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Inflammation osteoarthritis

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https://www.readbyqxmd.com/read/29131526/amniotic-mesenchymal-stem-cells-mitigate-osteoarthritis-progression-in-a-synovial-macrophage-mediated-in-vitro-explant-co-culture-model
#1
Natasha Topoluk, Kathleen Steckbeck, Sandra Siatkowski, Brian Burnikel, John Tokish, Jeremy Mercuri
Osteoarthritis (OA) is a disease of the synovial joint marked by chronic, low-grade inflammation leading to cartilage destruction. Regenerative medicine strategies for mitigating OA progression and/or promoting cartilage regeneration must be assessed using models that mimic the hallmarks of OA. More specifically, these models should maintain synovial macrophage phenotype in their native micro-environment. Herein, an in vitro co-culture model of patient-matched human OA cartilage and synovium was assessed for viability, macrophage phenotype, and progressive cartilage destruction in the presence of an inflammatory milieu...
November 13, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29129008/high-levels-of-oxidized-fatty-acids-in-hdl-are-associated-with-impaired-hdl-function-in-patients-with-active-rheumatoid-arthritis
#2
Christina Charles-Schoeman, David Meriwether, Yuen Yin Lee, Ani Shahbazian, Srinivasa T Reddy
The objective of this study was to evaluate oxidation products of arachidonic acid and linoleic acid in lipoproteins and synovial fluid (SF) from patients with active rheumatoid arthritis (RA) compared to non-RA controls. High-density lipoproteins (HDL) and low-density lipoproteins (LDL) were isolated from plasma using fast protein liquid chromatography and HDL was isolated from SF using dextran sulfate precipitation. 5-Hydroxyeicosatetraenoic acid (HETE), 12-HETE, 15-HETE, 9 hydroxyoctadecadienoic (HODE), and 13-HODE levels were measured in HDL, LDL, and SF by liquid chromatography-tandem mass spectrometry...
November 11, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29128509/monocyte-activation-is-elevated-in-women-with-knee-osteoarthritis-and-associated-with-inflammation-bmi-and-pain
#3
Dessi Loukov, Sarah Karampatos, Monica R Maly, Dawn M E Bowdish
OBJECTIVE: Monocytes contribute to synovitis and disease pathogenesis in OA. Low-grade inflammation occurs in OA and correlates with disease severity and progression. Since monocyte development and function is altered by systemic inflammation, we analyzed monocyte numbers and function between individuals with knee OA and healthy age- and sex-matched controls. DESIGN: We analyzed markers of soluble and cellular inflammation in peripheral blood of women with knee OA and compared them to healthy age- and sex-matched controls...
November 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29127754/-osteoarthritis-as-part-of-metabolic-syndrome
#4
Karel Pavelka
Osteoarthritis (OA) is the most frequent joint disease, whereas etiopathogenesis of OA is not entirely clarified. It is a heterogeneous disorder and genetic as well as biomechanical, endocrine and inflammatory effects may be involved in its origin. The author examines the problems concerning relationships between the metabolic syndrome and OA, and states that the prevalence of metabolic syndrome in patients with OA is higher than in those without OA (59 % vs 23 %). It remains problematic that one of the main components of metabolic syndrome is obesity which in itself is a risk factor for arthrosis development in the weight-bearing joints, not for OA in the hands...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29126884/hyaluronan-in-experimental-injured-inflamed-cartilage-in-vivo-studies
#5
REVIEW
Angela Avenoso, Angela D'Ascola, Michele Scuruchi, Giuseppe Mandraffino, Alberto Calatroni, Antonino Saitta, Salvatore Campo, Giuseppe M Campo
Joint disease is characterized by an imbalance between the synthesis and degradation of articular cartilage and subchondral bone accompanied by capsular fibrosis, osteophyte formation and varying degrees of inflammation of the synovial membrane. Many animal models have been developed to study arthritis and osteoarthritis that enable experimental conditions, diet and environmental risk factors to be carefully controlled. Animal-based studies have demonstrated the positive effects of exogenous HA on the preservation of joint cartilage in different models of arthritis and osteoarthritis...
