ArticleArteriosclerosis, thrombosis, and vascular biology2019
HIMF (Hypoxia-Induced Mitogenic Factor) Signaling Mediates the HMGB1 (High Mobility Group Box 1)-Dependent Endothelial and Smooth Muscle Cell Crosstalk in Pulmonary Hypertension.
Article in Arteriosclerosis, thrombosis, and vascular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 53 citations in OpenAlex.
- The role of HMGB1 in vascular endothelial cells.Apoptosis : an international journal on programmed cell death · 2026Review
- Article
- HMGB1: a multifaceted mediator of cell death pathways in cardiovascular diseases.Apoptosis : an international journal on programmed cell death · 2025Review
- Vascular Remodeling: The Multicellular Mechanisms of Pulmonary Hypertension.International journal of molecular sciences · 2025Review
- S100 proteins as a key immunoregulatory mechanism for NLRP3 inflammasome.Frontiers in immunology · 2025Review
- Resistin predicts disease severity and survival in patients with pulmonary arterial hypertension.Respiratory research · 2024Article
- A hypothesis: Potential contributions of metals to the pathogenesis of pulmonary artery hypertension.Life sciences · 2024Review
- Adipokines in pulmonary hypertension: angels or demons?Heliyon · 2023Review
- [Quercetin improves pulmonary arterial hypertension in rats by regulating the HMGB1/RAGE/NF-κB pathway].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2023Article
- Resistin-like Molecule α and Pulmonary Vascular Remodeling: A Multi-Strain Murine Model of Antigen and Urban Ambient Particulate Matter Co-Exposure.International journal of molecular sciences · 2023Article
- HMGB1-induced activation of ER stress contributes to pulmonary artery hypertension in vitro and in vivo.Respiratory research · 2023Article
- Quantitative Proteomic and Phosphoproteomic Profiling of Lung Tissues from Pulmonary Arterial Hypertension Rat Model.International journal of molecular sciences · 2023Article
- The role of FOXO1-mediated autophagy in the regulation of bone formation.Cell cycle (Georgetown, Tex.) · 2023Article
- Endotyping COPD: hypoxia-inducible factor-2 as a molecular "switch" between the vascular and airway phenotypes?European respiratory review : an official journal of the European Respiratory Society · 2023Review
- Human Resistin Induces Cardiac Dysfunction in Pulmonary Hypertension.Journal of the American Heart Association · 2023Article
- Right Ventricular Dysfunction in Pulmonary Hypertension: Is Resistin a Promising Target?Journal of the American Heart Association · 2023Article
- Distinctive Signs of Disease as Deterrents for the Endothelial Function: A Systematic Review.Metabolites · 2023Review
- Resistin-like molecules: a marker, mediator and therapeutic target for multiple diseases.Cell communication and signaling : CCS · 2023Review
- Inflammation and immunity in the pathogenesis of hypoxic pulmonary hypertension.Frontiers in immunology · 2023Review
- Metallomics in pulmonary arterial hypertension patients.Pulmonary circulation · 2023Article
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
Abstract
objectiveHIMF (hypoxia-induced mitogenic factor; also known as FIZZ1 [found in inflammatory zone-1] or RELM [resistin-like molecule-α]) is an etiological factor of pulmonary hypertension (PH) in rodents, but its underlying mechanism is unclear. We investigated the immunomodulatory properties of HIMF signaling in PH pathogenesis. Approach and Results: Gene-modified mice that lacked HIMF (KO [knockout]) or overexpressed HIMF human homolog resistin (hResistin) were used for in vivo experiments. The pro-PH role of HIMF was verified in HIMF-KO mice exposed to chronic hypoxia or sugen/hypoxia. Mechanistically, HIMF/hResistin activation triggered the HMGB1 (high mobility group box 1) pathway and RAGE (receptor for advanced glycation end products) in pulmonary endothelial cells (ECs) of hypoxic mouse lungs in vivo and in human pulmonary microvascular ECs in vitro. Treatment with conditioned medium from hResistin-stimulated human pulmonary microvascular ECs induced an autophagic response, BMPR2 (bone morphogenetic protein receptor 2) defects, and subsequent apoptosis-resistant proliferation in human pulmonary artery (vascular) smooth muscle cells in an HMGB1-dependent manner. These effects were confirmed in ECs and smooth muscle cells isolated from pulmonary arteries of patients with idiopathic PH. HIMF/HMGB1/RAGE-mediated autophagy and BMPR2 impairment were also observed in pulmonary artery (vascular) smooth muscle cells of hypoxic mice, effects perhaps related to FoxO1 (forkhead box O1) dampening by HIMF. Experiments in EC-specific hResistin-overexpressing transgenic mice confirmed that EC-derived HMGB1 mediated the hResistin-driven pulmonary vascular remodeling and PH.
conclusionsIn HIMF-induced PH, HMGB1-RAGE signaling is pivotal for mediating EC-smooth muscle cell crosstalk. The humanized mouse data further support clinical implications for the HIMF/HMGB1 signaling axis and indicate that hResistin and its downstream pathway may constitute targets for the development of novel anti-PH therapeutics in humans.
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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.