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Dental stem cell

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https://www.readbyqxmd.com/read/28653139/spreading-proliferation-and-differentiation-of-human-dental-pulp-stem-cells-on-chitosan-scaffolds-immobilized-with-rgd-or-fibronectin
#1
Farzin Asghari Sana, Merve Çapkın Yurtsever, Gökçe Kaynak Bayrak, Ekin Özge Tunçay, Arlin S Kiremitçi, Menemşe Gümüşderelioğlu
Nowadays, human dental pulp stem cells (hDPSCs) became more attractive for therapeutic purposes because of their high proliferation and differentiation potential. Thus, coupling the desired cellular characteristics of hDPSCs with good biomaterial properties of the chitosan scaffolds provide an interesting approach for tissue engineering applications. On the other hand, scaffold surface modification is also needed to promote stem cell adhesion since chitosan lacks adhesion motifs to support direct cell anchorage...
June 26, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28649865/dental-stem-cells-recent-progresses-in-tissue-engineering-and-regenerative-medicine
#2
João Botelho, Maria Alzira Cavacas, Vanessa Machado, José João Mendes
Since the disclosure of adult mesenchymal stem cells (MSCs) there have been an intense investigation on the characteristics of these cells and their potentialities. Dental Stem Cells (DSCs) are MSC-like populations with self-renewal capacity and multidifferentiation potential. Currently, there are five main DSCs, dental pulp stem cells (DPSCs), stem cells from exfoliated deciduous teeth (SHED), stem cells from apical papilla (SCAP), periodontal ligament stem cells (PDLSCs), and Dental Follicle Precursor Cells (DFPCs)...
June 24, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28645174/adrenomedullin-promotes-the-odontogenic-differentiation-of-dental-pulp-stem-cells-through-creb-bmp2-signaling-pathway
#3
Qiang Zhu, Jianyong Gao, Gang Tian, Zhen Tang, Yinghui Tan
No abstract text is available yet for this article.
June 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28644741/ras-signaling-regulates-stem-cells-and-amelogenesis-in-the-mouse-incisor
#4
X Zheng, A F Goodwin, H Tian, A H Jheon, O D Klein
The role of Ras signaling during tooth development is poorly understood. Ras proteins-which are activated by many upstream pathways, including receptor tyrosine kinase cascades-signal through multiple effectors, such as the mitogen-activated protein kinase (MAPK) and PI3K pathways. Here, we utilized the mouse incisor as a model to study how the MAPK and PI3K pathways regulate dental epithelial stem cells and amelogenesis. The rodent incisor-which grows continuously throughout the life of the animal due to the presence of epithelial and mesenchymal stem cells-provides a model for the study of ectodermal organ renewal and regeneration...
June 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28642914/antimicrobial-properties-and-dental-pulp-stem-cell-cytotoxicity-using-carboxymethyl-cellulose-silver-nanoparticles-deposited-on-titanium-plates
#5
Martha Alicia Laredo-Naranjo, Roberto Carrillo-Gonzalez, Myriam Angelica De La Garza-Ramos, Marco Antonio Garza-Navarro, Hilda H H Torre-Martinez, Casiano Del Angel-Mosqueda, Roberto Mercado-Hernandez, Roberto Carrillo-Fuentevilla
Objective: To evaluate the antimicrobial properties and dental pulp stem cells (DPSCs) cytotoxicity of synthesized carboxymethyl cellulose-silver nanoparticles impregnated on titanium plates. Material and methods: The antibacterial effect of silver nanoparticles in a carboxymethyl cellulose matrix impregnated on titanium plates (Ti-AgNPs) in three concentrations: 16%, 50% and 100% was determined by adding these to bacterial cultures of Streptococcus mutans and Porphyromonas gingivalis. The Ti-AgNPs cytotoxicity on DPSCs was determined using a fluorimetric cytotoxicity assay with 0...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28639378/regulation-of-the-fate-of-dental-derived-mesenchymal-stem-cells-using-engineered-alginate-gelma-hydrogels
