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Autoimmune encephalitis

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https://www.readbyqxmd.com/read/27900773/systematic-review-of-immunoglobulin-use-in-paediatric-neurological-and-neurodevelopmental-disorders
#1
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/27900387/a-modification-specific-peptide-based-immunization-approach-using-crm197-carrier-protein-development-of-a-selective-vaccine-against-pyroglutamate-a%C3%AE-peptides
#2
Valérie Vingtdeux, Haitian Zhao, Pallavi Chandakkar, Christopher M Acker, Peter Davies, Philippe Marambaud
Strategies aimed at reducing cerebral accumulation of the amyloid-β (Aβ) peptides have therapeutic potential in Alzheimer's disease (AD). Aβ immunization has proven to be effective at promoting Aβ clearance in animal models but adverse effects have hampered its clinical evaluation. The first anti-Aβ immunization clinical trial, which assessed a full-length Aβ1-42 vaccine, increased the risk of encephalitis most likely because of autoimmune pro-inflammatory T helper 1 (Th1) response against all forms of Aβ...
November 28, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/27893017/evaluation-of-cognitive-deficits-and-structural-hippocampal-damage-in-encephalitis-with-leucine-rich-glioma-inactivated-1-antibodies
#3
Carsten Finke, Harald Prüss, Josephine Heine, Sigrid Reuter, Ute A Kopp, Florian Wegner, Florian Then Bergh, Sebastian Koch, Olav Jansen, Thomas Münte, Günther Deuschl, Klemens Ruprecht, Winfried Stöcker, Klaus-Peter Wandinger, Friedemann Paul, Thorsten Bartsch
Importance: Limbic encephalitis with leucine-rich, glioma-inactivated 1 (LGI1) antibodies is one of the most frequent variants of autoimmune encephalitis with antibodies targeting neuronal surface antigens. However, the neuroimaging pattern and long-term cognitive outcome are not well understood. Objective: To study cognitive outcome and structural magnetic resonance imaging (MRI) alterations in patients with anti-LGI1 encephalitis. Design, Setting, and Participants: A cross-sectional study was conducted at the Departments of Neurology at Charité-Universitätsmedizin Berlin and University Hospital Schleswig-Holstein, Kiel, Germany...
November 21, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27886126/inebilizumab-a-b-cell-depleting-anti-cd19-antibody-for-the-treatment-of-autoimmune-neurological-diseases-insights-from-preclinical-studies
#4
REVIEW
Ding Chen, Sandra Gallagher, Nancy L Monson, Ronald Herbst, Yue Wang
Exaggerated or inappropriate responses by B cells are an important feature in many types of autoimmune neurological diseases. The recent success of B-cell depletion in the treatment of multiple sclerosis (MS) has stimulated the development of novel B-cell-targeting therapies with the potential for improved efficacy. CD19 has emerged as a promising target for the depletion of B cells as well as CD19-positive plasmablasts and plasma cells. Inebilizumab (MEDI-551), an anti-CD19 antibody with enhanced antibody-dependent cell-mediated cytotoxicity against B cells, is currently being evaluated in MS and neuromyelitis optica...
November 24, 2016: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/27872179/anti-n-methyl-d-aspartate-nmda-receptor-encephalitis-a-survey-of-treatment-progress-and-prospects-from-pediatric-neurologists
#5
Ilana Kahn, Guy Helman, Adeline Vanderver, Elizabeth Wells
Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis has been shown to be a treatable form of autoimmune encephalitis, but there remains no standardized approach to immunotherapy. We designed an anonymous survey sent to members of the Child Neurology Society to identify the current practices among child neurologists. A total of 151 pediatric neurologists responded to the survey. With these responses we were able to highlight areas of practice uniformity, including first-line treatment with intravenous immunoglobulin and intravenous methylprednisone and initiation of disease-modifying therapy with rituximab alone...
