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Bone & Joint Research

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https://www.readbyqxmd.com/read/29922458/neuroarthropathy-in-diabetes-pathogenesis-of-charcot-arthropathy
#1
S E Johnson-Lynn, A W McCaskie, A P Coll, A H N Robinson
Charcot neuroarthropathy is a rare but serious complication of diabetes, causing progressive destruction of the bones and joints of the foot leading to deformity, altered biomechanics and an increased risk of ulceration. Management is complicated by a lack of consensus on diagnostic criteria and an incomplete understanding of the pathogenesis. In this review, we consider recent insights into the development of Charcot neuroarthropathy. It is likely to be dependent on several interrelated factors which may include a genetic pre-disposition in combination with diabetic neuropathy...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922457/the-effects-of-high-glucose-condition-on-rat-tenocytes-in-vitro-and-rat-achilles-tendon-in-vivo
#2
Y Ueda, A Inui, Y Mifune, R Sakata, T Muto, Y Harada, F Takase, T Kataoka, T Kokubu, R Kuroda
Objectives: The aim of this study was to investigate the effect of hyperglycaemia on oxidative stress markers and inflammatory and matrix gene expression within tendons of normal and diabetic rats and to give insights into the processes involved in tendinopathy. Methods: Using tenocytes from normal Sprague-Dawley rats, cultured both in control and high glucose conditions, reactive oxygen species (ROS) production, cell proliferation, messenger RNA (mRNA) expression of NADPH oxidase (NOX) 1 and 4, interleukin-6 (IL-6), matrix metalloproteinase (MMP)-2, tissue inhibitors of matrix metalloproteinase (TIMP)-1 and -2 and type I and III collagens were determined after 48 and 72 hours in vitro ...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922456/the-biological-response-to-laser-aided-direct-metal-coated-titanium-alloy-ti6al4v
#3
T Shin, D Lim, Y S Kim, S C Kim, W L Jo, Y W Lim
Objectives: Laser-engineered net shaping (LENS) of coated surfaces can overcome the limitations of conventional coating technologies. We compared the in vitro biological response with a titanium plasma spray (TPS)-coated titanium alloy (Ti6Al4V) surface with that of a Ti6Al4V surface coated with titanium using direct metal fabrication (DMF) with 3D printing technologies. Methods: The in vitro ability of human osteoblasts to adhere to TPS-coated Ti6Al4V was compared with DMF-coating...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922455/recall-of-preoperative-oxford-hip-and-knee-scores-one-year-after-arthroplasty-is-an-alternative-and-reliable-technique-when-used-for-a-cohort-of-patients
#4
T F M Yeoman, N D Clement, D Macdonald, M Moran
Objectives: The primary aim of this study was to assess the reproducibility of the recalled preoperative Oxford Hip Score (OHS) and Oxford Knee Score (OKS) one year following arthroplasty for a cohort of patients. The secondary aim was to assess the reliability of a patient's recollection of their own preoperative OHS and OKS one year following surgery. Methods: A total of 335 patients (mean age 72.5; 22 to 92; 53.7% female) undergoing total hip arthroplasty (n = 178) and total knee arthroplasty (n = 157) were prospectively assessed...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922454/use-of-integrative-epigenetic-and-mrna-expression-analyses-to-identify-significantly-changed-genes-and-functional-pathways-in-osteoarthritic-cartilage
#5
A He, Y Ning, Y Wen, Y Cai, K Xu, Y Cai, J Han, L Liu, Y Du, X Liang, P Li, Q Fan, J Hao, X Wang, X Guo, T Ma, F Zhang
Aim: Osteoarthritis (OA) is caused by complex interactions between genetic and environmental factors. Epigenetic mechanisms control the expression of genes and are likely to regulate the OA transcriptome. We performed integrative genomic analyses to define methylation-gene expression relationships in osteoarthritic cartilage. Patients and Methods: Genome-wide DNA methylation profiling of articular cartilage from five patients with OA of the knee and five healthy controls was conducted using the Illumina Infinium HumanMethylation450 BeadChip (Illumina, San Diego, California)...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922453/a-systematic-review-of-surgical-methods-to-restore-articular-cartilage-in-the-hip
#6
W E Hotham, A Malviya
This systematic review examines the current literature regarding surgical techniques for restoring articular cartilage in the hip, from the older microfracture techniques involving perforation to the subchondral bone, to adaptations of this technique using nanofractures and scaffolds. This review discusses the autologous and allograft transfer systems and the autologous matrix-induced chondrogenesis (AMIC) technique, as well as a summary of the previously discussed techniques, which could become common practice for restoring articular cartilage, thus reducing the need for total hip arthroplasty...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922452/the-effect-of-femoral-bone-tunnel-configuration-on-tendon-bone-healing-in-an-anterior-cruciate-ligament-reconstruction-an-animal-study
#7
Y Sato, R Akagi, Y Akatsu, Y Matsuura, S Takahashi, S Yamaguchi, T Enomoto, R Nakagawa, H Hoshi, T Sasaki, S Kimura, Y Ogawa, A Sadamasu, S Ohtori, T Sasho
Objectives: To compare the effect of femoral bone tunnel configuration on tendon-bone healing in an anterior cruciate ligament (ACL) reconstruction animal model. Methods: Anterior cruciate ligament reconstruction using the plantaris tendon as graft material was performed on both knees of 24 rabbits (48 knees) to mimic ACL reconstruction by two different suspensory fixation devices for graft fixation. For the adjustable fixation device model (Socket group; group S), a 5 mm deep socket was created in the lateral femoral condyle (LFC) of the right knee...
