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Dental stem cell

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https://www.readbyqxmd.com/read/29779220/human-intrabony-defect-regeneration-with-micro-grafts-containing-dental-pulp-stem-cells-a-randomized-controlled-clinical-trial
#1
Francesco Ferrarotti, Federica Romano, Mara Noemi Gamba, Andrea Quirico, Marta Giraudi, Martina Audagna, Mario Aimetti
AIM: The goal of this study was to evaluate if dental pulp stem cells (DPSCs) delivered into intrabony defects in a collagen scaffold would enhance the clinical and radiographic parameters of periodontal regeneration. MATERIALS AND METHODS: In this randomized controlled trial, 29 chronic periodontitis patients presenting one deep intrabony defect and requiring extraction of one vital tooth were consecutively enrolled. Defects were randomly assigned to test or control treatments which both consisted of the use of minimally invasive surgical technique...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29776537/comparative-study-on-metabolite-level-in-tissue-specific-human-mesenchymal-stem-cells-by-an-ultra-performance-liquid-chromatography-quadrupole-time-of-flight-mass-spectrometry
#2
Seul Ji Lee, TacGhee Yi, Soo Hyun Ahn, Dong Kyu Lim, Si-Na Kim, Hyun-Joo Lee, Yun-Kyoung Cho, Jae-Yol Lim, Jong-Hyuk Sung, Jeong-Ho Yun, Johan Lim, Sun U Song, Sung Won Kwon
Mesenchymal stem cells (MSCs) are a promising therapeutic option for cell-based therapy due to their immunomodulatory and regenerative properties. They can be isolated from various adult tissues, including bone marrow, fat, dental tissue, and glandular tissue. Although they share common characteristics, little is known about the biological differences between MSC populations derived from different tissues. In this study, we used MS to compare the endogenous metabolite level in the human MSCs originating from the bone marrow, adipose tissue, periodontal ligaments, and salivary glands...
September 18, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29772189/comparison-of-intraoral-bone-regeneration-with-iliac-and-alveolar-bmscs
#3
F Wang, Y Zhou, J Zhou, M Xu, W Zheng, W Huang, W Zhou, Y Shen, K Zhao, Y Wu, D Zou
This study compared the osteogenic potential of bone marrow mesenchymal stem cells (BMSCs) of iliac and alveolar origins (I-BMSCs and Al-BMSCs, respectively), which were transplanted in combination with β tricalcium phosphate (β-TCP) in peri-implant bone defects to investigate the osseointegration between dental implants and tissue-engineered bone in dogs. Specifically, I-BMSCs and Al-BMSCs were cultured, characterized, and seeded on β-TCP and subjected to immunoblotting analyses and alkaline phosphatase activity assays...
May 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29770705/gingival-mesenchymal-stem-cells-outperform-haploidentical-dental-pulp-derived-mesenchymal-stem-cells-in-proliferation-rate-migration-ability-and-angiogenic-potential
#4
Ioannis Angelopoulos, Claudia Brizuela, Maroun Khoury
High donor variation makes comparison studies between different dental sources dubious. Dental tissues offer a rare opportunity for comparing the biological characteristics of haploidentical mesenchymal stem cells (MSCs) isolated from the same donor. The objective was to identify the optimal dental source of MSCs through a biological and functional comparison of haploidentical MSCs from gingival (GMSCs) and dental pulp stem cells (DPSCs) focusing mainly on their angiogenic potential. The comparison study included (1) surface markers expression, (2) mesodermal differentiation capacity (chondrogenic, adipogenic, and osteogenic), (3) proliferation, (4) migration potential, (5) ability to form colony units, and (6) angiogenic potential in vitro and in vivo...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29770323/dental-mesenchymal-stem-cell-based-translational-regenerative-dentistry-from-artificial-to-biological-replacement
#5
REVIEW
Mona K Marei, Rania M El Backly
Dentistry is a continuously changing field that has witnessed much advancement in the past century. Prosthodontics is that branch of dentistry that deals with replacing missing teeth using either fixed or removable appliances in an attempt to simulate natural tooth function. Although such "replacement therapies" appear to be easy and economic they fall short of ever coming close to their natural counterparts. Complications that arise often lead to failures and frequent repairs of such devices which seldom allow true physiological function of dental and oral-maxillofacial tissues...
