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https://www.readbyqxmd.com/read/28735370/gait-and-cognitive-impairments-in-multiple-sclerosis-the-specific-contribution-of-falls-and-fear-of-falling
#1
Alon Kalron, Gilles Allali
Our goal was to identify the specific contribution of fear of falling (FoF) and falls with quantitative gait impairments and cognition capabilities in multiple sclerosis (MS) patients. Patients were separated into four individual subgroups as to the presence of FoF and falls (i.e., fearless/non-fallers, fearless/fallers, FoF/non-fallers and FoF/fallers). The Falls Efficacy Scale International questionnaire was used to assess the level of concern of falling. Participants were defined as "fallers" and "non-fallers" based on their fall history...
July 22, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28734998/oxidative-stress-with-tau-hyperphosphorylation-in-memory-impaired-1-2-diacetylbenzene-treated-mice
#2
Sin-Woo Kang, Sung Jin Kim, Min-Sun Kim
Long-term exposure to organic solvent may be related to the incidence of neuronal diseases, such as, Alzheimer's disease, depression, multiple sclerosis, dementia, Parkinson's disease. Previously, the authors reported 1,2-diacetylbenzene (DAB; a neurotoxic metabolite of 1,2-diethylbenzene) causes central and peripheral neuropathies that lead to motor neuronal deficits. Furthermore, it is known DAB increases oxidative stress and protein adduct levels and impairs hippocampal neurogenesis in mice. The authors examined the relevance of oxidative stress and tau hyperphosphorylation in the hippocampus...
July 19, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28734004/comparison-of-preferences-of-healthcare-professionals-and-ms-patients-for-attributes-of-disease-modifying-drugs-a-best-worst-scaling
#3
Ingrid E H Kremer, Silvia M A A Evers, Peter J Jongen, Mickaël Hiligsmann
BACKGROUND: The choice between disease-modifying drugs (DMDs) for the treatment of multiple sclerosis (MS) becomes more often a shared decision between the patient and the neurologist and MS nurse. This study aimed to assess which DMD attributes are most important for the healthcare professionals in selecting a DMD for a patient. Subsequently, within this perspective, the neurologists' and nurses' perspectives were compared. Lastly, the healthcare professionals' perspective was compared with the patients' perspective to detect any differences that may need attention in the communication about DMDs...
July 21, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28733272/adherence-to-web-based-self-assessments-in-long-term-direct-to-patient-research-two-year-study-of-multiple-sclerosis-patients
#4
Peter Joseph Jongen, Ingrid E H Kremer, Elena Hristodorova, Silvia M A A Evers, Anton Kool, Esther M van Noort, Mickaël Hiligsmann
BACKGROUND: Direct-to-patient research via Web-based questionnaires is increasingly being used. Missed data or delayed reporting of data may negatively affect the quality of study results. It is insufficiently known to what degree patients adhere to agreed self-assessment schedule over the long term and whether questionnaires are filled out in a timely manner. OBJECTIVE: The objective of this study was to investigate patients' adherence to a self-assessment schedule with low-frequency long questionnaires versus that with a high-frequency short questionnaire...
July 21, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28733203/in-silico-pharmacogenetic-approach-the-natalizumab-case-study
#5
Francesca Cavaliere, Enrico Montanari, Andrew Emerson, Annamaria Buschini, Pietro Cozzini
Natalizumab is a humanized monoclonal antibody to α4β1 integrin and is approved for the treatment of Multiple Sclerosis. In patients there is a great variation in drug response and there is much evidence that genetic contributors play an important role in defining an individual's susceptibility. Natalizumab binds to α4-residues Gln-152, Lys-201, Lys256, and these seem to be essential for its activity. Studies on a range of species in disease model have showed a loss of reactivity when any one of those three residues were different to human...
