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Total 1078 results found since Jan 2013.
Uric Acid Treatment After Stroke Prevents Long-Term Middle Cerebral Artery Remodelling and Attenuates Brain Damage in Spontaneously Hypertensive Rats
AbstractHypertension is the most important modifiable risk factor for stroke and is associated with poorer post-stroke outcomes. The antioxidant uric acid is protective in experimental normotensive ischaemic stroke. However, it is unknown whether this treatment exerts long-term protection in hypertension. We aimed to evaluate the impact of transient intraluminal middle cerebral artery (MCA) occlusion (90 min)/reperfusion (1–15 days) on brain and vascular damage progression in adult male Wistar-Kyoto (WKY;n = 36) and spontaneously hypertensive (SHR;n = 37) rats treated (i.v./120 min post-occlusion) with uric aci...
Source: Translational Stroke Research - September 15, 2018 Category: Neurology Source Type: research
Total Antioxidant Capacity Predicts Outcome in Acute Ischemic Stroke Subtypes in Egyptian Patients
Background: Oxidative stress after ischemic stroke contributes to neuronal cell injury. We tried to demonstrate an association between total antioxidant capacity (TAC) levels and outcomes after acute ischemic stroke (AIS). Methods: We enrolled 60 patients (36 females and 24 males) who were admitted to our hospital due to AIS, in addition to 30 age and sex-matched healthy controls. TAC levels were measured on day 1 of stroke onset, the relationships between TAC levels, stroke subtypes, and clinical outcomes based on the National Institutes of Health Stroke Scale and modified Rankin scale upon discharge were evaluated.
Source: Journal of Stroke and Cerebrovascular Diseases - April 19, 2019 Category: Neurology Authors: Nesma A.M. Ghonimi, Mohamed E. Mahdy, Osama A. Abdel Salam Source Type: research
Glycyrrhizin Prevents Hemorrhagic Transformation and Improves Neurological Outcome in Ischemic Stroke with Delayed Thrombolysis Through Targeting Peroxynitrite-Mediated HMGB1 Signaling
In conclusion, peroxynitrite-mediated HMGB1/TLR2 signaling contributes to hemorrhagic transformation, and glycyrrhizin could be a potential adjuvant therapy to attenuate hemorrhagic transformation, possibly through inhibiting the ONOO−/HMGB1/TLR2 signaling cascades.
Source: Translational Stroke Research - December 23, 2019 Category: Neurology Source Type: research
Improving Microcirculatory Reperfusion Reduces Parenchymal Oxygen Radical Formation and Provides Neuroprotection Basic Sciences
Conclusions—Promoting microvascular reperfusion by protecting vasculature can secondarily reduce parenchymal ROS formation and provide neuroprotection. The model presented can be used to directly assess pharmacological end points postulated in brain parenchyma and vasculature in vivo.
Source: Stroke - April 23, 2018 Category: Neurology Authors: Aslihan Taskiran-Sag, Muge Yemisci, Yasemin Gursoy-Ozdemir, Sefik Evren Erdener, Hulya Karatas, Deniz Yuce, Turgay Dalkara Tags: Ischemic Stroke, Neuroprotectants Original Contributions Source Type: research
Association between dietary antioxidant capacity and atherosclerotic carotid stenosis in patients with ischemic stroke
The aim of this study was to evaluate the relationship between dietary total antioxidant capacity (DTAC) and atherosclerotic carotid stenosis in patients with ischemic stroke.
Source: Journal of Stroke and Cerebrovascular Diseases - May 20, 2023 Category: Neurology Authors: Jizi Ma, Xuerong Jia, Yaqian Xia, Min Peng, Yantong Chen, Jingjing Cai, Xinfeng Liu, Gelin Xu Source Type: research
Cell-Based Therapies for Stroke: Promising Solution or Dead End? Mesenchymal Stem Cells and Comorbidities in Preclinical Stroke Research
Conclusion
The high prevalence of comorbidities in patients with stroke indicates the need for therapies in preclinical studies that take into account these comorbidities in order to avoid failures in translation to the patient. Preclinical studies are beginning to evaluate the efficacy of MSC treatment in stroke associated with comorbidities, especially hypertension, for ischemic and hemorrhagic stroke. Regarding aging and diabetes, only ischemic stroke studies have been performed. For the moment, few studies have been performed and contradictory results are being reported. These contradictory results may be due to the u...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research
Anxiety in Patients With Acute Ischemic Stroke: Risk Factors and Effects on Functional Status
Conclusion: Depressive symptoms are the major correlates of PSA while more severe PSA is associated with poorer ADL and health-related QOL. Acute lesions involving CHWM may correlate with PSA in ischemic stroke patients with mild-to-moderate neurologic deficits, supporting a lesion-location hypothesis in PSA.IntroductionAnxiety is prevalent after stroke and occurs in about one-quarter of stroke survivors (1, 2). Poststroke anxiety (PSA) may have a negative impact on quality of life (QOL) of stroke survivors, affecting their rehabilitation (3). Furthermore, one prospective study found that severe anxiety symptoms were assoc...
