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https://www.readbyqxmd.com/read/28915516/mog-antibodies-in-pediatric-neurology
#1
Peter Huppke
No abstract text is available yet for this article.
September 15, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28859212/mog-spectrum-disorders-and-role-of-mog-antibodies-in-clinical-practice
#2
Eva-Maria Hennes, Matthias Baumann, Christian Lechner, Kevin Rostásy
No abstract text is available yet for this article.
August 31, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28840314/what-proportion-of-aqp4-igg-negative-nmo-spectrum-disorder-patients-are-mog-igg-positive-a-cross-sectional-study-of-132-patients
#3
Shahd H M Hamid, Daniel Whittam, Kerry Mutch, Samantha Linaker, Tom Solomon, Kumar Das, Maneesh Bhojak, Anu Jacob
Antibodies to myelin oligodendrocyte glycoprotein (MOG-IgG) have been described in patients with neuromyelitis optica spectrum disorders (NMOSD) without aquaporin-4 antibodies (AQP4-IgG). We aimed to identify the proportion of AQP4-IgG-negative NMOSD patients who are seropositive for MOG-IgG. In a cross sectional study, we reviewed all patients seen in the National NMO clinic over the last 4 years (after the availability of MOG-IgG testing), including clinical information, MRI, and antibody tests. 261 unique patients were identified...
August 24, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28828577/scavenger-receptor-a-mediates-the-clearance-and-immunological-screening-of-mda-modified-antigen-by-m2-type-macrophages
#4
Andreas Warnecke, Sonja Abele, Sravani Musunuri, Jonas Bergquist, Robert A Harris
In this study, we investigated the uptake of malondialdehyde (MDA)-modified myelin oligodendrocyte glycoprotein (MOG) in the context of lipid peroxidation and its implications in CNS autoimmunity. The use of custom-produced fluorescently labeled versions of MOG or MDA-modified MOG enabled us to study and quantify the uptake by different macrophage populations and to identify the responsible receptor, namely SRA. The SRA-mediated uptake of MDA-modified MOG is roughly tenfold more efficient compared to that of the native form...
August 21, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28820014/postinfectious-anti-myelin-oligodendrocyte-glycoprotein-antibody-positive-optic-neuritis-and-myelitis
#5
J P Vieira, J Sequeira, M J Brito
We report the case of a 9-year-old girl admitted with fever, headache, and a cerebrospinal fluid lymphocytic pleocytosis. Polymerase chain reaction was positive for human herpes virus 6. She subsequently developed ataxia and bilateral loss of vision. Magnetic resonance imaging (MRI) showed bilateral optic nerve lesions with extension to optic chiasm and a short-segment myelitis. Serologic studies were positive for Borrelia burgdorferi IgM. Anti-aquaporin 4 antibody was negative and anti-myelin oligodendrocyte glycoprotein antibody (MOG) positive...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28793956/hypersensitivity-reaction-to-%C3%AE-lactam-antibiotics-in-patients-with-adult-t-cell-leukemia-lymphoma-treated-with-mogamulizumab%C3%A2
#6
Takeo Yasu, Yoichi Imai, Nobuhiro Ohno, Kaoru Uchimaru, Yosuke Kurokawa, Arinobu Tojo
Mogamulizumab (MOG) is a humanized anti-CCR4 monoclonal antibody that is highly cytotoxic for adult T-cell leukemia/lymphoma (ATL) cells. Most non-hematological adverse events are cutaneous adverse reactions in ATL patients. We reviewed the medical records of 24 patients with CCR4-positive aggressive ATL who had received MOG treatment. The incidence of MOG-induced cutaneous adverse reactions (MCARs) was 25% (6 patients). Four patients with MCAR had an interesting clinical course, compared with MCARs reported in previous reports...
August 10, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28780774/changes-in-haematopoietic-progenitor-colony-differentiation-and-proliferation-and-the-production-of-different-abzymes-in-eae-mice-treated-with-dna
#7
Kseniya S Aulova, Ludmila B Toporkova, Julia A Lopatnikova, Alina A Alshevskaya, Sergei V Sennikov, Valentina N Buneva, Thomas Budde, Sven G Meuth, Nelly A Popova, Irina A Orlovskaya, Georgy A Nevinsky
Immunization of experimental autoimmune encephalomyelitis (EAE)-prone C57BL/6 mice with MOG35-55 (a model used to study aspects of human multiple sclerosis) is known to lead to the production of various abzymes. The production of catalytic IgGs that can efficiently hydrolyse myelin basic protein (MBP), MOG and DNA is associated with changes in the profile of differentiation and level of proliferation of mice bone marrow haematopoietic stem cells (HSCs). As MOG simulates the production of abzymes with high DNase activity, we compared the effects of DNA and MOG immunization on EAE-prone mice...
