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biomarkers systemic sclerosis

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https://www.readbyqxmd.com/read/29775896/dysregulated-network-of-mirnas-involved-in-the-pathogenesis-of-multiple-sclerosis
#1
REVIEW
Sanam Dolati, Faroogh Marofi, Zohreh Babaloo, Leili Aghebati-Maleki, Leila Roshangar, Majid Ahmadi, Reza Rikhtegar, Mehdi Yousefi
Multiple sclerosis (MS) is a chronic and organ-specific autoimmune disease in which immune cells act against the myelin sheath, resulting in central nervous system (CNS) damage. It has been revealed that miRNAs can play significant role in the pathogenesis of MS. These regulatory molecules lead to the activation of different signaling pathways, regulation of several transcriptional factors, influencing the differentiation of Th17 cells, development of Tregs and alteration from Th2 to Th1 response in MS. New studies have discovered that dysregulation of miRNAs may trigger abnormal immune responses leading consequently in the emergence of autoimmunity...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29759135/the-levels-of-soluble-forms-of-cd21-and-cd83-in-multiple-sclerosis
#2
Sajad Karampoor, Hamid Zahednasab, Masoud Etemadifar, Hossein Keyvani
Multiple Sclerosis (MS) is a neuroinflammatory disease of the central nervous system (CNS) in which immune system plays a crucial role in progression of the disease. An enormous amount of research has been shown that immune mediators such as cytokines and chemokines are the culprits of MS propagation suggesting that modulation of such molecules may pave the path to hinder the disease development. It has been shown that both CD21 and CD83 contribute to the resolution of inflammation occurred in MS. CD21 and CD83 have also been ascribed to Epstein Barr virus (EBV) infection (the prime suspect of MS causality) and the levels of vitamin D, respectively...
July 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29732731/double-blind-randomized-8-week-placebo-controlled-followed-by-a-16-week-open-label-extension-study-with-the-lpa1-receptor-antagonist-sar100842-for-patients-with-diffuse-cutaneous-systemic-sclerosis
#3
Yannick Allanore, Oliver Distler, Alexandre Jagerschmidt, Stephane Illiano, Laetitia Ledein, Eric Boitier, Inoncent Agueusop, Christopher P Denton, Dinesh Khanna
BACKGROUND: Preclinical studies suggest a role for lysophosphatidic acid (LPA) in the pathogenesis of systemic sclerosis (SSc). OBJECTIVES: SAR100842, a potent selective oral antagonist of LPA1 receptor, was assessed for safety, biomarkers and clinical efficacy in patients with diffuse cutaneous SSc (dcSSc). METHODS: An 8-week double-blind, randomized, placebo-controlled study followed by a 16-week open label extension with SAR100842 was performed in patients with early dcSSc and a baseline Rodnan skin score (mRSS) of at least 15...
May 6, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29721505/salivary-biomarkers-in-systemic-sclerosis-disease
#4
REVIEW
Zeineb Zian, Joaira Bakkach, Amina Barakat, Naima Ghailani Nourouti, Mohcine Bennani Mechita
Scleroderma or systemic sclerosis (SSc) is frequently detected at an advanced stage due to diagnosis difficulties. Salivary biomarkers, if existing, could be used for predictive diagnosis of this disease. Human saliva contains a large number of proteins that can be used for diagnosis and are of great potential in clinical research. The use of proteomic analysis to characterize whole saliva (WS) in SSc has gained an increasing attention in the last years and the identification of salivary proteins specific for SSc could lead to early diagnosis or new therapeutic targets...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29708756/targeted-mass-spectrometry-based-assays-for-relative-quantification-of-thirty-brain-related-proteins-and-their-clinical-applications
#5
Ilijana Begcevic, Davor Brinc, Lora Dukic, Ana-Maria Simundic, Iris Zavoreo, Vanja Basic Kes, Eduardo Martínez-Morillo, Ihor Batruch, Andrei P Drabovich, Eleftherios P Diamandis
Cerebrospinal fluid (CSF) is a promising clinical sample for identification of novel biomarkers for various neurological disorders. Considering its direct contact with brain tissue, CSF represents a valuable source of brain-related and brain-specific proteins. Multiple sclerosis is an inflammatory, demyelinating neurological disease affecting the central nervous system and so far there are no diagnostic or prognostic disease specific biomarkers available in the clinic. The primary aim of the present study was to develop a targeted mass spectrometry assay for simultaneous quantification of 30 brain-related proteins in CSF and subsequently to demonstrate assay feasibility in neurological samples derived from multiple sclerosis patients...
