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Neuromyelitis optica

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https://www.readbyqxmd.com/read/28814166/late-presentation-of-nmosd-as-rapidly-progressive-leukoencephalopathy-with-atypical-clinical-and-radiological-findings
#1
Elia Sechi, Alberto Addis, Lucia Batzu, Sara Mariotto, Sergio Ferrari, Maurizio Conti, GianPietro Sechi
Brain abnormalities in neuromyelitis optica spectrum disorder (NMOSD) are highly heterogeneous and often non-specific. Extensive white matter involvement has been described and frequently manifests with encephalopathy requiring prompt intervention. Rarely, this may represent the only manifestation at onset without concurrent suggestive features of the disease, thus making diagnosis challenging. NMOSD may potentially occur at any age, but it seems that this disorder has distinctive clinical features in the elderly...
August 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28814129/a-protean-disease-the-phenotypic-range-of-neuromyelitis-optica-spectrum-disorder
#2
Dalia L Rotstein
No abstract text is available yet for this article.
August 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28806345/pediatric-optic-neuritis-what-is-new
#3
Mark Borchert, Grant T Liu, Stacy Pineles, Amy T Waldman
Few diseases blur the margins between their childhood and adult-onset varieties as much as optic neuritis. This report will review our state of knowledge of pediatric optic neuritis, as well as its relationship to the latest consensus definitions of neuroinflammatory disease. Current diagnostic and treatment options will be explored, as well as our potential to uncover an understanding of pediatric optic neuritis through systematic prospective studies. The risk of evolving multiple sclerosis is probably less than in adults, but pediatric optic neuritis is more likely to be an initial manifestation of acute disseminated encephalomyelitis...
September 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28803524/endocrinopathies-in-paediatric-onset-neuromyelitis-optica-spectrum-disorder-with-aquaporin-4-aqp4-antibody
#4
Yael Hacohen, Silvia Messina, Hoong-Wei Gan, Sukhvir Wright, Saleel Chandratre, Maria Isabel Leite, Penny Fallon, Angela Vincent, Olga Ciccarelli, Evangeline Wassmer, Ming Lim, Jacqueline Palace, Cheryl Hemingway
The involvement of the diencephalic regions in neuromyelitis optica spectrum disorder (NMOSD) may lead to endocrinopathies. In this study, we identified the following endocrinopathies in 60% (15/25) of young people with paediatric-onset aquaporin 4-Antibody (AQP4-Ab) NMOSD: morbid obesity ( n = 8), hyperinsulinaemia ( n = 5), hyperandrogenism ( n = 5), amenorrhoea ( n = 5), hyponatraemia ( n = 4), short stature ( n = 3) and central hypothyroidism ( n = 2) irrespective of hypothalamic lesions...
August 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28780848/-clinical-characteristics-of-neuromyelitis-optica-spectrum-disorders-associated-with-syringomyelia
#5
Y G Wang, Y Q Wang, W Qiu, X Q Hu, Z Z Lu
Objective: To analyze the clinical characteristics of neuromyelitis optica spectrum disorders (NMOSD) associated with syringomyelia (SML). Methods: The clinical manifestations, laboratory parameters and imaging findings of 7 patients with NMOSD associated with SML during June 2008 to August 2016 from The Third Affiliated Hospital of Sun Yat-sen University were retrospectively analyzed. Results: Six patients were female and 1 was male, with ages ranging from 27-67 years, the course of the disease was 3-12 years, recurrence was 2-7 times, all the patients were cerebrospinal fluid oligoclonal bands (CSF OCB) negative, 5 patients were positive for aquaporin-4-antibody/NMO-IgG...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28770374/mog-antibody-related-disorders-common-features-and-uncommon-presentations
#6
Álvaro Cobo-Calvo, Anne Ruiz, Hyacintha D'Indy, Anne-Lise Poulat, Maryline Carneiro, Nicolas Philippe, Françoise Durand-Dubief, Kumaran Deiva, Sandra Vukusic, Vincent Desportes, Romain Marignier
Myelin oligodendrocyte glycoprotein antibodies (MOG-Ab) have been reported in acute demyelinating encephalomyelitis (ADEM), optic neuritis (ON), and neuromyelitis optica spectrum disorders (NMOSD) in adults and pediatrics. We aimed to delineate the common features of MOG-Ab-related disorders in children and adults, and report uncommon presentations. Twenty-seven consecutive pediatric and adult patients testing positive for MOG-Ab, with a minimum follow-up of 6 months, were included. Comprehensive epidemiological, clinical, radiological, and laboratory data were retrospectively analyzed...
