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Rheumatoid arthritis;synovial

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https://www.readbyqxmd.com/read/29457404/-perioperative-and-drug-management-of-patients-with-rheumatoid-arthritis-treated-with-joint-replacement
#1
REVIEW
Jun Liu, Ping Zhen, Sheng-Hu Zhou, Qi Tian, Hui Chen, Jie Shi, Wei Wang, Xiao-le He, Xu-Sheng Li
Rheumatoid arthritis (RA) is a most common inflammatory joint disease with direct invasion of joint synovial membrane, cartilage and bone. Currently, although the RA mitigation drugs are being improved continously, but these drugs only can delay the development of joint dysfunction. Total hip arthroplasty or total knee arthroplasty(THA or TKA) has become the only choices for patients with advanced RA, and the joint function and deformity of the patients after surgical treatment can be improved to some extent...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29456830/hypoxia-induced-the-upregulation-of-stromal-cell-derived-factor-1-in-fibroblast-like-synoviocytes-contributes-to-migration-of-monocytes-into-synovium-tissue-in-rheumatoid-arthritis
#2
Ru Yang, Yanhua Yao, Panjun Wang
Background: Rheumatoid arthritis (RA) is an auto-immune disease characterized by chronic inflammation of multiple joints. Hypoxia is a constant feature of synovial microenvironment in RA. Fibroblast-like synoviocytes (FLSs), which are potent effector cells in RA. It has been reported that large numbers of monocytes are recruited to the synovium and play an important role in synovial inflammation and tissue destruction in RA. However, the mechanism is still unclear. The aim of this study is to explore the role of hypoxia microenvironment on the recruitment of monocytes and then promote the development of RA...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29443754/multiple-extra-articular-synovial-cysts-accompanied-by-rheumatoid-arthritis-in-the-bilateral-elbow-joints-a-case-report
#3
Jingfeng Zhang, Junli Wang, Xiongwei Mao, Zhengang Li
RATIONALE: Synovial cysts are well known in rheumatoid arthritis (RA), and most common in the popliteal fossa. They may produce lots of local symptoms and complaints, which may present initially as an unrelated clinical condition. Few studies have reported multiple extra-articular synovial cysts (MESCs) in the RA patients. Early diagnosis is crucial for patient treatment. PATIENT CONCERNS: A 50-year-old man without any special clinical histories found a soya bean size bump at the left elbow medially, then multiple lumps were found at bilateral elbows and gradually increasing...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29442025/sinomenine-inhibits-the-inflammatory-responses-of-human-fibroblast-like-synoviocytes-via-the-tlr4-myd88-nf-%C3%AE%C2%BAb-signaling-pathway-in-rheumatoid-arthritis
#4
Ru-Bing Yao, Zhi-Ming Zhao, Ling-Jie Zhao, Hui Cai
Rheumatoid arthritis (RA) is a systemic autoimmune disorder mainly characterized by inflammation of the synovial tissue that can lead to destruction of bone and cartilage. Sinomenine is an alkaloid extracted from the stem of the Chinese medicinal plant Sinomenium acutum. It has been reported that sinomenine has immunosuppressive and anti-inflammatory properties. However, the molecular mechanism underlying the effect of sinominine on IL-1β-induced human RA fibroblast-like synoviocytes (RAFLS) is poorly understood...
June 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441870/p54-nrb-prompts-rheumatoid-arthritis-progression-mainly-by-transcriptionally-activating-nf-%C3%AE%C2%BAb-signaling
#5
Qiang Li, Hongjun Guo, Huihui Li, Qi Zhu, Yang Liu
In various tumors, aberrant expression of P54/nrb has been identified. However, the expression pattern and specific role of P54/nrb in rheumatoid arthritis (RA) has never been explored. Here, we first demonstrated that the expression of P54/nrb was markedly enhanced in the synovial tissues of RA patients. Functional study showed that P54/nrb could enhance the levels of inflammatory factors, including IL-1, IL-2, IL-6, IL-8 and TNFα. More importantly, we first found that overexpression of P54/nrb can induce the protein levels of P65, an important subunit of NF-κB...
