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https://www.readbyqxmd.com/read/28639412/the-role-of-microrna-5196-in-the-pathogenesis-of-systemic-sclerosis
#1
Marzena Ciechomska, Patryk Zarecki, Michal Merdas, Jerzy Swierkot, Ewa Morgiel, Piotr Wiland, Wlodzimierz Maslinski, Katarzyna Bogunia-Kubik
BACKGROUND: Systemic sclerosis (SSc) is a chronic autoimmune disease characterised by tissue fibrosis and immune abnormalities. Recent evidence suggests that activated circulating monocytes from SSc patients play an important role in early stages of SSc pathogenesis due to enhanced expression of tissue inhibitor of metalloproteinases 1 (TIMP-1), IL-8 and reactive oxygen species (ROS) induction. However, the exact factors that contribute to chronic inflammation and subsequently fibrosis progression are still unknown...
June 21, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28628466/evaluation-of-cancer-associated-myositis-and-scleroderma-autoantibodies-in-breast-cancer-patients-without-rheumatic-disease
#2
Ami A Shah, Antony Rosen, Laura K Hummers, Betty J May, Alpana Kaushiva, Richard B S Roden, Deborah K Armstrong, Fredrick M Wigley, Livia Casciola-Rosen, Kala Visvanathan
OBJECTIVES: Systemic sclerosis (scleroderma) and dermatomyositis are two prototypic autoimmune diseases that are strongly associated with malignancy. While specific autoantibodies in these diseases are markers of an increased risk of cancer at scleroderma and dermatomyositis onset, it is not known whether these autoantibodies are biomarkers of cancer risk in patients without rheumatic disease. METHODS: In a matched case-control study of women without rheumatic disease, identified from a familial breast cancer cohort, 50 breast cancer cases and 50 controls were assayed for 3 autoantibodies that are known markers of cancer-associated scleroderma and dermatomyositis: anti-RNA polymerase III, anti-NXP2, and anti-TIF1γ...
June 19, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28619424/cerebrospinal-fluid-and-serum-levels-of-interleukin-8-in-patients-with-multiple-sclerosis-and-its-correlation-with-q-albumin
#3
Z Matejčíková, J Mareš, V Sládková, T Svrčinová, J Vysloužilová, J Zapletalová, P Kaňovský
INTRODUCTION: Multiple sclerosis (MS) is an inflammatory-demyelinating disease of the central nervous system (CNS). Autoimmune inflammation is common in the early stages of MS and is followed by neurodegenerative processes. The result of these changes is axon and myelin breakdown. The paraclinical examination methods are an important part of the diagnostic process. Magnetic resonance imaging of the brain and the cervical spinal cord and an examination of cerebrospinal fluid (CSF) are common paraclinical examinations...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28615037/high-sensitivity-and-negative-predictive-value-of-the%C3%A2-detect-algorithm-for-an-early-diagnosis-of-pulmonary-arterial-hypertension-in-systemic-sclerosis-application-in-a-single-center
#4
Alfredo Guillén-Del Castillo, Eduardo L Callejas-Moraga, Gabriela García, José F Rodríguez-Palomares, Antonio Román, Cristina Berastegui, Manuel López-Meseguer, Enric Domingo, Vicente Fonollosa-Plá, Carmen Pilar Simeón-Aznar
BACKGROUND: Pulmonary arterial hypertension (PAH) is one of the most relevant causes of death in systemic sclerosis. The aims of this study were to analyse the recently published DETECT algorithm comparing it with European Society of Cardiology/European Respiratory Society (ESC/ERS) 2009 guidelines: as screening of PAH; (2) identifying median pulmonary arterial pressure (mPAP) ≥21 mmHg; and (3) determining any group of pulmonary hypertension (PH). METHODS: Eighty-three patients fulfilling LeRoy's systemic sclerosis diagnostic criteria with at least right heart catheterization were studied retrospectively...
June 14, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28606626/serum-alarm-antiproteases-in-systemic-sclerosis-patients
#5
Anna Olewicz-Gawlik, Dorota Trzybulska, Katarzyna Graniczna, Barbara Kuznar-Kaminska, Katarzyna Katulska, Halina Batura-Gabryel, Magdalena Frydrychowicz, Aleksandra Danczak-Pazdrowska, Iwona Mozer-Lisewska
Alarm antiproteases, i.e. secretory leukocyte protease inhibitor ad elafin, are key mediators in innate immune response and integrate innate and adaptive immunity systems. The aim of the study was to assess clinical significance of serum levels of alarm antiproteases, elafin and secretory leukocyte protease inhibitor (SLPI) in patients with systemic sclerosis (SSc). Twenty-eight patients with SSc, 25 patients with rheumatoid arthritis (RA) and 22 healthy controls were recruited. Serum elafin and SLPI levels were examined using enzyme-linked immunosorbent assay (ELISA)...
