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https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#1
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28203597/intra-articular-implantation-of-mesenchymal-stem-cells-part-1-a-review-of-the-literature-for-prevention-of-postmeniscectomy-osteoarthritis
#2
Matthew J Kraeutler, Justin J Mitchell, Jorge Chahla, Eric C McCarty, Cecilia Pascual-Garrido
Osteoarthritis (OA) after a partial or total meniscectomy procedure is a common pathology. Because of the high incidence of meniscectomy in the general population, as well as the significant burden of knee OA, there is increasing interest in determining methods for delaying postmeniscectomy OA. Biological therapies, including mesenchymal stem cells (MSCs), induced pluripotent stem cells (iPSCs), and platelet-rich plasma (PRP), have been proposed as possible therapies that could delay OA in this and other settings...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203596/intra-articular-implantation-of-mesenchymal-stem-cells-part-2-a-review-of-the-literature-for-meniscal-regeneration
#3
Matthew J Kraeutler, Justin J Mitchell, Jorge Chahla, Eric C McCarty, Cecilia Pascual-Garrido
Knee osteoarthritis (OA) after partial or total meniscectomy is a prevalent issue that patients must face. Various methods of replacing meniscal tissue have been studied to avoid this progression, including meniscal allograft transplantation, meniscal scaffolds, and synthetic meniscus replacement. Studies have shown that meniscal scaffolds may improve symptoms but have not been shown to prevent progression of OA. Recently, mesenchymal stem cells (MSCs) have been proposed as a possible biological therapy for meniscal regeneration...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197017/characterization-and-therapeutic-application-of-canine-adipose-mesenchymal-stem-cells-to-treat-elbow-osteoarthritis
#4
Éva Kriston-Pál, Ágnes Czibula, Zoltán Gyuris, Gyula Balka, Antal Seregi, Farkas Sükösd, Miklós Süth, Endre Kiss-Tóth, Lajos Haracska, Ferenc Uher, Éva Monostori
Visceral adipose tissue (AT) obtained from surgical waste during routine ovariectomies was used as a source for isolating canine mesenchymal stem cells (MSCs). As determined by cytofluorimetry, passage 2 cells expressed MSC markers CD44 and CD90 and were negative for lineage-specific markers CD34 and CD45. The cells differentiated toward osteogenic, adipogenic, and chondrogenic directions. With therapeutic aims, 30 dogs (39 joints) suffering from elbow dysplasia (ED) and osteoarthritis (OA) were intra-articularly transplanted with allogeneic MSCs suspended in 0...
January 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28193542/sulfated-hyaluronic-acid-hydrogels-with-retarded-degradation-and-enhanced-growth-factor-retention-promote-hmsc-chondrogenesis-and-articular-cartilage-integrity-with-reduced-hypertrophy
#5
Qian Feng, Sien Lin, Kunyu Zhang, Chaoqun Dong, Tianyi Wu, Heqin Huang, Xiaohui Yan, Li Zhang, Gang Li, Liming Bian
: Recently, hyaluronic acid (HA) hydrogels have been extensively researched for delivering cells and drugs to repair damaged tissues, particularly articular cartilage. However, the in vivo degradation of HA is fast, thus limiting the clinical translation of HA hydrogels. Furthermore, HA cannot bind proteins with high affinity because of the lack of negatively charged sulfate groups. In this study, we conjugated sulfate groups to HA. These sulfated HA exhibit significantly slower degradation by hyaluronidase compared to the wild type HA...
