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Neurological Research

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https://www.readbyqxmd.com/read/28420316/persistence-of-secondary-prevention-medication-and-related-factors-for-acute-ischemic-stroke-and-transient-ischemic-attack-in-china
#1
Yue Jiang, Xiaomeng Yang, Zixiao Li, Yuesong Pan, Yilong Wang, Yongjun Wang, Ruijun Ji, Chen Wang
OBJECTIVE: We recently measured the longitudinal use of secondary prevention medication following hospital discharge and the factors influencing persistence in patients with acute ischemic stroke (AIS) and transient ischemic attack (TIA) in China. METHODS: Patients with AIS and TIA who were enrolled in the China National Stroke Registry II from June 2012 to January 2013 were surveyed to determine persistence. The medications included antiplatelet therapies, warfarin, antihypertensive therapies, statins, and diabetes medications...
April 19, 2017: Neurological Research
https://www.readbyqxmd.com/read/28415958/glycyrrhizic-acid-exerts-anti-inflammatory-effect-to-improve-cerebral-vasospasm-secondary-to-subarachnoid-hemorrhage-in-a-rat-model
#2
Yi Li, Fengbin Sun, Zhaohui Jing, Xuhui Wang, Xuming Hua, Liang Wan
This study aimed to investigate the therapeutic effect of glycyrrhizic acid (GA) on the cerebral vasospasm (CVS) in a rat subarachnoid hemorrhage (SAH) model and to explore the potential mechanism. A total of 44 healthy male rats were randomly assigned into 3 groups: control group (n = 12), SAH group (n = 16) and GA group (n = 16). No treatment was conducted in control group; in SAH group and GA group, experimental CVS was induced using a double-hemorrhage model and then rats were intraperitoneally injected with normal saline and GA at 10 mg/kg, respectively, once daily...
April 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28415917/exercise-rehabilitation-immediately-following-ischemic-stroke-exacerbates-inflammatory-injury
#3
Fengwu Li, John T Pendy, Jessie N Ding, Changya Peng, Xiaorong Li, Jiamei Shen, Sainan Wang, Xiaokun Geng
OBJECTIVES: The rehabilitative benefits of physical exercise after stroke appear to be contingent upon exercise initiation timing. The present study assessed the hypothesis that very early post-stroke exercise would amplify cellular stress and increases expression of pro-inflammatory mediators, while exercise initiated later would limit the inflammation associated with cerebral ischemia/reperfusion injury. METHODS: Adult rats were subjected to middle cerebral artery occlusion and subsequently assigned to one of seven groups: one sham injury control group, three stroke groups subjected to exercise initiated after 6, 24 hours, or 3 days of reperfusion, and three stroke groups not subjected to exercise...
April 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28415916/association-between-psychosocial-stress-and-hypertension-a-systematic-review-and-meta-analysis
#4
Mei-Yan Liu, Na Li, William A Li, Hajra Khan
AIM: The etiology of hypertension is various and complex, involving both genetic and behavioral factors. The relationship between psychosocial stress and hypertension has been hypothesized. More and more people experience increased anxiety, depression, and chronic psychosocial stress brought on by globalization, cultural changes, socioeconomic changes, and stress at the work place. Although a plethora of studies have investigated the interaction between psychosocial stress and hypertension, this relationship is still contentious...
April 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28413924/erythropoietin-attenuates-axonal-injury-after-middle-cerebral-artery-occlusion-in-mice
#5
Rongliang Wang, Haiping Zhao, Jincheng Li, Yunxia Duan, Zhibin Fan, Zhen Tao, Fei Ju, Feng Yan, Yumin Luo
OBJECTIVE: Erythropoietin (EPO) confers potent neuroprotection against ischemic injury through a variety of mechanisms. However, the protective effect of EPO on axons after cerebral ischemia in adult mice is rarely covered. The purpose of this study was to investigate the potential neuroprotective effects of EPO on axons in mice after cerebral ischemia. METHODS: A total of 30 adult male C57 BL/6 mice were treated with EPO (5000 IU/kg) or vehicle after transient middle cerebral artery occlusion (MCAO)...