May 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29439295/transcriptional-profiling-of-synovial-macrophages-using-minimally-invasive-ultrasound-guided-synovial-biopsies-in-rheumatoid-arthritis
#6
Arthur M Mandelin, Philip J Homan, Alexander M Shaffer, Carla M Cuda, Salina T Dominguez, Emily Bacalao, Mary Carns, Monique Hinchcliff, Jungwha Lee, Kathleen Aren, Anjali Thakrar, Anna B Montgomery, S Louis Bridges, Joan M Bathon, John P Atkinson, David A Fox, Eric L Matteson, Christopher D Buckley, Costantino Pitzalis, Deborah Parks, Laura B Hughes, Laura Geraldino-Pardilla, Robert Ike, Kristine Phillips, Kerry Wright, Andrew Filer, Stephen Kelly, Eric M Ruderman, Vince Morgan, Hiam Abdala-Valencia, Alexander V Misharin, G Scott Budinger, Elizabeth T Bartom, Richard M Pope, Harris Perlman, Deborah R Winter
OBJECTIVE: Currently, there are no reliable biomarkers for predicting therapeutic response in patients with rheumatoid arthritis (RA). The synovium may unlock critical information for determining efficacy as reduction in numbers of sublining synovial macrophages remains the most reproducible biomarker. Thus, a clinically actionable method for collection of synovial tissue, which can be analyzed using high-throughput strategies, must become a reality. METHODS: Rheumatologists at six United States academic sites were trained in minimally invasive ultrasound-guided synovial tissue biopsy...
February 13, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29437586/baseline-ultrasound-examination-as-possible-predictor-of-relapse-in-patients-affected-by-juvenile-idiopathic-arthritis-jia
#7
Orazio De Lucia, Viviana Ravagnani, Francesca Pregnolato, Arvena Hila, Irene Pontikaki, Maurizio Gattinara, Micol Romano, Valeria Gerloni, Sara Pieropan, Antonella Murgo, Maurizio Rossini, Rolando Cimaz, Pier Luigi Meroni
OBJECTIVES: To define the correlation between joint ultrasonography and clinical examination in patients with juvenile idiopathic arthritis (JIA) and to assess whether synovitis detected by ultrasonography in clinically inactive patients predicts arthritis flares. METHODS: 88 consecutive patients with JIA-46 (52%) with persistent oligoarthritis, 15 (17%) with extended oligoarthritis, 15 (17%) with rheumatoid factor-negative polyarthritis and 12 (14%) with other forms of JIA, all clinically inactive for a minimum of 3 months-underwent ultrasound (US) assessment of 44 joints...
February 6, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29434584/tlr3-ligand-poly-i-c-exerts-distinct-actions-in-synovial-fibroblasts-when-delivered-by-extracellular-vesicles
#8
Mojca Frank-Bertoncelj, David S Pisetsky, Christoph Kolling, Beat A Michel, Renate E Gay, Astrid Jüngel, Steffen Gay
Extracellular vesicles (EV) can modulate the responses of cells to toll-like receptor (TLR) ligation; conversely, TLR ligands such as double-stranded RNA (dsRNA) can enhance the release of EV and influence of the composition and functions of EV cargos. Inflamed synovial joints in rheumatoid arthritis (RA) are rich in EV and extracellular RNA; besides, RNA released from necrotic synovial fluid cells can activate the TLR3 signaling in synovial fibroblasts (SFs) from patients with RA. Since EV occur prominently in synovial joints in RA and may contribute to the pathogenesis, we questioned whether EV can interact with dsRNA, a TLR3 ligand, and modify its actions in arthritis...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29433546/a-unique-role-for-galectin-9-in-angiogenesis-and-inflammatory-arthritis
#9
Martin J O'Brien, Qiang Shu, W Alexander Stinson, Pei-Suen Tsou, Jeffrey H Ruth, Takeo Isozaki, Phillip L Campbell, Ray A Ohara, Alisa E Koch, David A Fox, M Asif Amin
BACKGROUND: Galectin-9 (Gal-9) is a mammalian lectin secreted by endothelial cells that is highly expressed in rheumatoid arthritis synovial tissues and synovial fluid. Roles have been proposed for galectins in the regulation of inflammation and angiogenesis. Therefore, we examined the contribution of Gal-9 to angiogenesis and inflammation in arthritis. METHODS: To determine the role of Gal-9 in angiogenesis, we performed human dermal microvascular endothelial cell (HMVEC) chemotaxis, Matrigel tube formation, and mouse Matrigel plug angiogenesis assays...
February 12, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29433534/identification-of-a-novel-autoantibody-against-self-vimentin-specific-in-secondary-sj%C3%A3-gren-s-syndrome
#10
Yu-Hui Li, Ya-Ping Gao, Jie Dong, Lian-Jie Shi, Xiao-Lin Sun, Ru Li, Xue-Wu Zhang, Yu Liu, Li Long, Jing He, Qun-Jie Zhong, Eric Morand, Guang Yang, Zhan-Guo Li
BACKGROUND: Sjögren's syndrome (SS) is a primary autoimmune disease (pSS) or secondarily associated with other autoimmune diseases (sSS). The mechanisms underlying immune dysregulation in this syndrome remain unknown, and clinically it is difficult to diagnose owing to a lack of specific biomarkers. METHODS: We extracted immunoglobulins (Igs) from the sera of patients with sSS associated with rheumatoid arthritis (RA) and used them to screen a phage display library of peptides with random sequences...