August 2, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28768844/prognostic-relevance-of-mog-antibodies-in-children-with-an-acquired-demyelinating-syndrome
#7
Eva-Maria Hennes, Matthias Baumann, Kathrin Schanda, Banu Anlar, Barbara Bajer-Kornek, Astrid Blaschek, Sigrid Brantner-Inthaler, Katharina Diepold, Astrid Eisenkölbl, Thaddäus Gotwald, Georgi Kuchukhidze, Ursula Gruber-Sedlmayr, Martin Häusler, Romana Höftberger, Michael Karenfort, Andrea Klein, Johannes Koch, Verena Kraus, Christian Lechner, Steffen Leiz, Frank Leypoldt, Simone Mader, Klaus Marquard, Imke Poggenburg, Daniela Pohl, Martin Pritsch, Markus Raucherzauner, Mareike Schimmel, Charlotte Thiels, Daniel Tibussek, Silvia Vieker, Carolin Zeches, Thomas Berger, Markus Reindl, Kevin Rostásy
OBJECTIVE: To assess the prognostic value of MOG antibodies (abs) in the differential diagnosis of acquired demyelinating syndromes (ADS). METHODS: Clinical course, MRI, MOG-abs, AQP4-abs, and CSF cells and oligoclonal bands (OCB) in children with ADS and 24 months of follow-up were reviewed in this observational prospective multicenter hospital-based study. RESULTS: Two hundred ten children with ADS were included and diagnosed with acute disseminated encephalomyelitis (ADEM) (n = 60), neuromyelitis optica spectrum disorder (NMOSD) (n = 12), clinically isolated syndrome (CIS) (n = 101), and multiple sclerosis (MS) (n = 37) after the first episode...
August 2, 2017: Neurology
https://www.readbyqxmd.com/read/28756870/anti-c1q-autoantibodies-in-patients-with-neuromyelitis-optica-spectrum-disorders
#8
Nobuaki Yoshikura, Akio Kimura, Yuichi Hayashi, Takashi Inuzuka
We examined anti-complement C1q (C1q) autoantibody levels in serum and cerebrospinal fluid (CSF) samples of patients with neuromyelitis optica spectrum disorders (NMOSD). We analyzed the correlations between anti-C1q autoantibody levels and the clinical and other CSF characteristics of NMOSD. Serum and CSF anti-C1q autoantibody levels increased during the acute phase of NMOSD, reverting to the same levels as controls during remission. CSF anti-C1q autoantibody levels during the acute phase correlated with several markers reflecting disease severity, Expanded Disability Status Scale worsening, spinal cord lesion length in cases with myelitis, CSF protein and interleukin-6 levels, and CSF/serum albumin ratios...
July 19, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28755680/capillary-leak-syndrome-in-neuromyelitis-optica-treated-with-rituximab
#9
Ignacio Fuentes Fernandez, Rocio Hernandez-Clares, Ester Carreón Guarnizo, Jose E Meca Lallana
61-year-old woman with Neuromyelitis optica (NMO) diagnosis treated with rituximab was referred to our hospital with severe hypovolemic shock and anasarca. The laboratory findings showed marked hemoconcentration and a decrease in total serum protein. She developed a multiple organ failure and died three hours later. We diagnosed the patient as having capillary leak syndrome (CLS). CLS is a very rare condition caused by unexplained episodic capillary hyperpermeability, which can be idiopathic or secondary to some conditions like infection, malignant disease and some drugs like monoclonal antibodies...
