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Sun J, He L, An Q, Ye X, Ma J, Yan J, Xie X, Sun X, Niu Y, Cao W. Graphene/ chitosan tubes inoculated with dental pulp stem cells promotes repair of facial nerve injury. Front Chem 2024; 12:1417763. [PMID: 38887698 PMCID: PMC11180760 DOI: 10.3389/fchem.2024.1417763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 05/15/2024] [Indexed: 06/20/2024] Open
Abstract
Introduction: Facial nerve injury significantly impacts both the physical and psychological] wellbeing of patients. Despite advancements, there are still limitations associated with autografts transplantation. Consequently, there is an urgent need for effective artificial grafts to address these limitations and repair injuries. Recent years have witnessed the recognition of the beneficial effects of chitosan (CS) and graphene in the realm of nerve repair. Dental pulp stem cells (DPSCs) hold great promise due to their high proliferative and multi-directional differentiation capabilities. Methods: In this study, Graphene/CS (G/CST) composite tubes were synthesized and their physical, chemical and biological properties were evaluated, then DPSCs were employed as seed cells and G/CST as a scaffold to investigate their combined effect on promoting facial nerve injury repair. Results and Disscussion: The experimental results indicate that G/CST possesses favorable physical and chemical properties, along with good cyto-compatibility. making it suitable for repairing facial nerve transection injuries. Furthermore, the synergistic application of G/CST and DPSCs significantly enhanced the repair process for a 10 mm facial nerve defect in rabbits, highlighting the efficacy of graphene as a reinforcement material and DPSCs as a functional material in facial nerve injury repair. This approach offers an effective treatment strategy and introduces a novel concept for clinically managing facial nerve injuries.
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Affiliation(s)
- Jingxuan Sun
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Lina He
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Qi An
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Xu Ye
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Jinjie Ma
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Jing Yan
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Xiaoqi Xie
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Xiangyu Sun
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Yumei Niu
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin, China
| | - Wenxin Cao
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin, China
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, China
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2
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Chang SY, Chen RS, Chang JYF, Chen MH. The temporospatial relationship between mouse dental pulp stem cells and tooth innervation. J Dent Sci 2024; 19:1075-1082. [PMID: 38618089 PMCID: PMC11010667 DOI: 10.1016/j.jds.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/07/2024] [Indexed: 04/16/2024] Open
Abstract
Background/purpose Dental pulp stem cells (DPSCs) exhibit versatile differentiation capabilities, including neural differentiation, prompting the hypothesis that they may be implicated in the neurodevelopment of teeth. This study aimed to explore the temporospatial dynamics between DPSCs and tooth innervation, employing immunofluorescence staining and fluorescent dye injections to investigate the distribution of DPSCs, neural stem cells (NSCs), nerve growth cones, and sensory nerves in developing mouse tooth germs at various stages. Materials and methods Immunofluorescence staining targeting CD146, Nestin, and GAP-43, along with the injection of AM1-43 fluorescent dye, were utilized to observe the distribution of DPSCs, NSCs, nerve growth cones, and sensory nerves in mouse tooth germs at different developmental stages. Results Positive CD146 immunostaining was observed in microvascular endothelial cells and pericytes within and around the tooth germ. The percentage of CD146-positive cells remained consistent between 4-day-old and 8-day-old second molar tooth germs. Conversely, Nestin expression in odontoblasts and their processes decreased in 8-day-old tooth germs compared to 4-day-old ones. Positive immunostaining for GAP-43 and AM1-43 fluorescence revealed the entry of nerve growth cones and sensory nerves into the pulp in 8-day-old tooth germs, while these elements were confined to the dental follicle in 4-day-old germs. No co-localization of CD146-positive DPSCs with nerve growth cones and sensory nerves was observed. Conclusion DPSCs and NSCs were present in dental pulp tissue before nerves penetrated the pulp. The decline in NSCs after nerve entry suggests a potential role for DPSCs and NSCs in attracting neural growth and/or differentiation within the pulp.
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Affiliation(s)
- Shu-Ya Chang
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Department of Prosthodontics, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan City, Taiwan
| | - Rung-Shu Chen
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Julia Yu Fong Chang
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Min-Huey Chen
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
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Ivan A, Cristea MI, Telea A, Oprean C, Galuscan A, Tatu CA, Paunescu V. Stem Cells Derived from Human Exfoliated Deciduous Teeth Functional Assessment: Exploring the Changes of Free Fatty Acids Composition during Cultivation. Int J Mol Sci 2023; 24:17249. [PMID: 38139076 PMCID: PMC10743411 DOI: 10.3390/ijms242417249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
The metabolic regulation of stemness is widely recognized as a crucial factor in determining the fate of stem cells. When transferred to a stimulating and nutrient-rich environment, mesenchymal stem cells (MSCs) undergo rapid proliferation, accompanied by a change in protein expression and a significant reconfiguration of central energy metabolism. This metabolic shift, from quiescence to metabolically active cells, can lead to an increase in the proportion of senescent cells and limit their regenerative potential. In this study, MSCs from human exfoliated deciduous teeth (SHEDs) were isolated and expanded in vitro for up to 10 passages. Immunophenotypic analysis, growth kinetics, in vitro plasticity, fatty acid content, and autophagic capacity were assessed throughout cultivation to evaluate the functional characteristics of SHEDs. Our findings revealed that SHEDs exhibit distinctive patterns of cell surface marker expression, possess high self-renewal capacity, and have a unique potential for neurogenic differentiation. Aged SHEDs exhibited lower proliferation rates, reduced potential for chondrogenic and osteogenic differentiation, an increasing capacity for adipogenic differentiation, and decreased autophagic potential. Prolonged cultivation of SHEDs resulted in changes in fatty acid composition, signaling a transition from anti-inflammatory to proinflammatory pathways. This underscores the intricate connection between metabolic regulation, stemness, and aging, crucial for optimizing therapeutic applications.
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Affiliation(s)
- Alexandra Ivan
- Department of Immunology and Allergology, Biology, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (C.A.T.); (V.P.)
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
| | - Mirabela I. Cristea
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
| | - Ada Telea
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
| | - Camelia Oprean
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
- Department of Drug analysis, Chemistry of the Environment and Food, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Atena Galuscan
- Translational and Experimental Clinical Research Centre in Oral Health, Department of Preventive, Community Dentistry and Oral Health, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Calin A. Tatu
- Department of Immunology and Allergology, Biology, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (C.A.T.); (V.P.)
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
| | - Virgil Paunescu
- Department of Immunology and Allergology, Biology, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (C.A.T.); (V.P.)
- Center for Gene and Cellular Therapies in the Treatment of Cancer—Oncogen Center, Clinical County Hospital “Pius Brînzeu”, 300723 Timisoara, Romania; (M.I.C.); (A.T.); (C.O.)
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4
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Xing WB, Wu ST, Wang XX, Li FY, Wang RX, He JH, Fu J, He Y. Potential of dental pulp stem cells and their products in promoting peripheral nerve regeneration and their future applications. World J Stem Cells 2023; 15:960-978. [PMID: 37970238 PMCID: PMC10631371 DOI: 10.4252/wjsc.v15.i10.960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/07/2023] [Accepted: 10/23/2023] [Indexed: 10/26/2023] Open
Abstract
Peripheral nerve injury (PNI) seriously affects people's quality of life. Stem cell therapy is considered a promising new option for the clinical treatment of PNI. Dental stem cells, particularly dental pulp stem cells (DPSCs), are adult pluripotent stem cells derived from the neuroectoderm. DPSCs have significant potential in the field of neural tissue engineering due to their numerous advantages, such as easy isolation, multidifferentiation potential, low immunogenicity, and low transplant rejection rate. DPSCs are extensively used in tissue engineering and regenerative medicine, including for the treatment of sciatic nerve injury, facial nerve injury, spinal cord injury, and other neurodegenerative diseases. This article reviews research related to DPSCs and their advantages in treating PNI, aiming to summarize the therapeutic potential of DPSCs for PNI and the underlying mechanisms and providing valuable guidance and a foundation for future research.
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Affiliation(s)
- Wen-Bo Xing
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Shu-Ting Wu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Xin-Xin Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Fen-Yao Li
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Ruo-Xuan Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Ji-Hui He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Jiao Fu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
| | - Yan He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- First Clinical College, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- Department of Stomatology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan 430000, Hubei Province, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, Hubei Province, China.
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5
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Zhang C, Ye W, Zhao M, Long L, Xia D, Fan Z. MLL1 inhibits the neurogenic potential of SCAPs by interacting with WDR5 and repressing HES1. Int J Oral Sci 2023; 15:48. [PMID: 37852994 PMCID: PMC10584904 DOI: 10.1038/s41368-023-00253-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/20/2023] Open
Abstract
Mesenchymal stem cell (MSC)-based therapy has emerged as a promising treatment for spinal cord injury (SCI), but improving the neurogenic potential of MSCs remains a challenge. Mixed lineage leukemia 1 (MLL1), an H3K4me3 methyltransferases, plays a critical role in regulating lineage-specific gene expression and influences neurogenesis. In this study, we investigated the role and mechanism of MLL1 in the neurogenesis of stem cells from apical papilla (SCAPs). We examined the expression of neural markers, and the nerve repair and regeneration ability of SCAPs using dynamic changes in neuron-like cells, immunofluorescence staining, and a SCI model. We employed a coimmunoprecipitation (Co-IP) assay, real-time RT-PCR, microarray analysis, and chromatin immunoprecipitation (ChIP) assay to investigate the molecular mechanism. The results showed that MLL1 knock-down increased the expression of neural markers, including neurogenic differentiation factor (NeuroD), neural cell adhesion molecule (NCAM), tyrosine hydroxylase (TH), βIII-tubulin and Nestin, and promoted neuron-like cell formation in SCAPs. In vivo, a transplantation experiment showed that depletion of MLL 1 in SCAPs can restore motor function in a rat SCI model. MLL1 can combine with WD repeat domain 5 (WDR5) and WDR5 inhibit the expression of neural markers in SCAPs. MLL1 regulates Hairy and enhancer of split 1 (HES1) expression by directly binds to HES1 promoters via regulating H3K4me3 methylation by interacting with WDR5. Additionally, HES1 enhances the expression of neural markers in SCAPs. Our findings demonstrate that MLL1 inhibits the neurogenic potential of SCAPs by interacting with WDR5 and repressing HES1. These results provide a potential therapeutic target for promoting the recovery of motor function in SCI patients.
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Affiliation(s)
- Chen Zhang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
- Department of Dental Emergency, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Weilong Ye
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Mengyao Zhao
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Lujue Long
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Dengsheng Xia
- Department of Dental Emergency, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Zhipeng Fan
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China.
- Beijing Laboratory of Oral Health, Capital Medical University, Beijing, China.
- Research Unit of Tooth Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China.
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6
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Pan H, Yang Y, Xu H, Jin A, Huang X, Gao X, Sun S, Liu Y, Liu J, Lu T, Wang X, Zhu Y, Jiang L. The odontoblastic differentiation of dental mesenchymal stem cells: molecular regulation mechanism and related genetic syndromes. Front Cell Dev Biol 2023; 11:1174579. [PMID: 37818127 PMCID: PMC10561098 DOI: 10.3389/fcell.2023.1174579] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 08/24/2023] [Indexed: 10/12/2023] Open
Abstract
Dental mesenchymal stem cells (DMSCs) are multipotent progenitor cells that can differentiate into multiple lineages including odontoblasts, osteoblasts, chondrocytes, neural cells, myocytes, cardiomyocytes, adipocytes, endothelial cells, melanocytes, and hepatocytes. Odontoblastic differentiation of DMSCs is pivotal in dentinogenesis, a delicate and dynamic process regulated at the molecular level by signaling pathways, transcription factors, and posttranscriptional and epigenetic regulation. Mutations or dysregulation of related genes may contribute to genetic diseases with dentin defects caused by impaired odontoblastic differentiation, including tricho-dento-osseous (TDO) syndrome, X-linked hypophosphatemic rickets (XLH), Raine syndrome (RS), hypophosphatasia (HPP), Schimke immuno-osseous dysplasia (SIOD), and Elsahy-Waters syndrome (EWS). Herein, recent progress in the molecular regulation of the odontoblastic differentiation of DMSCs is summarized. In addition, genetic syndromes associated with disorders of odontoblastic differentiation of DMSCs are discussed. An improved understanding of the molecular regulation and related genetic syndromes may help clinicians better understand the etiology and pathogenesis of dentin lesions in systematic diseases and identify novel treatment targets.