November 7, 2017: Life Sciences
https://www.readbyqxmd.com/read/29120570/early-referral-improves-long-term-outcomes-in-rheumatoid-arthritis
#6
Jobie Evans, Andra Negoescu
Rheumatoid arthritis (RA) is a common, chronic systemic inflammatory disease of unclear aetiology leading to synovial hypertrophy and joint inflammation. It typically presents with symmetrical polyarthritis of small joints of the hands or feet, but can also involve larger joints, and have associated extra-articular manifestations. Diagnosis is based on duration of symptoms, joint distribution, level of inflammatory markers and autoantibodies i.e. rheumatoid factor(RhF) and anty-cyclic citrullinated peptide (CCP) antibodies...
May 2017: Practitioner
https://www.readbyqxmd.com/read/29107060/osteoarthritis-biomarkers-year-in-review
#7
REVIEW
F E Watt
OBJECTIVE: To summarise important findings from biomarker studies relevant to osteoarthritis (OA), published between April 2016 and March 2017; to consider these findings in the context of new discoveries and technologies, and clinical and scientific need in OA. DESIGN: Studies were selected by PubMed search, conducted between 01/04/2016 and 01/03/2017. MeSH terms [biomarker] AND [OA] were used; the search was restricted to Human, English language and Full Text Available publications, which yielded 50 eligible publications...
October 26, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29101808/gastrodin-reduces-il-1%C3%AE-induced-apoptosis-inflammation-and-matrix-catabolism-in-osteoarthritis-chondrocytes-and-attenuates-rat-cartilage-degeneration-in-vivo
#8
Jian Chen, Yun-Tao Gu, Jun-Jun Xie, Cong-Cong Wu, Jun Xuan, Wei-Jun Guo, Ying-Zhao Yan, Long Chen, Yao-Sen Wu, Xiao-Lei Zhang, Jian Xiao, Xiang-Yang Wang
Therapeutics for osteoarthritis (OA) are intended to restore chondrocyte function and inhibit cell apoptosis. Previous studies have shown that gastrodin had anti-apoptotic and anti- inflammatory effects. However, little is known about whether gastrodin has protective effects against the processes of OA. We studied the potential effects of gastrodin on chondrocytes and the underlying mechanisms. Our results showed that gastrodin could prevent chondrocyte apoptosis induced by IL-1β. Additionally, gastrodin suppressed the nuclear factor kappa B (NF-κB) pathway, decreased the release of inflammatory mediators (IL-6, TNF-α), and reduced matrix catabolism in IL-1β-treated chondrocytes...
November 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29101675/red-blood-cell-distribution-width-a-potential-laboratory-parameter-for-monitoring-inflammation-in-rheumatoid-arthritis
#9
Yujue He, Can Liu, Zhiyong Zeng, Weilin Ye, Jinpiao Lin, Qishui Ou
Correlation analysis of red blood cell distribution width (RDW) and C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), tumor necrosis factor α (TNF-α), interleukin (IL)-6, and IL-10 in rheumatoid arthritis (RA) to investigate whether RDW can serve as a potential parameter for indicating inflammation in RA patients. A total of 670 RA patients from October 2014 to April 2016 were enrolled in our study. The white blood cell (WBC), red blood cell (RBC), platelet (PLT), hemoglobin (HGB), RDW, CRP, and ESR in peripheral blood of patients with RA were retrospectively analyzed...
November 3, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29101035/surfactant-protein-d-attenuates-nitric-oxide-stimulated-apoptosis-in-rat-chondrocyte-by-suppressing-p38-mapk-signaling
#10
Yan Zhou, Jianghua Ming, Yaming Li, Xianjin Du, Ming Deng, Bin He, Jianlin Zhou, Guirong Wang, Shiqing Liu
Innate immune molecule surfactant protein D (SP-D), a member of the C-type lectin protein family, plays an indispensable role in host defense and the regulation of inflammation in the lung and other tissues. Osteoarthritis (OA) is a degenerative disease of cartilage, with inflammation that causes pathologic changes and tissue damage. However, it is unknown whether there exist SP-D expression and its potential role in the pathogenesis of OA. In this study, we examined SP-D expression and explored its biological function in a sodium nitroprusside (SNP)-stimulated rat chondrocytes and surgically-induced rat OA model...
