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Multiple sclerosis biomarkers

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https://www.readbyqxmd.com/read/28067602/mirnas-in-cerebrospinal-fluid-identify-patients-with-ms-and-specifically-those-with-lipid-specific-oligoclonal-igm-bands
#1
Ester Quintana, Francisco José Ortega, René Robles-Cedeño, María Luisa Villar, Maria Buxó, Josep Maria Mercader, José Carlos Alvarez-Cermeño, Neus Pueyo, Héctor Perkal, José Manuel Fernández-Real, Lluís Ramió-Torrentà
BACKGROUND: MicroRNAs (miRNAs) are non-coding RNAs that regulate cellular processes by controlling protein translation and mRNA degradation. OBJECTIVE: We aimed to explore the miRNA signature of multiple sclerosis (MS) patients versus controls and the possibility that patients with lipid-specific oligolconal IgM bands (LS_OCMB), a predictor of a more severe disease course, may have a distinct profile. METHODS: An extensive profile of 754 miRNAs was evaluated in the cerebrospinal fluid (CSF) of 14 women using TaqMan low-density arrays...
January 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28063616/chitinase-3-like-1-is-associated-with-the-response-to-interferon-beta-treatment-in-multiple-sclerosis
#2
Clara Matute-Blanch, Jordi Río, Luisa M Villar, Luciana Midaglia, Sunny Malhotra, José C Álvarez-Cermeño, Angela Vidal-Jordana, Xavier Montalban, Manuel Comabella
Chitinase 3-like 1 (CHI3L1) plays a prognostic role in patients with multiple sclerosis (MS). Here, we investigated a potential association between CHI3L1 and the response to interferon-beta (IFNβ) and glatiramer acetate (GA). Serum CHI3L1 levels were measured by ELISA in 117 relapsing-remitting MS (RRMS) patients, 76 IFNβ-treated and 41 GA-treated patients. CHI3L1 levels were increased by GA (p=0.014) but unchanged by IFNβ (p=0.830). CHI3L1 was associated with IFNβ response and levels were higher in non-responder group (p=0...
December 18, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28061362/developing-easy-to-perform-routine-mri-measurements-as-potential-surrogates-for-cognitive-impairment-in-ms
#3
Sarah A Morrow, Suresh Menon, Heather Rosehart, Manas Sharma
OBJECTIVES: One of the most frequently disabling symptoms in Multiple Sclerosis (MS) is cognitive impairment which is often insidious in onset and therefore difficult to recognize in the early stages, for both persons with MS and clinicians. A biomarker that would help identify those at risk of cognitive impairment, or with only mild impairment, would be a useful tool for clinicians. Using MRI, already an integral tool in the diagnosis and monitoring of disease activity in MS, would be ideal...
December 29, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28055081/soluble-cd27-levels-in-cerebrospinal-fluid-as-a-prognostic-biomarker-in-clinically-isolated-syndrome
#4
Roos M van der Vuurst de Vries, Julia Y Mescheriakova, Tessel F Runia, Naghmeh Jafari, Theodora A M Siepman, Rogier Q Hintzen
Importance: There is a growing number of therapies that could be administered after the first symptom of central nervous system demyelination. These drugs can delay multiple sclerosis (MS) diagnosis and slow down future disability. However, treatment of patients with benign course may not be needed; therefore, there is a need for biomarkers to predict long-term prognosis in patients with clinically isolated syndrome (CIS). Objective: To investigate whether the T-cell activation marker soluble CD27 (sCD27) measured in cerebrospinal fluid of patients at time of a first attack is associated with a subsequent diagnosis of MS and a higher relapse rate...
January 3, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28043652/lymphocyte-subsets-as-biomarkers-of-therapeutic-response-in-fingolimod-treated-relapsing-multiple-sclerosis-patients
#5
D Paolicelli, A Manni, M D'Onghia, V Direnzo, P Iaffaldano, S Zoccolella, V Di Lecce, C Tortorella, G Specchia, M Trojano
We investigated, lymphocyte count (LC) and lymphocyte subpopulations (LS) in a real life setting of Fingolimod (FTY) treated Relapsing MS (RMS) patients. Peripheral blood counts with LS, relapses and MRI scans were recorded in a cohort of 119 FTY patients, during one year of treatment. Simple and multivariate logistic regression models, were performed. ROC analysis identified cut-off values of LS predicting a higher risk of relapses and of Gd+ lesions. We demonstrated a FTY-induced re-modulation of the immune system, suggesting that LS in RMS FTY treated patients can predict the clinical response to the drug...
