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Inflammation osteoarthritis

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https://www.readbyqxmd.com/read/27913970/radiological-and-biochemical-effects-ctx-ii-mmp-3-8-and-13-of-low-level-laser-therapy-lllt-in-chronic-osteoarthritis-in-al-kharj-saudi-arabia
#1
Gopal Nambi S, Walid Kamal, Julie George, Elbagir Manssor
Inflammation of synovial membrane and degeneration of articular cartilage in osteoarthritis (OA) lead to major changes in joint space width (JSW) and biochemical components such as collagen-II telopeptide (CTX-II) and matrix metallo protineases (MMP-3, 8, and 13). Low-level laser therapy (LLLT) is thought to have an analgesic effect as well as biomodulatory effect on microcirculation and cartilage regeneration in animal studies. The objective of this study was to examine the analgesic and biochemical effect of LLLT in patients with knee osteoarthritis...
December 3, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27911916/incidence-of-deep-vein-thrombosis-and-venous-thromboembolism-following-tka-in-rheumatoid-arthritis-versus-osteoarthritis-a-meta-analysis
#2
Do-Kyung Lee, Hyun-Jung Kim, Dae-Hee Lee
This meta-analysis was designed to compare the incidence of deep vein thrombosis (DVT) and venous thromboembolism (VTE) following total knee arthroplasty (TKA) in patients with rheumatoid arthritis (RA) and osteoarthritis (OA). All studies directly comparing the post-TKA incidence of DVT and/or VTE in patients with RA and OA were included. For all comparisons, odds ratios and 95% confidence intervals (CI) were calculated for binary outcomes. Six studies were included in the meta-analysis. The pooled data showed that the combined rates of asymptomatic and symptomatic DVT did not differ significantly in the RA and OA groups (1065/222,714 [0...
2016: PloS One
https://www.readbyqxmd.com/read/27908299/the-infrapatellar-fat-pad-induces-inflammatory-and-degradative-effects-in-articular-cells-but-not-through-leptin-or-adiponectin
#3
Jean-Baptiste Gross, Cecile Guillaume, Pascale Gegout-Pottie, Pascal Reboul, Jean-Yves Jouzeau, Didier Mainard, Nathalie Presle
OBJECTIVES: Based on a novel approach suggesting a role of adipose tissue in osteoarthritis (OA), we aimed to determine whether the infrapatellar fat pad (IFP) may affect joint cell functions through adipokines. METHODS: The conditioned media of IFP and subcutaneous adipose tissue from OA patients were used to determine the production of leptin and adiponectin, and to stimulate chondrocytes and fibroblast-like synoviocytes (FLS). Blocking experiments were carried out to evaluate the contribution of adipokines to IFP effects...
November 13, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27906752/recent-developments-in-emerging-therapeutic-targets-of-osteoarthritis
#4
Margaret Man-Ger Sun, Frank Beier, Michael A Pest
PURPOSE OF REVIEW: Despite the tremendous individual suffering and socioeconomic burden caused by osteoarthritis, there are currently no effective disease-modifying treatment options. This is in part because of our incomplete understanding of osteoarthritis disease mechanism. This review summarizes recent developments in therapeutic targets identified from surgical animal models of osteoarthritis that provide novel insight into osteoarthritis pathology and possess potential for progression into preclinical studies...
January 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/27906035/extracellular-vesicles-in-the-pathogenesis-of-rheumatoid-arthritis-and-osteoarthritis
#5
REVIEW
Joseph Withrow, Cameron Murphy, Yutao Liu, Monte Hunter, Sadanand Fulzele, Mark W Hamrick
Osteoarthritis (OA) and rheumatoid arthritis (RA) are both debilitating diseases that cause significant morbidity in the US population. Extracellular vesicles (EVs), including exosomes and microvesicles, are now recognized to play important roles in cell-to-cell communication by transporting various proteins, microRNAs (miRNAs), and mRNAs. EV-derived proteins and miRNAs impact cell viability and cell differentiation, and are likely to play a prominent role in the pathophysiology of both OA and RA. Some of the processes by which these membrane-bound vesicles can alter joint tissue include extracellular matrix degradation, cell-to-cell communication, modulation of inflammation, angiogenesis, and antigen presentation...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27899003/dietary-intake-of-fiber-in-relation-to-knee-pain-trajectories
#6
Zhaoli Dai, Na Lu, Jingbo Niu, David T Felson, Yuqing Zhang
Objective Dietary fiber may reduce knee pain in part by lowering body weight and inflammation. In this study, we assessed whether fiber intake was associated with knee pain development patterns. Methods In a prospective, multicenter cohort of 4,796 men and women aged 45-79 years with or at risk of knee osteoarthritis in Osteoarthritis Initiative, participants were followed up annually for 8 years. Dietary fiber was estimated using a validated food frequency questionnaire at baseline. Group-based trajectory modeling was used to identify WOMAC pain trajectories, which were assessed for the associations with dietary fiber intake using polytomous regression models...
