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Inflammation osteoarthritis

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https://www.readbyqxmd.com/read/28806392/kaempferol-alleviates-the-interleukin-1%C3%AE-induced-inflammation-in-rat-osteoarthritis-chondrocytes-via-suppression-of-nf-%C3%AE%C2%BAb
#1
Zhengling Zhuang, Guangqun Ye, Bin Huang
BACKGROUND This study was designed to examine the anti-inflammatory and anti-osteoarthritis (OA) effects of kaempferol in rat articular chondrocytes stimulated with interleukin-1β. MATERIAL AND METHODS Rat articular chondrocytes cultures were treated with interleukin-1β alone or with kaempferol (25, 50, 100, and 200 μM) and interleukin-1β. The effect of kaempferol on chondrocyte cells viability was measured by MTT assay. The effect on prostaglandin E2 (PGE2) and nitric oxide (NO) level were also assessed using the ELISA and Griess reagent, respectively, for kaempferol activity...
August 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28803211/melatonin-protects-chondrocytes-from-impairment-induced-by-glucocorticoids-via-nad-dependent-sirt1
#2
Wei Yang, Xiaomin Kang, Na Qin, Feng Li, Xinxin Jin, Zhengmin Ma, Zhuang Qian, Shufang Wu
Intra-articular injection of glucocorticoids is used to relieve pain and inflammation in osteoarthritis patients, which is occasionally accompanied with the serious side effects of glucocorticoids in collagen-producing tissue. Melatonin is the major hormone released from the pineal gland and its beneficial effects on cartilage has been suggested. In the present study, we investigated the protective role of melatonin on matrix degeneration in chondrocytes induced by dexamethasone (Dex). The chondrocytes isolated from mice knee joint were treated with Dex, melatonin, EX527 and siRNA targeted for SIRT6, respectively...
August 9, 2017: Steroids
https://www.readbyqxmd.com/read/28800255/overexpression-of-lymphocyte-activation-gene-3-inhibits-regulatory-t-cell-responses-in-osteoarthritis
#3
Junjie Xia, Zhiming Ni, Jian Wang, Shu Zhu, Hong Ye
Lymphocyte activation gene-3 (LAG-3) is a CD4 homologue expressed on the surface of activated conventional T cells and regulatory T (Treg) cells. In conventional T cells, LAG-3 acts as an inhibitory receptor of T cell inflammation. However, the role of LAG-3 in Treg cells remains controversial. In this study, we investigated the effect of LAG-3 on Tregs in osteoarthritis (OA). We observed that the proportion of LAG-3-expressing cells in CD4(+)CD25(+/high) T cells and Foxp3(+)CD4(+)CD25(+/high) T cells were significantly upregulated in OA patients...
August 11, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28799796/immune-modulation-by-curcumin-the-role-of-interleukin-10
#4
Hamid Mollazadeh, Arrigo F G Cicero, Christopher N Blesso, Matteo Pirro, Muhammed Majeed, Amirhossein Sahebkar
Cytokines are small secreted proteins released by different types of cells with specific effects on cellular signaling and communication via binding to their receptors on the cell surface. IL-10 is known to be a pleiotropic and potent anti-inflammatory and immunosuppressive cytokine that is produced by both innate and adaptive immunity cells including dendritic cells, macrophages, mast cells, natural killer cells, eosinophils, neutrophils, B cells, CD8(+) T cells, and TH1, TH2, and TH17 and regulatory T cells...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28792533/increased-amount-of-phosphorylated-proinflammatory-osteopontin-in-rheumatoid-arthritis-synovia-is-associated-to-decreased-tartrate-resistant-acid-phosphatase-5b-5a-ratio
#5
Jani Luukkonen, Laia Mira Pascual, Christina Patlaka, Pernilla Lång, Sanna Turunen, Jussi Halleen, Tomi Nousiainen, Maarit Valkealahti, Juha Tuukkanen, Göran Andersson, Petri Lehenkari
BACKGROUND: Osteopontin (OPN) is an immunoregulatory protein which production increases in both rheumatoid arthritis (RA) and osteoarthritis (OA). Phosphorylated osteopontin (Phospho-OPN) is known to increase macrophage and osteoclast activation, this process is controlled by extracellular tartrate-resistant acid phosphatase (TRAcP), also a biomarker for RA. Here, we evaluated the phosphorylation status of OPN in RA and OA synovia, as well as its correlation with TRAcP isoforms. METHODS: Synovial tissue and fluid were obtained from 24 RA (14 seropositive and 10 seronegative) and 24 OA patients...