July 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28732440/intravenous-injection-of-myelin-oligodendrocyte-glycoprotein-coated-plga-microparticles-have-tolerogenic-effects-in-experimental-autoimmune-encephalomyelitis
#6
Mehrdad Gholamzad, Masoumeh Ebtekar, Mehdi Shafiee Ardestani
The abnormal function of the T lymphocytes causes a range of autoimmune diseases, particularly multiple sclerosis; hence, several methods have been used to treat these disorders through the induction of antigen-specific tolerance in T cells. The present study aims to use a simple and low-cost method to produce poly (lactic-co-glycolic acid) (PLGA) nanoparticles for carrying antigens and inducing antigen-specific tolerance. In this study, PLGA nanoparticles were produced using the water/oil/water (W/O/W) method...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28731372/exploring-the-effect-of-vitamin-d3-supplementation-on-the-anti-ebv-antibody-response-in-relapsing-remitting-multiple-sclerosis
#7
Linda Rolf, Anne-Hilde Muris, Amandine Mathias, Renaud Du Pasquier, Inga Koneczny, Giulio Disanto, Jens Kuhle, Sreeram Ramagopalan, Jan Damoiseaux, Joost Smolders, Raymond Hupperts
BACKGROUND: Epstein-Barr virus (EBV) infection and vitamin D insufficiency are potentially interacting risk factors for multiple sclerosis (MS). OBJECTIVES: To investigate the effect of high-dose vitamin D3 supplements on antibody levels against the EBV nuclear antigen-1 (EBNA-1) in patients with relapsing-remitting multiple sclerosis (RRMS) and to explore any underlying mechanism affecting anti-EBNA-1 antibody levels. METHODS: This study utilized blood samples from a randomized controlled trial in RRMS patients receiving either vitamin D3 (14,000 IU/day; n = 30) or placebo ( n = 23) over 48 weeks...
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28730868/intercontinental-validation-of-brain-volume-measurements-using-msmetrix
#8
Alessandro Finkelsztejn, Yara Dadalti Fragoso, Eder Amaral Bastos, Juliana Avila Duarte, Juliana Santos Varela, Ruben Houbrechts, Diana Sima, Wim Van Hecke
Background Brain volume assessment has become an important outcome within research and treatment of multiple sclerosis (MS). MSmetrix (Icometrix) has been developed specifically for patients with MS. The original healthy, 'normal' population used for determination of the acceptable brain volume data consisted mainly of Europeans. Methods In the present study, results from 295 completely normal magnetic resonance imaging scans from Brazilian subjects were plotted against the original results in MSmetrix. Results With regard to whole brain volume, only 2% of the healthy adult subjects from Brazil were below the 5th percentile of the graph, and for grey matter volume, only 3% of the subjects were below the 5th percentile of MSmetrix standards...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28730530/spastic-paretic-hemifacial-contracture-related-to-multiple-sclerosis-a-rare-and-under-recognized-entity
#9
Sophie Fastré, Philippe Hanson, Frédéric London
We describe an additional case of spastic paretic hemifacial contracture, an uncommon condition characterized by sustained unilateral contraction of the facial muscles associated with mild ipsilateral facial paresis. This entity has only rarely been associated with multiple sclerosis (MS) and can be mistaken for hemifacial spasm. Early consideration of MS in the differential diagnosis of young patients admitted with these symptoms is essential.