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Affiliation(s)
- Houwen Pan
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yiling Yang
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Hongyuan Xu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Anting Jin
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Xiangru Huang
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Xin Gao
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Siyuan Sun
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yuanqi Liu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Jingyi Liu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Tingwei Lu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Xinyu Wang
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yanfei Zhu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
| | - Lingyong Jiang
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology, Shanghai, China
- National Clinical Research Center for Oral Disease, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Shanghai Research Institute of Stomatology, Shanghai, China
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7
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Nemati Mahand S, Jahanmardi R, Kruppke B, Khonakdar HA. Sciatic nerve injury regeneration in adult male rats using gelatin methacrylate (GelMA)/poly(2-ethy-2-oxazoline) (PEtOx) hydrogel containing 4-aminopyridine (4-AP). J Biomed Mater Res A 2023; 111:1243-1252. [PMID: 36808867 DOI: 10.1002/jbm.a.37514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 01/02/2023] [Accepted: 02/06/2023] [Indexed: 02/22/2023]
Abstract
One of the most important parts of the body is the peripheral nervous system, and any injuries in this system may result in potentially lethal consequences or severe side effects. The peripheral nervous system may not rehabilitate the harmed regions following disabling disorders, which reduce the quality of life of patients. Fortunately, in recent years, hydrogels have been proposed as exogenous alternatives to bridge damaged nerve stumps to create a useful microenvironment for advancing nerve recovery. However, hydrogel-based medicine in the therapy of peripheral nerve injury still needs a lot of improvement. In this study, GelMA/PEtOx hydrogel was used for the first time to deliver 4-Aminopyridine (4-AP) small molecules. 4-AP is a broad-spectrum potassium channel blocker, which has been demonstrated to increase neuromuscular function in patients with various demyelinating disorders. The prepared hydrogel showed a porosity of 92.2 ± 2.6% after 20 min, swelling ratio of 456.01 ± 2.0% after 180 min, weight loss of 81.7 ± 3.1% after 2 weeks, and good blood compatibility as well as sustainable drug release. MTT analysis was performed to assess the cell viability of the hydrogel and proved that the hydrogel is an appropriate substrate for the survival of cells. In vivo studies were performed for functional analysis and the sciatic functional index (SFI) as well as hot plate latency results showed that the use of GelMA/PEtOx+4-AP hydrogel enhances the regeneration compared to the GelMA/PEtOx hydrogel and the control group.
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Affiliation(s)
- Saba Nemati Mahand
- Department of Polymer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Reza Jahanmardi
- Department of Polymer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Benjamin Kruppke
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technische Universität Dresden, Dresden, Germany
| | - Hossein Ali Khonakdar
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technische Universität Dresden, Dresden, Germany
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran
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8
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Salkin H, Acar MB, Gonen ZB, Basaran KE, Ozcan S. Comparative proteomics analysis of transforming growth factor-beta1-overexpressed human dental pulp stem cell-derived secretome on CD44-mediated fibroblast activation via canonical smad signal pathway. Connect Tissue Res 2023; 64:205-218. [PMID: 36421034 DOI: 10.1080/03008207.2022.2144733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE The aim of this study investigates whether the secretome collected from human dental pulp stem cells (hDPSCs) transfected with transforming growth factor-beta1 (TGF-β1) is related to CD44 expression of fibroblasts and canonical smad signaling pathway via proteomic analyzes. MATERIALS AND METHODS In order to obtain secretome, hDPSCs were conditioned with serum-free alpha-MEM in an incubator containing 37°C, 5% CO2, and humidity for 18-24 h. Proteins in control and TGF-β1 secretome were analyzed by tandem mass spectrometry-based shotgun proteomic method. Bioinformatic evaluations were completed via Ingenuity Pathway Analysis (IPA, QIAGEN) software. CD44 expressions in fibroblasts were evaluated by real time-PCR, western blot, and immunofluorescent staining. The relationship of canonical smad pathway and CD44 was analyzed by western blot and LC-MS/MS. Cell cycle, proliferation and wound healing tests were performed in the secretome groups. RESULTS Venn diagram was showed 174 common proteins were identified from each group. In the control secretome 140 unique proteins were identified and 66 entries were exclusive for TGF-β1 secretome. CD44 gene and protein expressions were increased in fibroblasts treated with TGF-β1 secretome. Relationship between targeted protein data showed that activation of the canonical TGF-β1/Smad pathway was up-regulated CD44 expression in fibroblasts. The canonical smad pathway-mediated upregulation of CD44 may increase the mitotic activity, proliferation, and wound healing potential in fibroblasts. CONCLUSION While TGF-β1-transfected hDPSC secretome may be a potential therapeutic candidate in regenerative connective tissue therapies as it induces fibroblast activation, anti-TGF-β1-based therapies would be considered in histopathological conditions such as pulmonary fibrosis or hepatic fibrosis.
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Affiliation(s)
- H Salkin
- Vocational School, Department of Medical Services and Techniques, Program of Pathology Laboratory Techniques, Beykent University, Istanbul, Turkey
| | - M B Acar
- Genome and Stem Cell Center, Erciyes University, Kayseri, Turkey
| | - Z B Gonen
- Genome and Stem Cell Center, Erciyes University, Kayseri, Turkey
| | - K E Basaran
- Department of Physiology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - S Ozcan
- Department of Biology, Faculty of Science, Erciyes University, Kayseri, Turkey
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9
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Dwivedi S, Choudhary P, Gupta A, Singh S. Therapeutical growth in oligodendroglial fate induction via transdifferentiation of stem cells for neuroregenerative therapy. Biochimie 2023; 211:35-56. [PMID: 36842627 DOI: 10.1016/j.biochi.2023.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/20/2022] [Accepted: 02/21/2023] [Indexed: 02/27/2023]
Abstract
The merits of stem cell therapy and research are undisputed due to their widespread usage in the treatment of neurodegenerative diseases and demyelinating disorders. Cell replacement therapy especially revolves around stem cells and their induction into different cell lineages both adult and progenitor - belonging to each germ layer, prior to transplantation or disease modeling studies. The nervous system is abundant in glial cells and among these are oligodendrocytes capable of myelinating new-born neurons and remyelination of axons with lost or damaged myelin sheath. But demyelinating diseases generate tremendous deficit between myelin loss and recovery. To compensate for this loss, analyze the defects in remyelination mechanisms as well as to trigger full recovery in such patients mesenchymal stem cells (MSCs) have been induced to transdifferentiate into oligodendrocytes. But such experiments are riddled with problems like prolonged, tenuous and complicated protocols that stretch longer than the time taken for the spread of demyelination-associated after-effects. This review delves into such protocols and the combinations of different molecules and factors that have been recruited to derive bona fide oligodendrocytes from in vitro differentiation of embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs) and MSCs with special focus on MSC-derived oligodendrocytes.
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Affiliation(s)
- Shrey Dwivedi
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Princy Choudhary
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Ayushi Gupta
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Sangeeta Singh
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India.
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10
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Fu J, Li X, Jin F, Dong Y, Zhou H, Alhaskawi A, Wang Z, Lai J, Yao C, Ezzi SHA, Kota VG, Hasan Abdulla Hasan Abdulla M, Chen B, Lu H. The potential roles of dental pulp stem cells in peripheral nerve regeneration. Front Neurol 2023; 13:1098857. [PMID: 36712432 PMCID: PMC9874689 DOI: 10.3389/fneur.2022.1098857] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/28/2022] [Indexed: 01/12/2023] Open
Abstract
Peripheral nerve diseases are significantly correlated with severe fractures or trauma and surgeries, leading to poor life quality and impairment of physical and mental health. Human dental pulp stem cells (DPSCs) are neural crest stem cells with a strong multi-directional differentiation potential and proliferation capacity that provide a novel cell source for nerve regeneration. DPSCs are easily extracted from dental pulp tissue of human permanent or deciduous teeth. DPSCs can express neurotrophic and immunomodulatory factors and, subsequently, induce blood vessel formation and nerve regeneration. Therefore, DPSCs yield valuable therapeutic potential in the management of peripheral neuropathies. With the purpose of summarizing the advances in DPSCs and their potential applications in peripheral neuropathies, this article reviews the biological characteristics of DPSCs in association with the mechanisms of peripheral nerve regeneration.
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Affiliation(s)
- Jing Fu
- 1Department of Stomatology, Affiliated Hangzhou Xixi Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xigong Li
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Feilu Jin
- 3Oral and Maxillofacial Surgery Department, The Second Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China
| | - Yanzhao Dong
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Haiying Zhou
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Ahmad Alhaskawi
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zewei Wang
- 4Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jingtian Lai
- 4Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Chengjun Yao
- 4Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | | | - Vishnu Goutham Kota
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | | | - Bin Chen
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hui Lu
- 2Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China,6Alibaba-Zhejiang University Joint Research Center of Future Digital Healthcare, Zhejiang University, Hangzhou, Zhejiang, China,*Correspondence: Hui Lu ✉
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11
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Dieterle MP, Gross T, Steinberg T, Tomakidi P, Becker K, Vach K, Kremer K, Proksch S. Characterization of a Stemness-Optimized Purification Method for Human Dental-Pulp Stem Cells: An Approach to Standardization. Cells 2022; 11:cells11203204. [PMID: 36291072 PMCID: PMC9600643 DOI: 10.3390/cells11203204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/06/2022] [Accepted: 10/09/2022] [Indexed: 11/16/2022] Open
Abstract
Human dental pulp stem cells (hDPSCs) are promising for oral/craniofacial regeneration, but their purification and characterization is not yet standardized. hDPSCs from three donors were purified by magnetic activated cell sorting (MACS)-assisted STRO-1-positive cell enrichment (+), colony derivation (c), or a combination of both (c/+). Immunophenotype, clonogenicity, stemness marker expression, senescence, and proliferation were analyzed. Multilineage differentiation was assessed by qPCR, immunohistochemistry, and extracellular matrix mineralization. To confirm the credibility of the results, repeated measures analysis and post hoc p-value adjustment were applied. All hDPSC fractions expressed STRO-1 and were similar for several surface markers, while their clonogenicity and expression of CD10/44/105/146, and 166 varied with the purification method. (+) cells proliferated significantly faster than (c/+), while (c) showed the highest increase in metabolic activity. Colony formation was most efficient in (+) cells, which also exhibited the lowest cellular senescence. All hDPSCs produced mineralized extracellular matrix. Regarding osteogenic induction, (c/+) revealed a significant increase in mRNA expression of COL5A1 and COL6A1, while osteogenic marker genes were detected at varying levels. (c/+) were the only population missing BDNF gene transcription increase during neurogenic induction. All hDPSCs were able to differentiate into chondrocytes. In summary, the three hDPSCs populations showed differences in phenotype, stemness, proliferation, and differentiation capacity. The data suggest that STRO-1-positive cell enrichment is the optimal choice for hDPSCs purification to maintain hDPSCs stemness. Furthermore, an (immuno) phenotypic characterization is the minimum requirement for quality control in hDPSCs studies.
