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https://www.readbyqxmd.com/read/28227624/relationship-between-gait-variables-and-domains-of-neurologic-dysfunction-in-multiple-sclerosis-using-six-minute-walk-test
#1
Asma Qureshi, Maite Brandt-Pearce, Myla D Goldman, Asma Qureshi, Maite Brandt-Pearce, Myla D Goldman, Asma Qureshi, Myla D Goldman, Maite Brandt-Pearce
Most multiple sclerosis (MS) patients eventually suffer from mobility impairment, and thus it is critical that walking disability in MS be accurately assessed. The six-minute walk test (6MWT), a reliable MS measure, is traditionally used to determine the distance covered in six minutes using a standard protocol. With the availability of body sensor networks (BSNs), researchers are interested in leveraging BSN data for finding new gait assessment anchors for improved separability performance. Further, current methods for gait assessments are insufficient since assessments are absolute, performed by comparing outcomes to the statistical norms established from diverse patient data despite natural inter-patient variability...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227399/functional-connectivity-analysis-using-whole-brain-and-regional-network-metrics-in-ms-patients
#2
V C Chirumamilla, V Fleischer, A Droby, T Anjum, M Muthuraman, F Zipp, S Groppa, V C Chirumamilla, V Fleischer, A Droby, T Anjum, M Muthuraman, F Zipp, S Groppa, A Droby, S Groppa, F Zipp, V C Chirumamilla, T Anjum, V Fleischer, M Muthuraman
In the present study we investigated brain network connectivity differences between patients with relapsing-remitting multiple sclerosis (RRMS) and healthy controls (HC) as derived from functional resonance magnetic imaging (fMRI) using graph theory. Resting state fMRI data of 18 RRMS patients (12 female, mean age ± SD: 42 ± 12.06 years) and 25 HC (8 female, 29.2 ± 5.38 years) were analyzed. In order to obtain information of differences in entire brain network, we focused on both, local and global network connectivity parameters...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226699/estimating-multimodal-brain-connectivity-in-multiple-sclerosis-an-exploratory-factor-analysis
#3
Matteo Mancini, Giovanni Giulietti, Barbara Spano, Marco Bozzali, Mara Cercignani, Silvia Conforto, Matteo Mancini, Giovanni Giulietti, Barbara Spano, Marco Bozzali, Mara Cercignani, Silvia Conforto, Giovanni Giulietti, Mara Cercignani, Silvia Conforto, Matteo Mancini, Barbara Spano, Marco Bozzali
Graph-theoretical approaches have become a popular way to model brain data collected using magnetic resonance imaging (MRI), both from the structural and the functional perspectives. In structural networks, tract-based mapping allows to model different aspects of brain structures by means of the specific characteristics of the different MRI modalities. However, there has been little effort to join the information carried by each modality and to understand what level of common variance is shown in these data...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226605/semi-automated-image-analysis-of-gel-electrophoresis-of-cerebrospinal-fluid-for-oligoclonal-band-detection
#4
S Boudet, L Peyrodie, Z Wang, G Forzy, S Boudet, L Peyrodie, Z Wang, G Forzy, Z Wang, L Peyrodie, S Boudet, G Forzy
Detection of oligoclonal electrophoretic bands in cerebrospinal fluid (CSF) is an important diagnostic tool for Multiple Sclerosis (MS). Electrophoretic profiles are difficult to interpret due to low contrast and artefacts. A semi-automated method to ease analysis and to reduce subjectivity is presented. The method sequentially converts color images to grayscale, realigns bands, removes artifacts, then converts 2D images to a signal, before detecting, thresholding and editing peaks to optimize profiles. Such treated profiles (21 positive and 15 negative) are compared to ground truth analysis of an expert biologist...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225274/a-rational-design-of-a-selective-inhibitor-for-kv1-1-channels-prevalent-in-demyelinated-nerves-that-improves-their-impaired-axonal-conduction
#5
Ahmed Al-Sabi, Declan Daly, Patrick Hoefer, Gemma K Kinsella, Charles P E Metais, Mark Pickering, Caroline Herron, Seshu Kumar Kaza, Kieran J Nolan, J Oliver Dolly
K(+) channels containing Kv1.1 α subunits, which become prevalent at internodes in demyelinated axons, may underlie their dysfunctional conduction akin to muscle weakness in multiple sclerosis. Small inhibitors were sought with selectivity for the culpable hyper-polarising K(+) currents. Modelling of interactions with the extracellular pore in a Kv1.1 deduced-structure identified a diaryldi-(2-pyrrolyl)methane (DPM) as a suitable scaffold, with optimised alkyl ammonium side chains. The resultant synthesised candidate [2,2'-((5,5'(di-p-topyldiaryldi-(2-pyrrolyl)methane)bis(2,2'carbonyl)bis (azanediyl)) diethaneamine...
