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https://www.readbyqxmd.com/read/28636235/stem-cell-based-tooth-and-periodontal-regeneration
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28590064/breast-cancer-stem-cell-therapeutics-multiple-strategies-versus-using-engineered-mesenchymal-stem-cells-with-notch-inhibitory-properties-possibilities-and-perspectives
#14
Bipasha Bose, Utsav Sen, Sudheer Shenoy P
Relapse cases of cancers are more vigorous and difficult to control due to the preponderance of cancer stem cells (CSCs). Such CSCs that had been otherwise dormant during the first incidence of cancer gradually appear as radiochemoresistant cancer cells. Hence, cancer therapeutics aimed at CSCs would be an effective strategy for mitigating the cancers during relapse. Alternatively, CSC therapy can also be proposed as an adjuvant therapy, along-with the conventional therapies. As regenerative stem cells (RSCs) are known for their trophic effects, anti-tumorogenicity and better migration towards an injury site, this review aims to address the use of adult stem cells such as dental pulp derived; cord blood derived pure populations of regenerative stem cells for targeting CSCs...
June 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28588623/angiogenic-capacity-of-dental-pulp-stem-cell-regulated-by-sdf-1%C3%AE-cxcr4-axis
#15
Hyun Nam, Gee-Hye Kim, Yoon-Kyung Bae, Da-Eun Jeong, Kyeung-Min Joo, Kyunghoon Lee, Sun-Ho Lee
Previously, the perivascular characteristics of dental pulp stem cells (DPSCs) were reported, which suggested the potential application of DPSCs as perivascular cell source. In this study, we investigated whether DPSCs had angiogenic capacity by coinjection with human umbilical vein endothelial cells (HUVECs) in vivo; in addition, we determined the role of stromal cell-derived factor 1-α (SDF-1α) and C-X-C chemokine receptor type 4 (CXCR4) axis in the mutual interaction between DPSCs and HUVECs. Primarily isolated DPSCs showed mesenchymal stem cell- (MSC-) like characteristics...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28582499/dental-pulp-stem-cells-for-the-study-of-neurogenetic-disorders
#16
A Kaitlyn Victor, Lawrence T Reiter
Dental pulp stem cells (DPSC) are a relatively new alternative stem cell source for the study of neurogenetic disorders. DPSC can be obtained non-invasively and collected from long-distances remaining viable during transportation. These highly proliferative cells express stem cell markers and retain the ability to differentiate down multiple cell lineages including chondrocytes, adipocytes, osteoblasts, and multiple neuronal cell types. The neural crest origin of DPSC makes them a useful source of primary cells for modeling neurological disorders at the molecular level...
June 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28581212/glial-cell-derived-neurotrophic-factor-promotes-dental-pulp-stem-cell-migration
#17
Nan Xiao, Wei Ye Yu, Dawei Liu
Preserving the vitality of the teeth is critical in maintaining the function and esthetics of teeth during dental treatment. Dental pulp stem cells (DPSCs) are mesenchymal cells that are demonstrated to possess stem cell properties, such as self-renewal, proliferation and pluripotency. DPSCs can be obtained through non-invasive procedure from the dental pulp and become potential resources for tissue regeneration. Neurotrophic factors are known to promote survival and growth of neurons. In the present study, we examined the expression of the glial cell derived neurotrophic factor (GDNF) family ligands and receptors, and characterized the intracellular localization of them in DPSCs...
June 5, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28576771/bmp-signaling-orchestrates-a-transcriptional-network-to-control-the-fate-of-mesenchymal-stem-cells-in-mice
#18
Jifan Feng, Junjun Jing, Jingyuan Li, Hu Zhao, Vasu Punj, Tingwei Zhang, Jian Xu, Yang Chai
Signaling pathways are used reiteratively in different developmental processes yet produce distinct cell fates through specific downstream transcription factors. In this study, we used tooth root development as a model to investigate how the BMP signaling pathway regulates transcriptional complexes to direct the fate determination of multipotent mesenchymal stem cells (MSCs). We first identified the MSC population supporting mouse molar root growth as Gli1+ cells. Using a Gli1-mediated transgenic animal model, our results provide the first in vivo evidence that BMP signaling activity is required for the odontogenic differentiation of MSCs...
June 2, 2017: Development
https://www.readbyqxmd.com/read/28571275/in-vitro-cytotoxicity-evaluation-of-novel-nano-hydroxyapatite-silica-incorporated-glass-ionomer-cement
#19
Tahir Yusuf Noorani, Norhayati Luddin, Ismail Ab Rahman, Saman Malik Masudi
INTRODUCTION: Glass Ionomer Cements (GIC) are among the most popular restorative materials, but their use in dentistry is limited due to their physical properties. The hardness of GIC was improved by incorporation of nano-hydroxyapatite-silica into GIC, to expand its applicability. AIM: To evaluate the cytotoxic effects of nano-hydroxyapatite-silica incorporated glass ionomer cement (HA-SiO2-GIC) on human Dental Pulp Stem Cells (DPSC) and compare it with conventional GIC and resin modified GIC...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28566856/immunophenotypic-and-molecular-analysis-of-human-dental-pulp-stem-cells-potential-for-neurogenic-differentiation
#20
Nikhat Fatima, Aleem A Khan, Sandeep K Vishwakarma
BACKGROUND: Growing evidence shows that dental pulp (DP) tissues could be a potential source of adult stem cells for the treatment of devastating neurological diseases and several other conditions. AIMS: Exploration of the expression profile of several key molecular markers to evaluate the molecular dynamics in undifferentiated and differentiated DP-derived stem cells (DPSCs) in vitro. SETTINGS AND DESIGN: The characteristics and multilineage differentiation ability of DPSCs were determined by cellular and molecular kinetics...
January 2017: Contemporary Clinical Dentistry
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