December 21, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28038893/optical-coherence-tomography-a-quantitative-tool-to-measure-neurodegeneration-and-facilitate-testing-of-novel-treatments-for-tissue-protection-in-multiple-sclerosis
#6
Eliza Gordon-Lipkin, Peter A Calabresi
Optical coherence tomography (OCT) is a relatively new imaging technology that has been introduced as a powerful biomarker in neurological disease, including multiple sclerosis. In this review, OCT as an imaging technique, its reproducibility and validation in multiple sclerosis, application to other neurodegenerative diseases and future technological directions are discussed.
December 14, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27996064/free-serum-haemoglobin-is-associated-with-brain-atrophy-in-secondary-progressive-multiple-sclerosis
#7
Alex Lewin, Shea Hamilton, Aviva Witkover, Paul Langford, Richard Nicholas, Jeremy Chataway, Charles R M Bangham
Background A major cause of disability in secondary progressive multiple sclerosis (SPMS) is progressive brain atrophy, whose pathogenesis is not fully understood. The objective of this study was to identify protein biomarkers of brain atrophy in SPMS. Methods We used surface-enhanced laser desorption-ionization time-of-flight mass spectrometry to carry out an unbiased search for serum proteins whose concentration correlated with the rate of brain atrophy, measured by serial MRI scans over a 2-year period in a well-characterized cohort of 140 patients with SPMS...
November 15, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/27994897/progressive-multifocal-leukoencephalopathy-in-a-multiple-sclerosis-patient-diagnosed-after-switching-from-natalizumab-to-fingolimod
#8
Tim Sinnecker, Jalal Othman, Marc Kühl, Imke Metz, Thoralf Niendorf, Annett Kunkel, Friedemann Paul, Jens Wuerfel, Juergen Faiss
Background. Natalizumab- (NTZ-) associated progressive multifocal leukoencephalopathy (PML) is a severe and often disabling infectious central nervous system disease that can become evident in multiple sclerosis (MS) patients after NTZ discontinuation. Recently, novel diagnostic biomarkers for the assessment of PML risk in NTZ treated MS patients such as the anti-JC virus antibody index have been reported, and the clinical relevance of milky-way lesions detectable by MRI has been discussed. Case Presentation and Conclusion...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27927055/improving-the-therapeutic-efficacy-of-neural-progenitor-cell-transplantation-following-spinal-cord-injury
#9
Michael A Lane, Angelo C Lepore, Itzhak Fischer
There have been a wide range of preclinical studies testing cellular therapies to repair the injured spinal cord, yet they remain a challenge to translate because of inconsistencies in efficacy, limited number of patients with acute/subacute SCI and the high costs of clinical trials. Area covered: This paper focusses on the therapeutic potential of neural precursor cells (NPCs) because they can provide the cellular components capable of promoting repair and enhancing functional improvement following spinal cord injury (SCI)...
December 21, 2016: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/27923871/serum-lipid-profile-changes-predict-neurodegeneration-in-interferon-b1a-treated-multiple-sclerosis-patients
#10
Tomas Uher, Kelly Fellows, Dana Horakova, Robert Zivadinov, Manuela Vaneckova, Lukas Sobisek, Michaela Tyblova, Zdenek Seidl, Jan Krasensky, Niels Bergsland, Bianca Weinstock-Guttman, Eva Havrdova, Murali Ramanathan
PURPOSE: To determine whether changes in cholesterol profiles after IFN-beta1a treatment initiation following the first demyelinating event suggestive of MS are associated with clinical and MRI outcomes over 4 years. METHODS: 131 patients (age: 27.9 +/- 7.8 years, 63% female) with serial 3-monthly clinical and 12-monthly MRI follow-up over 4 years were investigated. Serum cholesterol profiles including total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) were obtained at baseline, 1 month, 3 months, and every 6 months thereafter...