February 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28225235/-multiple-sclerosis-a-mitochondria-mediated-disease
#6
Kristin N Varhaug, Christian A Vedeler, Charalampos Tzoulis, Laurence A Bindoff
BACKGROUND Mitochondria play an important role in the pathogenesis of various neurodegenerative disorders, including Parkinson's disease. Neurodegenerative changes occur early in the course of multiple sclerosis (MS). This article aims to present information on a possible association between mitochondrial dysfunction and multiple sclerosis.MATERIAL AND METHOD The article is based on original and review articles selected following a literature search in PubMed, restricted to articles written in English, and concluded in May 2016...
February 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28225209/association-of-the-il-10-receptor-a536g-s138g-loss-of-function-variant-with-multiple-sclerosis-in-tunisian-patients
#7
Nadia Ben Fredj, Mouna Aissi, Walid Ben Selma, Imen Mahmoud, Faten Nefzi, Mahbouba Frih-Ayed, Jalel Boukadida, Mahjoub Aouni
Interleukin-10 (IL-10), a potent anti-inflammatory T-cell cytokine, has been shown to be a regulatory cytokine that is associated with disease remission in multiple sclerosis (MS) and exerts its activity through its cognate cell surface receptor complex, IL-10 receptor 1 (IL-10R1) and IL-10R2. The purpose of this study was to investigate the IL-10R1 S138G loss-of-function polymorphism (A536G: rs3135932) for possible influence on susceptibility and outcome of MS in Tunisian patients. A total of 103 Tunisian MS patients and 160 control subjects were studied...
February 22, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28225155/remotely-supervised-transcranial-direct-current-stimulation-increases-the-benefit-of-at-home-cognitive-training-in-multiple-sclerosis
#8
Leigh Charvet, Michael Shaw, Bryan Dobbs, Ariana Frontario, Kathleen Sherman, Marom Bikson, Abhishek Datta, Lauren Krupp, Esmail Zeinapour, Margaret Kasschau
OBJECTIVE: To explore the efficacy of remotely-supervised transcranial direct current stimulation (RS-tDCS) paired with cognitive training (CT) exercise in participants with multiple sclerosis (MS). METHODS: In a feasibility study of RS-tDCS in MS, participants completed ten sessions of tDCS paired with CT (1.5 mA × 20 min, dorsolateral prefrontal cortex montage). RS-tDCS participants were compared to a control group of adults with MS who underwent ten 20-min CT sessions through the same remotely supervised procedures...
February 22, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28224237/attempts-to-overcome-remyelination-failure-toward-opening-new-therapeutic-avenues-for-multiple-sclerosis
#9
REVIEW
Mahsa Motavaf, Majid Sadeghizadeh, Mohammad Javan
Multiple sclerosis (MS) is a chronic immune-mediated disorder of the central nervous system that results in destruction of the myelin sheath wrapped around the axons and eventual axon degeneration. The disease is pathologically heterogeneous; however, perhaps its most frustrating aspect is the lack of efficient regenerative response for remyelination. Current treatment strategies are based on anti-inflammatory or immunomodulatory medications that have the potential to reduce the numbers of newly evolving lesions...
