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https://www.readbyqxmd.com/read/29455184/csf-free-light-chain-identification-of-demyelinating-disease-comparison-with-oligoclonal-banding-and-other-csf-indexes
#1
Kari M Gurtner, Eslam Shosha, Sandra C Bryant, Bruna D Andreguetto, David L Murray, Sean J Pittock, Maria Alice V Willrich
BACKGROUND: Cerebrospinal fluid (CSF) used in immunoglobulin gamma (IgG) index testing and oligoclonal bands (OCBs) are common laboratory tests used in the diagnosis of multiple sclerosis. The measurement of CSF free light chains (FLC) could pose as an alternative to the labor-intensive isoelectric-focusing (IEF) gels used for OCBs. METHODS: A total of 325 residual paired CSF and serum specimens were obtained after physician-ordered OCB IEF testing. CSF kappa (cKFLC) and lambda FLC (cLFLC), albumin and total IgG were measured...
February 19, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29452342/neurofilament-light-chain-and-oligoclonal-bands-are-prognostic-biomarkers-in-radiologically-isolated-syndrome
#2
Clara Matute-Blanch, Luisa M Villar, José C Álvarez-Cermeño, Konrad Rejdak, Evgeniy Evdoshenko, Gleb Makshakov, Vladimir Nazarov, Sergey Lapin, Luciana Midaglia, Angela Vidal-Jordana, Jelena Drulovic, Antonio García-Merino, Antonio J Sánchez-López, Eva Havrdova, Albert Saiz, Sara Llufriu, Roberto Alvarez-Lafuente, Ina Schroeder, Uwe K Zettl, Daniela Galimberti, Lluís Ramió-Torrentà, René Robles, Ester Quintana, Harald Hegen, Florian Deisenhammer, Jordi Río, Mar Tintoré, Alex Sánchez, Xavier Montalban, Manuel Comabella
The prognostic role of cerebrospinal fluid molecular biomarkers determined in early pathogenic stages of multiple sclerosis has yet to be defined. In the present study, we aimed to investigate the prognostic value of chitinase 3 like 1 (CHI3L1), neurofilament light chain, and oligoclonal bands for conversion to clinically isolated syndrome and to multiple sclerosis in 75 patients with radiologically isolated syndrome. Cerebrospinal fluid levels of CHI3L1 and neurofilament light chain were measured by enzyme-linked immunosorbent assay...
February 14, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29438265/keep-your-eyes-wide-open-on-visual-and-vision-related-measurements-to-better-understand-multiple-sclerosis-pathophysiology
#3
Yael Backner, Netta Levin
BACKGROUND: Multiple sclerosis (MS), a demyelinating disease of the central nervous system, is multifaceted. It manifests as acute episodes as well as an accumulative chronic disability; myelin involvement as well as axonal damage; local as well as global effects; and disease load elements as well as compensatory mechanisms. The visual system, with its clear structural organization and relatively direct reflection of damage, may serve as an appropriate model to study MS. METHODS: In recent years, we have witnessed a blossoming in the field of visual measures in MS...
March 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29428682/counting-of-peripheral-extracellular-vesicles-in-multiple-sclerosis-patients-by-an-improved-nanoplasmonic-assay-and-dynamic-light-scattering
#4
Antonia Mallardi, Nicoletta Nuzziello, Maria Liguori, Carlo Avolio, Gerardo Palazzo
Extracellular vesicles (EVs) are vesicles naturally secreted by the majority of human cells. Being composed by a closed phospholipid bilayer secluding proteins and RNAs they are used to transfer molecular information to other cells, thereby influencing the recipient cell functions. Despite the increasingly recognized relevance of EVs, the clarification of their physiological role is hampered by the lack of suitable analytical tools for their quantification and characterization. In this study, we have implemented a nanoplasmonic assay, previously proposed for the purity of the EV fractions, to achieve a robust analytical protocol in order to quantify the total phospholipid concentration (CPL) and the EVs number...
February 5, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29408796/search-for-new-biomarkers-of-pediatric-multiple-sclerosis-application-of-immunoglobulin-free-light-chain-analysis
#5
Esther Ganelin-Cohen, Sizilia Golderman, Regina Yeskaraev, Ayal Rozenberg, Avi Livneh, Batia Kaplan
BACKGROUND: Identifying new biomarkers is needed to overcome the diagnostic difficulties of pediatric multiple sclerosis (MS). Recently, we developed a new technique including CSF analysis of free light chain (FLC) monomers and dimers, which can improve diagnosis of adult MS. The present study has been designed to evaluate the utility of our technique for MS diagnosis in children. METHODS: Patients with MS (n=21) and non-MS demyelinating or inflammatory neurological disorders (n=35) participated in the study...
