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Cartilage biology

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https://www.readbyqxmd.com/read/28102734/fibroblast-like-synoviocytes-dependent-effector-molecules-as-a-critical-mediator-for-rheumatoid-arthritis-current-status-and-future-directions
#1
Ramamoorthi Ganesan, Mahaboobkhan Rasool
Rheumatoid arthritis (RA) is a systemic-autoimmune-mediated disease characterized by synovial hyperplasia and progressive destruction of joint. Currently available biological agents and inhibitor therapy that specifically target tumor necrosis factor-α, interleukin 1β (IL-1β), IL-6, T cells, B cells, and subcellular molecules (p38 mitogen-activated protein kinase and janus kinase) cannot facilitate complete remission in all patients and are unable to cure the disease. Therefore, further potent therapeutic targets need to be identified for effective treatment and successful clinical outcomes in patients with RA...
January 19, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28100422/osteoarthritis-year-in-review-2016-genetics-genomics-and-epigenetics
#2
REVIEW
J B J van Meurs
The purpose of this narrative review is to provide an overview of last year's publications in the field of genetics, genomics and epigenetics in the osteoarthritis (OA) field. Major themes arising from a Pubmed search on (epi)genetics in OA were identified. In addition, general developments in the fast evolving field of (epi)genetics are reviewed and relevance for the OA field is summarized. In the last 5 years, a number of genome-wide association studies have identified a modest number of genetic loci associated to OA...
December 22, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28100421/osteoarthritis-year-in-review-2016-biology
#3
REVIEW
E N Blaney Davidson, A P M van Caam, P M van der Kraan
This review highlights a selection of literature in the area of osteoarthritis biology published between the 2015 and 2016 Osteoarthritis Research Society International (OARSI) World Congress. Highlights were selected from a pubmed search covering cartilage, bone, inflammation and pain. A personal selection was made based, amongst other things, on topics presented during the 2015 conference. This covers circadian rhythm, TGF-β signaling, autophagy, SIRT6, exercise, lubricin, TLR's, pain and NGF. Furthermore, in this review we have made an effort to connect these seemingly distant topics into one scheme of connections between them, revealing a theoretical big picture underneath...
December 17, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28097087/identification-of-the-vascular-endothelial-growth-factor-signalling-pathway-by-quantitative-proteomic-analysis-of-rat-condylar-cartilage
#4
Liting Jiang, Yinyin Xie, Li Wei, Qi Zhou, Xing Shen, Xinquan Jiang, Yiming Gao
Angiogenesis mediated by vascular endothelial growth factor (VEGF) is known to play an important role in regulating cartilage remodelling and endochondral ossification. However, the details of how VEGF signalling mechanisms affect condyle remodelling in response to alterations in functional loading remains unclear. To explore this, eighty 16-day-old male SD rats were divided into two equal groups which were fed either a soft/powdery diet or a hard diet for 4 weeks; the stiffness of the diet results in alteration of mastication force and hence temporomandibular joint (TMJ) development...
January 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28093371/sonographically-guided-knee-meniscus-injections-feasibility-techniques-and-validation
#5
Michael R Baria, Jacob L Sellon, Dan Lueders, Jay Smith
BACKGROUND: There is a growing interest in the use of biologic agents such as platelet-rich plasma and mesenchymal stem/stromal cells to treat musculoskeletal injuries, including meniscal tears. Although prior research has documented the role of diagnostic ultrasound to evaluate meniscal tears, sonographically guided (SG) techniques to specifically deliver therapeutic agents into the meniscus have not been described. OBJECTIVE: To describe and validate SG injection techniques for the body and posterior horn of the medial and lateral meniscus...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28088667/cell-laden-hydrogels-for-osteochondral-and-cartilage-tissue-engineering
#6
REVIEW
Jingzhou Yang, Yu Shrike Zhang, Kan Yue, Ali Khademhosseini
: Despite tremendous advances in the field of regenerative medicine, it still remains challenging to repair the osteochondral interface and full-thickness articular cartilage defects. This inefficiency largely originates from the lack of appropriate tissue engineered artificial matrices that can replace the damaged regions and promote tissue regeneration. Hydrogels are emerging as a promising class of biomaterials for both soft and hard tissue regeneration. Many critical properties of hydrogels, such as mechanical stiffness, elasticity, water content, bioactivity, and degradation, can be rationally designed and conveniently tuned by proper selection of the material and chemistry...
