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Stress AND multiple sclerosis

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https://www.readbyqxmd.com/read/29222490/ran-translation-at-c9orf72-associated-repeat-expansions-is-selectively-enhanced-by-the-integrated-stress-response
#1
Katelyn M Green, M Rebecca Glineburg, Michael G Kearse, Brittany N Flores, Alexander E Linsalata, Stephen J Fedak, Aaron C Goldstrohm, Sami J Barmada, Peter K Todd
Repeat-associated non-AUG (RAN) translation allows for unconventional initiation at disease-causing repeat expansions. As RAN translation contributes to pathogenesis in multiple neurodegenerative disorders, determining its mechanistic underpinnings may inform therapeutic development. Here we analyze RAN translation at G4C2 repeat expansions that cause C9orf72-associated amyotrophic lateral sclerosis and frontotemporal dementia (C9RAN) and at CGG repeats that cause fragile X-associated tremor/ataxia syndrome...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29210072/chemical-hypoxia-induced-integrated-stress-response-activation-in-oligodendrocytes-is-mediated-by-the-transcription-factor-nuclear-factor-erythroid-derived-2-like-2-nrf2
#2
Nico Teske, Annette Liessem, Felix Fischbach, Tim Clarner, C Beyer, Christoph Wruck, Athanassios Fragoulis, Simone C Tauber, Marion Victor, Markus Kipp
The extent of remyelination in multiple sclerosis (MS) lesions is often incomplete. Injury to oligodendrocyte progenitor cells can be a contributing factor for such incomplete remyelination. The precise mechanisms underlying insufficient repair remain to be defined, but oxidative stress appears to be involved. Here, we used immortalized oligodendrocyte cell lines as model systems to investigate a causal relation of oxidative stress and endoplasmic reticulum stress signaling cascades. OLN93 and OliNeu cells were subjected to chemical hypoxia by blocking the respiratory chain at various levels...
December 6, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29209435/diseases-potentially-related-to-flammer-syndrome
#3
REVIEW
Katarzyna Konieczka, Carl Erb
Flammer syndrome (FS) is a prevalent and mostly benign condition. Subjects with FS seem to have a good life expectancy. Nevertheless, FS subjects are at increased risk for certain diseases, mainly when they are challenged by psychological stress or other stimuli such as coldness. FS is related to ocular diseases, such as normal-tension glaucoma, retinitis pigmentosa, central serous chorioretinopathy, optic nerve compartment syndrome, Leber's hereditary optic neuropathy, arterial or venous occlusions in the retina, and choroid and optic nerve head, despite the absence of classical vascular risk factors...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29205262/perceptions-on-the-value-of-bodily-functions-in-multiple-sclerosis
#4
C Heesen, R Haase, S Melzig, J Poettgen, M Berghoff, P Friedemann, U Zettl, M Marziniak, K Angstwurm, R Kern, T Ziemssen, J P Stellmann
BACKGROUND: In neurological diseases presenting with a plethora of symptoms, the value of bodily functions for a given patient might be a guide for clinical management. Multiple sclerosis (MS) is paradigmatic in this respect, and little is known about the value of different bodily functions of patients and their physicians' perceptions. METHODS: In a multicenter study, 171 patients with relapsing-remitting multiple sclerosis (RRMS), 61% with a clinically active disease within the last 2 years were followed over up to 3 years and yearly patients and their study physician rated on the perceived value of 13 bodily functions via a priority list...
December 3, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29201025/regulation-of-neuroinflammation-what-role-for-the-tumor-necrosis-factor-like-weak-inducer-of-apoptosis-fn14-pathway
#5
REVIEW
Audrey Boulamery, Sophie Desplat-Jégo
Observed in many central nervous system diseases, neuroinflammation (NI) proceeds from peripheral immune cell infiltration into the parenchyma, from cytokine secretion and from oxidative stress. Astrocytes and microglia also get activated and proliferate. NI manifestations and consequences depend on its context and on the acute or chronic aspect of the disease. The tumor necrosis factor-like weak inducer of apoptosis (TWEAK)/Fn14 pathway has been involved in chronic human inflammatory pathologies such as neurodegenerative, autoimmune, or malignant diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29184578/the-effect-of-emotional-intelligence-training-on-self-efficacy-in-women-with-multiple-sclerosis
#6
Zahra Mehrabi, Fatemeh Nazari, Tayebe Mehrabi, Vahid Shaygannejad
Background: Multiple sclerosis (MS), a chronic disease of the central nervous system (CNS), causing progressive nerve damage, has disabling symptoms, and undermines self-efficacy beliefs. Due to the importance of self-efficacy modified in adaptation and coping with stress, this study was conducted with the aim to investigate the effect of emotional intelligence training on self-efficacy in women with MS. Materials and Methods: This randomized clinical trial was conducted on 70 women referring to the Multiple Sclerosis Clinic of Kashani Hospital, Isfahan, Iran...