February 6, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29405761/guided-imagery-improves-mood-fatigue-and-quality-of-life-in-individuals-with-multiple-sclerosis-an-exploratory-efficacy-trial-of-healing-light-guided-imagery
#6
Laura K Case, Paula Jackson, Revere Kinkel, Paul J Mills
Multiple sclerosis is a disabling and progressive neurological disease that has significant negative effects on health-related quality of life. This exploratory efficacy study examined the effects of Healing Light Guided Imagery (HLGI), a novel variant of guided imagery, compared with a wait-list control in patients with relapsing-remitting multiple sclerosis. Changes in the Beck Depression Inventory, Fatigue Severity Scale, and Multiple Sclerosis Quality of Life instrument (physical and mental components) were compared between groups...
January 2018: J Evid Based Integr Med
https://www.readbyqxmd.com/read/29370869/a-new-enzyme-linked-immunosorbent-assay-for-neurofilament-light-in-cerebrospinal-fluid-analytical-validation-and-clinical-evaluation
#7
Lorenzo Gaetani, Kina Höglund, Lucilla Parnetti, Fani Pujol-Calderon, Bruno Becker, Paolo Eusebi, Paola Sarchielli, Paolo Calabresi, Massimiliano Di Filippo, Henrik Zetterberg, Kaj Blennow
BACKGROUND: Cerebrospinal fluid (CSF) neurofilament light (NfL) is a reliable marker of neuro-axonal damage in different neurological disorders that is related to disease severity. To date, all recent studies performed in human CSF have used the same enzyme-linked immunosorbent assay (ELISA). To confirm the large body of evidence for NfL, we developed a new ELISA method and here we present the performance characteristics of this new ELISA for CSF NfL in different neurological disorders...
January 23, 2018: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/29358722/butyrylcholinesterase-and-acetylcholinesterase-polymorphisms-in-multiple-sclerosis-patients-implication-in-peripheral-inflammation
#8
Marcella Reale, Erica Costantini, Marta Di Nicola, Chiara D'Angelo, Sara Franchi, Marco D'Aurora, Maria Di Bari, Viviana Orlando, Sabrina Galizia, Serena Ruggieri, Liborio Stuppia, Claudio Gasperini, Ada Maria Tata, Valentina Gatta
Multiple Sclerosis (MS) is an autoimmune disease, having not fully understood aetiology, and both genetic and environmental factors contribute to the pathogenesis of the disease. The cholinergic system has been indicated as a mediator of neuro-immune interactions, as well as an internal regulator of immune responses. The aim of the present research was to assess the associations between BChE and AChE genetic variations and serum cholinergic and inflammatory profiles in 102 Relapsing Remitting-MS patients and 117 healthy controls...
January 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348591/relapsing-remitting-multiple-sclerosis-diagnosis-from-cerebrospinal-fluids-via-fourier-transform-infrared-spectroscopy-coupled-with-multivariate-analysis
#9
Dilek Yonar, Levent Ocek, Bedile Irem Tiftikcioglu, Yasar Zorlu, Feride Severcan
Multiple sclerosis (MS) is a chronic, progressive, inflammatory and degenerative disease of central nervous system. Here, we aimed to develop a method for differential diagnosis of Relapsing-Remitting MS (RRMS) and clinically isolated syndrome (CIS) patients, as well as to identify CIS patients who will progress to RRMS, from cerebrospinal fluid (CSF) by infrared (IR) spectroscopy and multivariate analysis. Spectral analyses demonstrated significant differences in the molecular contents, especially in the lipids and Z conformation of DNA of CSF from CIS, CIS to RRMS transformed (TCIS) and RRMS groups...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321142/differentiating-primary-genetic-and-secondary-fsgs-in-adults-a-clinicopathologic-approach
#10
An S De Vriese, Sanjeev Sethi, Karl A Nath, Richard J Glassock, Fernando C Fervenza
FSGS describes a renal histologic lesion with diverse causes and pathogenicities that are linked by podocyte injury and depletion. Subclasses of FSGS include primary, genetic, and secondary forms, the latter comprising maladaptive, viral, and drug-induced FSGS. Despite sharing certain clinical and histologic features, these subclasses differ noticeably in management and prognosis. Without an accepted nongenetic biomarker that discriminates among these FSGS types, classification of patients is often challenging...