February 21, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28223806/efficacy-of-a-short-cognitive-training-program-in-patients-with-multiple-sclerosis
#10
María Yaiza Pérez-Martín, Montserrat González-Platas, Pablo Eguía-Del Río, Cristina Croissier-Elías, Alejandro Jiménez Sosa
BACKGROUND: Cognitive impairment is a common feature in multiple sclerosis (MS) and may have a substantial impact on quality of life. Evidence about the effectiveness of neuropsychological rehabilitation is still limited, but current data suggest that computer-assisted cognitive training improves cognitive performance. OBJECTIVE: The objective of this study was to evaluate the efficacy of combined computer-assisted training supported by home-based neuropsychological training to improve attention, processing speed, memory and executive functions during 3 consecutive months...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28223679/synthesis-and-ability-of-new-ligands-for-g-protein-coupled-receptors-17-gpr17
#11
Tongyou Zhuo, Shengxue Zhou, Wei Zhang, Catia Lambertucci, Rosaria Volpini
GPR17 is believed to be a novel target for the development of new therapeutic approaches to human stroke and multiple sclerosis. Hence, the selection of GPR17 ligands may be a potent way to reduce the progression of ischemic damage. New potential ligands for GPR17, mono-, di-, and triphosphate adenosine nucleotides substituted at N6-position with a methyl and a cyclopentyl group were synthesized. The ability of new ligands to bind GPR17 was evaluated using frontal affinity chromatography-mass spectrometry (FAC-MS) method...
February 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28222766/increased-cortical-lesion-load-and-intrathecal-inflammation-is-associated-with-oligoclonal-bands-in-multiple-sclerosis-patients-a-combined-csf-and-mri-study
#12
Gabriele Farina, Roberta Magliozzi, Marco Pitteri, Richard Reynolds, Stefania Rossi, Alberto Gajofatto, Maria Donata Benedetti, Francesco Facchiano, Salvatore Monaco, Massimiliano Calabrese
BACKGROUND: Although IgG oligoclonal bands (OCBs) in the cerebrospinal fluid (CSF) are a frequent phenomenon in multiple sclerosis (MS) patients, their relationship with grey matter lesions, intrathecal/meningeal inflammation and clinical evolution has not been clarified yet. The aim of our study was to assess the relationship between the OCBs, the inflammatory/neurodegenerative CSF profile at diagnosis, the cortical lesion load and the clinical evolution after 10 years. METHODS: This is a 10-year observational, cross-sectional study based on a combined MRI, cognitive and CSF profiling of the examined patients...
February 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28222549/gait-and-balance-deterioration-over-a-12-month-period-in-multiple-sclerosis-patients-with-edss-scores-%C3%A2-3-0
#13
Mary P Galea, L Eduardo Cofré Lizama, Helmut Butzkueven, Trevor J Kilpatrick
BACKGROUND AND PURPOSE: It is not currently known whether gait and balance measures are responsive to deterioration of motor function in multiple sclerosis (MS) patients with low EDSS scores (≤3.0). The aim of this study was to quantify MS-related gait and balance deterioration over a 12-month period. METHODS: Thirty-eight participants with MS (33 female, mean age: 41.1 ± 8.3 years), mean time since diagnosis 2.2 ± 4.1 years, EDSS score ≤3.0 and without clinical evidence of gait deterioration, were recruited...
February 6, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222370/increased-postural-sway-in-persons-with-multiple-sclerosis-during-short-term-exposure-to-warm-ambient-temperatures
#14
Paula Y S Poh, Amy N Adams, Mu Huang, Dustin R Allen, Scott L Davis, Anna S Tseng, Craig G Crandall
BACKGROUND: Multiple sclerosis (MS) is a neurological disease marked by demyelination and axonal loss. Individuals with MS experience increases in clinical signs and symptoms during heat exposure. OBJECTIVE: To test the hypothesis that moderate heat exposure adversely affects postural sway in individuals with MS. METHODS: Ten individuals with relapsing-remitting MS (50±8y) and nine controls (47±10y) were examined under a Thermal and a Time Control trial...
February 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28222202/tsc1-and-tsc2-gene-mutations-and-their-implications-for-treatment-in-tuberous-sclerosis-complex-a-review
#15
Clévia Rosset, Cristina Brinckmann Oliveira Netto, Patricia Ashton-Prolla
Tuberous sclerosis complex is an autosomal dominant disorder characterized by skin manifestations and formation of multiple tumors in different organs, mainly in the central nervous system. Tuberous sclerosis is caused by the mutation of one of two tumor suppressor genes, TSC1 or TSC2. Currently, the development of novel techniques and great advances in high-throughput genetic analysis made mutation screening of the TSC1 and TSC2 genes more widely available. Extensive studies of the TSC1 and TSC2 genes in patients with TSC worldwide have revealed a wide spectrum of mutations...