April 16, 2017: Neurological Research
https://www.readbyqxmd.com/read/28403693/anterior-retropharyngeal-plate-screw-fixation-with-bilateral-anterior-transarticular-screws-for-odontoid-fractures-a-new-comprehensive-technique
#6
Sushil Patkar
INTRODUCTION: A certain group of odontoid fractures (Anderson and D' Alonzo Type-2) are usually offered surgical treatment. Common surgical option is an anterior odontoid screw. Some of the fractures are not suitable for anterior odontoid screw (anterior oblique, displaced distal fragments and those with atlantoaxial instability) and these are usually offered posterior transarticular screws (Magerl's) or posterior atlantoaxial screw rod/plate fixation (Goel-Harms technique). Posterior surgery involves atlantoaxial fixation with an indirect attempt to reduce and fuse the fracture ...
April 13, 2017: Neurological Research
https://www.readbyqxmd.com/read/28403681/atrophy-ultra-structural-disorders-severe-atrophy-and-degeneration-of-denervated-human-muscle-in-sci-and-aging-implications-for-their-recovery-by-functional-electrical-stimulation-updated-2017
#7
Helmut Kern, Cristian Hofer, Stefan Loefler, Sandra Zampieri, Paolo Gargiulo, Alfonc Baba, Andrea Marcante, Francesco Piccione, Amber Pond, Ugo Carraro
OBJECTIVES: Long-term lower motor neuron denervation of skeletal muscle is known to result in degeneration of muscle with replacement by adipose and fibrotic tissues. However, long-term survival of a subset of skeletal myofibers also occurs. METHODS: We performed transverse and longitudinal studies of patients with spinal cord injury (SCI), patients specifically complete Conus and Cauda Equina Syndrome and also of active and sedentary seniors which included analyses of muscle biopsies from the quadriceps m...
April 13, 2017: Neurological Research
https://www.readbyqxmd.com/read/28403684/mangiferin-prevents-corticosterone-induced-behavioural-deficits-via-alleviation-of-oxido-nitrosative-stress-and-down-regulation-of-indoleamine-2-3-dioxygenase-ido-activity
#8
Gao-Quan Luo, Ling Liu, Qu-Wen Gao, Xiao-Na Wu, Wei Xiang, Wen-Ting Deng
BACKGROUND: In recent years, a substantial amount of experimental studies have demonstrated that exogenous administration of corticosterone causes anxiety and depressive-like behaviour in rodents which involves hypothalamic-pituitary-adrenal axis dysregulation. Our present study aimed to explore the neuroprotective potential of mangiferin against corticosterone-induced anxiety and depressive-like behaviour. METHODS: Corticosterone (40 mg/kg; subcutaneously) was administered once daily in swiss albino mice for 21 days...
April 12, 2017: Neurological Research
https://www.readbyqxmd.com/read/28398193/mitochondrial-involvement-in-memory-impairment-induced-by-scopolamine-in-rats
#9
Maylin Wong-Guerra, Javier Jiménez-Martin, Gilberto L Pardo-Andreu, Luis A Fonseca-Fonseca, Diogo O Souza, Adriano M de Assis, Jeney Ramirez-Sanchez, Roberto Menéndez-Soto Del Valle, Yanier Nuñez-Figueredo
OBJECTIVE: Scopolamine (SCO) administration to rats induces molecular features of AD and other dementias, including impaired cognition, increased oxidative stress, and imbalanced cholinergic transmission. Although mitochondrial dysfunction is involved in different types of dementias, its role in cognitive impairment induced by SCO has not been well elucidated. The aim of this work was to evaluate the in vivo effect of SCO on different brain mitochondrial parameters in rats to explore its neurotoxic mechanisms of action...
April 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28398146/protective-action-of-b1r-antagonist-against-cerebral-ischemia-reperfusion-injury-through-suppressing-mir-200c-expression-of-microglia-derived-microvesicles
#10
Min Tang, Ping Liu, Xia Li, Jian-Wen Wang, Xiong-Chao Zhu, Fang-Ping He
BACKGROUND AND OBJECTIVE: Cerebral ischemia-reperfusion (I/R) injury is a common side-effect for cerebral ischemic disease and its therapeutic regimen is limited. Kinin is pro-inflammatory peptide that is released and acts at the site of injury and inflammation such as brain and it works through bradykinin 1 receptor (B1R). The present study was to examine the effect of B1R antagonist on cerebral I/R injury and the potential mechanism. METHODS: Cerebral I/R injury was induced in mice by transient middle cerebral artery occlusion (MCAO)...
