ArticleCellular & molecular biology letters2023
Irf7 regulates the expression of Srg3 and ferroptosis axis aggravated sepsis-induced acute lung injury.
Article in Cellular & molecular biology letters, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 52 citations in OpenAlex.
- SF1 regulates the transcription of FDX1 to promote cuproptosis in pediatric sepsis-related acute lung injury by interacting with cJUN.Biology direct · 2026Article
- Ferroptosis-related TFRC: a potential therapeutic target in sepsis and regulatory effect of γ-Tocotrienol.Human genomics · 2026Article
- The potential clinical value of combining serum miR-769-5p with lung ultrasound for the diagnosis of acute lung injury.Journal of cardiothoracic surgery · 2026Article
- Ferroptosis and macrophage polarization: mechanisms, interplay, and implications for medical applications.Cell death discovery · 2026Review
- Multi-omics analysis and experimental validation reveal the IRF7-CXCL10 axis as a master regulator of microglial PCD in ischemic stroke.Cell biology and toxicology · 2026Article
- Targeted inhibition of PARP-1 in pulmonary epithelial cells and macrophages via SPA-functionalized microparticles attenuates sepsis-induced lung injury.Materials today. Bio · 2026Article
- Nanotherapeutic Macrophage-Neuro Reprogramming Through Immunometabolic Crosstalk Mitigates Sepsis-Induced Lung Injury and Neurologic Damage.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Article
- IRF7 Modulates Inflammatory Pain Through Upregulating IFNβ in Mice Trigeminal Ganglion.Inflammation · 2026Article
- Article
- Identification of the mitochondria-related genePeerJ · 2026Article
- Natural products in treating sepsis-associated lung and liver injuries by mediating ferroptosis, current progress, and future perspective.Frontiers in pharmacology · 2026Review
- Ferroptosis in vascular injury of critically ill patients: implications of gut microbiota regulation.Frontiers in cellular and infection microbiology · 2026Review
- Immunometabolic Reprogramming in Experimental Sepsis: A Driver of Multiple Organ Dysfunction Syndrome.Journal of inflammation research · 2026Review
- IRF7 drives macrophages to kill bacteria and improves septic outcomes via autophagy.JCI insight · 2025Article
- Integrative transcriptomic analysis reveals cross-species conserved core genes and pathways in alveolar macrophages during ALI/ARDS.BMC pulmonary medicine · 2025Article
- VASP Knockdown Ameliorates Lipopolysaccharide-Induced Acute Lung Injury with Inhibition of M1 Macrophage Polarization Through the cGMP-PKG Signaling Pathway.Inflammation · 2025Article
- FGF15/FGFR4 signaling suppresses M1 macrophage polarization and multi-organ inflammation in septic mice by inhibiting H3K18 lactylation-driven Irf7 expression through NF2-Hippo activation.Cell death & disease · 2025Article
- Iron-Immune Crosstalk at the Maternal-Fetal Interface: Emerging Mechanisms in the Pathogenesis of Preeclampsia.Antioxidants (Basel, Switzerland) · 2025Review
- IRF7 Activates LCN2 Transcription to Enhance LPS-Induced Acute Lung Injury by Inducing Macrophage Ferroptosis and M1 Polarization.Cell biochemistry and biophysics · 2025Article
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
Abstract
objectiveTo investigate the mechanism of action of Srg3 in acute lung injury caused by sepsis.
methodsFirst, a sepsis-induced acute lung injury rat model was established using cecal ligation and puncture (CLP). RNA sequencing (RNA-seq) was used to screen for highly expressed genes in sepsis-induced acute lung injury (ALI), and the results showed that Srg3 was significantly upregulated. Then, SWI3-related gene 3 (Srg3) was knocked down using AAV9 vector in vivo, and changes in ALI symptoms in rats were analyzed. In vitro experiments were conducted by establishing a cell model using lipopolysaccharide (LPS)-induced BEAS-2B cells and coculturing them with phorbol 12-myristate 13-acetate (PMA)-treated THP-1 cells to analyze macrophage polarization. Next, downstream signaling pathways regulated by Srg3 and transcription factors involved in regulating Srg3 expression were analyzed using the KEGG database. Finally, gain-of-loss functional validation experiments were performed to analyze the role of downstream signaling pathways regulated by Srg3 and transcription factors involved in regulating Srg3 expression in sepsis-induced acute lung injury.
resultsSrg3 was significantly upregulated in sepsis-induced acute lung injury, and knocking down Srg3 significantly improved the symptoms of ALI in rats. Furthermore, in vitro experiments showed that knocking down Srg3 significantly weakened the inhibitory effect of LPS on the viability of BEAS-2B cells and promoted alternative activation phenotype (M2) macrophage polarization. Subsequent experiments showed that Srg3 can regulate the activation of the NF-κB signaling pathway and promote ferroptosis. Specific activation of the NF-κB signaling pathway or ferroptosis significantly weakened the effect of Srg3 knockdown. It was then found that Srg3 can be transcriptionally activated by interferon regulatory factor 7 (Irf7), and specific inhibition of Irf7 significantly improved the symptoms of ALI.
conclusionsIrf7 transcriptionally activates the expression of Srg3, which can promote ferroptosis and activate classical activation phenotype (M1) macrophage polarization by regulating the NF-κB signaling pathway, thereby exacerbating the symptoms of septic lung injury.
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