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Encephalomyelitis

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https://www.readbyqxmd.com/read/27904492/hydroxycitric-acid-ameliorates-inflammation-and-oxidative-stress-in-mouse-models-of-multiple-sclerosis
#1
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/27903258/catwalk-gait-analysis-in-a-rat-model-of-multiple-sclerosis
#2
Sabine Herold, Prateek Kumar, Klaus Jung, Irina Graf, Henrike Menkhoff, Xenia Schulz, Mathias Bähr, Katharina Hein
BACKGROUND: Myelin oligodendrocyte glycoprotein (MOG)-induced experimental autoimmune encephalomyelitis (EAE) is a widely used animal model for multiple sclerosis. The characteristic feature of the MOG-EAE model in Brown Norway rats is consistent involvement of the spinal cord resulting in limb paresis. The aim of the study was to investigate whether early subclinical gait abnormalities are present in this animal model and can be detected by CatWalk XT, a fully automated gait analysis system...
November 30, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27901353/can-new-chemical-therapies-improve-the-management-of-multiple-sclerosis-in-children
#3
Emanuele D'Amico, Aurora Zanghì, Francesco Patti
Pediatric multiple sclerosis (MS) may represent up to 10% of all MS cases. Establishing the diagnosis of MS in a child is complicated by the limited diagnostic criteria and the possibility of significant overlap with acute disseminated encephalomyelitis. Areas covered: This review puts in perspective the potential possibilities given by new pharmacological agents in pediatric MS; focusing on the unmet needs in terms of research development in this field. Expert Opinion: The treatment landscape of MS has dramatically changed in the last 5 years...
November 30, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27900773/systematic-review-of-immunoglobulin-use-in-paediatric-neurological-and-neurodevelopmental-disorders
#4
REVIEW
Jonathan Gadian, Emma Kirk, Kate Holliday, Ming Lim, Michael Absoud
AIM: A systematic literature review of intravenous immunoglobulin (IVIG) treatment of paediatric neurological conditions was performed to summarize the evidence, provide recommendations, and suggest future research. METHOD: A MEDLINE search for articles reporting on IVIG treatment of paediatric neuroinflammatory, neurodevelopmental, and neurodegenerative conditions published before September 2015, excluding single case reports and those not in English. Owing to heterogeneous outcome measures, meta-analysis was not possible...
November 30, 2016: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27896893/an-acute-disseminated-encephalomyelitis-like-illness-in-the-elderly-neuroimaging-and-neuropathology-findings
#5
Ulrike W Kaunzner, Elliott Salamon, Elena Pentsova, Marc Rosenblum, Sasan Karimi, Nancy Nealon, Ehud Lavi, Dara G Jamieson
INTRODUCTION: Acute disseminated encephalomyelitis (ADEM) is a rare demyelinating disease of the central nervous system (CNS) that classically occurs in children and adolescents. It characteristically presents with acute inflammation, resulting in demyelination, often following an infectious disease. ADEM has been described in adult patients, but the incidence in the adult and especially elderly population is low. CASES: We describe five older adults (age 57 to 85) who presented with acute neurological symptoms...
November 29, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27894121/acute-disseminated-encephalomyelitis-following-zika-virus-infection
#6
Bruno Niemeyer, Renato Niemeyer, Rafael Borges, Edson Marchiori
No abstract text is available yet for this article.
November 29, 2016: European Neurology
https://www.readbyqxmd.com/read/27890794/target-regulation-of-pi3k-akt-mtor-pathway-by-cannabidiol-in-treatment-of-experimental-multiple-sclerosis
#7
Sabrina Giacoppo, Federica Pollastro, Gianpaolo Grassi, Placido Bramanti, Emanuela Mazzon
This study was aimed to investigate whether treatment with purified cannabidiol (CBD) may counteract the development of experimental multiple sclerosis (MS), by targeting the PI3K/Akt/mTOR pathway. Although the PI3K/Akt/mTOR pathway was found to be activated by cannabinoids in several immune and non-immune cells, currently, there is no data about the effects of CBD in the PI3K/Akt/mTOR activity in MS. Experimental Autoimmune Encephalomyelitis (EAE), the most common model of MS, was induced in C57BL/6 mice by immunization with myelin oligodendroglial glycoprotein peptide (MOG)35-55...
