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https://www.readbyqxmd.com/read/27906060/discrete-adipose-derived-stem-cell-subpopulations-may-display-differential-functionality-after-in-vitro-expansion-despite-convergence-to-a-common-phenotype-distribution
#1
Frederik Mølgaard Nielsen, Simone Elkjær Riis, Jens Isak Andersen, Raphaëlle Lesage, Trine Fink, Cristian Pablo Pennisi, Vladimir Zachar
BACKGROUND: Complex immunophenotypic repertoires defining discrete adipose-derived stem cell (ASC) subpopulations may hold a key toward identifying predictors of clinical utility. To this end, we sorted out of the freshly established ASCs four subpopulations (SPs) according to a specific pattern of co-expression of six surface markers, the CD34, CD73, CD90, CD105, CD146, and CD271, using polychromatic flow cytometry. METHOD: Using flow cytometry-associated cell sorting and analysis, gating parameters were set to select for a CD73(+)CD90(+)CD105(+) phenotype plus one of the four following combinations, CD34(-)CD146(-)CD271(-) (SP1), CD34(-)CD146(+)CD271(-) (SP2), CD34(+)CD146(+)CD271(-) (SP3), and CD34(-)CD146(+)CD271(+) (SP4)...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27905670/induced-pluripotent-stem-cells-as-a-new-getaway-for-bone-tissue-engineering-a-systematic-review
#2
REVIEW
Farshid Bastami, Pantea Nazeman, Hamidreza Moslemi, Maryam Rezai Rad, Kazem Sharifi, Arash Khojasteh
OBJECTIVES: Mesenchymal stem cells (MSCs) are frequently used for bone regeneration, however, they are limited in quantity. Moreover, their proliferation and differentiation capabilities reduce during cell culture expansion. Potential application of induced pluripotent stem cells (iPSCs) has been reported as a promising alternative source for bone regeneration. This study aimed to systematically review the available literature on osteogenic potential of iPSCs and to discuss methods applied to enhance their osteogenic potential...
December 1, 2016: Cell Proliferation
https://www.readbyqxmd.com/read/27897128/defining-the-limits-of-endoscopic-access-to-internal-auditory-canal
#3
Adam Master, Mickie Hamiter, Maura Cosetti
OBJECTIVE: To quantify surgical access to the internal auditory canal (IAC) using an exclusively endoscopic transcanal approach (EETA) and investigate surgically relevant relationships with neurovascular and osseous landmarks of the temporal bone. MATERIALS AND METHODS: Anatomical dissection of two paired temporal bones and 15 unpaired temporal bones was performed using an exclusively endoscopic approach to IAC. The dissection proceeded until the cerebellopontine angle (CPA) could be accessed...
November 28, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27892651/fumarate-copolymer-chitosan-cross-linked-scaffold-directed-to-osteochondrogenic-tissue-engineering
#4
María Laura Lastra, María Silvina Molinuevo, Ana María Cortizo, María Susana Cortizo
Natural and synthetic cross-linked polymers allow the improvement of cytocompatibility and mechanical properties of the individual polymers. In osteochondral lesions of big size it will be required the use of scaffolds to repair the lesion. In this work a borax cross-linked scaffold based on fumarate-vinyl acetate copolymer and chitosan directed to osteochondrondral tissue engineering is developed. The cross-linked scaffolds and physical blends of the polymers are analyzed in based on their morphology, glass transition temperature, and mechanical properties...
