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https://www.readbyqxmd.com/read/28647559/mirna-146a-mirna-155-and-jnk-expression-levels-in-peripheral-blood-mononuclear-cells-according-to-grade-of-knee-osteoarthritis
#1
Ahu Soyocak, Hulyam Kurt, Merih Ozgen, Didem Turgut Cosan, Ertugrul Colak, Hasan Veysi Gunes
Osteoarthritis (OA) is the most common joint disease characterized by joint pain and a progressive loss of articular cartilage. OA known as a non-inflammatory disease. Despite this the recent studies are shown synovitis and low inflammation to have a role in OA pathophysiology. The aim of this study to determine the roles of a potential therapeutic targets miRNA-146a, miRNA-155 and JNK expression levels in OA patients. Peripheral mononuclear blood cells (PBMCs) were extracted from OA patients and healthy subjects...
June 21, 2017: Gene
https://www.readbyqxmd.com/read/28647469/intra-articular-injection-of-microrna-140-alleviates-osteoarthritis-progression-by-modulating-extracellular-matrix-homeostasis-in-rats
#2
Hai-Bo Si, Yi Zeng, Shu-Yun Liu, Zong-Ke Zhou, You-Nan Chen, Jing-Qiu Cheng, Yan-Rong Lu, Bin Shen
OBJECTIVE: Disruptions of extracellular matrix (ECM) homeostasis are key events in the pathogenesis of osteoarthritis (OA). MicroRNA-140 (miRNA-140) is expressed specifically in cartilage and regulates ECM-degrading enzymes. Our objective in this study was to determine if intra-articular injection of miRNA-140 can attenuate OA progression in rats. DESIGN: miRNA-140 levels in human normal and OA cartilage derived chondrocytes and synovial fluid were assessed by polymerase chain reaction (PCR)...
June 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28647467/reliability-and-measurement-error-of-the-osteoarthritis-research-society-international-recommended-performance-based-tests-of-physical-function-in-people-with-hip-and-knee-osteoarthritis
#3
Fiona Dobson, Rana S Hinman, Michelle Hall, Charlotte J Marshall, Tim Sayer, Clinton Anderson, Nicolas Newcomb, Paul W Stratford, Kim L Bennell
OBJECTIVE: To estimate the reliability and measurement error of performance-based tests of physical function recommended by the Osteoarthritis Research Society International in people with hip and/or knee osteoarthritis. DESIGN: Prospective repeated measures between independent raters within a session and within-rater over a week interval. Relative reliability was estimated for 51 people with hip and/or knee osteoarthritis (mean age 64.5 years, SD 6.21 years; 47% females; 36 (70%) primary knee OA) on the 30s Chair Stand Test (30sCST), 40m Fast Paced Walk Test (40mFPWT), 11-Stair Climb Test (11-step SCT), Timed Up and Go (TUG), Six Minute Walk Test (6MWT), 10m Fast Paced Walk Test (10mFPWT) and 20s Stair Climb Test (20sSCT) using intra-class correlation coefficients (ICC)...
June 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28647370/oleanolic-acid-prevents-cartilage-degeneration-in-diabetic-mice-via-ppar%C3%AE-associated-mitochondrial-stabilization
#4
Xia Kang, Zhikui Yang, Jun Sheng, Jin-Biao Liu, Qing-Yun Xie, Wei Zheng, Ken Chen
Hyperglycemia-induced cartilage degeneration induces osteoarthritis (OA). Since oleanolic acid (OLA) have several pharmacological effects such as anti-inflammatory, anti-oxidant, we hypothesized it possesses protection against high glucose injured cartilage. We now report that OLA decreased type X collagen and reversed the cartilage degeneration in growth plate from db/db mice. OLA increased type Ⅱ collagen expression in a concentration-dependent manner (10-50 μΜ) in high glucose-treated chondrocytes. OLA prevented the high glucose induced cell injury and decreased the level of MMP-13, PGE2 and IL-6 due to decreasing mitochondrial membrane potential and stimulated the ATP production...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28646803/effects-of-balneotherapy-on-serum-levels-of-shingosine-1-phosphate-in-patients-with-osteoarthritis
#5
Esra Aycan Ustyol, Fatih Karaarslan, Seldag Bekpinar, Kagan Ozkuk, Nergis Erdogan
Context • Balneotherapy is one of the most commonly used nonpharmacological interventions for osteoarthritis (OA), but its mechanism of action in relieving pain and stiffness and in improving physical function is not well understood. Studies have found that therapy provokes a series of neuroendocrinal reactions with anti-inflammatory and analgesic effects. Sphingosine-1-phosphate (S1P), a bioactive lipid, has been implicated as an important mediator in the maintenance of physiological processes (eg, vascular barrier integrity) and in pathophysiologic processes such as inflammatory conditions...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28645668/titration-technique-using-endoscopy-for-an-oral-appliance-treatment-of-obstructive-sleep-apnea
#6
Kentaro Okuno, Kazuki Ikai, Erika Matsumura-Ai, Takafumi Araie
The degree of mandibular protrusion for an oral appliance (OA) should be customized for each patient with obstructive sleep apnea (OSA). This article describes the mandibular titration technique for OAs to effectively treat OSA by using endoscopy to evaluate the change in the airway at the velopharynx. This technique may minimize the degree of mandible protrusion and contribute to both the efficacy of and compliance with OA therapy.
