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Multiple sclerosis immunology

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https://www.readbyqxmd.com/read/29329698/effect-of-combined-exercise-training-on-serum-brain-derived-neurotrophic-factor-suppressors-of-cytokine-signaling-1-and-3-in-patients-with-multiple-sclerosis
#1
C Ozkul, A Guclu-Gunduz, C Irkec, I Fidan, Y Aydin, T Ozkan, G Yazici
BACKGROUND: Suppressors of cytokine signaling (SOCS) and brain-derived neurotrophic factor (BDNF) are important immunologic, and neurotrophic factors for MS pathogenesis. The impact of exercise on these factors is yet to be fully elucidated in patients with MS. OBJECTIVE: The primary aim of this study is to investigate the effect of 8-week combined exercise training on serum concentrations of SOCS1, SOCS3, and BDNF. The secondary aim is to determine the effects of combined exercise training on balance, functional exercise capacity, and fatigue in patients with MS...
January 3, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29316044/global-transcriptome-profiling-of-mild-relapsing-remitting-versus-primary-progressive-multiple-sclerosis
#2
Marcus W Koch, Yaroslav Ilnytskyy, Andrey Golubov, Luanne M Metz, V Wee Yong, Olga Kovalchuk
BACKGROUND: Genetic research in MS mostly compares MS patients with healthy controls, but does not differentiate between MS disease courses. We compared peripheral blood gene expression patterns between extremes of MS phenotypes: patients with mild relapsing-remitting MS (mRRMS) and primary progressive MS (PPMS). METHODS: We analyzed global gene expression profiles of peripheral blood samples of age and gender matched patients with mRRMS and PPMS. Detailed bioinformatic and gene set enrichment analysis, pathway and principle component analyses were used to identify differentially expressed genes and pathways...
January 8, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29302631/oxytocin-monolayer-based-impedimetric-biosensor-for-zinc-and-copper-ions
#3
Kiran Kumar Tadi, Israel Alshanski, Evgeniy Mervinetsky, Gerard Marx, Panayiota Petrou, Karussis M Dimitrios, Chaim Gilon, Mattan Hurevich, Shlomo Yitzchaik
Zinc and copper are essential metal ions for numerous biological processes. Their levels are tightly maintained in all body organs. Impairment of the Zn2+ to Cu2+ ratio in serum was found to correlate with many disease states, including immunological and inflammatory disorders. Oxytocin (OT) is a neuropeptide, and its activity is modulated by zinc and copper ion binding. Harnessing the intrinsic properties of OT is one of the attractive ways to develop valuable metal ion sensors. Here, we report for the first time an OT-based metal ion sensor prepared by immobilizing the neuropeptide onto a glassy carbon electrode...
December 31, 2017: ACS Omega
https://www.readbyqxmd.com/read/29250057/update-on-dendritic-cell-induced-immunological-and-clinical-tolerance
#4
REVIEW
Carolina Obregon, Rajesh Kumar, Manuel Antonio Pascual, Giuseppe Vassalli, Déla Golshayan
Dendritic cells (DCs) as highly efficient antigen-presenting cells are at the interface of innate and adaptive immunity. As such, they are key mediators of immunity and antigen-specific immune tolerance. Due to their functional specialization, research efforts have focused on the characterization of DCs subsets involved in the initiation of immunogenic responses and in the maintenance of tissue homeostasis. Tolerogenic DCs (tolDCs)-based therapies have been designed as promising strategies to prevent and control autoimmune diseases as well as allograft rejection after solid organ transplantation (SOT)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29201326/a-challenging-entity-multiple-sclerosis-or-collagen-tissue-disorders-a-case-series-of-6-patients