November 21, 2016: Journal of Child Neurology
https://www.readbyqxmd.com/read/27847964/-autoantibody-associated-autoimmune-encephalitis-and-cerebellitis-clinical-presentation-diagnostic-work-up-and-treatment
#6
J Lewerenz, S Jarius, B Wildemann, K-P Wandinger, F Leypoldt
There is no other field of neurology where clinically relevant serological biomarkers have witnessed a surge in importance over the past decade resembling that in autoimmune encephalitis and cerebellitis. A multitude of newly discovered neuronal autoantibodies facilitate early diagnosis, estimation of prognosis, and therapeutic decision-making. However, this has led to growing uncertainty with regard to meaningful patient selection, the appropriate extent of testing, and management of seronegative cases. This review summarizes the essential aspects of the clinical presentation, diagnostic work-up, pathophysiology, and treatment of autoimmune encephalitis and cerebellitis...
November 15, 2016: Der Nervenarzt
https://www.readbyqxmd.com/read/27847683/clinical-utility-of-seropositive-voltage-gated-potassium-channel-complex-antibody
#7
Adham Jammoul, Luay Shayya, Karin Mente, Jianbo Li, Alexander Rae-Grant, Yuebing Li
BACKGROUND: Antibodies against voltage-gated potassium channel (VGKC)-complex are implicated in the pathogenesis of acquired neuromyotonia, limbic encephalitis, faciobrachial dystonic seizure, and Morvan syndrome. Outside these entities, the clinical value of VGKC-complex antibodies remains unclear. METHODS: We conducted a single-center review of patients positive for VGKC-complex antibodies over an 8-year period. RESULTS: Among 114 patients positive for VGKC-complex antibody, 11 (9...
October 2016: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/27843471/brain-on-fires-super-refractory-seizure-in-a-7-yr-old-boy
#8
Alireza Tavasoli, Behdad Gharib, Houman Alizadeh, Hossein Farshadmoghaddam, Sara Memarian, Mahmoodreza Ashrafi, Meisam Sharifzade
We present a 7 yr old boy afflicted with super-refractory seizure that responded poorly to antiepileptic drugs and sustained a long course of hospitalization and complications of high doses of medications as well as longstanding stay in hospital. The differential diagnoses were, fever-induced refractory epileptic encephalopathy (FIRES), and infectious and autoimmune encephalitis. However, work-ups had not revealed any evidence of any specific diagnosis, so we assumed that he was afflicted by viral infectious encephalitis as he had, fever, vomiting, and prodromal symptoms of infectious (most probably viral) disease prior to onset of the seizure attacks...
2016: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/27836631/low-serum-vitamin-d-levels-and-anti-n-methyl-d-aspartate-receptor-encephalitis-a-case-control-study
#9
Yaqing Shu, Qingmei Su, Siyuan Liao, Tingting Lu, Rui Li, Xiaobo Sun, Wei Qiu, Yu Yang, Xueqiang Hu, Zhengqi Lu
BACKGROUND: Low vitamin D levels are associated with autoimmunity, but the relationship with anti-N-Methyl-d-aspartate receptor (anti-NMDAR) encephalitis is unknown. METHODS: 25(OH) D levels and clinical and cerebrospinal fluid parameters were evaluated in 30 patients with anti-NMDAR encephalitis and compared with 90 age-, sex-, and season-matched healthy controls. RESULTS: 25(OH)D levels were lower in patients with anti-NMDAR encephalitis compared to controls (43...
November 8, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27836183/neuronal-surface-antibodies-in-hiv-infected-patients-with-isolated-psychosis
#10
Vanessa Cunill, Susana Arboleya, Maria de Los Reyes Jiménez, Antoni Campins, Patricia Herbera, LLuïsa Mestre, Antonio Clemente, Maria Inés Barceló, Maria Leyes, Francesca Canellas, Maria Rosa Julià
Neuronal surface antibodies (NSA) involved in autoimmune encephalitis (AE) have been related to relapses in HVS encephalitis. Their role in non-encephalitic psychosis is controversial. We previously reported an HIV-infected patient, NSA-positive, only presenting psychosis. Therefore, we determined the NSA prevalence in a prospective cohort of 22 HIV-positive patients with psychosis and we analyzed the frequency of HIV infection among NSA tested patients due to AE suspicion. We found no NSA in the prospective cohort...
