ArticleScientific reports2022
MiR-146a alleviates lung injury caused by RSV infection in young rats by targeting TRAF-6 and regulating JNK/ERKMAPK signaling pathways.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Qingwen Baidu Decoction attenuates acute lung injury via macrophage exosomal miR-146a suppression of alveolar epithelial cell pyroptosis.Journal of traditional and complementary medicine · 2026Article
- Article
- Analysis of DNA methyltransferase 3 alpha expression during respiratory syncytial virus strain A infection.Scientific reports · 2025Article
- The Molecular Basis of Asthma Exacerbations Triggered by Viral Infections: The Role of Specific miRNAs.International journal of molecular sciences · 2024Review
- Regulatory role of microRNAs in virus-mediated inflammation.Journal of inflammation (London, England) · 2024Review
- [Urolithin A alleviates respiratory syncytial virus-induced lung infection in neonatal mice by activating miR-136-mediated Sirt1 signaling].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2024Article
- Modulation of Small RNA Signatures by Astrocytes on Early Neurodegeneration Stages; Implications for Biomarker Discovery.Life (Basel, Switzerland) · 2022Review
- Article
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5 authors.
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Abstract
Respiratory syncytial virus (RSV) is a major cause of acute lower respiratory tract infection in infants and children. The present study aimed to investigate the effects of miR-146a on RSV replication and the related mechanisms. MATERIAL AND
methodsWe pretreated A549 and HEp-2 cells and young rats with miR-146a mimic before infection with RSV. The expressions of miR-146a and RSV-F mRNA in cells and lung tissues were detected by RT-qPCR, and production of IL-1β, IL-6, IL-18, and TNF-α in bronchial alveolar lavage fluid (BALF) were determined by ELISA. The expression level of TRAF-6 and activation of the JNK/ERK/MAPK/NF-κB signaling pathway was detected by Western blotting.
resultsRSV infection significantly reduced miR-146a levels in both A549 and HEp-2 cells and rat lung tissues. RSV infection resulted in accelerated growth, increased release of inflammatory cytokines, increased expression of TRAF-6, and activation of the JNK pathway in cells, and the lung inflammatory infiltration and the pathological score increased in rats. Overexpression of miR-146a targeted down-regulation of TRAF-6 expression and JNK/ERK/MAPK/NF-κB pathway induced by RSV infection, reduced the production of inflammatory cytokines IL-1β, IL-6 and TNF-α, and alleviate lung injury in young rats. We got similar results in both A549 and HEp-2 cell experiments.
conclusionMiR-146a alleviates lung injury caused by RSV infection in young rats by targeting TRAF-6 and regulating JNK/ERK/MAPK signaling pathways.
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