keyword
MENU ▼
Read by QxMD icon Read
search

Aquaporin-4 antibodies

keyword
https://www.readbyqxmd.com/read/28803524/endocrinopathies-in-paediatric-onset-neuromyelitis-optica-spectrum-disorder-with-aquaporin-4-aqp4-antibody
#1
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/28795614/shifting-borders-crossing-boundaries-the-case-of-combined-central-and-peripheral-demyelination
#2
Orhan Aktas
The case report by Puthenparampil et al. suggests that heterogeneity of demyelinating diseases may be more complex than expected. The authors describe a female patient starting with isolated but relapsing myelitis (in the absence of oligoclonal bands or anti-aquaporin 4 antibodies) and later experiencing the simultaneous occurrence of inflammatory demyelinating polyneuropathy and of a tumefactive hippocampal brain lesion responsive to immunotherapy. As testing for antibodies against established and novel auto-antigens including neurofascin-155 was negative, this case may be regarded as an example for the unfolding spectrum of combined central and peripheral demyelination (CCPD) syndromes with so far unknown immunological target(s)...
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
#3
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/28748449/first-report-of-persistent-dengue-1-associated-autoimmune-neurological-disturbance-neuromyelitis-optica-spectrum-disorder
#4
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
#5
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/28733756/glial-and-neuronal-antibodies-in-patients-with-idiopathic-intracranial-hypertension
#6
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/28716289/devic-s-disease-before-devic-on-the-contribution-of-friedrich-albin-schanz-1863-1923
#7
S Jarius, B Wildemann
Neuromyelitis optica (NMO, Devic's disease) is an autoimmune disorder of the CNS that mainly affects the optic nerves and spinal cord and, if not treated, can leave patients blind and wheelchair-bound. NMO was long considered a clinical variant of multiple sclerosis (MS). While the history of MS has been studied extensively, relatively little is known about the early history of NMO. A dissertation written by Fernand Gault (1873-1936), a doctoral student to Eugène Devic (1858-1930), a Lyon-based neurologist after whom the disease would later be named, is considered by many the first review of NMO...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28684532/longitudinal-analysis-of-myelin-oligodendrocyte-glycoprotein-antibodies-in-cns-inflammatory-diseases
#8
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/28679661/glucose-regulated-protein-78-autoantibody-associates-with-blood-brain-barrier-disruption-in-neuromyelitis-optica
#9
Fumitaka Shimizu, Kristin L Schaller, Gregory P Owens, Anne C Cotleur, Debra Kellner, Yukio Takeshita, Birgit Obermeier, Thomas J Kryzer, Yasuteru Sano, Takashi Kanda, Vanda A Lennon, Richard M Ransohoff, Jeffrey L Bennett
Neuromyelitis optica (NMO) is an inflammatory disorder mediated by antibodies to aquaporin-4 (AQP4) with prominent blood-brain barrier (BBB) breakdown in the acute phase of the disease. Anti-AQP4 antibodies are produced mainly in the periphery, yet they target the astrocyte perivascular end feet behind the BBB. We reasoned that an endothelial cell-targeted autoantibody might promote BBB transit of AQP4 antibodies and facilitate NMO attacks. Using monoclonal recombinant antibodies (rAbs) from patients with NMO, we identified two that strongly bound to the brain microvascular endothelial cells (BMECs)...
July 5, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28679367/relationship-between-azathioprine-metabolites-and-therapeutic-efficacy-in-chinese-patients-with-neuromyelitis-optica-spectrum-disorders
#10
Xindi Li, Shenghui Mei, Xiaoqing Gong, Heng Zhou, Li Yang, Anna Zhou, Yonghong Liu, Xingang Li, Zhigang Zhao, Xinghu Zhang
BACKGROUND: Neuromyelitis optica spectrum disorders (NMOSD) are demyelinating autoimmune diseases in the central nervous system (CNS) that are characterized by a high relapse rate and the presence of anti-aquaporin 4 antibodies (AQP4-IgG) in the serum. Azathioprine (AZA) is a first-line immunomodulatory drug that is widely used for the treatment of patients with NMOSD. However, the efficacy and safety of AZA vary in different individuals. METHOD: Thirty-two patients with NMOSD who regularly took AZA were enrolled in the study at Beijing Tiantan Hospital, Capital Medical University...
July 5, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28674367/neuromyelitis-optica-spectrum-disorder-with-recurrent-intracranial-hemorrhage
#11
Hiroaki Yaguchi, Yasunori Mito, Ikkei Ohashi, Taichi Nomura, Ichiro Yabe, Yasutaka Tajima
The patient was a woman without hypertension who had previously experienced intracranial hemorrhage twice at 48 and 56 years of age. At 59 years of age, she was diagnosed with neuromyelitis optica spectrum disorder (NMOSD) based on the presence of a brain stem lesion and the detection of anti-aquaporin 4 (AQP4) antibodies. After 5 months of continuous treatment with prednisolone (15 mg/day), she presented with optic neuritis and intracranial bleeding. A recurrent attack of NMOSD and intracranial hemorrhage were concurrently diagnosed...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28667382/magnetic-resonance-imaging-and-clinical-features-in-acute-and-subacute-myelopathies
#12
REVIEW
Stefan Weidauer, Marlies Wagner, Michael Nichtweiß
Differential diagnosis of acute and subacute transverse myelopathy includes inflammatory, infectious, vascular, metabolic and paraneoplastic etiologies. Information on the diagnostic approach to transverse myelopathy with regard to daily clinical practice is provided. The differentiation between five lesion patterns on magnetic resonance imaging (MRI) in myelitis may be helpful: (1) longitudinal extensive transverse myelitis, (2) short segment ovoid or peripherally located, (3) "polio-like", (4) granulomatous and (5) segmental with rash...
