ArticleVirology journal2015
The effects of H3N2 swine influenza virus infection on TLRs and RLRs signaling pathways in porcine alveolar macrophages.
Article in Virology journal, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- Alveolar Macrophages in Viral Respiratory Infections: Sentinels and Saboteurs of Lung Defense.International journal of molecular sciences · 2025Review
- Expression of NEAT1 induced by influenza virus infection is regulated by activated STAT3 and contributes to STAT3-mediated antiviral immunity.Frontiers in immunology · 2025Article
- The deadly dance of alveolar macrophages and influenza virus.European respiratory review : an official journal of the European Respiratory Society · 2024Review
- Amino acid 138 in the HA of a H3N2 subtype influenza A virus increases affinity for the lower respiratory tract and alveolar macrophages in pigs.PLoS pathogens · 2024Article
- Article
- Establishment of a porcine bronchial epithelial cell line and its application to study innate immunity in the respiratory epithelium.Frontiers in immunology · 2023Article
- Inhibitory Effects and Related Molecular Mechanisms of Huanglian-Ganjiang Combination Against H1N1 Influenza Virus.Revista brasileira de farmacognosia : orgao oficial da Sociedade Brasileira de Farmacognosia · 2023Article
- Roles of RNA Sensors in Host Innate Response to Influenza Virus and Coronavirus Infections.International journal of molecular sciences · 2022Review
- Alveolar Macrophages in Influenza A Infection Guarding the Castle with Sleeping Dragons.Infectious diseases and therapeutics · 2020Article
- Article
- Inhibitory effects and related molecular mechanisms of total flavonoids in Mosla chinensis Maxim against H1N1 influenza virus.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2018Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSwine influenza is an economically important respiratory disease of swine resulting from infection with influenza A virus. Swine influenza virus (SIV) becomes the focus as pigs have been hypothesized to serve as an intermediate host for the adaptation of avian influenza viruses to humans or as mixing vessels for the generation of genetically reassortant viruses. The ability of the innate immune system to detect and respond to pathogens is important for survival. Therefore, there is a critical need to evaluate the immediate response to viral infection, especially the role of the toll-like receptors (TLRs) and RNA helicase RIG-I-like receptors (RLRs) innate immunity signaling pathways in H3N2 swine influenza virus infection.
methodIn this study, porcine alveolar macrophages (PAMs) were obtained from porcine lungs and were infected with SIV at a multiplicity of infection (MOI) of 5 in vitro. The changes of the related receptors, signaling proteins and effector molecules of TLRs and RLRs signaling pathways post H3N2 virus infection of PAMs were quantified by Real-time quantitative RT-PCR and western blotting.
resultsThe results showed that H3N2 SIV infection significantly increased mRNA expression of TLR-3, TLR-7, RIG- I and MDA5 after 4 hpi (P < 0.05). Western blotting showed that the protein levels of TLR-3, TLR-7 and RIG-I also had a significantly increase after PAM exposed to virus. A significant change of MyD88, MAVS, IRF-3 and IRF-7 mRNA expression were present at 8 hpi. More than a 4-fold increase was induced for TNF-α and IL-1β mRNA expression. And the concentration of TNF-α and IL-1β peaked at 12 and 24 hpi, respectively. IFN-α, IFN-β mRNA and protein levels increased after SIV infection and significant differences was observed at 8, 12 and 24 hpi.
conclusionThese results indicate that H3N2 swine influenza virus infection significantly influences the expression of the receptors, adapter proteins and downstream effector molecules of RLRs and TLRs signaling pathways. This study enhances our understanding of innate immunity signaling pathways in PAM anti-infection of H3N2 SIV.
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