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https://www.readbyqxmd.com/read/28105588/nogo-a-antibodies-for-progressive-multiple-sclerosis
#1
Benjamin V Ineichen, Patricia S Plattner, Nicolas Good, Roland Martin, Michael Linnebank, Martin E Schwab
Most of the current therapies, as well as many of the clinical trials, for multiple sclerosis (MS) target the inflammatory autoimmune processes, but less than 20% of all clinical trials investigate potential therapies for the chronic progressive disease stage of MS. The latter is responsible for the steadily increasing disability in many patients, and there is an urgent need for novel therapies that protect nervous system tissue and enhance axonal growth and/or remyelination. As outlined in this review, solid pre-clinical data suggest neutralization of the neurite outgrowth inhibitor Nogo-A as a potential new way to achieve both axonal and myelin repair...
January 19, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28105459/mog-antibody-positive-benign-unilateral-cerebral-cortical-encephalitis-with-epilepsy
#2
Ryo Ogawa, Ichiro Nakashima, Toshiyuki Takahashi, Kimihiko Kaneko, Tetsuya Akaishi, Yoshiki Takai, Douglas Kazutoshi Sato, Shuhei Nishiyama, Tatsuro Misu, Hiroshi Kuroda, Masashi Aoki, Kazuo Fujihara
OBJECTIVE: To describe the features of adult patients with benign, unilateral cerebral cortical encephalitis positive for the myelin oligodendrocyte glycoprotein (MOG) antibody. METHODS: In this retrospective, cross-sectional study, after we encountered an index case of MOG antibody-positive unilateral cortical encephalitis with epileptic seizure, we tested for MOG antibody using our in-house, cell-based assay in a cohort of 24 consecutive adult patients with steroid-responsive encephalitis of unknown etiology seen at Tohoku University Hospital (2008-2014)...
March 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28104256/severe-structural-and-functional-visual-system-damage-leads-to-profound-loss-of-vision-related-quality-of-life-in-patients-with-neuromyelitis-optica-spectrum-disorders
#3
Felix Schmidt, Hanna Zimmermann, Janine Mikolajczak, Frederike C Oertel, Florence Pache, Maria Weinhold, Johann Schinzel, Judith Bellmann-Strobl, Klemens Ruprecht, Friedemann Paul, Alexander U Brandt
BACKGROUND: Neuromyelitis optica spectrum disorders (NMOSD) are characterized by devastating optic neuritis attacks causing more structural damage and visual impairment than in multiple sclerosis (MS). The objective of this study was to compare vision-related quality of life in NMOSD and MS patients and correlate it to structural retinal damage and visual function. METHODS: Thirty-one NMOSD and 31 matched MS patients were included. Vision-related quality of life was assessed with the 39-item National Eye Institute Visual Function Questionnaire (NEI-VFQ)...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28096232/pr-957-a-selective-inhibitor-of-immunoproteasome-subunit-low-mw-polypeptide-7-attenuates-experimental-autoimmune-neuritis-by-suppressing-th17-cell-differentiation-and-regulating-cytokine-production
#4
Haijie Liu, Chunxiao Wan, Yanan Ding, Ranran Han, Yating He, Jinting Xiao, Junwei Hao
Experimental autoimmune neuritis (EAN) is a CD4(+) T cell-mediated autoimmune inflammatory demyelinating disease of the peripheral nervous system. It has been replicated in an animal model of human inflammatory demyelinating polyradiculoneuropathy, Guillain-Barré syndrome. In this study, we evaluated the therapeutic efficacy of a selective inhibitor of the immunoproteasome subunit, low-MW polypeptide 7 (PR-957) in rats with EAN. Our results showed that PR-957 significantly delayed onset day, reduced severity and shortened duration of EAN, and alleviated demyelination and inflammatory infiltration in sciatic nerves...
January 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28088912/melatonin-as-a-therapeutic-resource-for-inflammatory-visual-diseases
#5
Marcos L Aranda, María Florencia González Fleitas, Hernán Dieguez, Agustina Iaquinandi, Pablo H Sande, Damián Dorfman, Ruth E Rosenstein
BACKGROUND: Uveitis and optic neuritis are prevalent ocular inflammatory diseases, and highly damaging ocular conditions. Both diseases are currently treated with corticosteroids, but they do not have adequate efficacy and are often associated with severe side effects. Thus, uveitis and optic neuritis remain a challenging field to ophthalmologists and a significant public health concern. OBJECTIVE: This review summarizes findings showing the benefits of a treatment with melatonin in experimental models of these inflammatory ocular diseases...