February 12, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29433367/experimental-animal-models-for-rheumatoid-arthritis
#11
Narayan Choudhary, Lokesh K Bhatt, Kedar S Prabhavalkar
Rheumatoid Arthritis (RA) is an autoimmune systemic disorder of unknown etiology and is characterized by chronic inflammation and synovial infiltration of immune cells. RA is associated with decreased life expectancy and quality of life. The research on RA is greatly simplified by animal models that help us to investigate the complex system involving inflammation, immunological tolerance and autoimmunity. The animal models of RA with a proven track record of predictability for efficacy in humans include: collagen type II induced arthritis in rats as well as mice, adjuvant induced arthritis in rats and antigen induced arthritis in several species...
February 12, 2018: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/29431121/methotrexate-limits-inflammation-through-an-a20-dependent-cross-tolerance-mechanism
#12
Cristina Municio, Ángeles Dominguez-Soto, Sara Fuentelsaz-Romero, Amalia Lamana, Nuria Montes, Víctor D Cuevas, Raquel García Campos, José L Pablos, Isidoro González-Álvaro, Amaya Puig-Kröger
OBJECTIVES: Methotrexate (MTX) is the anchor drug for treatment of rheumatoid arthritis (RA), but the mechanism of its anti-inflammatory action is not fully understood. In RA, macrophages display a proinflammatory polarisation profile that resembles granulocyte-macrophage colony-stimulating factor (GM-CSF)-differentiated macrophages and the response to MTX is only observed in thymidylate synthase+ GM-CSF-dependent macrophages. To determine the molecular basis for the MTX anti-inflammatory action, we explored toll-like receptor (TLR), RA synovial fluid (RASF) and tumour necrosis factor receptor (TNFR)-initiated signalling in MTX-exposed GM-CSF-primed macrophages...
February 3, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29431119/hypermetabolic-macrophages-in-rheumatoid-arthritis-and-coronary-artery-disease-due-to-glycogen-synthase-kinase-3b-inactivation
#13
Markus Zeisbrich, Rolando E Yanes, Hui Zhang, Ryu Watanabe, Yinyin Li, Lukas Brosig, Jison Hong, Barbara B Wallis, John C Giacomini, Themistocles L Assimes, Jörg J Goronzy, Cornelia M Weyand
OBJECTIVES: Accelerated atherosclerotic disease typically complicates rheumatoid arthritis (RA), leading to premature cardiovascular death. Inflammatory macrophages are key effector cells in both rheumatoid synovitis and the plaques of coronary artery disease (CAD). Whether both diseases share macrophage-dependent pathogenic mechanisms is unknown. METHODS: Patients with RA or CAD (at least one myocardial infarction) and healthy age-matched controls were recruited into the study...
February 3, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29428471/efficacy-of-constant-long-term-delivery-of-ym-58483-for-the-treatment-of-rheumatoid-arthritis
#14
Maya Miyoshi, Shuang Liu, Asuka Morizane, Erika Takemasa, Yashuyuki Suzuki, Takeshi Kiyoi, Kazutaka Maeyama, Masaki Mogi
The aim of this study was to investigate the efficacy and safety of YM-58483, a small molecular antagonist of Ca2+ release-activated Ca2+ (CRAC) channels, for the treatment of rheumatoid arthritis (RA), in vivo and ex vivo. YM-58483 was continuously injected subcutaneously in a collagen-induced arthritis (CIA) mouS.E.M.odel using an implanted osmotic pump. The severity of CIA was evaluated using the following parameters: body weight, hind paw volume, clinical score, histological analysis, cytokine levels, Ca2+ influx, and specific IgG production...