December 6, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27919501/soluble-serum-vcam-1-whole-blood-mrna-expression-and-treatment-response-in-natalizumab-treated-multiple-sclerosis
#11
E R Petersen, H B Søndergaard, A B Oturai, Peh Jensen, P S Sorensen, F Sellebjerg, L Börnsen
BACKGROUND: Natalizumab reduces disease activity in multiple sclerosis (MS). Natalizumab binds to the very late antigen-4 and inhibits vascular cell adhesion molecule-1 (VCAM-1)-mediated transmigration of immune cells across the blood-brain-barrier. This is associated with decreased serum concentrations of soluble (s)VCAM-1 and an altered composition of immune cell-subsets in the blood. OBJECTIVE: We aimed to examine if sVCAM-1 serum concentrations and whole blood mRNA expression levels of immune activation biomarkers is associated with disease activity in natalizumab-treated MS-patients...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27913752/expression-and-bioactivity-of-human-alpha-fetoprotein-in-a-bac-to-bac-system
#12
Bo Lin, Kun Liu, Wenting Wang, Wei Li, Xu Dong, Yi Chen, Yan Lu, Junli Guo, Mingyue Zhu, Mengsen Li
Alpha-fetoprotein (AFP) is an early serum growth factor in fetal embryonic development and hepatic oncogenesis. A growing number of investigations of AFP as a tumor-specific biomarker have concluded that AFP is an important target for cancer treatment. AFP also plays an immunomodulatory role in the treatment of several autoimmune diseases, such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, and thyroiditis. In an effort to support biochemical screening and drug design and discovery, we attempted to express and purify human AFP in a Bac-to-Bac system...
December 2, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27911122/an-update-on-the-use-of-cerebrospinal-fluid-analysis-as-a-diagnostic-tool-in-multiple-sclerosis
#13
Matteo Gastaldi, Elisabetta Zardini, Diego Franciotta
Intrathecal B-lymphocyte activation is a hallmark of multiple sclerosis (MS), a multi-factorial inflammatory-demyelinating disease of the central nervous system. Such activation has a counterpart in the cerebrospinal fluid (CSF) oligoclonal IgG bands (OCB), whose diagnostic role in MS has been downgraded within the current McDonald's criteria. With a theoretico-practical approach, the authors review the physiopathological basis of the CSF dynamics, and the state-of-the-art of routine CSF analysis and CSF biomarkers in MS...
January 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27908171/automated-detection-of-white-matter-hyperintensities-of-all-sizes-in-cerebral-small-vessel-disease
#14
Mohsen Ghafoorian, Nico Karssemeijer, Inge W M van Uden, Frank-Erik de Leeuw, Tom Heskes, Elena Marchiori, Bram Platel
PURPOSE: White matter hyperintensities (WMH) are seen on FLAIR-MRI in several neurological disorders, including multiple sclerosis, dementia, Parkinsonism, stroke and cerebral small vessel disease (SVD). WMHs are often used as biomarkers for prognosis or disease progression in these diseases, and additionally longitudinal quantification of WMHs is used to evaluate therapeutic strategies. Human readers show considerable disagreement and inconsistency on detection of small lesions. A multitude of automated detection algorithms for WMHs exists, but since most of the current automated approaches are tuned to optimize segmentation performance according to Jaccard or Dice scores, smaller WMHs often go undetected in these approaches...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906756/optic-neuritis-the-eye-as-a-window-to-the-brain
#15
Thomas M Jenkins, Ahmed T Toosy
PURPOSE OF REVIEW: Acute optic neuritis is a common clinical problem, requiring a structured assessment to guide management and prevent visual loss. The optic nerve is the most accessible part of the central nervous system, so optic neuritis also represents an important paradigm to help decipher mechanisms of damage and recovery in the central nervous system. Important developments include the advent of optical coherence tomography as a biomarker of central nervous system axonal loss, the discovery of new pathological antibodies, notably against aquaporin-4 and, more recently, myelin oligodendrocyte protein, and emerging evidence for sodium channel blockade as a novel therapeutic approach to address energy failure in neuroinflammatory disease...
