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Stress AND multiple sclerosis

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https://www.readbyqxmd.com/read/28100077/effects-of-m2000-d-mannuronic-acid-on-learning-memory-retrieval-and-associated-determinants-in-a-rat-model-of-alzheimer-s-disease
#1
Somayeh Athari Nik Azm, Mohammadreza Vafa, Mohammad Sharifzadeh, Majid Safa, Anis Barati, Abbas Mirshafiey
The d-mannuronic acid (M2000) is a novel nonsteroidal anti-inflammatory drug that has immunosuppressive effects together with antioxidant property. M2000 has shown a notable efficacy in experimental models of multiple sclerosis, rheumatoid arthritis, and nephrotic syndrome. In this work, the effect of M2000 on the treatment of Alzheimer's disease (AD) was performed by Morris water maze experiment, and the immunological assessments were carried out by Western blot, apoptosis (procaspase-3, Bax/Bcl2, P53), enzymatic (superoxide dismutase [SOD]), and nonenzymatic oxidative stress (malondialdehyde [MDA]) tests...
February 2017: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/28095923/nadph-oxidase-in-brain-injury-and-neurodegenerative-disorders
#2
REVIEW
Merry W Ma, Jing Wang, Quanguang Zhang, Ruimin Wang, Krishnan M Dhandapani, Ratna K Vadlamudi, Darrell W Brann
Oxidative stress is a common denominator in the pathology of neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, and multiple sclerosis, as well as in ischemic and traumatic brain injury. The brain is highly vulnerable to oxidative damage due to its high metabolic demand. However, therapies attempting to scavenge free radicals have shown little success. By shifting the focus to inhibit the generation of damaging free radicals, recent studies have identified NADPH oxidase as a major contributor to disease pathology...
January 17, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28093706/heat-shock-proteins-in-multiple-sclerosis
#3
Ortan Pinar, Yildirim Akan Ozden, Erkizan Omur, Gedizlioglu Muhtesem
Multiple sclerosis (MS) is an immune-mediated and neurodegenerative central nervous system disease, mostly affect myelin sheaths. The MS pathogenesis is still under debate. It is influenced by genetic, environment factors. Heat shock proteins (HSPs) are highly conserved proteins seen in all organisms. Not only heat stress but also under many stress conditions they are overexpressed. Their roles in MS pathogenesis are highly correlated with their location (intracellular or extracellular). In this chapter, we will discuss the role of HSP in MS pathogenesis...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28093705/manipulation-of-oxygen-and-endoplasmic-reticulum-stress-factors-as-possible-interventions-for-treatment-of-multiple-sclerosis-evidence-for-and-against
#4
Paul Eggleton, Gary R Smerdon, Janet E Holley, Nicholas J Gutowski
Multiple sclerosis (MS) is normally considered a chronic inflammatory disease of the central nervous system (CNS), where T-cells breaching the blood brain barrier react against proteins of the axonal myelin sheaths, leading to focal plaques and demyelination in the brain and spinal cord. Many current therapies are immunosuppressive in nature and are designed to target the immune system at an early stage of the disease. But there is no cure and MS may evolve into a neurodegenerative disease, where immunomodulatory treatments appear less effective...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28086920/absence-of-system-xc-on-immune-cells-invading-the-central-nervous-system-alleviates-experimental-autoimmune-encephalitis
#5
Ellen Merckx, Giulia Albertini, Magdalena Paterka, Cathy Jensen, Philipp Albrecht, Michael Dietrich, Joeri Van Liefferinge, Eduard Bentea, Lise Verbruggen, Thomas Demuyser, Lauren Deneyer, Jan Lewerenz, Geert van Loo, Jacques De Keyser, Hideyo Sato, Pamela Maher, Axel Methner, Ann Massie
BACKGROUND: Multiple sclerosis (MS) is an autoimmune demyelinating disease that affects the central nervous system (CNS), leading to neurodegeneration and chronic disability. Accumulating evidence points to a key role for neuroinflammation, oxidative stress, and excitotoxicity in this degenerative process. System xc(-) or the cystine/glutamate antiporter could tie these pathological mechanisms together: its activity is enhanced by reactive oxygen species and inflammatory stimuli, and its enhancement might lead to the release of toxic amounts of glutamate, thereby triggering excitotoxicity and neurodegeneration...
