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arthritis rheumatoides

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https://www.readbyqxmd.com/read/29934747/associations-between-d3r-expression-in-synovial-mast-cells-and-disease-activity-and-oxidant-status-in-patients-with-rheumatoid-arthritis
#1
Li Xue, Xueyi Li, Qingping Chen, Juntao He, Yanying Dong, Jing Wang, Siyao Shen, Rui Jia, Quan Jin Zang, Ting Zhang, Ming Li, Yan Geng
Dopamine D3 receptor (D3R) on immune cells is involved in the pathogenesis of rheumatoid arthritis (RA). Mast cells (MCs) are currently identified as important effector cells in synovial inflammation of RA, but little is known about the role of D3R on synovial MCs in the pathogenesis of RA. Several inflammatory cells in the synovium induce reactive oxygen species (ROS) formation which are involved in the progression of RA. However, it is unclear whether D3R on synovial MCs is related to the levels of ROS in RA patients...
June 22, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29934373/clinical-and-ultrasound-remission-after-6-months-of-treat-to-target-therapy-in-early-rheumatoid-arthritis-associations-to-future-good-radiographic-and-physical-outcomes
#2
Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Inge Christoffer Olsen, Hilde Berner Hammer, Till Uhlig, Désirée van der Heijde, Tore K Kvien, Siri Lillegraven, Espen A Haavardsholm
OBJECTIVE: To explore associations between remission, based on clinical and ultrasound definitions, and future good radiographic and physical outcome in early rheumatoid arthritis (RA). METHODS: Newly diagnosed patients with RA followed a treat-to-target strategy incorporating ultrasound information in the Aiming for Remission in rheumatoid arthritis: a randomised trial examining the benefit of ultrasound in a Clinical TIght Control regimen (ARCTIC) trial. We defined 6-month remission according to Disease Activity Score, Disease Activity Score in 28 joints-erythrocyte sedimentation rate, American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) Boolean criteria, Simplified Disease Activity Index, Clinical Disease Activity Index and two ultrasound definitions (no power Doppler signal, grey scale score ≤2)...
June 22, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29933327/mobile-apps-for-individuals-with-rheumatoid-arthritis-a-systematic-review
#3
Dee Luo, Penny Wang, Fengxin Lu, Josephine Elias, Jeffrey A Sparks, Yvonne C Lee
BACKGROUND: Mobile health applications (apps) have the potential to help individuals with chronic illnesses learn about, monitor, and manage their condition, but these apps are largely unexamined, with the state and direction of development unclear. OBJECTIVE: We performed a systematic review of publicly available apps, directed toward individuals with rheumatoid arthritis (RA); described their current features; and determined areas of unmet need. METHODS: We searched the iTunes and Google Play App Stores for the term "arthritis" and reviewed the descriptions of these apps for specific mentions of RA...
June 21, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29932968/time-trends-in-the-prevalence-of-cancer-and-non-cancer-diseases-among-older-u-s-adults-medicare-based-analysis
#4
Igor Akushevich, Julia Kravchenko, Arseniy P Yashkin, Anatoliy I Yashin
Longer lifespan is accompanied by a larger number of chronic diseases among older adults. Because of a growing proportion of older adults in the U.S., this brings the problem of age-related morbidity to the forefront as a major contributor to rising medical expenditures. We evaluated 15-year time trends (from 1998 to 2013) in the prevalence of 48 acute and chronic non-cancer diseases and cancers in older U.S. adults aged 65+ and estimated the annual percentage changes of these prevalence trends using SEER-Medicare and HRS-Medicare data...
June 19, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29932925/integrin-alpha9-subunit-blockade-suppresses-collagen-induced-arthritis-with-minimal-systemic-immunomodulation
#5
Shingo Sugahara, Kaori Hanaoka, Nobuchika Yamamoto
Integrin, alpha9 subunit (hereinafter, alpha9) has been identified as a novel putative therapeutic target for rheumatoid arthritis (RA). Support for this target comes from the observations that alpha9 is overexpressed both in the joints of RA patients and in animal models of arthritis. In the experimental models, the increase in alpha9 expression precedes the onset of arthritic symptoms. The current study presents data on the pharmacological profile of an anti-alpha9 antibody in a collagen-induced arthritis (CIA) mouse model...