October 31, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29100502/efficacy-of-nerve-growth-factor-antibody-in-a-knee-osteoarthritis-pain-model-in-mice
#11
Masayuki Miyagi, Tetsuhiro Ishikawa, Hiroto Kamoda, Miyako Suzuki, Gen Inoue, Yoshihiro Sakuma, Yasuhiro Oikawa, Sumihisa Orita, Kentaro Uchida, Kazuhisa Takahashi, Masashi Takaso, Seiji Ohtori
BACKGROUND: Nerve growth factor (NGF) is not only an important factor in nerve growth but also a major contributor to the production of inflammation. It has been reported that inhibiting NGF could reduce several types of pain in several animal models. Here, we aimed to clarify the efficacy of NGF antibody in a knee osteoarthritis (OA) pain model in mice. METHOD: Six-week-old male C57BR/J mice were used (n = 30). Ten mice comprised the control group, which received saline injection into the right knee joints; the other 20 mice comprised the experimental group, which received monoiodoacetate (MIA) injection into the right knee joints...
November 3, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29098574/immune-contributions-to-osteoarthritis
#12
REVIEW
Erika Barboza Prado Lopes, Adrian Filiberti, Syed Ali Husain, Mary Beth Humphrey
PURPOSE OF THE REVIEW: Mounting evidence supports a role of low-grade inflammation in the pathophysiology of osteoarthritis (OA). We review and discuss the role of synovitis, complement activation, cytokines, and immune cell population in OA. RECENT FINDINGS: Using newer imaging modalities, synovitis is found in the majority of knees with OA. Complement activation and pro-inflammatory cytokines play a significant role in the development of cartilage destruction and synovitis...
November 2, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/29098370/biomarkers-of-hand-osteoarthritis
#13
REVIEW
Tereza Lennerová, Karel Pavelka, Ladislav Šenolt
Hand osteoarthritis (OA) is a common degenerative joint disorder leading to substantial pain and disability. The most severe subtype is erosive hand OA characterized by an abrupt onset, local inflammation, subchondral erosions and worse outcomes than non-erosive disease. Biomarkers of hand OA could help to diagnose the disease earlier, to distinguish patients with erosive and non-erosive forms, to assess disease severity or to predict its future progression. The objective of this review was to summarize the role of potential biomarkers of hand OA...
November 2, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29096716/galectin-1-and-galectin-3-expression-in-equine-mesenchymal-stromal-cells-mscs-synovial-fibroblasts-and-chondrocytes-and-the-effect-of-inflammation-on-msc-motility
#14
Heidi L Reesink, Ryan M Sutton, Carolyn R Shurer, Ryan P Peterson, Julie S Tan, Jin Su, Matthew J Paszek, Alan J Nixon
BACKGROUND: Mesenchymal stromal cells (MSCs) can be used intra-articularly to quell inflammation and promote cartilage healing; however, mechanisms by which MSCs mitigate joint disease remain poorly understood. Galectins, a family of β-galactoside binding proteins, regulate inflammation, adhesion and cell migration in diverse cell types. Galectin-1 and galectin-3 are proposed to be important intra-articular modulators of inflammation in both osteoarthritis and rheumatoid arthritis. Here, we asked whether equine bone marrow-derived MSCs (BMSCs) express higher levels of galectin-1 and -3 relative to synovial fibroblasts and chondrocytes and if an inflammatory environment affects BMSC galectin expression and motility...
November 2, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29091874/aqueous-extract-of-codium-fragile-alleviates-osteoarthritis-through-the-mapk-nf-%C3%AE%C2%BAb-pathways-in-il-1%C3%AE-induced-rat-primary-chondrocytes-and-a-rat-osteoarthritis-model
#15
Sung-Min Moon, Seul Ah Lee, Seul Hee Han, Bo-Ram Park, Mi Suk Choi, Jae-Sung Kim, Su-Gwan Kim, Heung-Joong Kim, Hong Sung Chun, Do Kyung Kim, Chun Sung Kim
BACKGROUND: Codium fragile (Suringar) Hariot has been used as a potential remedy in traditional medicine because of its anti-inflammatory and anti-oxidant effects. Osteoarthritis is a chronic progressive joint disease, characterized by complex mechanisms related to inflammation and degeneration of articular cartilage. In this study, we aimed to evaluate the cartilage protective effect of an aqueous extract of Codium fragile (AECF) using rat primary chondrocytes and the osteoarthritis animal model induced by destabilization of the medial meniscus (DMM)...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29074298/variable-cartilage-degradation-in-mice-with-diet-induced-metabolic-dysfunction-food-for-thought
#16
A E Kozijn, L M Gierman, F van der Ham, P Mulder, M C Morrison, S Kühnast, R A van der Heijden, M P Stavro, A van Koppen, E J Pieterman, A M van den Hoek, R Kleemann, H M G Princen, S C Mastbergen, F P J G Lafeber, A-M Zuurmond, I Bobeldijk, H Weinans, R Stoop
OBJECTIVE: Human cohort studies have demonstrated a role for systemic metabolic dysfunction in osteoarthritis (OA) pathogenesis in obese patients. To explore the mechanisms underlying this metabolic phenotype of OA, we examined cartilage degradation in the knees of mice from different genetic backgrounds in which a metabolic phenotype was established by various dietary approaches. DESIGN: Wild-type C57BL/6J mice and genetically modified mice (hCRP, LDLr(-/-). Leiden and ApoE*3Leiden...