November 28, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27891511/diagnostic-value-of-ct-arthrography-for-evaluation-of-osteochondral-lesions-at-the-ankle
#5
Jan S Kirschke, Sepp Braun, Thomas Baum, Christian Holwein, Christoph Schaeffeler, Andreas B Imhoff, Ernst J Rummeny, Klaus Woertler, Pia M Jungmann
Background. To retrospectively determine the diagnostic value of computed tomography arthrography (CTA) of the ankle in the evaluation of (osteo)chondral lesions in comparison to conventional magnetic resonance imaging (MRI) and intraoperative findings. Methods. A total of N = 79 patients had CTAs and MRI of the ankle; in 17/79 cases surgical reports with statements on cartilage integrity were available. Cartilage lesions and bony defects at talus and tibia were scored according to defect depth and size by two radiologists...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27876261/cartilage-repair-strategies-in-the-knee-a-survey-of-turkish-surgeons
#6
Nurzat Elmalı, Reha Tandoğan, Murat Demirel, Murat Bozkurt, Tahsin Beyzadeoglu
OBJECTIVES: The purpose of this study was to analyze the trends in cartilage repair strategies among Turkish orthopedic surgeons for isolated focal (osteo)chondral lesions of the knee joint. MATERIALS AND METHODS: A web-based survey of 21 questions consisting of surgical indications, techniques and time to return to sports was developed to investigate the preferences of members of the TOTBID and the TUSYAD. RESULTS: A total of 147 surgeons answered the questionnaire...
November 18, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27874039/effects-of-light-emitting-diode-irradiation-on-the-osteogenesis-of-human-umbilical-cord-mesenchymal-stem-cells-in-vitro
#7
Dazhi Yang, Weihong Yi, Ertian Wang, Min Wang
The aim of this study was to examine the effects of light-emitting diode (LED) photobiomodulation therapy on the proliferation and differentiation of human umbilical cord mesenchymal stem cells (hUMSCs) cultured in osteogenic differentiation medium. HUMSCs were irradiated with an LED light at 620 nm and 2 J/cm(2) and monitored for cell proliferation and osteogenic differentiation activity. The experiment involved four groups of cells: the control group; the osteogenic group (osteo group); the LED group; the osteogenic + LED group (LED + osteo group)...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27859405/effects-of-bmp9-and-pulsed-electromagnetic-fields-on-the-proliferation-and-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells
#8
Tingting Wang, Pei Wang, Zhizhong Cao, Xingxing Wang, Dalin Wang, Yaxian Shen, Da Jing, Erping Luo, Weizhong Tang
Periodontal ligament stem cells (PDLSCs) have been confirmed to have self-renewal capacity and multidifferentiation potential and are good candidates for periodontal tissue regeneration. Pulsed electromagnetic field (PEMF) has been demonstrated to promote osteogenesis in non-union fractures, partly by regulating mesenchymal stem cells or osteoblast activity. However, there is no report about the osteo-inductive effect of PEMF stimulation on human PDLSCs (hPDLSCs). Thus, we tested the hypothesis that PEMF biophysical stimulation alone has an influence on the proliferation and osteogenic differentiation of hPDLSCs...
November 11, 2016: Bioelectromagnetics
https://www.readbyqxmd.com/read/27854286/-english-disease-historical-notes-on-rickets-the-bone-lung-link-and-child-neglect-issues
#9
REVIEW
Mingyong Zhang, Fan Shen, Anna Petryk, Jingfeng Tang, Xingzhen Chen, Consolato Sergi
Nutritional or classical rickets (here labeled as "rickets") is a worldwide disease involving mostly infants and young children having inadequate sunlight exposure, often associated with a low dietary intake of Vitamin D. Rickets targets all layers of society independently of economic status with historical information spanning more than two millennia. Vitamin D is critical for the absorption of calcium and prevention of rickets in children as well as osteomalacia in adults. The initial and misleading paradigm of the 19th and 20th centuries that rickets may have been the consequence of infection has been, indeed, reversed following the identification of the Vitamin D molecule's important role in the function of the immune system...
November 15, 2016: Nutrients
https://www.readbyqxmd.com/read/27849595/regional-asynchronicity-in-dairy-production-and-processing-in-early-farming-communities-of-the-northern-mediterranean
#10
Cynthianne Debono Spiteri, Rosalind E Gillis, Mélanie Roffet-Salque, Laura Castells Navarro, Jean Guilaine, Claire Manen, Italo M Muntoni, Maria Saña Segui, Dushka Urem-Kotsou, Helen L Whelton, Oliver E Craig, Jean-Denis Vigne, Richard P Evershed
In the absence of any direct evidence, the relative importance of meat and dairy productions to Neolithic prehistoric Mediterranean communities has been extensively debated. Here, we combine lipid residue analysis of ceramic vessels with osteo-archaeological age-at-death analysis from 82 northern Mediterranean and Near Eastern sites dating from the seventh to fifth millennia BC to address this question. The findings show variable intensities in dairy and nondairy activities in the Mediterranean region with the slaughter profiles of domesticated ruminants mirroring the results of the organic residue analyses...