June 30, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28642888/aquaporin-4-antibodies-in-patients-treated-with-natalizumab-for-suspected-ms
#13
Anna Gahlen, Anne-Kathrin Trampe, Steffen Haupeltshofer, Marius Ringelstein, Orhan Aktas, Achim Berthele, Brigitte Wildemann, Ralf Gold, Sven Jarius, Ingo Kleiter
OBJECTIVE: To evaluate (1) the frequency of aquaporin-4 antibody (AQP4-ab)-seropositive cases among patients treated with natalizumab (NAT) and previously diagnosed with MS (MS(NAT)) in a nationwide cohort, (2) the clinical course of NAT-treated AQP4-ab-seropositive neuromyelitis optica spectrum disorder (NMOSD) patients (NMO(NAT)), (3) AQP4-ab titers in NMO(NAT) and AQP4-ab-seropositive NMOSD treated with other immunotherapies (NMO(IT)), and (4) immune mechanisms influencing disease activity in NMO(NAT)...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28640924/correction-accuracy-of-the-fluorescence-activated-cell-sorting-assay-for-the-aquaporin-4-antibody-aqp4-ab-comparison-with-the-commercial-aqp4-ab-assay-kit
#14
Jiwon Yang, Sung Min Kim, Yoo-Jin Kim, So Young Cheon, Boram Kim, Kyeong Cheon Jung, Kyung Seok Park
[This corrects the article DOI: 10.1371/journal.pone.0162900.].
2017: PloS One
https://www.readbyqxmd.com/read/28640199/the-role-of-peripheral-cns-directed-antibodies-in-promoting-inflammatory-cns-demyelination
#15
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/28619428/neuromyelitis-optica-presenting-with-horner-syndrome-a-case-report-and-review-of-literature
#16
İrem Fatma Uludağ, Alp Sarıteke, Levent Öcek, Yaşar Zorlu, Ufuk Şener, Figen Tokuçoğlu, Burhanettin Uludağ
Neuromyelitis optica (NMO) is a demyelinating disease of the central nervous system that predominantly affects the spinal cord and optic nerves. We describe a 19 years old woman with left Horner syndrome (HS), who was diagnosed as NMO with characteristic longitudinally extensive myelitis and positive serum aquaporin-4 immunoglobulin G antibodies (AQP4-IgG). Our report describes one of the very rare ocular motor symptoms in NMO patients.
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28615429/diagnostic-algorithm-for-relapsing-acquired-demyelinating-syndromes-in-children
#17
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/28601290/suspected-bacterial-meningomyelitis-the-first-presenting-clinical-feature-of-neuromyelitis-optica-spectrum-disorder
#18
Xiang Li, Jie Lin, Sipei Pan, Yiyun Weng, Jia Li, Xu Zhang, Junhui Xia, Qiaowen Tong
A rare case of neuromyelitis optica spectrum disorder, suspected to be bacterial meningomyelitis as the initial manifestation, is reported. The patient presented with initial symptoms of meningomyelitis and fever. Cerebrospinal fluid analysis revealed pleocytosis (1280×10(6)/L [98% lymphocytes]) and glucose level of 1.8mmol/L. Magnetic resonance imaging revealed >3 vertebral, longitudinally extensive transverse myelitis and area postrema lesions. Right optic neuritis was experienced 20months after the first attack...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28601284/aquaporin-4-antibody-positive-neuromyelitis-optica-spectrum-disorder-associated-with-esophageal-cancer
#19
Tomoya Kon, Tatsuya Ueno, Chieko Suzuki, Jinichi Nunomura, Shohei Igarashi, Tsugumi Sato, Masahiko Tomiyama
Autoimmune diseases are sometimes associated with neoplasms. A 70-year-old Japanese woman with myelitis, seropositive for aquaporin-4 (AQP4) antibody, was diagnosed with neuromyelitis optica spectrum disorder (NMOSD); thereafter an esophageal squamous cell carcinoma was identified. Immunohistochemically, her cancer was anti-AQP4 antibody negative. Her symptoms, imaging findings and AQP4 titer markedly improved with corticosteroid and anti-cancer therapies. Although AQP4 may be a paraneoplastic antigen, paraneoplastic syndrome could not be definitively diagnosed in this case...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28589164/cns-aquaporin-4-specific-b-cells-connect-with-multiple-b-cell-compartments-in-neuromyelitis-optica-spectrum-disorder
#20
Markus C Kowarik, David Astling, Christiane Gasperi, Scott Wemlinger, Hannah Schumann, Monika Dzieciatkowska, Alanna M Ritchie, Bernhard Hemmer, Gregory P Owens, Jeffrey L Bennett
OBJECTIVES: Neuromyelitis optica spectrum disorder (NMOSD) is a severe inflammatory disorder of the central nervous system (CNS) targeted against aquaporin-4 (AQP4). The origin and trafficking of AQP4-specific B cells in NMOSD remains unknown. METHODS: Peripheral (n = 7) and splenic B cells (n = 1) recovered from seven NMOSD patients were sorted into plasmablasts, naïve, memory, and CD27-IgD- double negative (DN) B cells, and variable heavy chain (VH) transcriptome sequences were generated by deep sequencing...
June 2017: Annals of Clinical and Translational Neurology
keyword
keyword
29780
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"