June 9, 2017: Human Immunology
https://www.readbyqxmd.com/read/28587321/clinical-evaluation-of-cenp-b-and-scl-70-autoantibodies-in-silicosis-patients
#6
Suni Lee, Hiroaki Hayashi, Naoko Kumagai-Takei, Hidenori Matsuzaki, Kei Yoshitome, Yasumitsu Nishimura, Kozo Uragami, Masayasu Kusaka, Shoko Yamamoto, Miho Ikeda, Tamayo Hatayama, Wataru Fujimoto, Takemi Otsuki
Silicosis patients (SIL) suffer from respiratory disorders and dysregulation of autoimmunity. Frequent complications such as rheumatoid arthritis, systemic sclerosis (SSc) and vasculitis are known in SIL. Furthermore, we reported previously that some SIL exhibited better respiratory conditions in association with a worse immunological status. In this study, the clinical roles of anti-CENP-B and Scl-70 autoantibodies in SIL were analyzed. The titer index (Log10) of anti-CENP-B autoantibody in SIL was higher than that of healthy volunteers (HV), and that of SSc was higher than those of HV and SIL...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28586096/spinal-cord-multi-parametric-magnetic-resonance-imaging-for-survival-prediction-in-amyotrophic-lateral-sclerosis
#7
G Querin, M M El Mendili, T Lenglet, S Delphine, V Marchand-Pauvert, H Benali, P-F Pradat
BACKGROUND AND PURPOSE: Assessing survival is a critical issue in patients with amyotrophic lateral sclerosis (ALS). Neuroimaging seems to be promising in the assessment of disease severity and several studies also suggest a strong relationship between spinal cord (SC) atrophy described by magnetic resonance imaging (MRI) and disease progression. The aim of the study was to determine the predictive added value of multimodal SC MRI on survival. METHODS: Forty-nine ALS patients were recruited and clinical data were collected...
June 6, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28575534/ccl-2-in-the-circulation-predicts-long-term-progression-of-interstitial-lung-disease-in-early-systemic-sclerosis-patients-data-from-two-independent-cohorts
#8
Minghua Wu, Murray Baron, Claudia Pedroza, Gloria A Salazar, Jun Ying, Julio Charles, Sandeep K Agarwal, Marie Hudson, Janet Pope, Xiaodong Zhou, John D Reveille, Marvin J Fritzler, Maureen D Mayes, Shervin Assassi
OBJECTIVE: There are few clinical predictors of progression of systemic sclerosis (SSc) related interstitial lung disease (ILD). Herein, we examine the predictive significance of key cytokines for long-term progression of ILD and survival in early SSc in two independent cohorts. METHODS: Plasma levels of 11 Th1/Th2 cytokines (IL-1β, IL-5, IL-6, IL-8, IL-10, IL-12, IL-13, TNF-α, CCL-2, ITAC and IP-10) were measured in 266 SSc patients in the GENISOS cohort. Next, CCL-2, IL-10, and IL-6 were measured in 171 early SSc patients from the CSRG replication cohort...
June 2, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28572048/the-role-of-endothelial-cells-in-the-vasculopathy-of-systemic-sclerosis-a-systematic-review
#9
REVIEW
Y Mostmans, M Cutolo, C Giddelo, S Decuman, K Melsens, H Declercq, E Vandecasteele, F De Keyser, O Distler, J Gutermuth, V Smith
INTRODUCTION: Systemic sclerosis (SSc) is an autoimmune connective tissue disorder characterized by fibroproliferative vasculopathy, immunological abnormalities and progressive fibrosis of multiple organs including the skin. In this study, all English speaking articles concerning the role of endothelial cells (ECs) in SSc vasculopathy and representing biomarkers are systematically reviewed and categorized according to endothelial cell (EC) (dys)function in SSc. METHODS: A sensitive search on behalf of the EULAR study group on microcirculation in Rheumatic Diseases was developed in Pubmed, The Cochrane Library and Web of Science to identify articles on SSc vasculopathy and the role of ECs using the following Mesh terms: (systemic sclerosis OR scleroderma) AND pathogenesis AND (endothelial cells OR marker)...