February 20, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28222020/high-dose-biotin-therapy-leading-to-false-biochemical-endocrine-profiles-validation-of-a-simple-method-to-overcome-biotin-interference
#16
Marie-Liesse Piketty, Dominique Prie, Frederic Sedel, Delphine Bernard, Claude Hercend, Philippe Chanson, Jean-Claude Souberbielle
BACKGROUND: High-dose biotin therapy is beneficial in progressive multiple sclerosis (MS) and is expected to be adopted by a large number of patients. Biotin therapy leads to analytical interference in many immunoassays that utilize streptavidin-biotin capture techniques, yielding skewed results that can mimic various endocrine disorders. We aimed at exploring this interference, to be able to remove biotin and avoid misleading results. METHODS: We measured free triiodothyronine (fT3), free thyroxine (fT4), thyroid-stimulating hormone (TSH), parathyroid homrone (PTH), 25-hydroxyvitamin D (25OHD), follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin, C-peptide, cortisol (Roche Diagnostics assays), biotin and its main metabolites (liquid chromatography tandem mass spectrometry) in 23 plasmas from MS patients and healthy volunteers receiving high-dose biotin, and in 39 biotin-unsupplemented patients, before and after a simple procedure (designated N5) designed to remove biotin by means of streptavidin-coated microparticles...
February 21, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28220601/multiple-sclerosis-and-nephrolithiasis-a-matched-case-comparative-study
#17
Vishnu Ganesan, Wen Min Chen, Rajat Jain, Shubha De, Manoj Monga
OBJECTIVE: To compare stone composition and serum/urine biochemistries in stone formers with multiple sclerosis (MS) against stone formers without MS and to examine the association between mobility, methods of bladder emptying, and stone formation. MATERIALS AND METHODS: In this retrospective case-control study, we identified patients diagnosed with multiple sclerosis and kidney stone disease who were seen at our institution between 2001 and 2016. For the first part of the study, up to 2 controls (stone formers without a history of MS) were identified for each case and matched on age, body mass index (BMI), and sex...
February 20, 2017: BJU International
https://www.readbyqxmd.com/read/28220581/effect-of-organizational-features-on-patient-satisfaction-with-care-in-italian-multiple-sclerosis-centres
#18
K Mattarozzi, E Baldin, C Zenesini, A Solari, M P Amato, M Leone, G Mancardi, V Martinelli, G Savettieri, C Solaro, M R Tola, R D'Alessandro
BACKGROUND AND PURPOSE: Receiving clear, complete and up-to-date information and having a satisfying relationship with the health professional (HP) are of primary importance for MS patients. Healthcare organization plays a key role in promoting an effective relationship and communication between patients and HPs. The present study aims to explore which care organization and service characteristics provided by Italian MS centres best predict patients' satisfaction with healthcare. METHODS: Eighty-one centres and 707 patients (502 women, mean age 40...
February 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28220542/the-gut-microbiome-in-human-neurological-disease-a-review
#19
REVIEW
Helen Tremlett, Kylynda C Bauer, Silke Appel-Cresswell, Brett B Finlay, Emmanuelle Waubant
Almost half the cells and 1% of the unique genes found in our bodies are human, the rest are from microbes; predominantly bacteria, archaea, fungi, and viruses. These microorganisms collectively form the human microbiota, with most colonizing the gut. Recent technological advances, open access data-libraries, and application of high throughput sequencing have allowed these microbes to be identified and their contribution to neurological health examined. Emerging evidence links perturbations in the gut microbiota to neurological disease, including disease risk, activity, and progression...
February 21, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28220288/social-cognition-according-to-cognitive-impairment-in-different-clinical-phenotypes-of-multiple-sclerosis
#20
Cecile Dulau, Mathilde Deloire, Helene Diaz, Aurore Saubusse, Julie Charre-Morin, Antoinette Prouteau, Bruno Brochet
The objective of this study is to evaluate the relationship between social cognition (SC) and cognitive impairment in persons with multiple sclerosis (PwMS). A prospective study was conducted in 60 PwMS, 30 with relapsing-remitting MS (RRMS), 15 with secondary progressive MS (SPMS) and 15 with primary progressive MS (PPMS), and in healthy subjects (HS). All subjects were assessed by the Bordeaux Social Cognition Evaluation Protocol (PECS-B) (facial emotion recognition, theory of mind, emotional awareness and cognitive and affective alexithymia), by a large neuropsychological battery and by questionnaires (depression and anxiety)...
February 20, 2017: Journal of Neurology
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