November 29, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/27898694/no-increased-risk-for-primary-osteoarthritis-in-liver-cirrhosis-a-danish-nationwide-cohort-study
#7
Thomas Deleuran, Hendrik Vilstrup, Søren Overgaard, Peter Jepsen
OBJECTIVE: Chronic synovial inflammation causes primary osteoarthritis, but it is unknown whether chronic systemic inflammation does, too. Patients with cirrhosis have chronic systemic inflammation and therefore we examined the association between cirrhosis and primary osteoarthritis of the hip and knee. METHODS: In Danish healthcare databases we identified all residents over 60 years diagnosed with cirrhosis in 1994-2011, and for each of them we sampled five age- and gender-matched reference persons from the general population...
2016: PloS One
https://www.readbyqxmd.com/read/27889689/osteoarthritis-and-type-2-diabetes-mellitus-what-are-the-links
#8
REVIEW
Alice Courties, Jérémie Sellam
Osteoarthritis (OA) is the most frequent joint disorder and one of the leading cause of disability. During a long time, it was considered as the consequence of aging and mechanical stress on cartilage. Recent advances in the knowledge of OA have highlighted that it is a whole joint disease with early modifications of synovium and subchondral bone but also that it is associated with obesity and metabolic syndrome through systemic mechanisms. In the past year, type 2 diabetes has been described in two meta-analyzes as an independent risk factor for OA...
November 5, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/27860244/role-of-protein-arginine-methyltransferase-5-in-inflammation-and-migration-of-fibroblast-like-synoviocytes-in-rheumatoid-arthritis
#9
Dongying Chen, Shan Zeng, Mingcheng Huang, Hanshi Xu, Liuqin Liang, Xiuyan Yang
To probe the role of protein arginine methyltransferase 5 (PRMT5) in regulating inflammation, cell proliferation, migration and invasion of fibroblast-like synoviocytes (FLSs) from patients with rheumatoid arthritis (RA). FLSs were separated from synovial tissues (STs) from patients with RA and osteoarthritis (OA). An inhibitor of PRMT5 (EPZ015666) and short interference RNA (siRNA) against PRMT5 were used to inhibit PRMT5 expression. The standard of protein was measured by Western blot or immunofluorescence...
November 17, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27847407/anti-inflammatory-effects-of-traf-interacting-protein-in-rheumatoid-arthritis-fibroblast-like-synoviocytes
#10
Qing-Zhu Kong, Li-Tao Guo, Jia-Ning Yang, Yan-Fei Wang, Jing-Xin Zhao, Su-Hong Kong, Meng Zhang, Shi Yan, Yu Jin
Rheumatoid arthritis (RA) is a chronic systemic inflammatory disease characterized by inflammatory cell infiltration, synovial inflammation, and cartilage destruction. Proliferative fibroblast-like synoviocytes (FLS) play crucial roles in both propagation of inflammation and joint damage because of their production of great amount of proinflammatory cytokines and proteolytic enzymes. In this study, we investigate the role of TRAF-interacting protein (TRIP) in regulating inflammatory process in RA-FLS. TRIP expression was attenuated in RA-FLS compared with osteoarthritis- (OA-) FLS...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27845876/hypoxia-induced-microrna-146a-represses-bcl-2-through-traf6-irak1-but-not-smad4-to-promote-chondrocyte-autophagy
#11
Guanghui Chen, Xin Gao, Jing Wang, Cheng Yang, Yang Wang, Yonggang Liu, Weiwei Zou, Tielong Liu
It has been showed hypoxia stimulation promotes chondrocytes autophagy partly through HIF-1alpha, miR-146a and Bcl-2 progressively, and this mechanism represented the connection among hypoxia, miR-146a and autophagy, and provides a possible therapeutic strategy for osteoarthritis. However, the interaction between miR-146a and Bcl-2 is still unclear. Here in hypoxia environment, we quantified the three reported miR-146a targets: two inflammation related targets Traf6, IRAK1; and the only reported target in chondrocytes Smad4...
