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Stress AND multiple sclerosis

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https://www.readbyqxmd.com/read/29049097/low-serum-uric-acid-levels-in-patients-with-acute-central-nervous-system-viral-infections
#1
Xiang Li, Qiaowen Tong, Dewei Xie, Zhibo Chen, Sipei Pan, Xu Zhang, Wanli Dong
Most acute central nervous system (CNS) viral infections lead to either encephalitis or meningitis. Many neurotropic viruses may cause CNS dysfunctions through various mechanisms including oxidative stress. Serum uric acid (SUA) levels, which are associated with oxidative stress and antioxidant status, are reduced in patients with various neurological disorders, including multiple sclerosis. We investigated the possible correlation between SUA levels and clinical disease status in patients with acute CNS viral infections...
October 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/29027376/adenosine-a2a-receptor-agonist-ameliorates-eae-and-correlates-with-th1-cytokine-induced-blood-brain-barrier-dysfunction-via-suppression-of-mlck-signaling-pathway
#2
Ying Liu, Marwan Alahiri, Bianca Ulloa, Boxun Xie, Saud A Sadiq
INTRODUCTION: Multiple sclerosis (MS) disease activity is associated with blood-brain barrier (BBB) disruption, which is mediated by inflammatory cytokines released by CD4+ lymphocytes. To assess the effects of adenosine A2A receptors on BBB permeability in vitro and in vivo. METHODS: A2A receptor expression was detected by immunostaining in experimental autoimmune encephalomyelitis (EAE) C57BL/6 mice immunized with myelin oligodendrocyte glycoprotein (MOG)35-55 , and human MS brain...
October 12, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29022246/alpha-lipoic-acid-mitigates-toxic-induced-demyelination-in-the-corpus-callosum-by-lessening-of-oxidative-stress-and-stimulation-of-polydendrocytes-proliferation
#3
Nima Sanadgol, Fereshteh Golab, Hassan Askari, Fatemeh Moradi, Marziyeh Ajdary, Mehdi Mehdizadeh
Multiple Sclerosis (MS), is a disease that degenerates myelin in central nervous system (CNS). Reactive oxygen species (ROSs) are toxic metabolites, and accumulating data indicate that ROSs-mediated apoptosis of oligodendrocytes (OLGs) plays a major role in the pathogenesis of MS under oxidative stress conditions. In this study, we investigated the role of endogenous antioxidant alpha-lipoic acid (ALA) as ROSs scavenger in the OLGs loss and myelin degeneration during cuprizone (cup)-induced demyelination in the experimental model of MS...
October 12, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28991684/vitamin-d-deficiency-is-associated-with-disability-and-disease-progression-in-multiple-sclerosis-patients-independently-of-oxidative-and-nitrosative-stress
#4
Sayonara R Oliveira, Andréa N C Simão, Daniela Frizon Alfieri, Tamires Flauzino, Ana Paula Kallaur, Leda Mezzaroba, Marcell Alysson B Lozovoy, Beatriz Sardinha Sabino, Katerine Panichi Zanin Ferreira, Wildea L C J Pereira, Damacio R Kaimen-Maciel, Isaias Dichi, Edna M V Reiche
The aim of this study was to assess vitamin D status in patients with multiple sclerosis (MS) and to evaluate whether it was associated with oxidative and nitrosative stress (O&NS) markers and disability. This study included 137 patients with MS and 218 healthy controls. The markers evaluated were serum levels of 25-hydroxyvitamin D, lipid hydroperoxides, advanced oxidation protein products (AOPP), nitric oxide metabolites (NOx), and total radical-trapping antioxidant parameter TRAP/UA. Patients with 25(OH)D<20ng/mL showed higher EDSS (p=0...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28989549/the-effectiveness-of-mindfulness-based-stress-reduction-on-psychological-distress-and-cognitive-functioning-in-patients-with-multiple-sclerosis-a-pilot-study
#5
Roos J Blankespoor, Melanie P J Schellekens, Sandra H Vos, Anne E M Speckens, Brigit A de Jong
Patients with multiple sclerosis (MS) often suffer from psychological distress and cognitive dysfunctioning. These factors negatively impact the health-related quality of life. Only recently behavioral therapeutic approaches are being used to treat psychological distress in MS. The aim of the present pilot study was not only to investigate the effectiveness of mindfulness-based stress reduction (MBSR) on psychological distress but also to explore whether it can improve cognitive functioning among patients with MS...
