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https://www.readbyqxmd.com/read/29150954/physiological-role-of-urothelial-cancer-associated-1-long-noncoding-rna-in-human-skeletogenic-cell-differentiation
#1
Takanori Ishikawa, Takashi Nishida, Mitsuaki Ono, Takeshi Takarada, Nguyen Ha, Shinnosuke Kurihara, Takayuki Furumatsu, Yurika Murase, Masaharu Takigawa, Toshitaka Oohashi, Hiroshi Kamioka, Satoshi Kubota
A vast number of long-noncoding RNAs (lncRNA) are found expressed in human cells, which RNAs have been developed along with human evolution. However, the physiological functions of these lncRNAs remain mostly unknown. In the present study, we for the first time uncovered the fact that one of such lncRNAs plays a significant role in the differentiation of chondrocytes and, possibly, of osteoblasts differentiated from mesenchymal stem cells, which cells eventually construct the human skeleton. The urothelial cancer-associated 1 (UCA1) lncRNA is known to be associated with several human malignancies...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150909/genetic-analysis-of-osteogenesis-imperfecta-in-the-palestinian-population-molecular-screening-of-49-affected-families
#2
Osama Essawi, Sofie Symoens, Maha Fannana, Mohammad Darwish, Mohammad Farraj, Andy Willaert, Tamer Essawi, Bert Callewaert, Anne De Paepe, Fransiska Malfait, Paul J Coucke
BACKGROUND: Osteogenesis imperfecta (OI) is a heterogeneous hereditary connective tissue disorder clinically hallmarked by increased susceptibility to bone fractures. METHODS: We analyzed a cohort of 77 diagnosed OI patients from 49 unrelated Palestinian families. Next-generation sequencing technology was used to screen a panel of known OI genes. RESULTS: In 41 probands, we identified 28 different disease-causing variants of 9 different known OI genes...
November 18, 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/29149082/the-biological-properties-of-ogi-surfaces-positively-act-on-osteogenic-and-angiogenic-commitment-of-mesenchymal-stem-cells
#3
Paolo Ghensi, Eriberto Bressan, Chiara Gardin, Letizia Ferroni, Maria Costanza Soldini, Federico Mandelli, Claudio Soldini, Barbara Zavan
Osteogenesis process displays a fundamental role during dental implant osteointegration. In the present work, we studied the influence of Osteon Growth Induction (OGI) surface properties on the angiogenic and osteogenic behaviors of Mesenchymal Stem cells (MSC). MSC derived from dental pulp and HUVEC (Human Umbilical Vein Endothelial Cells) were grown in on OGI titanium surfaces, and cell proliferation and DNA synthesis were evaluated by MTT [3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide] test and DNA quantification...
November 17, 2017: Materials
https://www.readbyqxmd.com/read/29147489/the-effect-of-platelet-rich-plasma-on-human-mesenchymal-stem-cell-induced-bone-regeneration-of-canine-alveolar-defects-with-calcium-phosphate-based-scaffolds
#4
Reihaneh Shafieian, Maryam Moghaddam Matin, Amin Rahpeyma, Alireza Fazel, Hamideh Salari Sedigh, Ariane Sadr-Nabavi, Halimeh Hassanzadeh, Alireza Ebrahimzadeh-Bideskan
Objectives: Autologous bone transplantation known as the "gold standard" to reconstruction of osseous defects has known disadvantages. This study was designed to explore the effects of hydroxy-apatite/tricalcium-phosphate (HA/TCP) and platelet-rich plasma (PRP) on the osteogenesis ability of human adipose-derived mesenchymal stem cells (hAdMSCs) in vitro and in vivo. Materials and Methods: hAdMSCs were incubated with HA/TCP granules and/or PRP in vitro and then, cell proliferation and differentiation was assessed by MTT assay, AZR S staining and SEM examination...
October 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29144982/bone-mesenchymal-stem-cell-secretion-of-srankl-opg-m-csf-in-response-to-macrophage-mediated-inflammatory-response-influences-osteogenesis-on-nanostructured-ti-surfaces
#5
Qian-Li Ma, Liang Fang, Nan Jiang, Liang Zhang, Ying Wang, Yu-Mei Zhang, Li-Hua Chen
Although it has been well established that osteogenic differentiation of bone mesenchymal stem cells (bMSCs) as well as osteoclastic differentiation of macrophages can be manipulated by the nanostructure of biomaterial surfaces, the interactions among the effects of the surface on immune cells and bMSCs remained unknown. Therefore, in this study, the osteogenic behaviors and secretion of osteoclastogenesis-related cytokines of human bMSCs on TiO2 nanotubular (NT) surfaces in conditioned medium (CM) generated by macrophages cultured on the respective NT surfaces (NT-CM) were analyzed...
