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Dental stem cell

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https://www.readbyqxmd.com/read/28335307/zinc-oxide-nanorods-decorated-graphene-nanoplatelets-a-promising-antimicrobial-agent-against-the-cariogenic-bacterium-streptococcus-mutans
#1
Elena Zanni, Chandrakanth Reddy Chandraiahgari, Giovanni De Bellis, Maria Rita Montereali, Giovanna Armiento, Paolo Ballirano, Antonella Polimeni, Maria Sabrina Sarto, Daniela Uccelletti
Nanomaterials are revolutionizing the field of medicine to improve the quality of life due to the myriad of applications stemming from their unique properties, including the antimicrobial activity against pathogens. In this study, the antimicrobial and antibiofilm properties of a novel nanomaterial composed by zinc oxide nanorods-decorated graphene nanoplatelets (ZNGs) are investigated. ZNGs were produced by hydrothermal method and characterized through field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD) techniques...
September 29, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335262/nanomaterials-for-tissue-engineering-in-dentistry
#2
REVIEW
Manila Chieruzzi, Stefano Pagano, Silvia Moretti, Roberto Pinna, Egle Milia, Luigi Torre, Stefano Eramo
The tissue engineering (TE) of dental oral tissue is facing significant changes in clinical treatments in dentistry. TE is based on a stem cell, signaling molecule, and scaffold triad that must be known and calibrated with attention to specific sectors in dentistry. This review article shows a summary of micro- and nanomorphological characteristics of dental tissues, of stem cells available in the oral region, of signaling molecules usable in TE, and of scaffolds available to guide partial or total reconstruction of hard, soft, periodontal, and bone tissues...
July 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28328017/dental-pulp-stem-cells-promote-regeneration-of-damaged-neuron-cells-on-the-cellular-model-of-alzheimer-s-disease
#3
Feixiang Wang, Yali Jia, Jiajing Liu, Jinglei Zhai, Ning Cao, Wen Yue, Huixia He, Xuetao Pei
Alzheimer's disease (AD) is an incurable neurodegenerative disease and many types of stem cells have been used in AD therapy with some favorable effects. In this study, we investigated the potential therapeutical effects of human dental pulp stem cells (hDPSCs) on AD cellular model which established by okadaic acid (OA)-induced damage to human neuroblastoma cell line, SH-SY5Y, in vitro for 24h. After confirmed the AD cellular model, the cells were co-culture with hDPSCs by transwell co-culture system till 24 h for treatment...
March 22, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28316922/miracle-cells-for-natural-dentistry-a-review
#4
REVIEW
Rani Somani, Shipra Jaidka, Neeti Bajaj, Sameksha Arora
Stem cells are undifferentiated cells that can differentiate into specialized cells. Recently, enormous growth has been seen in the recognition of stem cell-based therapies, which have the potential to ameliorate the life of patients with conditions that span from Parkinson's disease to cardiac ischemia to bone or tooth loss. This research has produced new but unexplored possibilities in the regeneration of different organs and tissues. Presently, research is focused on the proficiency of stem cells and their utilization in dentistry, which is gaining interest...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28314378/novel-cryopreservation-method-for-the-effective-collection-of-dental-pulp-stem-cells
#5
Yusuke Takebe, Seiko Tatehara, Tatsuhiro Fukushima, Reiko Tokuyama-Toda, Rika Yasuhara, Kenji Mishima, Kazuhito Satomura
Dental pulp stem cells (DPSCs) are an attractive cell source for use in cell-based therapy, regenerative medicine, and tissue engineering because DPSCs have high cell proliferation ability and multi-differentiation capacity. However, several problems are associated with the collection and preservation of DPSCs for future cell-based therapy. In addition, the isolation of DPSCs for cryopreservation is time-consuming and expensive. In this study, we developed a novel cryopreservation method for dental pulp tissues that can isolate suitable DPSCs after thawing cryopreserved tissue...
March 17, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28301220/periostin-promotes-migration-proliferation-and-differentiation-of-human-periodontal-ligament-mesenchymal-stem-cells
#6
Ziqiang Wu, Wenyong Dai, Pei Wang, Xiaozhen Zhang, Yi Tang, Lin Liu, Qiaona Wang, Ming Li, Chunbo Tang
PURPOSE: Periostin (POSTN) is critical to bone and dental tissue morphogenesis, postnatal development, and maintenance, however, its roles in tissue repair and regeneration mediated by human periodontal ligament mesenchymal stem cells (PDLSCs) remain unclear. The present study was designed to evaluate the effects of POSTN on hPDLSCs in vitro. MATERIALS AND METHODS: hPDLSCs were isolated and characterized by their expression of the cell surface markers CD44, CD90, CD105, CD34, and CD45...