June 19, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29932372/fibrin-patch-influences-the-expression-of-hypoxia-inducible-factor-1%C3%AE-and-nuclear-factor-%C3%AE%C2%BAbp65-factors-on-ischemic-intestinal-anastomosis
#6
Carlos García-Vásquez, María J Fernández-Aceñero, Soledad García Gómez-Heras, Carlos Pastor
The intestinal anastomotic failure is one of the most severe complications in gastrointestinal surgery. Despite the great surgical improvements during the last decade, anastomotic leak rates remain practically the same, with a dramatically high grade of morbidity for patients. Leakages are usually the final consequence of ischemia in the anastomosis, leading to tissue hypoxia. In response to hypoxia, the cell orchestrates a variety of coordinated responses in order to restore oxygen homeostasis. The molecular mechanism of hypoxia sensitivity involves oxygen sensing hydroxylases, prolyl-hydroxylases, orchestrating two main transcription factors related to induction of inflammation and angiogenesis, namely nuclear factor-κB and hypoxia-inducible factors...
June 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29932210/follistatin-like-protein-1-induction-of-matrix-metalloproteinase-1-3-and-13-gene-expression-in-rheumatoid-arthritis-synoviocytes-requires-mapk-jak-stat3-and-nf-%C3%AE%C2%BAb-pathways
#7
Su Ni, Chenkai Li, Nanwei Xu, Xi Liu, Wei Wang, Wenyang Chen, Yuji Wang, Andre J van Wijnen
Elevated levels of follistatin-like protein 1 (FSTL1) have been found both in mouse models for human rheumatoid arthritis (RA) and collagen-induced arthritis (CIA). In this study, we elucidated the potential mechanisms by which FSTL1 contributes to the pathogenesis of RA. Fibroblast-like synoviocytes (FLSs) were established from synovial tissues of RA patients and stimulated with human recombinant FSTL1. Protein and mRNA expression levels of select matrix metalloproteinases (i.e., MMP1, MMP3, MMP13) in FLS were measured by, respectively, real-time RT-qPCR and ELISA...
June 22, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29931592/sarilumab-a-review-in-moderate-to-severe-rheumatoid-arthritis
#8
Yvette N Lamb, Emma D Deeks
Sarilumab (Kevzara® ), a monoclonal antibody against the interleukin-6 (IL-6) receptor, is approved in various countries, including the USA, those of the EU, and Japan, as a subcutaneous treatment administered every 2 weeks for moderately to severely active rheumatoid arthritis (RA) in adults who have responded inadequately to, or are intolerant of, one or more DMARDs. In placebo-controlled trials, sarilumab improved the signs and symptoms of RA, as well as physical function and health-related quality-of-life (HR-QOL), when administered in combination with conventional synthetic DMARD (csDMARD) therapy in patients with an inadequate response to methotrexate or an inadequate response to, or intolerance of, at least one tumour necrosis factor (TNF) inhibitor; benefits were sustained over ≤ 3 years' therapy in an open-label extension...
June 2018: Drugs
https://www.readbyqxmd.com/read/29930884/abatacept-as-a-therapeutic-option-for-rheumatoid-vasculitis
#9
Layth Al Attar, Timothy Shaver
Abatacept is a fusion protein composed of the fragment crystallizable region (Fc region) of the immunoglobulin IgG1 fused to the extracellular domain of cytotoxic T-lymphocyte-associated protein 4. Our patient presented with lower extremity purpura in the setting of rheumatoid arthritis and common variable immunodeficiency disease. A biopsy of cutaneous lesions confirmed the etiology of rheumatoid vasculitis. Although rituximab is the recommended treatment, it has the potential to exacerbate immunodeficiency...
April 19, 2018: Curēus
https://www.readbyqxmd.com/read/29930806/synovial-fluid-uric-acid-level-aids-diagnosis-of-gout
#10
Binit Vaidya, Manisha Bhochhibhoya, Shweta Nakarmi
Examination of urate crystal in synovial fluid (SF) remains the gold standard for diagnosis of gout, but is not universally available. SF uric acid (UA) level may be measured by the uricase method with an automated analyzer. The present study aimed to evaluate the utility of SF to serum UA ratio (SSR) for diagnosis of gout. A cross-sectional study was conducted at the National Center for Rheumatic Diseases, Nepal. Patients presenting with acute (<1 day) joint pain and/or swelling were included. Aspiration was performed in all patients and fluid was subjected to testing for urate level, pH and cell counts and microscopy...
