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Neuromyelitis optica

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https://www.readbyqxmd.com/read/28496445/eosinophils-in-autoimmune-diseases
#1
REVIEW
Nicola L Diny, Noel R Rose, Daniela Čiháková
Eosinophils are multifunctional granulocytes that contribute to initiation and modulation of inflammation. Their role in asthma and parasitic infections has long been recognized. Growing evidence now reveals a role for eosinophils in autoimmune diseases. In this review, we summarize the function of eosinophils in inflammatory bowel diseases, neuromyelitis optica, bullous pemphigoid, autoimmune myocarditis, primary biliary cirrhosis, eosinophilic granulomatosis with polyangiitis, and other autoimmune diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28495144/expansion-of-il-6-th17-like-cells-expressing-tlrs-correlates-with-microbial-translocation-and-neurological-disabilities-in-nmosd-patients
#2
Priscila O Barros, Aleida S O Dias, Taissa M Kasahara, Alice M M Ornelas, Renato S Aguiar, Soniza A Leon, Anne Ruiz, Romain Marignier, Ana Carolina R A Araújo, Regina Alvarenga, Cleonice A M Bento
Different microbial antigens, by signaling through toll-like receptors (TLR), may contribute to Th17-mediated autoimmune diseases, such as neuromyelitis optica spectrum disorder (NMOSD). The objective of this study was to determine the proportion of different Th17-like cell subsets that express TLR in NMOSD patients. For this study, the frequency of different Th17 cell subsets expressing TLR subsets in healthy individuals (n=20) and NMOSD patients (n=20) was evaluated by cytometry. The peripheral levels of soluble CD14 (sCD14) and cytokines were determined by ELISA...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28483994/author-response-gray-matter-mri-differentiates-neuromyelitis-optica-from-multiple-sclerosis-using-random-forest
#3
Arman Eshaghi, Olga Ciccarelli
No abstract text is available yet for this article.
May 9, 2017: Neurology
https://www.readbyqxmd.com/read/28483993/letter-re-gray-matter-mri-differentiates-neuromyelitis-optica-from-multiple-sclerosis-using-random-forest
#4
Jagannadha Avasarala
No abstract text is available yet for this article.
May 9, 2017: Neurology
https://www.readbyqxmd.com/read/28476558/low-expression-of-complement-inhibitory-protein-cd59-contributes-to-humoral-autoimmunity-against-astrocytes
#5
Zhen Wang, Wen Guo, Yuanchu Liu, Ye Gong, Xiaoli Ding, Kaibin Shi, Rodolfo Thome, Guang-Xian Zhang, Fu-Dong Shi, Yaping Yan
Neuromyelitis optica spectrum disorder is primarily an anti-aquaporin 4 autoantibody-mediated, central nervous system-restricted channelopathy. Patients frequently develop central nervous system-restricted lesions even though autoantigen aquaporin 4 in neuromyelitis optica spectrum disorder is broadly distributed in the central nervous system and peripheral organs. The cause of such tissue-specific immune response remains largely unknown. We confirmed here that CD59, an inhibitory regulator of the complement membrane attack complex, is expressed and co-localized with aquaporin 4 in peripheral organs but is only minimally expressed in astrocytes in the central nervous system...
May 2, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28471902/recurrent-optic-neuritis-associated-with-mog-antibody-seropositivity
#6
Thashi Chang, Patrick Waters, Mark Woodhall, Angela Vincent
INTRODUCTION: Optic neuritis (ON) can be the first manifestation of autoimmune central nervous system diseases such as multiple sclerosis and neuromyelitis optica, but it can also occur as an isolated monophasic or relapsing disease. A proportion of these patients have antibodies against myelin oligodendrocyte glycoprotein (MOG). We report a case of recurrent ON with MOG antibodies in a South Asian patient. CASE REPORT: A 50-year-old Sri Lankan female with a previous history of 2 episodes of steroid-responsive ON presented with a 20/120 visual impairment of her right eye...
May 2017: Neurologist
https://www.readbyqxmd.com/read/28465700/neuromyelitis-optica-spectrum-disease-characteristics-in-isfahan-iran-a-cross-sectional-study
#7
Fereshte Ashtari, Ali Safaei, Vahid Shaygannejad, Mohammad Amin Najafi, Sahar Vesal
BACKGROUND: Neuromyelitis optica spectrum disease (NMOSD) is a severe autoimmune demyelinating disorder of the central nervous system that throughout epidemiological data, it has not been completely determined. The aim of this study was to assess characteristics of NMOSD patients in Isfahan as one of the most prevalent cities for multiple sclerosis in Iran. MATERIALS AND METHODS: Forty-five patients diagnosed as neuromyelitis optica (NMO) disease through 5 years enrolled in this study...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28461494/autoantibody-induced-internalization-of-cns-aqp4-water-channel-and-eaat2-glutamate-transporter-requires-astrocytic-fc-receptor
#8
Shannon R Hinson, Ian C Clift, Ningling Luo, Thomas J Kryzer, Vanda A Lennon
Aquaporin-4 (AQP4) water channel-specific IgG distinguishes neuromyelitis optica (NMO) from multiple sclerosis and causes characteristic immunopathology in which central nervous system (CNS) demyelination is secondary. Early events initiating the pathophysiological outcomes of IgG binding to astrocytic AQP4 are poorly understood. CNS lesions reflect events documented in vitro following IgG interaction with AQP4: AQP4 internalization, attenuated glutamate uptake, intramyelinic edema, interleukin-6 release, complement activation, inflammatory cell recruitment, and demyelination...