April 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28398139/the-association-between-high-on-treatment-platelet-reactivity-and-early-recurrence-of-ischemic-events-after-minor-stroke-or-tia
#11
Zilong Rao, Huaguang Zheng, Fei Wang, Anxin Wang, Liping Liu, Kehui Dong, Xingquan Zhao, Yilong Wang, Yibin Cao
OBJECTIVES: To evaluate the role of HTPR in predicting early recurrence of ischemic events in patients with minor ischemic stroke or high-risk TIA. METHODS: From January 2014 to September 2014, a single center continuously enrolled patients with minor ischemic stroke or high-risk TIA and gave them antiplatelet therapy consisting of aspirin with clopidogrel. HTPR was assessed by TEG after 7 days of antiplatelet therapy and detected CYP2C19 genotype. The incidence of recurrent ischemic events was assessed 3 months after onset...
April 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28393628/cerebral-watershed-infarcts-may-be-induced-by-hemodynamic-changes-in-blood-flow
#12
Jingfei Shi, Ran Meng, Sanjay Konakondla, Yuchuan Ding, Yunxia Duan, Di Wu, Bincheng Wang, Yinghao Luo, Xunming Ji
OBJECTIVES: A watershed infarct is defined as an ischemic lesion at the border zones between territories of two major arteries. The pathogenesis of watershed infarcts, specifically whether they are caused by hemodynamic or embolic mechanisms, has long been debated. In this study, we aimed to examine whether watershed infarcts can be induced by altering the hemodynamic conditions in rats. MATERIALS AND METHODS: In phase one, to determine the proper clamping duration for a reproducible infarct, 30 rats were equally divided into 5 subgroups and underwent bilateral common carotid artery (CCA) clamping for different durations (0...
April 9, 2017: Neurological Research
https://www.readbyqxmd.com/read/28393627/linking-senile-dementia-to-type-2-diabetes-role-of-oxidative-stress-markers-c-reactive-protein-and-tumor-necrosis-factor-%C3%AE
#13
Merhan Mamdouh Ragy, Nashwa Nabil Kamal
Diabetes is considered an independent risk factor for cognitive impairments. OBJECTIVES: The aim of this study was to evaluate the cognitive disorder of elderly outpatients with and without type 2 diabetes (T2DM) in releationto oxidative stress markers and some inflammatory markers Methodology: Two hundred and twelve participants were classified into four groups according to their fasting blood glucose level, glycosylated hemoglobin (HbA1c) and mini-mental state examination (MMSE) score...
April 9, 2017: Neurological Research
https://www.readbyqxmd.com/read/28385118/neuroprotective-effect-of-melatonin-on-soluble-a%C3%AE-1-42-induced-cortical-neurodegeneration-via-reelin-dab1-signaling-pathway
#14
Chunli Hu, Pan Wang, Shuman Zhang, Lili Ren, Yiheng Lv, Rui Yin, Jing Bi
OBJECTIVE: Soluble Aβ1-42 oligomers play a vital role in the development and pathogenesis of Alzheimer's disease (AD). Melatonin could delay the progress of AD through multiple mechanisms. Reelin-Dab1 signaling plays an important role in AD, including neuronal function and synaptic plasticity. However, whether melatonin could exert its neuroprotective function against soluble Aβ1-42-induced neurotoxicity during AD development through regulating Reelin-Dab1 signaling remains poorly understood...
April 7, 2017: Neurological Research
https://www.readbyqxmd.com/read/28378615/the-utility-of-fdg-pet-in-the-differential-diagnosis-of-parkinsonism
#15
Leposava Brajkovic, Vladimir Kostic, Dragana Sobic-Saranovic, Elka Stefanova, Milica Jecmenica-Lukic, Ana Jesic, Milica Stojiljkovic, Strahinja Odalovic, Francesca Gallivanone, Isabella Castiglioni, Branislava Radovic, Goran Trajkovic, Vera Artiko
INTRODUCTION: Differential diagnosis of parkinsonian disorders can be difficult on clinical grounds, especially in the early stage. Recent advancements in 18-F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging reveals different patterns of regional glucose metabolism in idiopathic Parkinson's disease (IPD) and atypical parkinsonian syndromes, such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS), which may help differentiating between these conditions...