2017: Mindfulness
https://www.readbyqxmd.com/read/28980404/preventive-and-therapeutic-potential-of-ascorbic-acid-in-neurodegenerative-diseases
#6
REVIEW
Morgana Moretti, Daiane Bittencourt Fraga, Ana Lúcia S Rodrigues
In this review, we summarize the involvement of ascorbic acid in neurodegenerative diseases by presenting available evidence on the behavioral and biochemical effects of this compound in animal models of neurodegeneration as well as the use of ascorbic acid as a therapeutic approach to alleviate neurodegenerative progression in clinical studies. Ascorbate, a reduced form of vitamin C, has gained interest for its multiple functions and mechanisms of action, contributing to the homeostasis of normal tissues and organs as well as to tissue regeneration...
October 4, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28978801/metabolic-alterations-in-multiple-sclerosis-and-the-impact-of-vitamin-d-supplementation
#7
Pavan Bhargava, Kathryn C Fitzgerald, Peter A Calabresi, Ellen M Mowry
BACKGROUND: Our goal was to identify changes in the metabolome in multiple sclerosis (MS) and how vitamin D supplementation alters metabolic profiles in MS patients and healthy controls. METHODS: We applied global untargeted metabolomics to plasma from a cross-sectional cohort of age- and sex-matched MS patients and controls and a second longitudinal cohort of MS patients and healthy controls who received 5,000 IU cholecalciferol daily for 90 days. We applied partial least squares discriminant analysis, weighted correlation network analysis (WGCNA), and pathway analysis to the metabolomics data...
October 5, 2017: JCI Insight
https://www.readbyqxmd.com/read/28966637/metabolic-pathways-as-possible-therapeutic-targets-for-progressive-multiple-sclerosis
#8
REVIEW
Rebecca M Heidker, Mitchell R Emerson, Steven M LeVine
Unlike relapsing remitting multiple sclerosis, there are very few therapeutic options for patients with progressive forms of multiple sclerosis. While immune mechanisms are key participants in the pathogenesis of relapsing remitting multiple sclerosis, the mechanisms underlying the development of progressive multiple sclerosis are less well understood. Putative mechanisms behind progressive multiple sclerosis have been put forth: insufficient energy production via mitochondrial dysfunction, activated microglia, iron accumulation, oxidative stress, activated astrocytes, Wallerian degeneration, apoptosis, etc...
August 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28958667/dimethyl-fumarate-influences-innate-and-adaptive-immunity-in-multiple-sclerosis
#9
Martin Diebold, Claudia Sievers, Glenn Bantug, Nicholas Sanderson, Ludwig Kappos, Jens Kuhle, Raija L P Lindberg, Tobias Derfuss
INTRODUCTION: The mode of action of dimethyl fumarate (DMF), an immunomodulatory treatment for relapsing-remitting multiple sclerosis (RRMS), has not yet been fully elucidated. While in-vitro experiments and animal studies suggest effects on immune cell survival, proliferation, migration and oxidative stress response, corresponding observations from human studies are lacking. This study aims to characterize ex-vivo and in-vivo effects in a cohort of DMF treated RRMS patients. METHODS: Blood samples were collected from twenty well-characterized RRMS patients at baseline and after 3, 6 and 12 months of DMF treatment and an age- and gender-matched cohort of 20 healthy individuals at 0 and 3 months...
September 25, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28949008/vitamin-d-deficiency-accelerates-ageing-and-age-related-diseases-a-novel-hypothesis
#10
Michael J Berridge
Ageing can occur at different rates, but what controls this variable rate is unknown. Here I have developed a hypothesis that Vitamin D may act to control the rate of ageing. The basis of this hypothesis emerged from studyng the various cellular processes that control ageing. These processes such as autophagy, mitochondrial dysfunction, inflammation, oxidative stress, epigenetic changes, DNA disorders and alterations in Ca(2+) and reactive oxygen species (ROS) signalling are all known to be regulated by Vitamin D...