#5
Raida Ben Salah, Yosra Cherif, Faten Frikha, Dammak Chifaa, Mouna Snoussi, Moez Jallouli, Sameh Marzouk, Mhiri Chokri, Zouhir Bahloul
Background: Multiple sclerosis and other demyelinating processes are sometimes difficult to differentiate from the neurological involvement in autoimmune diseases. Distinguishing multiple sclerosis from other lesions due to autoimmune diseases is crucial to avoid unsuitable or delayed treatments. Methods: Charts of 6 patients diagnosed with mimicking multiple sclerosis between 1996 and 2014 were retrospectively assessed. Results: The mean age at diagnosis was 35±7 years...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29179949/antisense-long-non-coding-rnas-are-deregulated-in-skin-tissue-of-patients-with-systemic-sclerosis
#6
Tobias C Messemaker, Loubna Chadli, Guoshuai Cai, Varshna S Goelela, Maaike Boonstra, Annemarie L Dorjée, Stefan N Andersen, Harald M M Mikkers, Peter van 't Hof, Hailiang Mei, Oliver Distler, Harmen H M Draisma, Michael E Johnson, Nicole M Orzechowski, Robert W Simms, Rene E M Toes, Jamil Aarbiou, Tom W Huizinga, Michael L Whitfield, Jeroen DeGroot, Jeska de Vries-Bouwstra, Fina Kurreeman
Systemic sclerosis (SSc) is an autoimmune disease characterized by fibrosis of skin and multiple organs of which the pathogenesis is poorly understood. Here we studied differentially expressed coding and non-coding genes in relation to SSc pathogenesis with a specific focus on antisense non-coding RNAs. Skin biopsy-derived RNAs from fourteen early SSc patients and six healthy individuals were sequenced with ion-torrent and analysed using DEseq2. Overall, 4901 genes with a fold change >1.5 and a false discovery rate < 5% were detected in patients versus controls...
November 24, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29176975/targeting-cannabinoid-signaling-in-the-immune-system-high-ly-exciting-questions-possibilities-and-challenges
#7
REVIEW
Attila Oláh, Zoltán Szekanecz, Tamás Bíró
It is well known that certain active ingredients of the plants of Cannabis genus, i.e., the "phytocannabinoids" [pCBs; e.g., (-)-trans-Δ9-tetrahydrocannabinol (THC), (-)-cannabidiol, etc.] can influence a wide array of biological processes, and the human body is able to produce endogenous analogs of these substances ["endocannabinoids" (eCB), e.g., arachidonoylethanolamine (anandamide, AEA), 2-arachidonoylglycerol (2-AG), etc.]. These ligands, together with multiple receptors (e.g., CB1 and CB2 cannabinoid receptors, etc...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29159928/the-immunogenetics-of-neurological-disease
#8
REVIEW
Maneesh K Misra, Vincent Damotte, Jill A Hollenbach
Genes encoding antigen-presenting molecules within the human major histocompatibility complex (MHC) account for the highest component of genetic risk for many neurological diseases, such as multiple sclerosis, neuromyelitis optica, Parkinson's disease, Alzheimer's disease, schizophrenia, myasthenia gravis and amyotrophic lateral sclerosis. Myriad genetic, immunological and environmental factors may contribute to an individual's susceptibility to neurological disease. Here, we review and discuss the decades long research on the influence of genetic variation at the MHC locus and the role of immunogenetic killer cell immunoglobulin-like receptor (KIR) loci in neurological diseases, including multiple sclerosis, neuromyelitis optica, Parkinson's disease, Alzheimer's disease, schizophrenia, myasthenia gravis and amyotrophic lateral sclerosis...
