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Multiple sclerosis biomarkers

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https://www.readbyqxmd.com/read/29149697/characteristics-of-motor-speech-phenotypes-in-multiple-sclerosis
#1
Jan Rusz, Barbora Benova, Hana Ruzickova, Michal Novotny, Tereza Tykalova, Jan Hlavnicka, Tomas Uher, Manuela Vaneckova, Michaela Andelova, Klara Novotna, Lucie Kadrnozkova, Dana Horakova
BACKGROUND: Motor speech disorders in multiple sclerosis (MS) are poorly understood and their quantitative, objective acoustic characterization remains limited. Additionally, little data regarding relationships between the severity of speech disorders and neurological involvement in MS, as well as the contribution of pyramidal and cerebellar functional systems on speech phenotypes, is available. METHODS: Speech data were acquired from 141 MS patients with Expanded Disability Status Scale (EDSS) ranging from 1 to 6...
November 8, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29143589/biomarkers-in-the-evolution-of-multiple-sclerosis
#2
Thomas Berger
Nonimaging biomarkers can be applied in differential diagnosis, evaluation of disease progression and therapy monitoring of multiple sclerosis (MS). Presence of oligoclonal IgG bands in cerebrospinal fluid is a diagnostic element and a negative predictor of MS evolution. AQP4 antibodies are pathogenic and diagnostic for neuromyelitis optica spectrum disorder. Antibodies to myelin oligodendrocyte glycoprotein develop in about 50% of predominantly pediatric patients with acute disseminated encephalomyelitis, but their possible role in pathogenesis is unknown...
November 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/29143582/personalized-medicine-in-multiple-sclerosis
#3
Gavin Giovannoni
The therapeutic approach in multiple sclerosis (MS) requires a personalized medicine frame beyond the precision medicine concept, which is not currently implementable due to the lack of robust biomarkers and detailed understanding of MS pathogenesis. Personalized medicine demands a patient-focused approach, with disease taxonomy informed by characterization of pathophysiological processes. Important questions concerning MS taxonomy are: when does MS begin? When does the progressive phase begin? Is MS really two or three diseases? Does a therapeutic window truly exist? Newer evidence points to a disease spectrum and a therapeutic lag of several years for benefits to be observed from disease-modifying therapy...
November 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/29141788/interleukin-1-receptor-antagonist-and-2-5-oligoadenylate-synthetase-like-molecules-as-novel-biomarkers-for-multiple-sclerosis-patients-in-bahrain
#4
Moudi Al-Nashmi, Safa Taha, Isa Alsharoqi, Moiz Bakhiet
BACKGROUND: Multiple sclerosis (MS) is a multi-factorial disease of the Central Nervous System (CNS) affecting young adults leading to significant disabilities over time. MS is now believed to be prevalent in Arabian Gulf area with high incidence due to environmental factors and unknown genetic variations. The objectives of this study was to detect up-regulated potential genes that might be involved in neuroinflammatory process in MS patients in Bahrain and to measure the protein levels of the expressed genes...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29137922/extracellular-vesicles-in-neurodegenerative-diseases
#5
REVIEW
Tommaso Croese, Roberto Furlan
Extracellular vesicles (EVs) are released by all neural cells, including neurons, oligodendrocytes, astrocytes, and microglia. The lack of adequate technology has not halted neuroscientists from investigating EVs as a mean to decipher neurodegenerative disorders, still in search of comprehensible pathogenic mechanisms and efficient treatment. EVs are thought to be one of ways neurodegenerative pathologies spread in the brain, but also one of the ways the brain tries to displace toxic proteins, making their meaning in pathogenesis uncertain...
