in melanoma 2 signaling in immune cells.International journal of molecular medicine · 2026Article
- Phillyrin alleviates Kawasaki disease-induced lung inflammation by inhibiting platelet production through the NLRP3/IL-1β/NF-E2 signaling pathway.Chinese medicine · 2026Article
- Therapeutic Efficacy of the Supersulfide Donor NAC-S2 in Influenza Virus Pneumonia via Suppression of Excessive Inflammatory Responses.Microbiology and immunology · 2026Article
- Phillyrin promotes flap survival by mitigating pyroptosis through the TLR4/NF-κB/NLRP3 signaling pathway.Apoptosis : an international journal on programmed cell death · 2026Article
- Article
- ARF3 knockdown inhibits influenza a virus and virus-induced pneumonia.Virus genes · 2025Article
- Natural products alleviate viral pneumonia by modulating inflammatory and oxidative-stress pathways.Frontiers in pharmacology · 2025Review
- Study on the Effect of Phillyrin onBiomolecules · 2024Article
- Phillyrin prevents sepsis-induced acute lung injury through inhibiting the NLRP3/caspase-1/GSDMD-dependent pyroptosis signaling pathway.Acta biochimica et biophysica Sinica · 2024Article
- Identification of a short sequence motif in the influenza A virus pathogenicity factor PB1-F2 required for inhibition of human NLRP3.Journal of virology · 2024Article
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Authors and funding
14 authors at 3 institutions in 1 country.
Funding
Abstract
Influenza is an acute viral respiratory illness with high morbidity rates worldwide. Excessive pulmonary inflammation is the main characteristic of lethal influenza A virus (IAV) infections. Therapeutic options for managing influenza are limited to vaccines and some antiviral medications. Phillyrin is one of the major bioactive components of the Chinese herbal medicine Forsythia suspensa, which has the functions of sterilization, heat clearing and detoxification. In this work, the effect and mechanism of phillyrin on H1N1 influenza (PR8)-induced pneumonia were investigated. We reported that phillyrin (15 mg/kg) treatment after viral challenge significantly improved the weight loss, ameliorated pulmonary inflammation and inhibited the accumulation of multiple cytokines and chemokines in bronchoalveolar lavage fluid on 7 days post infection (dpi). In vitro, phillyrin suppressed influenza viral replication (Matrixprotein and nucleoprotein messenger RNA level) and reduced influenza virus-induced cytopathic effect (CPE). Furthermore,chemokine receptor CXCR2 was confirmed to be markedly inhibited by phillyrin. Surface plasmon resonance results reveal that phillyrin exhibits binding affinity to CXCR2, having a binding affinity constant (KD) value of 1.858e-5 M, suggesting that CXCR2 is a potential therapeutic target for phillyrin. Moreover, phillyrin inhibited the mRNA and protein expression levels of Caspase1, ASC and NLRP3 in the lungs of mice with H1N1-induced pneumonia.This study reveals that phillyrin ameliorates IAV-induced pulmonary inflammation by antagonizing CXCR2 and inhibiting NLRP3 inflammasome activation partly.
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