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Affiliation(s)
- Martin Philipp Dieterle
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
| | - Tara Gross
- Department of Operative Dentistry and Periodontology, Centre for Dental Medicine Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79106 Freiburg, Germany
- G.E.R.N. Center for Tissue Replacement, Regeneration & Neogenesis, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79108 Freiburg, Germany
| | - Thorsten Steinberg
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
- Correspondence: ; Tel.: +49-761-27047460
| | - Pascal Tomakidi
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
| | - Kathrin Becker
- Department of Operative Dentistry and Periodontology, Centre for Dental Medicine Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79106 Freiburg, Germany
| | - Kirstin Vach
- Institute of Medical Biometry and Statistics, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79104 Freiburg, Germany
| | - Katrin Kremer
- Department of Oral and Maxillofacial Surgery, Center for Dental Medicine, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79106 Freiburg, Germany
| | - Susanne Proksch
- Department of Operative Dentistry and Periodontology, Centre for Dental Medicine Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79106 Freiburg, Germany
- G.E.R.N. Center for Tissue Replacement, Regeneration & Neogenesis, Medical Center—University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79108 Freiburg, Germany
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12
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Kurenkova AD, Romanova IA, Kibirskiy PD, Timashev P, Medvedeva EV. Strategies to Convert Cells into Hyaline Cartilage: Magic Spells for Adult Stem Cells. Int J Mol Sci 2022; 23:11169. [PMID: 36232468 PMCID: PMC9570095 DOI: 10.3390/ijms231911169] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 11/30/2022] Open
Abstract
Damaged hyaline cartilage gradually decreases joint function and growing pain significantly reduces the quality of a patient's life. The clinically approved procedure of autologous chondrocyte implantation (ACI) for treating knee cartilage lesions has several limits, including the absence of healthy articular cartilage tissues for cell isolation and difficulties related to the chondrocyte expansion in vitro. Today, various ACI modifications are being developed using autologous chondrocytes from alternative sources, such as the auricles, nose and ribs. Adult stem cells from different tissues are also of great interest due to their less traumatic material extraction and their innate abilities of active proliferation and chondrogenic differentiation. According to the different adult stem cell types and their origin, various strategies have been proposed for stem cell expansion and initiation of their chondrogenic differentiation. The current review presents the diversity in developing applied techniques based on autologous adult stem cell differentiation to hyaline cartilage tissue and targeted to articular cartilage damage therapy.
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Affiliation(s)
- Anastasiia D. Kurenkova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia or
| | - Irina A. Romanova
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Pavel D. Kibirskiy
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia or
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia or
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Ekaterina V. Medvedeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia or
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13
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Badodekar N, Mishra S, Telang G, Chougule S, Bennur D, Thakur M, Vyas N. Angiogenic Potential and Its Modifying Interventions in Dental Pulp Stem Cells: a Systematic Review. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00270-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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14
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Zhang X, Lei T, Wang D, Cai S, Hang Z, Yang Y, Bi W, Xiao Z, Du H. Stem cells from human exfoliated deciduous teeth relieves Alzheimer's disease symptoms in SAMP8 mice by up-regulating the PPARγ pathway. Biomed Pharmacother 2022; 152:113169. [PMID: 35689863 DOI: 10.1016/j.biopha.2022.113169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 11/24/2022] Open
Abstract
The pathology of Alzheimer's disease (AD) is complex and heterogeneous, and there are currently no drugs that can stop its progression. The failure of traditional chemical small-molecule drug development showed the weakness of single target and made researchers look to cell therapy with multiple regulatory effects. Stem cells from human exfoliated deciduous teeth (SHED) are a kind of neural crest-derived mesenchymal stem cells which have broad prospects in the treatment of neurodegenerative diseases. In this study, we demonstrated the therapeutic effects of SHED in AD mice, including behavioral improvement, neuronal protection, and alleviation of neuroinflammation. Tracking experiments on SHED showed that some of the transplanted cells could enter the brain. To elucidate the role played by the majority of cells transplanted into veins, blood proteomic assays were performed. Data are available via ProteomeXchange with identifier PXD030313. Among the altered proteins, the PPAR pathway related to energy metabolism was considered to be an important signaling pathway involved in regulation through gene ontology analysis and pathway analysis. Western blot showed that the transplantation of SHED improved the glucose metabolism in AD mice by increasing the PPARγ signaling pathway. These results suggested that SHED have a potential in relieving AD pathological symptoms and improving behavioral cognition. The therapeutic mechanism of SHED is related to up-regulating PPARγ signaling pathway and reducing neuronal damage.
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Affiliation(s)
- Xiaoshuang Zhang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Tong Lei
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Donghui Wang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Shanglin Cai
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhongci Hang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Yanjie Yang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Wangyu Bi
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhuangzhuang Xiao
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China
| | - Hongwu Du
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing 100083, China.
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15
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Ciliary Neurotrophic Factor (CNTF) and Its Receptors Signal Regulate Cementoblasts Apoptosis through a Mechanism of ERK1/2 and Caspases Signaling. Int J Mol Sci 2022; 23:ijms23158335. [PMID: 35955469 PMCID: PMC9369201 DOI: 10.3390/ijms23158335] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/20/2022] [Accepted: 07/27/2022] [Indexed: 02/04/2023] Open
Abstract
Ciliary neurotrophic factor (CNTF) was identified as a survival factor in various types of peripheral and central neurons, glia and non-neural cells. At present, there is no available data on the expression and localization of CNTF-receptors in cementoblasts as well as on the role of exogenous CNTF on this cell line. The purpose of this study was to determine if cementoblasts express CNTF-receptors and analyze the mechanism of its apoptotic regulation effects on cementoblasts. OCCM-30 cementoblasts were cultivated and stimulated kinetically using CNTF protein (NBP2-35168, Novus Biologicals). Quantified transcriptional (RT-qPCR) and translational (WB) products of CNTFRα, IL-6Rα (CD126), LIFR, p-GP130, GP130, p-ERK1/2, ERK1/2, Caspase-8, -9, -3 and cleaved-caspase-3 were evaluated. Immunofluorescence (IF) staining was applied to visualize the localization of the CNTF-receptors within cells. The apoptosis ratio was measured with an Annexin-V FITC/PI kit. The ERK1/2 antagonist (FR180204, Calbiochem) was added for further investigation by flow cytometry analysis. The CNTF-receptor complex (CNTFRα, LIFR, GP130) was functionally up-regulated in cementoblasts while cultivated with exogenous CNTF. CNTF significantly attenuated cell viability and proliferation for long-term stimulation. Flow cytometry analysis shows that CNTF enhanced the apoptosis after prolonged duration. However, after only a short-term period, CNTF halts the apoptosis of cementoblasts. Further studies revealed that CNTF activated phosphorylated GP130 and the anti-apoptotic molecule ERK1/2 signaling to participate in the regulation of the apoptosis ratio of cementoblasts. In conclusion, CNTF elicited the cellular functions through a notable induction of its receptor complex in cementoblasts. CNTF has an inhibitory effect on the cementoblast homeostasis. These data also elucidate a cellular mechanism for an exogenous CNTF-triggered apoptosis regulation in a mechanism of ERK1/2 and caspase signaling and provides insight into the complex cellular responses induced by CNTF in cementoblasts.
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16
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Mohebichamkhorami F, Fattahi R, Niknam Z, Aliashrafi M, Khakpour Naeimi S, Gilanchi S, Zali H. Periodontal ligament stem cells as a promising therapeutic target for neural damage. Stem Cell Res Ther 2022; 13:273. [PMID: 35729595 PMCID: PMC9210648 DOI: 10.1186/s13287-022-02942-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 06/02/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The damaged neuronal cells of adult mammalian lack the regenerative ability to replace the neuronal connections. Periodontal ligament stem cells (PDLSCs) are the promising source for neuroregenerative applications that can improve the injured microenvironment of the damaged neural system. They provide neuronal progenitors and neurotrophic, anti-apoptotic and anti-inflammatory factors. In this study, we aimed to comprehensively explore the various neuronal differentiation potentials of PDLSCs for application in neural regeneration therapy. MAIN TEXT PDLSCs have superior potential to differentiate into various neural-like cells through a dedifferentiation stage followed by differentiation process without need for cell division. Diverse combination of nutritional factors can be used to induce the PDLSCs toward neural lineage. PDLSCs when coupled with biomaterials could have significant implications for neural tissue repair. PDLSCs can be a new clinical research target for Alzheimer's disease treatment, multiple sclerosis and cerebral ischemia. Moreover, PDLSCs have beneficial effects on retinal ganglion cell regeneration and photoreceptor survival. PDLSCs can be a great source for the repair of injured peripheral nerve through the expression of several neural growth factors and differentiation into Schwann cells. CONCLUSION In conclusion, these cells are an appealing source for utilizing in clinical treatment of the neuropathological disorders. Although significant in vitro and in vivo investigations were carried out in order for neural differentiation evaluation of these cells into diverse types of neurons, more preclinical and clinical studies are needed to elucidate their therapeutic potential for neural diseases.
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Affiliation(s)
- Fariba Mohebichamkhorami
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roya Fattahi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Niknam
- Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Morteza Aliashrafi
- Department of Cognitive Neuroscience, Institute for Cognitive Science Studies, Tehran, Iran
| | | | - Samira Gilanchi
- Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hakimeh Zali
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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17
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Guo M, Liu F, Wang W, Liu Z, Zhu Z, Liu Y, Huang Z. Naringin Promotes Osteogenic/Odontogenic Differentiation of Dental Pulp Stem Cells via Wnt/ β-Catenin. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:4505471. [PMID: 35677363 PMCID: PMC9168102 DOI: 10.1155/2022/4505471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/11/2022] [Accepted: 05/19/2022] [Indexed: 11/24/2022]
Abstract
Purpose This investigation intended to unravel the effect and mechanism of naringin on the proliferation and osteogenic differentiation of human dental pulp stem cells (hDPSCs). Methods hDPSCs were induced to differentiate, and the degree of cell differentiation was observed by alizarin red staining, Oil Red O staining, and Alcian blue staining. hDPSCs were treated with 0, 20, 40, and 80 μmol/L naringin for 48 h, respectively. The proliferation rate and chemotaxis of the cells were measured by MTT and transwell assay, alkaline phosphatase (ALP) activity and osteogenic differentiation degree by ALP staining and alizarin red staining, and gene expression of osteogenic markers by qRT-PCR. Additionally, western blot was performed to test the levels of Wnt/β-catenin signaling-related proteins in hDPSCs. Results The isolated hDPSCs with spindle-shaped morphology had good differentiation capability. Further experiments confirmed naringin-caused increases in the proliferation rate and migration ability of hDPSCs. In addition, compared with the control group, naringin-treated cells had strong ALP activity and ossification levels and higher expression of Runx2, OPN, DSPP, and DMP1. The western blot results showed that naringin significantly activated Wnt/β-catenin signaling in hDPSCs. Conclusion Taken together, naringin enhances the proliferation, migration, and osteogenesis of hDPSCs through stimulating Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Meiling Guo
- Department of General Dentistry, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
| | - Fen Liu
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
| | - Wenjuan Wang
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
| | - Zhirong Liu
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
| | - Zhipeng Zhu
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
| | - Yiyu Liu
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
| | - Zhen Huang
- The Key Laboratory of Oral Biomedicine, Nanchang City, Jiangxi Province 330006, China
- Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang City, Jiangxi Province 330006, China
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanchang University, Nanchang City, Jiangxi Province 330006, China
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18
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Kwack KH, Lee HW. Clinical Potential of Dental Pulp Stem Cells in Pulp Regeneration: Current Endodontic Progress and Future Perspectives. Front Cell Dev Biol 2022; 10:857066. [PMID: 35478967 PMCID: PMC9035692 DOI: 10.3389/fcell.2022.857066] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
Dental caries is a common disease that not only destroys the rigid structure of the teeth but also causes pulp necrosis in severe cases. Once pulp necrosis has occurred, the most common treatment is to remove the damaged pulp tissue, leading to a loss of tooth vitality and increased tooth fragility. Dental pulp stem cells (DPSCs) isolated from pulp tissue exhibit mesenchymal stem cell-like characteristics and are considered ideal candidates for regenerating damaged dental pulp tissue owing to their multipotency, high proliferation rate, and viability after cryopreservation. Importantly, DPSCs do not elicit an allogeneic immune response because they are non-immunogenic and exhibit potent immunosuppressive properties. Here, we provide an up-to-date review of the clinical applicability and potential of DPSCs, as well as emerging trends in the regeneration of damaged pulp tissue. In addition, we suggest the possibility of using DPSCs as a resource for allogeneic transplantation and provide a perspective for their clinical application in pulp regeneration.