November 15, 2016: Biological Chemistry
https://www.readbyqxmd.com/read/27845712/the-role-of-mirnas-in-common-inflammatory-arthropathies-osteoarthritis-and-gouty-arthritis
#12
REVIEW
Panagiota Papanagnou, Theodora Stivarou, Maria Tsironi
MicroRNAs (miRNAs) are small, non-coding RNA species that are highly evolutionarily conserved, from higher invertebrates to man. Up to 1000 miRNAs have been identified in human cells thus far, where they are key regulators of the expression of numerous targets at the post-transcriptional level. They are implicated in various processes, including cell differentiation, metabolism, and inflammation. An expanding list of miRNAs is known to be involved in the pathogenesis of common, non-autoimmune inflammatory diseases...
November 11, 2016: Biomolecules
https://www.readbyqxmd.com/read/27845067/the-combined-therapy-with-chondroitin-sulfate-plus-glucosamine-sulfate-or-chondroitin-sulfate-plus-glucosamine-hydrochloride-does-not-improve-joint-damage-in-an-experimental-model-of-knee-osteoarthritis-in-rabbits
#13
Jorge A Roman-Blas, Aránzazu Mediero, Lidia Tardío, Sergio Portal-Nuñez, Paula Gratal, Gabriel Herrero-Beaumont, Raquel Largo
Osteoarthritis is the most common chronic joint disorder especially during aging. Although with controversies, glucosamine, both in its forms of sulfate and hydrochloride, and chondroitin sulfate are commonly employed to treat osteoarthritis. Due to the modest improve in the symptoms observed in patients treated with these drugs alone, a formulation combining both agents has been considered. The discrepant results achieved for pain control or structural improvement in osteoarthritis patients has been attributed to the quality of chemical formulations or different bias in clinical studies...
November 12, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27843577/age-affects-joint-space-narrowing-in-patients-with-early-active-rheumatoid-arthritis
#14
X M E Matthijssen, G Akdemir, I M Markusse, T Stijnen, N Riyazi, K H Han, C Bijkerk, P J S M Kerstens, W F Lems, T W J Huizinga, C F Allaart
BACKGROUND: Joint space narrowing (JSN) in rheumatoid arthritis (RA) may be a manifestation of (primary) osteoarthritis becoming more prominent with age. We investigated the severity and predictors of JSN progression among different age groups. METHODS: 10-year follow-up data of the BeSt study, a randomised controlled treat-to-target trial in early RA were used. Annual X-rays of hands and feet were scored using the Sharp/van der Heijde score (SHS). Subgroups were defined by age at baseline: ≥55, ≥40<55 and <40 years...
2016: RMD Open
https://www.readbyqxmd.com/read/27836707/celecoxib-loaded-pea-microspheres-as-an-auto-regulatory-drug-delivery-system-after-intra-articular-injection
#15
Maarten Janssen, Ufuk Tan Timur, Nina Woike, Tim J M Welting, Guy Draaisma, Marion Gijbels, Lodewijk W van Rhijn, George Mihov, Jens Thies, Pieter J Emans
In this study, we investigated the potential of celecoxib-loaded polyester amide (PEA) microspheres as an auto-regulating drug delivery system for the treatment of pain associated with knee osteoarthritis (OA). Celecoxib release from PEA microspheres and inflammation responsive release of a small molecule from PEA was investigated in vitro. Inflammation responsive release of a small molecule from PEA was observed when PEA was exposed to cell lysates obtained from a neutrophil-like Hl-60 cell line. Following a short initial burst release of ~15% of the total drug load in the first days, celecoxib was slowly released throughout a period of >80days...