January 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28087486/enhanced-articular-cartilage-by-human-mesenchymal-stem-cells-in-enzymatically-mediated-transiently-rgds-functionalized-collagen-mimetic-hydrogels
#7
Paresh A Parmar, Jean-Philippe St-Pierre, Lesley W Chow, Christopher D Spicer, Violet Stoichevska, Yong Y Peng, Jerome A Werkmeister, John A M Ramshaw, Molly M Stevens
: Recapitulation of the articular cartilage microenvironment for regenerative medicine applications faces significant challenges due to the complex and dynamic biochemical and biomechanical nature of native tissue. Towards the goal of biomaterial designs that enable the temporal presentation of bioactive sequences, recombinant bacterial collagens such as Streptococcal collagen-like 2 (Scl2) proteins can be employed to incorporate multiple specific bioactive and biodegradable peptide motifs into a single construct...
January 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28079507/do-micrornas-have-a-key-epigenetic-role-in-osteoarthritis-and-in-mechanotransduction
#8
REVIEW
Anna De Palma, Sara Cheleschi, Nicola Antonio Pascarelli, Sara Tenti, Mauro Galeazzi, Antonella Fioravanti
Osteoarthritis (OA) is the most common degenerative disease affecting joint tissues. The pathogenesis of OA is complex and poorly understood, as well as the multiple factors contributing to its development and progression. Accumulating evidence has suggested that microRNAs (miRNAs) play an important role as regulators of cartilage biology and in the pathogenesis of OA. It has been demonstrated that mechanical loading, important for the regulation of cartilage metabolism, affects miRNAs expression. Furthermore, miRNAs present in human plasma and in synovial fluid could represent promising biological markers for OA...
January 4, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28069163/sub-critical-impact-inhibits-the-lubricating-mechanisms-of-articular-cartilage
#9
Edward D Bonnevie, Michelle L Delco, Devis Galesso, Cynthia Secchieri, Lisa A Fortier, Lawrence J Bonassar
Although post-traumatic osteoarthritis accounts for a significant proportion of all osteoarthritis, the understanding of both biological and mechanical phenomena that lead to cartilage degeneration in the years to decades after trauma is still lacking. In this study, we evaluate how cartilage lubrication is altered after a sub-critical impact (i.e., an impact to the cartilage surface that produces surface cracking but not full thickness fissuring). Through utilizing a Stribeck-like framework, the elastoviscous transition, we evaluated changes to both the innate boundary lubricating ability of cartilage after impact and also the effectiveness of high viscosity lubricants to lower friction after impact...
December 29, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28064033/altered-gait-mechanics-and-elevated-serum-pro-inflammatory-cytokines-in-asymptomatic-patients-with-mri-evidence-of-knee-cartilage-loss
#10
Shannon N Edd, Julien Favre, Katerina Blazek, Patrick Omoumi, Jessica L Asay, Thomas P Andriacchi
OBJECTIVE: To test if sagittal plane gait mechanics parameters and serum inflammation levels differ between healthy asymptomatic subjects and asymptomatic subjects with magnetic resonance imaging (MRI) evidence of cartilage loss. DESIGN: Gait mechanics and resting serum tumor necrosis factor-α (TNFα) concentrations were measured for two groups of asymptomatic subjects recruited for a previous study: Pre-Osteoarthritis (OA) subjects had MRI evidence of partial- or full-thickness knee cartilage loss in at least one compartment (n=52 (30 female), 1...
