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nmda receptor encephalitis

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https://www.readbyqxmd.com/read/29629396/anti-nmda-receptor-encephalitis-and-nonencephalitic-hsv-1-infection
#1
Amy Salovin, Jason Glanzman, Kylie Roslin, Thais Armangue, David R Lynch, Jessica A Panzer
Objective: To determine whether there is an association between nonencephalitic herpes simplex virus 1 (HSV-1) infection and anti-NMDA receptor encephalitis (anti-NMDARE). Methods: Antibody testing was performed using samples from 2 cohorts in a case-control observational study. The cohort "Philadelphia" included 16 serum samples of pediatric anti-NMDARE cases and 42 age-matched controls with other neuroinflammatory disorders studied at the Children's Hospital of Philadelphia and University of Pennsylvania...
July 2018: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/29628174/early-identification-of-anti-nmda-receptor-encephalitis-presenting-cerebral-lesions-in-unconventional-locations-on-magnetic-resonance-imaging
#2
Weihe Zhang, Lei Cui, Wei Wang, Yujuan Jiao, Yeqiong Zhang, Jinsong Jiao
To facilitate the diagnosis of anti-NMDAR encephalitis presenting with brain lesions in unconventional locations (BLUL) on MRI, we retrospectively analyzed forty-five Chinese patients. Eighteen (40.0%) of their MRI initially exhibited one or more BLUL. These locations predominantly included cerebral gray matter (cortex, basal ganglia and thalamus), as well as white matter and brainstem. Due to these BLUL, thirteen (72.2%) patients were originally misdiagnosed with other diseases and developed poor clinical and imaging outcomes...
March 29, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29620091/nmda-receptor-antibody-encephalitis-presenting-with-enhancing-lesion-and-seizures
#3
Michael H Rosenbloom, Melissa K Samuelsson, Michael E Brogan, Teresa A Tran-Lim
No abstract text is available yet for this article.
October 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/29617708/a-systematic-review-of-the-neuropsychological-sequelae-of-people-diagnosed-with-anti-n-methyl-d-aspartate-receptor-encephalitis-in-the-acute-and-chronic-phases
#4
Della C M Nicolle, Jennifer L Moses
Objective: A systematic review was conducted to investigate the emerging cognitive profile for people diagnosed with anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. Method: Ten papers met the review criteria including five neuropsychological case studies and five case series; three of the 10 studies used matched controls. The cognitive functioning of 54 participants (46 female: eight male) was studied. Paper quality assessment was undertaken and outcomes summarized...
March 31, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29607915/-a-case-of-limbic-encephalitis-associated-with-sj%C3%A3-gren-s-syndrome-mimicking-anti-n-methyl-d-aspartate-receptor-encephalitis
#5
Kenji Yoshimura, Rie Kanki, Satoshi Nakano
A 25-year-old woman in her 37 weeks and 5 days pregnant presented with abnormal behavior and memory impairment following a high fever. Her manifestations were diagnosed as limbic encephalitis, and she delivered a baby by Cesarean section. In the operation, bilateral ovarian tumors were found and resected, though they were revealed as non-teratoma afterward. After operation, she became agitated, and started to present oral dyskinesia, intractable systemic myoclonus, central hypoventilation, and autonomic manifestations such as labile blood pressure, but her symptoms responded well to immunotherapy...
March 31, 2018: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29605275/magnetic-resonance-imaging-and-positron-emission-tomography-in-anti-nmda-receptor-encephalitis-a-systematic-review
#6
REVIEW
Stephen Bacchi, Kyle Franke, Dasith Wewegama, Edward Needham, Sandy Patel, David Menon
Due to a variety of clinical manifestations anti-N-methyl-d-aspartate (NMDA) receptor encephalitis may be difficult to diagnose. Magnetic resonance imaging (MRI) may be used as a component of the workup for encephalopathy. However, the use of MRI in anti-NMDA encephalitis is complicated by wide-ranging reports regarding the frequency of normal MRI findings in this disease. Positron emission tomography (PET) is a modality of imaging that may assess functional rather than structural disturbances. Therefore, this review was conducted to summarise published studies regarding the use of MRI and PET in the diagnosis of anti-NMDA receptor encephalitis...