May 29, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28553742/antiribonuclease-h2-antibodies-are-an-immune-biomarker-for-systemic-lupus-erythematosus
#10
Kazuhisa Nozawa, Kentaro Doe, Kaori Uomori, Iwao Sekigawa, Yoshinari Takasaki, Ken Yamaji, Naoto Tamura
We previously reported that autoantibodies against the proliferating cell nuclear antigen protein (PCNA)-binding protein chromatin assembly factor-1 (CAF-1) are specifically found in patients with systemic lupus erythematosus (SLE). PCNA and its complex constituents elicit autoimmune responses in patients with SLE, suggesting that autoantibody diversification likely occurs owing to epitope spreading. Therefore, we sought to clarify whether patients with SLE exhibit an autoimmune response to Ribonuclease H2 (RNase H2), another PCNA-binding protein that regulates cell division...
May 27, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28533781/myelin-oligodendrocyte-glycoprotein-deciphering-a-target-in-inflammatory-demyelinating-diseases
#11
REVIEW
Patrick Peschl, Monika Bradl, Romana Höftberger, Thomas Berger, Markus Reindl
Myelin oligodendrocyte glycoprotein (MOG), a member of the immunoglobulin (Ig) superfamily, is a myelin protein solely expressed at the outermost surface of myelin sheaths and oligodendrocyte membranes. This makes MOG a potential target of cellular and humoral immune responses in inflammatory demyelinating diseases. Due to its late postnatal developmental expression, MOG is an important marker for oligodendrocyte maturation. Discovered about 30 years ago, it is one of the best-studied autoantigens for experimental autoimmune models for multiple sclerosis (MS)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28507011/influence-of-diet-in-multiple-sclerosis-a-systematic-review
#12
REVIEW
M José Bagur, M Antonia Murcia, Antonia M Jiménez-Monreal, Josep A Tur, M Mar Bibiloni, Gonzalo L Alonso, Magdalena Martínez-Tomé
Nutrition is considered to be a possible factor in the pathogenesis of the neurological disease multiple sclerosis (MS). Nutrition intervention studies suggest that diet may be considered as a complementary treatment to control the progression of the disease; a systematic review of the literature on the influence of diet on MS was therefore conducted. The literature search was conducted by using Medlars Online International Literature (MEDLINE) via PubMed and Scopus. Forty-seven articles met the inclusion criteria...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28488090/pathogenesis-of-systemic-sclerosis-current-concept-and-emerging-treatments
#13
REVIEW
Masutaka Furue, Chikage Mitoma, Hiroki Mitoma, Gaku Tsuji, Takahito Chiba, Takeshi Nakahara, Hiroshi Uchi, Takafumi Kadono
Systemic sclerosis (SSc) is an intractable multifaceted disease with high mortality. Although its pathogenesis is not fully understood, recent studies have advanced our knowledge on SSc. The cardinal pathological features of SSc are autoimmunity, vasculopathy, and fibrosis. The B cells in SSc are constitutively activated and lead to the production of a plethora of autoantibodies, such as anti-topoisomerase I and anti-centromere antibodies. In addition to these autoantibodies, which are valuable for diagnostic criteria or biomarkers, many other autoantibodies targeting endothelial cells, including endothelin type A receptor and angiotensin II type I receptor, are known to be functional and induce activation or apoptosis of endothelial cells...
May 9, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28480798/a-new-role-for-evoked-potentials-in-ms-repurposing-evoked-potentials-as-biomarkers-for-clinical-trials-in-ms
#14
Martin Hardmeier, Letizia Leocani, Peter Fuhr
Evoked potentials (EP) characterize signal conduction in selected tracts of the central nervous system in a quantifiable way. Since alteration of signal conduction is the main mechanism of symptoms and signs in multiple sclerosis (MS), multimodal EP may serve as a representative measure of the functional impairment in MS. Moreover, EP have been shown to be predictive for disease course, and thus might help to select patient groups at high risk of progression for clinical trials. EP can detect deterioration, as well as improvement of impulse propagation, independently from the mechanism causing the change...
May 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28462864/the-mechanical-importance-of-myelination-in-the-central-nervous-system
#15
Johannes Weickenmeier, Rijk de Rooij, Silvia Budday, Timothy C Ovaert, Ellen Kuhl
Neurons in the central nervous system are surrounded and cross-linked by myelin, a fatty white substance that wraps around axons to create an electrically insulating layer. The electrical function of myelin is widely recognized; yet, its mechanical importance remains underestimated. Here we combined nanoindentation testing and histological staining to correlate brain stiffness to the degree of myelination in immature, pre-natal brains and mature, post-natal brains. We found that both gray and white matter tissue stiffened significantly (p≪0...