May 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28460507/-the-clinical-analyses-of-neuromyelitis-optica-spectrum-disorder-initially-presenting-with-area-postrema-syndrome-in-14-patients
#9
Q F Guo, D D Song, Q Q Wang, Z W Wang, J G Liu, X K Qi
Objective: To explore the clinical characteristics of the neuromyelitis optica spectrum disorders (NMOSD) with the area postrema syndrome as the initial symptom. Methods: A total of 14 cases were enrolled in the study with the diagnose of NMOSD and the area postrema syndrome as the initial symptom. All the clinical data and imaging profiles by the contrasted magnetic resonance imaging (MRI) of the head and spinal cord were collected and analyzed. Results: The median age of onset was (38.1±17.0) years old and the gender ratio of female to male was 10∶4...
May 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28458709/efficacy-and-safety-of-rituximab-in-neuromyelitis-optica-review-of-evidence
#10
REVIEW
Masoud Etemadifar, Mehri Salari, Omid Mirmosayyeb, Mehdi Serati, Roham Nikkhah, Mozhde Askari, Emad Fayyazi
Neuromyelitis optica (NMO) is an autoimmune inflammatory disease of the central nervous system with preferential involvement in the optic nerve and spinal cord with a widespread spectrum of clinical features; multiple therapeutic agents have been used with different results. Recent evidence points to B-cell-mediated humoral immunity in the pathogenesis of NMO. Rituximab targets the CD20 antigen on B-cells. Treatment leads to profound B-cell depletion, principally over an antibody-dependent cell cytotoxicity mechanism...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28451627/disruption-of-the-leptomeningeal-blood-barrier-in-neuromyelitis-optica-spectrum-disorder
#11
Nasrin Asgari, Eoin P Flanagan, Kazuo Fujihara, Ho Jin Kim, Hanne P Skejoe, Jens Wuerfel, Hiroshi Kuroda, Su Hyun Kim, Elisabeth Maillart, Romain Marignier, Sean J Pittock, Friedemann Paul, Brian G Weinshenker
OBJECTIVE: To describe leptomeningeal blood-barrier impairment reflected by MRI gadolinium-enhanced lesions in patients with aquaporin-4 immunoglobulin G (AQP4-IgG)-positive neuromyelitis optica spectrum disorder (NMOSD). METHODS: A retrospective case series of 11 AQP4-IgG-positive NMOSD patients with leptomeningeal enhancement (LME) were collected from 5 centers. External neuroradiologists, blinded to the clinical details, evaluated MRIs. RESULTS: LME was demonstrated on postcontrast T1-weighted and fluid-attenuated inversion recovery images as a sign of leptomeningeal blood-barrier disruption and transient leakage of contrast agent into the subarachnoid space in 11 patients, 6 in the brain and 6 in the spinal cord...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28445879/cytokine-and-chemokine-profiles-in-patients-with-neuromyelitis-optica-spectrum-disorder
#12
Yuge Wang, Yifan Zhou, Xiaobo Sun, Tingting Lu, Lei Wei, Ling Fang, Chen Chen, Qiao Huang, Xueqiang Hu, Zhengqi Lu, Lisheng Peng, Wei Qiu
OBJECTIVE: To screen cytokines and chemokines and determine their dynamic changes in the serum and cerebrospinal fluid (CSF) of patients with neuromyelitis optica spectrum disorder (NMOSD). METHODS: Eight NMOSD with seropositive aquaporin-4 antibody (AQP4-IgG) were enrolled, as well as 8 matched patients with multiple sclerosis (MS) and 8 with noninflammatory neurological diseases, who were included as controls. In total, 102 cytokines and 34 chemokines were detected in the CSF and serum of NMOSD patients and controls...
2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28440255/clinical-profile-and-neuroimaging-in-pediatric-optic-neuritis-in-indian-population-a-case-series
#13
Rutika Khadse, Meenakshi Ravindran, Neelam Pawar, Padmavathy Maharajan, Ramakrishnan Rengappa
PURPOSE OF THE STUDY: The purpose of this study was to report clinical features, neuroimaging, and visual outcome in pediatric optic neuritis (ON) in Indian population. MATERIALS AND METHODS: This is a retrospective study of children up to the age of 16 years, diagnosed with ON, that presented at pediatric and neuroophthalmology clinic of a tertiary eye care center, in South India, within the period of 2010-2015. RESULTS: We identified 62 eyes of 40 children diagnosed as ON within the study period...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28439528/foveal-thinning-in-neuromyelitis-optica-a-sign-of-retinal-astrocytopathy
#14
EDITORIAL
Takashi Yamamura, Ichiro Nakashima
No abstract text is available yet for this article.