September 26, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28939293/dose-dependent-s-allyl-cysteine-ameliorates-multiple-sclerosis-disease-related-pathology-by-reducing-oxidative-stress-and-biomarkers-of-dysbiosis-in-experimental-autoimmune-encephalomyelitis
#11
B M Escribano, E Luque, M Aguilar-Luque, M Feijóo, J Caballero-Villarraso, L A Torres, V Ramirez, F I García-Maceira, E Agüera, A Santamaria, I Túnez
Garlic is a component of the Mediterranean diet. S-allyl cysteine (SAC), the most common organosulphur present in garlic, possesses neuroprotective properties. This investigation was performed to evaluate the dose-dependent protective action of SAC on oxidative damage, inflammation and gut microbiota alterations biomarkers. Experimental autoimmune encephalomyelitis (EAE) as a model of multiple sclerosis (MS) was induced by the myelin oligodendrocyte glycoprotein (MOG), whose effects were quantified by examining the changes in: clinical score, lipid peroxidation products, carbonylated proteins, glutathione system, tumor necrosis factor alpha (TNFα), and lipopolysaccharide membrane bacteria (LPS)...
September 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28938101/exposure-to-particulate-matter-air-pollution-and-risk-of-multiple-sclerosis-in-two-large-cohorts-of-us-nurses
#12
N Palacios, K L Munger, K C Fitzgerald, J E Hart, T Chitnis, A Ascherio, F Laden
BACKGROUND: Air pollution is thought to raise the risk of neurological disease by promoting neuroinflammation, oxidative stress, glial activation and cerebrovascular damage. Multiple Sclerosis is a common auto-immune disorder, primarily affecting young women. We conducted, to a large prospective study of particulate matter (PM) exposure and multiple sclerosis (MS) risk in two prospective cohorts of women: the Nurses Health Study (NHS) and the Nurses Health Study II (NHS II). METHODS: Cumulative average exposure to different size fractions of PM up to the onset of MS was estimated using spatio-temporal models...
September 19, 2017: Environment International
https://www.readbyqxmd.com/read/28915963/hepcidin-and-metallothioneins-as-molecular-base-for-sex-dependent-differences-in-clinical-course-of-experimental-autoimmune-encephalomyelitis-in-chronic-iron-overload
#13
Božena Ćurko-Cofek, Tanja Grubić Kezele, Vesna Barac-Latas
Multiple sclerosis is a chronic demyelinating disease of the central nervous system characterised by inflammatory and degenerative changes. It is considered that disease arises from the influence of environmental factors on genetically susceptible individuals. Recent researches, using magnetic resonance imaging, connected iron deposits in different brain regions with demyelinating process in multiple sclerosis patients. Although iron is an essential trace element important for many biological functions it could be harmful because iron excess can induce the production of reactive oxygen species, development of oxidative stress and lipid peroxidation which leads to demyelination...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28904554/plants-derived-neuroprotective-agents-cutting-the-cycle-of-cell-death-through-multiple-mechanisms
#14
REVIEW
Taiwo Olayemi Elufioye, Tomayo Ireti Berida, Solomon Habtemariam
Neuroprotection is the preservation of the structure and function of neurons from insults arising from cellular injuries induced by a variety of agents or neurodegenerative diseases (NDs). The various NDs including Alzheimer's, Parkinson's, and Huntington's diseases as well as amyotropic lateral sclerosis affect millions of people around the world with the main risk factor being advancing age. Each of these diseases affects specific neurons and/or regions in the brain and involves characteristic pathological and molecular features...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28904538/the-effect-of-group-cognitive-behavioral-therapy-on-stress-anxiety-and-depression-of-women-with-multiple-sclerosis
#15
Saeid Pahlavanzadeh, Samira Abbasi, Nasrollah Alimohammadi
BACKGROUND: One of the factors that could influence the quality of life in patients with multiple sclerosis, which is usually overlooked, is its psychological aspects. Considering the increasing acceptance of complementary medicine in the health system, this study was designed and conducted to determine the effect of group cognitive therapy on the stress, anxiety, and depression of women suffering from multiple sclerosis. MATERIALS AND METHODS: This clinical trial was conducted among 70 women suffering from multiple sclerosis who were referred to the health centers of Isfahan...
