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Osteoarthritis(OA )

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https://www.readbyqxmd.com/read/28634214/effects-of-microrna-146a-on-the-proliferation-and-apoptosis-of-human-osteochondrocytes-by-targeting-traf6-through-the-nf-%C3%AE%C2%BAb-signalling-pathway
#1
Camilla West, Michael McDermott
MicroRNAs are important cellular mediators of mRNA degradation and translation repression, which in turn can have an impact on various processes and, if their function is perturbed, can cause disease. Here, we summarise the recent manuscript by Zhong et al., which explores microRNA-146a and how it may play an indirect yet vital role in the proliferation of osteoarthritis (OA) chondrocytes. The data presented by the authors could have important implications for future OA therapies.
June 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#2
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28631707/-chondroprotectors-a-range-of-application-in-general-somatic-practice
#3
O A Shavlovskaya
Chondroprotectors (CP) are biological agents that contribute to the regeneration of the cartilage surfaces and articular capsule, participating in the metabolic processes of the articular cartilage. Progressive loss of hyaline cartilage and lower levels of chondroitin sulfate were observed in osteoarthritis (OA) at different sites, including dorsopathy. OA therapy is aimed at slowing disease progression, relieving pain symptoms, and reducing functional disorders. For this purpose, oral or injectable CPs (Chondroguard, Sustaguard) are prescribed...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28631701/-clinical-features-of-osteoarthritis-in-patients-with-metabolic-syndrome
#4
L V Vasilyeva, D I Lakhin
AIM: To estimate clinical and laboratory parameters in patients with osteoarthritis (OA) and in those with OA and metabolic syndrome (MS). SUBJECTS AND METHODS: 164 patients with OA were examined and divided into 2 groups of 82 people: a study group (patients with MS) and a control one (those without MS). OA was defined according to the diagnostic criteria described by R.D. Althmann (1995). MS was identified based on the criteria developed by the International Diabetes Federation (2005)...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28631699/-lower-extremity-venous-diseases-in-primary-knee-osteoarthritis
#5
O M Lesnyak, E V Zubareva, M G Goncharova, D M Maksimov
AIM: To establish a possible association between knee osteoarthritis (OA) and lower extremity venous diseases ((LEVDs) on the basis of thorough clinical and instrumental studies. SUBJECTS AND METHODS: A case-control study recruiting 40-60-year-old women was conducted. A study group included 85 women with knee OA; a control group consisted of 50 women without this condition. The patients of both groups underwent assessment of complaints and goal-directed objective examination to identify joint diseases and chronic LEVDs, knee X-ray study, and duplex scanning of the lower extremity veins...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28631083/is-there-a-relationship-between-serum-ox-ldl-oxidative-stress-and-pon1-in-knee-osteoarthritis
#6
Cemil Ertürk, Mehmet Akif Altay, Ali Bilge, Hakim Çelik
Previous in vitro studies have shown that oxidized low-density lipoprotein (ox-LDL) plays a role in the pathogenesis of osteoarthritis (OA). Paraoxonase-1 (PON1) protects both low-density lipoproteins (LDLs) and high-density lipoprotein (HDLs) against oxidative damage from circulating cells. In addition, PON1 is inactivated by ox-LDL and preserved by antioxidants. However, the relationship between serum ox-LDL, oxidative stress, and PON1 in knee OA remains unclear. Therefore, we investigated ox-LDL association with oxidative stress and PON1 in knee OA, and evaluated their relationships using radiological and clinical parameters...
