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Autoimmune Disease and CV disease

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https://www.readbyqxmd.com/read/28466806/hcv-unrelated-cryoglobulinaemic-vasculitis-the-results-of-a-prospective-observational-study-by-the-italian-group-for-the-study-of-cryoglobulinaemias-gisc
#1
Massimo Galli, Letizia Oreni, Francesco Saccardo, Laura Castelnovo, Davide Filippini, Piero Marson, Maria Teresa Mascia, Cesare Mazzaro, Laura Origgi, Elena Ossi, Maurizio Pietrogrande, Piero Pioltelli, Luca Quartuccio, Salvatore Scarpato, Salvatore Sollima, Agostino Riva, Paolo Fraticelli, Roberta Zani, Dilia Giuggioli, Marco Sebastiani, Piercarlo Sarzi Puttini, Armando Gabrielli, Anna Linda Zignego, Patrizia Scaini, Clodoveo Ferri, Salvatore De Vita, Giuseppe Monti
OBJECTIVES: To investigate the clinical and laboratory patterns of HCV-unrelated cryoglobulinaemic vasculitis (CV), and the factors influencing its outcome. METHODS: Prospective study of all anti-HCV and HCV-RNA negative patients with CV who have been observed since January 2004 in 17 centres participating in the Italian Group for the Study of Cryoglobulinaemias (GISC). RESULTS: 175 enrolled were followed up for 677 person-years. The associated conditions were primary Sjögren's syndrome (21...
March 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28462710/endothelial-progenitor-cells-as-mediators-of-the-crosstalk-between-vascular-repair-and-immunity-lessons-from-systemic-autoimmune-diseases
#2
Javier Rodríguez-Carrio, Patricia López, Ana Suárez
From the discovery of Endothelial Progenitor Cells (EPC), these bone marrow-derived precursors have been placed as crucial mediators of the endothelial repair. Accordingly, altered levels and function of EPC have been found in different scenarios of CV risk. Despite the fact that EPC exhibit important characteristics which support a link of this cell subset with a number of inflammatory and immune networks, little is known on the actual mediators involved and the clinical relevance of these features. Systemic diseases are generally hallmarked by a vascular repair failure and increased cardiovascular disease occurrence, EPC impairment having a pivotal role...
April 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28416017/patient-complexity-and-genotype-phenotype-correlations-in-biliary-atresia-a-cross-sectional-analysis
#3
Guo Cheng, Patrick Ho-Yu Chung, Edwin Kin-Wai Chan, Man-Ting So, Pak-Chung Sham, Stacey S Cherny, Paul Kwong-Hang Tam, Maria-Mercè Garcia-Barceló
BACKGROUND: Biliary Atresia (BA) is rare and genetically complex, and the pathogenesis is elusive. The disease course is variable and can represent heterogeneity, which hinders effective disease management. Deciphering the BA phenotypic variance is a priority in clinics and can be achieved by the integrative analysis of genotype and phenotype. We aim to explore the BA phenotypic features and to delineate the source of its variance. METHODS: The study is a cross-sectional observational study collating with case/control association analysis...
April 17, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28388869/annals-express-stimulating-tsh-receptor-autoantibodies-immunoassay-analytical-evaluation-and-clinical-performance-in-graves-disease
#4
Chiara Autilio, Renato Morelli, Pietro Locantore, Alfredo Pontecorvi, Cecilia Zuppi, Cinzia Carrozza
BACKGROUND: Thyroid stimulating hormone (TSH) receptor (TSHR) autoantibodies (TRAbs) are a heterogeneous group of antibodies (Abs) with different functionality. Among all TRAbs only the stimulating one (S-TRAbs) are considered the pathogenetic marker of Graves' Disease (GD). To date, the methods available for TRAbs testing are based on immunoassays (IMAs) which detect total serum TRAbs or bioassays which are not suitable in clinical practice, even though they discern Abs functionality...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28303136/expansions-of-cytotoxic-cd4-cd28-t-cells-drive-excess-cardiovascular-mortality-in-rheumatoid-arthritis-and-other-chronic-inflammatory-conditions-and-are-triggered-by-cmv-infection
#5
REVIEW
Iain Broadley, Alejandra Pera, George Morrow, Kevin A Davies, Florian Kern
A large proportion of cardiovascular (CV) pathology results from immune-mediated damage, including systemic inflammation and cellular proliferation, which cause a narrowing of the blood vessels. Expansions of cytotoxic CD4(+) T cells characterized by loss of CD28 ("CD4(+)CD28(-) T cells" or "CD4(+)CD28(null) cells") are closely associated with cardiovascular disease (CVD), in particular coronary artery damage. Direct involvement of these cells in damaging the vasculature has been demonstrated repeatedly. Moreover, CD4(+)CD28(-) T cells are significantly increased in rheumatoid arthritis (RA) and other autoimmune conditions...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28205311/management-of-cardiovascular-risk-factors-in-patients-with-anca-associated-vasculitis
#6
Carsten Paul Bramlage, Juliane Kröplin, Manuel Wallbach, Joan Minguet, Katherine Helen Smith, Stephan Lüders, Joachim Schrader, Susan Patschan, Oliver Gross, Cornelia Deutsch, Peter Bramlage, Gerhard Anton Müller, Michael Koziolek
OBJECTIVES: Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is accompanied by increased cardiovascular (CV) risk. Treatment of AAV patients includes the management of conventional CV risk factors, primarily hypertension and hypercholesterolemia, while lipoprotein(a) (LP(a)) is an emerging potential target. METHODS: We performed a multicenter, retrospective study in Germany. Patients were considered if they were between 18 and 90 years old and presented with AAV...