November 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/29144723/inorganic-strengthened-hydrogel-membrane-as-regenerative-periosteum
#6
Tianwen Xin, Yong Gu, Ruoyu Cheng, Jincheng Tang, Zhiyong Sun, Wenguo Cui, Liang Chen
Periosteum plays the pivotal role in neomineralization, vascularization and protection during bone tissue regeneration. However, many artificial periosteum focused only on protection and lacked of the osteogenesis and angiogenesis functional capacity. In this study, we developed a novelty inorganic strengthened gelatin hydrogel membrane via inorganic and organic co-cross-linked double network as artificial periosteum for enhancing the durable angiogenesis and osteogenesis in bone reconstruction. Mesoporous bioactive glass nanoparticles (MBGNs) chemically modified with photo-cross-linkable gelatin derivative (GelMA) were further incorporated into GelMA to fabricate an organic/inorganic co-cross-linked hydrogel membrane (GelMA-G-MBGNs)...
November 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29143459/the-spatial-patterning-of-rgd-and-bmp-2-mimetic-peptides-at-the-subcellular-scale-modulates-human-mesenchymal-stem-cells-osteogenesis
#7
I Bilem, L Plawinski, P Chevallier, C Ayela, E D Sone, G Laroche, M C Durrieu
Engineering artificial extracellular matrices (ECMs), based on the biomimicry of the spatial distribution of proteins and growth factors within their native microenvironment, is of great importance for understanding mechanisms of bone tissue regeneration. Herein, photolithography is used to decorate glass surfaces with subcellular patterns of RGD and BMP-2 ligands; two mimetic peptides recognized to be involved in stem cells osteogenesis. The biological relevance of well-defined RGD and BMP-2 patterned surfaces is evaluated by investigating the differentiation of human mesenchymal stem cells (hMSCs) into osteoblasts, in the absence of induction media...
November 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29143185/osteogenic-prospective-of-deriving-human-dental-stem-cells-in-collagen-matrix-boost
#8
Tong-Jing Fang, Ding-Han Wang, Chia-Yu Wang, Raju Poongodi, Nien-Hsien Liou, Jiang-Chuan Liu, Ming-Lun Hsu, Po-Da Hong, Shih-Fang Yang, Meng-Lun Liu
Stem cells derived from oral tissue represent a highly attractive alternative source for clinical bone regeneration because they can be collected by non-invasive or minimally invasive procedures. Herein, we describe the human dental stem cells (DSCs) deriving from buccal fat pads (BFP), dental pulp (DP) of impacted teeth, and periodontal ligaments (PDL) to obtain BFPSCs, DPSCs, and PDLSCs, respectively. Cells were purified with selected medium and expanded through passages in stem cell culture medium. Purified cells were characterized for stemness by their growth rate, immunostaining, and multilineage differentiation ability...
November 15, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29143002/nanotopography-based-strategy-for-the-precise-manipulation-of-osteoimmunomodulation-in-bone-regeneration
#9
REVIEW
Zetao Chen, Akash Bachhuka, Fei Wei, Xiaoshuang Wang, Guanqi Liu, Krasimir Vasilev, Yin Xiao
Immune cells play vital roles in regulating bone dynamics. Successful bone regeneration requires a favourable osteo-immune environment. The high plasticity and diversity of immune cells make it possible to manipulate the osteo-immune response of immune cells, thus modulating the osteoimmune environment and regulating bone regeneration. With the advancement in nanotechnology, nanotopographies with different controlled surface properties can be fabricated. On tuning the surface properties, the osteo-immune response can be precisely modulated...