June 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28629944/what-are-the-risk-factors-for-dislocation-in-primary-total-hip-arthroplasty-a-multicenter-case-control-study-of-128-unstable-and-438-stable-hips
#7
M H Fessy, S Putman, A Viste, R Isida, N Ramdane, A Ferreira, A Leglise, B Rubens-Duval, N Bonin, F Bonnomet, A Combes, S Boisgard, D Mainard, S Leclercq, H Migaud
INTRODUCTION: Dislocation after total hip arthroplasty (THA) is a leading reason for surgical revision. The risk factors for dislocation are controversial, particularly those related to the patient and to the surgical procedure itself. The differences in opinion on the impact of these factors stem from the fact they are often evaluated using retrospective studies or in limited patient populations. This led us to carry out a prospective case-control study on a large population to determine: 1) the risk factors for dislocation after THA, 2) the features of these dislocations, and 3) the contribution of patient-related factors and surgery-related factors...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28629805/association-of-hip-radiograph-findings-with-pain-and-function-in-patients-presenting-with-low-back-pain
#8
Heidi Prather, Abby Cheng, Karen Steger May, Vaibhav Maheshwari, Linda VanDillen
BACKGROUND: Relationships between low back pain (LBP) and the hip in patient cohorts have been described primarily in patients with moderate to severe hip osteoarthritis (OA). Less is known about the links of LBP with hip radiographic findings of hip deformity and minimal OA. OBJECTIVE: The objectives were to 1) describe the incidence of radiographic hip deformity or hip OA, 2) describe and compare spine and hip related pain and function in the subset of patients who were found to have radiographic hip deformity or hip OA, and (3) compare patients with evidence of radiographic hip deformity or hip OA to patients without hip radiographic findings...
June 16, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28627979/association-between-transforming-growth-factor-beta-1-gene-single-nucleotide-polymorphisms-and-knee-osteoarthritis-susceptibility-in-a-chinese-han-population
#9
Ning Lu, Jianwei Lu, Chenhe Zhou, FuHua Zhong
Objective To investigate associations between single polymorphisms (SNPs) rs1800469 and rs1982073 in the transforming growth factor-β1 gene ( TGF-β1) and knee osteoarthritis (OA) susceptibility in a Chinese Han population. Methods TGF-β1 rs1800469 and rs1982073 were genotyped in patients with knee OA and age- and sex-matched OA-free controls from a Chinese Han population. The association was further analyzed according to gender and age. Results A total of 765 patients with knee OA and 780 controls were included...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28627937/the-safety-of-intra-articular-injections-for-the-treatment-of-knee-osteoarthritis-a-critical-narrative-review
#10
Christelle Nguyen, François Rannou
International guidelines recommend that the management of knee osteoarthritis (OA) combine both nonpharmacological and pharmacological interventions. Intra-articular (IA) therapies are considered part of this multimodal approach and are well-established Food and Drug Administration (FDA) and European Medicines Agency (EMA)-approved treatments. Areas covered. Safety data for knee OA, including IA corticosteroids, hyaluronic acid, platelet-rich plasma and botulinum toxin are critically reviewed, and evidence- and pratice-based measures to improve safety of IA therapies are discussed...
