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https://www.readbyqxmd.com/read/28536528/rescued-chondrogenesis-of-mesenchymal-stem-cells-under-interleukin-1-challenge-by-foamyviral-interleukin-1-receptor-antagonist-gene-transfer
#1
Nicole Armbruster, Jennifer Krieg, Manuel Weißenberger, Carsten Scheller, Andre F Steinert
Background: Mesenchymal stem cells (MSCs) and their chondrogenic differentiation have been extensively investigated in vitro as MSCs provide an attractive source besides chondrocytes for cartilage repair therapies. Here we established prototype foamyviral vectors (FVV) that are derived from apathogenic parent viruses and are characterized by a broad host range and a favorable integration pattern into the cellular genome. As the inflammatory cytokine interleukin 1 beta (IL1β) is frequently present in diseased joints, the protective effects of FVV expressing the human interleukin 1 receptor antagonist protein (IL1RA) were studied in an established in vitro model (aggregate culture system) of chondrogenesis in the presence of IL1β...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28535248/effects-of-work-family-conflict-and-job-insecurity-on-psychological-distress
#2
M Mutambudzi, Z Javed, S Kaul, J Prochaska, M K Peek
Background: Work-family conflict (WFC) and job insecurity are important determinants of workers' mental health. Aims: To examine the relationship between WFC and psychological distress, and the co-occurring effects of WFC and job insecurity on distress in US working adults. Methods: This study used cross-sectional data from the 2010 National Health Interview Survey (NHIS) for adults aged 18-64 years. The 2010 NHIS included occupational data from the National Institute for Occupational Safety and Health (NIOSH) sponsored Occupational Health Supplement...
May 23, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28529107/is-there-a-role-for-preoperative-iron-supplementation-in-patients-preparing-for-a-total-hip-or-total-knee-arthroplasty
#3
Stephen M Petis, Brent A Lanting, Edward M Vasarhelyi, Douglas D R Naudie, Fiona E Ralley, James L Howard
BACKGROUND: Several treatment modalities exist for the treatment of perioperative anemia. We determined the effect of oral iron supplementation on preoperative anemia, and the use of blood-conserving interventions before total hip arthroplasty (THA) and total knee arthroplasty (TKA). METHODS: A total of 3435 total joint arthroplasties (1461 THAs and 1974 TKAs) were analyzed during 2 phases of a blood conservation program. The first phase used erythropoietin alfa (EPO) or intravenous (IV) iron for patients at risk for perioperative anemia...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28511690/development-of-a-clinical-prediction-algorithm-for-knee-osteoarthritis-structural-progression-in-a-cohort-study-value-of-adding-measurement-of-subchondral-bone-density
#4
Michael P LaValley, Grace H Lo, Lori Lyn Price, Jeffrey B Driban, Charles B Eaton, Timothy E McAlindon
BACKGROUND: Risk prediction algorithms increase understanding of which patients are at greatest risk of a harmful outcome. Our goal was to create a clinically useful prediction algorithm for structural progression of knee osteoarthritis (OA), using medial joint space loss as a proxy; and to quantify the benefit of including periarticular bone mineral density (BMD) in the algorithm. METHODS: Participants were from the Osteoarthritis Initiative (OAI) Progression Cohort, with X-ray readings of medial joint space at 36- and 48-month visits, and a 30- or 36-month medial-to-lateral tibial BMD ratio (M:L BMD ratio) value...
May 16, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28507182/association-between-dairy-product-consumption-and-incidence-of-total-hip-arthroplasty-for-osteoarthritis
#5
Sultana Monira Hussain, Flavia M Cicuttini, Graham G Giles, Stephen E Graves, Anita E Wluka, Yuanyuan Wang
OBJECTIVE: The aim of this prospective cohort study was to determine whether dairy product consumption was associated with the incidence of total hip arthroplasty for osteoarthritis (OA). METHODS: There were 38,924 participants from the Melbourne Collaborative Cohort Study who had dairy product consumption recorded in 1990-1994. The incidence of total hip arthroplasty for OA during 2001-2013 was determined by linking cohort records to the Australian Orthopaedic Association National Joint Replacement Registry...