November 11, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/29137897/elevated-serum-levels-of-endothelin-1-in-patients-with-chronic-inflammatory-demyelinating-polyneuropathy
#6
Chun-Wei Chang, Hsiu-Chuan Wu, Rong-Kuo Lyu, Yen-Shi Lo, Chiung-Mei Chen, Long-Sun Ro, Hong-Shiu Chang, Ching-Chang Huang, Ming-Feng Liao, Yih-Ru Wu, Hung-Chou Kuo, Chun-Che Chu, Yi-Ching Weng, Pei-Tsi Wei, Ai-Lun Lo, Kuo-Hsuan Chang
INTRODUCTION: Chronic inflammatory demyelinating polyneuropathy (CIDP) is an acquired, or non-hereditary, chronic demyelinating neuropathy. Currently, there is no reliable molecular biomarker that can identify CIDP patients as well as monitor disease severity. MATERIAL AND METHODS: We measured serum levels of endothelin-1 (ET-1), a factors involved in vasoconstrictive, inflammatory and nerve regenerative processes, in 20 CIDP, 21 acute inflammatory demyelinating polyneuropathy (AIDP), 37 multiple sclerosis (MS), and 10 Alzheimer's disease (AD) patients, as well as 26 healthy control (HC) subjects...
November 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29126764/stat5a-and-stat6-gene-expression-levels-in-multiple-sclerosis-patients
#7
Mahsa Hatami, Tayyebali Salmani, Shahram Arsang-Jang, Mir Davood Omrani, Mehrdokht Mazdeh, Soudeh Ghafouri-Fard, Arezou Sayad, Mohammad Taheri
Multiple sclerosis (MS) is a complex inflammatory, autoimmune disease of the central nervous system (CNS). The disease pathogenesis is not well defined yet. Cytokines have an important role in inflammation as characteristic feature of the disease. Janus kinase/signal transducers and activators of transcriptions (JAK/STAT) family promote cytokine-mediated cell activation. Failure in the JAK/STAT signaling pathway is associated with the pathological outcome in MS. In this study, we compared the expression levels of STAT5a and STAT6 genes in the blood of 50 relapsing-remitting MS (RR-MS) patients and 50 healthy controls by Taqman Quantitative Real-Time PCR in patients and healthy control group...
November 7, 2017: Cytokine
https://www.readbyqxmd.com/read/29121642/limbic-system-damage-in-ms-mri-assessment-and-correlations-with-clinical-testing
#8
Jie Wen, Dmitriy A Yablonskiy, Amber Salter, Anne H Cross
Volume loss in some limbic region structures has been observed in multiple sclerosis (MS) patients. However, in vivo evaluation of existing tissue cellular microstructure integrity has received less attention. The goal of studies reported here was to quantitatively assess loss of limbic system volumes and tissue integrity, and to evaluate associations of these measures with cognitive and physical dysfunction in MS patients. Thirty-one healthy controls (HC) and 80 MS patients, including 32 relapsing remitting (RRMS), 32 secondary progressive (SPMS) and 16 primary progressive (PPMS), participated in this study...
2017: PloS One
https://www.readbyqxmd.com/read/29116612/the-complement-system-as-a-biomarker-of-disease-activity-and-response-to-treatment-in-multiple-sclerosis
#9
REVIEW
Alexandru Tatomir, Anamaria Talpos-Caia, Freidrich Anselmo, Adam M Kruszewski, Dallas Boodhoo, Violeta Rus, Horea Rus
Multiple sclerosis (MS) is an inflammatory, demyelinating, and neurodegenerative disease of the central nervous system. The complement system has an established role in the pathogenesis of MS, and evidence suggests that its components can be used as biomarkers of disease-state activity and response to treatment in MS. Plasma C4a levels have been found to be significantly elevated in patients with active relapsing-remitting MS (RRMS), as compared to both controls and patients with stable RRMS. C3 levels are also significantly elevated in the cerebrospinal fluid (CSF) of patients with RRMS, and C3 levels are correlated with clinical disability...
