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Neuroprotection in multiple sclerosis

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https://www.readbyqxmd.com/read/29450696/neuroprotective-effects-of-melatonin-on-experimental-allergic-encephalomyelitis-mice-via-anti-oxidative-stress-activity
#1
Ting Long, Yuan Yang, Ling Peng, Zuoxiao Li
Multiple sclerosis (MS) is a chronic auto-inflammatory disease of the central nervous system (CNS) and hard to heal. This study aimed to investigate the effect of melatonin on mice with experimental autoimmune encephalomyelitis (EAE), a widely used MS model, and its potential mechanism underlying the action of MT on anti-oxidative stress. Female C57BL/6 mice were injected with MOG35-55 peptide to set up the EAE model, and for detection of the effect of melatonin (10 mg/kg i.p.) on the development and progression of EAE...
February 15, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29440322/neurodegeneration-in-progressive-multiple-sclerosis
#2
Graham Campbell, Don Mahad
The neuron is the target of inflammatory demyelinating processes in multiple sclerosis (MS). In progressive MS, however, there is a gathering body of evidence indicating molecular changes within neuronal cell bodies. All of these molecular changes to intrinsic neurons converge on mitochondria, and the most reproduced change relates to mitochondrial respiratory chain complex deficiency. This compromise in the capacity to generate ATP in the neuronal cell body is coupled with an increased demand for energy by the demyelinated axon, which is particularly relevant to the long tracts such as corticospinal tracts with long projection axons...
February 12, 2018: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29428242/bu-shen-yi-sui-capsule-promotes-remyelination-correlating-with-sema3a-nrp-1-lif-lifr-and-nkx6-2-in-mice-with-experimental-autoimmune-encephalomyelitis
#3
Pei-Yuan Zhao, Yong-Qiang Wang, Xi-Hong Liu, Ying-Jun Zhu, Hui Zhao, Qiu-Xia Zhang, Fang Qi, Jun-Ling Li, Nan Zhang, Yong-Ping Fan, Kang-Ning Li, Yuan-Yuan Zhao, Jian-Feng Lei, Lei Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Bu Shen Yi Sui capsule (BSYSC), based on traditional Chinese formula Liu Wei Di Huang pill, is effective for the treatment of multiple sclerosis (MS) in clinical experience and trials. Our previous studies confirmed that BSYSC had the neuroprotective effect in MS and its animal model, experimental autoimmune encephalomyelitis (EAE); however, its mechanism of action was not clear. Thus, the effect of BSYSC on remyelination and the underlying mechanisms were investigated in the EAE mice...
February 8, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29425965/the-small-heat-shock-proteins-especially-hspb4-and-hspb5-are-promising-protectants-in-neurodegenerative-diseases
#4
REVIEW
Zhihui Zhu, Georg Reiser
Small heat shock proteins (sHsps) are a group of proteins with molecular mass between 12 and 43 kDa. Currently, 11 members of this family have been classified, namely HspB1 to HspB11. HspB1, HspB2, HspB5, HspB6, HspB7, and HspB8, which are expressed in brain have been observed to be related to the pathology of neurodegenerative diseases, including Parkinson's, Alzheimer's, Alexander's disease, multiple sclerosis, and human immunodeficiency virus-associated dementia. Specifically, sHsps interact with misfolding and damaging protein aggregates, like Glial fibrillary acidic protein in AxD, β-amyloid peptides aggregates in Alzheimer's disease, Superoxide dismutase 1 in Amyotrophic lateral sclerosis and cytosine-adenine-guanine/polyglutamine (CAG/PolyQ) in Huntington's disease, Spinocerebellar ataxia type 3, Spinal-bulbar muscular atrophy, to reduce the toxicity or increase the clearance of these protein aggregates...
February 6, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29414293/physical-activity-and-disability-outcomes-in-multiple-sclerosis-a-systematic-review-2011-2016
#5
REVIEW
Shannon Charron, Kyla A McKay, Helen Tremlett
BACKGROUND: Physical activity may be neuroprotective in multiple sclerosis (MS). One review (2011) of exercise and MS disability was inconclusive, but highlighted the need for more studies. OBJECTIVE: To perform an updated systematic literature review examining the relationship between physical activity and physical ability outcomes in persons with MS. METHODS: EMBASE and MEDLINE were searched for original interventional studies (2011-2016) evaluating exercise on quantitative outcomes of physical disability in MS...