November 2017: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/29181127/oxidative-modification-of-blood-serum-proteins-in-multiple-sclerosis-after-interferon-beta-and-melatonin-treatment
#7
Monika Adamczyk-Sowa, Sabina Galiniak, Ewa Żyracka, Michalina Grzesik, Katarzyna Naparło, Paweł Sowa, Grzegorz Bartosz, Izabela Sadowska-Bartosz
Multiple sclerosis (MS) is a disease involving oxidative stress (OS). This study was aimed at examination of the effect of melatonin supplementation on OS parameters, especially oxidative protein modifications of blood serum proteins, in MS patients. The study included 11 control subjects, 14 de novo diagnosed MS patients with the relapsing-remitting form of MS (RRMS), 36 patients with RRMS receiving interferon beta-1b (250 μg every other day), and 25 RRMS patients receiving interferon beta-1b plus melatonin (5 mg daily)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29160038/endoplasmic-reticulum-in-health-and-disease-the-12th-international-calreticulin-workshop-delphi-greece
#8
REVIEW
Aristidis S Charonis, Marek Michalak, Jody Groenendyk, Luis B Agellon
Starting from 1994, every 2 years, an international workshop is organized focused on calreticulin and other endoplasmic reticulum chaperones. In 2017, the workshop took place at Delphi Greece. Participants from North and South America, Europe, Asia and Australia presented their recent data and discussed them extensively with their colleagues. Presentations dealt with structural aspects of calreticulin and calnexin, the role of Ca(2+) in cellular signalling and in autophagy, the endoplasmic reticulum stress and the unfolded protein response, the role of calreticulin in immune responses...
November 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29157400/advanced-symptom-management-in-multiple-sclerosis
#9
REVIEW
Elizabeth Crabtree-Hartman
Meaningful symptom management can have a profound impact on quality of life. It can challenge time parameters during clinic, and therefore thought should be given to strategies that can improve efficiency and thereby make the undertaking more tenable. For any given symptom, the building blocks of care, such as vitamin D status, exercise/physical therapy, nutrition, and stress management, and ensuring disease-modifying therapy coverage, should be maximized. For each symptom, there are pharmacologic and nonpharmacologic interventions...
February 2018: Neurologic Clinics
https://www.readbyqxmd.com/read/29157092/single-agent-and-synergistic-combinatorial-efficacy-of-first-in-class-small-molecule-imipridone-onc201-in-hematological-malignancies
#10
Varun V Prabhu, Mala K Talekar, Amriti R Lulla, C Leah B Kline, Lanlan Zhou, Junior Hall, A Pieter J Van den Heuvel, David T Dicker, Jawad Babar, Stephan A Grupp, Mathew J Garnett, Ultan McDermott, Cyril H Benes, Jeffrey J Pu, David F Claxton, Nadia Khan, Wolfgang Oster, Joshua E Allen, Wafik S El-Deiry
ONC201, founding member of the imipridone class of small molecules, is currently being evaluated in advancer cancer clinical trials. We explored single agent and combinatorial efficacy of ONC201 in preclinical models of hematological malignancies. ONC201 demonstrated (GI50 1-8 µM) dose- and time-dependent efficacy in acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), chronic myelogenous leukemia (CML), chronic lymphocytic leukemia (CLL), diffuse large B-cell lymphoma (DLBCL), mantle cell lymphoma (MCL), Burkitt's lymphoma, anaplastic large cell lymphoma (ALCL), cutaneous T-cell lymphoma (CTCL), Hodgkin's lymphoma (nodular sclerosis) and multiple myeloma (MM) cell lines including cells resistant to standard of care (dexamethasone in MM) and primary samples...
