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https://www.readbyqxmd.com/read/29198499/markers-of-impaired-motor-and-cognitive-volition-in-parkinson-s-disease-correlates-of-dopamine-dysregulation-syndrome-impulse-control-disorder-and-dyskinesias
#1
Jared T Hinkle, Kate Perepezko, Liana S Rosenthal, Kelly A Mills, Alexander Pantelyat, Zoltan Mari, Laura Tochen, Jee Yun Bang, Medha Gudavalli, Nadine Yoritomo, Ankur Butala, Catherine C Bakker, Vanessa Johnson, Emile Moukheiber, Ted M Dawson, Gregory M Pontone
INTRODUCTION: Dopaminergic therapy in Parkinson's disease (PD) can be associated with both motoric (e.g., dyskinesias) and neuropsychiatric adverse effects. Examples of the latter include Dopamine Dysregulation Syndrome (DDS) and impulse control disorder (ICD), which are separate but related behavioral/psychiatric complications of treatment in PD. Dysregulation of volition characterizes both dyskinesias and DDS/ICD; thus, we analyzed potential disease-related correlates in a large PD cohort...
November 21, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29182448/cerebrospinal-fluid-cytokine-expression-profile-in-multiple-sclerosis-and-chronic-inflammatory-demyelinating-polyneuropathy
#2
Serena Bonin, Nunzia Zanotta, Arianna Sartori, Alessio Bratina, Paolo Manganotti, Giusto Trevisan, Manola Comar
BACKGROUND: Cerebrospinal fluid (CSF) analysis in patients with particular neurologic disorders is a powerful tool to evaluate specific central nervous system inflammatory markers for diagnostic needs, because CSF represents the specific immune micro-environment to the central nervous system. METHODS: CSF samples from 49 patients with multiple sclerosis (MS), chronic inflammatory demyelinating polyneuropathy (CIDP), and non-inflammatory neurologic disorders (NIND) as controls were submitted to protein expression profiles of 47 inflammatory biomarkers by multiplex Luminex bead assay to investigate possible differences in the inflammatory process for MS and CIDP...
November 28, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/29177465/aminoglycoside-mediated-promotion-of-translation-readthrough-occurs-through-a-non-stochastic-mechanism-that-competes-with-translation-termination
#3
H M Chowdhury, M A Siddiqui, S Kanneganti, N Sharmin, M W Chowdhury, Talat Nasim
Attempts have been made to treat nonsense-associated genetic disorders by chemical agents and hence an improved mechanistic insight into the decoding of readthrough signals is essential for the identification and characterisation of factors for the treatment of these disorders. To identify either novel compounds or genes that modulate translation readthrough, we have employed dual reporter-based high-throughput screens that use enzymatic and fluorescence activities and screened bio-active NINDS compounds (n = 1000) and siRNA (n = 288) libraries...
November 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29172850/study-on-epidemiology-of-cognitive-dysfunction-after-stroke-in-the-population-over-the-age-of-45-in-inner-mongolia
#4
Chunyu Zhang, Yan Zhe, Tian Lan, Baolige Hu, Guohua Zhang, Juan He, Zhiguang Wang, Mingfang Wang, Riletemuer Hu
OBJECTIVE: To analyze the prevalence of different degrees vascular cognitive impairment (VCI) in stroke and the characteristics of demography distribution in Inner Mongolia. In order to provide reference data and theoretical guidance for the prevention and treatment of VCI after stroke in the area. METHODS: Stratified multi-stage random sampling was used to extract 6 regions of Inner Mongolia as the first sampling cluster; and then the corresponding banners (counties) were selected randomly as the secondary sampling cluster; according to the number of patient required to investigation, the corresponding number of communities was randomly selected from the secondary sampling cluster...
November 27, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29159985/synthesized-tissue-equivalent-dielectric-phantoms-using-salt-and-polyvinylpyrrolidone-solutions
#5
Carlotta Ianniello, Jacco A de Zwart, Qi Duan, Cem M Deniz, Leeor Alon, Jae-Seung Lee, Riccardo Lattanzi, Ryan Brown
PURPOSE: To explore the use of polyvinylpyrrolidone (PVP) for simulated materials with tissue-equivalent dielectric properties. METHODS: PVP and salt were used to control, respectively, relative permittivity and electrical conductivity in a collection of 63 samples with a range of solute concentrations. Their dielectric properties were measured with a commercial probe and fitted to a 3D polynomial in order to establish an empirical recipe. The material's thermal properties and MR spectra were measured...
