ArticleNeurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics2021
Upregulation of AQP4 Improves Blood-Brain Barrier Integrity and Perihematomal Edema Following Intracerebral Hemorrhage.
Article in Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 1 of them a synthesis that pooled it.
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Who cites it
46 citing papers in PubMed, 1 synthesis or guideline pooled it, 75 citations in OpenAlex.
- The association between perihaematomal oedema and functional outcome after spontaneous intracerebral haemorrhage: A systematic review and meta-analysis.European stroke journal · 2023Pooled it
- Multimodal MR Imaging Reveals the Mechanisms of Post-Cardiac-Arrest Brain edema: Ferroptosis-Mediated BBB Disruption and AQP4 Dysfunction.Journal of magnetic resonance imaging : JMRI · 2026Article
- Endothelial YAP Signaling Promotes Blood-Spinal Cord Barrier Repair in Mice After Spinal Cord Injury.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Glymphatic system impairment in neurological disorders: potential mechanisms and therapeutic targets.Molecular biomedicine · 2026Review
- Blood vessel-associated inflammatory microglia and astrocytes are associated with molecular and cellular markers of blood-brain barrier permeability in neonatal mice infected with the respiratory pathogen Bordetella pertussis.Journal of neuroinflammation · 2026Article
- Arrested hydrocephalus and beyond: advances in the pathophysiology, diagnosis, and management of various forms of chronic hydrocephalus: a comprehensive narrative review.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2026Review
- Astrocyte-blood-brain barrier crosstalk in cerebral small vessel disease: linking barrier dysfunction to neurovascular failure.Frontiers in neurology · 2026Review
- Increased neurotoxic gliosis and blood-brain barrier dysregulation in canine cognitive dysfunction syndrome (CCD).Frontiers in aging · 2026Article
- Oxymatrine alleviates symptoms in high-fat diet and STZ-induced SD rats with painful diabetic neuropathy by reducing inflammation and oxidative stress.Frontiers in immunology · 2026Article
- Mitochondrial dysfunction in intracerebral hemorrhage: molecular mechanisms and pathological consequences.Frontiers in cellular neuroscience · 2026Review
- The Role of Blood-Brain Barrier Disruption in Epilepsy: Mechanisms and Consequences.Neurology international · 2025Review
- The Fluidic Connectome in Brain Disease: Integrating Aquaporin-4 Polarity with Multisystem Pathways in Neurodegeneration.International journal of molecular sciences · 2025Review
- The TREM1-AQP4 axis mediates neuroinflammatory injury and brain edema after experimental subarachnoid hemorrhage.European journal of medical research · 2025Article
- Aquaporins in Acute Brain Injury: Insights from Clinical and Experimental Studies.Biomedicines · 2025Review
- Recent progress on nanotechnologies for enhancing blood-brain barrier permeability.Smart molecules : open access · 2025Review
- BBB proteomic analysis reveals that complex febrile seizures in infancy enhance susceptibility to epilepsy in adulthood through dysregulation of ECM-receptor interaction signaling pathway.Fluids and barriers of the CNS · 2025Article
- Reactive astrocyte-derived exosomes enhance intracranial lymphatic drainage in mice after intracranial hemorrhage.Fluids and barriers of the CNS · 2025Article
- Cannabinoid Receptors Reduced Early Brain Damage by Regulating NOX-2 and the NLRP3 Inflammasome in an Animal Model of Intracerebral Hemorrhage.CNS neuroscience & therapeutics · 2025Article
- Melatonin Regulates Glymphatic Function to Affect Cognitive Deficits, Behavioral Issues, and Blood-Brain Barrier Damage in Mice After Intracerebral Hemorrhage: Potential Links to Circadian Rhythms.CNS neuroscience & therapeutics · 2025Article
- New targets in spontaneous intracerebral hemorrhage.Current opinion in neurology · 2025Review
Corrections and comments
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In intracerebral hemorrhage (ICH), delayed secondary neural damages largely occur from perihematomal edema (PHE) resulting from the disruption of the blood-brain barrier (BBB). PHE is often considered the principal cause of morbidity and mortality in patients with ICH. Nevertheless, the main cellular mechanism as well as the specific BBB component involved in the formation of PHE after ICH remains elusive. Herein, we evaluated the role of AQP4, a water channel expressed on the astrocytes of the BBB, in the formation of PHE in ICH. The static and dynamic functions of the BBB were evaluated by analyzing the microstructure and leakage assay. Protein changes in the PHE lesion were analyzed and the control mechanism of AQP4 expression by reactive oxygen species was also investigated. Delayed PHE formation due to BBB disruption after ICH was confirmed by the decreased coverage of multiple BBB components and increased dynamic leakages. Microstructure assay showed that among the BBB components, AQP4 showed a markedly decreased expression in the PHE lesions. The decrease in AQP4 was due to microenvironmental ROS derived from the hemorrhage and was restored by treatment with ROS scavenger. AQP4-deficient mice had significantly larger PHE lesions and unfavorable survival outcomes compared with wild-type mice. Our data identify AQP4 as a specific BBB-modulating target for alleviating PHE in ICH. Further comprehensive studies are needed to form the preclinical basis for the use of AQP4 enhancers as BBB modulators for preventing delayed cerebral edema after ICH.
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