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Affiliation(s)
- Kyu Hwan Kwack
- Department of Dentistry, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Hyeon-Woo Lee
- Department of Pharmacology, School of Dentistry, Graduate School, Institute of Oral Biology, Kyung Hee University, Seoul, South Korea
- *Correspondence: Hyeon-Woo Lee,
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19
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Zhao L, Li Y, Kou X, Chen B, Cao J, Li J, Zhang J, Wang H, Zhao J, Shi S. OUP accepted manuscript. Stem Cells Transl Med 2022; 11:778-789. [PMID: 35608372 PMCID: PMC9299510 DOI: 10.1093/stcltm/szac028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 04/01/2022] [Indexed: 11/14/2022] Open
Abstract
Mesenchymal stem cell-based therapy has emerged as a great potential approach to treat individuals with autism spectrum disorders (ASD), a group of developmental disabilities characterized by impairments in social interaction and communication. Stem cells from human exfoliated deciduous teeth (SHED), holding earlier developing characteristics, have immune-modulatory and anti-inflammatory properties. To investigate whether SHED transplantation can rescue autistic-like symptoms in SHANK3 mutant beagle dogs, 12 SHANK3 mutant beagle dogs were randomly assigned into 2 groups according to their behavior evaluated by social interaction tests. Six mutant dogs received 6 intravenous infusions of SHED and were followed up for 3 months by testing social interaction and inflammatory cytokine levels. We found that infusion of SHED significantly improved impaired social novel preference of SHANK3 mutant beagle dogs at 1- and 3-month follow-ups. Social intimacies (following, sniffing, and licking) between mutant beagle dogs and human experimenters were partly improved. Stressed tail posture, indicating social stress, was also significantly alleviated. In addition, we showed that the levels of serum interferon-γ and interleukin-10 were notably increased and decreased, respectively, in SHANK3 mutant beagle dogs. Infusion of SHED was able to rescue altered interferon-γ and interleukin-10 levels. We failed to observe any serious adverse events after infusion of SHED. In summary, SHED transplantation may be a safe and effective therapy for ASD. The correction in the levels of serum interferon-γ and interleukin-10 may serve as an index to predict autistic severity and therapeutic outcomes.
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Affiliation(s)
- Lu Zhao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Yuan Li
- Beijing Sinogene Biotechnology Co. Ltd, Changping District, Beijing, People’s Republic of China
| | - Xiaoxing Kou
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, People’s Republic of China
| | - Benchi Chen
- Beijing Sinogene Biotechnology Co. Ltd, Changping District, Beijing, People’s Republic of China
| | - Jing Cao
- CAR-T (Shanghai) Biotechnology Co. Ltd, Yangpu District, Shanghai, People’s Republic of China
| | - Jun Li
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, People’s Republic of China
| | - Jianqi Zhang
- Beijing Sinogene Biotechnology Co. Ltd, Changping District, Beijing, People’s Republic of China
| | - Heng Wang
- Beijing Sinogene Biotechnology Co. Ltd, Changping District, Beijing, People’s Republic of China
| | - Jianping Zhao
- Beijing Sinogene Biotechnology Co. Ltd, Changping District, Beijing, People’s Republic of China
| | - Songtao Shi
- Corresponding author: Songtao Shi, South China Center of Craniofacial Stem Cell Research, Guanghua School and Hospital of Stomatology, Sun Yat-sen University, 74 Zhongshan 2 Road, Guangzhou, Guangdong 510080, People’s Republic of China. Tel: +86 020 83811509; Fax: +86 020 83811509;
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20
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Zhou G, Wang Y, Gao S, Fu X, Cao Y, Peng Y, Zhuang J, Hu J, Shao A, Wang L. Potential Mechanisms and Perspectives in Ischemic Stroke Treatment Using Stem Cell Therapies. Front Cell Dev Biol 2021; 9:646927. [PMID: 33869200 PMCID: PMC8047216 DOI: 10.3389/fcell.2021.646927] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/05/2021] [Indexed: 12/12/2022] Open
Abstract
Ischemic stroke (IS) remains one of the major causes of death and disability due to the limited ability of central nervous system cells to regenerate and differentiate. Although several advances have been made in stroke therapies in the last decades, there are only a few approaches available to improve IS outcome. In the acute phase of IS, mechanical thrombectomy and the administration of tissue plasminogen activator have been widely used, while aspirin or clopidogrel represents the main therapy used in the subacute or chronic phase. However, in most cases, stroke patients fail to achieve satisfactory functional recovery under the treatments mentioned above. Recently, cell therapy, especially stem cell therapy, has been considered as a novel and potential therapeutic strategy to improve stroke outcome through mechanisms, including cell differentiation, cell replacement, immunomodulation, neural circuit reconstruction, and protective factor release. Different stem cell types, such as mesenchymal stem cells, marrow mononuclear cells, and neural stem cells, have also been considered for stroke therapy. In recent years, many clinical and preclinical studies on cell therapy have been carried out, and numerous results have shown that cell therapy has bright prospects in the treatment of stroke. However, some cell therapy issues are not yet fully understood, such as its optimal parameters including cell type choice, cell doses, and injection routes; therefore, a closer relationship between basic and clinical research is needed. In this review, the role of cell therapy in stroke treatment and its mechanisms was summarized, as well as the function of different stem cell types in stroke treatment and the clinical trials using stem cell therapy to cure stroke, to reveal future insights on stroke-related cell therapy, and to guide further studies.
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Affiliation(s)
- Guoyang Zhou
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yongjie Wang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shiqi Gao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiongjie Fu
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yang Cao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yucong Peng
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jianfeng Zhuang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Junwen Hu
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Anwen Shao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lin Wang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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21
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Xiao Z, Lei T, Liu Y, Yang Y, Bi W, Du H. The potential therapy with dental tissue-derived mesenchymal stem cells in Parkinson's disease. Stem Cell Res Ther 2021; 12:5. [PMID: 33407864 PMCID: PMC7789713 DOI: 10.1186/s13287-020-01957-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/27/2020] [Indexed: 12/19/2022] Open
Abstract
Parkinson’s disease (PD), the second most common neurodegenerative disease worldwide, is caused by the loss of dopaminergic (DAergic) neurons in the substantia nigra resulting in a series of motor or non-motor disorders. Current treatment methods are unable to stop the progression of PD and may bring certain side effects. Cell replacement therapy has brought new hope for the treatment of PD. Recently, human dental tissue-derived mesenchymal stem cells have received extensive attention. Currently, dental pulp stem cells (DPSCs) and stem cells from human exfoliated deciduous teeth (SHED) are considered to have strong potential for the treatment of these neurodegenerative diseases. These cells are considered to be ideal cell sources for the treatment of PD on account of their unique characteristics, such as neural crest origin, immune rejection, and lack of ethical issues. In this review, we briefly describe the research investigating cell therapy for PD and discuss the application and progress of DPSCs and SHED in the treatment of PD. This review offers significant and comprehensive guidance for further clinical research on PD.
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Affiliation(s)
- Zhuangzhuang Xiao
- 112 Lab, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 XueYuan Road, Haidian District, Beijing, 100083, China
| | - Tong Lei
- 112 Lab, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 XueYuan Road, Haidian District, Beijing, 100083, China
| | - Yanyan Liu
- Kangyanbao (Beijing) Stem Cell Technology Co., Ltd, Beijing, 102600, China
| | - Yanjie Yang
- 112 Lab, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 XueYuan Road, Haidian District, Beijing, 100083, China
| | - Wangyu Bi
- 112 Lab, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 XueYuan Road, Haidian District, Beijing, 100083, China
| | - Hongwu Du
- 112 Lab, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 XueYuan Road, Haidian District, Beijing, 100083, China.
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22
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Luo L, Wang X, Zhang Y, Wu Y, Hu F, Xing Z, Wang L, Xiao J, Guastaldi F, He Y, Ye Q. Biological Behavioral Alterations of the Post-neural Differentiated Dental Pulp Stem Cells Through an in situ Microenvironment. Front Cell Dev Biol 2020; 8:625151. [PMID: 33344464 PMCID: PMC7744789 DOI: 10.3389/fcell.2020.625151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 11/16/2020] [Indexed: 12/27/2022] Open
Abstract
Transplantation of undifferentiated dental pulp stem cells (DPSCs) may suffer from tumorigenesis. Neuronal differentiated DPSCs (d-DPSCs) have emerged as an ideal source to treat central nervous system (CNS) disorders. Moreover, different components of culture medium functioned on the characteristics of d-DPSCs in vitro. In this study, d-DPSCs were cultured in three types of medium: Neurobasal®®-A medium supplemented with 2% B27 (the 2% B27 NM group), Neurobasal® -A medium supplemented with 2% B27 and 5% FBS (the 2% B27 + 5% FBS NM group), and α-MEM containing 10% FBS (the 10% FBS α-MEM group). We found that d-DPSCs in the 2% B27 + 5% FBS NM group had lower proliferation and reduced expression of transient receptor potential canonical 1 (TRPC1) and CD146, whereas up-regulated Nestin and microtubule-associated protein-2 (MAP-2). Notably, d-DPSCs in the 10% FBS α-MEM group possessed high proliferative capacity, decreased expression of neuron-like markers and partially restored stemness. It was demonstrated that d-DPSCs cultured in the 2% B27 + 5% FBS NM could maintain their neuron-like characteristics. Besides, d-DPSCs cultivated in the 10% FBS α-MEM could partially recover their stem cells properties, indicating that neural differentiation of DPSCs was reversible and could open novel avenues for exploring the pluripotency of DPSCs.
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Affiliation(s)
- Lihua Luo
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Xiaoyan Wang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yanni Zhang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yuwei Wu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Fengting Hu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Zhenjie Xing
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Lei Wang
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Jian Xiao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Fernando Guastaldi
- Skeletal Biology Research Center, Massachusetts General Hospital, Harvard University, Boston, MA, United States
| | - Yan He
- Skeletal Biology Research Center, Massachusetts General Hospital, Harvard University, Boston, MA, United States.,Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Qingsong Ye
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China.,Skeletal Biology Research Center, Massachusetts General Hospital, Harvard University, Boston, MA, United States.,Center of Regenerative Medicine, Renmin Hospital of Wuhan University, Wuhan, China
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23
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Granz CL, Gorji A. Dental stem cells: The role of biomaterials and scaffolds in developing novel therapeutic strategies. World J Stem Cells 2020; 12:897-921. [PMID: 33033554 PMCID: PMC7524692 DOI: 10.4252/wjsc.v12.i9.897] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/05/2020] [Accepted: 08/16/2020] [Indexed: 02/06/2023] Open
Abstract
Dental stem cells (DSCs) are self-renewable cells that can be obtained easily from dental tissues, and are a desirable source of autologous stem cells. The use of DSCs for stem cell transplantation therapeutic approaches is attractive due to their simple isolation, high plasticity, immunomodulatory properties, and multipotential abilities. Using appropriate scaffolds loaded with favorable biomolecules, such as growth factors, and cytokines, can improve the proliferation, differentiation, migration, and functional capacity of DSCs and can optimize the cellular morphology to build tissue constructs for specific purposes. An enormous variety of scaffolds have been used for tissue engineering with DSCs. Of these, the scaffolds that particularly mimic tissue-specific micromilieu and loaded with biomolecules favorably regulate angiogenesis, cell-matrix interactions, degradation of extracellular matrix, organized matrix formation, and the mineralization abilities of DSCs in both in vitro and in vivo conditions. DSCs represent a promising cell source for tissue engineering, especially for tooth, bone, and neural tissue restoration. The purpose of the present review is to summarize the current developments in the major scaffolding approaches as crucial guidelines for tissue engineering using DSCs and compare their effects in tissue and organ regeneration.
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Affiliation(s)
- Cornelia Larissa Granz
- Epilepsy Research Center, Westfälische Wilhelms-Universität Münster, Münster 48149, Germany
| | - Ali Gorji
- Epilepsy Research Center, Westfälische Wilhelms-Universität Münster, Münster 48149, Germany
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24
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Mohan SP, Ramalingam M. Dental Pulp Stem Cells in Neuroregeneration. J Pharm Bioallied Sci 2020; 12:S60-S66. [PMID: 33149432 PMCID: PMC7595495 DOI: 10.4103/jpbs.jpbs_229_20] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 03/25/2020] [Accepted: 03/25/2020] [Indexed: 01/08/2023] Open
Abstract
Neurological diseases and injuries affect the routine life of patients. Current medical and surgical treatment has not improved the quality of life to desired limits. Neural regeneration through stem cells may be ideal choice in current scenario. Dental pulp stem cells (DPSCs), which are isolated from dental pulp, have shown excellent neuroregenerative properties in various animal studies. This review outlines the clinical perspective of DPSCs in neuroregeneration.