July 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29930803/stevens-johnsons-syndrome-or-drug-induced-lupus-a-clinical-dilemma-a-case-report-and-review-of-the-literature
#11
Violeta Claudia Bojinca, Mihai Bojinca, Madalina Gheorghe, Adelina Birceanu, Cristina Ileana Iosif, Serban Mihai Balanescu, Andra Rodica Balanescu
Tumor necrosis factor inhibitors are the first biological agents used in the treatment of rheumatoid arthritis (RA) to have yielded satisfactory results in terms of clinical improvement and radiologic progression, but they are also associated with the possibility of occurrence of a number of autoimmune systemic events [drug-induced lupus (DIL), vasculitis, sarcoidosis] and localized adverse events [uveitis, psoriasis, interstitial lung disease, erythema multiforme including the major form Stevens-Johnson syndrome (SJS)]...
July 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29930301/the-role-of-neutrophil-extracellular-traps-in-rheumatic-diseases
#12
REVIEW
Falko Apel, Arturo Zychlinsky, Elaine F Kenny
Rheumatic diseases are a collection of disorders defined by the presence of inflammation and destruction of joints and internal organs. A common feature of these diseases is the presence of autoantibodies targeting molecules commonly expressed in neutrophils. These preformed mediators are released by neutrophils but not by other immune cells such as macrophages. Neutrophils, major players in the host innate immune response, initiate a cell death mechanism termed neutrophil extracellular trap (NET) formation as a way to ensnare pathogens...
June 21, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29929518/obliterative-bronchiolitis-associated-with-rheumatoid-arthritis-analysis-of-a-single-center-case-series
#13
Erica Lin, Andrew H Limper, Teng Moua
BACKGROUND: Rheumatoid arthritis (RA) is a systemic autoimmune condition characterized by erosive inflammation of the joints. One rare pulmonary manifestation is obliterative bronchiolitis (OB), a small airways disease characterized by the destruction of bronchiolar epithelium and airflow obstruction. METHODS: We retrospectively reviewed the clinical data of patients with rheumatoid arthritis-associated obliterative bronchiolitis (RA-OB) from 01/01/2000 to 12/31/2015...
June 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29929166/effect-of-magnetic-nanoparticles-size-on-rheumatoid-arthritis-targeting-and-photothermal-therapy
#14
Shengchang Zhang, Lin Wu, Jin Cao, Kaili Wang, Yanru Ge, Wanjun Ma, Xueyong Qi, Song Shen
Nanoparticles based multifunctional system exhibits great potential in diagnosis and therapy of rheumatoid arthritis (RA). The size of nanoparticles plays an essential role in biodistribution and cellular uptake, in turn affects the drug delivery efficiency and therapeutic effect. To investigate the optimal size for RA targeting, Fe3 O4 nanoparticles with well-defined particle sizes (70-350 nm) and identical surface properties were developed as model nanoparticles. The synthesized Fe3 O4 nanoparticles exhibited excellent biocompatibility and showed higher temperature response under irradiation of near infrared light...
June 13, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29929117/psychiatric-comorbidity-increases-mortality-in-immune-mediated-inflammatory-diseases
#15
Ruth Ann Marrie, Randy Walld, James M Bolton, Jitender Sareen, Scott B Patten, Alexander Singer, Lisa M Lix, Carol A Hitchon, Renée El-Gabalawy, Alan Katz, John D Fisk, Charles N Bernstein
OBJECTIVE: We determined the association between any common mental disorder (CMD: depression, anxiety disorder, bipolar disorder) and mortality and suicide in three immune-mediated inflammatory diseases (IMID), inflammatory bowel disease (IBD), multiple sclerosis (MS) and rheumatoid arthritis (RA), versus age-, sex- and geographically-matched controls. METHODS: Using administrative data, we identified 28,384 IMID cases (IBD: 8695; MS: 5496; RA: 14,503) and 141,672 matched controls...