November 20, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29149772/natural-history-of-infantile-onset-spinal-muscular-atrophy
#6
Stephen J Kolb, Christopher S Coffey, Jon W Yankey, Kristin Krosschell, W David Arnold, Seward B Rutkove, Kathryn J Swoboda, Sandra P Reyna, Ai Sakonju, Basil T Darras, Richard Shell, Nancy Kuntz, Diana Castro, Julie Parsons, Anne M Connolly, Claudia A Chiriboga, Craig McDonald, W Bryan Burnette, Klaus Werner, Mathula Thangarajh, Perry B Shieh, Erika Finanger, Merit E Cudkowicz, Michelle M McGovern, D Elizabeth McNeil, Richard Finkel, Susan T Iannaccone, Edward Kaye, Allison Kingsley, Samantha R Renusch, Vicki L McGovern, Xueqian Wang, Phillip G Zaworski, Thomas W Prior, Arthur H M Burghes, Amy Bartlett, John T Kissel
OBJECTIVE: Infantile-onset spinal muscular atrophy (SMA) is the most common genetic cause of infant mortality, typically resulting in death prior to age 2. Clinical trials in this population require an understanding of disease progression and identification of meaningful biomarkers to hasten therapeutic development and predict outcomes. METHODS: A longitudinal, multi-center, prospective natural history study enrolled 26 SMA infants, and 27 control infants less than six months of age...
November 17, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29132229/hyperbaric-oxygen-therapy-in-the-treatment-of-acute-severe-traumatic-brain-injury-a-systematic-review
#7
Samuel Daly, Maxwell Thorpe, Sarah B Rockswold, Molly Hubbard, Thomas A Bergman, Uzma Samadani, Gaylan Rockswold
There has been no major advancement in a quarter of a century for the treatment of acute severe traumatic brain injury (TBI). This review summarizes 40 years of clinical and pre-clinical research on the treatment of acute TBI with hyperbaric oxygen therapy (HBO2) in the context of an impending National Institute of Neurologic Disorders and Stroke (NINDS)-funded, multicenter, randomized, adaptive Phase II clinical trial - the Hyperbaric Oxygen Brain Injury Treatment (HOBIT) trial. Thirty studies (8 clinical and 22 pre-clinical) that administered HBO2 within 30 days of a TBI were identified from PubMed searches...
November 13, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29111341/low-dose-tissue-plasminogen-activator-in-acute-ischemic-stroke-a-systematic-review-and-meta-analysis
#8
Ji-Wei Cheng, Xiao-Jing Zhang, Li-Shan Cheng, Guo-Yi Li, Li-Jun Zhang, Kang-Xiang Ji, Qing Zhao, Yu Bai
BACKGROUND: Intravenous thrombolysis using tissue plasminogen activator (tPA) improves significantly the neurologic function in patients with acute ischemic stroke (AIS). However, it brings financial burden to patients and is associated with symptomatic intracranial hemorrhage (SICH). Whether low-dose tPA can effectively reduce SICH and has the same efficacy as standard-dose tPA is still controversial. METHODS: We searched for English clinical trials published before March, 2017on the comparison of the efficacy and safety between low and standard dose of tPA in the treatment of AIS using MEDLINE, Embase, and Cochrane Library...
October 27, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29105904/predictors-of-symptomatic-intracranial-hemorrhage-in-off-label-thrombolysis-an-analysis-of-the-sits-registry
#9
Sibu Mundiyanapurath, Katharina Hees, Niaz Ahmed, Nils Wahlgren, Lorenz Uhlmann, Meinhard Kieser, Peter Arthur Ringleb, Werner Hacke, Simon Nagel
BACKGROUND: Intravenous thrombolysis is the only approved pharmacological treatment for acute ischemic stroke. Off-label intravenous thrombolysis for ischemic stroke is common. We aimed to analyse its safety in a large database. METHODS: Retrospective analysis of the SITS thrombolysis registry regarding 11 off-label criteria according to the European license for alteplase. Symptomatic intracranial haemorrhage (SICH) according to SITS was defined as primary safety endpoint and SICH according to the ECASS II definition and the NINDS definition as secondary safety endpoints...
November 6, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29105074/common-data-elements-for-preclinical-epilepsy-research-standards-for-data-collection-and-reporting-a-task3-report-of-the-aes-ilae-translational-task-force-of-the-ilae
#10
Lauren C Harte-Hargrove, Jacqueline A French, Asla Pitkänen, Aristea S Galanopoulou, Vicky Whittemore, Helen E Scharfman
The major objective of preclinical translational epilepsy research is to advance laboratory findings toward clinical application by testing potential treatments in animal models of seizures and epilepsy. Recently there has been a focus on the failure of preclinical discoveries to translate reliably, or even to be reproduced in different laboratories. One potential cause is a lack of standardization in preclinical data collection. The resulting difficulties in comparing data across studies have led to high cost and missed opportunity, which in turn impede clinical trials and advances in medical care...