November 29, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27837171/preventing-painful-age-related-bone-fractures-anti-sclerostin-therapy-builds-cortical-bone-and-increases-the-proliferation-of-osteogenic-cells-in-the-periosteum-of-the-geriatric-mouse-femur
#11
Michelle L Thompson, Stephane R Chartier, Stefanie A Mitchell, Patrick W Mantyh
Age-related bone fractures are usually painful and have highly negative effects on a geriatric patient's functional status, quality of life, and survival. Currently, there are few analgesic therapies that fully control bone fracture pain in the elderly without significant unwanted side effects. However, another way of controlling age-related fracture pain would be to preemptively administer an osteo-anabolic agent to geriatric patients with high risk of fracture, so as to build new cortical bone and prevent the fracture from occurring...
2016: Molecular Pain
https://www.readbyqxmd.com/read/27836254/is-there-a-role-of-coral-bone-substitutes-in-bone-repair
#12
REVIEW
Ippokratis Pountos, Peter V Giannoudis
Xenogeneic bone graft materials are an alternative to autologous bone grafting. Among such implants, coralline-derived bone grafts substitutes have a long track record as safe, biocompatible and osteoconductive graft materials. In this review, we present the available literature surrounding their use with special focus on the commercially available graft materials. Corals thanks to their chemical and structural characteristics similar to those of the human cancellous bone have shown great potential but clinical data presented to date is ambiguous with both positive and negative outcomes reported...
December 2016: Injury
https://www.readbyqxmd.com/read/27815172/nicorandil-inhibits-osteoclast-differentiation-in-vitro
#13
Futoshi Iwaki, Hitoshi Amano, Kiyoshi Ohura
Nicorandil is a hybrid angina therapeutic agent that has nitric oxide (NO) action and the ability to open ATP-sensitive K(+) channels (KATP channels). A transient increase in NO and intracellular Ca(2+) has been demonstrated to be highly involved in the differentiation and activation of osteoclasts. The objective of this study was to verify that the pharmacological effect of nicorandil suppresses the differentiation process of osteoclasts in vitro. Although little authentic NO production was detected in the culture medium in osteoclast formation assays, NO production increased only in the presence of nicorandil...
December 15, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27810032/corrigendum-to-intramedullary-fixation-in-severe-charcot-osteo-neuroarthropathy-with-foot-deformity-results-in-adequate-correction-without-loss-of-correction-results-from-a-multi-centre-study-foot-ankle-surg-21-2015-269-276
#14
Martinus Richter, Thomas Mittlmeier, Stefan Rammelt, Per-Henrik Agren, Sarah Hahn, Anica Eschler
No abstract text is available yet for this article.
December 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27797128/long-non-coding-rna-miat-knockdown-promotes-osteogenic-differentiation-of-human-adipose-derived-stem-cells
#15
Chanyuan Jin, Yunfei Zheng, Yiping Huang, Yunsong Liu, Lingfei Jia, Yongsheng Zhou
Recently, long non-coding RNAs (lncRNAs) have emerged as critical players in gene regulation for multiple biological processes. However, their roles and functions in human adipose-derived stem cells (hASCs) differentiation remain unclear. In the present study, we investigated the role of lncRNA myocardial infarction-associated transcript (MIAT) in the osteogenic differentiation of hASCs. We found that the expression of MIAT was downregulated in a time-dependent manner during hASCs osteoinduction. MIAT knockdown promoted osteogenic differentiation of hASCs both in vitro and in vivo...
