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Cartilage development

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https://www.readbyqxmd.com/read/28722504/role-of-tenascin-c-in-articular-cartilage
#1
Masahiro Hasegawa, Toshimichi Yoshida, Akihiro Sudo
Tenascin-C (TN-C) is a glycoprotein component of the extracellular matrix (ECM). TN-C consists of four distinct domains, including the tenascin assembly domain, epidermal growth factor-like repeats, fibronectin type III-like repeats, and the fibrinogen-like globe (FBG) domain. This review summarizes the role of TN-C in articular cartilage. Expression of TN-C is associated with the development of articular cartilage but markedly decreases during maturation of chondrocytes and disappears almost completely in adult articular cartilage...
July 19, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28722301/recent-research-advances-in-selective-matrix-metalloproteinase-13-inhibitors-as-anti-osteoarthritis-agents
#2
REVIEW
Xin-Wen Xie, Ren-Zhong Wan, Zhao-Peng Liu
Matrix metalloproteinase-13 (MMP-13) plays a key role in the degradation of type II collagen in cartilage and bone in osteoarthritis (OA). The subtle differences between the S1' loop of MMP-13 and that of other MMPs offer a structural base for the design of selective MMP-13 inhibitors to mitigate the unperceived risk associated with inhibiting other MMP isoforms. In this review, we summarize zinc-binding and non-zinc-binding selective MMP-13 inhibitors. The zinc-binding MMP-13 inhibitors contain a small set of zinc-binding groups (ZBGs), including hydroxamic acid, pyrimidinetrione, reversed hydroxamic acid and hydantoin, carboxylic acid, 1,2,4,-triazole, and 1,2,4,-triazolone...
July 19, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28721683/mesenchymal-stem-progenitor-cells-derived-from-articular-cartilage-synovial-membrane-and-synovial-fluid-for-cartilage-regeneration-current-status-and-future-perspectives
#3
REVIEW
Yi-Zhou Huang, Hui-Qi Xie, Antonietta Silini, Ornella Parolini, Yi Zhang, Li Deng, Yong-Can Huang
Large articular cartilage defects remain an immense challenge in the field of regenerative medicine because of their poor intrinsic repair capacity. Currently, the available medical interventions can relieve clinical symptoms to some extent, but fail to repair the cartilaginous injuries with authentic hyaline cartilage. There has been a surge of interest in developing cell-based therapies, focused particularly on the use of mesenchymal stem/progenitor cells with or without scaffolds. Mesenchymal stem/progenitor cells are promising graft cells for tissue regeneration, but the most suitable source of cells for cartilage repair remains controversial...
July 18, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28721491/erratum-to-development-of-an-electromechanical-grade-to-assess-human-knee-articular-cartilage-quality
#4
Sotcheadt Sim, Insaf Hadjab, Martin Garon, Eric Quenneville, Patrick Lavigne, Michael D Buschmann
No abstract text is available yet for this article.
July 18, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28719787/in-vivo-performance-of-a-novel-anatomically-shaped-total-meniscal-prosthesis-made-of-polycarbonate-urethane-a-12-month-evaluation-in-goats
#5
Anne C T Vrancken, Gerjon Hannink, Wojciech Madej, Nico Verdonschot, Tony G van Tienen, Pieter Buma
BACKGROUND: Injury or loss of the meniscus generally leads to degenerative osteoarthritic changes in the knee joint. However, the treatment options for symptomatic patients with total meniscectomy are limited. Therefore, we developed a novel, anatomically shaped, total meniscal implant made of polycarbonate urethane. PURPOSE: To evaluate the in vivo performance of this novel total meniscal implant. The assessment particularly focused on the implant's response to long-term physiological loading in a goat model and its chondroprotective capacity in comparison to clinically relevant controls...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28718007/-basic-principles-of-fracture-healing
#6
REVIEW
Valentin Rausch, Dominik Seybold, Matthias Königshausen, Manfred Köller, Thomas A Schildhauer, Jan Geßmann
BACKGROUND: In contrast to other tissues, bone has the remarkable ability to heal without scarring. After union of the fracture, the remodeled bone ideally does not differ from the original bone, especially in terms of biomechanical properties. The healing of a fracture resembles the embryonic development of bone. Depending on the biomechanical properties of the fracture, bone heals directly or indirectly, which refers to the formation of cartilage as a step before new bone appears...
