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multiple sclerosis risk factors

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https://www.readbyqxmd.com/read/29774781/aging-and-lymphocyte-changes-by-immunomodulatory-therapies-impact-pml-risk-in-multiple-sclerosis-patients
#1
Elizabeth A Mills, Yang Mao-Draayer
New potent immunomodulatory therapies for multiple sclerosis (MS) are associated with increased risk for progressive multifocal leukoencephalopathy (PML). It is unclear why a subset of treated patients develops PML, but patient age has emerged as an important risk factor. PML is caused by the JC virus and aging is associated with immune senescence, which increases susceptibility to infection. With the goal of improving PML risk stratification, we here describe the lymphocyte changes that occur with disease-modifying therapies (DMTs) associated with high or moderate risk toward PML in MS patients, how these changes compare to immune aging, and which measures best correlate with risk...
May 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29769526/a-whole-genome-sequence-study-identifies-genetic-risk-factors-for-neuromyelitis-optica
#2
Karol Estrada, Christopher W Whelan, Fengmei Zhao, Paola Bronson, Robert E Handsaker, Chao Sun, John P Carulli, Tim Harris, Richard M Ransohoff, Steven A McCarroll, Aaron G Day-Williams, Benjamin M Greenberg, Daniel G MacArthur
Neuromyelitis optica (NMO) is a rare autoimmune disease that affects the optic nerve and spinal cord. Most NMO patients ( > 70%) are seropositive for circulating autoantibodies against aquaporin 4 (NMO-IgG+). Here, we meta-analyze whole-genome sequences from 86 NMO cases and 460 controls with genome-wide SNP array from 129 NMO cases and 784 controls to test for association with SNPs and copy number variation (total N = 215 NMO cases, 1244 controls). We identify two independent signals in the major histocompatibility complex (MHC) region associated with NMO-IgG+, one of which may be explained by structural variation in the complement component 4 genes...
May 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29769373/the-cortical-damage-early-relapses-and-onset-of-the-progressive-phase-in-multiple-sclerosis
#3
Antonio Scalfari, Chiara Romualdi, Richard S Nicholas, Miriam Mattoscio, Roberta Magliozzi, Aldo Morra, Salvatore Monaco, Paolo A Muraro, Massimiliano Calabrese
OBJECTIVE: To investigate the relationship among cortical radiologic changes, the number of early relapses (ERs), and the long-term course of multiple sclerosis (MS). METHODS: In this cohort study, we assessed the number of cortical lesions (CLs) and white matter (WM) lesions and the cortical thickness (Cth) at clinical onset and after 7.9 mean years among 219 patients with relapsing remitting (RR) MS with 1 (Low-ER), 2 (Mid-ER), and ≥3 (High-ER) ERs during the first 2 years...
May 16, 2018: Neurology
https://www.readbyqxmd.com/read/29756580/subtypes-of-antiphospholipid-antibodies-in-neurologic-accidents-an-observational-study
#4
Maryam Sahebari, Maryam Rastin, Reza Boostani, Mohsen Forughipour, Kamila Hashemzadeh, Samira HaajSadeghi
OBJECTIVE: Until now, concomitant neurological manifestations and positive antiphospholipid antibodies (APA(s)) have been investigated in different manners. The most important conflicts in this field are whether those manifestations are directly related to APA(s) or not and treatment strategies. METHOD: In this study, adopting a different manner, we selected patients with a recently defined neurological problem (according to study protocol) and positive APA without any other risk factor, to compare types, amounts, and titer of APAs...
May 14, 2018: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/29753995/small-scale-geographical-variation-in-multiple-sclerosis-a-case-control-study-using-danish-register-data-1971-2013
#5
Kristine Bihrmann, Nete Munk Nielsen, Melinda Magyari, Nils Koch-Henriksen, Rikke Baastrup Nordsborg, Annette Kjær Ersbøll
BACKGROUND: The aetiology of multiple sclerosis (MS) is largely unknown, but commonly assumed to be a complex interaction between genes and environmental exposures, presumably during early life. To evaluate the possible importance and timing of environmental exposures we investigated the spatial variation in the risk of MS in Denmark according to residence at birth, age 15, and clinical onset of disease. METHODS: We carried out a nationwide, register-based case-control study including 12 993 Danish MS cases with onset of disease 1971-2013...