November 2, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27833142/murine-hypothalamic-destruction-with-vascular-cell-apoptosis-subsequent-to-combined-administration-of-human-papilloma-virus-vaccine-and-pertussis-toxin
#11
Satoko Aratani, Hidetoshi Fujita, Yoshiyuki Kuroiwa, Chie Usui, Shumpei Yokota, Ikuro Nakamura, Kusuki Nishioka, Toshihiro Nakajima
Vaccination is the most powerful way to prevent human beings from contracting infectious diseases including viruses. In the case of the human papillomavirus (HPV) vaccine, an unexpectedly novel disease entity, HPV vaccination associated neuro-immunopathetic syndrome (HANS), has been reported and remains to be carefully verified. To elucidate the mechanism of HANS, we applied a strategy similar to the active experimental autoimmune encephalitis (EAE) model - one of the most popular animal models used to induce maximum immunological change in the central nervous system...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27832633/increased-cerebral-tff1-expression-in-two-murine-models-of-neuroinflammation
#12
Eva B Znalesniak, Ting Fu, Karina Guttek, Ulrike Händel, Dirk Reinhold, Werner Hoffmann
BACKGROUND/AIMS: The trefoil factor family (TFF) peptide TFF1 is a typical secretory product of the gastric mucosa and a very low level of expression occurs in nearly all regions of the murine brain. TFF1 possesses a lectin activity and binding to a plethora of transmembrane glycoproteins could explain the diverse biological effects of TFF1 (e.g., anti-apoptotic effect). It was the aim to test whether TFF expression is changed during neuroinflammation. METHODS: Expression profiling was performed using semi-quantitative RT-PCR analyses in two murine models of neuroinflammation, i...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27824312/anti-n-methyl-d-aspartate-receptor-encephalitis-and-drug-abuse-the-probable-role-of-molecular-mimicry-or-the-overstimulation-of-cb-receptors-in-a-17-year-old-adolescent-case-report
#13
Lidia Hau, Gyorgyi Csabi, Barnabas Rozsai, Jozsef Stankovics, Tamas Tenyi, Katalin Hollody
Anti-N-methyl-D-aspartate encephalitis is an autoimmune disorder characterized by autoantibodies produced against NMDA receptors. We report the case of a 17-year-old drug user teenager who presented with altered mental scale, psychiatric symptoms and autonomic dysfunction. In the background we diagnosed NMDA encephalitis. We supposed that synthetic cannabinoids/drugs may have lead to the of trigger NMDA encephalitis via the altered activation of the immune system and molecular mimicry mechanism.
September 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/27822050/autoimmune-encephalitis-in-psychiatric-institutions-current-perspectives
#14
REVIEW
Chloe Bost, Olivier Pascual, Jérôme Honnorat
Autoimmune encephalitis is a rare and newly described group of diseases involving autoantibodies directed against synaptic and neuronal cell surface antigens. It comprises a wide range of neuropsychiatric symptoms. Sensitive and specific diagnostic tests such as cell-based assay are primordial for the detection of neuronal cell surface antibodies in patients' cerebrospinal fluid or serum and determine the treatment and follow-up of the patients. As neurological symptoms are fairly well described in the literature, this review focuses on the nature of psychiatric symptoms occurring at the onset or during the course of the diseases...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27810972/immunoglobulin-in-the-treatment-of-encephalitis-ignite-protocol-for-a-multicentre-randomised-controlled-trial
#15
M A Iro, M Sadarangani, M Absoud, W K Chong, C A Clark, A Easton, V Gray, R Kneen, M Lim, M Pike, T Solomon, A Vincent, L Willis, L-M Yu, A J Pollard
INTRODUCTION: Infectious and immune-mediated encephalitides are important but under-recognised causes of morbidity and mortality in childhood, with a 7% death rate and up to 50% morbidity after prolonged follow-up. There is a theoretical basis for ameliorating the immune response with intravenous immunoglobulin (IVIG), which is supported by empirical evidence of a beneficial response following its use in the treatment of viral and autoimmune encephalitis. In immune-mediated encephalitis, IVIG is often used after a delay (by weeks in some cases), while diagnosis is confirmed...
