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Dental pulp stem cells

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https://www.readbyqxmd.com/read/28328017/dental-pulp-stem-cells-promote-regeneration-of-damaged-neuron-cells-on-the-cellular-model-of-alzheimer-s-disease
#1
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/28314378/novel-cryopreservation-method-for-the-effective-collection-of-dental-pulp-stem-cells
#2
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/28298928/biological-characteristics-of-fluorescent-superparamagnetic-iron-oxide-labeled-human-dental-pulp-stem-cells
#3
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/28287912/osteogenic-differentiation-of-mesenchymal-stromal-cells-a-comparative-analysis-between-human-subcutaneous-adipose-tissue-and-dental-pulp
#4
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
#5
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
#6
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
#7
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/28258811/human-and-swine-dental-pulp-stem-cells-form-a-vascularlike-network-after-angiogenic-differentiation-in-comparison-with-endothelial-cells-a-quantitative-analysis
#8
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
#9
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
#10
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/28230598/analysis-of-the-adherence-of-dental-pulp-stem-cells-on-two-dimensional-and-three-dimensional-silk-fibroin-based-biomaterials-applications-in-regenerative-dentistry
#11
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
https://www.readbyqxmd.com/read/28229417/a-simplified-and-systematic-method-to-isolate-culture-and-characterize-multiple-types-of-human-dental-stem-cells-from-a-single-tooth
#12
Mohammed Bakkar, Younan Liu, Dongdong Fang, Camille Stegen, Xinyun Su, Murali Ramamoorthi, Li-Chieh Lin, Takako Kawasaki, Nicholas Makhoul, Huan Pham, Yoshinori Sumita, Simon D Tran
This chapter describes a simplified method that allows the systematic isolation of multiple types of dental stem cells such as dental pulp stem cells (DPSC), periodontal ligament stem cells (PDLSC), and stem cells of the apical papilla (SCAP) from a single tooth. Of specific interest is the modified laboratory approach to harvest/retrieve the dental pulp tissue by minimizing trauma to DPSC by continuous irrigation, reduction of frictional heat from the bur rotation, and reduction of the bur contact time with the dentin...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229403/a-simple-protocol-to-isolate-characterize-and-expand-dental-pulp-stem-cells
#13
Federica Di Scipio, Andrea Elio Sprio, Maria Elisabetta Carere, Zhiqian Yang, Giovanni Nicolao Berta
Adult stem cells reside in body tissues to preserve organs and whole organism homeostasis. They are acquiring a prominent role in the contemporary medicine. Many protocols to isolate and cultivate adult stem cells have been so far described, though they are often lengthy, laborious, and require very expansive instruments, materials, and reagents. On this basis, we describe a simple, cheap but at the same time functional method to: (1) isolate dental pulp stem cells (DPSC), (2) expand and cultivate DPSC, (3) cryopreserve DPSC, (4) characterize DPSC, and (5) differentiate DPSC into both mesenchymal and non-mesenchymal lineages...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28217369/regenerative-medicine-using-dental-pulp-stem-cells-for-liver-diseases
#14
EDITORIAL
Shogo Ohkoshi, Hajime Hara, Haruka Hirono, Kazuhiko Watanabe, Katsuhiko Hasegawa
Acute liver failure is a refractory disease and its prognosis, if not treated using liver transplantation, is extremely poor. It is a good candidate for regenerative medicine, where stem cell-based therapies play a central role. Mesenchymal stem cells (MSCs) are known to differentiate into multiple cell lineages including hepatocytes. Autologous cell transplant without any foreign gene induction is feasible using MSCs, thereby avoiding possible risks of tumorigenesis and immune rejection. Dental pulp also contains an MSC population that differentiates into hepatocytes...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28216268/dental-pulp-tissue-regeneration-using-dental-pulp-stem-cells-isolated-and-expanded-in-human-serum
#15
Evandro Piva, Susan A Tarlé, Jacques E Nör, Duohong Zou, Elizabeth Hatfield, Tyler Guinn, Emily J Eubanks, Darnell Kaigler
INTRODUCTION: Dental pulp-derived stem cells (DPSCs) have the potential to regenerate dentin and dental pulp tissue because of their differentiation capacity and angiogenic properties. However, for regenerative approaches to gain regulatory and clinical acceptance, protocols are needed to determine more feasible ways to cultivate DPSCs, namely, without the use of xenogeneic-derived components (animal sera) and exogenous growth factors. METHODS: In this study, human DPSCs were isolated from third molars and expanded in standard culture conditions containing fetal bovine serum (DPSCs-FBS) or conditions containing human serum (DPSCs-HS)...