June 7, 2018: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29928978/dual-functional-lipid-polymeric-hybrid-ph-responsive-nanoparticles-decorated-with-cell-penetrating-peptide-and-folate-for-therapy-against-rheumatoid-arthritis
#16
Jinlong Zhao, Xueyan Zhang, Xiangshi Sun, Menghui Zhao, Changhui Yu, Robert J Lee, Fengying Sun, Yulin Zhou, Youxin Li, Lesheng Teng
Methotrexate (MTX), as a disease modifying antirheumatic drug (DMARD), was first line drug to treat rheumatoid arthritis. However, the severe side effect during long term and high dosage usage limit its application. The aim of this study was to develop dual-functional lipid polymeric hybrid pH-responsive nanoparticles to deliver MTX to inflamed joints selectively. The designed MTX loaded stearic acid-octa-arginine and folic acid decorated poly lactic-co-glycolic acid (PLGA) -PK3-based lipid polymeric hybrid nanoparticles (Sta-R8-FA-PPLPNs/MTX) were composed of PK3, Folate-PEG-PLGA, egg PC, and Sta-R8...
June 18, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29928274/sialylated-autoantigen-reactive-igg-antibodies-attenuate-disease-development-in-autoimmune-mouse-models-of-lupus-nephritis-and-rheumatoid-arthritis
#17
Yannic C Bartsch, Johann Rahmöller, Maria M M Mertes, Susanne Eiglmeier, Felix K M Lorenz, Alexander D Stoehr, Dominique Braumann, Alexandra K Lorenz, André Winkler, Gina-Maria Lilienthal, Janina Petry, Juliane Hobusch, Moritz Steinhaus, Constanze Hess, Vivien Holecska, Carolin T Schoen, Carolin M Oefner, Alexei Leliavski, Véronique Blanchard, Marc Ehlers
Pro- and anti-inflammatory effector functions of IgG antibodies (Abs) depend on their subclass and Fc glycosylation pattern. Accumulation of non-galactosylated (agalactosylated; G0) IgG Abs in the serum of rheumatoid arthritis and systemic lupus erythematosus (SLE) patients reflects severity of the diseases. In contrast, sialylated IgG Abs are responsible for anti-inflammatory effects of the intravenous immunoglobulin (pooled human serum IgG from healthy donors), administered in high doses (2 g/kg) to treat autoimmune patients...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29928272/comparison-of-serological-biomarkers-in-rheumatoid-arthritis-and-their-combination-to-improve-diagnostic-performance
#18
Laura Martinez-Prat, Michael J Nissen, Céline Lamacchia, Chelsea Bentow, Laura Cesana, Pascale Roux-Lombard, Cem Gabay, Michael Mahler
Introduction: The diagnosis of rheumatoid arthritis (RA) is based on a combined approach that includes serological markers such as rheumatoid factor (RF) and anti-citrullinated peptide/protein antibodies (ACPA). The goal of this study was to evaluate the clinical performance of several RF and ACPA immunoassays for the diagnosis of RA, as well as the diagnostic value of a combinatory approach with these markers. Methods: The study cohort included 1,655 patients from the Swiss Clinical Quality Management registry with sera from 968 patients with RA and 687 disease controls, including patients with axial spondyloarthritis ( n  = 450) and psoriatic arthritis ( n  = 237)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29928007/a-cytokine-protein-protein-interaction-network-for-identifying-key-molecules-in-rheumatoid-arthritis
#19
Venugopal Panga, Srivatsan Raghunathan
Rheumatoid arthritis (RA) is a chronic inflammatory disease of the synovial joints. Though the current RA therapeutics such as disease-modifying antirheumatic drugs (DMARDs), nonsteroidal anti-inflammatory drugs (NSAIDs) and biologics can halt the progression of the disease, none of these would either dramatically reduce or cure RA. So, the identification of potential therapeutic targets and new therapies for RA are active areas of research. Several studies have discovered the involvement of cytokines in the pathogenesis of this disease...
2018: PloS One
https://www.readbyqxmd.com/read/29927820/acetyl-11-keto-%C3%AE-boswellic-acid-promotes-osteoblast-differentiation-by-inhibiting-tumor-necrosis-factor-%C3%AE-and-nuclear-factor-%C3%AE%C2%BAb-activity
#20
Fan Bai, Xuewu Chen, Hui Yang, Hong-Guang Xu
Tumor necrosis factor (TNF) -α plays a crucial role in rheumatoid arthritis (RA)-related bone loss disease. The main mechanism of action of RA induced bone loss is the significant inhibitory effect of TNF-α on osteoblast differentiation. TNF-α inhibits osteoblast differentiation mainly by activating nuclear factor (NF) -κB signaling pathway. Owing to the crucial role of TNF-α and NF-κB in the inhibition of osteoblast differentiation, they are considered as targets for the development of therapeutic drugs...
June 20, 2018: Journal of Craniofacial Surgery
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