April 30, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29701842/the-emerging-immunogenetic-architecture-of-schizophrenia
#6
Jennie G Pouget
Schizophrenia is a severe psychiatric disorder of complex etiology. Immune processes have long been proposed to contribute to the development of schizophrenia, and accumulating evidence supports immune involvement in at least a subset of cases. In recent years, large-scale genetic studies have provided new insights into the role of the immune system in this disease. Here, we provide an overview of the immunogenetic architecture of schizophrenia based on findings from genome-wide association studies (GWAS). First, we review individual immune loci identified in secondary analyses of GWAS, which implicate over 30 genes expressed in both immune and brain cells...
April 26, 2018: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29693466/isoprostane-in-systemic-sclerosis-a-systematic-review-and-meta-analysis
#7
Paul Rj Ames, Mira Merashli, Tommaso Bucci, Jaffar Norouz-Zadeh
OBJECTIVES: to further the knowledge of oxidative stress in systemic sclerosis (SSc) we performed a systematic review and meta-analysis on studies measuring isoprostane, a vasoactive agent deriving from arachidonic acid and implicated in the vasculopathy of SSc. METHODS: systematic search following the PRISMA guidelines in PubMed and EMBASE between January-1990/December-2017 using the terms: oxidative stress, isoprostane, systemic sclerosis, scleroderma. RESULTS: After the screening process 8 studies including 240 SSc patients and 192 controls were included in the systematic review and meta-analysis, 6 investigating urinary and 2 serum isoprostane: random effect meta-analysis revealed isoprostane overgeneration in SSc (p < 0...
April 25, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29687634/ccl21-as-a-potential-serum-biomarker-for-pulmonary-arterial-hypertension-in-systemic-sclerosis
#8
Anna-Maria Hoffmann-Vold, Roger Hesselstrand, Håvard Fretheim, Thor Ueland, Arne K Andreassen, Cathrine Brunborg, Vyacheslav Palchevskiy, Øyvind Midtvedt, Torhild Garen, Pål Aukrust, John A Belperio, Øyvind Molberg
BACKGROUND: Systemic sclerosis (SSc) is a major cause of pulmonary arterial hypertension (PAH). Murine models indicate key roles of chemokines CCL19/21 and their receptor CCR7 in lung inflammation leading to PAH. OBJECTIVE: We assessed the chemokine CCL19/21 axis in SSc-PAH. METHODS: Sera from two independent prospective SSc cohorts (n=326), idiopathic PAH (n=12) and controls (n=100) were analysed for CCL19/CCL21 by ELISA. Levels were defined as high or low using [mean + 2SD] in controls as cut-off...
April 24, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29687288/increased-serum-levels-of-adhesion-molecules-icam-1-and-vcam-1-in-systemic-sclerosis-are-not-specific-for-pulmonary-manifestations
#9
Vivek Thakkar, Karen A Patterson, Wendy Stevens, Michelle Wilson, Janet Roddy, Joanne Sahhar, Susanna Proudman, Pravin Hissaria, Mandana Nikpour
Studies suggest elevated serum intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) levels may be markers of pulmonary arterial hypertension in systemic sclerosis (SSc-PAH). We sought to evaluate whether ICAM-1 and VCAM-1 levels are useful screening biomarkers for incident SSc-PAH. In this cross-sectional study, four groups were selected from the Australian Scleroderma Cohort Study: group 1 (n = 15) had definite PAH; group 2 (n = 19) had interstitial lung disease (ILD); group 3 (n = 30) were SSc-controls; and group 4 (n = 34) were healthy controls...
April 23, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29683029/contrast-enhanced-fat-suppressed-flair-for-the-characterization-of-leptomeningeal-inflammation-in-optic-neuritis
#10
Luis Pino-Lopez, Holger Wenz, Johannes Böhme, Máté Maros, Frank Schlichtenbrede, Christoph Groden, Alex Förster
BACKGROUND: Leptomeningeal contrast enhancement on fluid-attenuated inversion recovery (FLAIR) images has been reported in patients with multiple sclerosis and interpreted as a biomarker of inflammation. In this study, we sought to evaluate this phenomenon in patients with optic neuritis (ON). METHODS: A total of 42 patients with suspected ON were included in this prospective study and underwent a dedicated study magnetic resonance imaging (MRI) protocol including native and contrast-enhanced fat-suppressed thin-section axial and coronal FLAIR images on an 1...