November 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/29142868/protrusive-maxillomandibular-fixation-for-intracapsular-condylar-fracture-a-report-of-two-cases
#10
Yeong Kon Jeong, Won-Jong Park, Il Kyung Park, Gi Tae Kim, Eun Joo Choi
Clinical limitations following closed reduction of an intracapsular condylar fracture include a decrease in maximum mouth opening, reduced range of mandibular movements such as protrusion/lateral excursion, and reduced occlusal stability. Anteromedial and inferior displacement of the medial condyle fragment by traction of the lateral pterygoid muscle can induce bone overgrowth due to distraction osteogenesis between the medial and lateral condylar fragments, causing structural changes in the condyle. In addition, when conventional maxillomandibular fixation (MMF) is performed, persistent interdental contact sustains masticatory muscle hyperactivity, leading to a decreased vertical dimension and premature contact of the posterior teeth...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29141554/insight-into-the-role-of-long-non-coding-rnas-during-osteogenesis-in-mesenchymal-stem-cells
#11
Sibei Huo, Yachuan Zhou, Xinyu He, Mian Wan, Wei Du, Xin Xu, Ling Ye, Xuedong Zhou, Liwei Zheng
BACKGROUND: Long non-coding RNAs (LncRNAs) are non-protein coding transcripts longer than 200 nucleotides in length. Instead of being "transcriptional noise", lncRNAs are emerging as a key modulator in various biological processes and disease development. Mesenchymal stem cells can be isolated from various adult tissues, such as bone marrow and dental tissues. The differentiation processes into multiple lineages, such as osteogenic differentiation, are precisely orchestrated by molecular signals in both genetic and epigenetic ways...
November 15, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29140298/enhancement-of-bone-marrow-derived-mesenchymal-stem-cell-osteogenesis-and-new-bone-formation-in-rats-by-obtusilactone-a
#12
Yi-Hsiung Lin, Chung-Yi Chen, Liang-Yin Chou, Chung-Hwan Chen, Lin Kang, Chau-Zen Wang
The natural pure compound obtusilactone A (OA) was identified in Cinnamomum kotoense Kanehira & Sasaki, and shows effective anti-cancer activity. We studied the effect of OA on osteogenesis of bone marrow-derived mesenchymal stem cells (BMSCs). OA possesses biocompatibility, stimulates Alkaline Phosphatase (ALP) activity and facilitates mineralization of BMSCs. Expression of osteogenesis markers BMP2, Runx2, Collagen I, and Osteocalcin was enhanced in OA-treated BMSCs. An in vivo rat model with local administration of OA via needle implantation to bone marrow-residing BMSCs revealed that OA increased the new bone formation and trabecular bone volume in tibias...
November 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29138823/mechanical-strain-promotes-osteogenic-differentiation-of-bone-mesenchymal-stem-cells-from-ovariectomized-rats-via-the-phosphoinositide-3%C3%A2-kinase-akt-signaling-pathway
#13
Ningjuan Ouyang, Peng Zhang, Runqing Fu, Guofang Shen, Lingyong Jiang, Bing Fang
Osteoporosis has become an overwhelming public health problem worldwide. As an elementary physiological factor to regulate bone formation and regeneration, mechanical strain may be used as a non‑invasive intervention in osteoporosis prevention and treatment. However, little is known regarding the underlying mechanism. The aim of the current study was to investigate the effect of continuous mechanical strain (CMS) on osteogenic differentiation of bone mesenchymal stem cells (BMSCs) from ovariectomized rats (OVX BMSCs)...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138812/expression-and-regulation-of-the-erk1-2-and-p38-mapk-signaling-pathways-in-periodontal-tissue-remodeling-of-orthodontic-tooth-movement
#14
Liping Jiang, Zhen Tang
The present study aimed to investigate the expression and regulation of extracellular signal‑regulated kinase (ERK)1/2 and p38 mitogen‑activated protein kinase (MAPK) signaling pathways in periodontal tissue remodeling of orthodontic tooth movement. Sprague Dawley rats with orthodontic tooth movement were generated. After tension stress for 1, 3, 5, 7 and 14 days, the protein and mRNA expression levels of ERK1/2 and p38 in periodontal tissue were determined by western blotting and reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR), respectively...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138638/tissue-source-and-cell-expansion-condition-influence-phenotypic-changes-of-adipose-derived-stem-cells
#15
Lauren H Mangum, Shanmugasundaram Natesan, Randolph Stone, Nicole L Wrice, David A Larson, Kyle F Florell, Barbara A Christy, Maryanne C Herzig, Andrew P Cap, Robert J Christy
