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Source: Translational Stroke Research
Condition: Ischemic Stroke
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Total 404 results found since Jan 2013.
Prognostic Value of Venous Outflow Profiles on Multiphase CT Angiography for the Patients with Acute Ischemic Stroke After Endovascular Thrombectomy
This study supports that favorable peak venous VO profiles on mCTA might be a promising biomarker in predicting the good outcome in patients with AIS after EVT.
Source: Translational Stroke Research - September 5, 2023 Category: Neurology Source Type: research
Acetylation of p53 in the Cerebral Cortex after Photothrombotic Stroke
Abstractp53 expression and acetylation are crucial for the survival and death of neurons in penumbra. At the same time, the outcome of ischemia for penumbra cells depends largely on the histone acetylation status, but the effect of histone acetyltransferases and deacetylases on non-histone proteins like p53 is largely understudied. With combined in silico and in vitro approach, we have identified enzymes capable of acetylation/deacetylation, distribution, stability, and pro-apoptotic activity of p53 in ischemic penumbra in the course of post-stroke recovery, and also detected involved loci of acetylation in p53. The dynami...
Source: Translational Stroke Research - August 15, 2023 Category: Neurology Source Type: research
Application of Nanozymes and its Progress in the Treatment of Ischemic Stroke
AbstractNanozymes are a new kind of material which has been applied since the beginning of this century, and its birth has promoted the development of chemistry, materials science, and biology. Nanozymes can be used as a substitute for natural enzyme and has a wide range of applications; therefore, it has attracted extensive attention from all sectors of the community, and the number of studies has constantly increasing. In this paper, we introduced the outstanding achievements in the field of nanozymes in recent years from the main function, the construction of nanozyme-based biosensors, and the treatment of ischemic stro...
Source: Translational Stroke Research - August 9, 2023 Category: Neurology Source Type: research
Use of Tirofiban to Prevent Ischemic Events in Patients with CYP2C19 Loss-of-Function Alleles during Flow Diversion of Intracranial Aneurysm: A Multicenter Cohort Study
This study supports CYP2C19 genotyping before flow diversion because LOF alleles increase the risk of ischemic events. Prophylactic use of tirofiban may help reduce ischemic events in LOF allele carriers.
Source: Translational Stroke Research - July 31, 2023 Category: Neurology Source Type: research
TRPC Channels Activated by G Protein-Coupled Receptors Drive Ca2+ Dysregulation Leading to Secondary Brain Injury in the Mouse Model
AbstractCanonical transient receptor potential (TRPC) non-selective cation channels, particularly those assembled with TRPC3, TRPC6, and TRPC7 subunits, are coupled to Gαq-type G protein-coupled receptors for the major classes of excitatory neurotransmitters. Sustained activation of this TRPC channel-based pathophysiological signaling hub in neurons and glia likely contributes to prodigious excitotoxicity-driven secondary brain injury expansion. This was investigated in mouse models with selectiveTrpc gene knockout (KO). In adult cerebellar brain slices, application of glutamate and the class I metabotropic glutamate rece...
Source: Translational Stroke Research - July 18, 2023 Category: Neurology Source Type: research
The Effect of the ABCB1(MDR-1) C3435T Polymorphism in Turkish Patients with Aspirin Resistance in Acute Ischemic Stroke
This study aimed to investigate the rate of AR, the factors influencing AR in patients with acute ischemic stroke under regular aspirin use, and the relationship between AR and ABCB1 (MDR-1) C3435T (rs1045642) polymorphism. Throughout this multicenter prospective study, 174 patients with acute ischemic stroke who had been prescribed aspirin for at least one month due to the risk of vascular disease, along with 106 healthy volunteers, were included as part of the study group. The results of our study indicate that AR was detected in 21.3% of the patient group. According to the results of an analysis of the polymorphism of t...
Source: Translational Stroke Research - July 11, 2023 Category: Neurology Source Type: research
Neuroprotection of Stem Cells Against Ischemic Brain Injury: From Bench to Clinic
AbstractNeurological injuries can have numerous debilitating effects on functional status including sensorimotor deficits, cognitive impairment, and behavioral symptoms. Despite the disease burden, treatment options remain limited. Current pharmacological interventions are targeted at symptom management but are ineffective in reversing ischemic brain damage. Stem cell therapy for ischemic brain injury has shown promising preclinical and clinical results and has attracted attention as a potential therapeutic option. Various stem cell sources (embryonic, mesenchymal/bone marrow, and neural stem cells) have been investigat...
Source: Translational Stroke Research - July 7, 2023 Category: Neurology Source Type: research
MicroRNA-193a-5p Rescues Ischemic Cerebral Injury by Restoring N2-Like Neutrophil Subsets
In conclusion, miR-193a-5p protects against cerebral ischemic injury by restoring neutrophil N2 phenotype-associated neuroinflammation suppr ession, likely, in part, via UBE2V2 induction.
