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Specialty: Neurology
Source: Translational Stroke Research
Condition: Disability
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Total 50 results found since Jan 2013.
Clozapine-Induced Chemogenetic Neuromodulation Rescues Post-Stroke Deficits After Chronic Capsular Infarct
AbstractLong-term disabilities induced by stroke impose a heavy burden on patients, families, caregivers, and public health systems. Extensive studies have demonstrated the therapeutic value of neuromodulation in enhancing post-stroke recovery. Among them, chemogenetic neuromodulation activated by clozapine-N-oxide (CNO) has been proposed as the potential tool of neuromodulation. However, recent evidence showed that CNO does not cross the blood − brain barrier and may in fact have low binding affinity for chemogenetic tool. Thus, clozapine (CLZ) has been suggested for use in chemogenetic neuromodulation, in place of...
Source: Translational Stroke Research - June 29, 2023 Category: Neurology Source Type: research
Associations of Rheumatoid Factor, Rheumatoid Arthritis, and Interleukin-6 Inhibitor with the Prognosis of Ischemic Stroke: a Prospective Multicenter Cohort Study and Mendelian Randomization Analysis
AbstractRheumatoid factor (RF), an established diagnostic biomarker for rheumatoid arthritis (RA), is associated with cardiovascular diseases, but its impact on clinical outcomes of ischemic stroke remains unclear. We aimed to investigate the observational associations between serum RF and prognosis of ischemic stroke, and further examined the genetic associations of RA and its therapeutic strategy, interleukin-6 (IL-6) inhibitor, with prognosis of ischemic stroke. We measured serum RF levels in 3474 Chinese ischemic stroke patients from the China Antihypertensive Trial in Acute Ischemic Stroke. The primary outcome was the...
Source: Translational Stroke Research - May 31, 2023 Category: Neurology Source Type: research
The Involvement of Immune Cells Between Ischemic Stroke and Gut Microbiota
AbstractIschemic stroke, a disease with high mortality and disability rate worldwide, currently has no effective treatment. The systemic inflammation response to the ischemic stroke, followed by immunosuppression in focal neurologic deficits and other inflammatory damage, reduces the circulating immune cell counts and multiorgan infectious complications such as intestinal and gut dysfunction dysbiosis. Evidence showed that microbiota dysbiosis plays a role in neuroinflammation and peripheral immune response after stroke, changing the lymphocyte populations. Multiple immune cells, including lymphocytes, engage in complex an...
Source: Translational Stroke Research - May 4, 2023 Category: Neurology Source Type: research
Stem Cell Therapy for Ischemic Brain Injury: Early Intranasal Delivery after Cardiac Arrest
AbstractGlobal ischemic brain injury is the leading cause of mortality and long-term disability in patients resuscitated from cardiac arrest. Hypothermia and neuroprotective agents are two strategies partially improve neurological outcomes following resuscitation. However, the therapeutic effects of these treatments are inconsistently reported. Stem cell therapy has emerged as a promising pr otective strategy due to its potential for proliferation and differentiation into functional neural cells. This editorial reviews the current status of stem cell therapy via the intranasal route in primates and clinical studies, alo...
Source: Translational Stroke Research - April 4, 2023 Category: Neurology Source Type: research
Environmental Enrichment in Stroke Research: an Update
AbstractEnvironmental enrichment (EE) refers to different forms of stimulation, where the environment is designed to improve the levels of sensory, cognitive, and motor stimuli, inducing stroke recovery in animal models. Stroke is a leading cause of mortality and neurological disability among older adults, hence the importance of developing strategies to improve recovery for such patients. This review provides an update on recent findings, compiling information regarding the parameters affected by EE exposure in both preclinical and clinical studies. During stroke recovery, EE exposure has been shown to improve both the co...
Source: Translational Stroke Research - January 31, 2023 Category: Neurology Source Type: research
Spontaneous Behavioural Recovery Following Stroke Relates to the Integrity of Parietal and Temporal Regions
AbstractStroke is a devastating disease that results in neurological deficits and represents a leading cause of death and disability worldwide. Following a stroke, there is a degree of spontaneous recovery of function, the neural basis of which is of great interest among clinicians in their efforts to reduce disability following stroke and enhance rehabilitation. Conventionally, work on spontaneous recovery has tended to focus on the neural reorganization of motor cortical regions, with comparably little attention being paid to changes in non-motor regions and how these relate to recovery. Here we show, using structural ne...
Source: Translational Stroke Research - December 21, 2022 Category: Neurology Source Type: research
Recombinant Human Perlecan DV and Its LG3 Subdomain Are Neuroprotective and Acutely Functionally Restorative in Severe Experimental Ischemic Stroke
AbstractDespite recent therapeutic advancements, ischemic stroke remains a major cause of death and disability. It has been previously demonstrated that ~ 85-kDa recombinant human perlecan domain V (rhPDV) binds to upregulated integrin receptors (α2β1 and α5β1) associated with neuroprotective and functional improvements in various animal models of acute ischemic stroke. Recombinant human perlecan laminin-like globular domain 3 (rhPDVLG3), a 21-kDa C-terminal subdomain of rhPDV, has been demonstrated to more avidly bind to the α2β1 integrin receptor than its parent molecule and consequently was postulated to evok...