Source: Frontiers in Psychiatry - April 16, 2019 Category: Psychiatry Source Type: research
Using Dental Pulp Stem Cells for Stroke Therapy
Conclusion and Future Perspectives
Stem cell-based therapy is a promising alternative for stroke treatment. While stem cells from different sources, including induced PSC, ESC, MSC, and NSC, have been investigated, using NSC and enhancing the natural mechanisms is most appropriate for brain repair. In preclinical models of stroke, stem cell transplantation has led to positive outcomes through a variety of cellular and molecular mechanisms, many being mediated by the array of beneficial factors produced by the cells. Recent advances in cellular reprogramming have provided alternative sources of NSC to be investigated, allo...
Source: Frontiers in Neurology - April 28, 2019 Category: Neurology Source Type: research
1H NMR-Based Metabolomics Reveals Refined-Huang-Lian-Jie-Du-Decoction (BBG) as a Potential Ischemic Stroke Treatment Drug With Efficacy and a Favorable Therapeutic Window
This study was carried out in accordance with the recommendations of Animal Ethics Committee of China Pharmaceutical University. The protocol was approved by Animal Ethics Committee of China Pharmaceutical University.
Author Contributions
JW, MY, and LK conceived the experiments and helped to coordinate support and funding. XF performed the research and drafted the manuscript. SL, YL, and DX participated in the experiments. JW analyzed the data and edited the paper. All authors read and approved the final manuscript.
Conflict of Interest Statement
The authors declare that the research was conducted in the absence of an...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research
Haematological Indices and Antioxidant Enzyme Activity in Ghanaian Stroke Patients
CONCLUSION: Haematological parameters such as WBC, lymphocyte, platelet levels, and red cell indices were significantly different in the stroke patients being studied. There was negative correlation between lymphocyte significantly with SOD activity and high oxidative stress in stroke patients compared with the control group. Lymphocytes and plateletcrit levels were also good predictors of the occurrence of stroke.PMID:35281592 | PMC:PMC8913147 | DOI:10.1155/2022/1203120
Source: Biomed Res - March 14, 2022 Category: Research Authors: Richard Harry Asmah Pomah Sackey Patrick Adjei Timothy N Archampong Seth Attoh Derek Doku Marjorie Quarchie Felix Botchway David Adedia Eric Sampene Donkor Source Type: research
Serum mercury concentration and the risk of ischemic stroke: The REasons for Geographic and Racial Differences in Stroke Trace Element Study.
CONCLUSION: This study does not support an association between mercury and the incidence of ischemic stroke within a population with low-to-moderate level of exposure. Further studies are needed to explore the possibility of mercury-induced ischemic stroke toxicity in other populations at higher exposure levels.
PMID: 29738916 [PubMed - as supplied by publisher]
Source: Environment International - May 4, 2018 Category: Environmental Health Authors: Chen C, Xun P, McClure LA, Brockman J, MacDonald L, Cushman M, Cai J, Kamendulis L, Mackey J, He K Tags: Environ Int Source Type: research
The Association between Inflammatory Markers in the Acute Phase of Stroke and Long-Term Stroke Outcomes: Evidence from a Population-Based Study of Stroke
Conclusion: CRP has a significant direct, yet weak, correlation to the severity of stroke. In addition, the level of CRP at admission may have a clinical implication to identify those at a higher risk of death or recurrence.Neuroepidemiology
Source: Neuroepidemiology - April 16, 2019 Category: Epidemiology Source Type: research
Carotenoids as Potential Antioxidant Agents in Stroke Prevention: A Systematic Review
Stroke and other cerebrovascular diseases are among the most common causes of death worldwide. Prevention of modifable risk factors is a cost ‑effective approach to decrease the risk of stroke. Oxidative stress is regarded as the major flexible operative agent in ischemic brain damage. This review presents recent scientifc advances in understanding the role of carotenoids as antioxidants in lowering stroke risk based on observational s tudies. We searched Medline using the following terms: (Carotenoids [MeSH] OR Carotenes [tiab] OR Carotene [tiab] OR“lycopene [Supplementary Concept]” [MeSH] OR lycopene [tiab...
Source: International Journal of Preventive Medicine - September 16, 2017 Category: International Medicine & Public Health Source Type: research