April 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29680223/dysregulation-of-micrornas-in-autoimmune-diseases-pathogenesis-biomarkers-and-potential-therapeutic-targets
#11
Hai Long, Xin Wang, Yongjian Chen, Ling Wang, Ming Zhao, Qianjin Lu
MicroRNAs (miRNAs) are small, single-stranded, endogenous non-coding RNAs that repress the expression of target genes via post-transcriptional mechanisms. Due to their broad regulatory effects, the precisely regulated, spatial-specific and temporal-specific expression of miRNAs is fundamentally important to various biological processes including the immune homeostasis and normal function of both innate and adaptive immune response. Aberrance of miRNAs is implicated in the development of various human diseases, especially cancers...
April 19, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29678369/impaired-corticomuscular-and-interhemispheric-cortical-beta-oscillation-coupling-in-amyotrophic-lateral-sclerosis
#12
Malcolm Proudfoot, Freek van Ede, Andrew Quinn, Giles L Colclough, Joanne Wuu, Kevin Talbot, Michael Benatar, Mark W Woolrich, Anna C Nobre, Martin R Turner
OBJECTIVES: The neural activity of the primary motor cortex is variably synchronised with contralateral peripheral electromyographic signals, which is thought to facilitate long-range communication through the motor system. Such corticomuscular coherence (CMC) is typically observed in the beta-band (15-30 Hz) range during steady force production. We aimed to measure pathological alteration to CMC resulting from ALS. METHODS: CMC was appraised during a forearm grip task in 17 ALS patients contrasted against age-matched healthy controls...
April 6, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29676479/sulfatide-isoform-pattern-in-cerebrospinal-fluid-discriminates-progressive-ms-from-relapsing-remitting-ms
#13
Lenka Novakova, Avadhesh Kumar Singh, Clas Malmeström, Henrik Zetterberg, Marcus Ståhlman, Markus Axelsson, Martin Adiels, Jan Borén, Jan Lycke, Susanna L Cardell, Maria Blomqvist
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS). Several biomarkers including proteins and lipids have been reported in MS cerebrospinal fluid (CSF), reflecting different aspects of the pathophysiology particularly of relapsing-remitting MS (RRMS). Sulfatide, abundant in the myelin sheath and a proposed target for autoimmune attack in MS, has been reported altered in MS CSF. Here, we investigated the potential of CSF sulfatide and its isoforms as biomarkers in MS...
April 20, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29672805/musculoskeletal-manifestations-of-non-ra-connective-tissue-diseases-scleroderma-systemic-lupus-erythematosus-still-s-disease-dermatomyositis-polymyositis-sj%C3%A3-gren-s-syndrome-and-mixed-connective-tissue-disease
#14
Thibaut Jacques, Iwona Sudoł-Szopińska, Neal Larkman, Phil O'Connor, Anne Cotten
The most common systemic rheumatologic conditions are connective tissue diseases (including rheumatoid arthritis [RA]) followed by spondyloarthropathy. With the advent of biotherapies and imaging biomarkers, development in the imaging of RA and spondyloarthropathies has received substantial attention in the literature. This article details the various musculoskeletal imaging features of the other connective tissue diseases such as scleroderma and progressive systemic sclerosis, systemic lupus erythematosus, Still's disease, dermatomyositis and polymyositis, Sjögren's syndrome, and mixed connective tissue disease...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29670575/mog-igg-associated-optic-neuritis-encephalitis-and-myelitis-lessons-learned-from-neuromyelitis-optica-spectrum-disorder
#15
REVIEW
Giordani Rodrigues Dos Passos, Luana Michelli Oliveira, Bruna Klein da Costa, Samira Luisa Apostolos-Pereira, Dagoberto Callegaro, Kazuo Fujihara, Douglas Kazutoshi Sato
Antibodies against myelin oligodendrocyte glycoprotein (MOG-IgG) have been found in some cases diagnosed as seronegative neuromyelitis optica spectrum disorder (NMOSD). MOG-IgG allowed the identification of a subgroup with a clinical course distinct from that of NMOSD patients who are seropositive for aquaporin-4-IgG antibodies. MOG-IgG is associated with a wider clinical phenotype, not limited to NMOSD, with the majority of cases presenting with optic neuritis (ON), encephalitis with brain demyelinating lesions, and/or myelitis...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29664231/oxidative-stress-in-the-pathogenesis-of-systemic-scleroderma-an-overview
#16
REVIEW
Rosa Vona, Antonello Giovannetti, Lucrezia Gambardella, Walter Malorni, Donatella Pietraforte, Elisabetta Straface
Systemic sclerosis (SSc) is a rare disorder of the connective tissue characterized by fibrosis of the skin, skeletal muscles and visceral organs. Additional manifestations include activation of the immune system and vascular injury. SSc causes disability and death as the result of end-stage organ failure. Two clinical subsets of the SSc are accepted: limited cutaneous SSc (lc-SSc) and diffuse cutaneous SSc (dc-SSc). At present, the aetiology and pathogenesis of SSc remain obscure, and consequently, disease outcome is unpredictable...