March 28, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29593838/b-cell-based-therapies-in-cns-autoimmunity-differentiating-cd19-and-cd20-as-therapeutic-targets
#7
REVIEW
Thomas G Forsthuber, Daniel M Cimbora, John Nolan Ratchford, Eliezer Katz, Olaf Stüve
Increasing recognition of the role of B cells in the adaptive immune response makes B cells an important therapeutic target in autoimmunity. Numerous current and developmental immunotherapies target B cells for elimination through recognition of cell-surface proteins expressed specifically on B cells, in particular CD19 and CD20. Similarities and differences in the function and expression of these two molecules predict some shared, and some distinct, pharmacological effects of agents targeting CD19 versus CD20, potentially leading to differences in the clinical safety and efficacy of such agents...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29588384/autoimmune-encephalitis-nmdar-antibody-in-a-patient-receiving-chronic-post-transplant-immunosuppression
#8
Anna Randall, Saif Huda, Anu Jacob, Andrew J Larner
Autoimmune encephalitis associated with antibodies (Abs) directed against the synaptic ligand-gated ion channel NMDA receptor (NMDAR) was first described as a paraneoplastic disorder in association with ovarian teratoma. Other forms of neoplasia have subsequently been reported although many patients do not have a tumour. Tumour removal, where applicable, and immunotherapy form the mainstays of treatment. We present a patient who developed NMDAR-Ab encephalitis despite being chronically immunosuppressed following organ transplantation, and who was eventually found to have an occult malignancy in the form of non-Hodgkin's lymphoma...
March 27, 2018: Practical Neurology
https://www.readbyqxmd.com/read/29580710/extreme-delta-with-or-without-brushes-a-potential-surrogate-marker-of-disease-activity-in-anti-nmda-receptor-encephalitis
#9
Claude Steriade, Stephen Hantus, Ahsan N V Moosa, Alexander D Rae-Grant
OBJECTIVE: Anti-NMDA receptor encephalitis (NMDARE) may not respond to first line immunotherapy. Biomarkers to track disease course and guide escalation of immunotherapy are needed. We describe the evolution of EEG in four patients with NMDARE requiring prolonged intensive care. METHODS: Within a database of 121 patients with immune-mediated neurological disorders, ten with NMDARE were retrospectively identified. Four patients did not respond to first line immunotherapy...
March 10, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29572931/genetic-predisposition-in-anti-lgi1-and-anti-nmda-receptor-encephalitis
#10
Stefanie H Mueller, Anna Färber, Harald Prüss, Nico Melzer, Kristin S Golombeck, Tania Kümpfel, Franziska Thaler, Martin Elisak, Jan Lewerenz, Max Kaufmann, Kurt-Wolfram Sühs, Marius Ringelstein, Christoph Kellinghaus, Christian G Bien, Andrea Kraft, Uwe K Zettl, Sven Ehrlich, Robert Handreka, Kevin Rostásy, Florian Then Bergh, Jürgen H Faiss, Wolfgang Lieb, Andre Franke, Gregor Kuhlenbäumer, Klaus-Peter Wandinger, Frank Leypoldt
We performed a genome-wide-association study in 1,194 controls and 150 patients with anti-N-methyl-D-aspartate receptor (anti-NMDAR, n=96) or anti-leucine-rich glioma-inactivated1 (anti-LGI1, n=54) autoimmune encephalitis. Anti-LGI1 encephalitis was highly associated with 27 SNPs in the HLA-II region (leading SNP rs2858870 P=1.22x10-17 , OR=13.66 [7.50-24.87]). Potential associations, below genome-wide significance, were found with rs72961463 close to the doublecortin-like kinase 2 gene (DCLK2) and rs62110161 in a cluster of zink-finger genes...
