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https://www.readbyqxmd.com/read/29777863/comparison-of-histological-and-morphometrical-changes-underlying-subchondral-bone-abnormalities-in-inflammatory-and-degenerative-musculoskeletal-disorders-a-systematic-review
#1
REVIEW
M Loef, S van Beest, F P B Kroon, J L Bloem, O M Dekkers, M Reijnierse, J W Schoones, M Kloppenburg
OBJECTIVE: Subchondral bone abnormalities (SBAs) on magnetic resonance imaging (MRI) are observed frequently and associated with disease course in various musculoskeletal disorders. This review aims to map the existing knowledge of their underlying histological features, and to identify needs for future research. DESIGN: We conducted a systematic review following PRISMA guidelines until September 2017, including all studies correlating histological features to on MRI defined SBAs in patients with osteoarthritis (OA), rheumatoid arthritis (RA), spondyloarthritis (SpA) and degenerative disc disease (DDD)...
May 16, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29777408/genetic-association-analysis-of-osteopontin-and-matrix-gla-protein-genes-polymorphisms-with-primary-knee-osteoarthritis-in-mexican-population
#2
Verónica Marusa Borgonio-Cuadra, Norma Celia González-Huerta, Emma Xochitl Rojas-Toledo, Eugenio Morales-Hernández, Nonanzit Pérez-Hernández, José Manuel Rodríguez-Pérez, Carlos Alfonso Tovilla-Zárate, Thelma Beatriz González-Castro, Yazmín Hernández-Díaz, María Lilia López-Narváez, Antonio Miranda-Duarte
Primary osteoarthritis (OA) is a complex entity in which several loci related to different molecular pathways or classes of molecules are associated with its development as demonstrated through genetic association studies. Genes involved in bone formation and mineralization, such as osteopontin (OPN) and Matrix Gla protein (MGP), could also be related with OA. The aim of this study was to evaluate the association between the genetic variants of OPN and MGP with primary knee osteoarthritis in a Mexican population...
May 18, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29777340/2017-update-of-the-turkish-league-against-rheumatism-tlar-evidence-based-recommendations-for-the-management-of-knee-osteoarthritis
#3
REVIEW
Tiraje Tuncer, Fatih Hasan Cay, Lale Altan, Gulcan Gurer, Cahit Kacar, Suheda Ozcakir, Sahap Atik, Figen Ayhan, Berrin Durmaz, Nurten Eskiyurt, Hakan Genc, Yesim GokceKutsal, Rezzan Gunaydin, Simin Hepguler, Sami Hizmetli, Taciser Kaya, Yesim Kurtais, Merih Saridogan, Dilsad Sindel, Serap Sutbeyaz, Omer Faruk Sendur, Hatice Ugurlu, Zeliha Unlu
In a Turkish League Against Rheumatism (TLAR) project, evidence-based recommendations for the management of knee osteoarthritis (OA) was developed for the first time in our country in 2012 (TLAR-2012). In accordance with developing medical knowledge and scientific evidence, recommendations were updated. The committee was composed of 22 physical medicine and rehabilitation specialists (4 have rheumatology subspeciality also) and an orthopaedic surgeon. Systematic literature search were applied on Pubmed, Embase, Cochrane and Turkish Medical Index for the dates between January the 1st 2012 and January the 29th of 2015...
May 17, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29776853/outcomes-of-a-fixed-bearing-medial-cemented-unicondylar-knee-arthroplasty-design-survival-analysis-and-functional-score-of-460-cases
#4
Philip Winnock de Grave, Justine Barbier, Thomas Luyckx, Alexander Ryckaert, Paul Gunst, Luc Van den Daelen
BACKGROUND: Unicompartmental knee arthroplasty (UKA) is an alternative to total knee arthroplasty in isolated medial osteoarthritis (OA). However, despite satisfactory reports on the clinical performance, UKA revision rates are still concerning. This retrospective study reports on the long-term survivorship, functional outcomes, and reasons for revision in fixed-bearing UKA implant. METHODS: Between 2005 and 2013, 460 consecutive patients were treated with medial UKA in one center using a fixed-bearing UKA system...