May 4, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29750884/nutritional-intervention-as-an-essential-part-of-multiple-sclerosis-treatment
#6
A Penesová, Z Dean, B Kollár, A Havranová, R Imrich, M Vlček, Ž Rádiková
Multiple sclerosis (MS) is a chronic inflammatory and demyelinating disease of the central nervous system. In addition to the genetic, epigenetic and immunological components, various other factors e.g. unhealthy dietary habits play a role in the MS pathogenesis. Dietary intervention is a highly appealing approach, as it presents a simple and relatively low risk method to potentially improve outcomes in patients with brain disorders in order to achieve remission and improvement of clinical status, well-being and life expectancy of patients with MS...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29735578/lifestyle-and-environmental-factors-in-multiple-sclerosis
#7
Lars Alfredsson, Tomas Olsson
Lifestyle and environmental factors potently influence the risk of multiple sclerosis (MS), because genetic predisposition only explains a fraction of the risk increase. There is strong evidence for associations of Epstein-Barr virus (EBV) infection, smoking, sun exposure/vitamin D, and adolescent obesity to risk of MS. There is also circumstantial evidence on organic solvents and shift work, all associate with greater risk, although certain factors like nicotine, alcohol, and a high coffee consumption associate with a reduced risk...
May 7, 2018: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29735167/environmental-factors-in-the-development-of-multiple-sclerosis
#8
REVIEW
L Michel
Epidemiology of Multiple Sclerosis (MS) has been intensively studied and we know now that its occurrence result from the combined action of genetic and environmental factors. There are significant geographic and temporal variations in MS incidence and the risk associated with the development of MS may be affected by many potential factors (including infections, climate, diet, etc.). But none of these factors has been identified as "causal". The accumulation of these different agents as well as their interactions probably contribute to the development of the disease...
May 4, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29732528/medical-comorbidities-in-bipolar-disorder
#9
REVIEW
Aktriti Sinha, Anam Shariq, Khaled Said, Abhinav Sharma, D Jeffrey Newport, Ihsan M Salloum
PURPOSE OF REVIEW: Bipolar disorder (BD) medical comorbidity presents significant clinical and public health concerns with serious impact on health. The aim of this article is to present an updated narrative review of original research articles (case control, longitudinal cohort, and cross-sectional studies) and meta-analyses published in English language journals from January 2013 to May 2017 focusing on general medical comorbidity in BD, including the added risks of iatrogenic factors relevant to the treatment of BD...
May 7, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29713948/association-study-of-anril-genetic-variants-and-multiple-sclerosis
#10
Maryam Rezazadeh, Jalal Gharesouran, Mohsen Moradi, Rezvan Noroozi, Mir Davood Omrani, Mohammad Taheri, Soudeh Ghafouri-Fard
Multiple sclerosis (MS) is an autoimmune disorder of central nervous system with several genetic and environmental risk factors. Genes with regulatory roles on immune system have been implicated in its pathogenesis. Recently, long non-coding RNAs (lncRNAs) have been demonstrated to control some aspects of immune response. Among them is antisense non-coding RNA in the INK4 locus (ANRIL) whose involvement in NF-κB signaling pathway has been highlighted. In the current study, we evaluated the association between rs1333045, rs4977574, rs1333048, and rs10757278 variants of ANRIL and MS risk in a population of 410 Iranian MS patients and 410 healthy subjects...