#6
Sahar Ansari, Patricia Sarrion, Mohammad Mahdi Hasani-Sadrabdi, Tara Aghaloo, Benjamin M Wu, Alireza Moshaverinia
Mesenchymal stem cells (MSCs) derived from dental and orofacial tissues provide an alternative therapeutic option for craniofacial bone tissue regeneration. However, there is still a need to improve stem cell delivery vehicles to regulate the fate of the encapsulated MSCs for high quality tissue regeneration. Matrix elasticity plays a vital role in MSC fate determination. Here we have prepared various hydrogel formulations based on alginate and gelatin methacryloyl (GelMA) and have encapsulated gingival mesenchymal stem cells (GMSCs) and human bone marrow MSCs (hBMMSCs) within these fabricated hydrogels...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28638345/heterogeneity-and-developmental-connections-between-cell-types-inhabiting-teeth
#7
REVIEW
Jan Krivanek, Igor Adameyko, Kaj Fried
Every tissue is composed of multiple cell types that are developmentally, evolutionary and functionally integrated into the unit we call an organ. Teeth, our organs for biting and mastication, are complex and made of many different cell types connected or disconnected in terms of their ontogeny. In general, epithelial and mesenchymal compartments represent the major framework of tooth formation. Thus, they give rise to the two most important matrix-producing populations: ameloblasts generating enamel and odontoblasts producing dentin...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28636235/stem-cell-based-tooth-and-periodontal-regeneration
#8
Lei Hu, Yi Liu, Songlin Wang
Currently regeneration of tooth and periodontal damage still remains great challenge. Stem cell-based tissue engineering raised novel therapeutic strategies for tooth and periodontal repair. Stem cells for tooth and periodontal regeneration include dental pulp stem cells (DPSCs), periodontal ligament stem cells (PDLSCs), stem cells from the dental apical papilla (SCAPs), and stem cells from human exfoliated deciduous teeth (SHEDs), dental follicle stem cells (DFSCs), dental epithelial stem cells (DESCs), bone marrow mesenchymal stem cells (BMMSCs), adipose-derived stem cells (ADSCs), embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs)...
June 21, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28632254/osteogenic-potential-of-gingival-mesenchymal-stem-cells-over-titanium-machined-surfaces
#9
Julio A Carrion, Junaid Rajani, Mohamed Al Bahrawy, Xiaojun Chan, Tae Jin Kim, Srinivas Myneni, Vincent J Iacono
PURPOSE: To evaluate the biochemical composition of bone nodules deposited by gingival mesenchymal stem cells (GMSCs) over titanium machined surfaces in vitro. MATERIALS AND METHODS: GMSCs were isolated from healthy gingival tissues of patients undergoing crown-lengthening surgical procedures. GMSCs were characterized following the International Society for Cellular Therapy guidelines. After incubation of the GMSCs with titanium discs, osteogenic differentiation was induced for 28 days...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28626603/impact-of-isolation-method-on-doubling-time-and-the-quality-of-chondrocyte-and-osteoblast-differentiated-from-murine-dental-pulp-stem-cells
#10
Rohaya Megat Abdul Wahab, Nur Akmal Mohamed Rozali, Sahidan Senafi, Intan Zarina Zainol Abidin, Zaidah Zainal Ariffin, Shahrul Hisham Zainal Ariffin
BACKGROUND: Stem cells are normally isolated from dental pulps using the enzymatic digestion or the outgrowth method. However, the effects of the isolation method on the quality of the isolated stem cells are not studied in detail in murine models. The aim of this study was to compare the matrices secreted by osteoblast and chondrocytes differentiated from dental pulp stem cells isolated through different means. METHOD: DPSC from murine incisors were isolated through either the outgrowth (DPSC-OG) or the enzymatic digestion (DPSC-ED) method...
