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autoimmune polyneuropathy

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https://www.readbyqxmd.com/read/29661558/genetic-assessment-and-folate-receptor-autoantibodies-in-infantile-onset-cerebral-folate-deficiency-cfd-syndrome
#1
V Th Ramaekers, K Segers, J M Sequeira, M Koenig, L Van Maldergem, V Bours, U Kornak, E V Quadros
INTRODUCTION: Cerebral folate deficiency (CFD) syndromes are defined as neuro-psychiatric conditions with low CSF folate and attributed to different causes such as autoantibodies against the folate receptor-alpha (FR) protein that can block folate transport across the choroid plexus, FOLR1 gene mutations or mitochondrial disorders. High-dose folinic acid treatment restores many neurologic deficits. STUDY AIMS AND METHODS: Among 36 patients from 33 families the infantile-onset CFD syndrome was diagnosed based on typical clinical features and low CSF folate...
March 3, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29618748/fingolimod-therapy-is-not-effective-in-a-mouse-model-of-spontaneous-autoimmune-peripheral-polyneuropathy
#2
Petra Huehnchen, Wolfgang Boehmerle, Matthias Endres
Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is an autoimmune disorder, which causes progressive sensory and motor deficits and often results in severe disability. Knockout of the co-stimulatory protein CD86 in mice of the non-obese diabetic background (NoD.129S4-Cd86tm1Shr /JbsJ) results in the development of a spontaneous autoimmune peripheral polyneuropathy (SAPP). We used this previously described transgenic model to study the effects of the sphingosine-1-phosphate receptor agonist fingolimod on SAPP symptoms, functional and electrophysiological characteristics...
April 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29615658/systemic-igf-1-gene-delivery-by-raav9-improves-spontaneous-autoimmune-peripheral-polyneuropathy-sapp
#3
Tong Gao, Nataliia Bogdanova, Sameera Ghauri, Gang Zhang, Jianxin Lin, Kazim Sheikh
Spontaneous autoimmune peripheral polyneuropathy (SAPP) is a mouse model of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) in non-obese diabetic (NOD) mice null for costimulatory molecule, B7-2 gene (B7-2-/- ). SAPP is a chronic progressive and multifocal inflammatory and demyelinating polyneuropathy of spontaneous onset with secondary axonal degeneration. Insulin-like growth factor 1(IGF-1) is a pleiotropic factor with neuroprotective, regenerative, and anti-inflammatory effects with extensive experience in its preclinical and clinical use...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29603827/differences-between-acute-onset-chronic-inflammatory-demyelinating-polyneuropathy-a-cidp-and-acute-inflammatory-demyelinating-polyneuropathy-aidp-in-adult-patients
#4
Lucas Alessandro, José M Pastor Rueda, Miguel Wilken, Luis A Querol Gutiérrez, Mariano Marrodán, Julián N Acosta, Alberto Rivero, Fabio Barroso, Mauricio F Farez
Acute Inflammatory Demyelinating Polyneuropathy (AIDP) and Acute-onset Chronic Inflammatory Demyelinating Polyneuropathy (A-CIDP) are conditions presenting overlapping clinical features during early stages (first 4 weeks), although the latter may progress after 8 weeks. The aim of this study was to identify predictive factors contributing to their differential diagnosis. Clinical records of adult patients with AIDP or A-CIDP diagnosed at our institution between January-2006 and July-2017 were retrospectively reviewed...
March 30, 2018: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/29574241/acute-disseminated-encephalomyelitis-a-rare-post-malaria-neurological-complication-case-report-and-review-of-the-literature
#5
REVIEW
Joana Carreira, Maria Isabel Casella, Bianca Branco Ascenção, Nuno Pinto Luis, Ana Catarina Gonçalves, Ana Paula Brito, Joana Estalagem Sá, Mário Parreira, Delfim Lopes, José Poças
There are four neurological complications that can occur after malaria treatment at a time when the patient is aparasitaemic: delayed cerebellar ataxia, acute inflammatory demyelinating polyneuropathy, post-malaria neurological syndrome and acute disseminated encephalomyelitis (ADEM). The authors describe a case of a 54-year-old male who presented with encephalopathy and generalized seizures forty-three days after complete recovery from acute malaria by Plasmodium falciparum. Diagnosis of post-malaria ADEM was made based on the acute onset of the neurological symptoms, characteristic findings in magnetic resonance imaging of the brain and prompt response to steroid therapy...