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Affiliation(s)
- Sunil Paramel Mohan
- Department of Oral and Maxillofacial Pathology, Sree Anjaneya Institute of Dental Sciences, Calicut, Kerala, India.,Department of Stems Cells and Regenerative Medicine, Malabar Medical College Hospital and Research Center, Calicut, Kerala, India
| | - Murugan Ramalingam
- Biomaterials and Organ Engineering Group, Centre for BioMaterials, Cellular and Molecular Theranostics, School of Mechanical Engineering, Vellore institute of Technology (Deemed to be University), Vellore, Tamil Nadu, India
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25
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Perspectives on 3D Bioprinting of Peripheral Nerve Conduits. Int J Mol Sci 2020; 21:ijms21165792. [PMID: 32806758 PMCID: PMC7461058 DOI: 10.3390/ijms21165792] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/28/2020] [Accepted: 08/10/2020] [Indexed: 12/25/2022] Open
Abstract
The peripheral nervous system controls the functions of sensation, movement and motor coordination of the body. Peripheral nerves can get damaged easily by trauma or neurodegenerative diseases. The injury can cause a devastating effect on the affected individual and his aides. Treatment modalities include anti-inflammatory medications, physiotherapy, surgery, nerve grafting and rehabilitation. 3D bioprinted peripheral nerve conduits serve as nerve grafts to fill the gaps of severed nerve bodies. The application of induced pluripotent stem cells, its derivatives and bioprinting are important techniques that come in handy while making living peripheral nerve conduits. The design of nerve conduits and bioprinting require comprehensive information on neural architecture, type of injury, neural supporting cells, scaffold materials to use, neural growth factors to add and to streamline the mechanical properties of the conduit. This paper gives a perspective on the factors to consider while bioprinting the peripheral nerve conduits.
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26
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İslam A, Özverel CS, Yilmaz HG. Comparative evaluation of low-level laser therapy on proliferation of long-term cryopreserved human dental pulp cells isolated from deciduous and permanent teeth. Lasers Med Sci 2020; 36:421-427. [PMID: 32613417 DOI: 10.1007/s10103-020-03090-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 06/28/2020] [Indexed: 10/23/2022]
Abstract
The aim of the current study was to evaluate the proliferative effect of low-level laser therapy on long-term cryopreserved dental pulp stem cells (DPSCS) and stem cells from human exfoliated deciduous teeth (SHEDS). The DPSCS and SHEDS were divided into 2 main groups according to gallium aluminum arsenide (GaAIAs) diode laser irradiation densities as 5 J/cm2 and 7 J/cm2. Each main group was further divided into 4 groups according to laser irradiation periods as 0, 24, 48, 72 h groups. During the incubation periods, cells received laser irradiation in every 24 h according to their groups and were put into incubator after irradiation. Cell groups that were not subjected to laser irradiation were served as control groups. Viabilities of cells were determined via MTT assay at the end of all incubation periods, and data were statistically analyzed. Laser irradiation demonstrated significant effects on proliferation rate of DPSCs and SHEDs in comparison with control. Intragroup comparison data of DPSCS revealed that repetitive laser irradiation for long term (72 h) increased the cellular viability significantly in comparison with all other treatment groups; however, no significant differences were found when energy densities were compared within each time interval, except for 48 h group at which irradiation with 7 J/cm2 provided significantly higher cell viability rates of SHEDS. DPSCs showed significantly higher cellular viability than SHEDs only for the 7 J/cm2 energy density in 72 h. Longer term (72 h) repetitive laser irradiation with energy densities of 5 and 7 J/cm2 (wavelength of 980 nm) may be recommended to induce the proliferative effect on long-term cryopreserved DPSCS and SHEDS.
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Affiliation(s)
- Aylin İslam
- Department of Pediatric Dentistry, Faculty of Dentistry, Near East University, Mersin, Turkey
| | - Cenk Serhan Özverel
- Department of Basic Medical Sciences, Faculty of Dentistry, Near East University, Mersin, Turkey
| | - Hasan Guney Yilmaz
- Department of Periodontology, Faculty of Dentistry, Near East University, Mersin, Turkey.
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27
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Peng Q, Yang JY, Zhou G. Emerging functions and clinical applications of exosomes in human oral diseases. Cell Biosci 2020; 10:68. [PMID: 32489584 PMCID: PMC7245751 DOI: 10.1186/s13578-020-00424-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/25/2020] [Indexed: 02/07/2023] Open
Abstract
Exosomes are cell-derived membranous vesicles of endosomal origin secreted by all type of cells and present in various body fluids. Exosomes are enriched in peptides, lipids, and nucleic acids, emerging as vital modulators in intercellular communication. Exosomes are increasingly being evaluated as biomarkers for diagnosis and prognosis of diseases, because the constituents of exosomes could be reprogrammed depending on the states of diseases. These features also make exosomes a research hotspot in oral diseases in recent years. In this review, we outlined the characteristics of exosomes, focused on the differential expressions and altered biological functions of exosomes in oral diseases, including oral squamous cell carcinoma, oral leukoplakia, periodontitis, primary Sjögren's syndrome, oral lichen planus, as well as hand foot and mouth disease. Besides, accumulated evidence documents that it is implementable to consider the natural nanostructured exosomes as a new strategy for disease treatment. Herein, we highlighted the therapeutic potential of exosomes in oral tissue regeneration, oncotherapy, wound healing, and their superiority as therapeutic drug delivery vehicles.
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Affiliation(s)
- Qiao Peng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jing-ya Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Gang Zhou
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Luoyu Road 237, Wuhan, China
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28
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Ji F, Pan J, Shen Z, Yang Z, Wang J, Bai X, Tao J. The Circular RNA circRNA124534 Promotes Osteogenic Differentiation of Human Dental Pulp Stem Cells Through Modulation of the miR-496/β-Catenin Pathway. Front Cell Dev Biol 2020; 8:230. [PMID: 32318572 PMCID: PMC7146058 DOI: 10.3389/fcell.2020.00230] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 03/18/2020] [Indexed: 12/11/2022] Open
Abstract
Circular RNAs (circRNAs) have been found to be a crucial role in stem cell-associated bone regeneration. However, the functions and underlying mechanisms of circRNAs in the osteogenic differentiation of human dental pulp stem cells (hDPSCs) remain largely unclear. We found that overexpression of circRNA124534 unexpectedly promoted DPSCs osteogenesis in vitro and in vivo. Our results confirmed circRNA124534, acting as a miRNA sponge, directly interacts with miR-496 and consequently regulates β-catenin, which in turn exerts osteogenesis of DPSCs. Enforced expression of miR-496 reversed the osteogenesis of circRNA124534, and suppression of miR-496 enhanced the osteogenic differentiation of DPSCs by promoting β-catenin. In conclusion, our findings demonstrate functions of circRNA124534 in modulating osteogenic differentiation through the miR-496/β-catenin pathway; thus, providing a novel potential target for therapy.
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Affiliation(s)
- Fang Ji
- Department of Orthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Jing Pan
- Department of Orthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Zhecheng Shen
- Department of Orthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Zhao Yang
- Department of Orthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Jian Wang
- National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China.,Department of General Dentistry, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuebing Bai
- National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China.,Department of General Dentistry, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiang Tao
- National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China.,Department of General Dentistry, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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29
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Pisciotta A, Bertoni L, Vallarola A, Bertani G, Mecugni D, Carnevale G. Neural crest derived stem cells from dental pulp and tooth-associated stem cells for peripheral nerve regeneration. Neural Regen Res 2020; 15:373-381. [PMID: 31571644 PMCID: PMC6921350 DOI: 10.4103/1673-5374.266043] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 05/11/2019] [Indexed: 12/15/2022] Open
Abstract
The peripheral nerve injuries, representing some of the most common types of traumatic lesions affecting the nervous system, are highly invalidating for the patients besides being a huge social burden. Although peripheral nervous system owns a higher regenerative capacity than does central nervous system, mostly depending on Schwann cells intervention in injury repair, several factors determine the extent of functional outcome after healing. Based on the injury type, different therapeutic approaches have been investigated so far. Nerve grafting and Schwann cell transplantation have represented the gold standard treatment for peripheral nerve injuries, however these approaches own limitations, such as scarce donor nerve availability and donor site morbidity. Cell based therapies might provide a suitable tool for peripheral nerve regeneration, in fact, the ability of different stem cell types to differentiate towards Schwann cells in combination with the use of different scaffolds have been widely investigated in animal models of peripheral nerve injuries in the last decade. Dental pulp is a promising cell source for regenerative medicine, because of the ease of isolation procedures, stem cell proliferation and multipotency abilities, which are due to the embryological origin from neural crest. In this article we review the literature concerning the application of tooth derived stem cell populations combined with different conduits to peripheral nerve injuries animal models, highlighting their regenerative contribution exerted through either glial differentiation and neuroprotective/neurotrophic effects on the host tissue.
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Affiliation(s)
- Alessandra Pisciotta
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Laura Bertoni
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Antonio Vallarola
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Giulia Bertani
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Daniela Mecugni
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
- Azienda USL - Institute and Health Care (IRCCS) di Reggio Emilia, Reggio Emilia, Italy
| | - Gianluca Carnevale
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
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Mirhosseini M, Shiari R, Esmaeili Motlagh P, Farivar S. Cerebrospinal Fluid and Photobiomodulation Effects on Neural Gene Expression in Dental Pulp Stem Cells. J Lasers Med Sci 2019; 10:S30-S36. [PMID: 32021670 DOI: 10.15171/jlms.2019.s6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Introduction: Dental pulp cells, a unique source of ectomesenchymal pluripotent stem cells, are originated from the skull neural crest. They are considered as one ideal source of cells for the regenerative medicine applications. Cerebrospinal fluid (CSF), a transparent fluid found in the brain and spinal cord, is enriched with electrolytes, proteins, and growth factors such as EGF, bFGF, BDNF, GDNF, and neuropeptides and can be utilized as a trigger in order to induce the neural differentiation. On the other hand, photobiomodulation (PBM), with the ability to prevent cell apoptosis, can induce cell proliferation by means of increasing the ATP synthesis in mitochondria and facilitating the secretion of the growth factors. In this research, we first aimed to isolate and culture the dental pulp stem cells (DPSCs) and subsequently to investigate their potential for neural differentiation. Methods: Human dental pulp stem cells (hDPSCs) were isolated from the pulp tissues using an outgrowth method and subsequently cultured. In order to access the cells' differentiation potential, cells were firstly classified into four groups which were treated with CSF, gallium aluminum arsenide diode laser irradiation (808 nm; 30 mW power output) and a combination of both, while the fourth group was considered as the control. MTT assay was then used to examine the viability of cells following the treatments. After 4, 7, and 14 days the cell morphology in the treated groups was evaluated while RT-PCR was used in order to evaluate the Nestin and β-tubulinIII neural gene marker expressions. Results: It was shown that PBM has the ability to elevate the proliferation of DPSCs. Also, the differentiated morphology was obvious in the CSF treated group, especially on day 14 with the formation of three-dimensional (3D) structures. The results of gene expression analysis showed that on the fourth day of post-treatment, Nestin and β-tubulinIII gene expressions were reduced in all groups while a rising trend in their expression was observed subsequently on days 7 and 14. Conclusion: In accordance with previous studies, including functional and protein base researches, it has been demonstrated that CSF has a direct role in neural induction. Although past works have been significant, none of them shows a 3D structure. In this article, we investigated the dual effect of PBM and CSF. Initial results confirmed the upregulation of neural-related transcription factors. The 3D organization of the formed tissue could imply the initiation of organogenesis which has not been reported before. In sum, the dual effect of CSF and PBM has been shown to have the potential for contributing to the initiation of neurogenesis and organogenesis.