2017: PeerJ
https://www.readbyqxmd.com/read/28622916/osteogenic-potential-of-platelet-rich-plasma-in-dental-stem-cell-cultures
#11
L Otero, N Carrillo, J L Calvo-Guirado, J Villamil, R A Delgado-Ruíz
The purpose of this study was to analyse the potential of platelet-rich plasma (PRP) culture media to induce osteogenic differentiation of periodontal ligament stem cells and dental pulp stem cells compared with four other methods of culture. Both types of cell were collected from 35 healthy patients and cultured in five different media (Dulbecco's modified eagle's medium (DMEM); DMEM and melatonin; DMEM and PRP; DMEM and ascorbic acid 200μmol; DMEM and l-ascorbate 2-phosphate 50μmol). Cells were characterised by flow cytometry...
June 13, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28616151/therapeutic-potential-of-dental-stem-cells
#12
REVIEW
Elna Paul Chalisserry, Seung Yun Nam, Sang Hyug Park, Sukumaran Anil
Stem cell biology has become an important field in regenerative medicine and tissue engineering therapy since the discovery and characterization of mesenchymal stem cells. Stem cell populations have also been isolated from human dental tissues, including dental pulp stem cells, stem cells from human exfoliated deciduous teeth, stem cells from apical papilla, dental follicle progenitor cells, and periodontal ligament stem cells. Dental stem cells are relatively easily obtainable and exhibit high plasticity and multipotential capabilities...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28613059/-experimental-study-of-transforming-growth-factor-%C3%AE-3-combined-with-dental-pulp-stem-cells-in-promoting-the-implant-s-osseointegration
#13
T Wang, Huojia Muhetaer, J Li
Objective: To investigate the effect of transforming growth factor-β3 (TGF-β3) and dental pulp stem cells (DPSC) in promoting the implant's osteointegration. Methods: Thirty-three New Zealand white rabbits were randomly divided into phosphate buffer saline (PBS) group, DPSC group and TGF-β3 + DPSC group (12 rabbits/group). Two teeth from the rabbits's mandibular incisors or molars were pulled out randomly, then implant were placed in the tooth extraction site immediately. In PBS group, the implant area was filled with Bio-Oss powder 0...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28611689/monitoring-notch-signaling-associated-activation-of-stem-cell-niches-within-injured-dental-pulp
#14
Thimios A Mitsiadis, Javier Catón, Pierfrancesco Pagella, Giovanna Orsini, Lucia Jimenez-Rojo
Dental pulp stem/progenitor cells guarantee tooth homeostasis, repair and regeneration throughout life. The decision between renewal and differentiation of these cells is influenced by physical and molecular interactions with stromal cells and extracellular matrix molecules forming the specialized microenvironment of dental pulp stem cell niches. Here we study the activation of putative pulp niches after tooth injury through the upregulation of Notch signaling pathway. Notch1, Notch2, and Notch3 molecules were used as markers of dental pulp stem/progenitor cells...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28608628/the-role-of-microrna-143-5p-in-the-differentiation-of-dental-pulp-stem-cells-into-odontoblasts-by-targeting-runx2-via-the-opg-rankl-signaling-pathway
#15
Fu-Liang Zhan, Xin-Yang Liu, Xing-Bo Wang
This study aims to elucidate the mechanisms by which microRNA-143-5p (miR-143-5p) targets runt-related transcription factor 2 (Runx2) in the differentiation of dental pulp stem cells (DPSCs) into odontoblasts, through regulating the osteoprotegerin receptor activator of the nuclear factor-κB ligand (OPG/RANKL) signaling pathway. Following transfection, DPSCs were divided into blank, control, miR-143-5p mimics, miR-143-5p inhibitors, miR-143-5p inhibitors + siRunx2 and siRunx2 groups. Alkaline phosphatase (ALP) activity and mineralized nodules were detected using ALP kit and alizarin red staining...