February 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28215057/efficacy-of-human-platelet-rich-fibrin-exudate-vs-fetal-bovine-serum-on-proliferation-and-differentiation-of-dental-pulp-stem-cells
#16
Mahmoud A Saeed, Mohamed Abd El-Rahman, Mohamed E Helal, Ahmed R Zaher, Mohammed E Grawish
Background and Objectives: The imperative role of dental pulp stem cells (DPSCs) in regenerative therapy demands an in-vitro expansion which must deal with the safety and ethical problems associated with fetal bovine serum (FBS). The primary aim of this study was to compare the effects of human platelet rich fibrin (hPRF) exudate Vs FBS on proliferation and osteodifferentiation of human dental pulp stem cells (hDPSCs). The secondary one was to determine the optimum concentration of hPRF exudate inducing hDPSCs proliferation and osteodifferentiation...
February 28, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28210430/growth-kinetics-and-characterization-of-human-dental-pulp-stem-cells-comparison-between-third-molar-and-first-premolar-teeth
#17
Davood Mehrabani, Parisa Mahdiyar, Kianoosh Torabi, Reza Robati, Shahrokh Zare, Mehdi Dianatpour, Amin Tamadon
BACKGROUND: Dental pulp stem cells (DPSCs) play an important role in tissue regeneration. This study compares the growth kinetics and characterization of third molar and first premolar human DPSCs. MATERIAL AND METHODS: Dental pulp tissues were isolated from human first premolar and third molar teeth and were digested by treating them with collagenase type I. Single-cell suspensions from each dental pulp were seeded in T25 culture flasks and the media were replaced every 3 days until 70% confluence...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28209631/hdpscs-fabricate-a-vascularised-woven-bone-tissue-a-new-tool-in-bone-tissue-engineering
#18
Francesca Paino, Marcella La Noce, Alessandra Giuliani, Alfredo De Rosa, Serena Mazzoni, Luigi Laino, Evzen Amler, Gianpaolo Papaccio, Vincenzo Desiderio, Virginia Tirino
Human dental pulp stem cells (hDPSCs) are mesenchymal stem cells successfully used in human bone tissue engineering. To better establish if these cells can lead to a bone tissue ready to be grafted, we checked DPSCs for their osteogenic and angiogenic differentiation capabilities with the specific aim to obtain a new tool for bone transplantation. Therefore, hDPSCs were specifically selected from the stromal-vascular dental pulp fraction, using appropriate markers and cultured. Growth curves, expression of bone-related markers, calcification, angiogenesis as well as in vivo transplantation assay were performed...
February 16, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28205268/the-effect-of-delta-like-1-homologue-on-the-proliferation-and-odontoblastic-differentiation-in-human-dental-pulp-stem-cells
#19
Shengcai Qi, Yanhong Yan, Yue Wen, Jialiang Li, Jing Wang, Fubo Chen, Xiaoshan Tang, Guangwei Shang, Yuanzhi Xu, Raorao Wang
INTRODUCTION: This study aimed to investigate the functions of delta-like homologue 1 (DLK1) in the proliferation and differentiation of human dental pulp stem cells (hDPSCs). METHODS: Immunohistochemical analysis was used to determine the expression of alkaline phosphatase (ALP), dentin sialophosphoprotein (DSPP), DLK1, NOTCH1 and p-ERK1/2 in the mouse first maxillary molar. Recombinant lentivirus was constructed to overexpress DLK1 stably in hDPSCs. The cell viability and proliferation of hDPSCs were examined by CCK8 and EdU incorporation assay respectively...
February 15, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28198096/treated-dentin-matrix-paste-as-a-novel-pulp-capping-agent-for-dentin-regeneration
#20
Jinlong Chen, Caiyun Cui, Xiangchen Qiao, Bo Yang, Mei Yu, Weihua Guo, Weidong Tian
Regenerating dentin and preserving pulp vitality are the two key targets for the treatment of dental pulp exposure. Calcium hydroxide (CH), the widely used capping agent, may induce potential tunnel defect in reparative dentin and cause inflammation or even necrosis in pulp tissues. This study aimed to produce a novel pulp capping agent with better bioactivities. Treated dentin matrix (TDM) paste (TDMP) was fabricated consisting of TDM powder and aqueous TDM extract. The chemical and biological characteristics of TDMP were investigated, and its effect on the odontogenic differentiation of dental pulp stem cells explored at gene and protein level; the therapeutic effect for pulp exposure in miniature swine was further verified...
February 15, 2017: Journal of Tissue Engineering and Regenerative Medicine
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