2017: PloS One
https://www.readbyqxmd.com/read/28782470/novel-insights-into-the-pathogenesis-of-osteoarthritis
#6
Matthias Geyer, C Schönfeld
Osteoarthritis represents the most frequently diagnosed condition of the musculoskeletal system and accounts for a high amount of direct and indirect socioeconomic costs worldwide. While for rheumatoid arthritis much progress has been made in the past decades both in understanding its pathogenesis and in creating novel therapies, the pathophysiology of osteoarthritis still holds several secrets to be unraveled in the near future in order to also allow for the development of effective novel pharmacotherapeutical options...
August 7, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28782172/3-sialyllactose-protects-against-osteoarthritic-development-by-facilitating-cartilage-homeostasis
#7
Jimin Jeon, Li-Jung Kang, Kwang Min Lee, Chanmi Cho, Eun Kyung Song, Wook Kim, Tae Joo Park, Siyoung Yang
3'-Sialyllactose has specific physiological functions in a variety of tissues; however, its effects on osteoarthritic development remain unknown. Here, we demonstrated the function of 3'-sialyllactose on osteoarthritic cartilage destruction. In vitro and ex vivo, biochemical and histological analysis demonstrated that 3'-sialyllactose was sufficient to restore the synthesis of Col2a1 and accumulation of sulphated proteoglycan, a critical factor for cartilage regeneration in osteoarthritic development, and blocked the expression of Mmp3, Mmp13 and Cox2 induced by IL-1β, IL-6, IL-17 and TNF-α, which mediates cartilage degradation...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782132/aspirin-and-incident-depressive-symptoms-a-longitudinal-cohort-study-over-8%C3%A2-years
#8
Nicola Veronese, Ai Koyanagi, Brendon Stubbs, Marco Solmi, Michele Fornaro, Brisa F Fernandes, Christoph Muller, Trevor Thompson, André F Carvalho, Stefania Maggi
OBJECTIVE: Aspirin exhibits anti-atherosclerotic and anti-inflammatory properties-two potential risk factors for depression. The relationship between aspirin use and depression, however, remains unclear. We investigated whether the aspirin use is associated with a decreased incidence of depressive symptoms in a large North American cohort. METHODS: Data from the Osteoarthritis Initiative dataset, a multicenter, longitudinal study on community-dwelling adults was analyzed...
August 6, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28781962/inflammation-and-its-resolution-and-the-musculoskeletal-system
#9
Jiri Gallo, Milan Raska, Eva Kriegova, Stuart B Goodman
Inflammation, an essential tissue response to extrinsic/intrinsic damage, is a very dynamic process in terms of complexity and extension of cellular and metabolic involvement. The aim of the inflammatory response is to eliminate the pathogenic initiator with limited collateral damage of the inflamed tissue, followed by a complex tissue repair to the preinflammation phenotype. Persistent inflammation is a major contributor to the pathogenesis of many musculoskeletal diseases including ageing-related pathologies such as osteoporosis, osteoarthritis, and sarcopaenia...
July 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/28769981/human-suprapatellar-fat-pad-derived-mesenchymal-stem-cells-induce-chondrogenesis-and-cartilage-repair-in-a-model-of-severe-osteoarthritis
#10
Ignacio Muñoz-Criado, Jose Meseguer-Ripolles, Maravillas Mellado-López, Ana Alastrue-Agudo, Richard J Griffeth, Jerónimo Forteza-Vila, Ramón Cugat, Montserrat García, Victoria Moreno-Manzano
Cartilage degeneration is associated with degenerative bone and joint processes in severe osteoarthritis (OA). Spontaneous cartilage regeneration is extremely limited. Often the treatment consists of a partial or complete joint implant. Adipose-derived stem cell (ASC) transplantation has been shown to restore degenerated cartilage; however, regenerative differences of ASC would depend on the source of adipose tissue. The infra- and suprapatellar fat pads surrounding the knee offer a potential autologous source of ASC for patients after complete joint substitution...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28768536/a-novel-composite-formulation-of-palmitoylethanolamide-and-quercetin-decreases-inflammation-and-relieves-pain-in-inflammatory-and-osteoarthritic-pain-models
#11
Domenico Britti, Rosalia Crupi, Daniela Impellizzeri, Enrico Gugliandolo, Roberta Fusco, Carlo Schievano, Valeria Maria Morittu, Maurizio Evangelista, Rosanna Di Paola, Salvatore Cuzzocrea
BACKGROUND: Osteoarthritis (OA) is a common progressive joint disease in dogs and cats. The goal of OA treatment is to reduce inflammation, minimize pain, and maintain joint function. Currently, non-steroidal anti-inflammatory drugs (e.g., meloxicam) are the cornerstone of treatment for OA pain, but side effects with long-term use pose important challenges to veterinary practitioners when dealing with OA pain. Palmitoylethanolamide (PEA) is a naturally-occurring fatty acid amide, locally produced on demand by tissues in response to stress...