2018: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29769418/application-of-stem-cells-in-denstistry-for-bone-regeneration
#6
R Brozek, M Kurpisz, R Koczorowski
Stem cells constitute a non-specialised cell pool able for proliferation, self-renewal and differentiation into progeny constantly replacing used up tissue and/or organ fragments. They have been observed to be present in many tissue reservoirs, including stomatognathic system. Oral cavity seems to be a particularly attractive stem cells' source as these cells are richly present and easily accessible in dental and periodontal tissues and they can be used for therapeutic purposes. Their application is also morally and ethically non-controversial...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29765407/effects-of-transplanted-heparin-poloxamer-hydrogel-combining-dental-pulp-stem-cells-and-bfgf-on-spinal-cord-injury-repair
#7
Lihua Luo, Abdullkhaleg Ali Albashari, Xiaoyan Wang, Ling Jin, Yanni Zhang, Lina Zheng, Jianjian Xia, Helin Xu, Yingzheng Zhao, Jian Xiao, Yan He, Qingsong Ye
Spinal cord injury (SCI) is one of serious traumatic diseases of the central nervous system and has no effective treatment because of its complicated pathophysiology. Tissue engineering strategy which contains scaffolds, cells, and growth factors can provide a promising treatment for SCI. Hydrogel that has 3D network structure and biomimetic microenvironment can support cellular growth and embed biological macromolecules for sustaining release. Dental pulp stem cells (DPSCs), derived from cranial neural crest, possess mesenchymal stem cell (MSC) characteristics and have an ability to provide neuroprotective and neurotrophic properties for SCI treatment...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29763345/tissue-engineering-of-necrotic-dental-pulp-of-immature-teeth-with-apical-periodontitis-in-dogs-radiographic-and-histological-evaluation
#8
Eman A El Ashiry, Najlaa M Alamoudi, Mahmoud K El Ashiry, Hagar A Bastawy, Douaa A El Derwi, Hazem M Atta
AIM: To evaluate tissue engineering technology to regenerate pulp-dentin like tissues in pulp canals of immature necrotic permanent teeth with apical periodontitis in dogs. STUDY DESIGN: The study was performed on 36 teeth in 12 dogs. The experiment was carried out using split mouth design. In each dog 3 teeth were selected for implementing the study procedure. Apical periodontitis was induced in Group A and B teeth. Group (A): immature upper left 2nd permanent incisors that were transplanted with a construct of autologous dental pulp stem cells with growth factors seeded in a chitosn hydrogel scaffold...
May 15, 2018: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29760738/dental-mesenchymal-stem-stromal-cells-and-their-exosomes
#9
REVIEW
Peter Stanko, Ursula Altanerova, Jana Jakubechova, Vanda Repiska, Cestmir Altaner
Stem cells derived from human dental pulp tissue (DP-MSC) differ from the other mesenchymal stem cells prepared from bone marrow or adipose tissue due to their embryonic origin from the neural crest and are of special interest because of their neurotropic character. Furthermore, the therapeutic potential of DP-MSCs is realized through paracrine action of extracellularly released components, for which exosomes play an important role. In this review, we intend to explore the properties of these cells with an emphasis on exosomes...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760723/applications-of-mesenchymal-stem-cells-in-sinus-lift-augmentation-as-a-dental-implant-technology
#10
REVIEW
Feridoun Parnia, Javad Yazdani, Solmaz Maleki Dizaj
The potential application of stem cell biology in human dentistry is a new and emerging field of research. The objective of the current review was to study the efficiency of mesenchymal stem cells (MSCs) in sinus lift augmentation (SLA). A literature review was performed in PubMed Central using MeSH keywords such as sinus lift, MSCs, dental implants, and augmentation. The searches involved full-text papers written in English, published in the past 10 years (2007-2017). The review included in vitro and in vivo studies on the use of MSCs in SLA...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29756133/biology-of-teeth-and-implants-host-factors-pathology-regeneration-and-the-role-of-stem-cells
#11
F-Michael Eggert, Liran Levin
In chronic periodontitis and peri-implantitis, cells of the innate and adaptive immune systems are involved directly in the lesions within the tissues of the patient. Absence of a periodontal ligament around implants does not prevent a biologic process similar to that of periodontitis from affecting osseointegration. Our first focus is on factors in the biology of individuals that are responsible for the susceptibility of such individuals to chronic periodontitis and to peri-implantitis. Genetic factors are of significant importance in susceptibility to these diseases...