October 24, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29074297/hierarchical-imbalanced-pro-inflammatory-cytokine-networks-govern-the-pathogenesis-of-chronic-arthropathies
#17
REVIEW
G Livshits, A Kalinkovich
BACKGROUND: Chronic inflammatory arthropathies, such as rheumatoid arthritis (RA), spondyloarthritis, including psoriatic arthritis (PsA), ankylosing spondyloarthritis (AS), osteoarthritis (OA), and intervertebral disc degenerative disease (DDD) constitute major public health problems that are anticipated to grow significantly as the human population ages. However, many aspects concerning the molecular mechanisms underlying their onset and progression remain unclear. DESIGN: This narrative review critically analyzes the molecular mechanisms underlying the inflammation-associated pathogenesis of the aforementioned joint diseases...
October 24, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29070587/ghrelin-protects-against-osteoarthritis-through-interplay-with-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#18
Ruize Qu, Xiaomin Chen, Wenhan Wang, Cheng Qiu, Miaomiao Ban, Linlin Guo, Krasimir Vasilev, Jianying Chen, Weiwei Li, Yunpeng Zhao
Osteoarthritis (OA) is a common chronic degenerative disease characterized by degeneration in the joints and subsequent destruction of cartilage and bone, yet much remains to be elucidated regarding its molecular mechanism. Ghrelin is a recently discovered neuropeptide with anti-inflammatory actions, but it is unknown whether ghrelin is involved in OA. Human primary chondrocyte and cartilage samples were collected from patients with OA, and the expression pattern of ghrelin was assessed. Human chondrocyte and cartilage samples were stimulated with IL-1β and TNF-α, and exogenous ghrelin-alleviated disorganization of catabolism and anabolism were mediated by IL-1β and TNF-α...
October 25, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29067744/scopoletin-standardized-morinda-elliptica-leaf-extract-suppressed-inflammation-and-cartilage-degradation-to-alleviate-osteoarthritis-a-preclinical-study
#19
Wan Nurfarahin Wan Osman, Seng Fong Lau, Suhaila Mohamed
The effect of scopoletin-standardized Morinda elliptica leaf extract against osteoarthritis was investigated in ex vivo explant culture and preclinical rodent model. Thirty male rats were grouped (n = 6) into untreated osteoarthritis (OA), OA + Diclofenac (5 mg/kg), and OA + extract (200 and 400 mg/kg) and compared with healthy control. Monosodium iodoacetate were injected into the right intra-articular knee joints to induce OA. The rats were evaluated for OA severity via physical (micro-CT and histological observations), biochemical, ELISA, and mRNA expression analysis (for inflammation and cartilage degradation biomarkers), after 28 days of treatment...
October 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29065925/ultrasound-verified-inflammation-and-structural-damage-in-patients-with-hereditary-haemochromatosis-related-arthropathy
#20
Christian Dejaco, Andreas Stadlmayr, Christina Duftner, Viktoria Trimmel, Rusmir Husic, Elisabeth Krones, Shahin Zandieh, Emma Husar-Memmer, Gernot Zollner, Josef Hermann, Judith Gretler, Angelika Lackner, Anja Ficjan, Christian Datz, Roland Axman, Jochen Zwerina
BACKGROUND: Chronic arthropathy occurs in approximately two thirds of patients with hereditary haemochromatosis (HH). The aim was to study inflammatory and structural lesions in patients with HH with (HH-A) and without arthropathy (HH-WA) using ultrasonography. METHODS: This was a cross-sectional study of 26 patients with HH-A, 24 with HH-WA and 37 with hand osteoarthritis (HOA). Clinical examination was performed in 68 joints, and we retrieved data on hand function, pain and global disease activity (all using a visual analogue scale (VAS)), morning stiffness and ferritin levels...
October 24, 2017: Arthritis Research & Therapy
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