April 19, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28455696/viruses-and-multiple-sclerosis-from-mechanisms-and-pathways-to-translational-research-opportunities
#16
REVIEW
Alexios-Fotios A Mentis, Efthimios Dardiotis, Nikolaos Grigoriadis, Efthimia Petinaki, Georgios M Hadjigeorgiou
Viruses are directly or indirectly implicated in multiple sclerosis (MS). Here, we review the evidence on the virus-related pathophysiology of MS, introduce common experimental models, and explore the ways in which viruses cause demyelination. By emphasizing knowledge gaps, we highlight future research directions for effective MS diagnostics and therapies: (i) identifying biomarkers for at-risk individuals, (ii) searching for direct evidence of specific causative viruses, (iii) establishing the contribution of host genetic factors and viruses, and (iv) investigating the contribution of immune regulation at extra-CNS sites...
July 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28450104/characterization-of-binding-and-quantification-of-human-autoantibodies-to-pdgfr%C3%AE-using-a-biosensor-based-approach
#17
Gianluca Moroncini, Massimiliano Cuccioloni, Matteo Mozzicafreddo, Katarzyna Natalia Pozniak, Antonella Grieco, Chiara Paolini, Cecilia Tonnini, Tatiana Spadoni, Silvia Svegliati, Ada Funaro, Mauro Angeletti, Armando Gabrielli
Systemic sclerosis (SSc) is a chronic autoimmune disease of the connective tissue. The variety and clinical relevance of autoantibodies in SSc patients have been extensively studied, eventually identifying agonistic autoantibodies targeting the platelet-derived growth factor receptor alpha (PDGFRα), and representing potential biomarkers for SSc. We used a resonant mirror biosensor to characterize the binding between surface-blocked PDGFRα and PDGFRα-specific recombinant human monoclonal autoantibodies (mAbs) produced by SSc B cells, and detect/quantify serum autoimmune IgG with binding characteristics similar to the mAbs...
July 1, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28439722/dna-methylation-age-acceleration-is-associated-with-disease-duration-and-age-at-onset-in-c9orf72-patients
#18
Ming Zhang, Maria Carmela Tartaglia, Danielle Moreno, Christine Sato, Paul McKeever, Anna Weichert, Julia Keith, Janice Robertson, Lorne Zinman, Ekaterina Rogaeva
The repeat expansion in C9orf72 is the most common cause of amyotrophic lateral sclerosis and frontotemporal dementia. C9orf72 patients present with a wide range in disease duration and age of onset. The strongest risk factor for both syndromes is aging, which was linked to DNA methylation (DNAm) age based on the cumulative assessment of the methylation levels of 353 CpGs included on the genome-wide 450k BeadChip. DNAm age may reflect biological age better than chronological age. We conducted a genome-wide blood DNA methylation study of 46 unrelated C9orf72 patients...
April 24, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28428745/decreased-levels-of-foldase-and-chaperone-proteins-are-associated-with-an-early-onset-amyotrophic-lateral-sclerosis
#19
Melania Filareti, Silvia Luotti, Laura Pasetto, Mauro Pignataro, Katia Paolella, Paolo Messina, Elisabetta Pupillo, Massimiliano Filosto, Christian Lunetta, Jessica Mandrioli, Giuseppe Fuda, Andrea Calvo, Adriano Chiò, Massimo Corbo, Caterina Bendotti, Ettore Beghi, Valentina Bonetto
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by a progressive upper and lower motor neuron degeneration. One of the peculiar clinical characteristics of ALS is the wide distribution in age of onset, which is probably caused by different combinations of intrinsic and exogenous factors. We investigated whether these modifying factors are converging into common pathogenic pathways leading either to an early or a late disease onset. This would imply the identification of phenotypic biomarkers, that can distinguish the two populations of ALS patients, and of relevant pathways to consider in a therapeutic intervention...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28421535/microrna-metabolism-and-dysregulation-in-amyotrophic-lateral-sclerosis
#20
REVIEW
Paola Rinchetti, Mafalda Rizzuti, Irene Faravelli, Stefania Corti
MicroRNAs (miRNAs) are a subset of endogenous, small, non-coding RNA molecules involved in the post-transcriptional regulation of eukaryotic gene expression. Dysregulation in miRNA-related pathways in the central nervous system (CNS) is associated with severe neuronal injury and cell death, which can lead to the development of neurodegenerative disorders, such as amyotrophic lateral sclerosis (ALS). ALS is a fatal adult onset disease characterized by the selective loss of upper and lower motor neurons. While the pathogenesis of ALS is still largely unknown, familial ALS forms linked to TAR DNA-binding protein 43 (TDP-43) and fused in sarcoma (FUS) gene mutations, as well as sporadic forms, display changes in several steps of RNA metabolism, including miRNA processing...
April 18, 2017: Molecular Neurobiology
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