January 4, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28063220/biological-roles-of-glial-fibrillary-acidic-protein-as-a-biomarker-in-cartilage-regenerative-medicine
#11
Sanshiro Kanazawa, Satoru Nishizawa, Tsuyoshi Takato, Kazuto Hoshi
Glial fibrillary acidic protein (GFAP) is an intermediate filament that is expressed in specifically expressed auricular chondrocytes, which are good cell sources of cartilage regenerative medicine. Although our group uses GFAP as a biomarker of matrix production in the cultured auricular chondrocytes, the biological roles of GFAP in auricular chondrocytes has remained unknown. In this study, we demonstrated the biological functions of GFAP in the human and mouse derived auricles to clarify the significance and role with the chondrocytes of GFAP in order to provide useful information for reliable and safe regenerative medicine...
January 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28062353/indentation-across-interfaces-between-stiff-and-compliant-tissues
#12
Oliver E Armitage, Michelle L Oyen
Bone-tendon, bone-ligament and bone-cartilage junctions are multi-tissue interfaces that connect materials that differ by two orders of magnitude in mechanical properties, via gradual variations in mineral content and matrix composition. These sites mediate load transfer between highly dissimilar materials and are consequently a primary site of injury during orthopedic failure. Given the large incidence rate and the lack of suitable surgical solutions for their regeneration or repair, characterization of their natural structure and subsequent replication through tissue engineering is important...
January 3, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28033256/identified-molecular-mechanism-of-interaction-between-environmental-risk-factors-and-differential-expression-genes-in-cartilage-of-kashin-beck-disease
#13
Fang-Fang Yu, Yan-Xiang Zhang, Lian-He Zhang, Wen-Rong Li, Xiong Guo, Mikko J Lammi
As environmental risk factors (ERFs) play an important role in the pathogenesis of Kashin-Beck disease (KBD), it is important to identify the interaction between ERFs and differentially expression genes (DEGs) in KBD. The environmental response genes (ERGs) were analyzed in cartilage of KBD in comparison to normal controls.We searched 5 English and 3 Chinese databases from inception to September 2015, to identify case-control studies that examined ERFs for KBD using integrative meta-analysis and systematic review...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28025555/synthesis-biological-evaluation-and-docking-studies-of-a-novel-sulfonamido-based-gallate-as-pro-chondrogenic-agent-for-the-treatment-of-cartilage
#14
Xiao Lin, Ling Chai, Buming Liu, Hailan Chen, Li Zheng, Qin Liu, Cuiwu Lin
Gallic acid (GA) and its derivatives are anti-inflammatory agents and are reported to have potent effects on Osteoarthritis (OA) treatment. Nonetheless, it is generally accepted that the therapeutic effect and biocompatibility of GA is much weaker than its esters due to the high hydrophilicity. The therapeutic effect of GA on OA could be improved if certain structural modifications were made to increase its hydrophobicity. In this study, a novel sulfonamido-based gallate was synthesized by bonding sulfonamide with GA, and its biological evaluations on OA were investigated...
December 23, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28007307/human-based-biological-and-biomimetic-autologous-therapies-for-musculoskeletal-tissue-regeneration
#15
REVIEW
Sabino Padilla, Mikel Sánchez, Gorka Orive, Eduardo Anitua
Repairing and regenerating damaged musculoskeletal tissues is one of the greatest challenges in regenerative medicine. Blood contains the essential ingredients to biologically engineer drug delivery devices that provide spatiotemporal control over the availability of a wide range of autologous agents, including small molecules, cytokines, and growth factors. This opinion article summarizes our current knowledge of blood-derived biological drug delivery therapies. The potential mechanisms that control protein release are discussed, along with the biological rationale and effects of their use in different relevant musculoskeletal tissues, including articular cartilage, bone, tendon, muscle, and nerve tissue injuries...
