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Vascular HIF2 Signaling Prevents Cardiomegaly, Alveolar Congestion, and Capillary Remodeling During Chronic Hypoxia.
Arterioscler Thromb Vasc Biol
January 2025
Metabolic and Immune Diseases Department, Biomedical Research Institute Sols-Morreale (IIBM), National Research Council (CSIC), Autonoma University of Madrid, Spain (T.A.-G., S.M.-T., R.C.-M., S.U.-B., S.M.-P.).
Background: Hypoxia is associated with the onset of cardiovascular diseases including cardiac hypertrophy and pulmonary hypertension. HIF2 (hypoxia-inducible factor 2) signaling in the endothelium mediates pulmonary arterial remodeling and subsequent elevation of the right ventricular systolic pressure during chronic hypoxia. Thus, novel therapeutic opportunities for pulmonary hypertension based on specific HIF2 inhibitors have been proposed.
View Article and Find Full Text PDFEngineered Neutrophil Nanovesicles for Inhibiting Corneal Neovascularization by Synergistic Anti-Inflammatory, Anti-VEGF, and Chemoexcited Photodynamic Therapy.
Adv Mater
January 2025
State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China.
Corneal neovascularization (CorNV) develops under various pathological conditions and is one of the main causes of blindness. Due to that CorNV progression involves multiple steps, anti-vascular endothelial growth factor (VEGF) drugs alone could not sufficiently suppress this process, highlighting an urgent need for an efficient delivery system for the multi-step management of CorNV. In this study, a neutrophil nanovesicle-based eye drop (NCCR) is developed for CorNV therapy that simultaneously inhibits angiogenesis and inflammation, while eliminating pathological cells through chemoexcited photodynamic therapy (PDT).
View Article and Find Full Text PDFUnraveling the transcriptomic landscape of brain vascular cells in dementia: A systematic review.
Alzheimers Dement
January 2025
UK Dementia Research Institute at the University of Edinburgh, Edinburgh, UK.
Introduction: Cerebrovascular dysfunction plays a critical role in the pathogenesis of dementia and related neurodegenerative disorders. Recent omics-driven research has revealed associations between vascular abnormalities and transcriptomic alterations in brain vascular cells, particularly endothelial cells (ECs) and pericytes (PCs). However, the impact of these molecular changes on dementia remains unclear.
View Article and Find Full Text PDFPericytes in Glioblastoma: Hidden Regulators of Tumor Vasculature and Therapy Resistance.
Cancers (Basel)
December 2024
Research Group on Tumors of the Central Nervous System, Pathology Department, University of Valencia, 46010 Valencia, Spain.
Glioblastoma IDH wild type (GB), the most common malignant primary brain tumor, is characterized by rapid proliferation, extensive infiltration into surrounding brain tissue, and significant resistance to current therapies. Median survival is only 15 months despite extensive clinical efforts. The tumor microenvironment (TME) in GB is highly specialized, supporting the tumor's aggressive behavior and its ability to evade conventional treatments.
View Article and Find Full Text PDFComprehensive analysis of scRNA-seq and bulk RNA-seq reveals the non-cardiomyocytes heterogeneity and novel cell populations in dilated cardiomyopathy.
J Transl Med
January 2025
State Key Laboratory of Cardiovascular Diseases and Medical Innovation Center, School of Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200120, China.
Background: Dilated cardiomyopathy (DCM) is one of the most common causes of heart failure. Infiltration and alterations in non-cardiomyocytes of the human heart involve crucially in the occurrence of DCM and associated immunotherapeutic approaches.
Methods: We constructed a single-cell transcriptional atlas of DCM and normal patients.
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