Source: Translational Stroke Research - December 12, 2022 Category: Neurology Source Type: research
Gut Microbiota in Ischemic Stroke: Role of Gut Bacteria-Derived Metabolites
AbstractIschemic stroke (IS) remains a leading cause of death and long-term disability globally. Several mechanisms including glutamate excitotoxicity, calcium overload, neuroinflammation, oxidative stress, mitochondrial damage, and apoptosis are known to be involved in the pathogenesis of IS, but the underlying pathophysiology mechanisms of IS are not fully clarified. During the past decade, gut microbiota were recognized as a key regulator to affect the health of the host either directly or via their metabolites. Recent studies indicate that gut bacterial dysbiosis is closely related to hypertension, diabetes, obesity, d...
Source: Translational Stroke Research - October 24, 2022 Category: Neurology Source Type: research
Translating Animal Models of Ischemic Stroke to the Human Condition
AbstractIschemic stroke is a leading cause of death and disability. However, very few neuroprotective agents have shown promise for treatment of ischemic stroke in clinical trials, despite showing efficacy in many successful preclinical studies. This may be attributed, at least in part, to the incongruency between experimental animal stroke models used in preclinical studies and the manifestation of ischemic stroke in humans. Most often the human population selected for clinical trials are more diverse than the experimental model used in a preclinical study. For successful translation, it is critical to develop clinical tr...
Source: Translational Stroke Research - September 20, 2022 Category: Neurology Source Type: research
LncRNAs: Promising Therapeutic Targets and Biomarkers for Ischemic Stroke
AbstractIschemic stroke is one of the leading causes of mortality and disability worldwide. Currently, options for ischemic stroke clinical therapy remain limited to intravenous thrombolysis and thrombectomy, which can only be applied to a minority of patients due to narrow therapeutic time window. Therefore, the discovery of new therapeutic targets and biomarkers is of great significance for ischemic stroke therapy. Long non-coding RNAs (lncRNAs) are the most extensive ncRNA transcripts and play critical roles in different kinds of diseases. Accumulative evidence suggests that lncRNAs are widely involved in multiple patho...
Source: Translational Stroke Research - June 13, 2022 Category: Neurology Source Type: research
Unpacking the Role of Extracellular Vesicles in Ischemic and Hemorrhagic Stroke: Pathophysiology and Therapeutic Implications
AbstractStroke is a leading cause of death and disability worldwide. Inflammation and microvascular dysfunction have been associated with brain injury and long-term disability after both ischemic and hemorrhagic stroke. Recent studies have suggested a potential role of extracellular vesicles (EVs) as a link underlying these pathogenic processes. EVs are cell-derived particles enveloped by a lipid bilayer, containing proteins, lipids, and nucleic acids. From a functional standpoint, EVs can facilitate intercellular communication, including across the blood –brain barrier (BBB). Recent advances in EV research have shown a ...
Source: Translational Stroke Research - May 6, 2022 Category: Neurology Source Type: research
Microstructural Gray Matter Integrity Deteriorates After an Ischemic Stroke and Is Associated with Processing Speed
AbstractMicrostructural changes after an ischemic stroke (IS) have mainly been described in white matter. Data evaluating microstructural changes in gray matter (GM) remain scarce. The aim of the present study was to evaluate the integrity of GM on longitudinal data using mean diffusivity (MD), and its influence on post-IS cognitive performances. A prospective study was conducted, including supra-tentorial IS patients without pre-stroke disability. A cognitive assessment was performed at baseline and 1 year, including a Montreal Cognitive Assessment, an Isaacs set test, and a Zazzo cancelation task (ZCT): completion time...
Source: Translational Stroke Research - April 18, 2022 Category: Neurology Source Type: research
Changes in Cerebral Blood Flow and Diffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage
AbstractIntracerebral hemorrhage (ICH) is a common subtype of stroke and places a great burden on the family and society with a high mortality and disability rate and a poor prognosis. Many findings from imaging and pathologic studies have suggested that cerebral ischemic lesions visualized on diffusion-weighted imaging (DWI) in patients with ICH are not rare and are generally considered to be associated with poor outcome, increased risk of recurrent (ischemic and hemorrhagic) stroke, cognitive impairment, and death. In this review, we describe the changes in cerebral blood flow (CBF) and DWI lesions after ICH and discuss ...
Source: Translational Stroke Research - March 19, 2022 Category: Neurology Source Type: research
Beneficial Effect of Sodium Nitrite on EEG Ischaemic Markers in Patients with Subarachnoid Haemorrhage
AbstractSubarachnoid haemorrhage (SAH) is associated with long-term disability, serious reduction in quality of life and significant mortality. Early brain injury (EBI) refers to the pathological changes in cerebral metabolism and blood flow that happen in the first few days after ictus and may lead on to delayed cerebral ischaemia (DCI). A disruption of the nitric oxide (NO) pathway is hypothesised as a key mechanism underlying EBI. A decrease in the alpha-delta power ratio (ADR) of the electroencephalogram has been related to cerebral ischaemia. In an experimental medicine study, we tested the hypothesis that intravenous...
Source: Translational Stroke Research - March 14, 2022 Category: Neurology Source Type: research
Recycled Translation: Repurposing Drugs for Stroke
AbstractStroke, which continues to be a leading cause of death and long-term disability worldwide, has often been described as a clinical graveyard. While multiple small molecule therapeutics have undergone clinical trials in stroke, currently only one Food and Drug Administration (FDA)-approved medication exists for the treatment of stroke, the biological, recombinant tissue plasminogen activator (rt-PA). Repurposing of therapeutics which have previously gained FDA approval for alternative indications serves as a prospective option for stroke therapeutic translation. In contrast to de novo drug development, repurposing st...
Source: Translational Stroke Research - February 26, 2022 Category: Neurology Source Type: research