February 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27899053/cognitive-performance-in-subjects-with-multiple-sclerosis-is-robustly-influenced-by-gender-in-canonical-correlation-analysis
#16
Sue-Jin Lin, Janet Lam, Samantha Beveridge, Irene Vavasour, Anthony Traboulsee, David K B Li, Alex MacKay, Martin McKeown, Brenda Kosaka
The authors explored the relations between clinical/demographic characteristics and performance on a neuropsychological battery (eight tests) in a cohort (N=46) of multiple sclerosis (MS) subjects. Findings resulted from a secondary analysis of a study examining the relationships between imaging biomarkers in MS and cognitive tasks of executive functioning. The objective was to determine whether the overlapping test results could be judiciously combined and associated with clinical/demographic variables. Canonical-correlation analysis (CCA) was utilized, and it was found that differences between performance on untimed tests, and the sum of performance on timed Trail-Making Tests, Parts A and B, best matched clinical/demographic variables, and gender was the most important feature...
November 30, 2016: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/27897360/central-atrophy-early-in-multiple-sclerosis-third-ventricle-volumetry-versus-planimetry
#17
Theodor Lutz, Barbara Bellenberg, Ruth Schneider, Florian Weiler, Odo Köster, Carsten Lukas
BACKGROUND AND PURPOSE: Cerebral atrophy has been suggested to be a reliable magnetic resonance imaging (MRI) predictor of subsequent disability in all stages of multiple sclerosis (MS). However, no accepted methodology for routine clinical use exists to date. We sought an easy to apply and fast technique to evaluate cerebral ventricular volume in patients with MS with similar accuracy as a semiautomatic volumetric method. METHODS: The study included 104 patients, 61 diagnosed with MS and 43 with clinically isolated syndrome...
November 28, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27884750/methylprednisolone-improves-lactate-metabolism-through-reduction-of-elevated-serum-lactate-in-rat-model-of-multiple-sclerosis
#18
Majid Ghareghani, Amir Ghanbari, Shima Dokoohaki, Naser Farhadi, Seyed Mojtaba Hosseini, Reza Mohammadi, Heibatollah Sadeghi
BACKGROUND: Some studies have demonstrated elevated concentrations of lactate both in the cerebrospinal fluid (CSF) and blood samples of multiple sclerosis (MS) patients as a pathological condition. We designed an experimental study first to investigate the serum level of lactate as a biomarker of MS progression and also to investigate the effect of methylprednisolone on serum lactate. METHODS: Experimental autoimmune encephalomyelitis (EAE) was inducted in Lewis rats, and then rats were treated intraperitoneally with methylprednisolone (30mg/kg/d), at the disease onset, and the clinical scores were recorded...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27882200/calcification-in-globus-pallidus-and-putamen-of-multiple-sclerosis-patients-versus-healthy-subjects-using-quantitative-susceptibility-mapping
#19
Muhammad Arshad Javid, M Afzal Khan, Naima Amin, Azeem Nabi
BACKGROUND: Calcification has been well reported in basal ganglia and it grows rapidly in globus pallidus (GP) followed by putamen (PUT) and caudate nucleus because of their high metabolic rate and displays high susceptibility effects. Therefore, the current study focused on magnetic susceptibility effect of calcium content in normal and diseased tissue due to metabolic changes. OBJECTIVES: To evaluate calcium content in GP and PUT structures of multiple sclerosis (MS) patients versus healthy subjects using quantitative susceptibility mapping...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27872808/delineation-of-cortical-pathology-in-multiple-sclerosis-using-multi-surface-magnetization-transfer-ratio-imaging
#20
David A Rudko, Mishkin Derakhshan, Josefina Maranzano, Kunio Nakamura, Douglas L Arnold, Sridar Narayanan
The purpose of our study was to evaluate the utility of measurements of cortical surface magnetization transfer ratio (csMTR) on the inner, mid and outer cortical boundaries as clinically accessible biomarkers of cortical gray matter pathology in multiple sclerosis (MS). Twenty-five MS patients and 12 matched controls were recruited from the MS Clinic of the Montreal Neurological Institute. Anatomical and magnetization transfer ratio (MTR) images were acquired using 3 Tesla MRI at baseline and two-year time-points...
2016: NeuroImage: Clinical
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