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922451/knee-biomechanics-will-we-ever-know-the-truth
#8
N D Clement, D J Deehan
No abstract text is available yet for this article.
May 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922450/tissue-engineering-strategies-for-the-treatment-of-tendon-injuries-a-systematic-review-and-meta-analysis-of-animal-models
#9
D González-Quevedo, I Martínez-Medina, A Campos, F Campos, V Carriel
Objectives: Recently, the field of tissue engineering has made numerous advances towards achieving artificial tendon substitutes with excellent mechanical and histological properties, and has had some promising experimental results. The purpose of this systematic review is to assess the efficacy of tissue engineering in the treatment of tendon injuries. Methods: We searched MEDLINE, Embase, and the Cochrane Library for the time period 1999 to 2016 for trials investigating tissue engineering used to improve tendon healing in animal models...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922449/a-systematic-review-of-the-relationship-between-the-distributions-of-aggrecan-gene-vntr-polymorphism-and-degenerative-disc-disease-osteoarthritis
#10
L Cong, G Tu, D Liang
Objectives: Degenerative disc disease (DDD) and osteoarthritis (OA) are relatively frequent causes of disability amongst the elderly; they constitute serious socioeconomic costs and significantly impair quality of life. Previous studies to date have found that aggrecan variable number of tandem repeats (VNTR) contributes both to DDD and OA. However, current data are not consistent across studies. The purpose of this study was to evaluate systematically the relationship between aggrecan VNTR, and DDD and/or OA...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922448/global-transcriptome-analysis-to-identify-critical-genes-involved-in-the-pathology-of-osteoarthritis
#11
X Zhang, Y Bu, B Zhu, Q Zhao, Z Lv, B Li, J Liu
Objectives: The aim of this study was to identify key pathological genes in osteoarthritis (OA). Methods: We searched and downloaded mRNA expression data from the Gene Expression Omnibus database to identify differentially expressed genes (DEGs) of joint synovial tissues from OA and normal individuals. Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway analyses were used to assess the function of identified DEGs. The protein-protein interaction (PPI) network and transcriptional factors (TFs) regulatory network were used to further explore the function of identified DEGs...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922447/the-influence-of-age-and-osteoporosis-on-bone-marrow-stem-cells-from-rats
#12
A Sanghani-Kerai, L Osagie-Clouard, G Blunn, M Coathup
Objectives: This study aimed to assess the effect of age and osteoporosis on the proliferative and differentiating capacity of bone-marrow-derived mesenchymal stem cells (MSCs) in female rats. We also discuss the role of these factors on expression and migration of cells along the C-X-C chemokine receptor type 4 (CXCR-4) / stromal derived factor 1 (SDF-1) axis. Methods: Mesenchymal stem cells were harvested from the femora of young, adult, and osteopenic Wistar rats...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922446/comparison-of-the-stability-of-three-fixation-techniques-between-porous-metal-acetabular-components-and-augments
#13
N A Beckmann, R G Bitsch, M Gondan, M Schonhoff, S Jaeger
Objectives: In order to address acetabular defects, porous metal revision acetabular components and augments have been developed, which require fixation to each other. The fixation technique that results in the smallest relative movement between the components, as well as its influence on the primary stability with the host bone, have not previously been determined. Methods: A total of 18 composite hemipelvises with a Paprosky IIB defect were implanted using a porous titanium 56 mm multihole acetabular component and 1 cm augment...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922445/high-fat-high-sucrose-diet-induced-obesity-results-in-joint-specific-development-of-osteoarthritis-like-degeneration-in-a-rat-model
#14
K H Collins, D A Hart, R A Seerattan, R A Reimer, W Herzog
Objectives: Metabolic syndrome and low-grade systemic inflammation are associated with knee osteoarthritis (OA), but the relationships between these factors and OA in other synovial joints are unclear. The aim of this study was to determine if a high-fat/high-sucrose (HFS) diet results in OA-like joint damage in the shoulders, knees, and hips of rats after induction of obesity, and to identify potential joint-specific risks for OA-like changes. Methods: A total of 16 male Sprague-Dawley rats were allocated to either the diet-induced obesity group (DIO, 40% fat, 45% sucrose, n = 9) or a chow control diet (n = 7) for 12 weeks...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922444/harnessing-extracellular-vesicles-to-direct-endochondral-repair-of-large-bone-defects