July 17, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28717963/the-role-of-multislice-computed-tomography-of-the-costal-cartilage-in-adult-age-estimation
#7
Kui Zhang, Fei Fan, Meng Tu, Jing-Hui Cui, Jing-Song Li, Zhao Peng, Zhen-Hua Deng
To establish population-specific age estimation models in adults from costal cartilage for contemporary Chinese by using three-dimensional volume-rendering technique. Five hundred and twelve individuals (254 females and 258 males) with documented ages between 20 and 85 years were retrospectively included. Their clinical CT examinations (1 mm slice thickness) were used to develop the sex-specific age prediction model. A validation sample comprising 26 female and 24 male individuals was then used to test the predictive accuracy of the established models...
July 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28716756/cartilage-specific-deletion-of-alk5-gene-results-in-a-progressive-osteoarthritis-like-phenotype-in-mice
#8
Quan Wang, Qiaoyan Tan, Wei Xu, Huabing Qi, Di Chen, Siru Zhou, Zhenhong Ni, Liang Kuang, Jingyuan Guo, Junlan Huang, Xianxing Wang, Zuqiang Wang, Nan Su, Liang Chen, Bo Chen, Wanling Jiang, Yu Gao, Hangang Chen, Xiaolan Du, Yangli Xie, Lin Chen
OBJECTIVE: Previous studies have shown that Transforming growth factor-β (TGF-β)/TGFβRII-Smad3 signaling is involved in articular cartilage homeostasis. However, the role of TGF-β/ALK5 signaling in articular cartilage homeostasis has not been fully defined. In this study, a combination of in vitro and in vivo approaches was used to elucidate the role of ALK5 signaling in articular cartilage homeostasis and the development of osteoarthritis (OA). DESIGN: Mice with inducible cartilage-specific deletion of Alk5 were generated to assess the role of ALK5 in OA development...
July 14, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28716681/mri-magic-angle-effect-in-femorotibial-cartilages-of-the-red-kangaroo
#9
Tonima S Ali, Namal Thibbotuwawa, YuanTong Gu, Konstantin I Momot
OBJECTIVE: Kangaroo knee cartilages are robust tissues that can support knee flexion and endure high levels of compressive stress. This study aimed to develop a detailed understanding of the collagen architecture in kangaroo knee cartilages and thus obtain insights into the biophysical basis of their function. DESIGN: Cylindrical/square plugs from femoral and tibial hyaline cartilage and tibial fibrocartilage were excised from the knees of three adult red kangaroos...
July 14, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28715414/kinesin-1-promotes-chondrocyte-maintenance-during-skeletal-morphogenesis
#10
Adrian Santos-Ledo, Marina Garcia-Macia, Philip D Campbell, Marta Gronska, Florence L Marlow
During skeletal morphogenesis diverse mechanisms are used to support bone formation. This can be seen in the bones that require a cartilage template for their development. In mammals the cartilage template is removed, but in zebrafish the cartilage template persists and the bone mineralizes around the cartilage scaffold. Remodeling of unmineralized cartilage occurs via planar cell polarity (PCP) mediated cell rearrangements that contribute to lengthening of elements; however, the mechanisms that maintain the chondrocyte template that supports perichondral ossification remain unclear...