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28435633/neuromyelitis-optica-in-a-pregnant-woman-with-systemic-lupus-erythematous-a-case-report
#15
Fariborz Khorvash, Nafiseh Esmaeil, Omid Mirmosayyeb, Nahid Eskandari, Homayoon Salimian
No abstract text is available yet for this article.
October 7, 2016: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28427710/clinical-outcomes-and-predictive-factors-related-to-good-outcomes-in-plasma-exchange-in-severe-attack-of-nmosd-and-long-extensive-transverse-myelitis-case-series-and-review-of-the-literature
#16
Saharat Aungsumart, Metha Apiwattanakul
OBJECTIVE: To investigate the predictive factors associated with good outcomes of plasma exchange in severe attacks through neuromyelitis optica spectrum disorder (NMOSD) and long extensive transverse myelitis (LETM). In addition, to review the literature of predictive factors associated with the good outcomes of plasma exchange in central nervous system inflammatory demyelinating diseases (CNS IDDs). METHODS: Retrospective study in 27 episodes of severe acute attacks myelitis and optic neuritis in 24 patients, including 20 patients with NMOSD seropositive, 1 patient with NMOSD seronegative and 3 patients with LETM...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427706/neuromyelitis-optica-spectrum-disorder-related-tonic-spasms-responsive-to-lacosamide
#17
A Baheerathan, W J Brownlee, F Rugg-Gunn, D T Chard, S A Trip
Paroxysmal tonic spasms [PTS] are common in patients with neuromyelitis optica spectrum disorder (NMOSD).1 2 In patients with demyelinating disease, PTS can significantly reduce the quality of life, limit activities of daily living and the rehabilitative process following an acute relapse 3. As in patients with multiple sclerosis (MS), paroxysmal tonic spasms in NMOSD usually respond well to treatment with carbamazepine.2 However, the optimal treatment in patients where carbamazepine is contraindicated or poorly tolerated is unclear...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427704/comparison-of-brain-and-spinal-cord-magnetic-resonance-imaging-features-in-neuromyelitis-optica-spectrum-disorders-patients-with-or-without-aquaporin-4-antibody
#18
Moli Fan, Ying Fu, Lei Su, Yi Shen, Kristofer Wood, Li Yang, Yaou Liu, Fu-Dong Shi
BACKGROUND: The spinal cord and brain measurements are rarely investigated in neuromyelitis optica (NMO) patients with and without antibodies to aquaporin-4 (AQP4), directly compared to multiple sclerosis (MS) patients. OBJECTIVES: To investigate magnetic resonance imaging (MRI) features of both brain and spinal cord in NMO patients with and without antibodies to AQP4, compared with MS patients and healthy controls (HC). METHODS: We recruited 55 NMO including 30 AQP4 (+) and 25 AQP4 (-), 25 MS and 25 HC...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427692/treatment-resistant-neuromyelitis-optica-spectrum-disorders-associated-with-toxocara-canis-infection-a-case-report
#19
Daisuke Kambe, Kayo Takeoka, Kenta Ogawa, Kosuke Doi, Haruhiko Maruyama, Ayako Yoshida, Toshihiko Suenaga, Takashi Kageyama
A 53-year-old woman was admitted to the department of neurology in Tenri Hospital because of progressive thoracic myelitis a month after she had eaten uncooked bovine liver. A previous episode of right optic neuritis and a positive test for serum anti-aquaporin-4 antibodies indicated a diagnosis of neuromyelitis optica spectrum disorders. Although the patient initially recovered with the reduction of anti-aquaporin-4 antibodies during treatment with intravenous methylprednisolone infusion and plasma exchange, her neurological symptoms deteriorated soon after the completion of plasma exchange...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427688/pruritus-may-be-a-common-symptom-related-to-neuromyelitis-optica-spectrum-disorders
#20
Zhiyong He, Ming Ren, Xiaofeng Wang, Qifeng Guo, Xiaokun Qi
BACKGROUND: To evaluate pruritus in patients with neuromyelitis optica spectrum disorders (NMOSD) and to characterize the relationship between pruritus and lesions of NMOSD. METHODS: 61 patients with NMOSD were included in the study and their medical records were reviewed for pruritus, neurological symptoms and magnetic resonance imaging (MRI) images. We focused on the patients' history of pruritus, especially the severity, duration, region, and the relationship of pruritus with other symptoms of NMOSD...
April 2017: Multiple Sclerosis and related Disorders
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