June 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28644906/cholinesterases-in-normal-and-alzheimer-s-disease-primary-olfactory-gyrus
#7
Hayam Hamodat, Meghan K Cash, John D Fisk, Sultan Darvesh
AIMS: Alzheimer's disease (AD) is characterized by cholinergic dysfunction and deposition of β-amyloid (Aβ) plaques and tau neurofibrillary tangles (NFTs) in the brain. Olfactory abnormalities often precede cognitive symptoms in AD, indicating early involvement of pathology in olfactory structures. The cholinergic system is important not only in cognition but also in modulation of the olfactory system. The primary olfactory gyrus (POG) is comprised of the olfactory tract, anterior olfactory nucleus (AON) and olfactory area (OA)...
June 23, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28644130/mmp-3-gene-polymorphisms-are-associated-with-increased-risk-of-osteoarthritis-in-chinese-men
#8
Wen Guo, Pengcheng Xu, Tianbo Jin, Jihong Wang, Dongsheng Fan, Zengtao Hao, Yuntao Ji, Shangfei Jing, Chaoqian Han, Jieli Du, Dong Jiang, Shuzheng Wen, Jianzhong Wang
Osteoarthritis (OA) is the most common late-onset degenerative joint disease., It is characterized by progressive degradation of articular cartilage. We investigated the association between OA occurrence and single nucleotide polymorphisms (SNPs) in the matrix metalloproteinase-3 (MMP-3)gene involved in the breakdown of extra-cellular matrix proteins. The study included 100 male OA patients and 197 healthy men from the north area of China. Eight MMP-3 SNPs were genotyped. Odds ratios (ORs) with 95% confidence intervals (95%CIs) and multivariate logistic regression analysis were used to assess the association...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643466/anemonin-attenuates-osteoarthritis-progression-through-inhibiting-the-activation-of-il-1%C3%AE-nf-%C3%AE%C2%BAb-pathway
#9
Zuqiang Wang, Junlan Huang, Siru Zhou, Fengtao Luo, Wei Xu, Quan Wang, Qiaoyan Tan, Liang Chen, Jun Wang, Hangang Chen, Lin Chen, Yangli Xie, Xiaolan Du
The osteoarthritis (OA) progression is now considered to be related to inflammation. Anemonin (ANE) is a small natural molecule extracted from various kinds of Chinese traditional herbs and has been shown to inhibiting inflammation response. In this study, we examined whether ANE could attenuate the progression of OA via suppression of IL-1β/NF-κB pathway activation. Destabilization of the medial meniscus (DMM) was performed in 10-week-old male C57BL/6J mice. ANE was then intra-articularly injected into joint capsule for 8 and 12 weeks...
June 23, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28642968/enhancing-the-enzymatic-saccharification-of-bamboo-shoot-shell-by-sequential-biological-pretreatment-with-galactomyces-sp-cczu11-1-and-deep-eutectic-solvent-extraction
#10
Yong Dai, Hai-Sheng Zhang, Bin Huan, Yucai He
In this study, sequential biological pretreatment (BP) with Galactomyces sp. CCZU11-1 at 30 °C for 3 days and deep eutectic solvent (DES) choline chloride: oxalic acid (ChCl:OA, 1 mol/2 mol) extraction at 120 °C for 1.5 h was used for pretreating BSS. It was found that combination pretreatment could effectively remove xylan and lignin for enhancing enzymatic saccharification. The reducing sugars and glucose from the hydrolysis of 100 g/L pretreated BSS with complexed cellulases of Galactomyces sp. CCZU11-1 were obtained in the yields of 81...