April 24, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29776723/outcome-of-a-hand-orthosis-and-hand-therapy-for-carpometacarpal-osteoarthritis-in-daily-practice-a-prospective-cohort-study
#5
Jonathan Tsehaie, Kim R Spekreijse, Robbert M Wouters, Harm P Slijper, Reinier Feitz, Steven E R Hovius, Ruud W Selles
PURPOSE: Initial treatment for symptomatic carpometacarpal (CMC) osteoarthritis (OA) of the thumb is usually nonsurgical. However, evidence on the effect of a hand orthosis and hand therapy for mid- and long-term results is limited, and it is unknown how many patients undergo additional surgical treatment. Therefore, the aim of this study is to describe the outcome of a hand orthosis and hand therapy for CMC OA in a large cohort study, and to evaluate the conversion rate to surgical treatment...
May 15, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29775734/defining-the-osteoarthritis-patient-back-to-the-future
#6
REVIEW
Geoffrey P Dobson, Hayley L Letson, Andrea Grant, Peter McEwen, Kaushik Hazratwala, Matthew Wilkinson, Jodie L Morris
The history of osteoarthritis (OA) is important because it can help broaden our perspective on past and present controversies. The naming of OA, beginning with Heberden's nodes, is itself a fascinating story. According to Albert Hoffa, R. Llewellyn Jones and Archibald Edward Garrod, the name OA was introduced in the mid-19th century by surgeon Richard von Volkmann who distinguished it from rheumatoid arthritis and gout. Others preferred the terms 'chronical rheumatism', 'senile arthritis', 'hypertrophic arthritis' or 'arthritis deformans'...
May 15, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29775300/secondary-organic-aerosol-formation-from-ambient-air-at-an-urban-site-in-beijing-effects-of-oh-exposure-and-precursor-concentrations
#7
Jun Liu, Biwu Chu, Tianzeng Chen, Changgeng Liu, Ling Wang, Xiaolei Bao, Hong He
Secondary organic aerosol (SOA) is an important component of atmospheric fine particles (PM2.5 ), while the key factors controlling SOA formation in ambient air remain poorly understood. In this work, the SOA formation in Beijing urban ambient air was investigated using an oxidation flow reactor (OFR) with high concentrations of OH radicals. The SOA formation potential increased significantly with the increase of ambient PM2.5 concentration during the observation. The optimum ambient exposure time, which is the aging time equivalent to atmospheric oxidation (with similar OH exposure) associated with the peak SOA formation, varied between 2 to 4 days in this study...
May 18, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29774949/the-critical-shoulder-angle-acromial-coverage-is-more-relevant-than-glenoid-inclination
#8
Silvan Beeler, Anita Hasler, Tobias Götschi, Dominik C Meyer, Christian Gerber
It is still unknown whether glenoid inclination or lateral acromial roof extension is a more important determinant for development of rotator cuff tears (RCT) or osteoarthritis (OA) of the shoulder. It was the purpose of this study, to evaluate whether there is a potential predominance of one of these factors in pathogenesis of RCT or concentric OA. We analyzed 70 shoulders with advanced degenerative RCT and 54 shoulders with concentric OA undergoing primary shoulder arthroplasty (anatomical or reverse) using antero-posterior radiography and multiplanar computed tomography...
May 18, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29774080/microrna-193b-3p-regulates-chondrogenesis-and-chondrocyte-metabolism-by-targeting-hdac3
#9
Fangang Meng, Zhiwen Li, Zhiqi Zhang, Zibo Yang, Yan Kang, Xiaoyi Zhao, Dianbo Long, Shu Hu, Minghui Gu, Suiwen He, Peihui Wu, Zongkun Chang, Aishan He, Weiming Liao
Histone deacetylase 3 (HDAC3) plays a pivotal role in the repression of cartilage-specific gene expression in human chondrocytes. The aim of this study was to determine whether microRNA-193b-3p (miR-193b-3p) regulates the expression of HDAC3 during chondrogenesis and chondrocyte metabolism. Methods: miR-193b-3p expression was assessed in a human mesenchymal stem cell (hMSC) model of chondrogenesis, in interleukin-1β (IL-1β)-treated primary human chondrocytes (PHCs), and in non-degraded and degraded cartilage...