July 2017: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/28899203/an-overview-of-the-advantages-of-keap1-nrf2-system-activation-during-inflammatory-disease-treatment
#16
Nadine Keleku-Lukwete, Mikiko Suzuki, Masayuki Yamamoto
Inflammation can be defined as a protective immune response against harmful exogenous and endogenous stimuli. Nevertheless, prolonged or autoimmune inflammatory responses are likely to cause pathological states that are associated with a production of inflammation-associated molecules along with reactive oxygen species (ROS). Kelch-like ECH-associated protein 1-nuclear factor erythroid 2-related factor 2 (KEAP1-NRF2) signaling provides a cell protection mechanism against oxidative insults when endogenous stress defense mechanisms are imbalanced...
October 20, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28894553/effect-of-alpha-lipoic-acid-on-asymmetric-dimethylarginine-and-disability-in-multiple-sclerosis-patients-a-randomized-clinical-trial
#17
Mohammad Khalili, Madjid Soltani, Shirin Amiri Moghadam, Parvin Dehghan, Amirreza Azimi, Omid Abbaszadeh
BACKGROUND: Multiple Sclerosis (MS) is an inflammatory and demyelinating disease of the central nervous system. Oxidative stress plays a major role in the onset and progression of MS. Asymmetric dimethylarginine (ADMA) formation is dependent on oxidative stress status. OBJECTIVE: We examined whether alpha-lipoic acid (ALA) as a potent antioxidant could improve the Expanded Disability Status Scale (EDSS) and decrease plasma level of ADMA in multiple sclerosis patients...
July 2017: Electronic Physician
https://www.readbyqxmd.com/read/28894435/neuroactive-steroids-receptor-interactions-and-responses
#18
REVIEW
Kald Beshir Tuem, Tesfay Mehari Atey
Neuroactive steroids (NASs) are naturally occurring steroids, which are synthesized centrally as de novo from cholesterol and are classified as pregnane, androstane, and sulfated neurosteroids (NSs). NASs modulate many processes via interacting with gamma-aminobutyric acid (GABA), N-methyl-d-aspartate, serotonin, voltage-gated calcium channels, voltage-dependent anion channels, α-adrenoreceptors, X-receptors of the liver, transient receptor potential channels, microtubule-associated protein 2, neurotrophin nerve growth factor, and σ1 receptors...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28882588/ask1-in-neurodegeneration
#19
REVIEW
Xiaoli Guo, Kazuhiko Namekata, Atsuko Kimura, Chikako Harada, Takayuki Harada
Neurodegenerative diseases (NDDs) such as glaucoma, multiple sclerosis (MS), Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and Huntington's disease (HD) are characterized by the progressive loss of neurons, causing irreversible damage to patients. Longer lifespans may be leading to an increase in the number of people affected by NDDs worldwide. Among the pathways strongly impacting the pathogenesis of NDDs, oxidative stress, a condition that occurs because of an imbalance in oxidant and antioxidant levels, has been known to play a vital role in the pathophysiology of NDDs...
September 1, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28875857/is-there-a-link-between-vitamin-b-and-multiple-sclerosis
#20
Natalie Nemazannikova, Kathleen Mikkelsen, Lily Stojanovska, Gregory L Blatch, Vasso Apostolopoulos
BACKGROUND: Damage to the myelin sheath (demyelination) is one of the main manifestations of multiple sclerosis (MS). Interestingly, both MS and vitamin B deficiency results in severe myelin degeneration that leads to loss in neuronal signal transmission. OBJECTIVE: Deficiency in vitamin B complex vary, although common symptoms include fatigue, increased oxidative stress, inflammation and demyelination. In particular, vitamin B12 (cobalamin) has had increased attention for its role in the methylation process, involvement in myelination and re-myelination, and reversal of MS symptoms...
September 6, 2017: Medicinal Chemistry
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