ArticleJCI insight2024
IRF5 governs macrophage adventitial infiltration to fuel abdominal aortic aneurysm formation.
Article in JCI insight, 2024. 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, 11 citations in OpenAlex.
- The role of IRF5 as an immune regulator.Biochemical Society transactions · 2026Review
- NCOA4 Accelerates Abdominal Aortic Aneurysm Formation by Regulating Macrophage Activation and Ferroptosis via STAT1-CH25H Axis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Endothelial cells modulate immune cell responses during atherosclerosis.Trends in immunology · 2026Review
- An Extravascular Synergistic Cocktail Therapeutic Strategy Based on Lanifibranor Loaded Self-Healing Bioelastomer for Abdominal Aortic Aneurysms.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Mogroside V Alleviates Concanavalin A-induced Acute Liver Injury by Inhibiting Inflammatory Responses and M1 Macrophage Polarization.Inflammation · 2026Article
- Efferocytosis-associated Mrc1Frontiers in immunology · 2026Article
- TOPK Suppresses the CD8Cancer communications (London, England) · 2026Article
- A novel inositol phosphate metabolism signature predicts survival prognosis in low grade glioma.Discover oncology · 2025Article
- Myeloid Cells in Abdominal Aortic Aneurysm.Current atherosclerosis reports · 2025Review
- Microglia regulate myelin clearance and cholesterol metabolism after demyelination via interferon regulatory factor 5.Cellular and molecular life sciences : CMLS · 2025Article
- CaInflammation and regeneration · 2024Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abdominal aortic aneurysm (AAA) is a chronic inflammatory disease characterized by the expansion of the aortic wall. One of the most significant features is the infiltration of macrophages in the adventitia, which drives vasculature remodeling. The role of macrophage-derived interferon regulatory factor 5 (IRF5) in macrophage infiltration and AAA formation remains unknown. RNA sequencing of AAA adventitia identified Irf5 as the top significantly increased transcription factor that is predominantly expressed in macrophages. Global and myeloid cell-specific deficiency of Irf5 reduced AAA progression, with a marked reduction in macrophage infiltration. Further cellular investigations indicated that IRF5 promotes macrophage migration by direct regulation of downstream phosphoinositide 3-kinase γ (PI3Kγ, Pik3cg). Pik3cg ablation hindered AAA progression, and myeloid cell-specific salvage of Pik3cg restored AAA progression and macrophage infiltration derived from Irf5 deficiency. Finally, we found that IRF5 and PI3Kγ expression in the adventitia is significantly increased in patients with AAA. These findings reveal that the IRF5-dependent regulation of PI3Kγ is essential for AAA formation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.