2018: Theranostics
https://www.readbyqxmd.com/read/29773338/taking-stock-a-systematic-review-of-archaeological-evidence-of-cancers-in-human-and-early-hominin-remains
#10
Kathryn J Hunt, Charlotte Roberts, Casey Kirkpatrick
This study summarizes data from 154 paleopathological studies documenting 272 archaeologically recovered individuals exhibiting skeletal or soft tissue evidence of cancer (malignant neoplastic disease) between 1.8 million years ago and 1900 CE. The paper reviews and summarizes the temporal, spatial and demographic distribution of the evidence and the methods used to provide the cancer diagnoses. Metastasis to bone is the most widely reported evidence (n = 161), followed by multiple myeloma (n = 55)...
May 14, 2018: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29773182/essential-elements-in-synovial-fluid-samples-obtained-from-patients-living-in-northern-poland
#11
Pawel Konieczynski, Grzegorz Szreder, Ewelina Tamowska, Marek Wesolowski
Many people after 50 year of life suffer pains caused by osteoarthritis (OA), which make their life difficult and painful. There is a probable association of OA with the concentration of certain elements in body fluids. Therefore the aim of the study was to relate the level of essential elements in synovial fluids of patients with OA with the treatment using antiarthritic drugs. Thus, flame-atomic absorption spectrometry was used to determine the concentrations of Fe, Zn, Cu, Mn, Na, K, Ca and Mg in 74 samples of synovial fluids taken from 36 patients...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773173/gene-expression-in-adverse-reaction-to-metal-debris-around-metal-on-metal-arthroplasty-an-rna-seq-based-study
#12
Antti Pemmari, Tiina Leppänen, Erja-Leena Paukkeri, Antti Eskelinen, Teemu Moilanen, Eeva Moilanen
Joint replacement surgery is a standard treatment of advanced osteoarthritis (OA). Since 2000, cobalt-chromium (CoCr) metal-on-metal (MoM) implants were widely used in hip arthroplasties. Some patients developed "adverse reaction to metal debris" (ARMD) around the prosthesis, resulting in a need for revision surgery. In the present study, we addressed the pathogenesis of ARMD by genome-wide expression analysis. Pseudosynovial ARMD tissue was obtained from revision surgery of Articular Surface Replacement (ASR, DePuy, Warsaw, IN, USA) hip arthroplasties...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772960/is-music-a-memory-booster-in-normal-aging-the-influence-of-emotion
#13
Stéphie Ratovohery, Alexia Baudouin, Aude Gachet, Juliette Palisson, Pauline Narme
Age-related differences in episodic memory have been explained by a decrement in strategic encoding implementation. It has been shown in clinical populations that music can be used during the encoding stage as a mnemonic strategy to learn verbal information. The effectiveness of this strategy remains equivocal in older adults (OA). Furthermore, the impact of the emotional valence of the music used has never been investigated in this context. Thirty OA and 24 young adults (YA) learned texts that were either set to music that was positively or negatively valenced, or spoken only...
May 17, 2018: Memory
https://www.readbyqxmd.com/read/29772167/dynamic-oxidative-potential-of-atmospheric-organic-aerosol-under-ambient-sunlight
#14
Huanhuan Jiang, Myoseon Jang
The atmospheric process dynamically changes the chemical compositions of organic aerosol (OA), thereby complicating the interpretation of its health effects. In this study, the dynamic evolution of the oxidative potential of various OA was studied, including wood combustion particles and secondary organic aerosols (SOA) generated from different hydrocarbons (i.e. gasoline, toluene, isoprene and α-pinene). The oxidative potential of OA at different aging stages was subsequently measured by the dithiothreitol consumption (DTTm, mass normalized)...
May 17, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29770602/full-title-cultures-of-a-human-synovial-cell-line-to-evaluate-platelet-rich-plasma-and-hyaluronic-acid-effects
#15
E Olivotto, G Merli, E Assirelli, C Cavallo, E Belluzzi, R Ramonda, M Favero, G Filardo, A Roffi, E Kon, B Grigolo
Synovial inflammation plays an important role in osteoarthritis (OA) pathogenesis. Different biological compounds have been tested mainly on chondrocytes, to treat early stages of OA. However, since OA has been recently defined as "an organ" pathology, investigation on synoviocytes is also needed. Therefore the aim of the present study was to validate a human fibroblast-like synoviocytes cell line (K4IM) to test the effects of platelet-rich plasma (PRP) and hyaluronan (HA) on anabolic and catabolic gene expression and on HA secretion from cell cultures...