November 2017: Epilepsia
https://www.readbyqxmd.com/read/29103052/increasing-efficiency-of-recruitment-in-early-parkinson-s-disease-trials-a-case-study-examination-of-the-steady-pd-iii-trial
#11
Sarah Berk, Brittany L Greco, Kevin Biglan, Catherine M Kopil, Robert G Holloway, Claire Meunier, Tanya Simuni
BACKGROUND: Challenges in clinical trial recruitment threaten the successful development of improved therapies. This is particularly true in Parkinson's disease (PD) studies of disease modification where the population of interest is difficult to find and study design is more complex. OBJECTIVE: This paper seeks to understand how STEADY PD III, a National Institute of Neurological Disorders and Stroke (NINDS) funded phase 3 trial evaluating the efficacy of isradipine as a disease modifying agent for PD, was able to recruit their full target population 6 months ahead of schedule...
2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/29073195/comparison-of-multistate-markov-modeling-with-contemporary-outcomes-in-a-reanalysis-of-the-ninds-tissue-plasminogen-activator-for-acute-ischemic-stroke-treatment-trial
#12
Christy Cassarly, Renee' H Martin, Marc Chimowitz, Edsel A Peña, Viswanathan Ramakrishnan, Yuko Y Palesch
Historically, ordinal measures of functional outcome have been dichotomized for the primary analysis in acute stroke therapy trials. A number of alternative methods to analyze the ordinal scales have been proposed, with an emphasis on maintaining the ordinal structure as much as possible. In addition, despite the availability of longitudinal outcome data in many trials, the primary analysis consists of a single endpoint. Inclusion of information about the course of disease progression allows for a more complete understanding of the treatment effect...
2017: PloS One
https://www.readbyqxmd.com/read/29021777/circulating-cholesterol-levels-may-link-to-the-factors-influencing-parkinson-s-risk
#13
Lijun Zhang, Xue Wang, Ming Wang, Nick W Sterling, Guangwei Du, Mechelle M Lewis, Tao Yao, Richard B Mailman, Runze Li, Xuemei Huang
OBJECTIVES: A growing literature suggests that circulating cholesterol levels have been associated with Parkinson's disease (PD). In this study, we investigated a possible causal basis for the cholesterol-PD link. METHODS: Fasting plasma cholesterol levels were obtained from 91 PD and 70 age- and gender-matched controls from an NINDS PD Biomarkers Program cohort at the Pennsylvania State University College of Medicine. Based on the literature, genetic polymorphisms in selected cholesterol management genes (APOE, LDLR, LRP1, and LRPAP1) were chosen as confounding variables because they may influence both cholesterol levels and PD risk...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28991699/microglial-macrophage-markers-chi3l1-scd14-and-scd163-in-csf-and-serum-of-pediatric-inflammatory-and-non-inflammatory-neurological-disorders-a-case-control-study-and-reference-ranges
#14
Michael R Pranzatelli, Elizabeth D Tate, Nathan R McGee
OBJECTIVE: To assess the role of microglia and macrophages in neuroinflammatory disorders in children via biomarkers, and establish control reference ranges. METHODS: In an IRB-approved case-control study of 98 children, the concentrations of CSF/serum CHI3L1, sCD14, and sCD163 were measured by ELISA. Groups were controls (non-inflammatory neurological disorders, NIND, n=37), opsoclonus-myoclonus syndrome (OMS, n=37), and other inflammatory neurological disorders (OIND, n=24)...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28980613/-cognitive-impairment-and-compliance-in-chronic-heart-failure
#15
M V Shestakova, A F Vasilenko, M I Karpova, E A Grigoricheva, N V Epaneshnikova, I V Kochetkov
AIM: To determine the factors of cognitive impairment and non-compliance in patients with chronic heart failure (CHF). MATERIAL AND METHODS: One hundred and fifty-seven patients with CHF and 32 patients without chronic heart failure (controls) were examined. Neuropsychological assessment using a 30-minutes protocol recommended by NINDS-Canadian Stroke Standards (NINDS CSS), magnetic resonance imaging, cognitive ERP and a test of compliance were used. RESULTS AND CONCLUSION: Approximately 62% of patients did not perform medical prescriptions...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28969386/genetic-variants-influencing-elevated-myeloperoxidase-levels-increase-risk-of-stroke
#16
Chia-Ling Phuah, Tushar Dave, Rainer Malik, Miriam R Raffeld, Alison M Ayres, Joshua N Goldstein, Anand Viswanathan, Steven M Greenberg, Jeremiasz M Jagiella, Björn M Hansen, Bo Norrving, Jordi Jimenez-Conde, Jaume Roquer, Alexander Pichler, Christian Enzinger, Joan Montaner, Israel Fernandez-Cadenas, Arne Lindgren, Agnieszka Slowik, Reinhold Schmidt, Alessandro Biffi, Natalia Rost, Carl D Langefeld, Hugh S Markus, Braxton D Mitchell, Brad B Worrall, Steven J Kittner, Daniel Woo, Martin Dichgans, Jonathan Rosand, Christopher D Anderson
Primary intracerebral haemorrhage and lacunar ischaemic stroke are acute manifestations of progressive cerebral microvascular disease. Current paradigms suggest atherosclerosis is a chronic, dynamic, inflammatory condition precipitated in response to endothelial injury from various environmental challenges. Myeloperoxidase plays a central role in initiation and progression of vascular inflammation, but prior studies linking myeloperoxidase with stroke risk have been inconclusive. We hypothesized that genetic determinants of myeloperoxidase levels influence the development of vascular instability, leading to increased primary intracerebral haemorrhage and lacunar stroke risk...