May 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28506841/definition-of-critical-size-osteochondral-defect-and-it-s-the-negative-effect-to-the-surrounding-articular-cartilage-in-the-rat-knee
#6
Hiroki Katagiri, Luis Filipe Mendes, Frank P Luyten
BACKGROUND: Joint trauma is predisposing to the incidence of osteoarthritis of the knee. There is a limited knowledge on the impact of posttraumatic osteochondral defects on the whole joint. This study was designed to define a critical size osteochondral defect in the knee of rats and to investigate a possible association between osteochondral defects and degeneration of the surrounding joint surface. METHODS: Cylindrical osteochondral defects of different sizes were created in the knee joint of rats...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28504992/trends-in-perioperative-practice-and-resource-utilization-in-patients-with-obstructive-sleep-apnea-undergoing-joint-arthroplasty
#7
Crispiana Cozowicz, Jashvant Poeran, Ashley Olson, Madhu Mazumdar, Eva E Mörwald, Stavros G Memtsoudis
BACKGROUND: Emerging evidence associating obstructive sleep apnea (OSA) with adverse perioperative outcomes has recently heightened the level of awareness among perioperative physicians. In particular, estimates projecting the high prevalence of this condition in the surgical population highlight the necessity of the development and adherence to "best clinical practices." In this context, a number of expert panels have generated recommendations in an effort to provide guidance for perioperative decision-making...
May 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28500818/household-microbial-water-quality-testing-in-a-peruvian-demographic-and-health-survey-evaluation-of-the-compartment-bag-test-for-escherichia-coli
#8
Alice Wang, Lanakila McMahan, Shea Rutstein, Christine Stauber, Jorge Reyes, Mark D Sobsey
AbstractThe Joint Monitoring Program relies on household surveys to classify access to improved water sources instead of measuring microbiological quality. The aim of this research was to pilot a novel test for Escherichia coli quantification of household drinking water in the 2011 Demographic and Health Survey (DHS) in Peru. In the Compartment Bag Test (CBT), a 100-mL water sample is supplemented with chromogenic medium to support the growth of E. coli, poured into a bag with compartments, and incubated. A color change indicates E...
April 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28490394/synbiotic-supplementation-and-the-effects-on-clinical-and-metabolic-responses-in-patients-with-rheumatoid-arthritis-a-randomised-double-blind-placebo-controlled-trial
#9
Batol Zamani, Shima Farshbaf, Hamid R Golkar, Fereshteh Bahmani, Zatollah Asemi
Synbiotic intake may be associated with reduced inflammation in patients with rheumatoid arthritis (RA) due to optimised inflammatory markers, oxidative stress and insulin resistance. This research was conducted to assess the effects of synbiotic supplementation on the clinical and metabolic parameters of patients with RA. A total of fifty-four patients with RA were allocated into two groups to receive either a synbiotic capsule (n 27) or a placebo (n 27) for 8 weeks in this randomised, double-blind, placebo-controlled trial...
May 11, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28489159/changing-paradigms-in-preoperative-fasting-results-of-a-joint-effort-in-pediatric-surgery
#10
Carlos Augusto Leite de Barros Carvalho, Augusto Aurélio de Carvalho, Paulo Luiz Batista Nogueira, José Eduardo de Aguilar-Nascimento
Background: Current researches associate long fasting periods to several adverse consequences. The fasting abbreviation to 2 h to clear liquids associated with the use of drinks containing carbohydrates attenuates endocrinometabolic response to surgical trauma, but often is observed children advised to not intake food from 00:00 h till the scheduled surgical time, regardless of what it is. Aim: To evaluate the safety of a protocol of preoperative fasting abbreviation with a beverage containing carbohydrates, and early postoperative feeding in children underwent elective small/mid-size surgical procedures during a national task-force on pediatric surgery...