2018: Quintessence International
https://www.readbyqxmd.com/read/29752119/titanium-implant-functionalized-with-antimir-138-delivered-cell-sheet-for-enhanced-peri-implant-bone-formation-and-vascularization
#12
Jun Yan, Bei Chang, Xiangxiang Hu, Can Cao, Lingzhou Zhao, Yumei Zhang
Patients with compromised bone conditions still suffer the problem of deficient osseointegration during dental implant treatment. Developing mesenchymal stem cell (MSC) sheet functionalized titanium implant with proper inductive cue to promote osteogenesis and angiogenesis coupling shall be a good solution. In the present study, the antimiR-138 delivered MSC sheet is used to functionalize the Ti implant. The cell sheet can well integrate with the Ti implant to form the MSC sheet-implant complex (MSIC). The antimiR-138 delivered MSIC shows greatly improved osteogenesis and angiogenesis coupling both in vitro and in vivo...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29744863/photobiomodulation-therapy-and-vitamin-c-on-longevity-of-cell-sheets-of-human-dental-pulp-stem-cells
#13
Ana C F Pedroni, Ivana M A Diniz, Gabriela L Abe, Maria S Moreira, Carla R Sipert, Márcia M Marques
Photobiomodulation therapy (PBMT) can improve processes relevant to tissue regeneration, such as survival, proliferation, migration, and differentiation of cells, including stem cells. Thus, PBMT could be applied as auxiliary therapy for tissue regeneration. Cell sheets (CSs) induced by vitamin C (VC) can generate large amount of cells, which would also be useful for tissue regeneration. VC and PBMT cause opposite effects on cell metabolism (e.g., VC is antioxidative, and PBMT generates reactive oxygen species); however, hDPSC CSs were formed when VC and PBMT+VC were applied...
May 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29741358/fibrous-topography-potentiated-canonical-wnt-signaling-directs-the-odontoblastic-differentiation-of-dental-pulp-derived-stem-cells
#14
Saeed Ur Rahman, Joung-Hwan Oh, Young-Dan Cho, Shin Hye Chung, Gene Lee, Jeong-Hwa Baek, Hyun-Mo Ryoo, Kyung Mi Woo
Nanofibrous engineered matrices have significant potential in cellular differentiation and tissue regeneration. Stem cells require specific extracellular signals that lead to the induction of different lineages. However, the mechanisms by which the nanofibrous matrix promotes mesenchymal stem cell (MSC) differentiation are largely unknown. Here, we investigated the mechanisms which underlie nanofibrous matrix-induced odontoblastic differentiation of human dental pulp MSCs (DP-MSCs). An electrospun polystyrene nanofibrous (PSF) matrix was prepared, and the cell responses to the PSF matrix were assessed in comparison with those on conventional tissue culture dishes...
May 9, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29737458/dental-pulp-stem-cells-exploration-in-a-novel-animal-model-the-tasmanian-devil-sarcophilus-harrisii
#15
REVIEW
Chelsea M Graham, Karlea L Kremer, Simon A Koblar, Monica A Hamilton-Bruce, Stephen B Pyecroft
Dental pulp stem cells (DPSC) are a heterogeneous population of highly proliferative stem cells located in the soft inner pulp tissue of the tooth. Demonstrated to have an affinity for neural differentiation, DPSC have been reported to generate functional Schwann cells (SC) through in vitro differentiation. Both DPSC and SC have neural crest origins, recently a significant population of DPSC have been reported to derive from peripheral nerve-associated glia. The predisposition DPSC have towards the SC lineage is not only a very useful tool for neural regenerative therapies in the medical field, it also holds great promise in the veterinary field...
