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multiple sclerosis risk factors

Deeya Gaindh, Katelyn S Kavak, Barbara Teter, Caila B Vaughn, Diane Cookfair, Theresa Hahn, Bianca Weinstock-Guttman
BACKGROUND: Although dysimmunity is considered an important link between multiple sclerosis (MS), family history and cancer risk, their relationship to the use of disease modifying therapies (DMT) is not fully understood. OBJECTIVE: To assess the observed versus expected number of cancers in MS patients, and family history of cancer, among DMT users and DMT naïve patients. METHODS: Cancer, DMT use, and family history of cancer were assessed using the New York State Multiple Sclerosis Consortium (NYSMSC) registry...
November 15, 2016: Journal of the Neurological Sciences
Karin Riemann-Lorenz, Marlene Eilers, Gloria von Geldern, Karl-Heinz Schulz, Sascha Köpke, Christoph Heesen
BACKGROUND: Dietary factors have been discussed to influence risk or disease course of multiple sclerosis (MS). Specific diets are widely used among patients with MS. OBJECTIVE: To design and pilot-test an evidence based patient education program on dietary factors in MS. METHODS: We performed a systematic literature search on the effectiveness of dietary interventions in MS. A web-based survey among 337 patients with MS and 136 healthy controls assessed knowledge, dietary habits and information needs...
2016: PloS One
Juliana Calvet Kallenbach Aurenção, Claudia Cristina Ferreira Vasconcelos, Luiz Claudio Santos Thuler, Regina Maria Papais Alvarenga
Multiple sclerosis (MS) prevalence is higher in Caucasian (CA) populations, narrowing the analysis of the impact of Afro-descendant (AD) populations in disease outcomes. Even so, recent studies observed that AD patients have a more severe course. The main objective of this study is to confirm and discuss, through a systematic review, that being AD is a risk factor for disability accumulation and/or severe progression in patients with MS. A systematic review of published data in the last eleven years was performed, which evaluated clinical aspects and long term disability in patients with MS...
October 2016: Arquivos de Neuro-psiquiatria
Yiwei Wang, Roberta D Brinton
Brain is the most energetically demanding organ of the body, and is thus vulnerable to even modest decline in ATP generation. Multiple neurodegenerative diseases are associated with decline in mitochondrial function, e.g., Alzheimer's, Parkinson's, multiple sclerosis and multiple neuropathies. Genetic variances in the mitochondrial genome can modify bioenergetic and respiratory phenotypes, at both the cellular and system biology levels. Mitochondrial haplotype can be a key driver of mitochondrial efficiency...
2016: Frontiers in Aging Neuroscience
C C F Vasconcelos, L C S Thuler, B C Rodrigues, A B Calmon, R M P Alvarenga
BACKGROUND: The natural history of multiple sclerosis (MS) in Brazil has been available in different regions of country. There is no nationwide population-based studies that express general data in Brazil. OBJECTIVE: To review and synthesize available data about MS in Brazil. MATERIAL AND METHODS: Systematic review was performed through a search of medical literature databases to identify Brazilian studies published during 1990-2012. DATA SOURCES: PubMed, SciELO, and Lilacs...
September 20, 2016: Clinical Neurology and Neurosurgery
Andrius Kavaliunas, Ali Manouchehrinia, Leszek Stawiarz, Ryan Ramanujam, Jonas Agholme, Anna Karin Hedström, Omid Beiki, Anna Glaser, Jan Hillert
OBJECTIVES: The aim of this study was to identify factors influencing the long-term clinical progression of multiple sclerosis (MS). A special objective was to investigate whether early treatment decisions influence outcome. METHODS: We included 639 patients diagnosed with MS from 2001 to 2007. The median follow-up time was 99 months (8.25 years). Cox regression models were applied to identify factors correlating with the outcome variable defined as time from treatment start to irreversible score 4 of the Expanded Disability Status Scale (EDSS)...
October 17, 2016: Multiple Sclerosis: Clinical and Laboratory Research
Farhad Shahsavar, Shaghayegh Mapar, Seyyed Amir Yasin Ahmadi
Multiple sclerosis (MS) is a disease in which we can recognize destruction of the myelin that is around nerve cells of brain and spinal cord called as oligodendrocytes. Both genetic and environmental factors play roles in MS. One of these genes is the killer-cell immunoglobulin-like receptor (KIR) which expressed on surface of natural killer cells (NKs). These genes have loci (not locus) in human genome, so they inherit as haplotypes. The results of previous studies show that different genes of KIR may affect both susceptibility and resistance to such autoimmune disorders that their pathogenesis in MS is still unclear...