November 24, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27889190/diagnosis-of-multiple-sclerosis-progress-and-challenges
#8
REVIEW
Wallace J Brownlee, Todd A Hardy, Franz Fazekas, David H Miller
The diagnosis of multiple sclerosis is based on neurological symptoms and signs, alongside evidence of dissemination of CNS lesions in space and time. MRI is often sufficient to confirm the diagnosis when characteristic lesions accompany a typical clinical syndrome, but in some patients, further supportive information is obtained from cerebrospinal fluid examination and neurophysiological testing. Differentiation is important from other diseases in which demyelination is a feature (eg, neuromyelitis optica spectrum disorder and acute disseminated encephalomyelitis) and from non-demyelinating disorders such as chronic small vessel disease and other inflammatory, granulomatous, infective, metabolic, and genetic causes that can mimic multiple sclerosis...
November 23, 2016: Lancet
https://www.readbyqxmd.com/read/27888275/acute-disseminated-encephalomyelitis-following-campylobacter-jejuni-gastroenteritis-case-report-and-review-of-the-literature
#9
Simone Marziali, Eliseo Picchi, Francesca Di Giuliano, Simone Altobelli, Giorgia Mataluni, Girolama Marfia, Francesco Garaci, Roberto Floris
We describe a case of a 25-year-old male with a diagnosis of acute disseminated encephalomyelitis (ADEM) following infection with Campylobacter jejuni, which is implicated in various human pathologies regarding the central nervous system (CNS) with acute course like Guillain-Barré syndrome (GBS), Miller-Fisher syndrome (MFS), Bickerstaff's brainstem encephalitis (BEE), acute transverse myelitis (ATM) as well as ADEM. These conditions are caused by cross-reactivity between Campylobacter's epitopes and cells of the CNS that causes an immunomediated inflammatory demyelination of the CNS...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27884750/methylprednisolone-improves-lactate-metabolism-through-reduction-of-elevated-serum-lactate-in-rat-model-of-multiple-sclerosis
#10
Majid Ghareghani, Amir Ghanbari, Shima Dokoohaki, Naser Farhadi, Seyed Mojtaba Hosseini, Reza Mohammadi, Heibatollah Sadeghi
BACKGROUND: Some studies have demonstrated elevated concentrations of lactate both in the cerebrospinal fluid (CSF) and blood samples of multiple sclerosis (MS) patients as a pathological condition. We designed an experimental study first to investigate the serum level of lactate as a biomarker of MS progression and also to investigate the effect of methylprednisolone on serum lactate. METHODS: Experimental autoimmune encephalomyelitis (EAE) was inducted in Lewis rats, and then rats were treated intraperitoneally with methylprednisolone (30mg/kg/d), at the disease onset, and the clinical scores were recorded...
November 21, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27882538/gene-therapy-with-mesenchymal-stem-cells-expressing-ifn%C3%A3-ameliorates-neuroinflammation-in-experimental-models-of-multiple-sclerosis
#11
C Marin-Bañasco, K Benabdellah, C Melero-Jerez, B Oliver, M J Pinto-Medel, I Hurtado-Guerrero, F de Castro, D Clemente, O Fernández, F Martin, L Leyva, M Suardíaz
BACKGROUND AND PURPOSE: Recombinant IFNß is one of the first line treatments in multiple sclerosis (MS), despite its lack of efficiency in some patients. In this context, mesenchymal stem cells (MSCs) represent a promising therapeutic alternative due to their immunomodulatory properties and multipotency. Moreover, taking advantage of their pathotropism ability, these cells can be genetically modified to be used as carriers for delivering or secreting therapeutic drugs into injured tissues...