July 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28715376/a-rat-tibial-growth-plate-injury-model-to-characterize-repair-mechanisms-and-evaluate-growth-plate-regeneration-strategies
#11
Christopher B Erickson, Nichole Shaw, Nancy Hadley-Miller, Michael S Riederer, Melissa D Krebs, Karin A Payne
A third of all pediatric fractures involve the growth plate and can result in impaired bone growth. The growth plate (or physis) is cartilage tissue found at the end of all long bones in children that is responsible for longitudinal bone growth. Once damaged, cartilage tissue within the growth plate can undergo premature ossification and lead to unwanted bony repair tissue, which forms a "bony bar." In some cases, this bony bar can result in bone growth deformities, such as angular deformities, or it can completely halt longitudinal bone growth...
July 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28714498/chondrodysplasia-punctata-a-case-report-of-fetal-warfarin-syndrome
#12
S Songmen, O B Panta, S S Paudel, R K Ghimire
Chondrodysplasia punctata is abnormal calcification in the cartilage of developing bones and has been seen in association with deranged vitamin K metabolism. Warfarin, an oral anticoagulant acting on vitamin K dependent clotting factors is known to cause chondrodysplasia punctata. Despite the knowledge of the condition the management of patients with prosthetic heart valves might require use of the drug for anticoagulation. Here, we present a case of a fetal warfarin syndrome in a second born child of a 27 year lady under warfarin for prosthetic heart valve...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28714008/astragaloside-iv-protects-against-apoptosis-in-human-degenerative-chondrocytes-through-autophagy-activation
#13
Jianhong Liu, Qinggang Meng, Hanguang Jing, Sheng Zhou
Increased cell apoptosis in chondrocytes is a feature of degenerative cartilage. Astragaloside IV (AST) has been proven to possess an antiarthritic effect by preventing interleukin (IL)‑1β‑induced cartilage damage. However, the role of AST on chondrocyte apoptosis and its underlying mechanism remains unknown. In the present study, degenerative chondrocytes isolated from patients with osteoarthritis (OA) were subjected to AST and IL‑1β treatment. Results indicated that AST protected against chondrocyte apoptosis induced by IL‑1β...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713485/micrornas-and-autophagy-fine-players-in-the-control-of-chondrocyte-homeostatic-activities-in-osteoarthritis
#14
REVIEW
Stefania D'Adamo, Silvia Cetrullo, Manuela Minguzzi, Ylenia Silvestri, Rosa Maria Borzì, Flavio Flamigni
Osteoarthritis (OA) is a debilitating degenerative disease of the articular cartilage with a multifactorial etiology. Aging, the main risk factor for OA development, is associated with a systemic oxidative and inflammatory phenotype. Autophagy is a central housekeeping system that plays an antiaging role by supporting the clearance of senescence-associated alterations of macromolecules and organelles. Autophagy deficiency has been related to OA pathogenesis because of the accumulation of cellular defects in chondrocytes...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28711880/the-relationship-between-synovial-pathobiology-and-magnetic-resonance-imaging-abnormalities-in-rheumatoid-arthritis-a-systematic-review
#15
Frances Humby, Arti Mahto, Muaaze Ahmed, Andrew Barr, Stephen Kelly, Maya Buch, Costantino Pitzalis, Philip G Conaghan
OBJECTIVE: Magnetic resonance imaging (MRI) has been increasingly recognized as a critical tool for the assessment of patients with rheumatoid arthritis (RA) and is able to reliably identify synovitis, bone marrow edema, bone erosion, and joint space narrowing (JSN)/cartilage loss. Understanding the exact relationship between each MRI feature and local synovial pathobiology is critical to dissect disease pathogenesis as well as develop future predictive models. METHODS: A systematic review was performed of the current published literature examining the relationship between MRI abnormalities and synovial pathobiology in patients with RA...