November 21, 2017: Immunology
https://www.readbyqxmd.com/read/29141799/the-4259a-c-polymorphism-of-tim-3-but-not-1637c-t-polymorphism-of-tim-1-is-associated-with-multiple-sclerosis-in-isfahan-population
#9
Masoumeh Pouladian, Mazdak Ganjalikhani-Hakemi, Fereshteh Alsahebfosul, Vida Homayouni, Sharifeh Khosravi, Masoud Etemadifar, Fariba Mazrouei, Rasoul Salehi
BACKGROUND: Multiple sclerosis (MS) is an inflammatory disease of the central nervous system (CNS) which initiated and mediated by autoreactive T helper1 cells directed against myelin antigens. One of T cell surface receptors is T cell immunoglobulin and mucin domain (TIM) family which its importance in immunology is recently discovered. These molecules have important immunological function by regulation of T effector cells. METHODS: In the present study, we analyzed the frequency of +4259A>C polymorphism in TIM-3 and -1637C>T polymorphism in TIM-1 gene in MS patients and healthy controls using restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) method...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29141798/ecotropic-viral-integration-site-5-evi5-variants-are-associated-with-multiple-sclerosis-in-iranian-population
#10
Mehrdokht Mazdeh, Soudeh Ghafouri-Fard, Rezvan Noroozi, Arezou Sayad, Maryam Khani, Mohammad Taheri, Mir Davood Omrani
BACKGROUND: Multiple sclerosis (MS) is a multifactorial disorder with immunological basis. Numerous genetic and environmental factors contribute in its pathogenesis. Several genetic loci have been shown to be associated with MS risk. Among genes whose participation in MS has been evaluated is Ecotropic Viral Integration Site 5 (EVI5). EVI5 is a common site of retroviral integration with a possible role in T-cell lymphomagenesis. METHODS: In the current study, we aimed to confirm association of the single nucleotide polymorphisms (SNPs) within EVI5 gene with MS in 410 relapsing-remitting MS patients and 410 controls from Iranian population...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29131010/blockade-of-experimental-multiple-sclerosis-by-inhibition-of-the-acid-sphingomyelinase-ceramide-system
#11
Katrin Anne Becker, Ramona Halmer, Laura Davies, Brian D Henry, Regan Ziobro-Henry, Yann Decker, Yang Liu, Erich Gulbins, Klaus Fassbender, Silke Walter
BACKGROUND: Multiple sclerosis (MS) is a severe and common autoimmune disorder of the central nervous system. Despite the availability of several novel treatment options, the disease is still poorly controlled, since the pathophysiological mechanisms are not fully understood. METHODS: We tested the role of the acid sphingomyelinase/ceramide system in a model of MS, i.e. experimental autoimmune encephalomyelitis (EAE). Mice were immunized with myelin-oligodendrocyte glycoprotein and the development of the disease was analyzed by histology, immunological tests and clinical assessment in wildtype and acid sphingomyelinase (Asm)-deficient mice...
November 6, 2017: Neuro-Signals
https://www.readbyqxmd.com/read/29123575/systemic-sclerosis-and-the-gastrointestinal-tract
#12
REVIEW
Irena Walecka
Systemic sclerosis (SSc) is an autoimmunological disease of unknown origin with complex pathogenesis and multiple organ involvement. It is characterised by vascular and immunological abnormalities leading to fibrosis of the skin and internal organs. It is a rather rare disease with a prevalence of around 20 per 100,000. The disease results in heterogeneous clinical findings and different courses. Systemic sclerosis usually begins with the onset of Raynaud's phenomenon (RP), followed by skin sclerosis and internal organ involvement, although it may appear synchronously with RP...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/29118761/immunological-and-clinical-effect-of-diet-modulation-of-the-gut-microbiome-in-multiple-sclerosis-patients-a-pilot-study
#13
Marina Saresella, Laura Mendozzi, Valentina Rossi, Franca Mazzali, Federica Piancone, Francesca LaRosa, Ivana Marventano, Domenico Caputo, Giovanna E Felis, Mario Clerici
Pathogenesis of autoimmune disorders, including multiple sclerosis (MS), has been linked to an alteration of the resident microbial commensal community and of the interplay between the microbiota and the immune system. Dietary components such as fiber, acting on microbiota composition, could, in principle, result in immune modulation and, thus, could be used to obtain beneficial outcomes for patients. We verified this hypothesis in a pilot study involving two groups of clinically similar relapsing-remitting (RR) MS patients who had undergone either a high-vegetable/low-protein diet (HV/LP diet group; N = 10) or a "Western Diet" (WD group; N = 10) for at least 12 months...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29112130/role-of-immunological-memory-cells-as-a-therapeutic-target-in-multiple-sclerosis
#14
REVIEW
Tanima Bose
Pharmacological targeting of memory cells is an attractive treatment strategy in various autoimmune diseases, such as psoriasis and rheumatoid arthritis. Multiple sclerosis is the most common inflammatory disorder of the central nervous system, characterized by focal immune cell infiltration, activation of microglia and astrocytes, along with progressive damage to myelin sheaths, axons, and neurons. The current review begins with the identification of memory cell types in the previous literature and a recent description of the modulation of these cell types in T, B, and resident memory cells in the presence of different clinically approved multiple sclerosis drugs...