March 23, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29549218/clinical-and-pathogenic-significance-of-igg-iga-and-igm-antibodies-against-the-nmda-receptor
#11
Makoto Hara, Eugenia Martinez-Hernandez, Helena Ariño, Thais Armangué, Marianna Spatola, Mar Petit-Pedrol, Albert Saiz, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To determine the frequency and clinical relevance of immunoglobulin (Ig)G, IgA, and IgM N -methyl-d-aspartate receptor (NMDAR) antibodies in several diseases, and whether the IgG antibodies occur in disorders other than anti-NMDAR encephalitis. METHODS: Evaluation of IgG, IgA, and IgM NMDAR antibodies in serum of 300 patients with anti-NMDAR encephalitis, stroke, dementia, schizophrenia, or seronegative autoimmune encephalitis. Antibodies and their effect on cultured neurons were examined with cell-based assays and brain and live neuronal immunostaining...
March 16, 2018: Neurology
https://www.readbyqxmd.com/read/29536122/-principles-of-autoimmune-and-paraneoplastic-encephalitis
#12
REVIEW
C G Bien
The paraneoplastic and autoimmune encephalitides are now well-established entities. Detection of neural autoantibodies enables specific diagnoses, provides information on the underlying disease pathophysiology, immunological treatability and the likelihood of a tumor being the underlying cause. This is true for the "high ranking" neural antibodies that have been established in the context of circumscribed clinical images and in consideration of large control groups, have been found in the same way by other laboratories and they respond to immunotherapy...
March 13, 2018: Der Nervenarzt
https://www.readbyqxmd.com/read/29535092/ovarian-teratoma-associated-with-anti-nmda-n-methyl-d-aspartate-receptor-encephalitis
#13
Nellihela Leel, Hemanshoo S Thakkar, David Drake, Nordeen Bouhadiba
Anti-N-methyl D-aspartate receptor (NMDAR) encephalitis is a paraneoplastic, immune-mediated encephalopathy with a known association with ovarian teratomas. We present the first case in the UK of a 7-year-old patient presenting with this condition. Having been previously fit and healthy, the patient presented with an acute onset of cognitive disturbances. The initial suspicion was that of an infective encephalopathy; however, the lumbar puncture results were negative. Electroencephalography reported diffuse background slowing, supporting a diagnosis of encephalopathy...
March 13, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29515425/dystonic-seizures-and-intense-hyperperfusion-of-the-basal-ganglia-in-a-patient-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#14
Hideyuki Matsumoto, Hideji Hashida, Yukitoshi Takahashi
This report describes a rare case presenting with dystonic seizures due to anti-N-methyl-D-aspartate (NMDA) receptor encephalitis. The patient was an 18-year-old woman with repeated right-dominant dystonic seizures even under sedation. Single-photon emission computed tomography (SPECT) showed intense hyperperfusion of the caudate nuclei, putamen, globus pallidus, thalamus, and insula on the left side, suggesting encephalitis. Antibodies against NMDA receptors were detected in the sera and cerebrospinal fluids...
September 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/29476014/positive-allosteric-modulation-as-a-potential-therapeutic-strategy-in-anti-nmda-receptor-encephalitis
#15
Natasha Warikoo, Samuel J Brunwasser, Ann Benz, Hong-Jin Shu, Steven M Paul, Michael Lewis, James Doherty, Michael Quick, Laura Piccio, Charles F Zorumski, Gregory S Day, Steven Mennerick
N-methyl-D-aspartate receptors (NMDARs) are ionotropic glutamate receptors important for synaptic plasticity, memory, and neuropsychiatric health. NMDAR hypofunction contributes to multiple disorders, including anti-NMDAR encephalitis (NMDARE), an autoimmune disease of the central nervous system associated with GluN1 antibody-mediated NMDAR internalization. Here we characterize the functional/pharmacological consequences of exposure to cerebrospinal fluid (CSF) from female human NMDARE patients on NMDAR function, and we characterize the effects of intervention with recently described positive allosteric modulators (PAMs) of NMDARs...