October 31, 2016: Cell Biology International
https://www.readbyqxmd.com/read/27780504/treatment-of-osteoporotic-intertrochanteric-fractures-by-zoledronic-acid-injection-combined-with-proximal-femoral-nail-anti-rotation
#16
Yong Li, Wen-Bo Zhao, De-Li Wang, Qing He, Qin Li, Fu-Xing Pei, Lei Liu
OBJECTIVE: To observe the clinical results of proximal femoral nail anti-rotation (PFNA) combined with zoledronic acid injection in the treatment of osteoporotic intertrochanteric fractures in the elderly. METHODS: 60 elderly patients with osteoporotic intertrochanteric fractures were diagnosed using a dual energy X-ray bone density instrument. Patients were randomly divided into treatment or control groups (30 cases in each group). Patients in both groups were treated by closed/open reduction and internal fixation using PFNA...
October 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/27775780/a-novel-lecithin-based-delivery-form-of-boswellic-acids-casperome%C3%A2-for-the-management-of-osteo-muscular-pain-a-registry-study-in-young-rugby-players
#17
F Franceschi, S Togni, G Belcaro, M Dugall, R Luzzi, A Ledda, L Pellegrini, R Eggenhoffner, L Giacomelli
OBJECTIVE: Several experimental studies and clinical trials support the potential of Boswellia serrata extracts (BSE) for the treatment of various inflammatory diseases. The aim of this registry study was to assess the safety and the efficacy of a novel lecithin-based delivery form of Boswellia serrata extract (Casperome®) in the supportive management of osteo-muscular pain. PATIENTS AND METHODS: 52 healthy young rugby players with acute knee pain and inflammation were recruited...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27769566/a-novel-nasal-endoscopic-approach-for-removing-displaced-dental-implants-from-the-maxillary-sinus
#18
Giuseppe Brescia, Giorgia Saia, Federico Apolloni, Gino Marioni
INTRODUCTION: Over the last 30years, dental implants have become widespread all over the world. Though the implantation procedure is standardized and safe, the displacement of implants into the maxillary sinus can occur. The aim of the study has been to describe a novel combined nasal endoscopic approach through the middle and lower meatus for managing dental implants displaced into the maxillary sinus. METHODS/RESULTS: A 40-year-old man was examined for a titanium osteo-integrated implant displaced within the alveolar recess of the left maxillary sinus...
September 28, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27766219/osteogenic-odontogenic-bioengineering-with-co-administration-of-simvastatin-and-hydroxyapatite-on-poly-caprolactone-based-nanofibrous-scaffold
#19
Mohammad Samiei, Marziyeh Aghazadeh, Effat Alizadeh, Naser Aslaminabadi, Soodabeh Davaran, Sajjad Shirazi, Farhad Ashrafi, Roya Salehi
Purpose: Statin is an effective factor for promoting osteogenesis. The aim of the present study was to evaluate the effect of simvastatin (SIM) and/or HA addition on changes in osteogenesis levels by human DPSCs transferred onto three-dimensional (3D) nanofibrous Poly (ε-caprolactone) (PCL)/Poly lactic acide (PLLA) polymeric scaffolds. Methods: For this purpose, a 3D nanofibrous composite scaffold of PCL/PLLA/HA was prepared by electrospinning method. SIM was added to scaffolds during DPSCs culturing step...
September 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27765615/everolimus-restrains-the-il-17a-dependent-osteoclast-like-transdifferentiation-of-dendritic-cells-in-multiple-myeloma
#20
Marco Tucci, Stefania Stucci, Anna Passarelli, Stella D'Oronzo, Franco Silvestris
Interleukin-17A (IL-17A) promotes the osteoclast (OC)-like differentiation of dendritic cells (DCs) in multiple myeloma (MM) and contributes to the pathogenesis of myeloma bone disease (MBD). In our study, everolimus (EVR) abrogated the in vitro OC-like activity of DCs from 12 MM patients significantly. Exploring the EVR effects, we found that the inhibition of the osteoerosive activity of OC-DCs was mostly due to the blockade of signals driven by the IL-17A receptor toward the CCAAT/enhancer-binding protein beta/musculoaponeurotic fibrosarcoma oncogene homolog B axis Therefore, MM patients with MBD would probably benefit from mammalian target of rapamycin inhibition...
October 17, 2016: Experimental Hematology
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