March 21, 2018: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29511073/diagnosis-of-zika-virus-infection-by-peptide-array-and-enzyme-linked-immunosorbent-assay
#6
Nischay Mishra, Adrian Caciula, Adam Price, Riddhi Thakkar, James Ng, Lokendra V Chauhan, Komal Jain, Xiaoyu Che, Diego A Espinosa, Magelda Montoya Cruz, Angel Balmaseda, Eric H Sullivan, Jigar J Patel, Richard G Jarman, Jennifer L Rakeman, Christina T Egan, Chantal B E M Reusken, Marion P G Koopmans, Eva Harris, Rafal Tokarz, Thomas Briese, W Ian Lipkin
Zika virus (ZIKV) is implicated in fetal stillbirth, microcephaly, intracranial calcifications, and ocular anomalies following vertical transmission from infected mothers. In adults, infection may trigger autoimmune inflammatory polyneuropathy. Transmission most commonly follows the bite of infected Aedes mosquitoes but may also occur through sexual intercourse or receipt of blood products. Definitive diagnosis through detection of viral RNA is possible in serum or plasma within 10 days of disease onset, in whole blood within 3 weeks of onset, and in semen for up to 3 months...
March 6, 2018: MBio
https://www.readbyqxmd.com/read/29468524/tafro-syndrome-with-refractory-thrombocytopenia-responding-to-tocilizumab-and-romiplostim-a-case-report
#7
Shoko Noda-Narita, Keiichi Sumida, Akinari Sekine, Junichi Hoshino, Koki Mise, Tatsuya Suwabe, Noriko Hayami, Masayuki Yamanouchi, Toshiharu Ueno, Hiroki Mizuno, Masahiro Kawada, Rikako Hiramatsu, Eiko Hasegawa, Naoki Sawa, Kenmei Takaichi, Kenichi Ohashi, Takeshi Fujii, Yoshifumi Ubara
Thrombocytopenia, anasarca, fever, reticulin fibrosis, organomegaly (TAFRO) syndrome is a unique clinicopathologic subtype of multicentric Castleman's disease that has recently been identified in Japan. However, little is known about its renal histological changes and the optimal treatment for TAFRO syndrome. An 80-year-old Japanese woman was admitted to our hospital for evaluation of severe anasarca and weight gain (10 kg in a month). She had polyneuropathy, monoclonal plasma cell proliferative disorder with positive kappa M-protein, a sclerotic bone lesion, elevation of vascular endothelial growth factor (VEGF), skin changes, and extravascular volume overload, which fulfilled the diagnostic criteria for POEMS (polyneuropathy, organomegaly, endocrinopathy, and monoclonal protein, skin changes) syndrome...
May 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29403541/ivig-for-apparently-autoimmune-small-fiber-polyneuropathy-first-analysis-of-efficacy-and-safety
#8
Xiaolei Liu, Roi Treister, Magdalena Lang, Anne Louise Oaklander
Objectives: Small-fiber polyneuropathy (SFPN) has various underlying causes, including associations with systemic autoimmune conditions. We have proposed a new cause; small-fiber-targeting autoimmune diseases akin to Guillain-Barré and chronic inflammatory demyelinating polyneuropathy (CIDP). There are no treatment studies yet for this 'apparently autoimmune SFPN' (aaSFPN), but intravenous immunoglobulin (IVIg), first-line for Guillain-Barré and CIDP, is prescribed off-label for aaSFPN despite very high cost...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29392441/neurological-adverse-events-associated-with-immune-checkpoint-inhibitors-diagnosis-and-management
#9
REVIEW
Christophoros Astaras, Rita de Micheli, Bianca Moura, Thomas Hundsberger, Andreas F Hottinger
PURPOSE OF REVIEW: Immune checkpoint inhibitors represent a major step forward in the field of oncologic immunotherapy these last years and have significantly increased survival of cancer patients in an ever-growing number of indications. These agents block specific immune checkpoint molecules (programmed cell death protein 1 and its ligand as well as cytotoxic T-lymphocyte-associated antigen 4) that normally downregulate the immune response. These new agents show a specific range of adverse effects induced by abnormal immunologic activation...