February 23, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29473497/anti-nmda-receptor-encephalitis-efficacy-of-treatment-for-male-patients-and-mirna-biomarker
#16
Hsiuying Wang
Treatments for the anti-NMDA receptor encephalitis usually include steroids, intravenous immunoglobulin, plasma exchange, plasmapheresis, rituximab, cyclophosphamide and tumor resection. We aimed to compare the efficacy of the treatments including intravenous immunoglobulin, plasma exchange, plasmapheresis, rituximab or cyclophosphamide for male anti-NMDA receptor encephalitis patients without tumor and to discuss potential biomarkers for this disease. The Fisher exact test and the contingency table analysis were used to analyze the treatment efficacy for both male and female these patients...
February 21, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29443773/anti-n-methyl-d-aspartate-receptor-encephalitis-associated-with-acute-toxoplasma-gondii-infection-a-case-report
#17
Xiaotang Cai, Hui Zhou, Yongmei Xie, Dan Yu, Zhiling Wang, Haitao Ren
RATIONALE: Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis has been recognized as the most frequent autoimmune encephalitis in children. Several infectious agents have been implicated in anti-NMDA encephalitis. PATIENT CONCERNS: A previously healthy immunocompetent 9-year-old girl first presented with seizures, headaches and vomiting. Cerebrospinal fluid and brain magnetic resonance imaging were normal. After one week onset, the patient gradually developed unexplained personality and behavior changes, accompanied by fever and seizures again...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29439749/nmda-receptor-autoimmunity-in-mania-following-hsv-encephalitis
#18
Graham Blackman, Nicholas Moran, Eli Silber, Christopher Symeon, Franz Brunnhuber, Asif Mazumder, Fatima Jaffer, Thomas Pollak
No abstract text is available yet for this article.
February 14, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29417305/anti-nmda-receptor-encephalitis-presenting-as-postpartum-psychosis-a-clinical-description-and-review
#19
Mukku Shiva Shanker Reddy, Harish Thippeswamy, Sundarnag Ganjekar, Madhu Nagappa, Anita Mahadevan, H R Arvinda, Prabha S Chandra, Arun B Taly
Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is increasingly being recognised to be associated with protean neuropsychiatric manifestations. Anti-NMDAR encephalitis is considered to be the most common amongst the autoimmune-mediated encephalitic disorders. It is caused by the autoantibodies against GluN1 subunits of N-methyl-D-aspartate (NMDA) receptor and manifests with prominent psychiatric symptoms, especially during the initial phase of illness. Literature anti-NMDAR encephalitis presenting with postpartum psychosis is scant...
February 7, 2018: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/29414288/comparison-of-myelin-oligodendrocyte-glycoprotein-mog-antibody-disease-and-aqp4-igg-positive-neuromyelitis-optica-spectrum-disorder-nmosd-when-they-co-exist-with-anti-nmda-n-methyl-d-aspartate-receptor-encephalitis
#20
Siyuan Fan, Yan Xu, Haitao Ren, Hongzhi Guan, Feng Feng, Xuehui Gao, Ding Ding, Fang Fang, Guangliang Shan, Tianjia Guan, Yao Zhang, Yi Dai, Ming Yao, Bin Peng, Yicheng Zhu, Liying Cui
BACKGROUND: Myelin oligodendrocyte glycoprotein (MOG)-antibody (ab) disease and AQP4-IgG-positive neuromyelitis optica spectrum disorder (NMOSD) can co-exist with anti-NMDA (N-methyl-D-aspartate) receptor encephalitis (NMDARe). OBJECTIVES: To characterize MOG-ab disease and AQP4-IgG-positive NMOSD during NMDARe. METHODS: We analyzed all the patients with overlapping MOG-ab disease and NMDARe (MNOS) and patients with AQP4-IgG-positive NMOSD and NMDARe (ANOS) in our hospital and compared those data with data from systematically review of previously published reports...
February 2018: Multiple Sclerosis and related Disorders
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