ArticleThe Journal of clinical investigation2025
Macrophages: key conductors behind perivascular inflammation and vascular remodeling in hypoxia-induced pulmonary hypertension.
Article in The Journal of clinical investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- R213G-Mediated Redistribution of EC-SOD Protects Against Sugen-Hypoxia Pulmonary Hypertension in Mice.Pulmonary circulation · 2026Article
- Article
- Olink Proteomics Reveals CCL2 Aggravates Perihematomal Edema After Intracerebral Hemorrhage in High-Altitude Migrants Via CCR2/NF-κB-Mediated Blood-Brain Barrier Disruption.CNS neuroscience & therapeutics · 2026Article
- The Role of Exosomes in Pulmonary Hypertension: Mechanisms and Therapeutic Potential.International journal of nanomedicine · 2026Review
- Machine learning-based integration develops an immune-derived signature for diagnosing high-altitude pulmonary hypertension.Frontiers in medicine · 2025Article
- Case Report: High altitude, young lives: unmasking pulmonary hypertension in two unique cases.Frontiers in medicine · 2025Article
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Authors and funding
1 author.
Funding
Abstract
Pulmonary hypertension (PH) encompasses a heterogenous group of disorders with the common feature of increased pulmonary arterial pressures. Patients with PH associated with lung disease and/or hypoxia undergo immune-mediated vascular remodeling that includes thickening of the muscular layer surrounding arteries and arterioles. In this issue of the JCI, Kumar and colleagues examined the role of interstitial macrophages in a model of high-altitude PH. Resident interstitial macrophages increased, proliferated, and expressed CCL2, a monocyte chemoattractant ligand. There was also a rise in CCR2+ macrophages expressing thrombospondin-1, which is known to activate vascular remodeling through TGF-β. Blocking monocyte recruitment partially reduced hypoxic PH, and corticosteroid treatment effectively reduced CCL2 expression and CCR2+ monocyte recruitment. Further, plasma samples collected from individuals ascending from low to high altitudes showed increased thrombospondin-1 and TGF-β levels, which were reduced with dexamethasone. These findings reveal interstitial macrophage populations as potential therapeutic targets in hypoxic PH.
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