January 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28063173/identification-of-highly-connected-hub-genes-in-the-protective-response-program-of-human-macrophages-and-microglia-activated-by-alpha-b-crystallin
#6
Inge R Holtman, Malika Bsibsi, Wouter H Gerritsen, Hendrikus W G M Boddeke, Bart J L Eggen, Paul van der Valk, Markus Kipp, Johannes M van Noort, Sandra Amor
The glial stress protein alpha B-crystallin (HSPB5) is an endogenous agonist for Toll-like receptor 2 in CD14(+) cells. Following systemic administration, HSPB5 acts as a potent inhibitor of neuroinflammation in animal models and reduces lesion development in multiple sclerosis patients. Here, we show that systemically administered HSPB5 rapidly crosses the blood-brain barrier, implicating microglia as additional targets for HSPB5 along with peripheral monocytes and macrophages. To compare key players in the HSPB5-induced protective response of human macrophages and microglia, we applied weighted gene co-expression network analysis on transcript expression data obtained 1 and 4 h after activation...
January 7, 2017: Glia
https://www.readbyqxmd.com/read/28049398/infectious-agents-and-neurodegenerative-diseases-exploring-the-links
#7
Mohammad Zubair Alam, Qamre Alam, Mohammad Amjad Kamal, Asif Ahmad Jiman-Fatani, Esam I Azhar, Mohammad Azhar Khan, Absarul Haque
Recent studies have shown that bacterial and viral infections are risk factors for various neurodegenerative diseases such as Amyotrophic lateral sclerosis (ALS), Multiple Sclerosis (MS), Alzheimer's disease (AD), and Lyme disease (LD). However, it is still controversial how the infections play a role in neurological diseases progression. Infections in central nervous system may lead multiple damages in infected and neighboring cells. The infection leads to the activation of inflammatory processes and host immune responses, which acts as defense mechanism and also causes damage to the host neuronal functions and viability...
January 3, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28042737/thyroid-hormone-level-is-associated-with-the-frequency-and-severity-of-guillain-barr%C3%A3-syndrome
#8
Yuanyuan Huang, Zhaojian Ying, Zhibo Chen, Weiwei Xiang, Zhongqian Su, Weiwei Quan, Yiyun Weng, Xu Zhang
OBJECTIVE: Guillain-Barré syndrome (GBS) is a neurodegenerative and inflammatory demyelination disorder, and oxidative stress is concerned with the pathogenesis of the disease. Also we found that thyroid hormone level is correlated to the oxidative and antioxidant status in previous studies. Our study was aimed to find the possible relationship between the frequency and severity of GBS and thyroid hormone levels. MATERIALS AND METHODS: We measured serum levels of thyroid stimulating hormone (TSH), free thyroxine (FT4) and free triiodothyronine (FT3) in 238 individuals, including 90 GBS, 44 multiple sclerosis (MS) and 104 healthy controls...
January 2, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28038358/il-22-promotes-fas-expression-in-oligodendrocytes-and-inhibits-foxp3-expression-in-t-cells-by-activating-the-nf-%C3%AE%C2%BAb-pathway-in-multiple-sclerosis
#9
Jin Zhen, Jun Yuan, Yongwang Fu, Runxiu Zhu, Meiling Wang, Hong Chang, Yan Zhao, Dong Wang, Zuneng Lu
Multiple sclerosis (MS) is characterized by an increase in interleukin-22 and Fas, and a decrease in FOXP3, among other factors. In this study, we examined patients with MS and healthy control subjects and used the experimental autoimmune encephalomyelitis (EAE) animal model to identify the effects of IL-22 on oligodendrocytes and T cells in MS development. In MS, the expression of Fas in oligodendrocytes and IL-22 in CD4(+)CCR4(+)CCR6(+)CCR10(+) T cells was enhanced. Ikaros and FOXP3 were both decreased in T cells...
December 27, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/28032077/the-effect-of-group-mindfulness-based-stress-reduction-and-consciousness-yoga-program-on-quality-of-life-and-fatigue-severity-in-patients-with-ms
#10
Somayeh Nejati, Sepideh Rajezi Esfahani, Soheila Rahmani, Gita Afrookhteh, Shahrzad Hoveida
Introduction: The chronic nature of Multiple Sclerosis (MS), have can leave devastating effects on quality of life and fatigue. The present research aimed to study the effect of group Mindfulness-based Stress Reduction (MBSR) and conscious yoga program on the quality of life and fatigue severity among patients with MS. Methods: This study was quasi-experimental with intervention and control groups. The statistical population included all members to MS Society of Tehran Province, 24 of whom diagnosed with MS were selected as the sample based on the inclusion criteria...