December 2016: Genomics Data
Kevin J Bennett, Suzanne McDermott, Joshua R Mann, James Hardin
BACKGROUND: Receiving recommended services for patients with diabetes is associated with improved outcomes and reduced morbidity. People with diabetes who also have a condition associated with disability represent one group that is at risk for health disparities. OBJECTIVE: To examine service utilization among persons with selected disabling conditions and diabetes, compared to those without. METHODS: 2007-2012 Medical Expenditure Panel Survey Full-Year Consolidated files, medical conditions files, and the 1996-2012 pooled linkage files were merged for this analysis...
September 13, 2016: Disability and Health Journal
Ruihe Lin, Jingli Cai, Eric W Kostuk, Robert Rosenwasser, Lorraine Iacovitti
BACKGROUND: Dimethyl fumarate (DMF), working via its metabolite monomethylfumarate (MMF), acts as a potent antioxidant and immunomodulator in animal models of neurologic disease and in patients with multiple sclerosis. These properties and their translational potential led us to investigate whether DMF/MMF could also protect at-risk and/or dying neurons in models of ischemic stroke in vitro and in vivo. Although the antioxidant effects have been partially addressed, the benefits of DMF immunomodulation after ischemic stroke still need to be explored...
October 13, 2016: Journal of Neuroinflammation
Shengli Ma, Xue Rui, Peiyi Qi, Gangqiong Liu, Jing Yang
BACKGROUND: Poor sleep is common in patients with multiple sclerosis (MS). This study assessed the prevalence of poor sleep and investigated the potential impact factors that influence sleep quality of patients with MS. METHODS: A cross-sectional self-report survey of 231 patients with MS and 265 sex- and age-matched controls was conducted. Good sleepers and poor sleepers were separated by their global score on the Pittsburgh Sleep Quality Index (PSQI). Sociodemographic parameters, such as age, gender, and marital status, and clinical-demographic parameters, such as excessive daytime sleepiness (measured by the Epworth Sleepiness Scale), snoring, insomnia, obstructive sleep apnea, drugs, pain, depression, fatigue, and quality of life, were registered...
October 11, 2016: Sleep & Breathing, Schlaf & Atmung
Denise S M Medrado da Costa, Joana Hygino, Thais B Ferreira, Taissa M Kasahara, Priscila O Barros, Clarice Monteiro, Aleida Oliveira, Felipe Tavares, Claudia Cristina Vasconcelos, Regina Alvarenga, Cleonice A M Bento
Vitamin D deficiency is an environmental risk factor for MS, a Th17 cell-mediated autoimmune disease that results in demyelination in the CNS. Therefore, we aimed to evaluate the ability of in vitro 1,25(OH)2D in modulating different Th17 cell subsets in MS patients in remission phase. In the present study, the production of Th17-related cytokines (IL-1β, IL-6, IL-17, IL-22), as well as GM-CSF, was significantly higher in cell cultures from MS patients than in healthy subjects (HS). The 1,25(OH)2D reduced all pro-inflammatory cytokines essayed, mainly those released from HS cell cultures...
October 15, 2016: Journal of Neuroimmunology
José de Jesús Guerrero-García, Lucrecia Carrera-Quintanar, Rocío Ivette López-Roa, Ana Laura Márquez-Aguirre, Argelia Esperanza Rojas-Mayorquín, Daniel Ortuño-Sahagún
Multiple Sclerosis (MS) is an autoimmune disorder of the Central Nervous System that has been associated with several environmental factors, such as diet and obesity. The possible link between MS and obesity has become more interesting in recent years since the discovery of the remarkable properties of adipose tissue. Once MS is initiated, obesity can contribute to increased disease severity by negatively influencing disease progress and treatment response, but, also, obesity in early life is highly relevant as a susceptibility factor and causally related risk for late MS development...
2016: Mediators of Inflammation
Rocío N Villar-Quiles, Jordi A Matías-Guiu, Gloria Ortega, Inés González-Suárez, Celia Oreja-Guevara, Jorge Matías-Guiu
BACKGROUND: Some studies have suggested an association between the month of birth and risk of multiple sclerosis (MS), related to environmental factors, mainly sun exposure and maternal vitamin D levels. Few studies have been conducted in Southern Europe countries. Madrid has a continental climate with considerable variation of sun hours between winter and summer, so it may be relevant to study this relationship. METHODS: MS patients, born between 1932 and 2003, 1,335 of them from our database between 2004 and 2015, were analysed...