November 8, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27836676/cross-sectional-and-longitudinal-associations-between-serum-inflammatory-cytokines-and-knee-bone-marrow-lesions-in-patients-with-knee-osteoarthritis
#16
Z Zhu, P Otahal, B Wang, X Jin, L L Laslett, A Wluka, B Antony, W Han, X Wang, T Winzenberg, F Cicuttini, G Jones, C Ding
OBJECTIVE: To describe cross-sectional and longitudinal associations between serum levels of interleukin (IL) - 6, IL-17A, IL-17F, IL-23 and knee bone marrow lesions (BMLs) in patients with knee osteoarthritis (OA). DESIGN: Patients (n = 192) with symptomatic knee OA (mean 63 years, range 50-79, female 53%) were assessed at baseline and after 24 months. At each time point, serum IL-6, IL-17A, IL-17F and IL-23 were measured using Bio-Plex(®) Multiplex Immunoassays with Luminex xMAP technology...
November 9, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27836674/chondroprotective-activity-of-n-acetyl-phenylalanine-glucosamine-derivative-on-knee-joint-structure-and-inflammation-in-a-murine-model-of-osteoarthritis
#17
F Veronesi, G Giavaresi, M Maglio, A Scotto d'Abusco, L Politi, R Scandurra, E Olivotto, B Grigolo, R M Borzì, M Fini
OBJECTIVE: Osteoarthritis (OA), the most common chronic degenerative joint disease, is characterized by joint structure changes and inflammation, both mediated by the IκB kinase (IKK) signalosome complex. The ability of N-acetyl phenylalanine derivative (NAPA) to increase cartilage matrix components and to reduce inflammatory cytokines, inhibiting IKKα kinase activity, has been observed in vitro. The present study aims to further clarify the effect of NAPA in counteracting OA progression, in an in vivo mouse model after destabilization of the medial meniscus (DMM)...
November 9, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27829170/encapsulation-of-nsaids-for-inflammation-management-overview-progress-challenges-and-prospects
#18
REVIEW
Waisudin Badri, Karim Miladi, Qand Agha Nazari, Hélène Greige-Gerges, Hatem Fessi, Abdelhamid Elaissari
Non-steroidal anti-inflammatory drugs (NSAIDs) are among the most widely prescribed drugs. Debilitating diseases such as rheumatoid arthritis and osteoarthritis are commonly managed by NSAIDs. However, NSAIDs pharmacological mechanism is often associated with the presence of gastrointestinal side effects. NSAIDs encapsulation is performed in order to overcome some of the drawbacks linked to their clinical use. To fulfill this purpose, various vectors like polymer-based nanoparticles, liposomes and solid lipid nanoparticles have been proposed...
November 6, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27808445/chemokines-and-inflammation-in-osteoarthritis-insights-from-patients-and-animal-models
#19
REVIEW
Carla R Scanzello
Evidence has been building that the pathologic drive for development of osteoarthritis (OA) involves more than simple mechanical "wear and tear." Inflammatory mechanisms play an important role in the tissue response to joint injury, and are involved in development of post-traumatic OA. Inflammation also appears integral to the progression of OA, whether post-traumatic or spontaneous, contributing to the evolution of joint tissue degradation and remodeling as well as joint pain. Both patient-based studies and in vivo models of disease have shed light on a number of inflammatory pathways and mediators that impact various aspects of this disease, both structurally and symptomatically...
November 3, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27796618/distinct-secretory-activity-and-clinical-impact-of-subcutaneous-abdominal-adipose-tissue-in-women-with-rheumatoid-arthritis-and-osteoarthritis
#20
Ewa Kontny, Agnieszka Zielińska, Urszula Skalska, Krystyna Księżopolska-Orłowska, Piotr Głuszko, Włodzimierz Maśliński
In the general population, low-grade inflammation of adipose tissue accompanies obesity and contributes to cardiovascular disease (CVD) development, but the implication of this tissue in rheumatic disease pathology is unclear. Therefore, we characterized the secretory activity of subcutaneous abdominal adipose tissue (SAAT) of females with rheumatoid arthritis (RA) and osteoarthritis (OA) and searched for its relationship with intensity of systemic inflammation, body composition and comorbidity. The secretion of classical adipokines (leptin, adiponectin), pro- and anti-inflammatory factors, i...
October 28, 2016: Inflammation
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