Source: Translational Stroke Research - June 29, 2023 Category: Neurology Source Type: research
Clinical Significance and Influencing Factors of Microvascular Tissue Reperfusion After Macrovascular Recanalization
In this study, we aimed to investigate the impact of tissue optimal reperfusion (TOR) and its influencing factors. From December 1, 2020 to December 1, 2021, AIS patients with successful recanalization (modified Thrombolysis in Cerebral Infarction score [mTICI] ≥ 2b) after mechanical thrombectomy (MT) were retrospectively reviewed. Computed tomography perfusion was performed before and after MT. Successful reperfusion was assessed by TOR, defined as > 90% reduction of the Tmax > 6 s lesion volumes between baseline and early follow-up perfusion profiles. The impact of TOR on functional outcomes after...
Source: Translational Stroke Research - June 29, 2023 Category: Neurology Source Type: research
Aspirin and Subarachnoid Haemorrhage in the UK Biobank
In this study, we aimed to clarify the association between aspirin and SAH in the general population. The UK Biobank is a prospective population-based cohort study. Sex, age, smoking, alcohol, medication use, hypertension, blood pressure, ischaemic heart disease and stroke were recorded at baseline assessments. Follow-up is conducted through linkages to National Health Service data including electronic, coded death certificate, hospital and primary care data. Cox proportional hazards modelling was used to analyse the association between aspirin use and SAH. Of the 501,060 participants included in the analysis, a total of 5...
Source: Translational Stroke Research - June 29, 2023 Category: Neurology Source Type: research
Assessment of Irreversible Tissue Injury in Extensive Ischemic Stroke —Potential of Quantitative Cerebral Perfusion
AbstractComputed tomography perfusion (CTP) is used as a tool to select ischemic stroke patients for endovascular treatment (EVT) and is currently investigated in the setting of extensive stroke with low Alberta Stroke Program Early CT scores (ASPECTS). The purpose of this study was to perform a comprehensive quantitative analysis of cerebral blood flow within the ischemic lesion compared to threshold-derived core lesion volumes. We hypothesized that the degree of cerebral blood volume (CBV) reduction within the ischemic lesion is predictive of irreversible tissue injury and functional outcome in patients with low ASPECTS....
Source: Translational Stroke Research - June 29, 2023 Category: Neurology Source Type: research
Brain-Targeting Emodin Mitigates Ischemic Stroke via Inhibiting AQP4-Mediated Swelling and Neuroinflammation
In this study, we aimed to achieve brain-targeted delivery of emodin to maximize its therapeutic efficacy and elucidate the mechanisms by which emodin alleviates ischemic stroke. A polyethylene glycol (PEG)/cyclic Arg-Gly-Asp (cRGD)-modified liposome was used to encapsulate emodin. TTC, HE, Nissl staining, and immunofluorescence staining were employed to evaluate the therapeutic efficacy of brain-targeting emodin in MCAO and OGD/R models. Inflammatory cytokine levels were determined using ELISA. Immunoprecipitation, immunoblotting, and RT-qPCR were utilized for clarifying the changes in key downstream signaling. Lentivirus...
Source: Translational Stroke Research - June 28, 2023 Category: Neurology Source Type: research
The Transcriptional Landscape of Pericytes in Acute Ischemic Stroke
This study identifies temporal transcriptional changes in the acute phase of ischemic stroke that reflect the early response of pericytes to the ischemic insult and its secondary consequences and may constitute potential future therapeutic targets.
Source: Translational Stroke Research - June 28, 2023 Category: Neurology Source Type: research
Correction to: Erythropoietin Abrogates Post-Ischemic Activation of the NLRP3, NLRC4, and AIM2 Inflammasomes in Microglia/Macrophages in a TAK1-Dependent Manner
Source: Translational Stroke Research - June 22, 2023 Category: Neurology Source Type: research
Neutralizing RGMa with Elezanumab Promotes Cerebroprotection and Recovery in Rabbit Middle Cerebral Artery Occlusion
AbstractRepulsive guidance molecule A (RGMa) is an inhibitor of neuronal growth and survival which is upregulated in the damaged central nervous system following acute spinal cord injury (SCI), traumatic brain injury, acute ischemic stroke (AIS), and other neuropathological conditions. Neutralization of RGMa is neuroprotective and promotes neuroplasticity in several preclinical models of neurodegeneration and injury including multiple sclerosis, AIS, and SCI. Given the limitations of current treatments for AIS due to narrow time windows to intervention (TTI), and restrictive patient selection criteria, there is significant...
Source: Translational Stroke Research - June 16, 2023 Category: Neurology Source Type: research