July 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28710591/effect-of-dietary-phytase-supplementation-on-bone-and-hyaline-cartilage-development-of-broilers-fed-with-organically-complexed-copper-in-a-cu-deficient-diet
#16
Siemowit Muszyński, Ewa Tomaszewska, Małgorzata Kwiecień, Piotr Dobrowolski, Agnieszka Tomczyk
Tibial mechanical, chemical, and histomorphometrical traits were investigated for growing male Ross 308 broiler chickens fed diets that had copper (Cu) from organic source at a lowered level of 25% of the daily requirement (4 mg kg(-1) of a premix) with or without phytase. Dietary treatments were control non-copper, non-phytase group (0 Suppl); 4 mg kg(-1) Cu non-phytase group (25%Cu); and 4 mg kg(-1) Cu + 500 FTU kg(-1) phytase group (25%Cu + phyt). The results show that birds fed with the addition of phytase exhibited improved weight gain and final body weight and had increased serum IGF-1 and osteocalcin concentrations...
July 15, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28709984/micrometer-scale-guidance-of-mesenchymal-stem-cells-to-form-structurally-oriented-large-scale-tissue-engineered-cartilage
#17
Chih-Ling Chou, Alexander L Rivera, Valencia Williams, Jean F Welter, Joseph M Mansour, Judith A Drazba, Takao Sakai, Harihara Baskaran
Current clinical methods to treat articular cartilage lesions provide temporary relief of the symptoms but fail to permanently restore the damaged tissue. Tissue engineering, using mesenchymal stem cells (MSCs) combined with scaffolds and bioactive factors, is viewed as a promising method for repairing cartilage injuries. However, current tissue engineered constructs display inferior mechanical properties compared to native articular cartilage, which could be attributed to the lack of structural organization of the extracellular matrix (ECM) of these engineered constructs in comparison to the highly oriented structure of articular cartilage ECM...
July 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28708642/a-novel-rhinoplasty-sculpture-technique-using-ancient-chinese-architectural-technology
#18
Melia Bogari, Andy Tan, Li Lin, Zin Mar Aung, Yu Xin, Haisong Xu, Gang Chai, Yan Zhang
Rhinoplasty is one of the most delicate procedures in plastic and reconstructive surgery. Precision in every millimeter is vital in ensuring a better quality of surgical outcome. Many methods have been developed to fulfill this requirement. One such method is an implant, whether autogenous or artificial. Artificial implants involve several surgical complications, such as recipient rejection of implant material, infections, and rigid feel of the nasal tip. Hence, autogenous implants were eventually more widely applied, with material being obtained from the septum, concha, or rib cartilages...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28708257/aquaporin1-and-3-modification-as-a-result-of-chondrogenic-differentiation-of-human-mesenchymal-stem-cell
#19
Adriana Carol Eleonora Graziano, Rosanna Avola, Giovanna Pannuzzo, Venera Cardile
Chondrocytes are cells of articular cartilage particularly sensitive to water transport and ionic and osmotic changes from extracellular environment and responsible for the production of the synovial fluid. Aquaporins (AQPs) are a family of water and small solute transport channel proteins identified in several tissues, involved in physiological pathways and in manifold human diseases. In a recent period, AQP1 and 3 seem to have a role in metabolic water regulation in articular cartilage of load bearing joints...
July 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28707530/cartilage-quantification-using-contrast-enhanced-mri-in-the-wrist-of-rheumatoid-arthritis-cartilage-loss-is-associated-with-bone-marrow-edema
#20
Motoshi Fujimori, Satoko Nakamura, Kiminori Hasegawa, Kunihiro Ikeno, Shota Ichikawa, Kenneth Sutherland, Tamotsu Kamishima
OBJECTIVES: To quantify wrist cartilage using contrast MRI and compare with the extent of adjacent synovitis and BME in patients with RA. METHODS: Eighteen patients with RA underwent post-contrast fat-suppressed T1- weighted coronal imaging. Cartilage area at the center of the scaphoid-capitate (SC) and radius-scaphoid (RS) joints was measured by in-house developed software. We defined cartilage as the pixels with signal intensity between two thresholds (lower: 0...
July 14, 2017: British Journal of Radiology
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