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Total 2156 results found since Jan 2013.

The importance of selected markers of inflammation and blood-brain barrier damage for short-term ischemic stroke prognosis.
Authors: Lasek-Bal A, Jedrzejowska-Szypulka H, Student S, Warsz-Wianecka A, Zareba K, Puz P, Bal W, Pawletko K, Lewin-Kowalik J Abstract Acute cerebral ischemia triggers local and systemic immune response. The aims of this project was to assess the blood serum concentration of the markers of inflammation and markers of the blood brain barrier damage on the first day of ischemic stroke, and the mutual correlations between these marker levels. Patients with first-in-life stroke were analysed according to: plasma concentration of the following markers on the first day of stroke: interleukin 2 (IL-2) and interleuki 6 (...
Source: Journal of Physiology and Pharmacology - July 31, 2019 Category: Drugs & Pharmacology Tags: J Physiol Pharmacol Source Type: research

Association Between Ischemic Stroke and Tumor Necrosis Factor Inhibitor Therapy in Patients With Rheumatoid Arthritis
ConclusionExposure to TNFi does not appear to influence the occurrence of ischemic stroke in the medium term in patients with RA. The impact on mortality after ischemic stroke remains inconclusive.
Source: Arthritis and Rheumatism - May 25, 2016 Category: Rheumatology Authors: Audrey S. L. Low, Mark Lunt, Louise K. Mercer, Kath D. Watson, William G. Dixon, Deborah P. M. Symmons, Kimme L. Hyrich Tags: Rheumatoid Arthritis Source Type: research

Pyruvate Kinase M2 Increases Angiogenesis, Neurogenesis, and Functional Recovery Mediated by Upregulation of STAT3 and Focal Adhesion Kinase Activities After Ischemic Stroke in Adult Mice
AbstractIschemic stroke remains a serious threat to human life. Generation of neuronal and vascular cells is an endogenous regenerative mechanism in the adult brain, which may contribute to tissue repair after stroke. However, the regenerative activity is typically insufficient for significant therapeutic effects after brain injuries. Pyruvate kinase isoform M2 (PKM2) is a key regulator for energy metabolism. PKM2 also has nonmetabolic roles involving regulations of gene expression, cell proliferation, and migration in cancer cells as well as noncancerous cells. In a focal ischemic stroke mouse model, recombinant PKM2 (rPK...
Source: Neurotherapeutics - June 4, 2018 Category: Neurology Source Type: research

Diagnostic accuracy of major stroke types in Chinese adults: A clinical adjudication study involving 40,000 stroke cases
Lancet Reg Health West Pac. 2022 Mar 5;21:100415. doi: 10.1016/j.lanwpc.2022.100415. eCollection 2022 Apr.ABSTRACTBACKGROUND: Widespread use of brain imaging in suspected stroke cases in Chinese adults has prompted the need for clinical adjudication studies of stroke types. We conducted a clinical adjudication study to assess the reporting and diagnostic accuracy of major stroke types.METHODS: The prospective China Kadoorie Biobank recruited >512,000 adults (mean age 52 years, 59% women) from 10 urban and rural areas in China during 2004-2008, and recorded 45,859 first-ever incident stroke cases during an 11-year follow...
Source: Cancer Control - March 14, 2022 Category: Cancer & Oncology Authors: Iain Turnbull Robert Clarke Neil Wright Yu Guo Christina Kartsonaki Pei Pei Alex Hacker Canqing Yu Simon Gilbert Ling Yang Jinyi Zhou Sam Sansome Jun Lv Liming Li Zhengming Chen Yiping Chen Source Type: research

Genetic deletion of calcium/calmodulin-dependent protein kinase kinase ß (CaMKK ß) or CaMK IV exacerbates stroke outcomes in ovariectomized (OVXed) female mice
Conclusions: Inhibition of CaMKK signaling exacerbated stroke outcome and increased BBB impairment, transcriptional inactivation and inflammatory responses in females after stroke. Therefore, CaMKK signaling may be a potential target for stroke treatment in both males and females.
Source: BMC Neuroscience - October 21, 2014 Category: Neuroscience Authors: Lin LiuLouise McCulloughJun Li Source Type: research

