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Total 2156 results found since Jan 2013.

Plasticity beyond peri-infarct cortex: Spinal up regulation of structural plasticity, neurotrophins, and inflammatory cytokines during recovery from cortical stroke.
Abstract Stroke induces pathophysiological and adaptive processes in regions proximal and distal to the infarct. Recent studies suggest that plasticity at the level of the spinal cord may contribute to sensorimotor recovery after cortical stroke. Here, we compare the time course of heightened structural plasticity in the spinal cord against the temporal profile of cortical plasticity and spontaneous behavioral recovery. To examine the relation between trophic and inflammatory effectors and spinal structural plasticity, spinal expression of brain derived neurotrophic factor (BDNF), neurotrophin-3 (NT-3), tumor necr...
Source: Experimental Neurology - November 26, 2013 Category: Neurology Authors: Sist B, Fouad K, Winship IR Tags: Exp Neurol Source Type: research

Stroke in Children With Cancer: The Tip of the Iceberg?
We read with great interest the article by Noje et al. in which they analyzed the incidence and characteristics of stroke in children with cancer. Among a population of 1411 children with cancer, during a 10-year period registry, 15 children had stroke, corresponding to an overall prevalence of 1%. A slightly increased prevalence of stroke in children with brain tumors was documented (1.3%). The occurrence of stroke in children with brain tumors is potentiated by cranial radiation therapy. We are currently following a cohort of 103 adult survivors of childhood primary central nervous system tumors in our neurooncology c...
Source: Pediatric Neurology - December 6, 2013 Category: Neurology Authors: João Passos, Hipólito Nzwalo, Joana Marques, Ana Azevedo, Sofia Nunes, Duarte Salgado Tags: Letters to the Editor Source Type: research

Exercise and Environmental Enrichment as Enablers of Task-Specific Neuroplasticity and Stroke Recovery
Abstract Improved stroke care has resulted in greater survival, but >50 % of patients have chronic disabilities and 33 % are institutionalized. While stroke rehabilitation is helpful, recovery is limited and the most significant gains occur in the first 2–3 months. Stroke triggers an early wave of gene and protein changes, many of which are potentially beneficial for recovery. It is likely that these molecular changes are what subserve spontaneous recovery. Two interventions, aerobic exercise and environmental enrichment, have pleiotropic actions that influence many of the same molecular changes associated...
Source: Neurotherapeutics - February 11, 2016 Category: Neurology Source Type: research

Nico touts studies using BrainPath to treat hemorrhagic stroke
Nico Corp today released data from 2 recently published studies which utilized its BrainPath Approach to treat hemorrhagic stroke, touting a 95% clot reduction and no mortalities associated with the device. The BrainPath system uses a shunt and specially designed instrumentation to give surgeons access to the subcortical section of the brain. The device won 510(k) clearance from the FDA last June for treating primary and secondary brain tumors, vascular abnormalities, intraventricular tumors or cysts. Data from the studies was published in the journals Neurosurgery and Operative Neurosurgery, the Indianapolis-based c...
Source: Mass Device - June 29, 2016 Category: Medical Equipment Authors: Fink Densford Tags: Neurological Surgical Nico Corp. Source Type: news

Human stem cells transplanted into the rat stroke brain migrate to spleen via lymphatic and inflammation pathways.
This study is the first to demonstrate brain-to-periphery migration of stem cells, advancing the novel concept of harnessing the lymphatic system in mobilizing stem cells to sequester peripheral inflammation as a brain repair strategy. PMID: 30514806 [PubMed - as supplied by publisher]
Source: Haematologica - December 4, 2018 Category: Hematology Authors: Xu K, Lee JY, Kaneko Y, Tuazon JP, Vale F, van Loveren H, Borlongan CV Tags: Haematologica Source Type: research

Aspirin resistance and blood biomarkers in predicting ischemic stroke recurrence: An exploratory study
CONCLUSIONS: Majority of patients with recurrent stroke were elderly (>60 years), hypertensive, and non-compliant with aspirin. Aspirin resistance was an important factor in patients with antiplatelet compliance. Inflammatory biomarkers hsCRP, PLA2, and TNF-α were found to be significantly elevated in patients compared to controls.PMID:35372727 | PMC:PMC8973447 | DOI:10.4103/bc.bc_75_21
Source: Atherosclerosis - April 4, 2022 Category: Cardiology Authors: Prerana Dash Varun Kumar Singh Deepa Gautam Abhishek Pathak Anand Kumar Surendra Pratap Mishra Debabrata Dash Vijay Nath Mishra Deepika Joshi Rameshwar Nath Chaurasia Source Type: research

Systematic analysis of brain and skull ischemic injury expression profiles reveals associations of the tumor immune microenvironment and cell death with ischemic stroke
ConclusionThis systematic analysis not only helps in the understanding of the changes in the gene expression profiles of both the brain and skull with ischemic injury but also reveals the association of the tumor immune microenvironment and cell death with ischemic stroke.
Source: Frontiers in Immunology - December 20, 2022 Category: Allergy & Immunology Source Type: research