February 1, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29411688/preservation-of-neuronal-function-as-measured-by-clinical-and-mri-endpoints-in-relapsing-remitting-multiple-sclerosis-how-effective-are-current-treatment-strategies
#6
Christiane Graetz, Sergiu Groppa, Frauke Zipp, Nelly Siller
Approved medications for relapsing-remitting multiple sclerosis have shown to be effective in terms of their anti-inflammatory potential. However, it is also crucial to evaluate what long-term effects a patient can expect from current MS drugs in terms of preventing neurodegeneration. Here we aim to provide an overview of the current treatment strategies in MS with a specific focus on potential neuroprotective effects. Areas covered: Randomized, double-blind and placebo or referral-drug controlled phase 2a/b and phase 3 trials were examined; non-blinded phase 4 studies (extension studies) were included to provide long-term data, if not otherwise available...
February 7, 2018: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29409311/effect-of-multiple-intraperitoneal-injections-of-human-bone-marrow-mesenchymal-stem-cells-on-cuprizone-model-of-multiple-sclerosis
#7
Mohsen Marzban, Kazem Mousavizadeh, Masoomeh Bakhshayesh, Nasim Vousooghi, Gelareh Vakilzadeh, Anahita Torkaman-Boutorabi
Background: Bone marrow mesenchymal stem cells (BM-MSCs) elicit neuroprotective effects, and their repair ability has been investigated in different experimental models. We aimed to investigate the effect of multiple i.p. BM-MSCs injections in the cuprizone model of multiple sclerosis in mice. Methods: Adult male C57BL/6 mice (n = 40) were fed a regular diet or a diet containing cuprizone (0.2% w/w) for 6 six weeks. Bone marrow samples were taken from patients with spinal cord injury...
February 7, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29407174/butylphthalide-ameliorates-experimental-autoimmune-encephalomyelitis-by-suppressing-pgam5-induced-necroptosis-and-inflammation-in-microglia
#8
Ying Wang, Yue Bi, Zhilun Xia, Wei Shi, Bo Li, Bin Li, Liping Chen, Li Guo
Multiple sclerosis (MS) is a long-lasting autoimmune disease of the central nervous system. Currently, the etiology of MS is not known. Experimental autoimmune encephalomyelitis (EAE), has been recognized as the most widely used animal models to study the molecular mechanisms underlying MS and the efficacy of potential drugs for treatment of MS. In the present study, we found that Dl-3-n-butylphthalide (NBP), a neuroprotective drug in ischemic brain injury, prevented development of disease in experimental autoimmune encephalomyelitis (EAE) and significantly reduced inflammatory factors and necroptosis-associated genes, including PGAM5 in the spinal cord tissues...
February 3, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29399337/neuroprotective-effects-of-selegiline-on-rat-neural-stem-cells-treated-with-hydrogen-peroxide
#9
Alireza Abdanipour, Iraj Jafari Anarkooli, Saeed Shokri, Mehrdad Ghorbanlou, Vahid Bayati, Reza Nejatbakhsh
Oxidative stress and reactive oxygen species generation have been implicated in the pathogenesis of several neurological disorders including Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis and multiple sclerosis. In the present study, the neuroprotective effects of selegiline against hydrogen peroxide-induced oxidative stress in hippocampus-derived neural stem cells (NSCs) were evaluated. NSCs isolated from neonatal Wistar rats were pretreated with different doses of selegiline for 48 h and then exposed to 125 µM H2O2 for 30 min...
January 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29397790/potential-neuroprotective-effect-of-fingolimod-in-multiple-sclerosis-and-its-association-with-clinical-variables
#10
Marco Pitteri, Roberta Magliozzi, Albulena Bajrami, Valentina Camera, Massimiliano Calabrese
Multiple sclerosis (MS) is a chronic inflammatory, demyelinating disease of the central nervous system affecting both white matter and grey matter in the earliest phases of its course. The crucial role of neurodegeneration in disability progression in MS, regardless of white matter damage, has been confirmed by several imaging and neuropathological studies. Fingolimod is an effective immunomodulator of the sphingosine 1-phosphate receptor, approved in relapsing remitting MS and able to cross the blood-brain barrier and to slow disability progression and brain volume loss...