Early High-dosage Atorvastatin Treatment Improved Serum Immune-inflammatory Markers and Functional Outcome in Acute Ischemic Strokes Classified as Large Artery Atherosclerotic Stroke: A Randomized Trial
Abstract: Statins have beneficial effects on cerebral circulation and brain parenchyma during ischemic stroke and reperfusion. The primary hypothesis of this randomized parallel trial was that treatment with 80 mg/day of atorvastatin administered early at admission after acute atherosclerotic ischemic stroke could reduce serum levels of markers of immune-inflammatory activation of the acute phase and that this immune-inflammatory modulation could have a possible effect on prognosis of ischemic stroke evaluated by some outcome indicators. We enrolled 42 patients with acute ischemic stroke classified as large arteries ath...
Source: Medicine - March 1, 2016 Category: Internal Medicine Tags: Research Article: Clinical Trial/Experimental Study 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

The relationship between malignant tumors and ischemic stroke: I. Thrombosis development and shared risk factors
Orv Hetil. 2022 Jan 2;163(1):3-11. doi: 10.1556/650.2021.32328. Print 2022 Jan 2.ABSTRACTÖsszefoglaló. A malignus daganat és a stroke egy-egy betegnél gyakran kombinálódik, sokszor egyidejűleg diagnosztizálják, vagy rövid idő telik el a két kórkép felismerése között. Az együttes megjelenés hátterében elsősorban a hasonló tradicionális rizikófaktorok állhatnak: az idősebb életkor, a magas vérnyomás, a hyperlipidaemia, a cukorbetegség, az elhízás és a dohányzás. Az átfedő kockázati tényezőkön túl a daganat által okozott hiperkoaguláció artériás és vénás thrombosis kialakulá...
Source: Orvosi Hetilap - January 2, 2022 Category: General Medicine Authors: N óra Hajnóczky D ániel Bereczki Source Type: research

Inhibition of Mitogen-Activated Protein Kinase Phosphatase-1 (MKP-1) Increases Experimental Stroke Injury.
CONCLUSIONS:: We have demonstrated that MKP-1 signaling is an endogenous protective mechanism in stroke. Our data imply that MKP-1 possesses ant-apoptotic and anti-inflammatory properties by simultaneously controlling the activities of JNK and microglial p38. PMID: 24842488 [PubMed - as supplied by publisher]
Source: Experimental Neurology - May 16, 2014 Category: Neurology Authors: Liu L, Doran S, Xu Y, Manwani B, Ritzel R, Benashski S, McCullough L, Li J Tags: Exp Neurol Source Type: research

Deletion of the P2X4 receptor is neuroprotective acutely, but induces a depressive phenotype during recovery from ischemic stroke.
CONCLUSIONS: P2X4R deletion protects against stroke acutely but predisposes to depression-like behavior chronically after stroke. Thus, a time-sensitive approach should be considered when targeting P2X4Rs after stroke. PMID: 28751018 [PubMed - as supplied by publisher]
Source: Brain, Behavior, and Immunity - July 24, 2017 Category: Neurology Authors: Verma R, Cronin CG, Hudobenko J, Venna VR, McCullough LD, Liang BT Tags: Brain Behav Immun Source Type: research