March 16, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28299448/capacity-of-muscle-derived-stem-cells-and-pericytes-to-promote-tendon-graft-integration-and-ligamentization-following-anterior-cruciate-ligament-reconstruction
#7
Tomislav Ćuti, Maja Antunović, Inga Marijanović, Alan Ivković, Andreja Vukasović, Igor Matić, Marko Pećina, Damir Hudetz
PURPOSE: The aim of this study is to examine the capacity of muscle tissue preserved on hamstring tendons forming candy-stripe grafts in order to improve tendon to bone ingrowth and ligamentization. We hypothesized that muscle tissue does possess a stem cell population that could enhance the healing process of the ACL graft when preserved on the tendons. METHODS: Human samples from gracilis and semitendinosus muscles were collected during ACL surgery from ten patients and from these tissue samples human muscle-derived stem cells and tendon-derived stem cells were isolated and propagated...
March 15, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28298928/biological-characteristics-of-fluorescent-superparamagnetic-iron-oxide-labeled-human-dental-pulp-stem-cells
#8
Liang Ma, Ming-Wei Li, Yu Bai, Hui-Hui Guo, Sheng-Chao Wang, Qing Yu
Tracking transplanted stem cells is necessary to clarify cellular properties and improve transplantation success. In this study, we investigate the effects of fluorescent superparamagnetic iron oxide particles (SPIO) (Molday ION Rhodamine-B™, MIRB) on biological properties of human dental pulp stem cells (hDPSCs) and monitor hDPSCs in vitro and in vivo using magnetic resonance imaging (MRI). Morphological analysis showed that intracellular MIRB particles were distributed in the cytoplasm surrounding the nuclei of hDPSCs...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28291861/bone-regeneration-using-adipose-derived-stem-cells-with-fibronectin-in-dehiscence-type-defects-associated-with-dental-implants-an-experimental-study-in-a-dog-model
#9
Maria Àngels Sánchez-Garcés, Joaquín Alvira-González, Claudia Müller Sánchez, Joan R Barbany Cairó, Manuel Reina Del Pozo, Cosme Gay-Escoda
PURPOSE: To determine the bone regeneration potential of a ceramic biomaterial coated with fibronectin and adipose-derived stem cells covered in three-wall critical-size defects associated with dental implants. MATERIALS AND METHODS: In a total of 18 dogs, four dehiscence-type and critical-size defects were created surgically in the edentulous alveolar ridge with the simultaneous placement of dental implants. Defects were randomly regenerated using biomaterials coated with particulate ß-tricalcium phosphate (β-TCP), β-TCP with fibronectin (Fn) (β-TCP-Fn), and β-TCP with a combination of Fn and autologous adipose-derived stem cells (ADSCs) (β-TCP-Fn-ADSCs), leaving one defect as the control...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28287912/osteogenic-differentiation-of-mesenchymal-stromal-cells-a-comparative-analysis-between-human-subcutaneous-adipose-tissue-and-dental-pulp
#10
Iolanda D'Alimonte, Filiberto Mastrangelo, Patricia Giuliani, Laura Pierdomenico, Marco Marchisio, Mariachiara Zuccarini, Patrizia Di Iorio, Raimondo Quaresima, Francesco Caciagli, Renata Ciccarelli
White adipose tissue is a source of mesenchymal stromal/stem cells (MSCs) that are actively studied for their possible therapeutic use in bone tissue repair/remodeling. To better appreciate the osteogenic potential of these cells, we compared some properties of MSCs from human subcutaneous adipose tissue [subcutaneous-adipose stromal cells (S-ASCs)] and dental pulp stem cell (DPSCs) of third-impacted molars, the latter representing a well-established MSC source. Both undifferentiated cell types showed similar fibroblast-like morphology and mesenchymal marker expression...