January 10, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29313812/pathogenic-commonalities-between-spinal-muscular-atrophy-and-amyotrophic-lateral-sclerosis-converging-roads-to-therapeutic-development
#11
REVIEW
Melissa Bowerman, Lyndsay M Murrray, Frédérique Scamps, Bernard L Schneider, Rashmi Kothary, Cédric Raoul
Spinal muscular atrophy (SMA) and amyotrophic lateral sclerosis (ALS) are the two most common motoneuron disorders, which share typical pathological hallmarks while remaining genetically distinct. Indeed, SMA is caused by deletions or mutations in the survival motor neuron 1 (SMN1) gene whilst ALS, albeit being mostly sporadic, can also be caused by mutations within genes, including superoxide dismutase 1 (SOD1), Fused in Sarcoma (FUS), TAR DNA-binding protein 43 (TDP-43) and chromosome 9 open reading frame 72 (C9ORF72)...
December 4, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29311122/experimental-autoimmune-encephalomyelitis-eae-as-animal-models-of-multiple-sclerosis-ms
#12
Simon Glatigny, Estelle Bettelli
Multiple sclerosis (MS) is a multifocal demyelinating disease of the central nervous system (CNS) leading to the progressive destruction of the myelin sheath surrounding axons. It can present with variable clinical and pathological manifestations, which might reflect the involvement of distinct pathogenic processes. Although the mechanisms leading to the development of the disease are not fully understood, numerous evidences indicate that MS is an autoimmune disease, the initiation and progression of which are dependent on an autoimmune response against myelin antigens...
January 8, 2018: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29289661/notch-signaling-is-impaired-during-inflammation-in-a-lunatic-fringe-dependent-manner
#13
Claudio Derada Troletti, Melissa A Lopes Pinheiro, Marc Charabati, Elizabeth Gowing, Bert van Het Hof, Susanne M A van der Pol, Dirk Geerts, Alexandre Prat, Ruud D Fontijn, Wendy W Unger, Helga E de Vries
The blood-brain barrier (BBB) assures brain homeostasis through the specialized function of brain endothelial cells (BECs). Dysfunction of the BBB due to inflammatory processes is associated with several neurological disorders, including multiple sclerosis (MS). Understanding the mechanisms that underlie these processes may ultimately lead to new therapeutic strategies to restore BBB function, thereby fighting disease progression. In this study, we demonstrate for the first time a critical role of the Notch signaling pathway in the function of the BBB under resting and inflammatory conditions...
December 28, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29238350/differentiation-and-transmigration-of-cd4-t-cells-in-neuroinflammation-and-autoimmunity
#14
REVIEW
Sandip Ashok Sonar, Girdhari Lal
CD4+ T cells play a central role in orchestrating protective immunity and autoimmunity. The activation and differentiation of myelin-reactive CD4+ T cells into effector (Th1 and Th17) and regulatory (Tregs) subsets at the peripheral tissues, and their subsequent transmigration across the blood-brain barrier (BBB) into the central nervous system (CNS) parenchyma are decisive events in the pathogenesis of multiple sclerosis and experimental autoimmune encephalomyelitis. How the Th1, Th17, and regulatory Tregs transmigrate across the BBB into the CNS and cause CNS inflammation is not clearly understood...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29212830/multicenter-evaluation-of-neurofilaments-in-early-symptom-onset-amyotrophic-lateral-sclerosis
#15
Emily Feneberg, Patrick Oeckl, Petra Steinacker, Federico Verde, Christian Barro, Philip Van Damme, Elizabeth Gray, Julian Grosskreutz, Claude Jardel, Jens Kuhle, Sonja Koerner, Foudil Lamari, Maria Del Mar Amador, Benjamin Mayer, Claudia Morelli, Petra Muckova, Susanne Petri, Koen Poesen, Joost Raaphorst, François Salachas, Vincenzo Silani, Beatrice Stubendorff, Martin R Turner, Marcel M Verbeek, Jochen H Weishaupt, Patrick Weydt, Albert C Ludolph, Markus Otto
OBJECTIVE: To examine neurofilament (Nf) concentrations according to symptom onset and clinical diagnostic certainty categories of amyotrophic lateral sclerosis (ALS). METHODS: We measured Nf light chain (NfL) and phosphorylated Nf heavy chain (pNfH) CSF and NfL serum levels in patients with ALS with first symptom onset ≤6 months (n = 54) or >6 months (n = 135) from sampling, and patients with other neurologic diseases, differential diagnoses of a motor neuron disease (MND mimics), and other MND variants to determine the diagnostic accuracy in patients with ALS with early symptom onset...