Upregulating microRNA-874-3p inhibits CXCL12 expression to promote angiogenesis and suppress inflammatory response in ischemic stroke.
Abstract Identification of specific biomarkers for ischemic stroke is necessary due to their abilities to improve treatment outcomes. Many studies have demonstrated the involvement of microRNAs (miRNAs) in the pathogenesis and complications of ischemic stroke and patient outcomes. We found that the expression of miR-874-3p was downregulated in clinical samples of ischemic stroke. Thus, the present study explored the potential role of miR-874-3p in ischemic stroke and related mechanisms. A mouse model of ischemic stroke was constructed by middle cerebral artery occlusion. The relationship among miR-874-3p, C-X-C mo...
Source: Am J Physiol Cell Ph... - June 30, 2020 Category: Cytology Authors: Xie K, Cai Y, Yang P, Du F, Wu K Tags: Am J Physiol Cell Physiol Source Type: research

proMetalloproteinase-10 is associated with brain damage and clinical outcome in acute ischemic stroke.
CONCLUSIONS: Increased serum proMMP-10 after acute ischemic stroke, associated with TNFα, is a new marker of brain damage and poor outcome. This article is protected by copyright. All rights reserved. PMID: 23742289 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - June 7, 2013 Category: Hematology Authors: Rodríguez JA, Sobrino T, Orbe J, Purroy A, Martínez-Vila E, Castillo J, Páramo JA Tags: J Thromb Haemost Source Type: research

Apoptotic markers and DNA damage are related to late phase of stroke: Involvement of dyslipidemia and inflammation
Publication date: 1 November 2015 Source:Physiology & Behavior, Volume 151 Author(s): Eduardo Tanuri Pascotini, Ariane Ethur Flores, Aline Kegler, Patricia Gabbi, Guilherme Vargas Bochi, Thais Doeler Algarve, Ana Lucia Cervi Prado, Marta M.M.F. Duarte, Ivana B.M. da Cruz, Rafael Noal Moresco, Luiz Fernando Freire Royes, Michele Rechia Fighera Oxidative stress and brain inflammation are thought to contribute to the pathophysiology of cerebral injury in acute stroke, leading to apoptosis and cell death. Lipid accumulation may lead to progression of carotid plaques and inflammation, contributing to incre...
Source: Physiology and Behavior - August 15, 2015 Category: Physiology Source Type: research

Role of serum ‐ and glucocorticoid‐inducible kinases in stroke
Abstract Increased expression of serum‐ and glucocorticoid‐inducible kinase 1 (SGK1) can be induced by stress and growth factors in mammals, and plays an important role in cancer, diabetes, and hypertension. A recent work suggested that SGK1 activity restores damage in a stroke model. To further investigate the role of SGKs in ischemic brain injury, we examined how SGK inhibitors influence stroke outcome in vivo and neurotoxicity in vitro. Infarct volumes were compared in adult mice with middle cerebral artery occlusion, followed by 24 h reperfusion, in the absence or presence of SGK inhibitors. Neurotoxicity assay,...
Source: Journal of Neurochemistry - May 24, 2016 Category: Neuroscience Authors: Koichi Inoue, Tiandong Leng, Tao Yang, Zhao Zeng, Takatoshi Ueki, Zhi ‐Gang Xiong Tags: Original Article Source Type: research

Risk of stroke in patients with newly diagnosed multiple myeloma: a retrospective cohort study
This study includes consecutive patients 20 years and older who were newly diagnosed with symptomatic multiple myeloma at Taipei Veterans General Hospital, a tertiary medical center, between January 1, 2002 and December 31, 2014. The primary outcome was stroke development. Patients with head injuries, brain tumors, brain parenchymal invasions, or antecedent malignancies were excluded. Hazard ratios (HRs) of stroke risk factors for multiple myeloma patients were estimated by Cox proportional regression analysis. Overall, 395 patients with a median age of 70 years were investigated. In the median follow‐up period of 18 ...
Source: Hematological Oncology - August 21, 2016 Category: Hematology Authors: Gin ‐Yi Lee, Yu‐Ting Lee, Chiu‐Mei Yeh, Pei Hsu, Ting‐Wei Lin, Jyh‐Pyng Gau, Yuan‐Bin Yu, Liang‐Tsai Hsiao, Cheng‐Hwai Tzeng, Tzeon‐Jye Chiou, Jin‐Hwang Liu, Yao‐Chung Liu, Chia‐Jen Liu Tags: ORIGINAL RESEARCH ARTICLE Source Type: research