February 16, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28195542/intraindividual-variation-of-microrna-expression-levels-in-plasma-and-peripheral-blood-mononuclear-cells-and-the-associations-of-these-levels-with-the-pathogenesis-of-autoimmune-thyroid-diseases
#7
Hiroshi Otsu, Mikio Watanabe, Naoya Inoue, Ryota Masutani, Yoshinori Iwatani
BACKGROUND: microRNAs (miRNAs) circulate in the blood and negatively regulate the expression of mRNAs. Some miRNAs are associated with the development of autoimmune thyroid diseases (AITD); however, there are few reports on the association between miRNA expression and the pathogenesis of AITD or the physiological variations of circulating miRNAs, which are important to examine as biomarkers. METHODS: We examined the circadian and day-to-day variations in the expression levels of 5 miRNAs (miR-125a, miR-146a, miR-155, let-7e and miR-106a) in plasma and peripheral blood mononuclear cells (PBMC)...
May 1, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27814748/glucocorticoids-and-endothelial-function-in-inflammatory-diseases-focus-on-rheumatoid-arthritis
#8
REVIEW
Frank Verhoeven, Clément Prati, Katy Maguin-Gaté, Daniel Wendling, Céline Demougeot
Rheumatoid arthritis (RA) is the most common systemic autoimmune disease characterized by articular and extra-articular manifestations involving cardiovascular (CV) diseases. RA increases the CV mortality by up to 50 % compared with the global population and CV disease is the leading cause of death in patients with RA. There is growing evidence that RA favors accelerated atherogenesis secondary to endothelial dysfunction (ED) that occurs early in the course of the disease. ED is a functional and reversible alteration of endothelial cells, leading to a shift of the actions of the endothelium towards reduced vasodilation, proinflammatory state, proliferative and prothrombotic properties...
November 5, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27790717/in-utero-coxsackievirus-b4-infection-of-the-mouse-thymus
#9
H Jaïdane, A Halouani, H Jmii, F Elmastour, S Abdelkefi, G Bodart, H Michaux, T Chakroun, F Sane, M Mokni, V Geenen, D Hober, M Aouni
Type B coxsackievirus (CV-B) infections are involved frequently in the triggering of several autoimmune diseases such as myocarditis, dilated cardiomyopathy, pericarditis, pancreatitis, type 1 diabetes, encephalitis, thyroiditis or Sjögren's syndrome. Serological and virological evidence suggests that maternal infections during pregnancy can play a role in the appearance of these diseases in offspring. The current study aims to explore the effect of an in-utero CV-B infection on the fetal thymus, the central site for programming immunological self-tolerance...
March 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27749234/sj%C3%A3-gren-s-syndrome-managed-care-data-from-a-large-united-states-population-highlight-real-world-health-care-burden-and-lack-of-treatment-options
#10
Julie A Birt, YingMeei Tan, Neelufar Mozaffarian
OBJECTIVES: To better understand the real-world characteristics and costs of Sjögren's syndrome (SS). METHODS: Analysing the MarketScan Commercial Claims database from Jan. 1, 2006 to Dec. 31, 2011, we identified 10,414 patients ≥18 years old newly diagnosed with SS. Patient characteristics, drugs (commonly used for SS), resource utilisation, and medical costs were evaluated for 12 months pre- and post-diagnosis. RESULTS: Mean age was 55 years; 90% were female...