January 2017: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28488213/multiple-resource-supplements-synergistically-enhance-predatory-mite-populations
#11
Apostolos Pekas, Felix L Wäckers
Many plants offer food rewards such as extrafloral nectar and food bodies, which have been shown to attract and retain entomophagous arthropods. In addition to food rewards, plants may possess structures that serve as shelter and/or oviposition sites for beneficial arthropods, so-called domatia. Acarodomatia are commonly used by beneficial mites for oviposition and protection from intraguild predators and adverse climatic conditions (drought). While in nature these food and shelter traits often occur in combination, they have been largely studied in isolation and we know little about how these traits interact, i...
May 9, 2017: Oecologia
https://www.readbyqxmd.com/read/28483683/the-use-of-dehydrated-human-amnion-chorion-membrane-allograft-injection-for-the-treatment-of-tendinopathy-or-arthritis-a-case-series-involving-40-patients
#12
Alfred C Gellhorn, Alex Han
BACKGROUND: Degenerative joint and tendon injuries remain difficult to treat, with few effective conservative treatment options available. Regenerative approaches aim to promote the inherent healing capacity of injured tissues. Micronized dehydrated human amnion/chorion membrane (dHACM) injection is an emerging regenerative option with promising preclinical results. OBJECTIVE: To test the clinical effectiveness of dHACM injection in patients with chronic tendinopathy and arthropathy...
May 6, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28481944/a-consistent-and-potentially-exploitable-response-during-chondrogenesis-of-mesenchymal-stem-cells-from-osteoarthritis-patients-to-the-protein-encoded-by-the-susceptibility-gene-gdf5
#13
Madhushika Ratnayake, Maria Tselepi, Robert Bloxham, Frank Plöger, Louise N Reynard, John Loughlin
Osteoarthritis (OA) is a common joint disease characterised by the focal loss of the protective cartilage layer at the ends of the bones. It is painful, disabling, multifactorial and polygenic. The growth differentiation factor 5 gene GDF5 was one of the first reported OA susceptibility signals that showed consistent association to OA, with the transcript single nucleotide polymorphism (SNP) rs143383 demonstrating association in Asians and Europeans. The functional effect of the signal is reduced expression of the gene...
2017: PloS One
https://www.readbyqxmd.com/read/28473333/the-clinical-and-cost-effectiveness-of-a-virtual-fracture-clinic-service-an-interrupted-time-series-analysis-and-before-and-after-comparison
#14
A McKirdy, A M Imbuldeniya
OBJECTIVES: To assess the clinical and cost-effectiveness of a virtual fracture clinic (VFC) model, and supplement the literature regarding this service as recommended by The National Institute for Health and Care Excellence (NICE) and the British Orthopaedic Association (BOA). METHODS: This was a retrospective study including all patients (17 116) referred to fracture clinics in a London District General Hospital from May 2013 to April 2016, using hospital-level data...