August 5, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28770374/mog-antibody-related-disorders-common-features-and-uncommon-presentations
#8
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/28768901/essential-role-for-ccr6-in-certain-inflammatory-diseases-demonstrated-using-specific-antagonist-and-knockin-mice
#9
Remy Robert, Caroline Ang, Guizhi Sun, Laurent Juglair, Ee X Lim, Linda J Mason, Natalie L Payne, Claude Ca Bernard, Charles R Mackay
The chemokine receptor CCR6 marks subsets of T cells and innate lymphoid cells that produce IL-17 and IL-22, and as such may play a role in the recruitment of these cells to certain inflammatory sites. However, the precise role of CCR6 has been controversial, in part because no effective monoclonal antibody (mAb) inhibitors against this receptor exist for use in mouse models of inflammation. We circumvented this problem using transgenic mice expressing human CCR6 (hCCR6) under control of its native promoter (hCCR6-Tg/mCCR6-/-)...
August 3, 2017: JCI Insight
https://www.readbyqxmd.com/read/28768844/prognostic-relevance-of-mog-antibodies-in-children-with-an-acquired-demyelinating-syndrome
#10
MULTICENTER STUDY
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 29, 2017: Neurology
https://www.readbyqxmd.com/read/28736276/b-cells-as-therapeutic-targets-in-neuro-inflammatory-diseases
#11
Reinhard Hohlfeld
B cells are an emerging therapeutic target in neuroinflammatory diseases. The anti-CD20 monoclonal antibody ocrelizumab was recently approved in the US as the first B-cell targeting immunomodulatory treatment for relapsing-remitting MS and primary progressive MS. In autoantibody-associated demyelinating syndromes such as neuromyelitis optica (NMO) and in myelin-oligodendrocyte-glycoprotein-(MOG)-autoantibody-associated encephalomyelitis, B-cells are a logical target based on the pathogenesis of these antibody-mediated disorders...
July 21, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28733756/glial-and-neuronal-antibodies-in-patients-with-idiopathic-intracranial-hypertension
#12
Güneş Altıokka-Uzun, Ece Erdağ, Betül Baykan, John Tzartos, Duygu Gezen-Ak, Bedia Samancı, Erdinç Dursun, Paraskevi Zisimopoulou, Katerina Karagiorgou, Christos Stergiou, Erdi Şahin, Esme Ekizoğlu, Murat Kürtüncü, Erdem Tüzün
Headache and visual disturbances are the main presenting symptoms of idiopathic intracranial hypertension (IIH) characterized by increased intracranial pressure (ICP) with an unknown cause. We aimed to investigate the antibodies against optic neuritis-associated glial antigens, aquaporin-4 (AQP4) and myelin oligodendrocyte glycoprotein (MOG) and uncharacterized neuronal membrane antigens in IIH patients. Consecutive patients diagnosed according to Friedman revised diagnostic criteria and control subjects were included after their consent...
July 21, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28694134/hashimoto-s-encephalopathy-and-anti-mog-antibody-encephalitis-50-years-after-lord-brain-s-description
#13
Kerrie-Anne Chen, Fabienne Brilot, Russell C Dale, Antony R Lafferty, Peter Ian Andrews
PURPOSE: To consider the role of anti-MOG Abs associated encephalitis in Hashimoto's Encephalitis (HE). RESULTS: A 10 year old girl with pre-existing Hashimoto's thyroiditis presented with dysarthria, ataxia and lethargy whilst euthyroid. Brain MRI showed multifocal T2 and FLAIR hyperintense lesions. She responded promptly to treatment with corticosteroids. Her clinical scenario was comparable to a sizeable minority of patients diagnosed with HE in the literature, who have similar brain MRIs...
June 10, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28684532/longitudinal-analysis-of-myelin-oligodendrocyte-glycoprotein-antibodies-in-cns-inflammatory-diseases
#14
Jae-Won Hyun, Mark R Woodhall, Su-Hyun Kim, In Hye Jeong, Byungsoo Kong, Gayoung Kim, Yeseul Kim, Min Su Park, Sarosh R Irani, Patrick Waters, Ho Jin Kim
BACKGROUND: We evaluated the seroprevalence of myelin oligodendrocyte glycoprotein immunoglobulin G1 (MOG-IgG) and associated clinical features of patients from a large adult-dominant unselected cohort with mainly relapsing central nervous system (CNS) inflammatory diseases. We also investigate the clinical relevance of MOG-IgG through a longitudinal analysis of serological status over a 2-year follow-up period. METHODS: Serum samples from 505 patients with CNS inflammatory diseases at the National Cancer Center were analysed using cell-based assays for MOG-IgG and aquaporin-4 immunoglobulin G (AQP4-IgG)...