April 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28372486/the-effect-of-il-1%C3%AE-on-synaptophysin-expression-and-electrophysiology-of-hippocampal-neurons-through-the-pi3k-akt-mtor-signaling-pathway-in-a-rat-model-of-mesial-temporal-lobe-epilepsy
#16
Zhaohua Xiao, Jing Peng, Liwen Wu, Ahmed Arafat, Fei Yin
BACKGROUND: The inflammation induced by interleukin-1β (IL-1β) is a critical factor in the pathogenesis of mesial temporal lobe epilepsy (MTLE). Synaptophysin (SYN) and other changes, including neuron electrophysiology, participate in the pathophysiological processes of MTLE. Phosphatidylinositol 3-kinase (PI3K)/Akt/ mammalian target of rapamycin (mTOR) signaling pathway may play a critical role in regulating SYN expression and electrophysiology of hippocampal neurons. METHODS: We used lithium-pilocarpine-treated rats as model of human MTLE, detecting epileptic seizures with digital video-EEG, and evaluating the proteins related to the PI3K/Akt/mTOR signaling pathway by western blot (WB)...
April 4, 2017: Neurological Research
https://www.readbyqxmd.com/read/28330425/taxane-derived-compounds-protect-sk-n-sh-cells-against-oxidative-stress-injury-induced-by-h2o2
#17
Ruisheng Duan, Xing Xing, Yachao Qi, Nan Yin, Hongyu Hao, Hongshan Chu, Ya Gao, Weiping Wang, Peiyuan Lv
OBJECTIVE: Discussed the protection of taxane-derived compounds, 7-deacetyl-taxine B and 5-cinnamoyloxy-taxin B, against oxidative stress injury. METHODS: SK-N-SH cells were pretreated with 7-deacetyl-taxine B, 5-cinnamoyloxy-taxin B or DMSO (control) and then incubated with H2O2 for another 24 h. Cell viability was measured by MTT colorimetric assay. Apoptosis rate, reactive oxygen species (ROS) and mitochondrial membrane potential (MMP) were detected using flow cytometry assay...
March 22, 2017: Neurological Research
https://www.readbyqxmd.com/read/28301972/efficacy-of-transsphenoidal-surgery-in-achieving-biochemical-cure-of-growth-hormone-secreting-pituitary-adenomas-among-patients-with-cavernous-sinus-invasion-a-systematic-review-and-meta-analysis
#18
Vanessa Briceno, Hasan A Zaidi, Joanne A Doucette, Kaho B Onomichi, Amer Alreshidi, Rania A Mekary, Timothy R Smith
OBJECTIVES: Growth hormone-secreting pituitary adenomas in adults can result in severe craniofacial disfigurement and potentially fatal medical complications. Surgical resection leading to remission of the disease is dependent on complete surgical resection of the tumor. Lesions that invade the cavernous sinus may not be safely accessible via an endonasal transsphenoidal surgery (TSS), and the rates of biochemical remission of patients with residual disease vary widely in the literature...
March 16, 2017: Neurological Research
https://www.readbyqxmd.com/read/28290236/efficacy-of-cilostazol-based-dual-antiplatelet-treatment-in-patients-undergoing-carotid-artery-stenting
#19
Ichiro Nakagawa, Hun Soo Park, Takeshi Wada, Shohei Yokoyama, Syuichi Yamada, Yasushi Motoyama, Kimihiko Kichikawa, Hiroyuki Nakase
BACKGROUND: It is essential that patients undergoing carotid artery stenting (CAS) receive optimal antiplatelet inhibition. Although a reduction in platelet reactivity and improved clinical outcomes occur when using adjunctive cilostazol with dual antiplatelet therapy, this can lead to an increased risk of hemorrhagic complications. Therefore, our current study examined patients undergoing CAS and evaluated the impact of cilostazol-based dual antiplatelet treatment on the outcomes. METHODS: Between 2010 and 2015, 137 consecutive patients underwent CAS...
March 14, 2017: Neurological Research
https://www.readbyqxmd.com/read/28287042/impact-of-crp-gene-and-additional-gene-smoking-interaction-on-ischemic-stroke-in-a-chinese-han-population
#20
Zhenggang Wu, Yujing Huang, Jing Huang, Lin Fan
AIMS: To investigate the association of C-reactive protein (CRP) gene single nucleotide polymorphisms (SNPs), additional gene-gene, and gene-smoking interaction with ischemic stroke (IS) risk. METHODS: Logistic regression is performed to investigate association between SNPs within CRP gene and IS risk. Generalized multifactor dimensionality reduction (GMDR) was used to analyze the gene-gene and gene-smoking interaction, cross-validation consistency, the testing balanced accuracy and the sign test were calculated...
March 13, 2017: Neurological Research
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