November 8, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29115515/serum-microrna-expression-profiling-in-patients-with-multiple-system-atrophy
#10
Kodai Kume, Hisakazu Iwama, Kazushi Deguchi, Kazuyo Ikeda, Tadayuki Takata, Yohei Kokudo, Masaki Kamada, Keiko Fujikawa, Kayo Hirose, Hisashi Masugata, Tetsuo Touge, Tsutomu Masaki
Multiple system atrophy (MSA) is a sporadic neurodegenerative disease that is pathologically characterized by α‑synuclein positive glial cytoplasmic inclusions in oligodendrocytes. The clinical diagnosis of MSA is often challenging as there are no established biomarkers and diagnoses are now based on clinical findings alone. At present, the etiology and pathogenesis of MSA are unclear. It has been reported that dysregulation of microRNA (miRNA/miR) serves an important role in neurodegenerative disorders including Alzheimer's disease, Parkinson's disease and amyotrophic lateral sclerosis...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29110780/multiple-sclerosis-and-other-demyelinating-and-autoimmune-inflammatory-diseases-of-the-central-nervous-system
#11
Clara Matute-Blanch, Xavier Montalban, Manuel Comabella
Multiple sclerosis (MS) is characterized by a substantial degree of heterogeneity in relation to clinical manifestations, disease course, radiologic findings, histopathologic characteristics of brain lesions, and response to treatment. In this scenario, there is a strong need in MS for biomarkers that reliably capture these diverse aspects of disease heterogeneity and assist, for instance, in disease diagnosis and stratification, in the prediction of disease course, or in the identification of new and effective therapies for the disease...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29108879/remyelination-modulators-in-multiple-sclerosis-patients
#12
Rabeah Al-Temaimi, Jehad AbuBaker, Irina Al-Khairi, Raed Alroughani
Multiple Sclerosis (MS) is a complex autoimmune neuro-inflammatory disorder characterized by persistent MS plaques in the central nervous system. Resolution of MS plaques is dependent on the remyelination competence of surviving oligodendrocytes and surrounding environment. Here, we assessed myelination modulators in a 100 MS patients against 77 healthy controls. Plasma fractions were used for the assessment of insulin growth factor binding protein1 (IGFBP1), brain-derived neurotrophic factor (BDNF), and lipocalin2 (LCN2) using a Luminex multiplex assay, whereas neurofilament light chain (NF-L) was assessed with an enzyme-linked immunosorbent assay...
November 8, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29103426/the-spectrum-of-inflammatory-acquired-demyelinating-syndromes-in-children
#13
Rinze Neuteboom, Colin Wilbur, Danielle Van Pelt, Moses Rodriguez, Ann Yeh
Acquired demyelinating syndromes in childhood comprise a spectrum of monophasic and recurrent inflammatory conditions of the central nervous system. Examples of monophasic conditions include, clinically isolated syndromes such as optic neuritis and transverse myelitis, as well as acute disseminated encephalomyelitis, whereas recurrent disorders include entities such as multiple sclerosis and neuromyelitis optica spectrum disorder. Knowledge about these disorders has expanded due to rigorously evaluated diagnostic criteria, magnetic resonance imaging features, outcomes, and serum biomarkers in these disorders...
August 2017: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/29103086/a-novel-public-mr-image-dataset-of-multiple-sclerosis-patients-with-lesion-segmentations-based-on-multi-rater-consensus
#14
Žiga Lesjak, Alfiia Galimzianova, Aleš Koren, Matej Lukin, Franjo Pernuš, Boštjan Likar, Žiga Špiclin
Quantified volume and count of white-matter lesions based on magnetic resonance (MR) images are important biomarkers in several neurodegenerative diseases. For a routine extraction of these biomarkers an accurate and reliable automated lesion segmentation is required. To objectively and reliably determine a standard automated method, however, creation of standard validation datasets is of extremely high importance. Ideally, these datasets should be publicly available in conjunction with standardized evaluation methodology to enable objective validation of novel and existing methods...
November 4, 2017: Neuroinformatics
https://www.readbyqxmd.com/read/29101043/the-influence-and-impact-of-ageing-and-immunosenescence-isc-on-adaptive-immunity-during-multiple-sclerosis-ms-and-the-animal-counterpart-experimental-autoimmune-encephalomyelitis-eae
#15
REVIEW
Christopher Bolton, Paul A Smith
The human ageing process encompasses mechanisms that effect a decline in homeostasis with increased susceptibility to disease and the development of chronic life-threatening illness. Increasing age affects the immune system which undergoes a progressive loss of efficiency, termed immunosenescence (ISC), to impact on quantitative and functional aspects of innate and adaptive immunity. The human demyelinating disease multiple sclerosis (MS) and the corresponding animal model experimental autoimmune encephalomyelitis (EAE) are strongly governed by immunological events that primarily involve the adaptive arm of the immune response...