February 1, 2018: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29391721/xanthomatous-sialadenitis-autoimmune-or-treatment-induced-lesions
#10
Adriana Handra-Luca
Xanthomatous sialadenitis (XS) is rarely reported. Here we report XS in a case of HLA-B27-positive ankylosing spondylitis showing also anti-MAG-positive polyneuropathy with IgM-kappa dysimmunoglobulinemia/paraproteinemia, lung small cell carcinoma and buccal squamous cell carcinoma (SCC). The lesions were identified in submandibular and labial minor salivary glands of a neck dissection specimen (made during a buccal 1.7 cm large SCC resection procedure). The oral SCC was resected at 8 months after the diagnosis of the lung small cell carcinoma (with skull dome metastases, revealed by a superior cava syndrome) and at 2 months after radiotherapy...
September 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/29375121/guillain-barr%C3%A3-syndrome-transverse-myelitis-and-infectious-diseases
#11
REVIEW
Yhojan Rodríguez, Manuel Rojas, Yovana Pacheco, Yeny Acosta-Ampudia, Carolina Ramírez-Santana, Diana M Monsalve, M Eric Gershwin, Juan-Manuel Anaya
Guillain-Barré syndrome (GBS) and transverse myelitis (TM) both represent immunologically mediated polyneuropathies of major clinical importance. Both are thought to have a genetic predisposition, but as of yet no specific genetic risk loci have been clearly defined. Both are considered autoimmune, but again the etiologies remain enigmatic. Both may be induced via molecular mimicry, particularly from infectious agents and vaccines, but clearly host factor and co-founding host responses will modulate disease susceptibility and natural history...
January 29, 2018: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/29367208/il-10-paradoxically-promotes-autoimmune-neuropathy-through-s1pr1-dependent-cd4-t-cell-migration
#12
Collin-Jamal Smith, Denise E Allard, Yan Wang, James F Howard, Stephanie A Montgomery, Maureen A Su
Chronic inflammatory demyelinating polyneuropathy (CIDP) is a debilitating condition caused by autoimmune demyelination of peripheral nerves. CIDP is associated with increased IL-10, a cytokine with well-described anti-inflammatory effects. However, the role of IL-10 in CIDP is unclear. In this study, we demonstrate that IL-10 paradoxically exacerbates autoimmunity against peripheral nerves. In IL-10-deficient mice, protection from neuropathy was associated with an accrual of highly activated CD4+ T cells in draining lymph nodes and absence of infiltrating immune cells in peripheral nerves...
March 1, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29322703/impact-of-electrophysiological-and-clinical-variants-and-timing-of-plasmapheresis-on-outcome-of-guillain-barr%C3%A3-syndrome
#13
Bipin Amin, Himanshu Meghnathi, M D Gajjar, Tarak Patel, Jignesh Vanani, Nidhi Gupta, Anil Chauhan
Introduction: Guillain-Barré syndrome (GBS) is an autoimmune polyneuropathy causing acute flaccid paralysis and it is known to improve with plasmapheresis. Objective: To study effects of electrophysiological type of GBS, clinical variant of GBS and time taken for initiation of plasmapheresis on outcome of disease. Methods: 50 consecutive patients of GBS attending tertiary care hospital underwent clinical examination and electrophysiological studies...
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29260355/vestibular-impairment-in-chronic-inflammatory-demyelinating-polyneuropathy
#14
Gülden Akdal, Tural Tanrıverdizade, İhsan Şengün, Fikret Bademkıran, Koray Koçoğlu, Ayşe Nur Yüceyar, Özgül Ekmekçi, Hatice Karasoy, G Michael Halmágyi
Chronic inflammatory demyelinating polyneuropathy (CIDP) is a common, treatable, autoimmune peripheral neuropathy considered to produce imbalance by weakness and proprioceptive impairment rather than vestibular impairment. We measured semicircular canal vestibular function in 21 CIDP patients (15M/6F) by the video head impulse test and postural stability with a battery comprising the modified Clinical Test of Sensory Integration and Balance, the Berg Balance Scale, the Dynamic Gait Index, the Fall Efficiency Scale, and the International Cooperative Ataxia Rating Scale...
February 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29189553/guillain-barr%C3%A3-syndrome-triggered-by-immune-checkpoint-inhibitors-a-case-report-and-literature-review
#15
Songkit Supakornnumporn, Bashar Katirji
Immune checkpoint inhibitors, used as immunotherapy in the treatment of melanoma and refractory cancer, may trigger autoimmune disorders. We describe a case of Guillain-Barré syndrome (GBS) after the treatment with ipilimumab and nivolumab and review 4 other reported cases. We confirmed the diagnosis of GBS by electrodiagnostic and cerebrospinal fluid studies. Electrodiagnostic results showed findings consistent with acquired demyelinating polyneuropathy and cerebrospinal fluid showed albuminocytologic dissociation...