June 19, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28627663/chondromodulin%C3%A2-i-expression-and-correlation-with-angiogenesis-in-human-osteoarthritic-cartilage
#11
Bing Deng, Cheng Chen, Xiaoyuan Gong, Lin Guo, Hao Chen, Li Yin, Liu Yang, Fuyou Wang
The present study aimed to evaluate the expression and localization of chondromodulin‑I (ChM‑I) in human osteoarthritic cartilage and its correlation with vascular invasion during osteoarthritis (OA) progression. Osteochondral specimens were collected from patients with OA, as well as from young and aged donors without joint diseases. The grade and the number of vascular channels terminating in non‑calcified cartilage of these collected specimens were assessed by Safranin‑O/Fast green staining. ChM‑I expression in articular cartilage was examined by immunohistochemistry, western blotting and reverse transcription‑quantitative polymerase chain reaction analyses...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627596/regulation-of-type-ii-collagen-matrix-metalloproteinase-13-and-cell-proliferation-by-interleukin-1%C3%AE-is-mediated-by-curcumin-via-inhibition-of-nf-%C3%AE%C2%BAb-signaling-in-rat-chondrocytes
#12
Jian Wang, Jie Ma, Jian-Hua Gu, Fu-Yong Wang, Xiu-Shuai Shang, Hai-Rong Tao, Xiang Wang
Curcumin possesses strong anti-inflammatory, anti-rheumatoid and anti-oxidative activities, and has the potential to inhibit nuclear factor‑κB (NF‑κB) signaling. Cartilage damage in osteoarthritis (OA) is largely mediated by interleukin-1β (IL-1β) via activation of various transcription factors, including NF‑κB and activator protein‑1. The aim of the present study was to determine whether IL‑1β induces matrix metalloproteinase-13 (MMP-13) expression and inhibits type II collagen expression, as well as to examine whether cell proliferation may be inhibited by curcumin through the inhibition of NF‑κB signaling...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627582/mir%C3%A2-27-inhibits-the-nf-%C3%AE%C2%BAb-signaling-pathway-by-targeting-leptin-in-osteoarthritic-chondrocytes
#13
Bin Zhou, Hongwei Li, Jide Shi
Osteoarthritis (OA) is a chronic degenerative joint disease. An increasing number of studies point to the role of microRNAs (miRNAs or miRs) in the pathogenesis of OA. An earlier study suggested that miR‑27b was associated with OA; however, the precise mechanisms regarding the involvement of the miR‑27 in the progression of OA remain unclear. In the present study, we first analyzed the effects of miR‑27 on OA. In vitro, the degree of miR‑27 expression was decreased in chondrocytes obtained from patients with OA...
June 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28627466/patterns-of-intra-articular-injection-use-after-initiation-of-treatment-in-patients-with-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#14
Shao-Hsien Liu, Catherine E Dubé, Jeffrey B Driban, Timothy E McAlindon, Charles B Eaton, Kate L Lapane
OBJECTIVE: We sought to describe and evaluate longitudinal use of intra-articular injections after treatment initiation among adults with radiographically confirmed knee osteoarthritis (OA). METHOD: Using data from the Osteoarthritis Initiative, we included participants with radiographically confirmed OA (Kellgren-Lawrence grade (K-L) ≥ 2) in ≥ 1 knee at baseline. With 9 years of data, 412 participants newly initiating hyaluronic acid or corticosteroid injections with their index visit were identified...
June 13, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28626842/automated-segmentation-of-knee-mri-using-hierarchical-classifiers-and-just-enough-interaction-based-learning-data-from-osteoarthritis-initiative
#15
Satyananda Kashyap, Ipek Oguz, Honghai Zhang, Milan Sonka
We present a fully automated learning-based approach for segmenting knee cartilage in presence of osteoarthritis (OA). The algorithm employs a hierarchical set of two random forest classifiers. The first is a neighborhood approximation forest, the output probability map of which is utilized as a feature set for the second random forest (RF) classifier. The output probabilities of the hierarchical approach are used as cost functions in a Layered Optimal Graph Segmentation of Multiple Objects and Surfaces (LOGISMOS)...