April 30, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29706295/recent-advances-in-the-development-of-vaccines-for-chronic-inflammatory-autoimmune-diseases
#11
REVIEW
Naru Zhang, Kutty Selva Nandakumar
Chronic inflammatory autoimmune diseases leading to target tissue destruction and disability are not only causing increase in patients' suffering but also contribute to huge economic burden for the society. General increase in life expectancy and high prevalence of these diseases both in elderly and younger population emphasize the importance of developing safe and effective vaccines. In this review, at first the possible mechanisms and risk factors associated with chronic inflammatory autoimmune diseases, such as rheumatoid arthritis (RA), multiple sclerosis (MS), systemic lupus erythematosus (SLE) and type 1 diabetes (T1D) are discussed...
April 26, 2018: Vaccine
https://www.readbyqxmd.com/read/29698641/the-relationship-between-physiological-and-perceived-fall-risk-in-people-with-multiple-sclerosis-implications-for-assessment-and-management
#12
Hilary Gunn, Michelle Cameron, Phu Hoang, Stephen Lord, Steve Shaw, Jennifer Freeman
OBJECTIVE: This study evaluated the relationship between physiological and perceived fall risk in people with MS. DESIGN: Secondary analysis of data from prospective cohort studies undertaken in Australia, United Kingdom and the United States. SETTING: Community PARTICIPANTS: 416 ambulatory people with MS (age 51.5 ±12.0 years; 73% female; 62% relapsing-remitting MS; 13.7 ±9.9 years disease duration). INTERVENTIONS: Not applicable OUTCOME MEASURES: All participants completed measures of physiological (Physiological Profile Assessment (PPA)) and perceived (Falls Efficacy Scale-international (FESi)) fall risk and prospectively recorded falls for three months...
April 23, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29689063/estimation-of-the-marginal-effect-of-regular-drug-use-on-multiple-sclerosis-in-the-iranian-population
#13
Ibrahim Abdollahpour, Saharnaz Nedjat, Mohammad Ali Mansournia, Tibor Schuster
There are only few reports regarding the role of lifetime drug or substance use in multiple sclerosis (MS) etiology. In this study, we investigated the potential effect of drug or substance exposure on the onset of MS diagnosis. We conducted a population-based incident case control study in Tehran. Cases (n = 547) were 15-50 years old persons with MS identified from the Iranian Multiple Sclerosis Society (IMSS) register during August 7, 2013, and November 17, 2015. Population-based controls (n = 1057) were 15-50 years old and were recruited by random digit telephone dialing...
2018: PloS One
https://www.readbyqxmd.com/read/29677876/re-male-factor-infertility-and-risk-of-multiple-sclerosis-a-register-based-cohort-study
#14
Craig Niederberger
No abstract text is available yet for this article.
May 2018: Journal of Urology
https://www.readbyqxmd.com/read/29677591/lifestyle-factors-and-multiple-sclerosis-a-population-based-incident-case-control-study
#15
Ibrahim Abdollahpour, Saharnaz Nedjat, Mohammad Ali Mansournia, Mohammad Ali Sahraian, Ingrid van der Mei
OBJECTIVE: Although low sun exposure, low vitamin D, and smoking are established risk factor of multiple sclerosis (MS), there is less evidence on the role of the other lifestyle factors. We examined the association of sun exposure, physical activity, drug abuse, and alcohol intake with MS. MATERIALS AND METHODS: This was population-based incident case-control study in Iran with 547 incident cases and 1057 general population controls (7/8/2013-17/2/2015). Logistic regression was used to analyse the data...