Regulation of the p53 ‑mediated ferroptosis signaling pathway in cerebral ischemia stroke (Review)
Exp Ther Med. 2023 Jan 26;25(3):113. doi: 10.3892/etm.2023.11812. eCollection 2023 Mar.ABSTRACTStroke is one of the most threatening diseases worldwide, particularly in countries with larger populations; it is associated with high morbidity, mortality and disability rates. As a result, extensive research efforts are being made to address these issues. Stroke can include either hemorrhagic stroke (blood vessel ruptures) or ischemic stroke (blockage of an artery). Whilst the incidence of stroke is higher in the elderly population (≥65), it is also increasing in the younger population. Ischemic stroke accounts for ~85% of a...
Source: Experimental and Therapeutic Medicine - February 16, 2023 Category: General Medicine Authors: Shuangli Xu Xuewei Li Yanqiang Wang Source Type: research

Neuroprotective Strategies for Stroke by Natural Products: Advances and Perspectives
Curr Neuropharmacol. 2023 Jul 17. doi: 10.2174/1570159X21666230717144752. Online ahead of print.ABSTRACTCerebral ischemic stroke is a disease with high prevalence and incidence. Its management focuses on rapid reperfusion with intravenous thrombolysis and endovascular thrombectomy. Both therapeutic strategies reduce disability, but the therapy time window is short, and the risk of bleeding is high. Natural products (NPs) have played a key role in drug discovery, especially for cancer and infectious diseases. However, they have made little progress in clinical translation and pose challenges to the treatment of stroke. Rece...
Source: Current Neuropharmacology - July 17, 2023 Category: Drugs & Pharmacology Authors: Aifen Liu Jingyan Hu Tzu-Shao Yeh Chengniu Wang Jilong Tang Xiaohong Huang Bin Chen Liexiang Huangfu Weili Yu Lei Zhang Source Type: research

3,6′‐dithiothalidomide improves experimental stroke outcome by suppressing neuroinflammation
Abstract Tumor necrosis factor‐α (TNF) plays a prominent role in the brain damage and functional deficits that result from ischemic stroke. It was recently reported that the thalidomide analog 3,6′‐dithiothalidomide (3,6′‐DT) can selectively inhibit the synthesis of TNF in cultured cells. We therefore tested the therapeutic potential of 3,6′‐DT in a mouse model of focal ischemic stroke. Administration of 3,6′‐DT immediately prior to a stroke or within 3 hr after the stroke reduced infarct volume, neuronal death, and neurological deficits, whereas thalidomide was effective only when administered prior to ...
Source: Journal of Neuroscience Research - February 13, 2013 Category: Neuroscience Authors: Jeong Seon Yoon, Jong‐Hwan Lee, David Tweedie, Mohamed R. Mughal, Srinivasulu Chigurupati, Nigel H. Greig, Mark P. Mattson Tags: Research Article Source Type: research

Fatal Embolic Stroke Due to Non-Atherothrombotic Mobile Thrombi in the Carotid Artery during Gastric Cancer Chemotherapy: An Autopsy Case Report (P01.255)
CONCLUSIONS: Multiple etiologies for ischemic stroke may exist in cancer patients. A mobile thrombus in the carotid artery should be considered as a possible mechanism for arteriogenic stroke in the clinical settings of malignancy with hypercoagulability. Doppler ultrasonography is the most practical tool to identify these conditions.Disclosure: Dr. Yamada has nothing to disclose. Dr. Yoneda has nothing to disclose. Dr. Arakawa has nothing to disclose. Dr. Adachi has nothing to disclose. Dr. Gotoh has nothing to disclose. Dr. Takagi has nothing to disclose.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Yamada, A., Yoneda, J., Arakawa, C., Adachi, T., Gotoh, J., Takagi, M. Tags: P01 Cerebrovascular Disease I Source Type: research

Combination stroke therapy in the mouse with blood-brain barrier penetrating IgG-GDNF and IgG-TNF decoy receptor fusion proteins.
In conclusion, combination treatment with BBB penetrating IgG-GDNF and IgG-TNFR fusion proteins enhances the therapeutic effect of single treatment with the IgG-GDNF fusion protein following delayed intravenous administration in acute stroke. PMID: 23428543 [PubMed - as supplied by publisher]
Source: Brain Research - February 18, 2013 Category: Neurology Authors: Sumbria RK, Boado RJ, Pardridge WM Tags: Brain Res Source Type: research

Contralaterally transplanted human embryonic stem cell-derived neural precursor cells (ENStem-A) migrate and improve brain functions in stroke-damaged rats.
In this study, we investigated the fates of human embryonic stem cell (hESC)-derived NPCs (ENStem-A) for 8 weeks following transplantation into the side contralateral to the infarct region using 7.0T animal magnetic resonance imaging (MRI). T2- and T2*-weighted MRI analyses indicated that the migrating cells were clearly detectable at the infarct boundary zone by 1 week, and the intensity of the MRI signals robustly increased within 4 weeks after transplantation. Afterwards, the signals were slightly increased or unchanged. At 8 weeks, we performed Prussian blue staining and immunohistochemical staining using human-specifi...
Source: exp Mol Med - November 19, 2013 Category: Molecular Biology Authors: Chang DJ, Oh SH, Lee N, Choi C, Jeon I, Kim HS, Shin DA, Lee SE, Kim D, Song J Tags: Exp Mol Med Source Type: research