February 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28191757/cartilage-regeneration-in-osteoarthritic-patients-by-a-composite-of-allogeneic-umbilical-cord-blood-derived-mesenchymal-stem-cells-and-hyaluronate-hydrogel-results-from-a-clinical-trial-for-safety-and-proof-of-concept-with-7-years-of-extended-follow-up
#6
Yong-Beom Park, Chul-Won Ha, Choong-Hee Lee, Young Cheol Yoon, Yong-Geun Park
Few methods are available to regenerate articular cartilage defects in patients with osteoarthritis. We aimed to assess the safety and efficacy of articular cartilage regeneration by a novel medicinal product composed of allogeneic human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs). Patients with Kellgren-Lawrence grade 3 osteoarthritis and International Cartilage Repair Society (ICRS) grade 4 cartilage defects were enrolled in this clinical trial. The stem cell-based medicinal product (a composite of culture-expanded allogeneic hUCB-MSCs and hyaluronic acid hydrogel [Cartistem]) was applied to the lesion site...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28188861/functions-of-rho-family-of-small-gtpases-and-rho-associated-coiled-coil-kinases-in-bone-cells-during-differentiation-and-mineralization
#7
REVIEW
Agnieszka Strzelecka-Kiliszek, Saida Mebarek, Monika Roszkowska, René Buchet, David Magne, Slawomir Pikula
BACKGROUND: Members of Rho-associated coiled-coil kinases (ROCKs) are effectors of Rho family of small GTPases. ROCKs have multiple functions that include regulation of cellular contraction and polarity, adhesion, motility, proliferation, apoptosis, differentiation, maturation and remodeling of the extracellular matrix (ECM). SCOPE OF THE REVIEW: Here, we focus on the action of RhoA and RhoA effectors, ROCK1 and ROCK2, in cells related to tissue mineralization: mesenchymal stem cells, chondrocytes, pre-osteoblasts, osteoblasts, osteocytes, lining cells and osteoclasts...
February 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28186682/repair-of-torn-avascular-meniscal-cartilage-using-undifferentiated-autologous-mesenchymal-stem-cells-from-in-vitro-optimization-to-a-first-in-human-study
#8
Michael R Whitehouse, Nicholas R Howells, Michael C Parry, Eric Austin, Wael Kafienah, Kyla Brady, Allen E Goodship, Jonathan D Eldridge, Ashley W Blom, Anthony P Hollander
Meniscal cartilage tears are common and predispose to osteoarthritis (OA). Most occur in the avascular portion of the meniscus where current repair techniques usually fail. We described previously the use of undifferentiated autologous mesenchymal stem cells (MSCs) seeded onto a collagen scaffold (MSC/collagen-scaffold) to integrate meniscal tissues in vitro. Our objective was to translate this method into a cell therapy for patients with torn meniscus, with the long-term goal of delaying or preventing the onset of OA...
December 15, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28177194/concise-review-mesenchymal-stem-cells-for-functional-cartilage-tissue-engineering-taking-cues-from-chondrocyte-based-constructs
#9
Andrea R Tan, Clark T Hung
Osteoarthritis, the most prevalent form of joint disease, afflicts 9% of the U.S. population over the age of 30 and costs the economy nearly $100 billion annually in healthcare and socioeconomic costs. It is characterized by joint pain and dysfunction, though the pathophysiology remains largely unknown. Due to its avascular nature and limited cellularity, articular cartilage exhibits a poor intrinsic healing response following injury. As such, significant research efforts are aimed at producing engineered cartilage as a cell-based approach for articular cartilage repair...
February 8, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28170179/comparative-clinical-observation-of-arthroscopic-microfracture-in-the-presence-and-absence-of-a-stromal-vascular-fraction-injection-for-osteoarthritis
#10
Phu Dinh Nguyen, Tung Dang-Xuan Tran, Huynh Ton-Ngoc Nguyen, Hieu Trung Vu, Phuong Thi-Bich Le, Nhan Lu-Chinh Phan, Ngoc Bich Vu, Ngoc Kim Phan, Phuc Van Pham
Osteoarthritis (OA) is a degenerative cartilage disease that is characterized by a local inflammatory reaction. Consequently, many studies have been performed to identify suitable prevention and treatment interventions. In recent years, both arthroscopic microfracture (AM) and stem cell therapy have been used clinically to treat OA. This study aimed to evaluate the clinical effects of AM in the presence and absence of a stromal vascular fraction (SVF) injection in the management of patients with OA. Thirty patients with grade 2 or 3 (Lawrence scale) OA of the knee participated in this study...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28154888/permanent-knee-sensorimotor-system-changes-following-acl-injury-and-surgery
#11
John Nyland, Collin Gamble, Tiffany Franklin, David N M Caborn
The cruciate ligaments are components of the knee capsuloligamentous system providing vital neurosensory and biomechanical function. Since most historical primary ACL repair attempts were unsuccessful, reconstruction has become the preferred surgery. However, an increased understanding of the efficacy of lesion-site scaffolding, innovative suturing methods and materials, and evolving use of biological healing mediators such as platelet-rich plasma and stem cells has prompted reconsideration of what was once believed to be impossible...