November 7, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29101043/the-influence-and-impact-of-ageing-and-immunosenescence-isc-on-adaptive-immunity-during-multiple-sclerosis-ms-and-the-animal-counterpart-experimental-autoimmune-encephalomyelitis-eae
#15
REVIEW
Christopher Bolton, Paul A Smith
The human ageing process encompasses mechanisms that effect a decline in homeostasis with increased susceptibility to disease and the development of chronic life-threatening illness. Increasing age affects the immune system which undergoes a progressive loss of efficiency, termed immunosenescence (ISC), to impact on quantitative and functional aspects of innate and adaptive immunity. The human demyelinating disease multiple sclerosis (MS) and the corresponding animal model experimental autoimmune encephalomyelitis (EAE) are strongly governed by immunological events that primarily involve the adaptive arm of the immune response...
October 31, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/29079885/therapeutic-potential-of-curcumin-for-multiple-sclerosis
#16
Munibah Qureshi, Ebtesam A Al-Suhaimi, Fazli Wahid, Omer Shehzad, Adeeb Shehzad
Multiple sclerosis (MS) is a chronic autoimmune inflammatory disease of the central nervous system (CNS), characterized by demyelination, neuronal injury, and breaching of the blood-brain barrier (BBB). Epidemiological studies have shown that immunological, genetic, and environmental factors contribute to the progression and development of MS. T helper 17 (Th17) cells are crucial immunological participant in the pathophysiology of MS. The aberrant production of IL-17 and IL-22 by Th17 cells crosses BBB promotes its disruption and interferes with transmission of nerve signals through activation of neuroinflammation in the CNS...
October 27, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29078267/gut-dysbiosis-breaks-immunological-tolerance-toward-the-central-nervous-system-during-young-adulthood
#17
Sudhir K Yadav, Sridhar Boppana, Naoko Ito, John E Mindur, Martin T Mathay, Ankoor Patel, Suhayl Dhib-Jalbut, Kouichi Ito
Multiple sclerosis (MS) is an autoimmune disease targeting the central nervous system (CNS) mainly in young adults, and a breakage of immune tolerance to CNS self-antigens has been suggested to initiate CNS autoimmunity. Age and microbial infection are well-known factors involved in the development of autoimmune diseases, including MS. Recent studies have suggested that alterations in the gut microbiota, referred to as dysbiosis, are associated with MS. However, it is still largely unknown how gut dysbiosis affects the onset and progression of CNS autoimmunity...
October 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29074035/the-il-12-cytokine-family-in-cardiovascular-diseases
#18
T van der Heijden, I Bot, J Kuiper
Cytokines of the Interleukin (IL)-12 family, consisting of IL-12, IL-23, IL-27 and IL-35, are important regulators in (chronic) inflammatory disorders such as rheumatoid arthritis and multiple sclerosis, but also in cardiovascular diseases. Cytokines of the IL-12 family consist of two subunits and are known for their regulatory functions in the immunologic response, more specifically in the regulation and differentiation of T-helper (Th) cells such as Th1 and Th17 cells. Binding of these cytokines to its specific heterodimeric receptor results in the activation of the JAK-STAT signaling...
October 23, 2017: Cytokine
https://www.readbyqxmd.com/read/29063239/correction-to-the-sequence-of-disease-modifying-therapies-in-relapsing-multiple-sclerosis-safety-and-immunologic-considerations
#19
Gabriel Pardo, David E Jones
Unfortunately, the online published article has errors in Table 2. The Peginterferon is listed as IM, when it should be SC.
October 23, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29058769/lewis-rat-model-of-experimental-autoimmune-encephalomyelitis
#20
Kalliopi Pitarokoili, Bjoern Ambrosius, Ralf Gold
In this unit, we describe in detail the most common methods used to break immunological tolerance for central myelin antigens and induce experimental autoimmune encephalomyelitis (EAE) in Lewis rats as an animal model of multiple sclerosis. The resulting disease course ranges from an acute monophasic disease to a chronic relapsing or chronic progressive course, which strongly resembles the human disease. These models enable the study of cellular and humoral autoimmunity against major antigenic epitopes of the myelin basic protein, myelin oligodendrocyte glycoprotein, or proteolipid protein...
October 23, 2017: Current Protocols in Neuroscience
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