February 3, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29382353/laquinimod-attenuates-inflammation-by-modulating-macrophage-functions-in-traumatic-brain-injury-mouse-model
#11
Atsuko Katsumoto, Aline S Miranda, Oleg Butovsky, Antônio L Teixeira, Richard M Ransohoff, Bruce T Lamb
BACKGROUND: Traumatic brain injury (TBI) is a critical public health and socio-economic problem worldwide. A growing body of evidence supports the involvement of inflammatory events in TBI. It has been reported that resident microglia and infiltrating monocytes promote an inflammatory reaction that leads to neuronal death and eventually behavioral and cognitive impairment. Currently, there is no effective treatment for TBI and the development of new therapeutic strategies is a scientific goal of highest priority...
January 30, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29357233/preclinical-explorative-assessment-of-dimethyl-fumarate-based-biocompatible-nanolipoidal-carriers-for-the-management-of-multiple-sclerosis
#12
Pramod Kumar, Gajanand Sharma, Varun Gupta, Ramanpreet Kaur, Kanika Thakur, Ruchi Malik, Anil Kumar, Naveen Kaushal, Kaisar Raza
Multiple sclerosis (MS) is a neurodegenerative disease, where myelin sheath damage occurs due to internal and external factors and it affects especially young population. Dimethyl fumarate (DMF) is a promising agent for MS though associated with concerns like poor brain permeation, multiple dosing and gastro intestinal flushing. The present study attempts to evaluate preclinical performance of specially-designed DMF-based lipoidal-nanoparticles in cuprizone-induced demyelination rodent model. The studies proved the efficacy of lipid-based nanoparticles, containing DMF in once-a-day dosage regimen, over thrice-a-day plain DMF administration on the crucial parameters like motor coordination, grip strength, mortality, body weight and locomotor activity...
January 22, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29355711/implication-of-the-kallikrein-kinin-system-on-neurological-disorders-quest-for-potential-biomarkers-and-mechanisms
#13
REVIEW
Amaly Nokkari, Hadi Abou-El-Hassan, Yehia Mechref, Stefania Mondello, Mark S Kindy, Ayad A Jaffa, Firas Kobeissy
Neurological disorders represent major health concerns in terms of comorbidity and mortality worldwide. Despite a tremendous increase in our understanding of the pathophysiological processes involved in disease progression and prevention, the accumulated knowledge so far resulted in relatively moderate translational benefits in terms of therapeutic interventions and enhanced clinical outcomes. Aiming at specific neural molecular pathways, different strategies have been geared to target the development and progression of such disorders...
January 16, 2018: Progress in Neurobiology
https://www.readbyqxmd.com/read/29328415/role-of-catalpol-in-ameliorating-the-pathogenesis-of-experimental-autoimmune-encephalomyelitis-by-increasing-the-level-of-noradrenaline-in-the-locus-coeruleus
#14
Qian Li, Tao Yang, An-Chen Guo, Yong-Ping Fan
The endogenous neurotransmitter, noradrenaline, exerts anti-inflammatory and neuroprotective effects in vivo and in vitro. Reduced noradrenaline levels results in increased inflammation and neuronal damage. The primary source of noradrenaline in the central nervous system is tyrosine hydroxylase (TH)‑positive neurons, located in the locus coeruleus (LC). TH is the rate‑limiting enzyme for noradrenaline synthesis; therefore, regulation of TH protein expression and intrinsic enzyme activity represents the central means for controlling the synthesis of noradrenaline...
January 5, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29318974/-understanding-the-role-of-hypoxia-inducible-factor-during-neurodegeneration-for-new-therapeutics-opportunities
#15
Amalia Merelli, Julio Cesar Garcia Rodriguez, Jaume Folch, Marcelo R Regueiro, Antoni Camins, Lazarowski Alberto
Neurodegeneration (NDG) is linked with the progressive loss of neural function with intellectual and/or motor impairment. Several diseases affecting older individuals, including Alzheimer's disease, Amyotrophic Lateral Sclerosis, Huntington's disease, Parkinson's disease, stroke, Multiple Sclerosis and many others, are the most relevant disorders associated with NDG. Since other pathologies such as refractory epilepsy, brain infections, or hereditary diseases such as "neurodegeneration with brain iron accumulation", also lead to chronic brain inflammation with loss of neural cells, NDG can be said to affect all ages...