October 31, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/29095097/peripapillary-retinal-nerve-fibre-layer-as-measured-by-optical-coherence-tomography-is-a-prognostic-biomarker-not-only-for-physical-but-also-for-cognitive-disability-progression-in-multiple-sclerosis
#16
Gabriel Bsteh, Harald Hegen, Barbara Teuchner, Matthias Amprosi, Klaus Berek, Felix Ladstätter, Sebastian Wurth, Michael Auer, Franziska Di Pauli, Florian Deisenhammer, Thomas Berger
BACKGROUND: Peripapillary retinal nerve fibre layer (pRNFL) thickness is emerging as a marker of axonal degeneration in multiple sclerosis (MS). OBJECTIVE: We aimed to prospectively assess the predictive value of pRNFL for progression of physical and cognitive disability in relapsing-remitting MS (RRMS). METHODS: In this 3-year longitudinal study on 151 RRMS patients, pRNFL was measured by spectral-domain optical coherence tomography (OCT)...
October 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29090607/the-role-of-blood-and-csf-biomarkers-in-the-evaluation-of-new-treatments-against-multiple-sclerosis
#17
Jan Lycke, Henrik Zetterberg
Multiple sclerosis (MS) is an immune-mediated chronic neurodegenerative disease of the central nervous system (CNS). Therapeutic interventions with immunomodulatory agents reduce disease activity and disability development, which are monitored clinically and by magnetic resonance imaging (MRI). However, these measures largely lack information on the impact from these therapies on inflammation, demyelination and axonal injury, the essential pathophysiological features of MS. Several biomarkers for inflammation and neurodegeneration have been detected in cerebrospinal fluid (CSF)...
November 9, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29076800/neurodegeneration-of-brain-networks-in-the-amyotrophic-lateral-sclerosis-frontotemporal-lobar-degeneration-als-ftld-continuum-evidence-from-mri-and-meg-studies
#18
Francesca Trojsi, Pierpaolo Sorrentino, Giuseppe Sorrentino, Gioacchino Tedeschi
Brain imaging techniques, especially those based on magnetic resonance imaging (MRI) and magnetoencephalography (MEG), have been increasingly applied to study multiple large-scale distributed brain networks in healthy people and neurological patients. With regard to neurodegenerative disorders, amyotrophic lateral sclerosis (ALS), clinically characterized by the predominant loss of motor neurons and progressive weakness of voluntary muscles, and frontotemporal lobar degeneration (FTLD), the second most common early-onset dementia, have been proven to share several clinical, neuropathological, genetic, and neuroimaging features...
October 27, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/29074035/the-il-12-cytokine-family-in-cardiovascular-diseases
#19
T van der Heijden, I Bot, J Kuiper
Cytokines of the Interleukin (IL)-12 family, consisting of IL-12, IL-23, IL-27 and IL-35, are important regulators in (chronic) inflammatory disorders such as rheumatoid arthritis and multiple sclerosis, but also in cardiovascular diseases. Cytokines of the IL-12 family consist of two subunits and are known for their regulatory functions in the immunologic response, more specifically in the regulation and differentiation of T-helper (Th) cells such as Th1 and Th17 cells. Binding of these cytokines to its specific heterodimeric receptor results in the activation of the JAK-STAT signaling...
October 23, 2017: Cytokine
https://www.readbyqxmd.com/read/29071282/identification-of-mir-24-and-mir-137-as-novel-candidate-multiple-sclerosis-mirna-biomarkers-using-multi-staged-data-analysis-protocol
#20
Farveh Ehya, Hossein Abdul Tehrani, Masoud Garshasbi, Seyed Masood Nabavi
Many studies have investigated misregulation of miRNAs relevant to multiple sclerosis (MS) pathogenesis. Abnormal miRNAs can be used both as candidate biomarker for MS diagnosis and understanding the disease miRNA-mRNA regulatory network. In this comprehensive study, misregulated miRNAs related to MS were collected from existing literature, databases and via in silico prediction. A multi-staged data integration strategy (including the construction of miRNA-mRNA regulatory network and systematic data analysis) was conducted in order to investigate MS related miRNAs and their regulatory networks...
September 2017: Molecular Biology Research Communications
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