October 2016: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/28626308/relationship-between-trunk-function-evaluated-using-the-trunk-righting-test-and-physical-function-in-patients-with-knee-osteoarthritis
#16
Kazuaki Kinoshita, Kazunari Ishida, Masashi Hashimoto, Yuki Yoneda, Yuta Naka, Hideyuki Kitanishi, Hiroki Oyagi, Yuichi Hoshino, Masahiro Kurosaka, Nao Shibanuma
[Purpose] The present study was to validate the importance of the trunk function evaluated by trunk righting test (TRT) with motor function in patients with knee osteoarthritis (OA) and to show the clinical use of TRT. [Subjects and Methods] This study included 50 patients with knee osteoarthritis who underwent total knee arthroplasty in our hospital. Correlations between physical functional test, such as muscle strength, balance function, and performance and TRT were statistically evaluated. [Results] The independent factors for ipsilateral TRT were maximal isometric knee extensor strength test and ipsilateral step test...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28624198/emerging-roles-of-circrna-related-to-the-mechanical-stress-in-human-cartilage-degradation-of-osteoarthritis
#17
Qiang Liu, Xin Zhang, Xiaoqing Hu, Lan Yuan, Jin Cheng, Yanfang Jiang, Yingfang Ao
Circular RNAs (circRNAs) are involved in the development of various diseases; however, knowledge on circRNAs in osteoarthritis (OA) is limited. This study aims to identify circRNA expression in different regions affected by OA and to explore the function of mechanical stress-related circRNAs (circRNAs-MSR) in cartilage. Bioinformatics was employed to predict the interaction of circRNAs and mRNAs in the cartilage. Loss-of-function experiments for circRNAs-MSR were performed in vitro. A total of 104 circRNAs were differentially expressed in damaged versus intact cartilage...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28621703/pain-sensation-in-human-osteoarthritic-knee-joints-is-strongly-enhanced-by-diabetes-mellitus
#18
Annett Eitner, Julia Pester, Franziska Vogel, Ivan Marintschev, Thomas Lehmann, Gunther O Hofmann, Hans-Georg Schaible
The major burden of knee joint osteoarthritis (OA) is pain. Since in elder patients diabetes mellitus is an important comorbidity of OA we explored whether the presence of diabetes mellitus has a significant influence on pain intensity at the end stage of knee OA, and we aimed to identify factors possibly related to changes of pain intensity in diabetic patients. In 23 diabetic and 47 non-diabetic OA patients undergoing total knee arthroplasty, we assessed the pain intensity before the operation using the "Knee injury and Osteoarthritis Outcome score" (KOOS)...
June 8, 2017: Pain
https://www.readbyqxmd.com/read/28621682/melatonin-inhibits-sirt1-dependent-nampt-and-nfat5-signaling-in-chondrocytes-to-attenuate-osteoarthritis
#19
Jia Yi Guo, Feng Li, Yong Bing Wen, Hong Xun Cui, Ma Long Guo, Lin Zhang, Yun Fei Zhang, Yan Jin Guo, Yan Xing Guo
Osteoarthritis (OA) is a degenerative joint disease mainly characterized by cartilage degradation. Interleukin-1β (IL-1β) contributes to OA pathogenesis by enhancing oxidative stress and inflammation. Melatonin reportedly elicits potent protection against OA. However, the role of melatonin and underlying mechanism in IL-1β-stimulated chondrocytes remain largely unclear. In this study, we found that melatonin inhibited IL-1β-induced toxicity and sirtuin 1 (Sirt1) enhancement in human chondrocytes. Melatonin reduced the IL-1β-increased nicotinamide phosphoribosyltransferase (NAMPT) expression and the NAD+ level in chondrocytes in a Sirt1-dependent manner...
June 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28620193/microrna-29a-counteracts-synovitis-in-knee-osteoarthritis-pathogenesis-by-targeting-vegf
#20
Jih-Yang Ko, Mel S Lee, Wei-Shiung Lian, Wen-Tsan Weng, Yi-Chih Sun, Yu-Shan Chen, Feng-Sheng Wang
Synovitis contributes to the development of osteoarthritis (OA) of the knee. MicroRNAs regulate joint microenvironment homeostasis and deterioration. This study was undertaken to characterize the actions of microRNA-29a (miR-29a) to synovial remodeling in OA joints. Synovial specimens isolated from patients with end-stage OA knees showed abundant fibrotic matrix and vessel histopathology concomitant with weak miR-29a expression. In vitro, miR-29a knockdown caused synovial fibroblasts to exhibit high expressions of collagen III, TGF-β1, MMP9, MMP13, and ADAMTS5, whereas miR-29a overexpression diminished these joint-deleterious factors...
June 15, 2017: Scientific Reports
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