June 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28606672/three-dimensional-sphere-forming-cells-are-unique-multipotent-cell-population-in-dental-pulp-cells
#16
Sung Hee Lee, Andrew Inaba, Neha Mohindroo, Deepika Ganesh, Charlotte Ellen Martin, Nadia Chugal, Reuben H Kim, Mo K Kang, No-Hee Park, Ki-Hyuk Shin
INTRODUCTION: Mesenchymal stem cells (MSCs) are typically cultured as adherent monolayer using a conventional tissue culture technique. However, this technique incompletely reproduces an in vivo microenvironment of stem cells and results in the loss of stemness properties. Three-dimensional (3D) sphere culture is one of the most widely used 3D culture techniques that have been developed to recapitulate the in vivo microenvironment. However, the stemness and multilineage differentiation capacity of spheres derived from dental pulp stem cells (DPSCs) have not been well investigated...
June 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28598038/biphasic-effect-of-atp-on-in-vitro-mineralization-of-dental-pulp-cells
#17
Oranuch Techatharatip, Nunthawan Nowwarote, Suthisa Taebunpakul, Prasit Pavasant
Dental pulp cells release adenosine triphosphate (ATP) in response to intrapulpal pressure and the amount released depends on the magnitude of the pressure. ATP regulates the differentiation of stem cells into adipocytes and osteoblasts. However, it is unknown whether extracellular ATP influences the stemness and osteogenic differentiation of stem cells from human exfoliated deciduous teeth (SHEDs). Therefore, this study investigated the effects of extracellular ATP at a low (0.1 µM) and high (10 µM) concentration on the stemness and osteogenic differentiation of SHEDs...
June 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28595634/generation-of-tooth-periodontium-complex-structures-using-high-odontogenic-potential-dental-epithelium-derived-from-mouse-embryonic-stem-cells
#18
Yancong Zhang, Yongliang Li, Ruirui Shi, Siqi Zhang, Hao Liu, Yunfei Zheng, Yan Li, Jinglei Cai, Duanqing Pei, Shicheng Wei
BACKGROUND: A number of studies have shown that tooth-like structures can be regenerated using induced pluripotent stem cells and mouse embryonic stem (mES) cells. However, few studies have reported the regeneration of tooth-periodontium complex structures, which are more suitable for clinical tooth transplantation. We established an optimized approach to induce high-odontogenic potential dental epithelium derived from mES cells by temporally controlling bone morphogenic protein 4 (BMP4) function and regenerated tooth-periodontium complex structures in vivo...
June 8, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28595566/a-systemic-review-of-the-sources-of-adult-mesenchymal-stem-cells-and-their-suitability-in-musculoskeletal-applications
#19
Rhiannon Nancarrow-Lei, Pouya Mafi, Reza Mafi, Wasim Khan
Background: Adult mesenchymal stem cells (MSCs) were first isolated from bone marrow by Friedenstein in 1976. These cells were clonogenic, non-haematopoietic, and able to replicate extensively in vitro. The fields of regenerative medicine and tissue engineering have grown dramatically since their inception. In the decades since, MSCs have been identified from mesoderm-, endoderm- and ectoderm-derived tissues. In light of our ageing population, the need for effective cell-based therapies for tissue repair and regeneration is ever-expanding...
June 8, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28595095/differential-expression-between-dsp-only-and-dsp-pp523-transcripts-in-rat-molar-teeth
#20
Ya-Qin Zhu, Ryan M Song, Helena H Ritchie
OBJECTIVE: To compare the expression patterns of two multiple transcripts derived from DSP-PP gene during tooth development. One is DSP-only transcript (i.e. does not encode PP) and the other is DSP-PP523 transcript, a main DSP-PP transcript. DESIGN: Unique antisense and sense riboprobes were generated from DSP-only and DSPPP523 cDNAs for in situ studies to examine DSP-only and DSP-PP523 transcript expression in developing molars. Paraffin-embedded sections (5-7μ m) from embryonic 20day, postnatal 2, 3 and 6days were deparaffined and hydrated...
May 31, 2017: Archives of Oral Biology
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