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Total 371 results found since Jan 2013.

Inducible Prostaglandin E Synthase as a Pharmacological Target for Ischemic Stroke
In this study, blockade of mPGES-1 by our several novel compounds abolished the lipopolysaccharide (LPS)-induced PGE2 and pro-inflammatory cytokines interleukin 1 β (IL-1β), IL-6, and tumor necrosis factor α (TNF-α) in mouse primary brain microglia. Inhibition of mPGES-1 also decreased PGE2 produced by neuronal cells under oxygen –glucose deprivation (OGD) stress. Among the five enzymes for PGE2 biosynthesis, mPGES-1 was the most induced one in cerebral ischemic lesions. Systemic treatment with our lead compound MPO-0063 (5 or 10  mg/kg, i.p.) in mice after transient middle cerebral artery occlusion (MCAO) improved ...
Source: Neurotherapeutics - January 31, 2022 Category: Neurology Source Type: research

ADAMTS9-AS2 Promotes Angiogenesis of Brain Microvascular Endothelial Cells Through Regulating miR-185-5p/IGFBP-2 Axis in Ischemic Stroke
AbstractIschemic stroke is a common disease threatening human health. ADAMTS9-AS2 is a lncRNA that has been widely studied in tumors, but not in ischemic stroke. The purpose of this study was to investigate the role and potential molecular mechanism of ADAMTS9-AS2 in endothelial cell function after ischemic stroke in vivo and in vitro. The results showed that ADAMTS9-AS2 was decreased in the plasma of acute ischemic stroke (AIS) patients and in the brain tissue and plasma of MCAO mice, and the low expression of ADAMTS9-AS2 was associated with the increase in infarct size. Besides, compared with the control group, MCAO trea...
Source: Molecular Neurobiology - January 31, 2022 Category: Neurology Source Type: research

Inducible Prostaglandin E Synthase as a Pharmacological Target for Ischemic Stroke
In this study, blockade of mPGES-1 by our several novel compounds abolished the lipopolysaccharide (LPS)-induced PGE2 and pro-inflammatory cytokines interleukin 1 β (IL-1β), IL-6, and tumor necrosis factor α (TNF-α) in mouse primary brain microglia. Inhibition of mPGES-1 also decreased PGE2 produced by neuronal cells under oxygen –glucose deprivation (OGD) stress. Among the five enzymes for PGE2 biosynthesis, mPGES-1 was the most induced one in cerebral ischemic lesions. Systemic treatment with our lead compound MPO-0063 (5 or 10  mg/kg, i.p.) in mice after transient middle cerebral artery occlusion (MCAO) improved ...
Source: Neurotherapeutics - January 31, 2022 Category: Neurology Source Type: research

Neuroprotective effect of herniarin following transient focal cerebral ischemia in rats
AbstractIschemic stroke is a devastating central nervous disease. Despite extensive research in to this area, few innovative neuroprotective treatments have been presented. 7-methoxycoumarin, also known as herniarin, is a common natural coumarin in several plant species. This project examined the effects of the herniarin in rats subjected to the middle cerebral artery occlusion (MCAO). Herniarin at doses of 10 and 20  mg/kg was administered through intraperitoneal injection for 7 days before MCAO induction. Rats were subjected to a 30 min MCAO and a subsequent 24 h’ reperfusion. 24 h after the termination of MCAO, n...
Source: Metabolic Brain Disease - November 15, 2021 Category: Neurology Source Type: research

Evolution of Blood-Brain Barrier Permeability in Subacute Ischemic Stroke and Associations With Serum Biomarkers and Functional Outcome
Conclusion: In patients with moderate-to-severe subacute stroke, three out of four patients demonstrated increased BBB permeability, which decreased over time. The presence of increased BBBP was associated with larger lesion volumes and more severe strokes. We could not detect an association between selected serum biomarkers of inflammation and an increased BBBP in this cohort. No clear association with favorable functional outcome was observed.Trial registration: NCT01954797.
Source: Frontiers in Neurology - October 20, 2021 Category: Neurology Source Type: research

Ferrostatin-1 Alleviates White Matter Injury Via Decreasing Ferroptosis Following Spinal Cord Injury
AbstractSpinal cord injury (SCI), a devastating neurological impairment, usually imposes a long-term psychological stress and high socioeconomic burden for the sufferers and their family. Recent researchers have paid arousing attention to white matter injury and the underlying mechanism following SCI. Ferroptosis has been revealed to be associated with diverse diseases including stroke, cancer, and kidney degeneration. Ferrostatin-1, a potent inhibitor of ferroptosis, has been illustrated to curb ferroptosis in neurons, subsequently improving functional recovery after traumatic brain injury (TBI) and SCI. However, the role...
Source: Molecular Neurobiology - October 12, 2021 Category: Neurology Source Type: research