December 19, 2016: Trends in Biotechnology
https://www.readbyqxmd.com/read/28000839/il-1%C3%AE-impedes-the-chondrogenic-differentiation-of-synovial-fluid-mesenchymal-stem-cells-in-the-human-temporomandibular-joint
#16
Wenjing Liu, Yangpeng Sun, Yiqing He, Hong Zhang, Youhua Zheng, Yu Yao, Zhiguang Zhang
Mesenchymal stem cell-based therapy has great therapeutic potential for temporomandibular joint (TMJ) cartilage repair. However, the behavior of mesenchymal stem cells in the inflammatory milieu following their delivery remains poorly understood. Synovial fluid-derived mesenchymal stem cells (SFMSCs) are a promising resource for TMJ cartilage repair, as they are easily obtained from patients with TMJ disorders (TMD). In this study, we obtained SFMSCs from patients with TMD and expanded them in vitro; we then stimulated the cells with interleukin (IL)‑8, IL-1β, IL-6, IL-10, tumor necrosis factor (TNF)-α and IL-12p...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27999474/giant-cell-tumor-a-rare-condition-in-the-immature-skeleton-a-retrospective-study-of-symptoms-treatment-and-outcome-in-16-children
#17
Thale M Asp Strøm, Anette Torød Skeie, Ingvild Koren Lobmaier, Olga Zaikova
Background. Pediatric giant cell tumor (GCT) of bone is rare and the course of the disease in the immature skeleton is sparsely described. We performed a retrospective study addressing symptoms, treatment, and outcome in children with GCT. Methods. Review of medical records and images of patients with GCT. Patients were detected from our hospital prospective database and those with open epiphyseal cartilages were included. Results. 16 children (75% girls) from 6 to 15 years old were identified. Eight lesions (50%) were in long bones and 4 (25%) in flat bones...
2016: Sarcoma
https://www.readbyqxmd.com/read/27998240/superparamagnetic-iron-oxide-nanoparticles-in-musculoskeletal-biology
#18
Shama R Iyer, Su Xu, Joseph P Stains, Craig H Bennett, Richard M Lovering
The use of platelet-rich plasma and mesenchymal stem cells has garnered much attention in orthopedic medicine, focusing on the biological aspects of cell function. However, shortly after systemic delivery, or even a local injection, few of the transplanted stem cells or platelets remain at the target site. Improvement in delivery, and the ability to track and monitor injected cells, would greatly improve clinical translation. Nanoparticles can effectively and quickly label most cells in vitro, and evidence to date suggests such labeling does not compromise the proliferation or differentiation of cells...
January 11, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27994717/evaluation-and-management-of-osteochondral-lesions-of-the-talus
#19
REVIEW
Christopher A Looze, Jason Capo, Michael K Ryan, John P Begly, Cary Chapman, David Swanson, Brian C Singh, Eric J Strauss
Osteochondral lesions of the talus are common injuries that affect a wide variety of active patients. The majority of these lesions are associated with ankle sprains and fractures though several nontraumatic etiologies have also been recognized. Patients normally present with a history of prior ankle injury and/or instability. In addition to standard ankle radiographs, magnetic resonance imaging and computed tomography are used to characterize the extent of the lesion and involvement of the subchondral bone...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27994716/peculiarities-in-ankle-cartilage
#20
REVIEW
Matthew J Kraeutler, Tanyaporn Kaenkumchorn, Cecilia Pascual-Garrido, Markus A Wimmer, Susanna Chubinskaya
Posttraumatic osteoarthritis (PTOA) is the most common form of osteoarthritis (OA) of the ankle joint. PTOA occurs as a result of several factors, including the poor regenerative capacity of hyaline articular cartilage as well as increased contact stresses following trauma. The purpose of this article is to review the epidemiology, pathogenesis, and potential targets for treatment of PTOA in the ankle joint. Previous reviews primarily addressed clinical approaches to ankle PTOA, while the focus of the current article will be specifically on the newly acquired knowledge of the cellular mechanisms that drive PTOA in the ankle joint and means for potential targeted therapeutics that might halt the progression of cartilage degeneration and/or improve the outcome of surgical interventions...
January 2017: Cartilage
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