February 2, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28144608/the-current-perspectives-of-stem-cell-therapy-in-orthopedic-surgery
#12
REVIEW
Serkan Akpancar, Oner Tatar, Hasan Turgut, Faruk Akyildiz, Safak Ekinci
CONTEXT: Musculoskeletal injuries may be painful, troublesome, life limiting and also one of the global health problems. There has been considerable amount of interest during the past two decades to stem cells and tissue engineering techniques in orthopedic surgery, especially to manage special and compulsive injuries within the musculoskeletal system. EVIDENCE ACQUISITION: The aim of this study was to present a literature review regarding the most recent progress in stem cell procedures and current indications in orthopedics clinical care practice...
December 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/28143470/current-use-of-autologous-adipose-tissue-derived-stromal-vascular-fraction-cells-for-orthopedic-applications
#13
REVIEW
Jaewoo Pak, Jung Hun Lee, Kwang Seung Park, Moonhee Park, Lin-Woo Kang, Sang Hee Lee
Autologous adipose stromal vascular fractions (SVFs) containing adipose tissue-derived stem cells (ASCs) are currently being used in clinical settings for various orthopedic applications for human patients. Due to its potential capability of regenerating cartilage, bone, and tendons, autologous adipose SVFs are being tried in treating patients with osteoarthritis (OA), chondromalacia, meniscus tear, osteonecrosis of the femoral head, and tendon injuries. Here, we have reviewed available human clinical studies with regard to patient applications of autologous adipose SVF containing ASCs, specifically assessing effectiveness and safety in the field of orthopedic disorders...
January 31, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28133485/adipose-derived-stem-cells-cocultured-with-chondrocytes-promote-the-proliferation-of-chondrocytes
#14
Jie Shi, Jiulong Liang, Bingyu Guo, Yu Zhang, Qiang Hui, Peng Chang, Kai Tao
Articular cartilage injury and defect caused by trauma and chronic osteoarthritis vascularity are very common, while the repair of injured cartilage remains a great challenge due to its limited healing capacity. Stem cell-based tissue engineering provides a promising treatment option for injured articular cartilage because of the cells potential for multiple differentiations. However, its application has been largely limited by stem cell type, number, source, proliferation, and differentiation. We hypothesized that (1) adipose-derived stem cells are ideal seed cells for articular cartilage repair because of their accessibility and abundance and (2) the microenvironment of articular cartilage could induce adipose-derived stem cells (ADSCs) to differentiate into chondrocytes...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28131784/attenuation-of-subchondral-bone-abnormal-changes-in-osteoarthritis-by-inhibition-of-sdf-1-signaling
#15
Y Chen, S Lin, Y Sun, J Guo, Y Lu, C W Suen, J Zhang, Z Zha, K W Ho, X Pan, G Li
BACKGROUND: Current conservative treatments for osteoarthritis (OA) are largely symptoms control therapies. Further understanding on the pathological mechanisms of OA is crucial for new pharmacological intervention. OBJECTIVE: In this study, we investigated the role of Stromal cell-derived factor-1(SDF-1) in regulating subchondral bone changes during the progression of OA. METHODS: Clinical samples of different stages of OA severity were analyzed by histology staining, micro-CT, enzyme-linked immunosorbent assay (ELISA) and western blotting, to compare SDF-1 level in subchondral bone...