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Affiliation(s)
- Malihe Mirhosseini
- Department of Molecular and Cell Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, General Campus, Tehran, Iran
| | - Reza Shiari
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parisa Esmaeili Motlagh
- Department of Molecular and Cell Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, General Campus, Tehran, Iran
| | - Shirin Farivar
- Department of Molecular and Cell Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, General Campus, Tehran, Iran
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31
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Kanjevac T, Gustafson C, Ivanovska A, Ravanetti F, Cacchioli A, Bosnakovski D. Inflammatory Cytokines and Biodegradable Scaffolds in Dental Mesenchymal Stem Cells Priming. Curr Stem Cell Res Ther 2019; 14:320-326. [PMID: 30608044 DOI: 10.2174/1574888x14666190103170109] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 10/15/2018] [Accepted: 11/02/2018] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells (MSCs) are multipotent stem cells with wide-ranging clinical applications due to their ability to regenerate tissue from mesenchymal origin and their capability of suppressing immune responses, thus reducing the likelihood of graft versus host disease after transplantation. MSCs can be isolated from a variety of sources including bone marrow, adipose tissue, umbilical cord blood, and immature teeth. Dental stem cells (DSCs) possess progenitor and immunomodulatory abilities as the other MSC types and because they can be easily isolated, are considered as attractive therapeutic agents in regenerative dentistry. Recently, it has been shown that DSCs seeded onto newly developed synthetic biomaterial scaffolds have retained their potential for proliferation and at the same time have enhanced capabilities for differentiation and immunosuppression. The scaffolds are becoming more efficient at MSC priming as researchers learn how short peptide sequences alter the adhesive and proliferative capabilities of the scaffolds by stimulating or inhibiting classical osteogenic pathways. New findings on how to modulate the inflammatory microenvironment, which can prime DSCs for differentiation, combined with the use of next generation scaffolds may significantly improve their therapeutic potential. In this review, we summarize current findings regarding DSCs as a potential regenerative therapy, including stem cell priming with inflammatory cytokines, types of scaffolds currently being explored and the modulation of scaffolds to regulate immune response and promote growth.
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Affiliation(s)
- Tatjana Kanjevac
- Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Collin Gustafson
- Lillehei Heart Institute, Department of Pediatrics, University of Minnesota, Minneapolis, United States
| | - Ana Ivanovska
- Department of Veterinary Science, University of Parma, Parma, Italy
| | | | | | - Darko Bosnakovski
- Lillehei Heart Institute, Department of Pediatrics, University of Minnesota, Minneapolis, United States.,Faculty of Medical Sciences, University Goce Delcev, Stip, R. Macedonia
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32
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Chiricosta L, Gugliandolo A, Diomede F, Pizzicannella J, Trubiani O, Iori R, Tardiolo G, Guarnieri S, Bramanti P, Mazzon E. Moringin Pretreatment Inhibits the Expression of Genes Involved in Mitophagy in the Stem Cell of the Human Periodontal Ligament. Molecules 2019; 24:molecules24183217. [PMID: 31487916 PMCID: PMC6767209 DOI: 10.3390/molecules24183217] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/28/2019] [Accepted: 09/03/2019] [Indexed: 12/14/2022] Open
Abstract
Moringin [4-(α-L-rhamnosyloxy) benzyl isothiocyanate] is an isothiocyanate extracted from Moringa oleifera seeds. It is an antioxidant known for several biological properties useful in the treatment of neurodegenerative diseases. Several neurodegenerative disorders such as Parkinson’s and Alzheimer’s diseases are linked to dysfunctional mitochondria due to the resulting increase of Reactive Oxygen Species (ROS). Stem cell-based therapeutic treatments in neurodegenerative diseases provide an alternative strategy aimed to replace the impaired tissue. In this study were investigated the deregulated genes involved in mitophagy in the human periodontal ligament stem cells pretreated with moringin. The RNA-seq study reveals the downregulation of PINK1, with a fold change (FC) of −0.56, such as the genes involved in the phagophore formation (MAP1LC3B FC: −0.73, GABARAP FC: −0.52, GABARAPL1 FC: −0.70, GABARAPL2 FC: −0.39). The moringin pretreatment downregulates the pro−apoptotic gene BAX (−0.66) and upregulates the anti-apoptotic genes BCL2L12 (FC: 1.35) and MCL1 (FC: 0.36). The downregulation of the most of the caspases (CASP1 FC: −1.43, CASP4 FC: −0.18, CASP6 FC: −1.34, CASP7 FC: −0.46, CASP8 FC: −0.65) implies the inactivation of the apoptotic process. Our results suggest that mitochondrial dysfunctions induced by oxidative stress can be inhibited by moringin pretreatment in human periodontal ligament stem cells (hPDLSCs).
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Affiliation(s)
- Luigi Chiricosta
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Agnese Gugliandolo
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Francesca Diomede
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Jacopo Pizzicannella
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Oriana Trubiani
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy.
| | - Renato Iori
- Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Centro di ricerca Agricoltura e Ambiente (CREA-AA), Via di Corticella 133, 40128 Bologna, Italy.
| | - Giuseppe Tardiolo
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Simone Guarnieri
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio", Chieti-Pescara, 66100 Chieti, Italy.
- Center on Aging Science and Translational Medicine (Ce.S.I.-Me.T.), University "G. d'Annunzio", Chieti-Pescara, 66100 Chieti, Italy.
| | - Placido Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
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33
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Lan X, Sun Z, Chu C, Boltze J, Li S. Dental Pulp Stem Cells: An Attractive Alternative for Cell Therapy in Ischemic Stroke. Front Neurol 2019; 10:824. [PMID: 31428038 PMCID: PMC6689980 DOI: 10.3389/fneur.2019.00824] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 07/17/2019] [Indexed: 12/20/2022] Open
Abstract
Ischemic stroke is a major cause of disability and mortality worldwide, but effective restorative treatments are very limited at present. Regenerative medicine research revealed that stem cells are promising therapeutic options. Dental pulp stem cells (DPSCs) are autologously applicable cells that origin from the neural crest and exhibit neuro-ectodermal features next to multilineage differentiation potentials. DPSCs are of increasing interest since they are relatively easy to obtain, exhibit a strong proliferation ability, and can be cryopreserved for a long time without losing their multi-directional differentiation capacity. Besides, use of DPSCs can avoid fundamental problems such as immune rejection, ethical controversy, and teratogenicity. Therefore, DPSCs provide a tempting prospect for stroke treatment.
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Affiliation(s)
- Xiaoyan Lan
- Department of Neurology, Dalian Municipal Central Hospital Affiliated to Dalian Medical University, Dalian, China
| | - Zhengwu Sun
- Department of Pharmacy, Dalian Municipal Central Hospital Affiliated to Dalian Medical University, Dalian, China
| | - Chengyan Chu
- Department of Neurology, Dalian Municipal Central Hospital Affiliated to Dalian Medical University, Dalian, China
| | - Johannes Boltze
- School of Life Sciences, University of Warwick, Coventry, United Kingdom
| | - Shen Li
- Department of Neurology, Dalian Municipal Central Hospital Affiliated to Dalian Medical University, Dalian, China
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34
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Okuwa Y, Toriumi T, Nakayama H, Ito T, Otake K, Kurita K, Nakashima M, Honda M. Transplantation effects of dental pulp-derived cells on peripheral nerve regeneration in crushed sciatic nerve injury. J Oral Sci 2019; 60:526-535. [PMID: 30587687 DOI: 10.2334/josnusd.17-0462] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The effects of transplanted human dental pulp-derived cells (DPCs) on peripheral nerve regeneration were studied in a rat model of sciatic nerve crush injury. In one group, DPCs were transplanted into the compression site (cell transplantation group); the control group underwent no transplantation (crushed group). Sciatic nerve regeneration was determined based on the recovery of motor function and histological and immunohistochemical analyses. The cell transplantation group showed improved motor function compared with the crushed group using the CatWalk XT system, which corresponded to a higher ratio of tibialis to anterior muscle weight 14 days after surgery. Histological analysis revealed a smaller interspace area and few vacuoles in the sciatic nerve after cell transplantation compared with the crushed group. The myelin sheath was visualized with Luxol Fast Blue (LFB) staining and anti-myelin basic protein (anti-MBP) antibody labeling; the percentages of LFB- and MBP-positive areas were higher in the cell transplantation group than in the crushed group. Human mitochondria-positive cells were also identified in the sciatic nerve at the transplantation site 14 days after surgery. Taken together, the observed correlation between morphological findings and functional outcomes following DPC transplantation indicates that DPCs promote peripheral nerve regeneration in rats.
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Affiliation(s)
- Yuta Okuwa
- Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry.,Department of Oral Anatomy, Aichi-Gakuin University School of Dentistry
| | - Taku Toriumi
- Department of Oral Anatomy, Aichi-Gakuin University School of Dentistry
| | - Hidenori Nakayama
- Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry
| | - Tatsuaki Ito
- Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry
| | - Keita Otake
- Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry
| | - Kenichi Kurita
- Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry
| | - Misako Nakashima
- Department of Stem Cell Biology and Regenerative Medicine,National Center for Geriatrics and Gerontology
| | - Masaki Honda
- Department of Oral Anatomy, Aichi-Gakuin University School of Dentistry
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36
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Sultan N, Amin LE, Zaher AR, Scheven BA, Grawish ME. Dental pulp stem cells: Novel cell-based and cell-free therapy for peripheral nerve repair. World J Stomatol 2019; 7:1-19. [DOI: 10.5321/wjs.v7.i1.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 11/15/2018] [Accepted: 01/08/2019] [Indexed: 02/06/2023] Open
Abstract
The regeneration of peripheral nerves comprises complicated steps involving a set of cellular and molecular events in distal nerve stumps with axonal sprouting and remyelination. Stem cell isolation and expansion for peripheral nerve repair (PNR) can be achieved using a wide diversity of prenatal and adult tissues, such as bone marrow or brain tissues. The ability to obtain stem cells for cell-based therapy (CBT) is limited due to donor site morbidity and the invasive nature of the harvesting process. Dental pulp stem cells (DPSCs) can be relatively and simply isolated from the dental pulps of permanent teeth, extracted for surgical or orthodontic reasons. DPSCs are of neural crest origin with an outstanding ability to differentiate into multiple cell lineages. They have better potential to differentiate into neural and glial cells than other stem cell sources through the expression and secretion of certain markers and a range of neurotropic factors; thus, they should be considered a good choice for PNR using CBT. In addition, these cells have paracrine effects through the secretion of neurotrophic growth factors and extracellular vesicles, which can enhance axonal growth and remyelination by decreasing the number of dying cells and activating local inhabitant stem cell populations, thereby revitalizing dormant or blocked cells, modulating the immune system and regulating inflammatory responses. The use of DPSC-derived secretomes holds great promise for controllable and manageable therapy for peripheral nerve injury. In this review, up-to-date information about the neurotrophic and neurogenic properties of DPSCs and their secretomes is provided.
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Affiliation(s)
- Nessma Sultan
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
| | - Laila E Amin
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
| | - Ahmed R Zaher
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
| | - Ben A Scheven
- School of Dentistry, Oral Biology, College of Medical and Dental Sciences, University of Birmingham, Birmingham B5 7EG, United Kingdom
| | - Mohammed E Grawish
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
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37
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Dental pulp stem cell transplantation ameliorates motor function and prevents cerebellar atrophy in rat model of cerebellar ataxia. Cell Tissue Res 2019; 376:179-187. [DOI: 10.1007/s00441-018-02980-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
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38
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Aydin S, Şahin F. Stem Cells Derived from Dental Tissues. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1144:123-132. [DOI: 10.1007/5584_2018_333] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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39
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Raza SS, Wagner AP, Hussain YS, Khan MA. Mechanisms underlying dental-derived stem cell-mediated neurorestoration in neurodegenerative disorders. Stem Cell Res Ther 2018; 9:245. [PMID: 30257724 PMCID: PMC6158826 DOI: 10.1186/s13287-018-1005-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Neurodegenerative disorders have a complex pathology and are characterized by a progressive loss of neuronal architecture in the brain or spinal cord. Neuroprotective agents have demonstrated promising results at the preclinical stage, but this has not been confirmed at the clinical stage. Thus far, no neuroprotective drug that can prevent neuronal degeneration in patients with neurodegenerative disorders is available. MAIN BODY Recent studies have focused on neurorestorative measures, such as cell-based therapy, rather than neuroprotective treatment. The utility of cell-based approaches for the treatment of neurodegenerative disorders has been explored extensively, and the results have been somewhat promising with regard to reversing the outcome. Because of their neural crest origin, ease of harvest, accessibility, ethical suitability, and potential to differentiate into the neurogenic lineage, dental-derived stem cells (DSCs) have become an attractive source for cell-based neurorestoration therapies. In the present review, we summarize the possible use of DSC-based neurorestoration therapy as an alternative treatment for neurodegenerative disorders, with a particular emphasis on the mechanism underlying recovery in neurodegenerative disorders. CONCLUSION Transplantation research in neurodegenerative diseases should aim to understand the mechanism providing benefits both at the molecular and functional level. Due to their ease of accessibility, plasticity, and ethical suitability, DSCs hold promise to overcome the existing challenges in the field of neurodegeneration through multiple mechanisms, such as cell replacement, bystander effect, vasculogenesis, synaptogenesis, immunomodulation, and by inhibiting apoptosis.