May 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28473097/acr-appropriateness-criteria-%C3%A2-chronic-extremity-joint-pain-suspected-inflammatory-arthritis
#15
Jon A Jacobson, Catherine C Roberts, Jenny T Bencardino, Marc Appel, Erin Arnold, Steven J Baccei, R Carter Cassidy, Eric Y Chang, Michael G Fox, Bennett S Greenspan, Soterios Gyftopoulos, Mary G Hochman, Douglas N Mintz, Joel S Newman, Zehava S Rosenberg, Nehal A Shah, Kirstin M Small, Barbara N Weissman
Evaluation for suspected inflammatory arthritis as a cause for chronic extremity joint pain often relies on imaging. This review first discusses the characteristic osseous and soft tissue abnormalities seen with inflammatory arthritis and how they may be imaged. It is essential that imaging results are interpreted in the context of clinical and serologic results to add specificity as there is significant overlap of imaging findings among the various types of arthritis. This review provides recommendations for imaging evaluation of specific types of inflammatory arthritis, including rheumatoid arthritis, seronegative spondyloarthropathy, gout, calcium pyrophosphate dihydrate disease (or pseudogout), and erosive osteoarthritis...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28473095/acr-appropriateness-criteria-%C3%A2-chronic-back%C3%A2-pain%C3%A2-suspected-sacroiliitis-spondyloarthropathy
#16
Stephanie A Bernard, Mark J Kransdorf, Francesca D Beaman, Ronald S Adler, Behrang Amini, Marc Appel, Erin Arnold, R Carter Cassidy, Bennett S Greenspan, Kenneth S Lee, Michael J Tuite, Eric A Walker, Robert J Ward, Daniel E Wessell, Barbara N Weissman
Inflammatory sacroiliitis or the seronegative axial spondyloarthropathies often presents as back pain or sacroiliac joint pain of more than 3-month duration with inflammatory symptoms and typically in patients younger than 45 years of age. Imaging plays an important role in diagnosis and disease monitoring. This article addresses the appropriate sequence of initial imaging for evaluation of a suspected spondyloarthropathy, the imaging follow-up of treatment response and the special considerations for imaging of trauma in patients with ankylosis of the spine...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28471067/functional-magnetic-hybrid-nanomaterials-for-biomedical-diagnosis-and-treatment
#17
REVIEW
Xin Tian, Lechuan Zhang, Mo Yang, Lei Bai, Yiheng Dai, Zhiqiang Yu, Yue Pan
Magnetic nanomaterials integrating supplemental functional materials are called magnetic hybrid nanomaterials (MHNs). Such MHNs have drawn increasing attention due to their biocompatibility and the potential applications either as alternative contrast enhancing agents or effective heat nanomediators in hyperthermia therapy. The joint function comes from the hybrid nanostructures. Hybrid nanostructures of different modification can be easily achieved owing to the large surface-area-to-volume ratio and sophisticated surface characteristic...
May 4, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28463285/improving-chemical-species-tomography-of-turbulent-flows-using-covariance-estimation
#18
Samuel J Grauer, Paul J Hadwin, Kyle J Daun
Chemical species tomography (CST) experiments can be divided into limited-data and full-rank cases. Both require solving ill-posed inverse problems, and thus the measurement data must be supplemented with prior information to carry out reconstructions. The Bayesian framework formalizes the role of additive information, expressed as the mean and covariance of a joint-normal prior probability density function. We present techniques for estimating the spatial covariance of a flow under limited-data and full-rank conditions...
May 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/28456616/actions-of-spm-in-regulating-host-responses-in-arthritis
#19
REVIEW
Mauro Perretti, Lucy V Norling
The discovery and identification of omega-3 fatty acid derived specialized pro-resolving mediators (SPM) provides a molecular mechanism for the beneficial effects of fish oil supplementation in patients suffering from arthritis. Here we review the plethora of bioactions of SPM in the context of joint diseases, focusing on both cellular targets and molecular mechanisms. Whenever possible, a parallel to clinical and preclinical data produced with fish oil supplementation is made to strengthen the mechanistic link between omega-3 fatty acids and SPM biosynthesis...
May 5, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28452032/mixture-risk-assessment-due-to-ingestion-of-arsenic-copper-and-zinc-from-milkfish-farmed-in-contaminated-coastal-areas
#20
Yi-Jun Lin, Min-Pei Ling, Szu-Chieh Chen, Wei-Yu Chen, Nan-Hung Hsieh, Yi-Hsien Cheng, Shu-Han You, Wei-Chun Chou, Ming-Chao Lin, Chung-Min Liao
Human health risks associated with the consumption of metal-contaminated fish over extended periods have become a concern particularly in Taiwan, where fish is consumed on a large scale. This study applied the interaction-based hazard index (HI) to assess the mixture health risks for fishers and non-fishers who consume the arsenic (As), copper (Cu), and zinc (Zn) contaminated milkfish from As-contaminated coastal areas in Taiwan, taking into account joint toxic actions and potential toxic interactions. We showed that the interactions of As-Zn and Cu-Zn were antagonistic, whereas As-Cu interaction was additive...
April 28, 2017: Environmental Science and Pollution Research International
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