November 24, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27882351/activity-of-nav1-2-promotes-neurodegeneration-in-an-animal-model-of-multiple-sclerosis
#12
Benjamin Schattling, Walid Fazeli, Birgit Engeland, Yuanyuan Liu, Holger Lerche, Dirk Isbrandt, Manuel A Friese
Counteracting the progressive neurological disability caused by neuronal and axonal loss is the major unmet clinical need in multiple sclerosis therapy. However, the mechanisms underlying irreversible neuroaxonal degeneration in multiple sclerosis and its animal model experimental autoimmune encephalomyelitis (EAE) are not well understood. A long-standing hypothesis holds that the distribution of voltage-gated sodium channels along demyelinated axons contributes to neurodegeneration by increasing neuroaxonal sodium influx and energy demand during CNS inflammation...
November 17, 2016: JCI Insight
https://www.readbyqxmd.com/read/27876534/transcranial-magnetic-stimulation-modifies-astrocytosis-cell-density-and-lipopolysaccharide-levels-in-experimental-autoimmune-encephalomyelitis
#13
Francisco J Medina-Fernández, Evelio Luque, Macarena Aguilar-Luque, Eduardo Agüera, Montserrat Feijóo, Fe I García-Maceira, Begoña M Escribano, Álvaro Pascual-Leone, René Drucker-Colín, Isaac Túnez
AIMS: Experimental autoimmune encephalomyelitis (EAE) is considered a valid experimental model for multiple sclerosis, a chronic neuroinflammatory condition of the central nervous system. Additionally, some evidence has shown that some microbial products such as the bacterial lipopolysaccharide could lead to the activation of reactive immune cells, triggering neuroinflammation. Several studies have found that transcranial magnetic stimulation (TMS) may exert a neuroprotective effect. Therefore, we aimed to assess the effect of TMS on the neuroinflammation occurring in EAE...
November 19, 2016: Life Sciences
https://www.readbyqxmd.com/read/27872612/systems-biomedicine-of-rabies-delineates-the-affected-signaling-pathways
#14
Sadegh Azimzadeh Jamalkandi, Sayed-Hamidreza Mozhgani, Hamid Gholami Pourbadie, Mehdi Mirzaie, Farshid Noorbakhsh, Behrouz Vaziri, Alireza Gholami, Naser Ansari-Pour, Mohieddin Jafari
The prototypical neurotropic virus, rabies, is a member of the Rhabdoviridae family that causes lethal encephalomyelitis. Although there have been a plethora of studies investigating the etiological mechanism of the rabies virus and many precautionary methods have been implemented to avert the disease outbreak over the last century, the disease has surprisingly no definite remedy at its late stages. The psychological symptoms and the underlying etiology, as well as the rare survival rate from rabies encephalitis, has still remained a mystery...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27872279/role-of-the-receptor-mas-in-macrophage-mediated-inflammation-in-vivo
#15
Anna Hammer, Guang Yang, Juliane Friedrich, Agnes Kovacs, De-Hyung Lee, Katharina Grave, Stefanie Jörg, Natalia Alenina, Janina Grosch, Jürgen Winkler, Ralf Gold, Michael Bader, Arndt Manzel, Lars C Rump, Dominik N Müller, Ralf A Linker, Johannes Stegbauer
Recently, an alternative renin-angiotensin system pathway has been described, which involves binding of angiotensin-(1-7) to its receptor Mas. The Mas axis may counterbalance angiotensin-II-mediated proinflammatory effects, likely by affecting macrophage function. Here we investigate the role of Mas in murine models of autoimmune neuroinflammation and atherosclerosis, which both involve macrophage-driven pathomechanisms. Mas signaling affected macrophage polarization, migration, and macrophage-mediated T-cell activation...