January 10, 2018: Current Neuropharmacology
https://www.readbyqxmd.com/read/29316038/effect-of-dimethyl-fumarate-on-gray-and-white-matter-pathology-in-subjects-with-relapsing-multiple-sclerosis-a-longitudinal-study
#16
Robert Zivadinov, Jesper Hagemeier, Niels Bergsland, Eleonora Tavazzi, Bianca Weinstock-Guttman
BACKGROUND: Dimethyl fumarate (DMF) is an oral treatment for relapsing remitting multiple sclerosis (RRMS) with anti-inflammatory and possible neuroprotective properties. Its effect on white matter (WM) and gray matter (GM) pathology is still not fully understood. OBJECTIVE: To characterize the effect of DMF on normal appearing WM (NAWM) and thalamic pathology longitudinally. METHODS: In this observational, longitudinal, 24-month MRI study, 75 RRMS treated with DMF and 40 age- and sex- matched healthy individuals (HIs) were enrolled...
January 5, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29310667/wwl70-protects-against-chronic-constriction-injury-induced-neuropathic-pain-in-mice-by-cannabinoid-receptor-independent-mechanisms
#17
Jie Wen, Melissa Jones, Mikiei Tanaka, Prabhuanand Selvaraj, Aviva J Symes, Brian Cox, Yumin Zhang
BACKGROUND: Targeting the endocannabinoid system has emerged as an effective strategy for the treatment of inflammatory and neurological diseases. Unlike the inhibition of the principal 2-arachidonyl glycerol (2-AG) hydrolytic enzyme monoacylglycerol lipase (MAGL), which leads to 2-AG overload and cannabinoid receptor desensitization, selective inhibition of the minor 2-AG hydrolytic enzyme alpha, beta-hydrolase domain 6 (ABHD6) can provide therapeutic benefits without producing cannabimimetic side effects...
January 8, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29304807/laquinimod-ameliorates-excitotoxic-damage-by-regulating-glutamate-re-uptake
#18
Antonietta Gentile, Alessandra Musella, Francesca De Vito, Diego Fresegna, Silvia Bullitta, Francesca Romana Rizzo, Diego Centonze, Georgia Mandolesi
BACKGROUND: Laquinimod is an immunomodulatory drug under clinical investigation for the treatment of the progressive form of multiple sclerosis (MS) with both anti-inflammatory and neuroprotective effects. Excitotoxicity, a prominent pathophysiological feature of MS and of its animal model, experimental autoimmune encephalomyelitis (EAE), involves glutamate transporter (GluT) dysfunction in glial cells. The aim of this study was to assess whether laquinimod might exert direct neuroprotective effects by interfering with the mechanisms of excitotoxicity linked to GluT function impairments in EAE...
January 5, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29287750/exercise-as-a-countermeasure-to-declining-central-nervous-system-function-in-multiple-sclerosis
#19
Robert W Motl, Brian M Sandroff
PURPOSE: The decline of central nervous system (CNS) function is a hallmark characteristic of multiple sclerosis (MS) that can manifest as cognitive impairment. We believe that exercise represents a potential behavioral approach for counteracting the declines in CNS structure and associated function among persons with MS (ie, exercise as a countermeasure of CNS decline). This theory is important because disease-modifying drugs represent a first-line approach for modifying the immune system and its effects on the CNS, but these drugs do not generally demonstrate robust improvements in cognitive performance...
December 26, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/29228214/oestrogen-receptor-%C3%AE-ligand-acts-on-cd11c-cells-to-mediate-protection-in-experimental-autoimmune-encephalomyelitis
#20
Roy Y Kim, Darian Mangu, Alexandria S Hoffman, Rojan Kovash, Eunice Jung, Noriko Itoh, Rhonda Voskuhl
Oestrogen treatments are neuroprotective in a variety of neurodegenerative disease models. Selective oestrogen receptor modifiers are needed to optimize beneficial effects while minimizing adverse effects to achieve neuroprotection in chronic diseases. Oestrogen receptor beta (ERβ) ligands are potential candidates. In the multiple sclerosis model chronic experimental autoimmune encephalomyelitis, ERβ-ligand treatment is neuroprotective, but mechanisms underlying this neuroprotection remain unclear. Specifically, whether there are direct effects of ERβ-ligand on CD11c+ microglia, myeloid dendritic cells or macrophages in vivo during disease is unknown...
December 8, 2017: Brain: a Journal of Neurology
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