December 2016: Journal of Caring Sciences
https://www.readbyqxmd.com/read/28011382/multiple-sclerosis-therapeutic-applications-of-advancing-drug-delivery-systems
#11
REVIEW
Sanam Dolati, Zohreh Babaloo, Farhad Jadidi-Niaragh, Hormoz Ayromlou, Sanam Sadreddini, Mehdi Yousefi
Multiple sclerosis (MS) is an inflammatory autoimmune disease of the central nervous system, which is accompanying with demyelination, neurodegeneration and sensibility to oxidative stress. In MS, auto-reactive lymphocytes cross the blood-brain barrier (BBB) and reside in the perivenous demyelinating lesions which create various distinct inflammatory demyelinated plaques situated predominantly in the white matter. The current MS-related therapeutic approaches can be classified into disease-modifying therapies (DMTs) and symptomatic therapy...
December 20, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27993870/possible-implication-of-gstp1-and-nqo1-polymorphisms-on-natalizumab-response-in-multiple-sclerosis
#12
Athanasia Alexoudi, Sophia Zachaki, Chrysa Stavropoulou, Stavroula Gavrili, Chara Spiliopoulou, Stavroula Papadodima, Clementine E Karageorgiou, Constantina Sambani
Oxidative stress plays a pivotal role in the pathogenesis of multiple sclerosis (MS). Inactivating polymorphism of genes encoding detoxification enzymes, such as NQO1 and GSTP1 could influence susceptibility to MS. The monoclonal antibody natalizumab is an effective treatment in MS. Natalizumab's efficacy in MS patients with regard to NQO1 and GSTP1 genetic polymorphisms is investigated. 130 patients with definite MS according to the Mc Donald's criteria treated monthly with natalizumab were included in the study...
December 2016: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/27984835/-phenomenology-and-clinical-relevance-of-the-flammer-syndrome
#13
K Konieczka, J Flammer
The Flammer syndrome (FS) describes the phenotype of people with a predisposition for an altered reaction of the blood vessels to stimuli like coldness, emotional stress or high altitude. Frequent symptoms are: cold hands and/or feet, low blood pressure, prolonged sleep onset time, reduced feeling of thirst, increased sensitivity to odour, pain, vibration and certain drugs. SF subjects are often ambitious and successful but also perfectionistic and sometimes brooding. Frequent signs are: altered gene expression, prolonged blood flow cessation in nailfold capillaroscopy after cold provocation, reduced autoregulation of ocular blood flow, and reduced vasodilation after stimulation with flickering light...
December 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27979325/early-cognitive-impairment-along-with-decreased-stress-induced-bdnf-in-male-and-female-patients-with-newly-diagnosed-multiple-sclerosis
#14
Barbora Prokopova, Natasa Hlavacova, Miroslav Vlcek, Adela Penesova, Lucia Grunnerova, Alexandra Garafova, Peter Turcani, Branislav Kollar, Daniela Jezova
The aim of this study was to evaluate neuroendocrine activation during stress in patients with recently diagnosed multiple sclerosis before starting the immunomodulatory therapy (EDSS score≤2.0). We verified the hypothesis that certain cognitive and affective dysfunction is present already at this early stage of the disease. The sample consisted of 38 subjects, which involved patients who were recently diagnosed multiple sclerosis and age- and sex-matched healthy volunteers. Stroop test served as mental stress model enabling measurement of cognitive performance...
January 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27978789/heat-shock-proteins-therapeutic-perspectives-in-inflammatory-disorders
#15
Rekha Khandia, Ashok K Munjal, Hafiz M N Iqbal, Kuldeep Dhama
Heat shock proteins (HSPs) are highly conserved proteins present in all kingdoms of organisms. These are expressed under stress conditions in order to protect the cells from injuries. The stress induced protein denaturation is rectified by refolding and remodelling. These are intracellular proteins but can be present in extracellular fluid like serum of the patients suffering from trauma, autoimmune and inflammatory disorders. Virtually in most inflammatory diseases, immune response towards HSPs is developed...