August 2, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28756278/effects-of-dietary-weight-loss-with-and-without-exercise-on-interstitial-matrix-turnover-and-tissue-inflammation-biomarkers-in-adults-with-knee-osteoarthritis-the-intensive-diet-and-exercise-for-arthritis-trial-idea
#12
R F Loeser, D P Beavers, A C Bay-Jensen, M A Karsdal, B J Nicklas, A Guermazi, D J Hunter, S P Messier
OBJECTIVE: To examine the effects of dietary weight loss, with and without exercise, on selected soluble biomarkers in overweight and obese older adults with symptomatic knee osteoarthritis (OA). DESIGN: Blood samples were analyzed from 429 participants in the Intensive Diet and Exercise for Arthritis (IDEA) trial randomized to either an 18 month exercise control group (E), weight loss diet (D), or D + E. C1M, C2M, C3M and CRPM biomarkers and interleukin-6 (IL-6) were quantitated using ELISAs...
July 27, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28754801/subgroup-analyses-of-the-effectiveness-of-oral-glucosamine-for-knee-and-hip-osteoarthritis-a-systematic-review-and-individual-patient-data-meta-analysis-from-the-oa-trail-bank
#13
Jos Runhaar, Rianne M Rozendaal, Marienke van Middelkoop, Hans J W Bijlsma, Michael Doherty, Krysia S Dziedzic, L Stefan Lohmander, Timothy McAlindon, Weiya Zhang, Sita Bierma Zeinstra
OBJECTIVE: To evaluate the effectiveness of oral glucosamine in subgroups of people with hip or knee osteoarthritis (OA) based on baseline pain severity, body mass index (BMI), sex, structural abnormalities and presence of inflammation using individual patient data. METHODS: After a systematic search of the literature and clinical trial registries, all randomised controlled trials (RCTs) evaluating the effect of any oral glucosamine substance in patients with clinically or radiographically defined hip or knee OA were contacted...
July 28, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28747541/obesity-a-serious-etiologic-factor-for-male-subfertility-in-modern-society
#14
Yue Liu, Zhide Ding
Obesity, defined as excessive accumulation of fat in adipose tissue, is a metabolic disorder resulting from behavioral, environmental and heritable causes. Such malfunction increases the risk of developing hypertension, diabetes, cardiovascular disease, respiratory problems, osteoarthritis and cancer. Meanwhile, the negative impact of obesity on male reproduction is gradually being recognized. According to clinical investigations and animal experiments, obesity is correlated with reductions in sperm concentration and motility, increases in sperm DNA damage and changes in reproductive hormonal levels...
July 26, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28744817/knockdown-of-prmt1-suppresses-il-1%C3%AE-induced-cartilage-degradation-and-inflammatory-responses-in-human-chondrocytes-through-gli1-mediated-hedgehog-signaling-pathway
#15
Lei Xia, Hong-Xing Zhang, Mei-Li Xing, Yu-Ben Xu, Peng Li, Liang-Ku Huang, Jie Bai, Zhao Tian, Zan-Dong Zhao
Osteoarthritis (OA) is characterized by articular cartilage degradation and joint inflammation. The purpose of the present study is to elucidate the role of the specific function of PRMT1 in chondrocytes and its association with the pathophysiology of OA. We observed that the expression of PRMT1 was apparently upregulated in OA cartilage, as well as in chondrocytes stimulated with IL-1β. Additionally, knockdown of PRMT1 suppressed interleukin 1 beta (IL-1β)-induced extracellular matrix (ECM) metabolic imbalance by regulating the expression of MMP-13, ADAMTS-5, COL2A1, and ACAN...