February 8, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29424904/mir-212-3p-reduced-proliferation-and-promoted-apoptosis-of-fibroblast-like-synoviocytes-via-down-regulating-sox5-in-rheumatoid-arthritis
#15
Y Liu, X-L Zhang, X-F Li, Y-C Tang, X Zhao
OBJECTIVE: Several microRNAs have been reported to contribute the progression of rheumatoid arthritis (RA) due to the ectopic expression of miRNAs in fibroblast-like synoviocytes (FLS). However, the function of miR-212-3p in RA still has not been mentioned before. PATIENTS AND METHODS: We obtained serum, synovial tissues, and FLS samples from RA patients and normal donors. Quantitative Real-time polymerase chain reaction (qRT-PCR) was used to analysis the expression level of miR-212-3p...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29424301/novel-therapeutic-approaches-in-rheumatoid-arthritis-role-of-janus-kinases-inhibitors
#16
Felice Rivellese, Antonio Lobasso, Letizia Barbieri, Bianca Liccardo, Amato De Paulis, Francesca Wanda Rossi
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by synovial inflammation and hyperplasia, autoantibody production, cartilage and bone destruction and several systemic features. Cardiovascular, pulmonary, psychological, and muscle involvement are the main comorbidities of RA and are responsible for the severity of the disease and long-term prognosis. Pharmacological treatment of rheumatic diseases has evolved remarkably over the past years. In addition, the widespread adoption of treat to target and tight control strategies has led to a substantial improvement of outcomes, so that drug-free remission is nowadays a realistic goal in the treatment of RA...
February 9, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29422529/a-critical-role-of-e2f-transcription-factor-2-in-proinflammatory-cytokines-dependent-proliferation-and-invasiveness-of-fibroblast-like-synoviocytes-in-rheumatoid-arthritis
#17
Rui Zhang, Lin Wang, Ji-Hong Pan, Jinxiang Han
As a transcription factor, E2F2 participates in regulation of numerous genes. To investigate the role and mechnism of E2F2 in RA, expression of E2F2 in synovial tissue was detected. Proliferation, invasion, and secretion of inflammatory cytokines were measured after E2F2 was knocked-down in RASFs by siRNA transfection. Induction of TNF-α, IL-6, and LPS on expression and nuclear translocation of E2F2, and signal pathways involved in the process were tested. ChIP was used to investigate direct binding of NF-кB to the promoter of E2F2, and E2F2 to the promoter of IL-6...
February 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29422077/adiponectin-aggravates-bone-erosion-by-promoting-osteopontin-production-in-synovial-tissue-of-rheumatoid-arthritis
#18
Jie Qian, Lingxiao Xu, Xiaoxuan Sun, Yani Wang, Wenhua Xuan, Qian Zhang, Pengfei Zhao, Qin Wu, Rui Liu, Nan Che, Fang Wang, Wenfeng Tan, Miaojia Zhang
BACKGROUND: We have previously reported that adiponectin (AD), an adipokine that is secreted by adipocytes, correlates well with progressive bone erosion in rheumatoid arthritis (RA). The exact mechanism of AD in promoting joint destruction remains unclear. Osteopontin (OPN) is required for osteoclast recruitment. We hypothesized that AD exacerbates bone erosion by inducing OPN expression in synovial tissue. This study aimed to evaluate a novel role for AD in RA. METHODS: The serum levels of AD and OPN were determined in 38 patients with RA, 40 patients with osteoarthritis (OA), and 20 healthy controls using enzyme-linked immunosorbent assay (ELISA)...
February 8, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29421221/folate-conjugated-superoxide-dismutase-adsorbed-over-antioxidant-mimicking-nanomatrix-frameworks-for-treatment-of-rheumatoid-arthritis
#19
Shikha Srivastava, Deependra Singh, Manju R Singh
Rheumatoid arthritis (RA) is an autoimmune disease occurring in larger population, characterized by synovial inflammation followed by destruction of joint. Major concerned factor for cause of Rheumatoid arthritis (RA) has been related to oxidative stress due to environmental toxicity and immune imbalance. Reactive oxygen species (ROS) generated from macrophages commune series of oxidation at cellular and genetic level and leads to generation of inflammatory cytokines for provoking inflammation in RA. Superoxide Dismutase (SOD) and catalase (CAT) are supposed to be potential antioxidant enzymes to scavange free radicals...
February 5, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29416136/proteinases-and-their-receptors-in-inflammatory-arthritis-an-overview
#20
REVIEW
Katerina Oikonomopoulou, Eleftherios P Diamandis, Morley D Hollenberg, Vinod Chandran
Proteinases are enzymes with established roles in physiological and pathological processes such as digestion and the homeostasis, destruction and repair of tissues. Over the past few years, the hormone-like properties of circulating proteinases have become increasingly appreciated. Some proteolytic enzymes trigger cell signalling via proteinase-activated receptors, a family of G protein-coupled receptors that have been implicated in inflammation and pain in inflammatory arthritis. Proteinases can also regulate ion flux owing to the cross-sensitization of transient receptor potential cation channel subfamily V members 1 and 4, which are associated with mechanosensing and pain...
February 8, 2018: Nature Reviews. Rheumatology
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