January 25, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28123640/microrna-410-promotes-chondrogenic-differentiation-of-human-bone-marrow-mesenchymal-stem-cells-through-down-regulating-wnt3a
#16
Yanjie Zhang, Xiaohan Huang, Yanhao Yuan
BACKGROUND: Chondrogenic differentiation of mesenchymal stem cells (MSCs) is important for osteoarthritis (OA) treatment. However, the specific mechanisms involved are undefined. MicroRNAs (miRNAs) downregulate protein synthesis by binding to the 3'UTR of target mRNA. METHODS: Bone marrow aspirates were obtained from OA patients undergoing total hip arthroplasty (n=8) to isolate MSCs. MiR-410 or miR-410 inhibitor were transfected into MSCs using lentivirus and the effects were assessed...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28114800/pre-treatment-of-human-mesenchymal-stem-cells-with-inflammatory-factors-or-hypoxia-does-not-influence-migration-to-osteoarthritic-cartilage-and-synovium
#17
Maarten J C Leijs, Gerben M van Buul, Jan A N Verhaar, Martin J Hoogduijn, Pieter K Bos, Gerjo J V M van Osch
BACKGROUND: Mesenchymal stem cells (MSCs) are promising candidates as a cell-based therapy for osteoarthritis (OA), although current results are modest. Pre-treatment of MSCs before application might improve their therapeutic efficacy. HYPOTHESIS: Pre-treatment of MSCs with inflammatory factors or hypoxia will improve their migration and adhesion capacities toward OA-affected tissues. STUDY DESIGN: Controlled laboratory study. METHODS: We used real-time polymerase chain reaction to determine the effects of different fetal calf serum (FCS) batches, platelet lysate (PL), hypoxia, inflammatory factors, factors secreted by OA tissues, and OA synovial fluid (SF) on the expression of 12 genes encoding chemokine or adhesion receptors...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28095754/3d-co-culture-of-meniscal-cells-and-mesenchymal-stem-cells-in-collagen-type-i-hydrogel-on-a-small-intestinal-matrix-a-pilot-study-towards-equine-meniscus-tissue-engineering
#18
Antje Kremer, Iris Ribitsch, Jenny Reboredo, Julia Dürr, Monika Egerbacher, Florien Jenner, Heike Walles
Meniscal injuries are the most frequently encountered soft tissue injuries in the equine stifle joint. Due to the inherent limited repair potential of meniscal tissue, meniscal injuries do not only affect the meniscus itself but also lead to impaired joint homeostasis and secondary osteoarthritis. The presented study compares 3D co-culture constructs of primary equine mesenchymal stem cells (MSC) and meniscus cells (MC) seeded on three different scaffolds - a cell-laden collagen type I hydrogel (Col I gel), a tissue-derived small intestinal matrix scaffold (SIS-muc) and a combination thereof - for their qualification to be applied for meniscus tissue engineering...
January 18, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28077355/no-evidence-for-the-use-of-stem-cell-therapy-for-tendon-disorders-a-systematic-review
#19
Haiko I M F L Pas, Maarten H Moen, Hidde J Haisma, Marinus Winters
INTRODUCTION: Stem cells have emerged as a new treatment option for tendon disorders. We systematically reviewed the current evidence for stem cell therapy in tendon disorders. METHODS: Randomised and non-randomised controlled trials, cohort studies and case series with a minimum of 5 cases were searched in MEDLINE, CENTRAL, EMBASE, CINAHL, PEDro and SPORTDiscus. In addition, we searched grey literature databases and trial registers. Only human studies were included and no time or language restrictions were applied to our search...
January 11, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28043752/fibrous-synovium-releases-higher-numbers-of-mesenchymal-stem-cells-than-adipose-synovium-in-a-suspended-synovium-culture-model
#20
Kenta Katagiri, Yu Matsukura, Takeshi Muneta, Nobutake Ozeki, Mitsuru Mizuno, Hisako Katano, Ichiro Sekiya
PURPOSE: To develop an in vitro model, the "suspended synovium culture model," to demonstrate the mobilization of mesenchymal stem cells (MSCs) from the synovium into a noncontacted culture dish through culture medium. In addition, to examine which synovium, fibrous synovium or adipose synovium, released more MSCs in the knee with osteoarthritis. METHODS: Human synovial tissue was harvested during total knee arthroplasty from knee joints of 34 patients with osteoarthritis (28 patients: only fibrous synovium, 6 patients: fibrous and adipose synovium)...
December 30, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
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