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Affiliation(s)
- Syed Shadab Raza
- Laboratory for Stem Cell & Restorative Neurology, Department of Biotechnology, Era Medical College & Hospital, Era University, Lucknow, Uttar Pradesh, 226003, India. .,Department of Stem Cell Biology and Regenerative Medicine, Era University, Lucknow, 226003, India.
| | - Aurel Popa Wagner
- Departmentof Dental Materials, RUHS College of Dental Sciences, Subhash Nagar, Jaipur, Rajasthan, 302002, India.,Center of Clinical and Experimental Medicine, University of Medicine and Pharmacy Craiova, Craiova, Romania.,School of Medicine, Griffith University, Southport, QLD, Australia
| | - Yawer S Hussain
- Department of Neurology, Chair of Vascular Neurology and Dementia, Essen University Hospital, Essen, Germany
| | - Mohsin Ali Khan
- Era Medical College & Hospital, Era University, Lucknow, Uttar Pradesh, 226003, India
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Jang S, Kang YH, Ullah I, Shivakumar SB, Rho GJ, Cho YC, Sung IY, Park BW. Cholinergic Nerve Differentiation of Mesenchymal Stem Cells Derived from Long-Term Cryopreserved Human Dental Pulp In Vitro and Analysis of Their Motor Nerve Regeneration Potential In Vivo. Int J Mol Sci 2018; 19:ijms19082434. [PMID: 30126144 PMCID: PMC6122009 DOI: 10.3390/ijms19082434] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 07/14/2018] [Accepted: 08/13/2018] [Indexed: 12/21/2022] Open
Abstract
The reduction of choline acetyltransferase, caused by the loss of cholinergic neurons, leads to the absence of acetylcholine (Ach), which is related to motor nerve degeneration. The aims of the present study were to evaluate the in vitro cholinergic nerve differentiation potential of mesenchymal stem cells from cryopreserved human dental pulp (hDPSCs-cryo) and to analyze the scale of in vivo motor nerve regeneration. The hDPSCs-cryo were isolated and cultured from cryopreserved dental pulp tissues, and thereafter differentiated into cholinergic neurons using tricyclodecane-9-yl-xanthogenate (D609). Differentiated cholinergic neurons (DF-chN) were transplanted into rats to address sciatic nerve defects, and the scale of in vivo motor nerve regeneration was analyzed. During in vitro differentiation, the cells showed neuron-like morphological changes including axonal fibers and neuron body development, and revealed high expression of cholinergic neuron-specific markers at both the messenger RNA (mRNA) and protein levels. Importantly, DF-chN showed significant Ach secretion ability. At eight weeks after DF-chN transplantation in rats with sciatic nerve defects, notably increased behavioral activities were detected with an open-field test, with enhanced low-affinity nerve growth factor receptor (p75NGFR) expression detected using immunohistochemistry. These results demonstrate that stem cells from cryopreserved dental pulp can successfully differentiate into cholinergic neurons in vitro and enhance motor nerve regeneration when transplanted in vivo. Additionally, this study suggests that long-term preservation of dental pulp tissue is worthwhile for use as an autologous cell resource in the field of nerve regeneration, including cholinergic nerves.
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Affiliation(s)
- Soomi Jang
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Ulsan 44033, Korea.
| | - Young-Hoon Kang
- Department of Dentistry, Gyeongsang National University School of Medicine and Institute of Health Science, Jinju 52727, Korea.
- Department of Oral and Maxillofacial Surgery, Changwon Gyeongsang National University Hospital, Changwon 51472, Korea.
| | - Imran Ullah
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea.
| | - Sharath Belame Shivakumar
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea.
| | - Gyu-Jin Rho
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea.
| | - Yeong-Cheol Cho
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Ulsan 44033, Korea.
| | - Iel-Yong Sung
- Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Ulsan 44033, Korea.
| | - Bong-Wook Park
- Department of Dentistry, Gyeongsang National University School of Medicine and Institute of Health Science, Jinju 52727, Korea.
- Department of Oral and Maxillofacial Surgery, Changwon Gyeongsang National University Hospital, Changwon 51472, Korea.
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Romeo L, Diomede F, Gugliandolo A, Scionti D, Lo Giudice F, Lanza Cariccio V, Iori R, Bramanti P, Trubiani O, Mazzon E. Moringin Induces Neural Differentiation in the Stem Cell of the Human Periodontal Ligament. Sci Rep 2018; 8:9153. [PMID: 29904155 PMCID: PMC6002387 DOI: 10.1038/s41598-018-27492-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/04/2018] [Indexed: 12/26/2022] Open
Abstract
The therapeutic strategies for neurodegenerative diseases still represent a vast research field because of the lack of targeted, effective and resolutive treatment for neurodegenerative diseases. The use of stem cell-based therapy is an alternative approach that could lead to the replacement of damaged neuronal tissue. For this purpose, adult mesenchymal stem cells (MSC), including periodontal ligament stem cells (PDLSCs), could be very useful for their differentiation capacity, easy isolation and the ability to perform an autologous implant. The aim of this work was to test whether the Moringin [4-(α-L-rhamnosyloxy) benzyl isothiocyanate; GMG-ITC], an isothiocyanate extracted from Moringa oleifera seeds, was able to induce PDLSCs toward neural progenitor differentiation. Next-generation transcriptomics sequencing showed that moringin treatment increased the expression of genes involved in neuron cortical development and in particular in neuron belonging to upper and deep cortical layers. Moreover, moringin treatment upregulated genes involved in osteogenesis and adipogenesis although with a lower fold change compared to upregulated genes involved in neuronal differentiation. Finally, moringin did not induce the expression of oncogenes resulting in a safe treatment.
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Affiliation(s)
- Letizia Romeo
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Francesca Diomede
- Department of medical, oral and biotechnological sciences, University "G. d'Annunzio" Chieti-Pescara, Chieti, Italy
| | - Agnese Gugliandolo
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Domenico Scionti
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Fabrizio Lo Giudice
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Veronica Lanza Cariccio
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Renato Iori
- Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Centro di ricerca Agricoltura e Ambiente (CREA-AA), Via di Corticella 133, 40128, Bologna, Italy
| | - Placido Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy
| | - Oriana Trubiani
- Department of medical, oral and biotechnological sciences, University "G. d'Annunzio" Chieti-Pescara, Chieti, Italy
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124, Messina, Italy.
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Tsikandelova R, Mladenov P, Planchon S, Kalenderova S, Praskova M, Mihaylova Z, Stanimirov P, Mitev V, Renaut J, Ishkitiev N. Proteome response of dental pulp cells to exogenous FGF8. J Proteomics 2018; 183:14-24. [PMID: 29758290 DOI: 10.1016/j.jprot.2018.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 04/17/2018] [Accepted: 05/02/2018] [Indexed: 12/14/2022]
Abstract
FGF8 specifies early tooth development by directing the migration of the early tooth founder cells to the site of tooth emergence. To date the effect of the FGF8 in adult dental pulp has not been studied. We have assessed the regenerative potential of FGF8 by evaluating changes in the proteome landscape of dental pulp following short- and long-term exposure to recombinant FGF8 protein. In addition, we carried out qRT PCR analysis to determine extracellular/adhesion gene marker expression and assessed cell proliferation and mineralization in response to FGF8 treatment. 2D and mass spectrometry data showed differential expression of proteins implicated in cytoskeleton/ECM remodeling and migration, cell proliferation and odontogenic differentiation as evidenced by the upregulation of gelsolin, moesin, LMNA, WDR1, PLOD2, COPS5 and downregulation of P4HB. qRT PCR showed downregulation of proteins involved in cell-matrix adhesion such as ADAMTS8, LAMB3 and ANOS1 and increased expression of the angiogenesis marker PECAM1. We have observed that, FGF8 treatment was able to boost dental pulp cell proliferation and to enhance dental pulp mineralization. Collectively, our data suggest that, FGF8 treatment could promote endogenous healing of the dental pulp via recruitment of dental pulp progenitors as well as by promoting their angiogenic and odontogenic differentiation. SIGNIFICANCE Dental pulp cells (DP) have been studied extensively for the purposes of mineralized tissue repair, particularly for the reconstruction of hard and soft tissue maxillofacial defects. Canonical FGF signaling has been implicated throughout multiple stages of tooth development by regulating cell proliferation, differentiation, survival as well as cellular migration. FGF8 expression is indispensible for normal tooth development and particularly for the migration of early tooth progenitors to the sites of tooth emergence. The present study provides proteome and qRT PCR data with regard to the future application and biological relevance of FGF8 in dental regenerative medicine. AUTHORS WITH ORCID Rozaliya Tsikandelova - 0000-0003-0178-3767 Zornitsa Mihaylova - 0000-0003-1748-4489 Sébastien Planchon - 0000-0002-0455-0574 Nikolay Ishkitiev - 0000-0002-4351-5579.
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Affiliation(s)
- Rozaliya Tsikandelova
- Medical University Sofia, Dept. of Medical Chemistry and Biochemistry, 2 Zdrave Str. Sofia, 1431, Bulgaria
| | - Petko Mladenov
- Agrobioinstitute, Agricultural Academy, Dr. Tsankov Blvd 8, 1164 Sofia, Bulgaria
| | - Sébastien Planchon
- Luxembourg Institute of Science and Technology, 5 Avenue des Hauts-Fourneaux, 4362 Esch-sur-Alzette, Luxembourg
| | - Silvia Kalenderova
- Medical University Sofia, Dept. of Medical Chemistry and Biochemistry, 2 Zdrave Str. Sofia, 1431, Bulgaria
| | - Maria Praskova
- Medical University Sofia, Dept. of Medical Chemistry and Biochemistry, 2 Zdrave Str. Sofia, 1431, Bulgaria
| | - Zornitsa Mihaylova
- Medical University Sofia, Dept. of Oral and Maxillofacial Surgery, 1 G. Sofiyski str. Sofia, 1431, Bulgaria
| | - Pavel Stanimirov
- Medical University Sofia, Dept. of Oral and Maxillofacial Surgery, 1 G. Sofiyski str. Sofia, 1431, Bulgaria
| | - Vanyo Mitev
- Medical University Sofia, Dept. of Medical Chemistry and Biochemistry, 2 Zdrave Str. Sofia, 1431, Bulgaria
| | - Jenny Renaut
- Luxembourg Institute of Science and Technology, 5 Avenue des Hauts-Fourneaux, 4362 Esch-sur-Alzette, Luxembourg
| | - Nikolay Ishkitiev
- Medical University Sofia, Dept. of Medical Chemistry and Biochemistry, 2 Zdrave Str. Sofia, 1431, Bulgaria.
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Potential Roles of Dental Pulp Stem Cells in Neural Regeneration and Repair. Stem Cells Int 2018; 2018:1731289. [PMID: 29853908 PMCID: PMC5964589 DOI: 10.1155/2018/1731289] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 03/22/2018] [Indexed: 12/22/2022] Open
Abstract
This review summarizes current advances in dental pulp stem cells (DPSCs) and their potential applications in the nervous diseases. Injured adult mammalian nervous system has a limited regenerative capacity due to an insufficient pool of precursor cells in both central and peripheral nervous systems. Nerve growth is also constrained by inhibitory factors (associated with central myelin) and barrier tissues (glial scarring). Stem cells, possessing the capacity of self-renewal and multicellular differentiation, promise new therapeutic strategies for overcoming these impediments to neural regeneration. Dental pulp stem cells (DPSCs) derive from a cranial neural crest lineage, retain a remarkable potential for neuronal differentiation, and additionally express multiple factors that are suitable for neuronal and axonal regeneration. DPSCs can also express immunomodulatory factors that stimulate formation of blood vessels and enhance regeneration and repair of injured nerve. These unique properties together with their ready accessibility make DPSCs an attractive cell source for tissue engineering in injured and diseased nervous systems. In this review, we interrogate the neuronal differentiation potential as well as the neuroprotective, neurotrophic, angiogenic, and immunomodulatory properties of DPSCs and its application in the injured nervous system. Taken together, DPSCs are an ideal stem cell resource for therapeutic approaches to neural repair and regeneration in nerve diseases.