August 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28752780/letter-re-is-pruritus-an-indicator-of-aquaporin-positive-neuromyelitis-optica
#10
Edgar Carnero Contentti
No abstract text is available yet for this article.
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28752779/reply-to-letter-is-pruritus-an-indicator-of-aquaporin-positive-neuromyelitis-optica
#11
Netravathi M, Saini J, Mahadevan A, Yadav R, P K Pal, Satishchandra P
No abstract text is available yet for this article.
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28750658/complement-regulator-cd59-prevents-peripheral-organ-injury-in-rats-made-seropositive-for-neuromyelitis-optica-immunoglobulin-g
#12
Xiaoming Yao, Alan S Verkman
Pathogenesis in aquaporin-4 immunoglobulin G (AQP4-IgG) seropositive neuromyelitis optica spectrum disorders (herein called NMO) involves complement-dependent cytotoxicity initiated by AQP4-IgG binding to astrocyte AQP4. We recently reported that rats lacking complement inhibitor protein CD59 were highly susceptible to development of NMO pathology in brain and spinal cord following direct AQP4-IgG administration (Yao and Verkman, Acta Neuropath Commun 2017, 5:15). Here, we report evidence that CD59 is responsible for protection of peripheral, AQP4-expressing tissues in seropositive NMO...
July 27, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28749553/myelopathy-in-beh%C3%A3-et-s-disease-the-bagel-sign
#13
Ugur Uygunoglu, Burcu Zeydan, Yesim Ozguler, Serdal Ugurlu, Emire Seyahi, Naci Kocer, Civan Islak, Kejal Kantarci, Sabahattin Saip, Aksel Siva, Orhun H Kantarci
OBJECTIVE: To describe the clinical and distinctive imaging features of myelopathy associated with Behçet's disease (BD). METHODS: We evaluated the records of patients meeting the following criteria: (1) fulfillment of the International Study Group criteria for BD; (2) clinically suggestive of myelopathy; (3) simultaneous spinal cord and brain magnetic resonance images (MRIs) within 1 month of acute worsening of myelopathy; and (4) follow-up duration ≥ 1 year after initial MRI evaluation...
July 27, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28748851/insights-into-initial-demyelinating-episodes-of-central-nervous-system-during-puerperium
#14
Qian Wu, Bo Chen, Na Liu, Yang Hu, Chao Pan, Ping Zhang, Zhou-Ping Tang, Bi-Tao Bu
BACKGROUND: Inflammatory demyelinating disease of central nervous system (CNS) is an inflammatory disease characterized by a high childbearing female predominance. Labor-related alterations for postpartum demyelinating attacks are not entirely clear. This study aimed to summarize clinical features of female patients of reproductive age with initial CNS inflammatory demyelinating attacks during puerperium. METHODS: Fourteen female patients with initial demyelinating events during puerperium between January 2013 and December 2016 were retrospectively studied...
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28748449/first-report-of-persistent-dengue-1-associated-autoimmune-neurological-disturbance-neuromyelitis-optica-spectrum-disorder
#15
Marzia Puccioni-Sohler, Alice M M Ornelas, Andrea S de Souza, Mauro Jorge Cabral-Castro, Jessyca T M A Ramos, Carolina Rosadas, Maria Cecilia F Salgado, Alexandre A Castiglione, Fernando Ferry, Jose Mauro Peralta, Carolina Moreira Voloch, Amilcar Tanuri, Fernanda Tovar-Moll, Renato Santana Aguiar
Dengue virus (DENV) causes immune-mediated diseases. Neurological involvement represents a severe condition that is rarely observed in DENV-1 infection. Neuromyelitis optica (NMO)/NMO spectrum disorders (NMOSD) are idiopathic immune-mediated demyelinating syndromes of the central nervous system. We report a 17-year-old female with oligosymptomatic DENV-1 viremia, diagnosed as NMOSD. Magnetic resonance imaging showed spinal cord and brainstem lesions. Antibody for aquaporin 4 was negative. DENV-1 RNA infection was detected by serial RT-PCR and confirmed by phylogenetic analysis in serum...