Stem cells derived from the subcutaneous adipose tissue of debrided burned skin represent an appealing source of adipose-derived stem cells (ASCs) for regenerative medicine. Traditional tissue culture uses fetal bovine serum (FBS), which complicates utilization of ASCs in human medicine. Human platelet lysate (hPL) is one potential xeno-free, alternative supplement for use in ASC culture. In this study, adipogenic and osteogenic differentiation in media supplemented with 10% FBS or 10% hPL was compared in human ASCs derived from abdominoplasty (HAP) or from adipose associated with debrided burned skin (BH)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29138464/bone-regeneration-is-associated-with-the-concentration-of-tumour-necrosis-factor-%C3%AE-induced-by-sericin-released-from-a-silk-mat
#16
You-Young Jo, HaeYong Kweon, Dae-Won Kim, Kyunghwa Baek, Min-Keun Kim, Seong-Gon Kim, Weon-Sik Chae, Je-Yong Choi, Horatiu Rotaru
To understand the osteogenic effect of the middle layer of the silk cocoon, sericin was examined for its cellular effects associated with tumor necrosis factor-α (TNF-α) signaling in this study. The fragmented sericin proteins in the silk mat were evaluated for the TNF-α expression level in murine macrophages. The concentration of protein released from silk mats was higher in the outermost and the innermost layers than in the middle layers, and the protein released from the silk mat was identified as sericin...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29136757/muscone-exerts-protective-roles-on-alcohol-induced-osteonecrosis-of-the-femoral-head
#17
Yan-Jie Guo, Shi-Hua Luo, Ming-Jie Tang, Zu-Bin Zhou, Jun-Hui Yin, You-Shui Gao, Xiao-Qian Dang
Long-term alcohol abuse causes musculoskeletal disorders, among of which, alcohol-induced osteonecrosis of the femoral head (ONFH) is of concern due to its significant and severe complications. A variety of methods have been attempted to prevent alcohol-induced ONFH, and monomers extracted from Chinese herbs might benefit the disease profoundly. In the current study, muscone, the main ingredient of musk, was used to prevent alcohol-induced ONFH. In vitro, ethanol was used to affect the potential of osteogenesis and proliferation of human bone mesenchymal stem cells (hBMSCs), and beneficial role of muscone was investigated on hBMSCs...
November 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135733/treatment-of-maxillary-hypoplasia-in-cleft-lip-and-palate-segmental-distraction-osteogenesis-with-hyrax-device
#18
Rodrigo Fariña, Alejandro Diaz, Roberto Pantoja, Carolina Bidart
The objective of this work is to describe a segmental maxillary distraction osteogenesis (SDO) with segmental Lefort I with an inexpensive device.Four patients who presented severe class III and maxillary hypoplasia due to cleft lip and palate sequel were treated. A SDO was performed using a dental-anchored Hyrax device, achieving enlargement of the upper jaw without altering speech, with adequate and stable occlusion. Dental implants in a new formed bone were installed.The authors can conclude that SDO is a good treatment alternative for patients with maxillary hypoplasia...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29134198/%C3%AF-3-polyunsaturated-fatty-acids-direct-differentiation-of-the-membrane-phenotype-in-mesenchymal-stem-cells-to-potentiate-osteogenesis
#19
Kandice R Levental, Michal A Surma, Allison D Skinkle, Joseph H Lorent, Yong Zhou, Christian Klose, Jeffrey T Chang, John F Hancock, Ilya Levental
Mammalian cells produce hundreds of dynamically regulated lipid species that are actively turned over and trafficked to produce functional membranes. These lipid repertoires are susceptible to perturbations from dietary sources, with potentially profound physiological consequences. However, neither the lipid repertoires of various cellular membranes, their modulation by dietary fats, nor their effects on cellular phenotypes have been widely explored. We report that differentiation of human mesenchymal stem cells (MSCs) into osteoblasts or adipocytes results in extensive remodeling of the plasma membrane (PM), producing cell-specific membrane compositions and biophysical properties...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29132047/in-situ-label-free-monitoring-of-human-adipose-derived-mesenchymal-stem-cell-differentiation-into-multiple-lineages
#20
Intan Rosalina Suhito, Yoojoong Han, Junhong Min, Hyungbin Son, Tae-Hyung Kim
Precise characterizations of stem cell differentiation into specific lineages, especially in non-destructive and non-invasive manner, are extremely important for generating patient-specific cells without mass loss of differentiated cells. Here, we report a new method capable of in situ label-free quantification of stem cell differentiation into multiple lineages, even at a single cell level. The human adipose-derived mesenchymal stem cells (hADMSCs) were first differentiated into two different types of cells (osteoblasts and adipocytes) and these differentiated cells were then intensively analyzed by micro-Raman spectroscopy...
November 5, 2017: Biomaterials
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