March 31, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29675414/spondyloarthritis-acute-anterior-uveitis-and-fungi-updating-the-catterall-king-hypothesis
#16
Martin Laurence, Mark Asquith, James T Rosenbaum
Spondyloarthritis is a common type of arthritis which affects mostly adults. It consists of idiopathic chronic inflammation of the spine, joints, eyes, skin, gut, and prostate. Inflammation is often asymptomatic, especially in the gut and prostate. The HLA-B*27 allele group, which presents intracellular peptides to CD8+ T cells, is by far the strongest risk factor for spondyloarthritis. The precise mechanisms and antigens remain unknown. In 1959, Catterall and King advanced a novel hypothesis explaining the etiology of spondyloarthritis: an as-yet-unrecognized sexually acquired microbe would be causing all spondyloarthritis types, including acute anterior uveitis...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29666281/pathogenic-effects-of-ifit2-and-interferon-%C3%AE-during-fatal-systemic-candida-albicans-infection
#17
Marcin Stawowczyk, Shamoon Naseem, Valeria Montoya, Darren P Baker, James Konopka, Nancy C Reich
A balanced immune response to infection is essential to prevent the pathology and tissue damage that can occur from an unregulated or hyperactive host defense. Interferons (IFNs) are critical mediators of the innate defense to infection, and in this study we evaluated the contribution of a specific gene coding for IFIT2 induced by type I IFNs in a murine model of disseminated Candida albicans Invasive candidiasis is a frequent challenge during immunosuppression or surgical medical interventions, and C. albicans is a common culprit that leads to high rates of mortality...
April 17, 2018: MBio
https://www.readbyqxmd.com/read/29662164/transcription-factors-operate-across-disease-loci-with-ebna2-implicated-in-autoimmunity
#18
John B Harley, Xiaoting Chen, Mario Pujato, Daniel Miller, Avery Maddox, Carmy Forney, Albert F Magnusen, Arthur Lynch, Kashish Chetal, Masashi Yukawa, Artem Barski, Nathan Salomonis, Kenneth M Kaufman, Leah C Kottyan, Matthew T Weirauch
Explaining the genetics of many diseases is challenging because most associations localize to incompletely characterized regulatory regions. Using new computational methods, we show that transcription factors (TFs) occupy multiple loci associated with individual complex genetic disorders. Application to 213 phenotypes and 1,544 TF binding datasets identified 2,264 relationships between hundreds of TFs and 94 phenotypes, including androgen receptor in prostate cancer and GATA3 in breast cancer. Strikingly, nearly half of systemic lupus erythematosus risk loci are occupied by the Epstein-Barr virus EBNA2 protein and many coclustering human TFs, showing gene-environment interaction...
April 16, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29661540/mif-functional-polymorphisms-794-catt-5-8-and-173-g-c-are-associated-with-mif-serum-levels-severity-and-progression-in-male-multiple-sclerosis-from-western-mexican-population
#19
V A Castañeda-Moreno, U De la Cruz-Mosso, N Torres-Carrillo, M A Macías-Islas, O Padilla-De la Torre, M A Mireles-Ramírez, O González-Pérez, J L Ruiz-Sandoval, M Huerta, X Trujillo, D Ortuño-Sahagún, Muñoz-Valle Jf
Macrophage migration inhibitory factor (MIF) is a cytokine associated with tissue damage in multiple autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis and psoriatic arthritis. The role of MIF in multiple sclerosis (MS) and the contribution of its polymorphisms are unknown in our population. Therefore, we decided to investigate the genetic association of -794 CATT5-8 (rs5844572) and -173 G>C (rs755622) MIF polymorphisms with MS, clinical variables and MIF serum levels in the population of western Mexico...
April 10, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29660838/tdp-43-pathology-in-multiple-system-atrophy-colocalization-of-tdp-43-and-%C3%AE-synuclein-in-glial-cytoplasmic-inclusions
#20
Shunsuke Koga, Wen-Lang Lin, Ronald L Walton, Owen A Ross, Dennis W Dickson
AIMS: This study aimed to assess clinicopathologic features of transactive response DNA-binding protein of 43 kDa (TDP-43) pathology and its risk factors in multiple system atrophy (MSA). METHODS: Paraffin-embedded sections of the amygdala and basal forebrain from 186 autopsy-confirmed MSA cases were screened with immunohistochemistry for phospho-TDP-43. In cases having TDP-43 pathology, additional brain regions were assessed. Immunohistochemical and immunofluorescence double-staining and immunogold electron microscopy (IEM) were performed to evaluate colocalization of TDP-43 and α-synuclein...
April 16, 2018: Neuropathology and Applied Neurobiology
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