ArticleScientific reports2019
Synergistic Role of Oxidative Stress and Blood-Brain Barrier Permeability as Injury Mechanisms in the Acute Pathophysiology of Blast-induced Neurotrauma.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 88 citations in OpenAlex.
- PDE5 inhibition restores mitochondrial function and improves neurobehavioral outcomes after repeated mild blast TBI.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026Article
- Primary Blast-Induced Traumatic Brain Injury as a Risk Factor for (Cerebro)vascular Disorder: Clinical Manifestations, Blast Physics, Biomechanics, Pathobiology, and Critical Gaps.International journal of molecular sciences · 2026Review
- EndMT in vascular cognitive impairment and dementia: mechanisms, evidence gaps, and therapeutic opportunities.Molecular medicine (Cambridge, Mass.) · 2026Review
- Hemodynamic rescue after blast injury: intravenous administration outperforms intramuscular vasopressin in a swine model.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2026Article
- Nox1-Derived ROS Amplifies Calcium Entry and Enhances Pneumolysin-Induced Lung Endothelial Barrier Dysfunction in Hyperglycemia.Antioxidants (Basel, Switzerland) · 2026Article
- The Dynamics of Neuroinflammation in Traumatic Brain Injury: Molecular Markers Useful for Establishing the Post-Traumatic Interval in Forensic Practice.International journal of molecular sciences · 2026Review
- Integrated Blood Biomarker and Neurobehavioural Signatures of Latent Neuroinjury in Experienced Military Breachers Exposed to Repetitive Low-Intensity Blast.International journal of molecular sciences · 2026Article
- The GPR68-NINJ1 axis: an emerging mechano-chemical checkpoint in blood-brain barrier disruption-a hypothetical framework and therapeutic promise.Frontiers in cellular neuroscience · 2026Article
- Impact of Residential Noise Exposure on Neurological Health: A Systematic Scoping Review.Journal of urban health : bulletin of the New York Academy of Medicine · 2025Article
- Chronic Exposure to Microplastics Induces Blood-Brain Barrier Impairment, Oxidative Stress, and Neuronal Damage in Rats.Molecular neurobiology · 2025Article
- Organophosphate Chemical Nerve Agents, Oxidative Stress, and NADPH Oxidase Inhibitors: An Overview.International journal of molecular sciences · 2025Review
- Sex and Genotype Affect Mouse Hippocampal Gene Expression in Response to Blast-Induced Traumatic Brain Injury.Molecular neurobiology · 2025Article
- Oxysterol-Induced Inflammation in Human Diseases: Strategies for Treatment with Natural Compounds and Synthetic Molecules.Molecules (Basel, Switzerland) · 2025Review
- Effects of iron accumulation and its chelation on oxidative stress in intracortical implants.Acta biomaterialia · 2025Article
- Stem Cell Therapy Modulates Molecular Cues of Vasogenic Edema Following Ischemic Stroke: Role of Sirtuin-1 in Regulating Aquaporin-4 Expression.Stem cell reviews and reports · 2025Article
- Mild Blast Exposure Dysregulates Metabolic Pathways and Correlation Networking as Evident from LC-MS-Based Plasma Profiling.Molecular neurobiology · 2025Article
- Repetitive Low-Level Blast Exposure Alters Circulating Myeloperoxidase, Matrix Metalloproteinases, and Neurovascular Endothelial Molecules in Experienced Military Breachers.International journal of molecular sciences · 2025Article
- Mitochondrial-targeted therapies in traumatic brain injury: From bench to bedside.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025Review
- Case Report and Literature Review: A Severe Case of Blast-Related Traumatic Brain Injury.Asian journal of neurosurgery · 2024Article
- Structural Features Influencing the Bioactive Conformation of Angiotensin II and Angiotensin A: Relationship between Receptor Desensitization, Addiction, and the Blood-Brain Barrier.International journal of molecular sciences · 2024Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Blast-induced traumatic brain injury (bTBI) has been recognized as the common mode of neurotrauma amongst military and civilian personnel due to an increased insurgent activity domestically and abroad. Previous studies from our laboratory have identified enhanced blood-brain barrier (BBB) permeability as a significant, sub-acute (four hours post-blast) pathological change in bTBI. We also found that NADPH oxidase (NOX)-mediated oxidative stress occurs at the same time post-blast when the BBB permeability changes. We therefore hypothesized that oxidative stress is a major causative factor in the BBB breakdown in the sub-acute stages. This work therefore examined the role of NOX1 and its downstream effects on BBB permeability in the frontal cortex (a region previously shown to be the most vulnerable) immediately and four hours post-blast exposure. Rats were injured by primary blast waves in a compressed gas-driven shock tube at 180 kPa and the BBB integrity was assessed by extravasation of Evans blue and changes in tight junction proteins (TJPs) as well as translocation of macromolecules from blood to brain and vice versa. NOX1 abundance was also assessed in neurovascular endothelial cells. Blast injury resulted in increased extravasation and reduced levels of TJPs in tissues consistent with our previous observations. NOX1 levels were significantly increased in endothelial cells followed by increased superoxide production within 4 hours of blast. Blast injury also increased the levels/activation of matrix metalloproteinase 3 and 9. To test the role of oxidative stress, rats were administered apocynin, which is known to inhibit the assembly of NOX subunits and arrests its function. We found apocynin completely inhibited dye extravasation as well as restored TJP levels to that of controls and reduced matrix metalloproteinase activation in the sub-acute stages following blast. Together these data strongly suggest that NOX-mediated oxidative stress contributes to enhanced BBB permeability in bTBI through a pathway involving increased matrix metalloproteinase activation.
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