July 25, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28743292/targeted-designed-variants-of-alpha-2-macroglobulin-a2m-attenuate-cartilage-degeneration-in-a-rat-model-of-osteoarthritis-induced-by-anterior-cruciate-ligament-transection
#16
Yang Zhang, Xiaochun Wei, Shawn Browning, Gaetano Scuderi, Lewis S Hanna, Lei Wei
BACKGROUND: The study was performed to evaluate whether targeted alpha-2-macroglobulin (A2M) variants have a similar or enhanced function at wild-type (wt)-A2M to attenuate cartilage degeneration in vivo. METHODS: In and ex-vivo experiment, bovine cartilage explants (BCE) were incubated with TNF-α and IL-1β with or without wt-A2M or A2M variants. Cartilage catabolism was measured in culture supernatant by sulfated glycosaminoglycan (sGAG). In an in-vivo experiment, 2-month-old male Wistar rats (n = 77) were randomly divided into seven groups and treated with different doses of A2M or its variants by intra-articular injection at 24 hours and day 14 after anterior cruciate ligament transection (ACLT), receiving (1) ACLT/PBS; (2) ACLT/wt-A2M (0...
July 25, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28742830/regulatory-effects-of-zinc-on-cadmium-induced-cytotoxicity-in-chronic-inflammation
#17
Paola Bonaventura, Aline Lamboux, Francis Albarède, Pierre Miossec
OBJECTIVES: Zinc (Zn) has major effects on immune system activation while Cadmium (Cd) has anti-inflammatory and anti-proliferative effects in several chronic inflammatory contexts. The aim of this work was to investigate by which mechanisms Zn could compete with Cd and eventually counteract its deleterious effects. Rheumatoid arthritis (RA) synoviocytes exposed to cytokines were used as a model of chronic inflammation; osteoarthritis (OA) synoviocytes were used as control. METHODS: Cell/medium fractionation constants were analyzed for different metals by inductively-coupled-plasma mass-spectrometry by comparison to the 70Zn spike...
2017: PloS One
https://www.readbyqxmd.com/read/28739444/small-molecule-therapeutics-for-inflammation-associated-chronic-musculoskeletal-degenerative-diseases-past-present-and-future
#18
REVIEW
Yangwu Chen, Jiayun Huang, Chenqi Tang, Xiao Chen, Zi Yin, Boon Chin Heng, Weishan Chen, Weiliang Shen
Inflammation-associated chronic musculoskeletal degenerative diseases (ICMDDs) like osteoarthritis and tendinopathy often results in morbidity and disability, with consequent heavy socio-economic burden. Current available therapies such as NSAIDs and glucocorticoid are palliative rather than disease-modifying. Insufficient systematic research data on disease molecular mechanism also makes it difficult to exploit valid therapeutic targets. Small molecules are designed to act on specific signaling pathways and/or mechanisms of cellular physiology and function, and have gradually shown potential for treating ICMDDs...
July 21, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28736908/bmp-7-ameliorates-cobalt-alloy-particle-induced-inflammation-by-suppressing-th17-responses
#19
Fengrong Chen, Ruisong Chen, Haoyuan Liu, Rupeng Sun, Jianming Huang, Zheyuan Huang, Guojian Jian
Metal wear debris has been shown to activate an aseptic osteolytic process that causes failure in total joint arthroplasty (TJA). This osteolysis is characterized by a proinflammatory, self-propagating immune response involving primarily macrophages, dendritic cells, and activated osteoclasts, as well as T cells and B cells. The human bone morphogenic protein (BMP)-7, on the other hand, was shown to promote osteoblast survival, and reversed the downregulation of anabolic Smad proteins and Runx2 following cobalt injury...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28732855/effects-of-thermosensitive-chitosan-gelatin-based-hydrogel-containing-glutathione-on-cisd2-deficient-chondrocytes-under-oxidative-stress
#20
Yung-Hsin Cheng, Eddy Chavez, Kun-Ling Tsai, Kai-Chiang Yang, Wei-Ting Kuo, Yi-Ping Yang, Shih-Hwa Chiou, Feng-Huei Lin
Aging is considered as a primary risk factor in the development of osteoarthritis (OA) which associated with mitochondrial dysfunction and oxidative stress. CDGSH iron sulfur domain 2 (Cisd2) deficiency causes mitochondrial dysfunction and drive premature aging. In the present study, thermosensitive chitosan-gelatin based hydrogel containing glutathione was developed as injectable drug delivery system for administration by minimal invasive surgery for the treatment of OA. Cisd2 deficiency (Cisd2(-/-)) mouse induced pluripotent stem cells-derived chondrocytes were established and characterized...
October 1, 2017: Carbohydrate Polymers
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