January 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28077493/disease-modifying-therapies-modulate-retinal-atrophy-in-multiple-sclerosis-a-retrospective-study
#6
Julia Button, Omar Al-Louzi, Andrew Lang, Pavan Bhargava, Scott D Newsome, Teresa Frohman, Laura J Balcer, Elliot M Frohman, Jerry Prince, Peter A Calabresi, Shiv Saidha
OBJECTIVE: To retrospectively investigate whether disease-modifying therapies (DMTs) exert differential effects on rates of retinal atrophy in relapsing-remitting multiple sclerosis (RRMS), as assessed using optical coherence tomography (OCT). METHODS: A total of 402 patients with RRMS followed at the Johns Hopkins MS Center who underwent Cirrus-HD OCT were assessed for eligibility. Inclusion criteria included at least 1 year of OCT follow-up and adherence to a single DMT during the period of follow-up...
January 11, 2017: Neurology
https://www.readbyqxmd.com/read/28074347/pattern-and-motion-related-visual-evoked-potentials-in-hiv-infected-adults
#7
Jana Szanyi, Jan Kremlacek, Zuzana Kubova, Miroslav Kuba, Pavel Gebousky, Jaroslav Kapla, Juraj Szanyi, Frantisek Vit, Jana Langrova
PURPOSE: The goal of the current study was to explore visual function in virally suppressed HIV patients undergoing combined antiretroviral therapy (cART) by using pattern-reversal and motion-onset visual evoked potentials (VEPs). METHODS: The pattern-reversal and motion-onset VEPs were recorded in 20 adult HIV+ patients with a mean age of 38 years and CD4 cell counts ≥230 × 10(6) cells/L of blood. RESULTS: Nine out of 20 patients displayed VEP abnormalities...
January 10, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28071581/role-of-aqp4-antibody-serostatus-and-its-prediction-of-visual-outcome-in-neuromyelitis-optica-a-systematic-review-and-meta-analysis
#8
Nan Lin, Qing Liu, Xiaoyu Wang, Jianmei Ma, Yuyuan Li
: Backgroud: Neuromyelitis optica (NMO) is an autoimmune inflammatory disorder, which is characterized by severe attacks of optic neuritis and myelitis. Antibodies (Ab) to aquaporin-4 (AQP4) (or NMO-IgG) as a serological biomarker of NMO have been widespread used. Nevertheless, some NMO patients remain seronegative for AQP4-Ab and/or have no detected optic nerve involvement. In addition, no consensus exists on the association between AQP4-Ab serostatus and visual outcome in NMO. To drive a more precise estimate of this postulated relationship, a meta-analysis was performed based on existing relevant studies...
January 10, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28068933/screening-for-onconeural-antibodies-in-neuromyelitis-optica-spectrum-disorders
#9
Benjamin Berger, Tilman Hottenrott, Sebastian Rauer, Oliver Stich
BACKGROUND: Some so-called "non-classical" paraneoplastic neurological syndromes (PNS), namely optic neuritis and myelitis, clinically overlap with neuromyelitis optica spectrum disorders (NMOSD), and conversely, in cancer-associated NMOSD, a paraneoplastic etiology has been suggested in rare cases. Therefore, we retrospectively investigated the prevalence of onconeural antibodies, which are highly predictive for a paraneoplastic etiology, and the prevalence of malignancies in NMOSD patients...
January 10, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28060135/melanocytoma-or-juxtapapillary-melanoma
#10
Brandon J Baartman, Baseer Ahmad, Sunil Srivastava, Stephen Jones, Arun D Singh
PURPOSE: To report the case of a melanocytoma of the optic disc leading to severe vision loss, raising concern for possible malignant transformation and optic nerve infiltration. METHODS: Case report. RESULTS: A 36-year-old Arabic woman presented to an outside facility with severe vision loss and a clinical picture concerning for optic neuritis with central retinal vein occlusion. On referral to the authors' institution 1 month after initial presentation, the vision of the patient was no light perception in the affected eye, and examination revealed the presence of a pigmented lesion adjacent to the nerve...