October 8, 2016: European Neurology
José Manuel Garcia-Dominguez, Delicias Muñoz, Marta Comellas, Irmina Gonzalbo, Luis Lizán, Carlos Polanco Sánchez
OBJECTIVES: To assess disease-modifying therapy (DMT) preferences in a population of patients with multiple sclerosis (MS) and to estimate the association between sociodemographic and clinical factors and these preferences. METHODS: Preferences for DMTs attributes were measured using a discrete choice experiment. Analysis of preferences was assessed using mixed-logit hierarchical Bayes regression. A multilinear regression was used to evaluate the association between the preferences for each attribute and patients' demographic and clinical characteristics...
2016: Patient Preference and Adherence
Caroline Massot, Hichem Khenioui, Olivier Agnani, Marc-Alexandre Guyot, Patrick Hautecoeur, Cécile Donze
PURPOSE: To report the prevalence and risk factors of stress urinary incontinence (SUI) and the prevalence of intrinsic sphincter deficiency in women with multiple sclerosis (MS). METHODS: We conducted a retrospective study. Female patients with MS, followed for lower urinary tract symptoms (LUTS) during a 15-year period were included. Demographic data, MS history, expanded disability status scale (EDSS) score at the urodynamic visit, obstetrical past, birth weight, LUTS, and urodynamic findings were collected...
September 2016: International Neurourology Journal
(no author information available yet)
Corrigendum to Season of birth and not vitamin D receptor promoter polymorphisms is a risk factor for multiple sclerosis by DA Fernandes de Abreu, MC Babron I, C Rebeix, J Fontenille, D Yaouanq, B Brassat, F Fontaine, F Clerget-Darpoux, F Jehan and Feron. Mult Scler 2009; 15: 1146-1152 [DOI: 10.1177/1352458509106780].
October 2016: Multiple Sclerosis: Clinical and Laboratory Research
Emanuele D'Amico, Aurora Zanghì, Carmela Leone, Hayrettin Tumani, Francesco Patti
Progressive multifocal leukoencephalopathy (PML) is a rare opportunistic infection of the central nervous system caused by the John Cunningham virus (JCV) that has been associated with therapeutic immunosuppression in patients with multiple sclerosis (MS). So far, more than 600 cases of PML have been reported in association with natalizumab administration. There have also been confirmed cases of PML in individuals who received fingolimod and dimethyl fumarate without previous natalizumab treatment. The new licensed disease-modifying therapies for MS carry the risk of immunosuppressant and so of JCV reactivation...
September 30, 2016: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
Łukasz Jernas, Jacek Wencel, Andrzej Wiak, Marek Bieniek, Halina Bartosik-Psujek
INTRODUCTION: Adherence to treatment, including early treatment discontinuation, in patients with multiple sclerosis or clinically isolated syndrome can be affected by: treatment tolerability, route of drug administration, patient age, disease duration, comorbidities, medical care, and support from their caregivers. AIM: This study aimed to identify the risk factors for poor adherence to Betaferon® treatment, including early discontinuation and omitting doses. MATERIALS AND METHODS: 852 adult patients treated with Betaferon participated in this 24-month study...
2016: PloS One
Johanna von Gumberz, Mina Mahmoudi, Kim Young, Sven Schippling, Roland Martin, Christoph Heesen, Susanne Siemonsen, Jan-Patrick Stellmann
BACKGROUND: Magnetic resonance imaging (MRI) is the best biomarker of inflammatory disease activity in relapsing remitting Multiple Sclerosis (RRMS) so far but the association with disability is weak. Appearance of new MRI-lesions is used to evaluate response to immunotherapies in individual patients as well as being the most common primary outcome in phase-2 trials. Measurements of brain atrophy show promising outcomes in natural cohort studies and some phase-2 trials. From a theoretical perspective they might represent irreversible neurodegeneration and be more closely associated with disability...
2016: PeerJ
Ruth Ann Marrie, Scott B Patten, Jamie Greenfield, Lawrence W Svenson, Nathalie Jette, Helen Tremlett, Christina Wolfson, Sharon Warren, Joanne Profetto-McGrath, John D Fisk, James Blanchard, Patricia Caetano, Lawrence Elliott, Bo Nancy Yu, Virender Bhan, Larry Svenson
BACKGROUND: Risk factors for psychiatric comorbidity in multiple sclerosis (MS) are poorly understood. OBJECTIVE: We evaluated the association between physical comorbidity and incident depression, anxiety disorder, and bipolar disorder in a MS population relative to a matched general population cohort. METHODS: Using population-based administrative data from Alberta, Canada we identified 9624 persons with MS, and 41,194 matches. Using validated case definitions, we estimated the incidence of depression, anxiety disorder, and bipolar disorder, and their association with physical comorbidities using Cox regression, adjusting for age, sex, socioeconomic status, and index year...
September 2016: Brain and Behavior
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