July 26, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28748216/t-cells-targeting-neuromyelitis-optica-autoantigen-aquaporin-4-cause-paralysis-and-visual-system-injury
#16
COMMENT
Andrés Cruz-Herranz, Sharon A Sagan, Raymond A Sobel, Ari J Green, Scott S Zamvil
Aquaporin-4 (AQP4)-specific antibodies are instrumental in promoting central nervous system (CNS) tissue injury in neuromyelitis optica (NMO), yet evidence indicates that AQP4-specific T cells also have a pivotal role in NMO pathogenesis. Although considerable effort has been devoted to creation of animal models to study how AQP4-specific T cells and antibodies may cooperate in development of both clinical and histologic opticospinal inflammatory disease, the initial attempts were unsuccessful. Recently, it was discovered that T cells from AQP4-deficient (AQP4(-/-)) mice recognize distinct AQP4 epitopes that were not identified previously in wild-type (WT) mice, and that donor Th17 cells from AQP4(-/-) mice that target those novel epitopes could cause paralysis and visual system injury associated with opticospinal inflammation in WT recipient mice...
May 2017: Journal of Nature and Science
https://www.readbyqxmd.com/read/28747150/reply-to-letter-to-the-editor-dimethyl-fumarate-for-patients-with-neuromyelitis-optica-spectrum-disorder-by-pitarokoili-and-gold
#17
Jun-Ichi Kira
No abstract text is available yet for this article.
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28747147/dimethyl-fumarate-for-patients-with-neuromyelitis-optica-spectrum-disorder
#18
Kalliopi Pitarokoili, Ralf Gold
No abstract text is available yet for this article.
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28746356/metabolomic-profiling-of-csf-in-multiple-sclerosis-and-neuromyelitis-optica-spectrum-disorder-by-nuclear-magnetic-resonance
#19
Hyun-Hwi Kim, In Hye Jeong, Ja-Shil Hyun, Byung Soo Kong, Ho Jin Kim, Sung Jean Park
Multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) are inflammatory diseases of the central nervous system. Although several studies have characterized the metabolome in the cerebrospinal fluid (CSF) from MS and NMOSD patients, comparative analyses between them and between the relapse and the remission of each disease have not been performed. Both univariate and multivariate analyses were used to compare 1H-NMR spectra of CSF from MS, NMOSD, and healthy controls (HCs). The statistical analysis showed alterations of eight metabolites that were dependent on the disease...
2017: PloS One
https://www.readbyqxmd.com/read/28741987/multimodal-characterization-of-gray-matter-alterations-in-neuromyelitis-optica
#20
Yaou Liu, Xueyan Jiang, Helmut Butzkueven, Yunyun Duan, Jing Huang, Zhuoqiong Ren, Huiqing Dong, Fu-Dong Shi, Frederik Barkhof, Kuncheng Li, Jinhui Wang
OBJECTIVE: To investigate structural and functional alterations of gray matter (GM) and examine their clinical relevance in neuromyelitis optica (NMO) using multimodal magnetic resonance imaging (MRI) techniques. METHODS: A total of 35 NMO and 36 healthy controls (HC) were recruited in this study. Cortical lesions were investigated by double inversion recovery technique. Five voxel-wise MRI measurements were obtained for each participant in the GM including gray matter volume (GMV), fractional anisotropy (FA), mean diffusivity (MD), amplitude of low-frequency fluctuation (ALFF), and weighted functional connectivity strength (wFCS)...
July 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
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