July 6, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28669849/programmed-death-ligand-1-expression-in-paired-non-small-cell-lung-cancer-tumor-samples
#15
Jong Ho Cho, Steffen Filskov Sorensen, Yoon-La Choi, Yu Feng, Tae-Eun Kim, Heyjoo Choi, Jeanette Baehr Georgsen, Marisa Dolled-Filhart, Kenneth Emancipator, Peter Meldgaard, Jong-Mu Sun, Hong Kwan Kim, Yong Soo Choi, Young Mog Shim, Wei Zhou, Henrik Hager, Jhingook Kim
BACKGROUND: Programmed death ligand 1 (PD-L1) expression may predict response to anti-programmed death 1 (anti-PD-1) or anti-PD-L1 treatment. There is limited information on changes in PD-L1 expression over time in patients with non-small cell lung cancer (NSCLC). PATIENTS AND METHODS: Eligible patients with NSCLC who received surgery or underwent biopsy at Samsung Medical Center, Seoul, Republic of Korea, and Aarhus University Hospital, Aarhus, Denmark, between February 2004 and April 2012 were included...
April 24, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28646890/influence-of-type-i-ifn-signaling-on-anti-mog-antibody-mediated-demyelination
#16
Carsten Tue Berg, Reza Khorooshi, Nasrin Asgari, Trevor Owens
BACKGROUND: Antibodies with specificity for myelin oligodendrocyte glycoprotein (MOG) are implicated in multiple sclerosis and related diseases. The pathogenic importance of anti-MOG antibody in primary demyelinating pathology remains poorly characterized. OBJECTIVE: The objective of this study is to investigate whether administration of anti-MOG antibody would be sufficient for demyelination and to determine if type I interferon (IFN) signaling plays a similar role in anti-MOG antibody-mediated pathology, as has been shown for neuromyelitis optica-like pathology...
June 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28640199/the-role-of-peripheral-cns-directed-antibodies-in-promoting-inflammatory-cns-demyelination
#17
REVIEW
Silke Kinzel, Martin S Weber
In central nervous system (CNS) demyelinating disorders, such as multiple sclerosis (MS), neuromyelitis optica (NMO) and related NMO-spectrum disorders (NMO-SD), a pathogenic role for antibodies is primarily projected into enhancing ongoing CNS inflammation by directly binding to target antigens within the CNS. This scenario is supported at least in part, by antibodies in conjunction with complement activation in the majority of MS lesions and by deposition of anti-aquaporin-4 (AQP-4) antibodies in areas of astrocyte loss in patients with classical NMO...
June 22, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28620864/adipose-tissue-derived-stromal-cells-adsc-express-oligodendrocyte-and-myelin-markers-but-they-do-not-function-as-oligodendrocytes
#18
Lara Vellosillo, Maria Paz Muñoz, Carlos Luis Paíno
Mesenchymal cells cultured from the vasculo-stromal fraction of adipose tissue (ADSC) show adult stem cell characteristics and several groups have claimed generating neural cells from them. However, we have observed that many markers commonly used for the identification of neural cells are spontaneously expressed by ADSC in culture. In the present study, we have examined the expression of characteristic oligodendrocyte molecules in cultured ADSC, aiming to test if myelinating cells could be generated from accessible non-neural adult tissues...
June 15, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28615429/diagnostic-algorithm-for-relapsing-acquired-demyelinating-syndromes-in-children
#19
Yael Hacohen, Kshitij Mankad, W K Chong, Frederik Barkhof, Angela Vincent, Ming Lim, Evangeline Wassmer, Olga Ciccarelli, Cheryl Hemingway
OBJECTIVE: To establish whether children with relapsing acquired demyelinating syndromes (RDS) and myelin oligodendrocyte glycoprotein antibodies (MOG-Ab) show distinctive clinical and radiologic features and to generate a diagnostic algorithm for the main RDS for clinical use. METHODS: A panel reviewed the clinical characteristics, MOG-Ab and aquaporin-4 (AQP4) Ab, intrathecal oligoclonal bands, and Epstein-Barr virus serology results of 110 children with RDS. A neuroradiologist blinded to the diagnosis scored the MRI scans...
July 18, 2017: Neurology
https://www.readbyqxmd.com/read/28551039/clinical-features-in-very-early-onset-demyelinating-disease-with-anti-mog-antibody
#20
Masahiro Nishiyama, Hiroaki Nagase, Masaaki Matsumoto, Kazumi Tomioka, Hiroyuki Awano, Tsukasa Tanaka, Daisaku Toyoshima, Kyoko Fujita, Azusa Maruyama, Yoshinobu Oyazato, Keisuke Saeki, Kazuhiro Shiraishi, Satoshi Takada, Kimihiko Kaneko, Toshiyuki Takahashi, Ichiro Nakashima, Kazumoto Iijima
BACKGROUND: The clinical features of patients with very early-onset acquired demyelinating syndrome (ADS) with the anti-myelin oligodendrocyte glycoprotein (MOG) antibody are unknown. We investigated the clinical characteristics and described detailed treatment of weekly intramuscular interferon β-1a (IFNβ-1a) in children aged <4years with ADS and the anti-MOG antibody. METHODS: We conducted a retrospective chart review of patients with anti-MOG positivity who were diagnosed as having multiple sclerosis (MS) at <4years of age...
May 24, 2017: Brain & Development
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