March 13, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28285576/decellularized-bone-extracellular-matrix-and-human-dental-pulp-stem-cells-as-a-construct-for-bone-regeneration
#11
Francesco Paduano, Massimo Marrelli, Noura Alom, Mahetab Amer, Lisa J White, Kevin M Shakesheff, Marco Tatullo
Dental pulp tissue represents a source of mesenchymal stem cells that have a strong differentiation potential towards the osteogenic lineage. The objective of the current study was to examine in vitro osteogenic induction of dental pulp stem cells (DPSCs) cultured on hydrogel scaffolds derived from decellularized bone extracellular matrix (bECM) compared to collagen type I (Col-I), the major component of bone matrix. DPSCs in combination with bECM hydrogels were cultured under three different conditions: basal medium, osteogenic medium and medium supplemented with growth factors (GFs) and cell growth, mineral deposition, gene and protein expression were investigated...
March 13, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28281945/complication-after-extraction-of-natal-teeth-with-continued-growth-of-a-dental-papilla
#12
Sook Hee Kim, Young-Ah Cho, Ok Hyung Nam, Mi Sun Kim, Sung Chul Choi, Hyo-Seol Lee
The purposes of this case report were to describe a growing two-cm gingival mass that developed after natal teeth were extracted in a four-month-old female patient, present a review of the literature on the growth of a gingival mass after the extraction of natal teeth, and illustrate the clinical and histological features that differentiate this condition from other types of gingival masses in infants. Histological examination of the excised mass revealed that it contained tooth-like hard tissue (regular and irregular dentin) that intermingled with bone, dental pulp, and fibrous tissue...
November 15, 2016: Pediatric Dentistry
https://www.readbyqxmd.com/read/28279187/pulp-regeneration-by-transplantation-of-dental-pulp-stem-cells-in-pulpitis-a-pilot-clinical-study
#13
Misako Nakashima, Koichiro Iohara, Masashi Murakami, Hiroshi Nakamura, Yayoi Sato, Yoshiko Ariji, Kenji Matsushita
BACKGROUND: Experiments have previously demonstrated the therapeutic potential of mobilized dental pulp stem cells (MDPSCs) for complete pulp regeneration. The aim of the present pilot clinical study is to assess the safety, potential efficacy, and feasibility of autologous transplantation of MDPSCs in pulpectomized teeth. METHODS: Five patients with irreversible pulpitis were enrolled and monitored for up to 24 weeks following MDPSC transplantation. The MDPSCs were isolated from discarded teeth and expanded based on good manufacturing practice (GMP)...
March 9, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28276477/in-vivo-longitudinal-visualization-of-bone-marrow-engraftment-process-in-mouse-calvaria-using-two-photon-microscopy
#14
Viet-Hoan Le, Seunghun Lee, Seungwon Lee, Taejun Wang, Won Hyuk Jang, Yeoreum Yoon, Soonjae Kwon, Hyekang Kim, Seung-Woo Lee, Ki Hean Kim
Intravital microscopy of mouse calvarial bone marrow (BM) is a powerful method for studying hematopoietic stem cells (HSCs) and the BM microenvironment at the cellular level. However, the current method used to access the mouse calvaria allows for only a few imaging times in the same mouse because of scar formation and inflammation induced by multiple surgeries. Longitudinal imaging of the BM may help better understand its microenvironment. In this study, a mouse calvarial window model was developed for longitudinal imaging that involves attaching a cover glass window onto the mouse calvaria and sealing the surrounding exposed area with cyanoacrylate glue and dental cement...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28258811/human-and-swine-dental-pulp-stem-cells-form-a-vascularlike-network-after-angiogenic-differentiation-in-comparison-with-endothelial-cells-a-quantitative-analysis
#15
Hacer Aksel, George T-J Huang
INTRODUCTION: The aim of this study was to quantify vascular network formation capacity after angiogenic induction of human and swine dental pulp stem cells (DPSCs) in comparison with endothelial cells. METHODS: Primary human DPSCs or swine DPSCs were induced in endothelial growth medium for 7 days. The expression of the endothelial marker von Willebrand factor was determined by immunostaining. Induced DPSCs (iDPSCs) and noninduced DPSCs (niDPSCs) were seeded at different cell numbers onto Matrigel (BD Biosciences, San Jose, CA) for vascular network formation assays and analyzed after 4, 8, 12, and 18 hours in comparison with human microvascular endothelial cells (hMECs)...