January 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27716458/one-year-in-review-2016-pathogenesis-of-rheumatoid-arthritis
#11
REVIEW
Eleonora Bellucci, Riccardo Terenzi, Giuliana Maria Concetta La Paglia, Stefano Gentileschi, Alessandra Tripoli, Chiara Tani, Alessia Alunno
Rheumatoid arthritis (RA) is an autoimmune disease characterised by chronic synovial inflammation leading to joint destruction and bone erosions. Although the pathogenic mechanisms underlying the disease are not fully elucidated, it is known that genetic susceptibility and environmental factors trigger an abnormal autoimmune response. Potentially, any organ and tissue could be affected by RA and the increased cardiovascular (CV) risk represents the major complication responsible for a worse prognosis. In this setting, the shared pathogenic mechanisms between RA pathogenesis and accelerated atherosclerosis further strengthen the rationale for a treat-to-target strategy with synthetic and biologic disease modifying anti-rheumatic drugs...
September 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27661084/simultaneous-quantification-of-anticardiolipin-igg-and-igm-by-time-resolved-fluoroimmunoassay
#12
Zhigang Hu, Xiaoying Jing, Jie Liu, Mei Li, Yan Ye, Yu Chen
The autoimmune disease antiphospholipid syndrome (APS) is characterized by the presence of anticardiolipin antibodies (aCL), along with anti-β2-glycoprotein I (β2GPI) antibodies and lupus anticoagulant (LA). In this study, we developed a time-resolved fluoroimmunoassay (TRFIA) system for simultaneous quantification of aCL IgG and IgM. A 96-well microtiter plate precoated with the complex of cardiolipin from bovine heart and bovine β2GPI was incubated with the anticardiolipin IgG and IgM standard substance or serum, and the conjugate of Eu3+-labeled anti-human IgG and Sm3+-labeled anti-human IgM was pipetted to the wells to form a tipical double-antibody-sandwich immunoreactions; finally the fluorescent intensity of Eu3+ and Sm3+ was detected to reflect the quantity of anticardiolipin IgG and IgM...
2016: PloS One
https://www.readbyqxmd.com/read/27294159/the-microbiota-determines-susceptibility-to-experimental-autoimmune-uveoretinitis
#13
Jarmila Heissigerova, Petra Seidler Stangova, Aneta Klimova, Petra Svozilkova, Tomas Hrncir, Renata Stepankova, Miloslav Kverka, Helena Tlaskalova-Hogenova, John V Forrester
The microbiota is a crucial modulator of the immune system. Here, we evaluated how its absence or reduction modifies the inflammatory response in the murine model of experimental autoimmune uveoretinitis (EAU). We induced EAU in germ-free (GF) or conventionally housed (CV) mice and in CV mice treated with a combination of broad-spectrum antibiotics either from the day of EAU induction or from one week prior to induction of disease. The severity of the inflammation was assessed by fundus biomicroscopy or by histology, including immunohistology...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27264745/quantification-of-active-infliximab-in-human-serum-with-liquid-chromatography-tandem-mass-spectrometry-using-a-tumor-necrosis-factor-alpha-based-pre-analytical-sample-purification-and-a-stable-isotopic-labeled-infliximab-bio-similar-as-internal-standard-a-target
#14
Mohsin El Amrani, Marcel P H van den Broek, Camiel Göbel, Erik M van Maarseveen
The therapeutic monoclonal antibody Infliximab (IFX) is a widely used drug for the treatment of several inflammatory autoimmune diseases. However, approximately 10% of patients develop anti-infliximab antibodies (ATIs) rendering the treatment ineffective. Early detection of underexposure to unbound IFX would result in a timely switch of therapy which could aid in the treatment of this disease. Streptavidin coated 96 well plates were used to capture biotinylated-tumor necrosis factor -alpha (b-TNF-α), which in turn was used to selectively extract the active form of IFX in human serum...