November 3, 2016: BMJ Open
https://www.readbyqxmd.com/read/27806422/-diagnostic-workup-and-treatment-of-antibody-related-encephalomyelitis
#16
R Patejdl, A Winkelmann, J Ehler, H Zettl, S Meister, U K Zettl
The results of laboratory tests for antineuronal antibodies in immune-mediated encephalitis nowadays are not only relevant for diagnostic purposes but are instead closely connected to outcome measures and treatment response. Besides the mere detection of antibodies, investigating the cerebrospinal fluid is indispensible to rule out an infectious etiology of encephalitis prior to the initiation of immunosuppressive treatment, whereas imaging studies are relevant to gain information on the temporal course of disease and for ruling out other etiologies, e...
October 2016: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/27806421/-autoimmune-mediated-encephalomyelitis-a-heterogeneous-entity-in-between-neurology-and-psychiatry
#17
U K Zettl, A Dudesek, F Rimmele, H Zettl, R Patejdl
Within the last decade, autoantibody-associated encephalitis and encephalomyelitis have stepped into the focus of clinical research and practice. Besides the "classic" autoantibodies against intracellular neuronal antigenes, a growing number of antibodies directed against pre- and postsynaptic surface proteins of neurons have been described since the millennium change. Whereas the "classic" are closely linked to paraneoplastic syndromes, this association is loose for most of the yet known surface antigen-antibodies...
October 2016: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/27793992/identification-of-iguratimod-as-an-inhibitor-of-macrophage-migration-inhibitory-factor-mif-with-steroid-sparing-potential
#18
Joshua Bloom, Christine Metz, Saisha Nalawade, Julian Casabar, Kai Fan Cheng, Mingzhu He, Barbara Sherry, Thomas Coleman, Thomas Forsthuber, Yousef Al-Abed
Macrophage migration inhibitory factor (MIF) is a pleiotropic cytokine that has been implicated in a broad range of inflammatory and oncologic diseases. MIF is unique among cytokines in terms of its release profile and inflammatory role, notably as an endogenous counter- regulator of the anti-inflammatory effects of glucocorticoids. In addition, it exhibits a catalytic tautomerase activity amenable to the design of high-affinity small molecule inhibitors. Although several classes of these compounds have been identified, biological characterization of these molecules remains a topic of active investigation...
October 28, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27790717/in-utero-coxsackievirus-b4-infection-of-the-mouse-thymus
#19
Hela Jaïdane, Aymen Halouani, Habib Jmii, Firas Elmastour, Saïda Abdelkefi, Gwennaëlle Bodart, Hélène Michaux, Tahar Chakroun, Famara Sane, Moncef Mokni, Vincent Geenen, Didier Hober, Mahjoub Aouni
Type B Coxsackievirus (CV-B) infections are frequently involved in the triggering of several autoimmune diseases such as myocarditis, dilated cardiomyopathy, pericarditis, pancreatitis, type 1 diabetes, encephalitis, thyroiditis, or Sjögren's syndrome. Serological and virological evidence suggests that maternal infections during pregnancy can play a role in the appearance of these diseases in offspring. The current study aims to explore the effect of an in utero CV-B infection on the fetal thymus, the central site for programming immunological self-tolerance...
October 28, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27786401/anti-contactin-associated-protein-2-encephalitis-relevance-of-antibody-titres-presentation-and-outcome
#20
C G Bien, Z Mirzadjanova, C Baumgartner, M D Onugoren, T Grunwald, M Holtkamp, S Isenmann, P Kermer, N Melzer, M Naumann, M Riepe, W R Schäbitz, T J von Oertzen, F von Podewils, H Rauschka, T W May
BACKGROUND AND PURPOSE: To clarify the relevance of titres of IgG antibodies against contactin-associated protein-2 (CASPR2) in diagnosing anti-CASPR2 encephalitis and to describe features and outcomes. METHODS: This was a retrospective analysis of 64 patients with CASPR2 antibodies, categorized independently as 'autoimmune encephalitis' or 'other disease'. Logistic regression methods were performed to identify potential predictors of 'autoimmune encephalitis' in addition to CASPR2 antibodies...
October 27, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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