December 13, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/27965646/synthesis-of-sphingolipids-impacts-survival-of-porphyromonas-gingivalis-and-the-presentation-of-surface-polysaccharides
#16
Zachary D Moye, Kornelija Valiuskyte, Floyd E Dewhirst, Frank C Nichols, Mary E Davey
Bacteria alter the biophysical properties of their membrane lipids in response to environmental cues, such as shifts in pH or temperature. In essence, lipid composition determines membrane structure, which in turn influences many basic functions, such as transport, secretion, and signaling. Like other members of the phylum Bacteroidetes, the oral anaerobe Porphyromonas gingivalis possesses the ability to synthesize a variety of novel membrane lipids, including species of dihydroceramides that are distinct, yet similar in structure to sphingolipids produced by the human host...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27917122/glucagon-like-peptide-1-analog-liraglutide-delays-onset-of-experimental-autoimmune-encephalitis-in-lewis-rats
#17
Brian DellaValle, Gitte S Brix, Birgitte Brock, Michael Gejl, Anne M Landau, Arne Møller, Jørgen Rungby, Agnete Larsen
Introduction: Recent findings indicate that metabolic disturbances are involved in multiple sclerosis (MS) pathology and influence the susceptibility to treatment, directing attention toward anti-diabetic drugs such as metformin and pioglitazone. Liraglutide, a drug of the glucagon-like peptide-1 (GLP-1) family, is also anti-diabetic and weight-reducing and is, moreover, directly neuroprotective and anti-inflammatory in a broad spectrum of experimental models of brain disease. In this study we investigate the potential for this FDA-approved drug, liraglutide, as a treatment for MS by utilizing the experimental model, experimental autoimmune encephalitis (EAE)...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27907914/anxiety-and-coping-strategy-changes-in-multiple-sclerosis-patients-initiating-fingolimod-the-grace-prospective-study
#18
Thibault Moreau, Catherine Bungener, Olivier Heinzlef, Laurent Suchet, Florent Borgel, Isabelle Bourdeix, Mohamed Meite, Karin Rerat, Isabelle Chouette
The objective of this prospective study was to assess the changes in anxiety levels, and their relationship with coping strategies over the first four months of fingolimod treatment in patients with relapsing remitting multiple sclerosis (RRMS). Data were collected at the inclusion visit (Visit 1) and 4 months later (Visit 2). We used the Hospital Anxiety and Depression Scale (HADS) to assess the level of anxiety and the Coping Inventory for Stressful Situations scale to assess the coping strategies used when engaged with stressful situations...
2017: European Neurology
https://www.readbyqxmd.com/read/27904492/hydroxycitric-acid-ameliorates-inflammation-and-oxidative-stress-in-mouse-models-of-multiple-sclerosis
#19
Mahdi Goudarzvand, Sanaz Afraei, Somaye Yaslianifard, Saleh Ghiasy, Ghazal Sadri, Mustafa Kalvandi, Tina Alinia, Ali Mohebbi, Reza Yazdani, Shahin Khadem Azarian, Abbas Mirshafiey, Gholamreza Azizi
Hydroxycitric acid (HCA) is derived primarily from the Garcinia plant and is widely used for its anti-inflammatory effects. Multiple sclerosis can cause an inflammatory demyelination and axonal damage. In this study, to validate the hypothesis that HCA exhibits therapeutic effects on multiple sclerosis, we established female C57BL/6 mouse models of multiple sclerosis, i.e., experimental autoimmune encephalomyelitis, using Complete Freund's Adjuvant (CFA) emulsion containing myelin oligodendrocyte glycoprotein (35-55)...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27899051/anxiety-levels-are-independently-associated-with-cognitive-performance-in-an-australian-multiple-sclerosis-patient-cohort
#20
Karen Ribbons, Rodney Lea, Peter W Schofield, Jeannette Lechner-Scott
Neurological and psychological symptoms in multiple sclerosis can affect cognitive function. The objective of this study was to explore the relationship between psychological measures and cognitive performance in a patient cohort. In 322 multiple sclerosis patients, psychological symptoms were measured using the Depression Anxiety and Stress Scale, and cognitive function was evaluated using Audio Recorded Cognitive Screen. Multifactor linear regression analysis, accounting for all clinical covariates, found that anxiety was the only psychological measure to remain a significant predictor of cognitive performance (p<0...
November 30, 2016: Journal of Neuropsychiatry and Clinical Neurosciences
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