November 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29156301/evaluation-of-serum-arsenic-and-its-effects-on-antioxidant-alterations-in-relapsing-remitting-multiple-sclerosis-patients
#11
Kobra Bahrampour Juybari, Ghasem Ebrahimi, Mohammad Amin Momeni Moghaddam, Gholamreza Asadikaram, Masoud Torkzadeh-Mahani, Mahboobeh Akbari, Solmaz Mirzamohammadi, Atieh Karimi, Mohammad Hadi Nematollahi
BACKGROUND: Environmental factors that are involved in the development of autoimmune diseases include bacteria, viruses, and xenobiotics such as chemicals, drugs, and metals. Regarding the metals, a number of studies have demonstrated that oxidative stress is one of the well-directed pathways of arsenic-induced tissue damages. This study was designed to explore the serum concentrations of arsenic and its correlation with markers associated with oxidative stress in relapsing-remitting MS (RRMS) patients...
November 13, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29154558/pilot-evaluation-of-a-resilience-training-program-for-people-with-multiple-sclerosis
#12
Kenneth I Pakenham, Matthew Mawdsley, Felicity L Brown, Nicola W Burton
OBJECTIVE: To evaluate the feasibility and psychosocial outcomes of an Acceptance and Commitment Therapy (ACT)-based group resilience training program for people with multiple sclerosis (PwMS). Research Method/Design: The study used a pre-post group intervention design with 3-month follow-up. The intervention consisted of 8 group sessions of 2.5 hours each with 7 weekly sessions plus a booster Session 5 weeks later. Thirty-seven PwMS completed questionnaires. Primary psychosocial outcomes were resilience, quality of life (QoL), and distress...
November 20, 2017: Rehabilitation Psychology
https://www.readbyqxmd.com/read/29153328/tdp-43-promotes-neurodegeneration-by-impairing-chromatin-remodeling
#13
Amit Berson, Ashley Sartoris, Raffaella Nativio, Vivianna Van Deerlin, Jon B Toledo, Sílvia Porta, Shichong Liu, Chia-Yu Chung, Benjamin A Garcia, Virginia M-Y Lee, John Q Trojanowski, F Brad Johnson, Shelley L Berger, Nancy M Bonini
Regulation of chromatin structure is critical for brain development and function. However, the involvement of chromatin dynamics in neurodegeneration is less well understood. Here we find, launching from Drosophila models of amyotrophic lateral sclerosis and frontotemporal dementia, that TDP-43 impairs the induction of multiple key stress genes required to protect from disease by reducing the recruitment of the chromatin remodeler Chd1 to chromatin. Chd1 depletion robustly enhances TDP-43-mediated neurodegeneration and promotes the formation of stress granules...
November 9, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/29138683/the-evaluation-of-oxidative-stress-parameters-in-serum-patients-with-relapsing-remitting-multiple-sclerosis-treated-with-ii-line-immunomodulatory-therapy
#14
Bożena Adamczyk, Sławomir Wawrzyniak, Sławomir Kasperczyk, Monika Adamczyk-Sowa
Objectives: The assessment of oxidative stress (OS) in serum relapsing-remitting multiple sclerosis patients treated with II-line immunomodulatory therapy (fingolimod, natalizumab) compared to newly diagnosed patients (de novo group) treated with interferon (IFN) beta and controls. The relationship between OS parameters and gender, age, disease duration, Expanded Disability Status Scale, annualized relapse rate, MRI lesions in patients treated with II-line. Materials and Methods: One hundred and twenty-one patients with RRMS were enrolled in the study...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29136024/severe-oxidative-stress-in-an-acute-inflammatory-demyelinating-model-in-the-rhesus-monkey
#15
Jordon Dunham, Reinofke van de Vis, Jan Bauer, Jacqueline Wubben, Nikki van Driel, Jon D Laman, Bert A 't Hart, Yolanda S Kap
Oxidative stress is increasingly implicated as a co-factor of tissue injury in inflammatory/demyelinating disorders of the central nervous system (CNS), such as multiple sclerosis (MS). While rodent experimental autoimmune encephalomyelitis (EAE) models diverge from human demyelinating disorders with respect to limited oxidative injury, we observed that in a non-human primate (NHP) model for MS, namely EAE in the common marmoset, key pathological features of the disease were recapitulated, including oxidative tissue injury...