July 8, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27055157/prevalence-and-the-clinical-outcome-of-atrial-fibrillation-in-patients-with-autoimmune-rheumatic-disease
#15
Yong-Soo Baek, Tae-Hoon Kim, Jae-Sun Uhm, Jong-Yun Kim, Hui-Nam Pak, Moon-Hyoung Lee, Boyoung Joung
BACKGROUND: Systemic inflammation plays an important role in the pathogenesis of atrial fibrillation (AF). However, little evidence exists whether the risk of AF is increased in autoimmune rheumatic disease (ARD). METHODS: In 20,772 consecutive ARD patients (mean age 42±17years, 13,683 female) in a tertiary hospital from 2005 to 2015, AF prevalence, comorbidities and cardiovascular (CV) outcomes were evaluated. RESULTS: AF was observed in 235 (1...
July 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27034774/strategies-and-methods-to-study-female-specific-cardiovascular-health-and-disease-a-guide-for-clinical-scientists
#16
REVIEW
Pamela Ouyang, Nanette K Wenger, Doris Taylor, Janet W Rich-Edwards, Meir Steiner, Leslee J Shaw, Sarah L Berga, Virginia M Miller, Noel Bairey Merz
BACKGROUND: In 2001, the Institute of Medicine's (IOM) report, "Exploring the Biological Contributions to Human Health: Does Sex Matter?" advocated for better understanding of the differences in human diseases between the sexes, with translation of these differences into clinical practice. Sex differences are well documented in the prevalence of cardiovascular (CV) risk factors, the clinical manifestation and incidence of cardiovascular disease (CVD), and the impact of risk factors on outcomes...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/26979271/autoimmune-atherosclerosis-in-3d-how-it-develops-how-to-diagnose-and-what-to-do
#17
REVIEW
Zoltán Szekanecz, György Kerekes, Edit Végh, Zsófia Kardos, Zsuzsa Baráth, László Tamási, Yehuda Shoenfeld
Autoimmune-inflammatory rheumatic diseases, such as rheumatoid arthritis (RA) have been associated with autoimmune atherosclerosis leading to increased cardiovascular risk. Traditional risk factors, genetics, as well as the role of systemic inflammation including inflammatory cells, cytokines, chemokines, proteases, autoantibodies, adhesion receptors and others have been implicated in the development of these vascular pathologies. Cardiovascular risk may be determined by the use of currently available tools...
July 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/26956921/analytical-performance-and-validation-of-a-bioassay-for-thyroid-blocking-antibodies
#18
Tanja Diana, Yunsheng Li, Paul D Olivo, Karl J Lackner, Hannah Kim, Michael Kanitz, George J Kahaly
BACKGROUND AND OBJECTIVE: A cell-based bioassay for the measurement of thyroid blocking autoantibodies (TBAb) has been recently reported. The analytical performance and validation of this bioassay is assessed and described. METHODS: Chinese hamster ovary cells expressing a chimeric thyrotropin receptor were treated with bovine (b) TSH and different concentrations of an immunoglobulin G (IgG) monoclonal human TBAb (K1-70). TBAb was measured as a function of luciferase activity relative to bTSH alone and expressed as percent inhibition...
May 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/26648464/rheumatoid-arthritis-notable-biomarkers-linking-to-chronic-systemic-conditions-and-cancer
#19
REVIEW
Oore-Ofe O Olumuyiwa-Akeredolu, Etheresia Pretorius
Adult rheumatoid arthritis (RA) is an autoimmune disorder affecting joints and frequently characterised by initial local and later systemic inflammation. Researchers have, for many years, traced its cause to diverse genetic, environmental and especially immunological responses that work against the body's own cells and tissues. Investigation into several of these biomarkers reveals interconnections that exist between multiple factors, which ultimately lead to specific pathologies. The goal of this paper is to highlight connections present between the major biological players long identified by researchers including more recently uncovered biomarkers in the RA repertoire and some of the pathophysiologies typically affiliated with the disease...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/26617680/htrf-a-technology-tailored-for-biomarker-determination-novel-analytical-detection-system-suitable-for-detection-of-specific-autoimmune-antibodies-as-biomarkers-in-nanogram-level-in-different-body-fluids
#20
Lukas Einhorn, Kurt Krapfenbauer
BACKGROUND: Classical methods of gene product analysis such as binding assays (e.g., ELISA, protein chip technology) are generally time-consuming, lab-intensive, less sensitive, and lack high-throughput capacity. In addition, all existing methods used to measure proteins necessitate multiple divisions of the original sample and individual tests carried out for each substance, with an associated cost for each test. METHOD: Together with a small biotech company, we developed a new and innovative analytical detection system based on homogenous time-resolved fluorescence (HTRF) technology...
2015: EPMA Journal
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