November 21, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27869234/autoimmune-susceptibility-imposed-by-public-tcr%C3%AE-chains
#16
Yunqian Zhao, Phuong Nguyen, Peter Vogel, Bofeng Li, Lindsay L Jones, Terrence L Geiger
Although the TCR repertoire is highly diverse, a small fraction of TCR chains, referred to as public, preferentially form and are shared by most individuals. Prior studies indicated that public TCRβ may be preferentially deployed in autoimmunity. We hypothesized that if these TCRβ modulate the likelihood of a TCRαβ heterodimer productively engaging autoantigen, because they are widely present in the population and often high frequency within individual repertoires, they could also broadly influence repertoire responsiveness to specific autoantigens...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27864936/effect-of-sphingosine-kinase-modulators-on-interleukin-1%C3%AE-release-sphingosine-1-phosphate-receptor-1-expression-and-experimental-autoimmune-encephalomyelitis
#17
Mark Barbour, Melissa McNaughton, Stephanie D Boomkamp, Neil MacRitchie, Hui-Rong Jiang, Nigel J Pyne, Susan Pyne
BACKGROUND AND PURPOSE: The sphingosine analogue, FTY720 (Gilenya(R) ) alleviates clinical disease progression in multiple sclerosis. Here we variously assessed the effects of an azide analogue of (S)-FTY720 vinylphosphonate (compound 5; a sphingosine kinase 1 activator), (R)-FTY720 methyl ether (ROMe, a sphingosine kinase 2 inhibitor) and RB-020 (a sphingosine kinase 1 inhibitor and sphingosine kinase 2 substrate) on IL-1β formation, sphingosine 1-phosphate levels and S1P1 expression...
November 16, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27857797/recurrent-acute-disseminated-encephalomyelitis-a-favorable-outcome-among-recurrent-brain-diseases-in-pediatric-patient
#18
Anirban Chatterjee, Supratim Datta
Acute disseminated encephalomyelitis (ADEM) is an idiopathic inflammatory demyelinating disease of the central nervous system (CNS) and considered mostly a monophasic course. Recurrence of ADEM is rare entity, posing diagnostic dilemma with multiple sclerosis (MS). There were no definite diagnostic criteria or established treatment for ADEM. International Pediatric MS Study Group laid down first consensus definition. We report a boy presented with recurrent episodes of fever, paraparesis, seizure, and unconsciousness...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27856664/the-gut-brain-connection-triggering-of-brain-autoimmune-disease-by-commensal-gut-bacteria
#19
REVIEW
Hartmut Wekerle
In a transgenic model of spontaneous experimental autoimmune encephalomyelitis, autoimmune attack against the CNS requires the presence of an intact commensal gut flora. Extending this observation to human autoimmune disease, such as multiple sclerosis, we postulate that the pathogenic reaction requires the coincidence of at least three factors: a permissive genetic disposition, a pro-inflammatory intestinal microbial profile, and the accumulation of autoreactive T cells in the gut-associated lymphatic tissue...
December 2016: Rheumatology
https://www.readbyqxmd.com/read/27855706/human-class-i-major-histocompatibility-complex-alleles-determine-central-nervous-system-injury-versus-repair
#20
Bharath Wootla, Aleksandar Denic, Jens O Watzlawik, Arthur E Warrington, Laurie J Zoecklein, Louisa M Papke-Norton, Chella David, Moses Rodriguez
BACKGROUND: We investigated the role of human HLA class I molecules in persistent central nervous system (CNS) injury versus repair following virus infection of the CNS. METHODS: Human class I A11(+) and B27(+) transgenic human beta-2 microglobulin positive (Hβ2m(+)) mice of the H-2 (b) background were generated on a combined class I-deficient (mouse beta-2 microglobulin deficient, β2m(0)) and class II-deficient (mouse Aβ(0)) phenotype. Intracranial infection with Theiler's murine encephalomyelitis virus (TMEV) in susceptible SJL mice results in acute encephalitis with prominent injury in the hippocampus, striatum, and cortex...
November 17, 2016: Journal of Neuroinflammation
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