#15
E Ferreira, R M Porter
Large bone defects remain a tremendous clinical challenge. There is growing evidence in support of treatment strategies that direct defect repair through an endochondral route, involving a cartilage intermediate. While culture-expanded stem/progenitor cells are being evaluated for this purpose, these cells would compete with endogenous repair cells for limited oxygen and nutrients within ischaemic defects. Alternatively, it may be possible to employ extracellular vesicles (EVs) secreted by culture-expanded cells for overcoming key bottlenecks to endochondral repair, such as defect vascularization, chondrogenesis, and osseous remodelling...
April 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922443/intraperitoneal-injection-of-the-sirt1-activator-srt1720-attenuates-the-progression-of-experimental-osteoarthritis-in-mice
#16
K Nishida, T Matsushita, K Takayama, T Tanaka, N Miyaji, K Ibaraki, D Araki, N Kanzaki, T Matsumoto, R Kuroda
Objectives: This study aimed to examine the effects of SRT1720, a potent SIRT1 activator, on osteoarthritis (OA) progression using an experimental OA model. Methods: Osteoarthritis was surgically induced by destabilization of the medial meniscus in eight-week-old C57BL/6 male mice. SRT1720 was administered intraperitoneally twice a week after surgery. Osteoarthritis progression was evaluated histologically using the Osteoarthritis Research Society International (OARSI) score at four, eight, 12 and 16 weeks...
March 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922442/comparison-of-pain-behaviour-and-osteoarthritis-progression-between-anterior-cruciate-ligament-transection-and-osteochondral-injury-in-rat-models
#17
T Tawonsawatruk, O Sriwatananukulkit, W Himakhun, W Hemstapat
Objectives: In this study, we compared the pain behaviour and osteoarthritis (OA) progression between anterior cruciate ligament transection (ACLT) and osteochondral injury in surgically-induced OA rat models. Methods: OA was induced in the knee joints of male Wistar rats using transection of the ACL or induction of osteochondral injury. Changes in the percentage of high limb weight distribution (%HLWD) on the operated hind limb were used to determine the pain behaviour in these models...
March 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922441/a-review-of-biomaterials-in-bone-defect-healing-remaining-shortcomings-and-future-opportunities-for-bone-tissue-engineering-the-unsolved-challenge
#18
T Winkler, F A Sass, G N Duda, K Schmidt-Bleek
Despite its intrinsic ability to regenerate form and function after injury, bone tissue can be challenged by a multitude of pathological conditions. While innovative approaches have helped to unravel the cascades of bone healing, this knowledge has so far not improved the clinical outcomes of bone defect treatment. Recent findings have allowed us to gain in-depth knowledge about the physiological conditions and biological principles of bone regeneration. Now it is time to transfer the lessons learned from bone healing to the challenging scenarios in defects and employ innovative technologies to enable biomaterial-based strategies for bone defect healing...
March 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922440/optimal-interference-of-the-tibial-component-of-the-cementless-oxford-unicompartmental-knee-replacement
#19
S Campi, S J Mellon, D Ridley, B Foulke, C A F Dodd, H G Pandit, D W Murray
Objectives: The primary stability of the cementless Oxford Unicompartmental Knee Replacement (OUKR) relies on interference fit (or press fit). Insufficient interference may cause implant loosening, whilst excessive interference could cause bone damage and fracture.The aim of this study was to identify the optimal interference fit by measuring the force required to seat the tibial component of the cementless OUKR (push-in force) and the force required to remove the component (pull-out force)...
March 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29922439/artificial-intelligence-machine-learning-and-the-evolution-of-healthcare-a-bright-future-or-cause-for-concern
#20
L D Jones, D Golan, S A Hanna, M Ramachandran
No abstract text is available yet for this article.
March 2018: Bone & Joint Research
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