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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/29147913/expression-of-tlr7-tlr9-jak2-and-stat3-genes-in-peripheral-blood-mononuclear-cells-from-patients-with-systemic-sclerosis
#2
Miša Vreća, Ana Zeković, Nemanja Damjanov, Marina Andjelković, Milena Ugrin, Sonja Pavlović, Vesna Spasovski
Systemic sclerosis (SSc) is a rare, chronic, multisystem autoimmune disease clinically characterized by progressive fibrosis of the skin and internal organs. The basic mechanism appears to involve endothelial cell injury, overproduction of extracellular matrix proteins, and aberrant immune activation. So far, there have been a few attempts to find genetic biomarkers for monitoring disease activity or for correlation with certain symptoms. In order to reveal reliable biomarkers, we analyzed the expression of four genes representing three important signaling pathways, TLR7, TLR9, and JAK2-STAT3...
November 16, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29145709/defining-a-unified-vascular-phenotype-in-systemic-sclerosis
#3
REVIEW
Yannick Allanore, Oliver Distler, Marco Matucci-Cerinic, Christopher P Denton
Microcirculation impairment and related vasculopathy is a hallmark of systemic sclerosis. Digital ulcers are second only to Raynaud's phenomenon as a vascular complication occurring in scleroderma patients. Digital ulcers are painful and generate disability. Furthermore, patients may develop recurrent digital ulcers and one may ask whether the outcomes of such patients might be different to those of unaffected ones. Recently several registries have provided relevant information about digital ulcers. Male sex and severe skin disease seem to be the main associated factors observed in several registries...
November 16, 2017: Arthritis & Rheumatology
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/29140474/identification-of-novel-systemic-sclerosis-biomarkers-employing-aptamer-proteomic-analysis
#5
Peter J Wermuth, Sonsoles Piera-Velazquez, Sergio A Jimenez
There is an important unmet need for clinically validated non-invasive biomarkers for SSc diagnosis, assessment of disease activity, extent of internal organ involvement, therapeutic response and prognosis. There is also an unmet need for biomarkers to accurately differentiate primary RP from recent onset RP evolving into SSc. The lack of sensitive and specific biomarkers for SSc and SSc-associated RP is a limitation for the optimal clinical management of these patients. The development of highly sensitive and specific proteomic analysis employing aptamers and the expansion in the number of proteins that can be specifically identified by aptamer proteomics have opened new horizons for biomarker discovery...
November 13, 2017: Rheumatology
https://www.readbyqxmd.com/read/29137922/extracellular-vesicles-in-neurodegenerative-diseases
#6
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/29136131/characteristic-increases-in-eeg-connectivity-correlate-with-changes-of-structural-mri-in-amyotrophic-lateral-sclerosis
#7
Bahman Nasseroleslami, Stefan Dukic, Michael Broderick, Kieran Mohr, Christina Schuster, Brighid Gavin, Russell McLaughlin, Mark Heverin, Alice Vajda, Parameswaran M Iyer, Niall Pender, Peter Bede, Edmund C Lalor, Orla Hardiman
Amyotrophic lateral sclerosis (ALS) is a terminal progressive adult-onset neurodegeneration of the motor system. Although originally considered a pure motor degeneration, there is increasing evidence of disease heterogeneity with varying degrees of extra-motor involvement. How the combined motor and nonmotor degeneration occurs in the context of broader disruption in neural communication across brain networks has not been well characterized. Here, we have performed high-density crossectional and longitudinal resting-state electroencephalography (EEG) recordings on 100 ALS patients and 34 matched controls, and have identified characteristic patterns of altered EEG connectivity that have persisted in longitudinal analyses...
November 9, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29126764/stat5a-and-stat6-gene-expression-levels-in-multiple-sclerosis-patients
#8
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/29121998/circulating-brain-enriched-micrornas-as-novel-biomarkers-for-detection-and-differentiation-of-neurodegenerative-diseases
#9
Kira S Sheinerman, Jon B Toledo, Vladimir G Tsivinsky, David Irwin, Murray Grossman, Daniel Weintraub, Howard I Hurtig, Alice Chen-Plotkin, David A Wolk, Leo F McCluskey, Lauren B Elman, John Q Trojanowski, Samuil R Umansky
BACKGROUND: Minimally invasive specific biomarkers of neurodegenerative diseases (NDs) would facilitate patient selection and disease progression monitoring. We describe the assessment of circulating brain-enriched microRNAs as potential biomarkers for Alzheimer's disease (AD), frontotemporal dementia (FTD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS). METHODS: In this case-control study, the plasma samples were collected from 250 research participants with a clinical diagnosis of AD, FTD, PD, and ALS, as well as from age- and sex-matched control subjects (n = 50 for each group), recruited from 2003 to 2015 at the University of Pennsylvania Health System, including the Alzheimer's Disease Center, the Parkinson's Disease and Movement Disorders Center, the Frontotemporal Degeneration Center, and the Amyotrophic Lateral Sclerosis Clinic...
November 9, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/29121645/novel-lung-imaging-biomarkers-and-skin-gene-expression-subsetting-in-dasatinib-treatment-of-systemic-sclerosis-associated-interstitial-lung-disease
#10
Viktor Martyanov, Grace-Hyun J Kim, Wendy Hayes, Shuyan Du, Bishu J Ganguly, Oumar Sy, Sun Ku Lee, Galina S Bogatkevich, Gary L Schieven, Elena Schiopu, Roberta Gonçalves Marangoni, Jonathan Goldin, Michael L Whitfield, John Varga
BACKGROUND: There are no effective treatments or validated clinical response markers in systemic sclerosis (SSc). We assessed imaging biomarkers and performed gene expression profiling in a single-arm open-label clinical trial of tyrosine kinase inhibitor dasatinib in patients with SSc-associated interstitial lung disease (SSc-ILD). METHODS: Primary objectives were safety and pharmacokinetics. Secondary outcomes included clinical assessments, quantitative high-resolution computed tomography (HRCT) of the chest, serum biomarker assays and skin biopsy-based gene expression subset assignments...
2017: PloS One
https://www.readbyqxmd.com/read/29121642/limbic-system-damage-in-ms-mri-assessment-and-correlations-with-clinical-testing
#11
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
#12
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
#13
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
#14
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
#15
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/29106987/targeting-interferons-as-a-strategy-for-systemic-sclerosis-treatment
#16
REVIEW
Marzena Ciechomska, Urszula Skalska
Systemic Sclerosis (SSc) is an autoimmune disease characterised by vasculopathy, uncontrolled inflammation and enhanced fibrosis which can subsequently lead to the loss of organ function or even premature death. Interferons (IFNs) are pleiotropic cytokines that are critical not only in mounting an effective immune response against viral and bacterial infections but also strongly contribute to the pathogenesis of SSc. Furthermore, elevated levels of IFNs are found in SSc patients and correlate with skin thickness and disease activity suggesting potential role of IFNs as biomarkers...
October 26, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29103426/the-spectrum-of-inflammatory-acquired-demyelinating-syndromes-in-children
#17
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/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
#18
REVIEW
Christopher Bolton, Paul A Smith
The human ageing process encompass 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/29093075/the-measurement-of-the-endothelial-glycocalyx-as-a-new-biomarker-of-endothelial-derangement-in-systemic-sclerosis-a-challenge-for-the-future
#19
EDITORIAL
Silvia Bellando-Randone, Marco Matucci-Cerinic
No abstract text is available yet for this article.
November 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29090607/the-role-of-blood-and-csf-biomarkers-in-the-evaluation-of-new-treatments-against-multiple-sclerosis
#20
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
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