January 2, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28057643/retinal-segmented-layers-with-strong-aquaporin-4-expression-suffered-more-injuries-in-neuromyelitis-optica-spectrum-disorders-compared-with-optic-neuritis-with-aquaporin-4-antibody-seronegativity-detected-by-optical-coherence-tomography
#11
Chun Xia Peng, Hong Yang Li, Wei Wang, Jun Qing Wang, Lei Wang, Quan Gang Xu, Shan Shan Cao, Huan Fen Zhou, Shuo Zhao, Shi Hui Wei
PURPOSE: To evaluate retinal segmented layer alterations in optic neuritis (ON) in an AQP4-Ab seropositive (AQP4-Ab+/ON) cohort and in neuromyelitis optica (NMO) with ON eyes (NMO-ON) compared with an AQP4-Ab seronegative ON (AQP4-Ab-/ON) cohort using optical coherence tomography (OCT). METHODS: We recruited 109 patients with ON (161 eyes) and 47 healthy controls. All patients with ON were subdivided into three subcohorts: 37 patients (54 eyes) with AQP4-Ab+/ON, 45 patients (65 eyes) with AQP4-Ab-/ON and 27 patients (42 eyes) with NMO-ON...
January 5, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28043954/an-abnormal-periventricular-magnetization-transfer-ratio-gradient-occurs-early-in-multiple-sclerosis
#12
J William L Brown, Matteo Pardini, Wallace J Brownlee, Kryshani Fernando, Rebecca S Samson, Ferran Prados Carrasco, Sebastien Ourselin, Claudia A M Gandini Wheeler-Kingshott, David H Miller, Declan T Chard
In established multiple sclerosis, tissue abnormality-as assessed using magnetization transfer ratio-increases close to the lateral ventricles. We aimed to determine whether or not (i) these changes are present from the earliest clinical stages of multiple sclerosis; (ii) they occur independent of white matter lesions; and (iii) they are associated with subsequent conversion to clinically definite multiple sclerosis and disability. Seventy-one subjects had MRI scanning a median of 4.6 months after a clinically isolated optic neuritis (49 females, mean age 33...
January 2, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28040492/valproic-acid-and-ask1-deficiency-ameliorate-optic-neuritis-and-neurodegeneration-in-an-animal-model-of-multiple-sclerosis
#13
Yuriko Azuchi, Atsuko Kimura, Xiaoli Guo, Goichi Akiyama, Takahiko Noro, Chikako Harada, Atsuko Nishigaki, Kazuhiko Namekata, Takayuki Harada
Optic neuritis, which is an acute inflammatory demyelinating syndrome of the central nervous system, is one of the major complications in multiple sclerosis (MS). Herein, we investigated the therapeutic potential of valproic acid (VPA) on optic neuritis in experimental autoimmune encephalomyelitis (EAE), a mouse model of MS. EAE was induced in C57BL/6 mice by immunization with MOG35-55 and VPA (300mg/kg) was administered via intraperitoneal injection once daily from day 3 postimmunization until the end of the experimental period (day 28)...
December 28, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28039596/optic-neuritis-secondary-to-antiandrogen-therapy
#14
REVIEW
Á Ní Mhéalóid, G Cunniffe
BACKGROUND: Optic neuropathy is a disorder characterised by dysfunction or destruction of the optic nerve tissues. Acquired causes include interruption in the blood supply, nutritional deficiency, compression by a tumour or aneurysm, trauma, and toxic types (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 1). Drug-induced optic neuropathy is of the toxic type and can be defined as a clinical syndrome characterised by papillomacular bundle damage, central, or cecocentral scotoma, and reduced colour vision (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 2011; Sharma and Sharma In Indian J Ophthalmol 59(2):137-141, 2)...
December 30, 2016: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28034983/radiofrequency-ablation-in-coccydynia-a-case-series-and-comprehensive-evidence-based-review
#15
REVIEW
Yian Chen, Julie H Y Huang-Lionnet, Steven P Cohen
OBJECTIVES: Coccydynia is a condition with a multitude of different causes, characterized by ill-defined management. There are multiple prospective studies, including several controlled trials, that have evaluated conservative therapies. Additionally, a plethora of observational studies have assessed coccygectomy, but few studies have reported results for nonsurgical interventional procedures. In this report, we describe the treatment results of 12 patients who received conventional or pulsed radiofrequency for coccydynia and systematically review the literature on management...
