ArticleMolecular medicine (Cambridge, Mass.)2022
Fn14 exacerbates acute lung injury by activating the NLRP3 inflammasome in mice.
Article in Molecular medicine (Cambridge, Mass.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 24 citations in OpenAlex.
- PDHA1 Hyperactivation-Mediated Glucose Metabolism Reprogramming Fuels Neutrophil NETosis and Promotes Acute Lung Injury.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Dual pKa Lipid Nanoparticles for Lung-tropic mRNA Delivery and pH-Programmed Endosomal Escape.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Polyethylene terephthalate microplastics impair erectile function through macrophage mediated cGAS-STING ferroptosis.iScience · 2026Article
- Fibroblast growth factor-inducible 14 accelerates pulmonary fibrosis by inducing fibroblast senescence in mice.Cellular and molecular life sciences : CMLS · 2026Article
- TWEAK modulates the characteristics of periodontal ligament stem cells via the Fn14/NF‑κB pathway.International journal of molecular medicine · 2026Article
- Palmatine Attenuates Lipopolysaccharide-Induced Acute Lung Injury Via Suppression of NLRP3 Inflammasome Activation, Pyroptosis, and Metabolic Remodeling.Inflammation · 2025Article
- Aurintricarboxylic Acid Attenuates Tramadol Withdrawal Syndrome Via TWEAK/FN14 Inhibition and CREB Modulation in Mice Model.Neuromolecular medicine · 2025Article
- Article
- Inflammation pathways as therapeutic targets in angiotensin II induced atrial fibrillation.Frontiers in pharmacology · 2025Review
- TWEAK/Fn14 disrupts Th17/Treg balance and aggravates conjunctivitis by inhibiting the Nrf2/HO-1 pathway in allergic conjunctivitis mice.Molecular medicine (Cambridge, Mass.) · 2024Article
- mtDNA-cGAS-STING axis-dependent NLRP3 inflammasome activation contributes to postoperative cognitive dysfunction induced by sevoflurane in mice.International journal of biological sciences · 2024Article
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- Tanshinone I specifically suppresses NLRP3 inflammasome activation by disrupting the association of NLRP3 and ASC.Molecular medicine (Cambridge, Mass.) · 2023Article
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9 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundUncontrolled inflammation is an important factor in the occurrence and development of acute lung injury (ALI). Fibroblast growth factor-inducible 14 (Fn14), a plasma membrane-anchored receptor, takes part in the pathological process of a variety of acute and chronic inflammatory diseases. However, the role of Fn14 in ALI has not yet been elucidated. This study aimed to investigate whether the activation of Fn14 exacerbated lipopolysaccharide (LPS)-induced ALI in mice.
methodsIn vivo, ALI was induced by intratracheal LPS-challenge combined with/without Fn14 receptor blocker aurintricarboxylic acid (ATA) treatment in C57BL/6J mice. Following LPS administration, the survival rate, lung tissue injury, inflammatory cell infiltration, inflammatory factor secretion, oxidative stress, and NLRP3 inflammasome activation were assessed. In vitro, primary murine macrophages were used to evaluate the underlying mechanism by which Fn14 activated the NLRP3 inflammasome. Lentivirus was used to silence Fn14 to observe its effect on the activation of NLRP3 inflammasome in macrophages.
resultsIn this study, we found that Fn14 expression was significantly increased in the lungs of LPS-induced ALI mice. The inhibition of Fn14 with ATA downregulated the protein expression of Fn14 in the lungs and improved the survival rate of mice receiving a lethal dose of LPS. ATA also attenuated lung tissue damage by decreasing the infiltration of macrophages and neutrophils, reducing inflammation, and suppressing oxidative stress. Importantly, we found that ATA strongly inhibited the activation of NLRP3 inflammasome in the lungs of ALI mice. Furthermore, in vitro, TWEAK, a natural ligand of Fn14, amplified the activation of NLRP3 inflammasome in the primary murine macrophage. By contrast, inhibition of Fn14 with shRNA decreased the expression of Fn14, NLRP3, Caspase-1 p10, and Caspase-1 p20, and the production of IL-1β and IL-18. Furthermore, the activation of Fn14 promoted the production of reactive oxygen species and inhibited the activation of Nrf2-HO-1 in activated macrophages.
conclusionsOur study first reports that the activation of Fn14 aggravates ALI by amplifying the activation of NLRP3 inflammasome. Therefore, blocking Fn14 may be a potential way to treat ALI.
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