Nurses: The Missing Link in Continuous EEG Monitoring?
The past decade has been marked by the advent of continuous EEG (cEEG) monitoring, which is now recommended as the standard of care in numerous medical conditions seen in the neurologic intensive care unit (ICU).1,2 In clinical practice, its main indications are seizure detection, treatment monitoring, and prognostication in various conditions such as seizures/status epilepticus, ischemic stroke, subarachnoid hemorrhage, intracerebral hemorrhage, traumatic brain injury, brain tumor, encephalitis/sepsis-associated encephalopathy, extracorporeal membrane oxygenation, targeted temperature management, and cardiac arrest.2,3
Source: Neurology Clinical Practice - October 11, 2021 Category: Neurology Authors: Jacq, G., Legriel, S. Tags: Practice Current, EEG Editorial Source Type: research

Compound 21, a Direct AT2R Agonist, Induces IL-10 and Inhibits Inflammation in Mice Following Traumatic Brain Injury
AbstractRecent studies demonstrated that the angiotensin type 2 receptor (AT2R) agonist, compound 21 (C21), provides neuroprotection and enhances recovery in experimental stroke. However, C21 has never been tested in traumatic brain injury (TBI). Here, we aim to examine whether C21 confers protection after TBI. Unilateral cortical impact injury was induced in young adult C57BL/6 mice. C21 (0.03  mg/kg, i.p.) was administered at 1 h and 3 h post-TBI. After neurological severity score (NSS) assessments, all animals were sacrificed for immunoblotting analysis at 24 h post-TBI. C21 treatment significantly ameliorated NSS a...
Source: NeuroMolecular Medicine - September 20, 2021 Category: Neurology Source Type: research

Incidence, prevalence and disability associated with neurological disorders in Italy between 1990 and 2019: an analysis based on the Global Burden of Disease Study 2019
ConclusionsThe increase in YLDs associated with neurological conditions is mostly due to population ageing and growth: nevertheless, lived disability and, as a consequence, impact on health systems has increased. Actions are needed to improve outcome and mitigate disability associated with neurological conditions, spanning among diagnosis, treatment, care pathways and workplace interventions.
Source: Journal of Neurology - September 8, 2021 Category: Neurology Source Type: research

Protective effects of Dimethyl malonate on neuroinflammation and blood-brain barrier after ischemic stroke
Conclusions DMM could regulate activation and polarization of microglia to inhibit neuroinflammation and protect BBB.
Source: NeuroReport - September 3, 2021 Category: Neurology Tags: Degeneration and Repair Source Type: research

Inhibition of immunoproteasome subunit low molecular mass polypeptide 7 with ONX-0914 improves hypoxic-ischemic brain damage via PI3K/Akt signaling
This study explored these issues in a rat model of HIBD. Pathology was evaluated using hematoxylin-eosin staining. LMP7 expression was detected using western blot analysis, reverse transcription-quantitative PCR (RT-qPCR), and immunohistochemical staining. The presence of proinflammatory cytokines, including tumor necrosis factor-a, interleukin-6, and interleukin-1β, was tested using ELISA and RT-qPCR. Behavioral performance was evaluated using a short-term neurological function score and the Morris water maze test. Compared to those in the Sham group, the HIBD group exhibited obvious upregulated LMP7 and pro-inflammatory...
Source: NeuroReport - September 3, 2021 Category: Neurology Tags: Cellular, Molecular and Developmental Neuroscience Source Type: research

Long Non-coding RNA PVT1 Inhibits miR-30c-5p to Upregulate Rock2 to Modulate Cerebral Ischemia/Reperfusion Injury Through MAPK Signaling Pathway Activation
AbstractLong non-coding RNAs (lncRNAs) play a key role in a variety of disease processes. Plasmacytoma variant translocation 1 (PVT1), a lncRNA, is known to regulate cell functions and play a key role in the pathogenesis of many malignant tumors. The function and molecular mechanisms of lncRNA-PVT1 in cerebral ischemia remain unknown. Real-time PCR (qRT-PCR) was used to detect lncRNA-PVT1 and microRNA-30c-5p (miR-30c-5p) expression in the brain tissues of mice underwent middle cerebral artery occlusion/reperfusion (MCAO/R) and oxygen –glucose deprivation/reperfusion (OGD/R)-treated mouse primary brain neurons. Gain- or l...
Source: Molecular Neurobiology - August 26, 2021 Category: Neurology Source Type: research

Assessing the Evolution of Intracranial Hematomas by using Animal Models: A Review of the Progress and the Challenges
AbstractStroke has become the second leading cause of death in people aged higher than 60  years, with cancer being the first. Intracerebral hemorrhage (ICH) is the most lethal type of stroke. Using imaging techniques to evaluate the evolution of intracranial hematomas in patients with hemorrhagic stroke is worthy of ongoing research. The difficulty in obtaining ultra-early imaging data and conducting intensive dynamic radiographic imaging in actual clinical settings has led to the application of experimental animal models to assess the evolution of intracranial hematomas. Herein, we review the current knowledge on primar...
Source: Metabolic Brain Disease - August 21, 2021 Category: Neurology Source Type: research