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Specialty: Neurology
Cancer: Leukemia
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Total 31 results found since Jan 2013.
Neuregulin-1/PI3K signaling effects on oligodendrocyte proliferation, remyelination and behaviors deficit in a male mouse model of ischemic stroke
In this study, we investigated the effect of neuregulin-1 (NRG1) on demyelination and neurological function in an ischemic stroke model, and further explored its neuroprotective mechanisms. Adult male ICR mice underwent photothrombotic ischemia surgery and were injected with NRG1 beginning 30 min after ischemia. Cylinder and grid walking tests were performed to evaluate the forepaw function. In addition, the effect of NRG1 on neuronal damage/death (Cresyl violet, CV), neuronal nuclei (NeuN), nestin, doublecortin (DCX), myelin basic protein (MBP), non-phosphorylated neurofilaments (SMI-32), adenomatous polyposis coli (APC),...
Source: Experimental Neurology - January 23, 2023 Category: Neurology Authors: Mai Yin Cui Yan Qiong Fu Zhuo Li Li Yu Zheng Yi Yu Chan Zhang Yun Qi Zhang Bing Rui Gao Wu Yue Chen Yun-Lyul Lee Moo-Ho Won Min Liao Yong Jian Bai Hui Chen Source Type: research
Challenging Cases in Cerebrovascular Disease
We present four cases of stroke of uncommon cause and remind clinicians to be open minded to the many possible causes of stroke, in particular because early recognition and treatment is often critical. Case 1 discusses a patient with inflammatory cerebral amyloid angiopathy. The presentation, ability to recur, and current treatment considerations are reviewed. Case 2 discusses microangiopathic thrombotic angiopathy. Diagnosis and treatment are considered. An association with interferon therapy and the evolving terminology of this and related conditions are discussed. Case 3 discusses intracranial hemorrhage secondary to ac...
Source: Seminars in Neurology - January 9, 2023 Category: Neurology Authors: Kelly, Michael A. Singh, Jasmine Balabanov, Alexandra Wadina, Adam Dasovic, Braden Tags: Review Article Source Type: research
The Clinical Impact of Methotrexate-Induced Stroke-Like Neurotoxicity in Paediatric Departments: An Italian Multi-Centre Case-Series
ConclusionsSLS is a rare, well-characterized complication of MTX administration. Despite the small sample, we have been able to confirm some of the previous findings in literature. We also identified a linear correlation between age and severity of the disease, which could improve the future clinical management.
Source: Frontiers in Neurology - June 10, 2022 Category: Neurology Source Type: research
Nilotinib-Associated Atherosclerosis Presenting as Multifocal Intracranial Stenosis and Acute Stroke
Nilotinib is considered an effective and well-tolerated frontline agent used in the treatment of chronic myelogenous leukemia (CML). It is a breakpoint cluster region-Ableson (BCR-ABL) tyrosine kinase inhibitor (TKI) that has been associated with accelerated arterial stenosis, presumably of atherosclerotic etiology. However, reports are mostly limited to peripheral artery occlusive disease (PAOD), specifically in the lower extremities.1 The mechanism by which it promotes atherosclerosis is poorly understood but endothelial and perivascular factors, mast cell depletion, and metabolic factors such as promotion of dyslipidemi...
Source: Journal of Stroke and Cerebrovascular Diseases - June 2, 2021 Category: Neurology Authors: Bhavika Kakadia, Richa Thakkar, Emma Sanborn, Giselle Alexandra Suero-Abreu, Tudor G. Jovin, Ryna Then Tags: Case Report Source Type: research
Cerebrovascular manifestations in hematological diseases: an update
AbstractPatients with hematological diseases often experience cerebrovascular complications including ischemic stroke, intracerebral and subarachnoid hemorrhage, microbleeds, posterior reversible encephalopathy syndrome, and dural sinus and cerebral vein thrombosis (CVT). In this update, we will review recent advances in the management of cerebrovascular diseases in the context of myeloproliferative neoplasms, leukemias, lymphomas, multiple myeloma, POEMS, paroxysmal nocturnal hemoglobinuria (PNH), thrombotic thrombocytopenic purpura (TTP), and sickle-cell disease. In acute ischemic stroke associated with hematological dis...
Source: Journal of Neurology - February 13, 2021 Category: Neurology Source Type: research
Dendrobium nobile Lindl. polysaccharides reduce cerebral ischemia/reperfusion injury in mice by increasing myeloid cell leukemia 1 via the downregulation of miR-134
Conclusions:
DNLP may protect the brain and neurons from hypoxic damage in mice with ischemic stroke by activating MCL-1 and downregulating miR-134, providing a new therapeutic target for ischemic stroke.
Source: NeuroReport - February 3, 2021 Category: Neurology Tags: Cellular, Molecular and Developmental Neuroscience Source Type: research
Progressive thrombosis of cervical and intracranial arteries related to Ponatinib treatment for Chronic Myeloid Leukemia
Ponatinib is a third-generation Tyrosine Kinase Inhibitor (TKI), approved as first-line treatment for Chronic Myeloid Leukaemia (CML) chronic phase.Here we describe a CML patient with a history of subsequent TIAs and an ischemic stroke during Ponatinib treatment. Patient was admitted for a 3-day history of sudden onset left hemiparesis due to an acute ischemic stroke. MRI showed bilaterally the almost total absence of signal in the intracranial tract of anterior circulation and low signal of cerebral posterior circulation.