December 29, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28030893/recent-advances-in-understanding-audiovestibular-loss-of-a-vascular-cause
#16
Hyun-Ah Kim, Hyung Lee
Acute audiovestibular loss is characterized by abrupt onset of prolonged (lasting days) vertigo and hearing loss. Acute ischemic stroke in the distribution of the anterior inferior cerebellar artery (AICA) is known to be the leading cause of acute audiovestibular loss. So far, eight subgroups of AICA territory infarction have been identified according to the patterns of audiovestibular dysfunctions, among which the most common pattern is the combined loss of auditory and vestibular functions. Unlike inner ear dysfunction of a viral cause , which can commonly present as an isolated vestibular (i...
December 12, 2016: Journal of Stroke
https://www.readbyqxmd.com/read/28024449/effects-of-different-force-fields-on-the-structural-character-of-%C3%AE-synuclein-%C3%AE-hairpin-peptide-35-56-in-aqueous-environment
#17
Sangeeta Kundu
The hallmark of Parkinson's disease (PD) is the intracellular protein aggregation forming Lewy Bodies (LB) and Lewy neuritis which comprise mostly of a protein, alpha synuclein (α-syn). Molecular dynamics (MD) simulation methods can augment experimental techniques to understand misfolding and aggregation pathways with atomistic resolution. The quality of MD simulations for proteins and peptides depends greatly on the accuracy of empirical force fields. The aim of this work is to investigate the effects of different force fields on the structural character of β hairpin fragment of α-syn (residues 35-56) peptide in aqueous solution...
December 26, 2016: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28017256/treatment-of-neuromyelitis-optica-and-neuromyelitis-optica-spectrum-disorders-with-rituximab-using-a-maintenance-treatment-regimen-and-close-cd19-b-cell-monitoring-a-six-year-follow-up
#18
M E Evangelopoulos, E Andreadou, G Koutsis, V Koutoulidis, M Anagnostouli, P Katsika, D S Evangelopoulos, I Evdokimidis, C Kilidireas
Neuromyelitis optinca (NMO) represents a serious demyelinating disease of the central nervous system selectively attacking the spinal cord and optic nerve. Early differential diagnosis from multiple sclerosis is of vital importance, as NMO mandates immunosuppressive and not immunomodulatory treatment. Rituximab has been recently introduced as a treatment option for NMO. However, optimal surrogate measures and treatment intervals are still unclear. Five patients (females, mean age 54±10.21years) with NMO and NMO spectrum disorders (NMOSD) were evaluated with respect to disability and relapse rate...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28017244/toll-like-receptor-3-and-viral-infections-of-nervous-system
#19
REVIEW
Rajesh Verma, Kavita Bharti
Members of the toll-like receptor (TLR) family are pathogen recognition receptors that recognize pathogen-associated molecular patterns. TLRs mediate the modulation of innate immune responses and influence the development of adaptive immunity. TLR3 is the first identified antiviral TLR that recognizes dsRNA. TLR3 plays a central role in the activation of host immune responses to viral infections and shows detrimental or protective effects against various viral infections. Several viruses are neurotropic and can infect the central nervous system, leading to neuropathologies such as encephalitis, encephalopathy, meningitis, and neuritis...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28000111/uncommon-disorders-masquerading-as-acute-flaccid-paralysis-in-children
#20
Meenal Garg, Shilpa D Kulkarni, Varsha Patil, Rafat Sayed, Anaita Udwadia Hegde
The syndrome of acute flaccid paralysis (AFP) is a common medical emergency in children. In the era of poliomyelitis eradication, the common causes of AFP include Guillain-Barré syndrome (GBS), transverse myelitis and traumatic neuritis. However, many common diseases can uncommonly present as AFP and some uncommon diseases may also masquerade like it. Uncommon causes of AFP seen at a tertiary care pediatric hospital are discussed along with relevant points in diagnosis and management. Also, common pitfalls in diagnosis of pediatric AFP and an approach to investigations are discussed...
December 21, 2016: Indian Journal of Pediatrics
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