June 22, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28642544/resistin-promotes-the-abnormal-type-i-collagen-phenotype-of-subchondral-bone-in-obese-patients-with-end-stage-hip-osteoarthritis
#11
Ashleigh M Philp, Rebecca L Collier, Liam M Grover, Edward T Davis, Simon W Jones
The purpose of this study was to determine the effect of adiposity on the architecture and composition of hip OA subchondral bone, and to examine the pathological role of adipokines. Femoral heads were collected from normal-weight or over-weight/obese patients with hip OA. Structural parameters of subchondral bone were determined by MicroCT and type I collagen α1/α2 ratio was determined by SDS PAGE and by qRT-PCR in ex-vivo bone explants. The serum concentration of adipokines was determined by Luminex. The effect of resistin on primary OA osteoblasts was determined by analysis of Wnt pathway signal transduction, bone nodule formation, and osteoblast metabolic activity...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642243/anti-inflammatory-and-anti-osteoarthritis-effects-of-tectorigenin
#12
Cheng-Long Wang, De Li, Chuan-Dong Wang, Fei Xiao, Jun-Feng Zhu, Chao Shen, Bin Zuo, Yi-Min Cui, Hui Wang, Yuan Gao, Guo-Li Hu, Xiao-Ling Zhang, Xiao-Dong Chen
Osteoarthritis (OA) is a common and dynamic joint disease, including the articular cartilage, underlying bones, and synovium. In particular, OA is considered as the degeneration of the cartilage. Tectorigenin (Tec) can affect many biological processes. However, its effect on articular chondrocytes remains unclear. This study aimed to assess the role of Tec in articular cartilage. In vitro, Tec inhibited the expression levels of type X collagen, cyclooxigenase-2, matrix metalloproteinase (MMP)-3, and MMP-13 gene but enhanced those of Runx1, type II collagen, and aggrecan in the presence of IL-1β...
June 22, 2017: Biology Open
https://www.readbyqxmd.com/read/28642164/joint-loading-and-proximal-tibia-subchondral-trabecular-bone-microarchitecture-differ-with-walking-gait-patterns-in-end-stage-knee-osteoarthritis
#13
Bryant C Roberts, Lucian B Solomon, Graham Mercer, Karen J Reynolds, Dominic Thewlis, Egon Perilli
OBJECTIVES: To (1) stratify subgroups according to their distinct walking gait patterns in end-stage knee osteoarthritis (OA) patients; (2) compare measures of joint loading and proximal tibia subchondral trabecular bone (STB) microarchitecture among subgroups. DESIGN: Twenty-five knee OA patients undergoing total knee arthroplasty had pre-operative gait analysis. Following surgery, excised tibial plateaus were micro-CT-scanned and STB microarchitecture analysed in four tibial condylar regions of interest...
June 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28641734/acute-proximal-humeral-fractures-in-adults
#14
Véronique Lowry, Nathalie J Bureau, François Desmeules, Jean-Sébastien Roy, Dominique M Rouleau
STUDY DESIGN: Clinical commentary. INTRODUCTION: Proximal humeral fractures (PHF) are the third most common fracture in the elderly with an increased incidence expected in the coming years with the aging population, causing an important burden to the healthcare system. The management of PHF is challenging due to its complexity and the wide variety of fractures and treatment options. PURPOSE: The objective of this clinical commentary is to update the available evidence on clinical presentation, classification, imaging, medical treatment, and rehabilitation of acute PHF...
April 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28640896/beneficial-effects-of-a-gait-used-while-wearing-a-kimono-to-decrease-the-knee-adduction-moment-in-healthy-adults
#15
Susumu Ota, Yukari Ogawa, Hiroki Ota, Tomoya Fujiwara, Tadashi Sugiyama, Akira Ochi
The knee adduction moment (KAM) relates to medial knee osteoarthritis (OA). Several gait modifications to reduce the KAM for the prevention of knee OA have been studied. Most of the modifications, however, involve voluntary changes in leg alignment. Here we investigated the biomechanical effects for reducing the KAM of a walking style with a small trunk rotation and arm swing gait, which is a natural walking style used while wearing a kimono (Nanba walk) that shifts the ground reaction force toward the stance leg (reduced lever arm)...