July 20, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28729945/validity-and-reliability-of-the-fatigue-severity-scale-in-finnish-multiple-sclerosis-patients
#10
Eija Rosti-Otajärvi, Päivi Hämäläinen, Anna Wiksten, Tanja Hakkarainen, Juhani Ruutiainen
BACKGROUND: Fatigue is one of the most debilitating symptoms in multiple sclerosis (MS) considerably interfering with patients' daily functioning. Both researchers and clinicians need psychometrically robust methods to evaluate fatigue in MS. OBJECTIVES: The objective of this study was (i) to evaluate the psychometric properties of the Finnish version of the Fatigue Severity Scale (FSS) and (ii) to describe the results among patients with MS. METHODS: In total, 553 patients with MS (mean age, 53...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729944/the-impact-of-multiple-sclerosis-onset-symptom-on-cardiac-repolarization
#11
Alma Mikkola, Aku Ojanen, Juha E K Hartikainen, Anne M Remes, Sakari Simula
INTRODUCTION: Multiple sclerosis is associated with prolonged cardiac repolarization but the underlying physiology has remained unknown. In this study, we compared cardiac repolarization during the relapsing-remitting multiple sclerosis (RRMS) disease course in patients with motor and sensory onset symptom. METHODS: Twenty-five RRMS patients with motor and 33 RRMS patients with sensory onset symptom having 12-lead electrocardiogram (ECG) recorded at the time of the first demyelinating event (ECG1) as well as at the later disease course (ECG2) were identified from the patient records...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729933/unprovoked-seizures-in-multiple-sclerosis-why-are-they-rare
#12
Anamarija Kavčič, Werner E Hofmann
INTRODUCTION: The frequency of seizures in patients with multiple sclerosis (MS) ranges from 1.5% to 7.8% and is considerably more common than chance events. The etiopathogenesis of seizures in MS is still poorly understood. METHOD: A review of the literature on seizures and MS using PubMed. RESULTS: Cortical gray matter involvement appears to be an all-too-common pathological finding in MS to play a primary role in the pathogenesis of seizures in MS patients...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729932/validity-and-reliability-of-the-finnish-version-of-the-multiple-sclerosis-impact-scale-29
#13
Eija Rosti-Otajärvi, Päivi Hämäläinen, Anna Wiksten, Tanja Hakkarainen, Juhani Ruutiainen
BACKGROUND: The Multiple Sclerosis Impact Scale-29 (MSIS-29) has been increasingly used to evaluate the self-perceived impact of multiple sclerosis (MS) on a patient. OBJECTIVES: The aim of this study was to evaluate the psychometric properties of the Finnish version of MSIS-29 in patients with MS. METHODS: A total of 553 patients with MS completed the MSIS-29 and self-administered questionnaires capturing information on demographics, disease characteristics and severity, perceived quality of life (EuroQol 5D-3L instrument), and fatigue (Fatigue Severity Scale)...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729927/fatigue-and-cognition-pupillary-responses-to-problem-solving-in-early-multiple-sclerosis-patients
#14
Sigrid A de Rodez Benavent, Gro O Nygaard, Hanne F Harbo, Siren Tønnesen, Piotr Sowa, Nils I Landrø, Marte Wendel-Haga, Lars Etholm, Kristian B Nilsen, Liv Drolsum, Emilia Kerty, Elisabeth G Celius, Bruno Laeng
INTRODUCTION: In early multiple sclerosis (MS) patients, cognitive changes and fatigue are frequent and troublesome symptoms, probably related to both structural and functional brain changes. Whether there is a common cause of these symptoms in MS is unknown. In theory, an altered regulation of central neuropeptides can lead to changes in regulation of autonomic function, cognitive difficulties, and fatigue. Direct measurements of central neuropeptides are difficult to perform, but measurements of the eye pupil can be used as a reliable proxy of function...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729889/differential-methylation-at-mhc-in-cd4-t-cells-is-associated-with-multiple-sclerosis-independently-of-hla-drb1
#15
Vicki E Maltby, Rodney A Lea, Katherine A Sanders, Nicole White, Miles C Benton, Rodney J Scott, Jeannette Lechner-Scott
BACKGROUND: Although many genetic variants have been associated with multiple sclerosis (MS) risk, they do not explain all the disease risk and there remains uncertainty as to how these variants contribute to disease. DNA methylation is an epigenetic mechanism that can influence gene expression and has the potential to mediate the effects of environmental factors on MS. In a previous study, we found a differentially methylation region (DMR) at MHC HLA-DRB1 that was associated within relapsing-remitting MS (RRMS) patients in CD4(+) T cells...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28729867/exposure-to-the-epstein-barr-viral-antigen-latent-membrane-protein-1-induces-myelin-reactive-antibodies-in-vivo