May 8, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29731830/rho-rho-associated-protein-kinase-signaling-pathway-mediated-downregulation-of-runt-related-transcription-factor-2-expression-promotes-the-differentiation-of-dental-pulp-stem-cells-into-odontoblasts
#16
Xiaoqing Huang, Xiaoling Chen, Hongbai Chen, Dongwei Xu, Chen Lin, Bin Peng
The present study investigated the role of runt-related transcription factor 2 (Runx2) in regulating the differentiation of human dental pulp stem cells (hDPSCs) into odontoblasts under the mediation of the Rho/Rho-associated protein kinase (ROCK) signaling pathway. hDPSCs and human bone marrow mesenchymal stem cells (hBMSCs) were mineralized to induce differentiation. The expression levels of odontoblast- and osteoblast-specific proteins, dentin sialophosphoprotein (DSPP), osteocalcin (OCN) and Runx2, were measured using western blot analysis...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29731777/the-hypoxia-mimetic-agent-cobalt-chloride-differently-affects-human-mesenchymal-stem-cells-in-their-chondrogenic-potential
#17
Gabriella Teti, Stefano Focaroli, Viviana Salvatore, Eleonora Mazzotti, Laura Ingra', Antonio Mazzotti, Mirella Falconi
Adult stem cells are a promising cell source for cartilage regeneration. They resided in a special microenvironment known as the stem-cell niche, characterized by the presence of low oxygen concentration. Cobalt chloride (CoCl2 ) imitates hypoxia in vitro by stabilizing hypoxia-inducible factor-alpha (HIF-1 α ), which is the master regulator in the cellular adaptive response to hypoxia. In this study, the influence of CoCl2 on the chondrogenic potential of human MSCs, isolated from dental pulp, umbilical cord, and adipose tissue, was investigated...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29730288/comparative-characterization-of-stem-cells-from-human-exfoliated-deciduous-teeth-dental-pulp-and-bone-marrow-derived-mesenchymal-stem-cells
#18
Ryo Kunimatsu, Kengo Nakajima, Awada Tetsuya, Yuji Tsuka, Takaharu Abe, Kazuyo Ando, Tomoka Hiraki, Aya Kimura, Kotaro Tanimoto
OBJECTIVES: Mesenchymal stem cells (MSCs) are used clinically in tissue engineering and regenerative medicine. The proliferation and osteogenic differentiation potential of MSCs vary according to factors such as tissue source and cell population heterogeneity. Dental tissue has received attention as an easily accessible source of high-quality stem cells. In this study, we compared the in vitro characteristics of dental pulp stem cells from deciduous teeth (SHED), human dental pulp stem cells (hDPSCs), and human bone marrow mesenchymal stem cells (hBMSCs)...
May 3, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29728886/development-of-a-novel-large-animal-model-to-evaluate-human-dental-pulp-stem-cells-for-articular-cartilage-treatment
#19
Tiago Lazzaretti Fernandes, Kazunori Shimomura, Andre Asperti, Carla Cristina Gomes Pinheiro, Heloísa Vasconcellos Amaral Caetano, Claudia Regina G C M Oliveira, Norimasa Nakamura, Arnaldo José Hernandez, Daniela Franco Bueno
PURPOSE: Chondral lesion is a pathology with high prevalence, reaching as much as 63% of general population and 36% among athletes. The ability of human Dental Pulp Stem Cells (DPSCs) to differentiate into chondroblasts in vitro suggests that this stem cell type may be useful for tissue bioengineering. However, we have yet to identify a study of large animal models in which DPSCs were used to repair articular cartilage. Therefore, this study aimed to describe a novel treatment for cartilage lesion with DPSCs on a large animal model...
May 4, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29726734/preparation-and-characterization-of-titanium-segmented-polyurethane-composites-for-bone-tissue-engineering
#20
Fernando Javier Aguilar-Perez, Rossana Vargas-Coronado, Jose Manuel Cervantes-Uc, Juan Valerio Cauich-Rodriguez, Raul Rosales-Ibañez, Juan Jose Pavon-Palacio, Yadir Torres-Hernandez, Jose Antonio Rodriguez-Ortiz
Segmented polyurethanes were prepared with polycaprolactone diol as soft segment and 4,4-methylene-bis cyclohexyl diisocyanate and l-glutamine as the rigid segment. These polyurethanes were filled with 1 wt.% to 5 wt.% titanium particles (Ti), physicochemically characterized and their biocompatibility assessed using human dental pulp stem cells and mice osteoblasts. Physicochemical characterization showed that composites retained the properties of the semicrystalline polyurethane as they exhibited a glass transition temperature (Tg ) between -35°C and -45°C, melting temperature (Tm ) at 52°C and crystallinity close to 40% as determined by differential scanning calorimetry...
January 1, 2018: Journal of Biomaterials Applications
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