May 16, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29770435/fetal-rotation-during-vacuum-extractions-for-prolonged-labour-a-prospective-cohort-study
#16
Birgitte Heiberg Kahrs, Sana Usman, Tullio Ghi, Aly Youssef, Erik Andreas Torkildsen, Elsa Lindtjørn, Tilde Borch Østborg, Sigurlaug Benediktsdottir, Lis Brooks, Lotte Harmsen, Kjell Åsmund Salvesen, Cristoph C Lees, Torbjørn Moe Eggebø
INTRODUCTION: The aim of the study was to investigate fetal head rotation during vacuum extraction. MATERIAL AND METHODS: We conducted a prospective cohort study from November 2013 to July 2016 in seven European hospitals. Fetal head position was determined with transabdominal or transperineal ultrasound and categorized as occiput anterior (OA), occiput transverse (OT) or occiput posterior (OP) position. Main outcome was the proportion of fetuses rotating during vacuum extraction...
May 16, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29769754/detection-of-bone-loss-via-subchondral-bone-analysis
#17
Jean-Baptiste Vimort, Antonio Ruellas, Jack Prothero, J S Marron, Matthew McCormick, Lucia Cevidanes, Erika Benavides, Beatriz Paniagua
To date, there is no single sign, symptom, or test that can clearly diagnose early stages of Temporomandibular Joint Osteoarthritis (TMJ OA). However, it has been observed that changes in the bone occur in early stages of this disease, involving structural changes both in the texture and morphometry of the bone marrow and the subchondral cortical plate. In this paper we present a tool to detect and highlight subtle variations in subchondral bone structure obtained from high resolution Cone Beam Computed Tomography (hr-CBCT) in order to help with detecting early TMJ OA...
February 2018: Proceedings of SPIE
https://www.readbyqxmd.com/read/29767758/turgor-maintenance-by-osmotic-adjustment-40-years-of-progress
#18
Neil C Turner
Osmotic adjustment (OA), the accumulation of solutes in higher plant cells in response to water deficits, was first reported more than four decades ago. Since then, variation in OA among genotypes/cultivars in response to drought has been reported in many crop plants, but its role in maintaining growth and yield in water-limited environments has been questioned. The role of OA in the physiological and agronomic adaptation to water stress of crops, the methods of reliably measuring the degree of OA among genotypes or species, the range of OA in many studies and its impact on grain yield in water-limited environments are reviewed...
May 15, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29766025/isoliquiritigenin-inhibits-il-1%C3%AE-induced-production-of-matrix-metalloproteinase-in-articular-chondrocytes
#19
Lei Zhang, Shiyun Ma, Hang Su, Jiaxiang Cheng
Osteoarthritis (OA) is a major joint disease in which inflammatory cytokine interleukin-1β (IL-1β) and matrix metalloproteinases (MMPs) play a pivotal role. Isoliquiritigenin has been reported to have anti-inflammation activity. In this study, the effect of isoliquiritigenin on IL-1β-induced production of matrix metalloproteinase and nuclear factor κB (NF-κB) activation was analyzed. We treated primary cultured articular chondrocytes with isoliquiritigenin and the expressions of MMPs were analyzed on mRNA and protein level...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29765503/oleuropein-aglycone-protects-against-mao-a-induced-autophagy-impairment-and-cardiomyocyte-death-through-activation-of-tfeb
#20
Caterina Miceli, Yohan Santin, Nicola Manzella, Raffaele Coppini, Andrea Berti, Massimo Stefani, Angelo Parini, Jeanne Mialet-Perez, Chiara Nediani
Age-associated diseases such as neurodegenerative and cardiovascular disorders are characterized by increased oxidative stress associated with autophagy dysfunction. Oleuropein aglycone (OA), the main polyphenol found in olive oil, was recently characterized as an autophagy inducer and a promising agent against neurodegeneration. It is presently unknown whether OA can have beneficial effects in a model of cardiac stress characterized by autophagy dysfunction. Here, we explored the effects of OA in cardiomyocytes with overexpression of monoamine oxidase-A (MAO-A)...
2018: Oxidative Medicine and Cellular Longevity
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