2017: PloS One
https://www.readbyqxmd.com/read/29110780/multiple-sclerosis-and-other-demyelinating-and-autoimmune-inflammatory-diseases-of-the-central-nervous-system
#16
Clara Matute-Blanch, Xavier Montalban, Manuel Comabella
Multiple sclerosis (MS) is characterized by a substantial degree of heterogeneity in relation to clinical manifestations, disease course, radiologic findings, histopathologic characteristics of brain lesions, and response to treatment. In this scenario, there is a strong need in MS for biomarkers that reliably capture these diverse aspects of disease heterogeneity and assist, for instance, in disease diagnosis and stratification, in the prediction of disease course, or in the identification of new and effective therapies for the disease...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29107957/febuxostat-ameliorates-secondary-progressive-experimental-autoimmune-encephalomyelitis-by-restoring-mitochondrial-energy-production-in-a-got2-dependent-manner
#17
Josephe A Honorat, Yuji Nakatsuji, Mikito Shimizu, Makoto Kinoshita, Hisae Sumi-Akamaru, Tsutomu Sasaki, Kazushiro Takata, Toru Koda, Akiko Namba, Kazuya Yamashita, Eri Sanda, Manabu Sakaguchi, Atsushi Kumanogoh, Takashi Shirakura, Mizuho Tamura, Saburo Sakoda, Hideki Mochizuki, Tatsusada Okuno
Oxidative stress and mitochondrial dysfunction are important determinants of neurodegeneration in secondary progressive multiple sclerosis (SPMS). We previously showed that febuxostat, a xanthine oxidase inhibitor, ameliorated both relapsing-remitting and secondary progressive experimental autoimmune encephalomyelitis (EAE) by preventing neurodegeneration in mice. In this study, we investigated how febuxostat protects neuron in secondary progressive EAE. A DNA microarray analysis revealed that febuxostat treatment increased the CNS expression of several mitochondria-related genes in EAE mice, most notably including GOT2, which encodes glutamate oxaloacetate transaminase 2 (GOT2)...
2017: PloS One
https://www.readbyqxmd.com/read/29107207/association-of-serum-gamma-glutamyltransferase-and-c-reactive-proteins-with-neuromyelitis-optica-and-multiple-sclerosis
#18
Yaqing Shu, Rui Li, Wei Qiu, Yanyu Chang, Xiaobo Sun, Ling Fang, Chen Chen, Yu Yang, Zhengqi Lu, Xueqiang Hu, Allan G Kermode
BACKGROUND: Many studies have demonstrated that serum gamma glutamyltransferase (GGT) within normal range might be an early marker of oxidative stress. However the role of GGT in neuromyelitis optica (NMO) and multiple sclerosis (MS) is unknown. METHODS: We assessed the correlations among GGT and C-reactive protein (CRP) levels, as well as clinical characteristics of NMO and MS. Serum GGT and CRP levels were measured in 106 NMO patients, 87 MS patients, 79 patients with non-inflammatory neurological diseases (Parkinson disease) and 80 healthy controls (HC)...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29100046/vaccinia-related-kinase-2-vrk2-expression-in-neurological-disorders-schizophrenia-epilepsy-and-multiple-sclerosis
#19
Tahereh Azimi, Soudeh Ghafouri-Fard, Mir Davood Omrani, Mehrdokht Mazdeh, Shahram Arsang-Jang, Arezou Sayad, Mohammad Taheri
BACKGROUND: Schizophrenia (SCZ), epilepsy and Multiple Sclerosis (MS) are neurological disorders with increasing prevalence disturb the patients' lives and are regarded as burdens to the society. As multifactorial disorders, genetic susceptibility factors are involved in their pathogenesis. The Vaccinia-Related Kinase 2 (VRK2) gene codes for a serine threonine kinase recently reported to be contributed in the pathogenesis of some neurological disorders. In the present case-control study we compared the VRK2 gene expression in peripheral blood samples from SCZ, epilepsy and MS patients with normal subjects...
October 25, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29096692/donor-variability-may-mask-dimethyl-fumarate-s-effects-on-nuclear-factor-e2-related-factor-2-in-human-peripheral-blood-mononuclear-cells
#20
Sarah E Fiedler, Amelia R Kerns, Catherine Tsang, Haley N Love, Sonemany Salinthone
OBJECTIVE: Dimethyl fumarate (DMF) is an anti-inflammatory and antioxidant drug used to treat multiple sclerosis, but its mechanism(s) of action are not fully understood. In central nervous system (CNS) cells, DMF activates nuclear factor E2-related factor 2 (Nrf2), perhaps ameliorating oxidative stress-induced damage. However, it is not known whether DMF also activates Nrf2 in peripheral immune cells, which are known to participate in CNS demyelination. We conducted a single observation study to determine whether DMF can activate Nrf2 in peripheral immune cells in vitro...
November 2, 2017: BMC Research Notes
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