January 2, 2018: Neurology
https://www.readbyqxmd.com/read/29204292/serum-neurofilament-light-chain-in-nmosd-and-related-disorders-comparison-according-to-aquaporin-4-and-myelin-oligodendrocyte-glycoprotein-antibodies-status
#16
Mariotto S, Farinazzo A, Monaco S, Gajofatto A, Zanusso G, Schanda K, Capra R, Mancinelli C, Bonora A, Bombardi R, Reindl M, Ferrari S
Background: Neurofilament light chain (NF-L) levels reflect axonal damage in different conditions, including demyelinating disorders. Objectives: We aimed to compare serum NF-L levels in patients with aquaporin-4 antibodies (AQP4-Ab), myelin oligodendrocyte antibodies (MOG-Ab) and seronegative cases with neuromyelitis optica spectrum disorders and related disorders. Methods: We analysed AQP4-Ab and MOG-Ab with cell-based assay and NF-L with ultrasensitive electrochemiluminescence immunoassay...
October 2017: Multiple Sclerosis Journal—Experimental, Translational and Clinical
https://www.readbyqxmd.com/read/29203226/innately-versatile-%C3%AE-%C3%AE-17%C3%A2-t-cells-in-inflammatory-and-autoimmune-diseases
#17
REVIEW
Pedro H Papotto, Annika Reinhardt, Immo Prinz, Bruno Silva-Santos
IL-17-producing γδ (γδ17) T cells form a versatile subset of cells that respond rapidly to innate stimuli and support the pro-inflammatory functions of different myeloid and lymphoid lineages, being particularly critical in the early stages of inflammatory and autoimmune responses. In mice, under homeostatic conditions, these innate-like lymphocytes are pre-programmed in the fetal thymus, through an intricate process involving both T cell receptor-dependent and -independent signals, which allows them to readily produce IL-17 upon stimulation...
December 1, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29194592/immunoglobulin-free-light-chains-in-saliva-a-potential-marker-for-disease-activity-in-multiple-sclerosis
#18
Batia Kaplan, Sizilia Golderman, Esther Ganelin-Cohen, Alla Miniovitch, Eitan Korf, Ilan Ben-Zvi, Avi Livneh, Shlomo Flechter
A new procedure was developed and applied to study immunoglobulin free light chains (FLC) in saliva of healthy subjects and patients with multiple sclerosis (MS). The procedure was based on a Western blot analysis for detection and semiquantitative evaluation of monomeric and dimeric FLCs. The FLC indices accounting for the total FLC levels and for the monomer/dimer ratios of κ and λ FLC were calculated, and the cut-off values of the FLC indices were determined to distinguish healthy state from MS disease...
November 30, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29193501/subspecialty-preferences-among-neurologists-of-the-future
#19
P Zis, A Macerollo, A Sauerbier, V Papp, L Klingelhoefer, H R Cock
BACKGROUND AND PURPOSE: In the era of neurological subspecialization, most neurologists will have a field of specialist interest. The aim of this cross-sectional multinational study was to identify the key areas of interest among trainees or junior specialists, assess the potential influence of an interest in research and consider the results in light of population needs. METHODS: A total of 300 residents and junior neurologists who received a bursary to attend the European Academy of Neurology conference were invited to participate in this study...
November 28, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29181516/measuring-adherence-and-outcomes-in-the-treatment-of-patients-with-multiple-sclerosis
#20
Jing Hao, James Pitcavage, J B Jones, Carl Hoegerl, Jove Graham
Context: Both adherence and outcomes are more difficult to measure in patients with multiple sclerosis (MS) than in patients with diseases such as hypertension, for which most medications are taken orally and surrogate outcomes (eg, blood pressure) are routinely collected. Objectives: To characterize the adherence and outcomes of patients with MS within a large integrated health system and to assess the relationship between adherence and outcomes. Study Design: Retrospective review of adherence and health care utilization outcomes via electronic health records and claims (2004-2013) combined with a prospective survey regarding adherence and functional outcomes (2012-2013)...
December 1, 2017: Journal of the American Osteopathic Association
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