December 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/29187518/neurofascin-antibodies-in-autoimmune-genetic-and-idiopathic-neuropathies
#16
Elisabeth Burnor, Li Yang, Hao Zhou, Kristina R Patterson, Colin Quinn, Mary M Reilly, Alexander M Rossor, Steven S Scherer, Eric Lancaster
OBJECTIVE: To measure the frequency, persistence, isoform specificity, and clinical correlates of neurofascin antibodies in patients with peripheral neuropathies. METHODS: We studied cohorts of patients with Guillain-Barre syndrome (GBS) or chronic inflammatory demyelinating polyneuropathy (CIDP) (n = 59), genetic neuropathy (n = 111), and idiopathic neuropathy (n = 43) for immunoglobulin (Ig) G and IgM responses to 3 neurofascin (NF) isoforms (NF140, NF155, and NF186) using cell-based assays...
January 2, 2018: Neurology
https://www.readbyqxmd.com/read/29182448/cerebrospinal-fluid-cytokine-expression-profile-in-multiple-sclerosis-and-chronic-inflammatory-demyelinating-polyneuropathy
#17
Serena Bonin, Nunzia Zanotta, Arianna Sartori, Alessio Bratina, Paolo Manganotti, Giusto Trevisan, Manola Comar
BACKGROUND: Cerebrospinal fluid (CSF) analysis in patients with particular neurologic disorders is a powerful tool to evaluate specific central nervous system inflammatory markers for diagnostic needs, because CSF represents the specific immune micro-environment to the central nervous system. METHODS: CSF samples from 49 patients with multiple sclerosis (MS), chronic inflammatory demyelinating polyneuropathy (CIDP), and non-inflammatory neurologic disorders (NIND) as controls were submitted to protein expression profiles of 47 inflammatory biomarkers by multiplex Luminex bead assay to investigate possible differences in the inflammatory process for MS and CIDP...
February 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29096750/clinical-efficacy-and-mechanism-of-lymphoplasma-exchange-in-the-treatment-of-guillain-barre-syndrome
#18
M-C Luo, W-F Wang, W-F Yin, Y Li, B-J Li, W-W Duan, Q-M Zeng, Y-B Luo, X-S Yang, H Yang
Guillain-Barre syndrome (GBS) is an autoimmune disease of the nervous system and is the most common acute polyneuropathy. Both cellular and humoral immunity are believed to be involved in the pathogenesis of GBS, and various types of activated CD4+ T cells are thought to orchestrate the onset and progression of GBS. Lymphoplasma exchange (LPE) filtering out activated lymphocytes while exchanging plasma has been used for GBS treatment for years. However the treatment is still not yet optimal. In order to assess the efficacy of this treatment, we evaluate the effect of LPE and determine the appropriate frequency of LPE treatments for GBS patients through comparing the neurological deficit scores and the changes in related immunology indicators of GBS patients before and after LPE treatment...
October 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29037898/zika-virus-and-autoimmunity-one-step-forward
#19
REVIEW
Diana M Monsalve, Yovana Pacheco, Yeny Acosta-Ampudia, Yhojan Rodríguez, Carolina Ramírez-Santana, Juan-Manuel Anaya
Zika virus (ZIKV) infection has been associated with the development of Guillain-Barré syndrome (GBS) and idiopathic thrombocytopenic purpura (ITP). Whether ZIKV infection is related to other autoimmune diseases is unknown. Therefore, an association study to evaluate rheumatic and thyroid autoimmunity in patients with ZIKV disease was conducted through a panel of 14 autoantibodies. In addition, a literature review on ZIKV, and GBS and ITP was performed. Our results disclosed a lack of association of rheumatoid and thyroid autoimmunity with ZIKV disease...
December 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28987189/diseases-of-the-peripheral-nerves
#20
REVIEW
Istvan Katona, Joachim Weis
This chapter reviews the diseases of the peripheral nerves from a neuropathologic point of view, with a special focus on specific morphologic changes, and includes a summary of the histopathologic methods available for their diagnosis. As the rate of obesity and the prevalence of type 2 diabetes increase, diabetic neuropathy is the most common cause of peripheral neuropathy. Many systemic disorders with metabolic origin, like amyloidosis, hepatic failure, vitamin deficiencies, uremia, lipid metabolism disorders, and others, can also cause axonal or myelin alterations in the peripheral nervous system...
2017: Handbook of Clinical Neurology
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