#16
Yakov Lomakin, Georgii Pavlovich Arapidi, Alexander Chernov, Rustam Ziganshin, Evgenii Tcyganov, Irina Lyadova, Ivan Olegovich Butenko, Maria Osetrova, Natalia Ponomarenko, Georgy Telegin, Vadim Markovich Govorun, Alexander Gabibov, Alexey Belogurov
Multiple sclerosis (MS) is an autoimmune chronic inflammatory disease of the central nervous system (CNS). Cross-reactivity of neuronal proteins with exogenous antigens is considered one of the possible mechanisms of MS triggering. Previously, we showed that monoclonal myelin basic protein (MBP)-specific antibodies from MS patients cross-react with Epstein-Barr virus (EBV) latent membrane protein 1 (LMP1). In this study, we report that exposure of mice to LMP1 results in induction of myelin-reactive autoantibodies in vivo...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28729700/sphingomimetic-multiple-sclerosis-drug-fty720-activates-vesicular-synaptobrevin-and-augments-neuroendocrine-secretion
#17
Frederic D Darios, Jernej Jorgacevski, Ajda Flašker, Robert Zorec, Virginia García-Martinez, José Villanueva, Luis M Gutiérrez, Charlotte Leese, Manjot Bal, Elena Nosyreva, Ege T Kavalali, Bazbek Davletov
Neurotransmission and secretion of hormones involve a sequence of protein/lipid interactions with lipid turnover impacting on vesicle trafficking and ultimately fusion of secretory vesicles with the plasma membrane. We previously demonstrated that sphingosine, a sphingolipid metabolite, promotes formation of the SNARE complex required for membrane fusion and also increases the rate of exocytosis in isolated nerve terminals, neuromuscular junctions, neuroendocrine cells and in hippocampal neurons. Recently a fungi-derived sphingosine homologue, FTY720, has been approved for treatment of multiple sclerosis...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729170/how-do-pain-fatigue-depressive-and-cognitive-symptoms-relate-to-well-being-and-social-and-physical-functioning-in-the-daily-lives-of-individuals-with-multiple-sclerosis
#18
Anna L Kratz, Tiffany J Braley, Emily Foxen-Craft, Eric Scott, John Murphy, Susan L Murphy
OBJECTIVE: To examine the relative association between daily change in pain, fatigue, depressed mood, and cognitive function, and four outcomes (positive affect and well-being, ability to participate in social roles and activities, upper extremity (UE) functioning, and lower extremity (LE) functioning). DESIGN: Repeated-measures observational study including a baseline lab visit, followed by seven days of home monitoring that included ecological momentary assessment (EMA) of symptoms (pain, fatigue, depressed mood, and cognitive function) and end-of-day diary surveys of outcomes of interest...
July 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28729169/pain-fatigue-and-cognitive-symptoms-are-temporally-associated-within-but-not-across-days-in-multiple-sclerosis
#19
Anna L Kratz, Susan L Murphy, Tiffany J Braley
OBJECTIVE: To examine the temporal associations, within-day and day-to-day, between pain, fatigue, depressed mood, and cognitive function in multiple sclerosis (MS). DESIGN: Repeated-measures study involving seven days of ecological momentary assessment (EMA) of symptoms five times a day. Multilevel mixed models were used to analyze data. SETTING: Community. PARTICIPANTS: Ambulatory adults (N=107) with MS. INTERVENTIONS: Not applicable...
July 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28729168/ecological-momentary-assessment-of-pain-fatigue-depressive-and-cognitive-symptoms-reveals-significant-daily-variability-in-multiple-sclerosis
#20
Anna L Kratz, Susan L Murphy, Tiffany J Braley
OBJECTIVE: To describe the daily variability and patterns of pain, fatigue, depressed mood, and cognitive function in persons with multiple sclerosis (MS). DESIGN: Repeated-measures observational study of seven consecutive days of home monitoring, including ecological momentary assessment (EMA) of symptoms. Multilevel mixed models were used to analyze data. SETTING: General community. PARTICIPANTS: Ambulatory adults (N=107) with MS recruited through [Masked] and surrounding community...
July 17, 2017: Archives of Physical Medicine and Rehabilitation
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