2017: PloS One
https://www.readbyqxmd.com/read/28640607/primary-and-photochemically-aged-aerosol-emissions-from-biomass-cookstoves-chemical-and-physical-characterization
#16
Stephen M Reece, Aditya Sinha, Andrew P Grieshop
Secondary organic aerosol (SOA) formation during photo-oxidation of primary emissions from cookstoves used in developing countries may make important contributions to their climate and air quality impacts. We present results from laboratory experiments with a field portable oxidation flow reactor (F-OFR) to study the evolution of emissions over hours to weeks of equivalent atmospheric aging. Lab tests, using dry red oak, measured fresh and aged emissions from a 3 stone fire (TSF), a "rocket" natural draft stove (NDS) and a forced draft gasifier stove (FDGS), in order of increasing modified combustion efficiency (MCE) and decreasing particulate matter emission factors (EF)...
June 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28640163/mistletoe-fig-ficus-deltoidea-jack-leaf-extract-prevented-postmenopausal-osteoarthritis-by-attenuating-inflammation-and-cartilage-degradation-in-rat-model
#17
Nur Adeelah Che Ahmad Tantowi, Paisal Hussin, Seng Fong Lau, Suhaila Mohamed
OBJECTIVE: Ficus deltoidea Jack (mistletoe fig) is an ornamental plant found in various parts of the world and used as traditional herbal medicine in some countries. This study investigated the potential use of F deltoidea leaf extract to mitigate osteoarthritis (OA) in ovariectomized (estrogen-deficient postmenopausal model) rats and the mechanisms involved. Diclofenac was used for comparison. METHODS: Sprague-Dawley female rats (12 weeks old) were divided randomly into five groups (n = 6): healthy; nontreated OA; OA + diclofenac (5 mg/kg); OA + extract (200 mg/kg); and OA + extract (400 mg/kg)...
June 19, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28639438/body-composition-analysis-to-study-long-term-training-effects-in-elite-male-water-polo-athletes
#18
Giovanni Melchiorri, Valerio Viero, Roberto Sorge, Tamara Triossi, Alessandro Campagna, Stella L Volpe, Dalgisio Lecis, Virginia Tancredi, Angela Andreoli
BACKGROUND: Elite water polo athletes undergo heavy training programs throughout the year, but especially to prepare major competitions, such as the Olympics. Optimal athletic performance is a result of many factors, including proper management of the intensity and volume of training, nutrition and recovery between training sessions. When training is excessive in relation to recovery may occur non functional overreaching (NFO). NFO can degenerate into overtraining syndrome (OTS) resulting in a decrease in athletic performance, with likely changes in body weight and body composition...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28638679/decrease-of-serum-biomarker-of-type-ii-collagen-degradation-coll2-1-by-intra-articular-injection-of-an-autologous-plasma-rich-platelet-in-patients-with-unilateral-primary-knee-osteoarthritis
#19
Rasha Mohamed Fawzy, Nashwa Ismail Hashaad, Amira Ibrahim Mansour
OBJECTIVE: This study aimed to evaluate the effect of one dose of intra-articular injection of (PRP) in the knee joint on a specific osteoarthritis (OA) serum biomarker of cartilage degeneration, Collagen 2-1 (Coll2-1), over a short period of 3 months. The aim extended to clarify the effect of PRP on the functional status of the osteoarthritic knee joint. MATERIAL AND METHODS: Sixty patients with primary unilateral knee OA were enrolled in this study. They were subdivided according to Kellgren-Lawrence grading scale (KL) into (Group I): including patients with KL grade < 3 and (Group II): including patients with KL grade ≥3...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28638242/cost-utility-of-a-single-injection-combined-corticosteroid-hyaluronic-acid-formulation-vs-a-2-injection-regimen-of-sequential-corticosteroid-and-hyaluronic-acid-injections
#20
Etienne L Belzile, Robert T Deakon, Christopher Vannabouathong, Mohit Bhandari, Martin Lamontagne, Robert McCormack
Research has shown early and sustained relief with a combination therapy of a corticosteroid (CS) and hyaluronic acid (HA) in knee osteoarthritis (OA) patients. This can be administered via a single injection containing both products or as separate injections. The former may be more expensive when considering only product cost, but the latter incurs the additional costs and time of a second procedure. The purpose of this study was to compare the cost-utility of the single injection with the 2-injection regimen...
2017: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
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