Source: Journal of Stroke and Cerebrovascular Diseases - August 15, 2020 Category: Neurology Authors: E Spina, R Renna, LA Lanterna, ML Colleoni, V Andreone Tags: Case Report Source Type: research
Mixed Lineage Leukemia 1 Promoted Neuron Apoptosis in Ischemic Penumbra via Regulating ASK-1/TNF- α Complex
This study aimed to explore the underlying mechanism of neuron apoptosis in ischemic penumbra via histone methyltransferase (HMT) mixed lineage leukemia 1 (MLL1) mediated epigenetic pathway. Mouse IS model was established by middle cerebral artery occlusion (MCAO). Mouse primary cortical mixed cells were cultured and treated with oxygen–glucose deprivation (OGD) to simulate IS process. The expressions of apoptosis signal regulating kinase-1 (ASK-1), pASK-1, cleaved caspase-3, ASK-1/serine–threonine kinase receptor-associated protein (STRAP)/14-3-3 complex, ASK-1/tumor necrosis factor-α (TNF-α) complex, and MLL1 in mo...
Source: Frontiers in Neuroanatomy - July 24, 2020 Category: Neurology Source Type: research
Seizures during treatment of childhood acute lymphoblastic leukemia: A population-based cohort study.
CONCLUSION: Seizures are relatively common in ALL patients and occur most often in patients with PRES, SVT, or as an isolated symptom. Older children have higher risk of seizures.
PMID: 32340855 [PubMed - as supplied by publisher]
Source: European Journal of Paediatric Neurology - April 17, 2020 Category: Neurology Authors: Anastasopoulou S, Heyman M, Eriksson MA, Niinimäki R, Taskinen M, Mikkel S, Vaitkeviciene GE, Johannsdottir IM, Myrberg IH, Jonsson OG, Als-Nielsen B, Schmiegelow K, Banerjee J, Ranta S, Harila-Saari A Tags: Eur J Paediatr Neurol Source Type: research
Vitronectin mitigates stroke-increased neurogenesis only in female mice and through FAK-regulated IL-6.
Abstract
Vitronectin (VTN) is a blood protein produced mainly by the liver. We show that VTN leaks from the bloodstream into the injury site and neighboring subventricular zone (SVZ) following ischemic stroke (middle cerebral artery occlusion, MCAO) in adult mice. MCAO is known to increase neurogenesis after stroke. VTN inhibits this response in females, but not in males, as shown by ~70% more stroke-induced SVZ neurogenesis in female VTN-/- mice at 14 d. In female VTN-/- mice, stroke-induced expression of interleukin-6 (IL-6) at 24 h was reduced in the SVZ. The closely related leukemia inhibitory factor (LIF) o...
Source: Experimental Neurology - October 29, 2019 Category: Neurology Authors: Jia C, Keasey MP, Malone HM, Lovins C, Hagg T Tags: Exp Neurol Source Type: research
Rapidly Progressive Intracranial Vasculopathy in Graft Versus Host Disease
We report a previously undescribed noninflammatory vasculopathy causing multifocal intracranial arterial occlusions and cerebral infarctions in a man following allogenic hematopoietic stem cell transplantation for chronic lymphocytic leukemia, which we propose to be a central nervous system manifestation of graft versus host disease.
Source: Journal of Stroke and Cerebrovascular Diseases - March 12, 2019 Category: Neurology Authors: Theodore Bowen, Shawn A. Silver, Cathy Sila Tags: Case Report Source Type: research
Neuroprotective activity of leukemia inhibitory factor is relayed through myeloid zinc finger-1 in a rat model of stroke
AbstractThe aim of this study was to determine whether leukemia inhibitory factor (LIF) exerts its neuroprotective effects through signal transduction of the transcription factor myeloid zinc finger-1 (MZF-1). According to the hypothesis of this study, MZF-1 mediates LIF-induced neuroprotective signaling during ELVO through increased expression and transcriptional activity. To determine the in vivo role of MZF-1 in LIF-induced neuroprotection, we used Genomatix software was used to MZF-1 sites in the promoter region of the rat superoxide dismutase 3 (SOD3) gene. Stroke was induced via middle cerebral artery occlusion, and ...
Source: Metabolic Brain Disease - January 5, 2019 Category: Neurology Source Type: research
Leukemia inhibitory factor modulates the peripheral immune response in a rat model of emergent large vessel occlusion
The migration of peripheral immune cells and splenocytes to the ischemic brain is one of the major causes of delayed neuroinflammation after permanent large vessel stroke. Other groups have demonstrated that l...
Source: Journal of Neuroinflammation - October 15, 2018 Category: Neurology Authors: Stephanie M. Davis, Lisa A. Collier, Edric D. Winford, Christopher C. Leonardo, Craig T. Ajmo Jr, Elspeth A. Foran, Timothy J. Kopper, John C. Gensel and Keith R. Pennypacker Tags: Research Source Type: research