October 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28968607/abbreviation-of-the-follow-up-nih-stroke-scale-using-factor-analysis
#17
Syed Ali Raza, Michael R Frankel, Srikant Rangaraju
BACKGROUND: The NIH Stroke Scale (NIHSS) is a 15-item measure of stroke-related neurologic deficits that, when measured at 24 h, is highly predictive of long-term functional outcome. We hypothesized that a simplified 24-h scale that incorporates the most predictive components of the NIHSS can retain prognostic accuracy and have improved interrater reliability. METHODS: In a post hoc analysis of the Interventional Management of Stroke-3 (IMS-3) trial, we performed principal component (PC) analysis to resolve the 24-h NIHSS into PCs...
October 2, 2017: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/28946857/predicting-the-multi-domain-progression-of-parkinson-s-disease-a-bayesian-multivariate-generalized-linear-mixed-effect-model
#18
Ming Wang, Zheng Li, Eun Young Lee, Mechelle M Lewis, Lijun Zhang, Nicholas W Sterling, Daymond Wagner, Paul Eslinger, Guangwei Du, Xuemei Huang
BACKGROUND: It is challenging for current statistical models to predict clinical progression of Parkinson's disease (PD) because of the involvement of multi-domains and longitudinal data. METHODS: Past univariate longitudinal or multivariate analyses from cross-sectional trials have limited power to predict individual outcomes or a single moment. The multivariate generalized linear mixed-effect model (GLMM) under the Bayesian framework was proposed to study multi-domain longitudinal outcomes obtained at baseline, 18-, and 36-month...
September 25, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28922363/predictors-of-post-thrombolysis-symptomatic-intracranial-hemorrhage-in-chinese-patients-with-acute-ischemic-stroke
#19
Mingyong Liu, Yuesong Pan, Lichun Zhou, Yongjun Wang
BACKGROUND AND PURPOSE: Predictors of symptomatic intracranial hemorrhage (sICH) in Chinese patients with acute ischemic stroke treated with recombinant tissue plasminogen activator remain unclear. METHODS: Data from the Thrombolysis Implementation and Monitor of Acute Ischemic Stroke in China (TIMS-China) study were assessed to explore risk factors for symptomatic intracranial hemorrhage after intravenous thrombolysis. Three candidate sICH definitions were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28738904/increased-interleukin-27-cytokine-expression-in-the-central-nervous-system-of-multiple-sclerosis-patients
#20
Patrice H Lalive, Mario Kreutzfeldt, Odile Devergne, Imke Metz, Wolfgang Bruck, Doron Merkler, Caroline Pot
BACKGROUND: Multiple sclerosis (MS) is an autoimmune disorder characterized by chronic inflammation, demyelination, and neuronal damage. During autoimmunity, cytokines are important mediators of the inflammation. In this line, interleukin-27 (IL-27) modulates inflammation and can be produced directly at inflammatory sites such as in the joints during rheumatoid arthritis or in the central nervous system (CNS) during MS. While in animal models of MS, treatment with IL-27 decreases the disease severity, its role in humans is not clearly established and it is not known if IL-27 could be detected in the cerebrospinal fluid (CSF) of MS patients...
July 24, 2017: Journal of Neuroinflammation
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