February 28, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28257256/biological-effects-of-provisional-resin-materials-on-human-dental-pulp-stem-cells
#16
S-K Jun, C Mahapatra, H-H Lee, H-W Kim, J-H Lee
OBJECTIVES: This study investigated the in vitro cytotoxicity as well as the proinflammatory cytokine expression of provisional resin materials on primary cultured human dental pulp stem cells (hDPSCs). METHODS: Five commercially available provisional resin materials were chosen (SNAP [SN], Luxatemp [LT], Jet [JE], Revotek LC [RL], and Vipi block [VB]). Eluates that were either polymerizing or already set were added to hDPSCs under serially diluted conditions divided into three different setting times (25% set, 50% set, and 100% set) and incubated for 24 hours with 2× concentrated culture media...
March 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28254309/osteo-growth-induction-titanium-surface-treatment-reduces-ros-production-of-mesenchymal-stem-cells-increasing-their-osteogenic-commitment
#17
Paolo Ghensi, Eriberto Bressan, Chiara Gardin, Letizia Ferroni, Lucio Ruffato, Mauro Caberlotto, Claudio Soldini, Barbara Zavan
Surface characteristics play a special role for the biological performance of implants and several strategies are available to this end. The OGI (Osteo Growth Induction) titanium surface is a surface, obtained by applying a strong acid onto the blasted surface. The aim of this in-vitro study is to evaluate in vitro the osteoproperties of OGI surfaces on Mesenchymal Stem cells derived from dental pulp. Our results confirm that this treatment exert a positive effect on mitochondrial homeostasis, as shown by a decrease in ROS production related to environmental stress on the mitochondria...
May 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28244619/sfrp2-enhanced-the-adipogenic-and-neuronal-differentiation-potentials-of-stem-cells-from-apical-papilla
#18
Xiao Lin, Rui Dong, ShuDiao Hao, Guoxia Yu, Liping Wang, Jun Li, Zhipeng Fan
Dental tissue-derived mesenchymal stem cells (MSCs) are easily obtained and considered as a favorable cell source for tissue engineering, but the regulation of direct differentiation is unknown which restricts their application. The present study investigated the effect of SFRP2, a WNT signaling modulator, on MSC differentiation using stem cells from apical papilla (SCAPs). The cells were cultured in specific inducing medium for adipogenic, neurogenic, or chondrogenic differentiation. Over-expression of SFRP2 via lentiviral infection enhanced the adipogenic and neurogenic differentiation of SCAPs...
February 28, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28243092/osteogenic-activity-of-titanium-surfaces-with-hierarchical-micro-nano-structures-obtained-by-hydrofluoric-acid-treatment
#19
Jianfei Liang, Shanshan Xu, Mingming Shen, Bingkun Cheng, Yongfeng Li, Xiangwei Liu, Dongze Qin, Anuj Bellare, Liang Kong
An easier method for constructing the hierarchical micro-/nano-structures on the surface of dental implants in the clinic is needed. In this study, three different titanium surfaces with microscale grooves (width 0.5-1, 1-1.5, and 1.5-2 μm) and nanoscale nanoparticles (diameter 20-30, 30-50, and 50-100 nm, respectively) were obtained by treatment with different concentrations of hydrofluoric acid (HF) and at different etching times (1%, 3 min; 0.5%, 12 min; and 1.5%, 12 min, respectively; denoted as groups HF1, HF2, and HF3)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28230598/analysis-of-the-adherence-of-dental-pulp-stem-cells-on-two-dimensional-and-three-dimensional-silk-fibroin-based-biomaterials-applications-in-regenerative-dentistry
#20
María Pilar Pecci-Lloret, Mar Vera-Sánchez, Salvador Aznar-Cervantes, David García-Bernal, Ricardo Oñate Sánchez, Miguel Ramón Pecci-Lloret, José María Moraleda, José Luis Cenis, Francisco Javier Rodríguez-Lozano
Among various biomaterials used as scaffolds in tissue engineering, silk fibroin is a highly attractive material. A scaffold should be biocompatible and nontoxic, with optimal physical features and mechanical properties. For this reason, tissue-engineering approaches in regenerative medicine have focused on investigating the biocompatibility of possible biomaterials by analyzing cell-scaffold interaction properties. The aim of the present study was to examine the biocompatibility of silk fibroin as a film (two-dimensional [2D]) and a scaffold (three-dimensional [3D]) after being cellularized with human dental pulp stem cells (hDPSCs)...
February 22, 2017: Journal of Craniofacial Surgery
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