April 17, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29656444/predicting-therapeutic-response-to-fingolimod-treatment-in-multiple-sclerosis-patients
#17
Bibiana Quirant-Sánchez, José V Hervás-García, Aina Teniente-Serra, Luis Brieva, Ester Moral-Torres, Antonio Cano, Elvira Munteis, María J Mansilla, Silvia Presas-Rodriguez, Juan Navarro-Barriuso, Cristina Ramo-Tello, Eva M Martínez-Cáceres
AIMS: Fingolimod, an orally active immunomodulatory drug for relapsing-remitting multiple sclerosis (RRMS), sequesters T cells in lymph nodes through functional antagonism of the sphingosine-1-phosphate receptor, reducing the number of potential autoreactive cells that migrate to the central nervous system. However, not all RRMS patients respond to this therapy. Our aim was to test the hypothesis that by immune-monitoring RRMS patient's leukocyte subpopulations it is possible to find biomarkers associated with clinical response to fingolimod...
April 15, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29652651/prediction-of-organ-involvement-in-systemic-sclerosis-by-serum-biomarkers-and-peripheral-endothelial-function
#18
Shin-Ya Kawashiri, Ayako Nishino, Takashi Igawa, Ayuko Takatani, Toshimasa Shimizu, Masataka Umeda, Shoichi Fukui, Akitomo Okada, Takahisa Suzuki, Tomohiro Koga, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Munetoshi Nakashima, Akinari Mizokami, Naoki Matsuoka, Kiyoshi Migita, Fumihide Ogawa, Satoshi Ikeda, Koji Maemura, Hideki Nakamura, Tomoki Origuchi, Takahiro Maeda, Atsushi Kawakami
OBJECTIVES: To identify prognostic factors among serum biomarkers and endothelial vasodilator function findings in patients with systemic sclerosis (SSc). METHODS: This is a clinical observational study. We assessed 60 consecutive SSc patients (44 limited cutaneous-type, 16 diffuse cutaneous-type). Circulating growth differentiation factor-15 (GDF-15), placenta growth factor (PlGF), endostatin, vascular endothelial growth factor (VEGF), and pentraxin 3 (PTX3) were measured by ELISA...
April 12, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29609078/chromogranin-a-levels-in-the-cerebrospinal-fluid-of-patients-with-amyotrophic-lateral-sclerosis
#19
Federico Verde, Petra Steinacker, Patrick Oeckl, Jochen H Weishaupt, Angela Rosenbohm, Vincenzo Silani, Albert C Ludolph, Markus Otto
Chromogranin A (CgA) is a protein found in large dense-core vesicles of neuroendocrine cells and neurons and regulating secretion. A relevance to amyotrophic lateral sclerosis (ALS) was suggested as its overexpression accelerates disease onset in model systems and it interacts with mutant forms of SOD1. Recently, increased cerebrospinal fluid (CSF) CgA levels have been reported in ALS patients relative to controls. With the aim of confirming this finding, we measured CgA and phosphorylated neurofilament heavy chain (pNFH), an established ALS biomarker, in the CSF of 32 ALS patients and 32 disease controls...
February 27, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29593720/the-soluble-form-of-toll-like-receptor-2-is-elevated-in-serum-of-multiple-sclerosis-patients-a-novel-potential-disease-biomarker
#20
Md Jakir Hossain, Elena Morandi, Radu Tanasescu, Nanci Frakich, Marzia Caldano, David Onion, Tola A Faraj, Clett Erridge, Bruno Gran
Multiple sclerosis (MS) is an immune-mediated inflammatory demyelinating disease of the central nervous system. It was previously shown that toll-like receptor (TLR)-2 signaling plays a key role in the murine experimental autoimmune encephalomyelitis (EAE) model of MS, and that TLR2-stimulation of regulatory T cells (Tregs) promotes their conversion to T helper 17 (Th17) cells. Here, we sought potential sources of TLR2 stimulation and evidence of TLR2 activity in MS patient clinical samples. Soluble TLR2 (sTLR2) was found to be significantly elevated in sera of MS patients ( n  = 21), in both relapse and remission, compared to healthy controls (HC) ( n  = 24)...
2018: Frontiers in Immunology
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