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44
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Van der Cruyssen F, Politis C. Neurophysiological aspects of the trigeminal sensory system: an update. Rev Neurosci 2018; 29:115-123. [DOI: 10.1515/revneuro-2017-0044] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 07/20/2017] [Indexed: 02/04/2023]
Abstract
AbstractThe trigeminal system is one of the most complex cranial nerve systems of the human body. Research on it has vastly grown in recent years and concentrated more and more on molecular mechanisms and pathophysiology, but thorough reviews on this topic are lacking, certainly on the normal physiology of the trigeminal sensory system. Here we review the current literature on neurophysiology of the trigeminal nerve from peripheral receptors up to its central projections toward the somatosensory cortex. We focus on the most recent scientific discoveries and describe historical relevant research to substantiate further. One chapter on new insights of the pathophysiology of pain at the level of the trigeminal system is added. A database search of Medline, Embase and Cochrane was conducted with the search terms ‘animal study’, ‘neurophysiology’, ‘trigeminal’, ‘oral’ and ‘sensory’. Articles were manually selected after reading the abstract and where needed the article. Reference lists also served to include relevant research articles. Fifty-six articles were included after critical appraisal. Physiological aspects on mechanoreceptors, trigeminal afferents, trigeminal ganglion and central projections are reviewed in light of reference works. Embryologic and anatomic insights are cited where needed. A brief description of pathophysiology of pain pathways in the trigeminal area and recent advances in dental stem cell research are also discussed. Neurophysiology at the level of the central nervous system is not reviewed. The current body of knowledge is mainly based on animal and cadaveric studies, but recent advancements in functional imaging and molecular neuroscience are elucidating the pathways and functioning of this mixed nerve system. Extrapolation of animal studies or functioning of peripheral nerves should be warranted.
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45
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Bakhshandeh B, Zarrintaj P, Oftadeh MO, Keramati F, Fouladiha H, Sohrabi-Jahromi S, Ziraksaz Z. Tissue engineering; strategies, tissues, and biomaterials. Biotechnol Genet Eng Rev 2018; 33:144-172. [PMID: 29385962 DOI: 10.1080/02648725.2018.1430464] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Current tissue regenerative strategies rely mainly on tissue repair by transplantation of the synthetic/natural implants. However, limitations of the existing strategies have increased the demand for tissue engineering approaches. Appropriate cell source, effective cell modification, and proper supportive matrices are three bases of tissue engineering. Selection of appropriate methods for cell stimulation, scaffold synthesis, and tissue transplantation play a definitive role in successful tissue engineering. Although the variety of the players are available, but proper combination and functional synergism determine the practical efficacy. Hence, in this review, a comprehensive view of tissue engineering and its different aspects are investigated.
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Affiliation(s)
- Behnaz Bakhshandeh
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Payam Zarrintaj
- b School of Chemical Engineering, College of Engineering , University of Tehran , Tehran , Iran
| | - Mohammad Omid Oftadeh
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran.,c Stem Cell Technology Research Center , Tehran , Iran
| | - Farid Keramati
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Hamideh Fouladiha
- a Department of Biotechnology, College of Science , University of Tehran , Tehran , Iran
| | - Salma Sohrabi-Jahromi
- d Gottingen Center for Molecular Biosciences , Georg August University , Göttingen , Germany
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46
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Collignon AM, Lesieur J, Vacher C, Chaussain C, Rochefort GY. Strategies Developed to Induce, Direct, and Potentiate Bone Healing. Front Physiol 2017; 8:927. [PMID: 29184512 PMCID: PMC5694432 DOI: 10.3389/fphys.2017.00927] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 10/31/2017] [Indexed: 12/19/2022] Open
Abstract
Bone exhibits a great ability for endogenous self-healing. Nevertheless, impaired bone regeneration and healing is on the rise due to population aging, increasing incidence of bone trauma and the clinical need for the development of alternative options to autologous bone grafts. Current strategies, including several biomolecules, cellular therapies, biomaterials, and different permutations of these, are now developed to facilitate the vascularization and the engraftment of the constructs, to recreate ultimately a bone tissue with the same properties and characteristics of the native bone. In this review, we browse the existing strategies that are currently developed, using biomolecules, cells and biomaterials, to induce, direct and potentiate bone healing after injury and further discuss the biological processes associated with this repair.
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Affiliation(s)
- Anne-Margaux Collignon
- EA 2496 Orofacial Pathologies, Imaging and Biotherapies, Dental School Faculty, Life Imaging Platform (PIV), University Paris Descartes, Montrouge, France.,Department of Odontology, University Hospitals PNVS, Assistance Publique Hopitaux De Paris, Paris, France
| | - Julie Lesieur
- EA 2496 Orofacial Pathologies, Imaging and Biotherapies, Dental School Faculty, Life Imaging Platform (PIV), University Paris Descartes, Montrouge, France
| | - Christian Vacher
- EA 2496 Orofacial Pathologies, Imaging and Biotherapies, Dental School Faculty, Life Imaging Platform (PIV), University Paris Descartes, Montrouge, France.,Department of Maxillofacial Surgery, Beaujon Hospital, Assistance Publique Hopitaux De Paris, Paris, France
| | - Catherine Chaussain
- EA 2496 Orofacial Pathologies, Imaging and Biotherapies, Dental School Faculty, Life Imaging Platform (PIV), University Paris Descartes, Montrouge, France.,Department of Odontology, University Hospitals PNVS, Assistance Publique Hopitaux De Paris, Paris, France
| | - Gael Y Rochefort
- EA 2496 Orofacial Pathologies, Imaging and Biotherapies, Dental School Faculty, Life Imaging Platform (PIV), University Paris Descartes, Montrouge, France
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47
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Koto W, Shinohara Y, Kitamura K, Wachi T, Makihira S, Koyano K. Porcine Dental Epithelial Cells Differentiated in a Cell Sheet Constructed by Magnetic Nanotechnology. NANOMATERIALS 2017; 7:nano7100322. [PMID: 29027917 PMCID: PMC5666487 DOI: 10.3390/nano7100322] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/07/2017] [Accepted: 10/09/2017] [Indexed: 12/17/2022]
Abstract
Magnetic nanoparticles (MNPs) are widely used in medical examinations, treatments, and basic research, including magnetic resonance imaging, drug delivery systems, and tissue engineering. In this study, MNPs with magnetic force were applied to tissue engineering for dental enamel regeneration. The internalization of MNPs into the odontogenic cells was observed by transmission electron microscopy. A combined cell sheet consisting of dental epithelial cells (DECs) and dental mesenchymal cells (DMCs) (CC sheet) was constructed using magnetic force-based tissue engineering technology. The result of the iron staining indicated that MNPs were distributed ubiquitously over the CC sheet. mRNA expression of enamel differentiation and basement membrane markers was examined in the CC sheet. Immunostaining showed Collagen IV expression at the border region between DEC and DMC layers in the CC sheet. These results revealed that epithelial–mesenchymal interactions between DEC and DMC layers were caused by bringing DECs close to DMCs mechanically by magnetic force. Our study suggests that the microenvironment in the CC sheet might be similar to that during the developmental stage of a tooth bud. In conclusion, a CC sheet employing MNPs could be developed as a novel and unique graft for artificially regenerating dental enamel.
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Affiliation(s)
- Wataru Koto
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
| | - Yoshinori Shinohara
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
| | - Kazuyuki Kitamura
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
| | - Takanori Wachi
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
| | - Seicho Makihira
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
| | - Kiyoshi Koyano
- Section of Fixed Prosthodontics, Department of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan.
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48
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Gugliandolo A, Diomede F, Cardelli P, Bramanti A, Scionti D, Bramanti P, Trubiani O, Mazzon E. Transcriptomic analysis of gingival mesenchymal stem cells cultured on 3D bioprinted scaffold: A promising strategy for neuroregeneration. J Biomed Mater Res A 2017; 106:126-137. [PMID: 28879677 DOI: 10.1002/jbm.a.36213] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/02/2017] [Accepted: 08/22/2017] [Indexed: 01/01/2023]
Abstract
The combined approach of mesenchymal stem cells (MSCs) and scaffolds has been proposed as a potential therapeutic tool for the treatment of neurodegenerative diseases. Indeed, even if MSCs can promote neuronal regeneration, replacing lost neurons or secreting neurotrophic factors, many limitations still exist for their application in regenerative medicine, including the low survival and differentiation rate. The scaffolds, by mimicking the endogenous microenvironment, have shown to promote cell survival, proliferation, and differentiation. In this work, gingival mesenchymal stem cells (GMSCs), isolated from healthy donors, were expanded in vitro, by culturing them adherent in plastic dishes (CTR-GMSCs) or on a poly(lactic acid) scaffold (SC-GMSCs). In order to evaluate the survival and the neurogenic differentiation potential, we performed a comparative transcriptomic analysis between CTR-GMSCs and SC-GMSCs by next generation sequencing. We found that SC-GMSCs showed an increased expression of neurogenic and prosurvival genes. In particular, genes involved in neurotrophin signaling and PI3K/Akt pathways were upregulated. On the contrary, proapoptotic and negative regulator of neuronal growth genes were downregulated. Moreover, nestin and GAP-43 protein levels increased in SC-GMSCs, confirming the neurogenic commitment of these cells. In conclusion, the scaffold, providing a trophic support for MSCs, may promote GMSCs differentiation toward a neuronal phenotype and survival. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 126-137, 2018.
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Affiliation(s)
- Agnese Gugliandolo
- IRCCS Centro Neurolesi "Bonino-Pulejo," Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
| | - Francesca Diomede
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio," Chieti-Pescara, via dei Vestini, 31, 66100, Chieti, Italy
| | - Paolo Cardelli
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio," Chieti-Pescara, via dei Vestini, 31, 66100, Chieti, Italy
| | - Alessia Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo," Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.,Institute of Applied Science and Intelligent Systems "ISASI Eduardo Caianiello,", National Research Council of Italy, Messina, Italy
| | - Domenico Scionti
- IRCCS Centro Neurolesi "Bonino-Pulejo," Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
| | - Placido Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo," Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
| | - Oriana Trubiani
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio," Chieti-Pescara, via dei Vestini, 31, 66100, Chieti, Italy
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo," Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
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49
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Singh M, Kakkar A, Sharma R, Kharbanda OP, Monga N, Kumar M, Chowdhary S, Airan B, Mohanty S. Synergistic Effect of BDNF and FGF2 in Efficient Generation of Functional Dopaminergic Neurons from human Mesenchymal Stem Cells. Sci Rep 2017; 7:10378. [PMID: 28871128 PMCID: PMC5583182 DOI: 10.1038/s41598-017-11028-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 07/31/2017] [Indexed: 12/24/2022] Open
Abstract
To understand the process of neurogenesis, generation of functional dopaminergic (DAergic) neurons from human mesenchymal stem cells (hMSCs) is important. BDNF has been reported to be responsible for inducing neuronal maturation and functionality. Previously, we have reported the efficient generation of neurons from human bone marrow derived MSCs using FGF2 alone. We hypothesize that hMSCs from various tissues [(bone marrow (BM), adipose tissue (AD) and dental pulp (DP)], if treated with BDNF on 9th day of induction, alongwith FGF2 will generate functional DAergic neurons. Hence, cells were characterized at morphometric, transcription and translational levels for various markers like MAP2, TH, NGN2, PITX3, DAT, synaptophysin, Kv4.2 and SCN5A. Functionality of in vitro generated neurons was studied by calcium ion imaging. Result analysis depicted that BDNF has effect on expression of dopaminergic neuronal markers at gene and protein levels and functionality of neurons. Among these hMSCs, DP-MSC showed significantly better neuronal characteristics in terms of morphology, expression of neuronal markers and foremost, functionality of neurons. From the present study, therefore, we concluded that i) BDNF has additive effect on neuronal characteristics and functionality ii) DP-MSC are better MSC candidate to study DAergic neurogenesis and perform future studies.
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Affiliation(s)
- Manisha Singh
- Stem Cell Facility (DBT- Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Anupama Kakkar
- Stem Cell Facility (DBT- Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Rinkey Sharma
- Stem Cell Facility (DBT- Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - O P Kharbanda
- Department of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research (CDER), All India Institute of Medical Sciences, New Delhi, India
| | - Nitika Monga
- Department of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research (CDER), All India Institute of Medical Sciences, New Delhi, India
| | - Manish Kumar
- Institute of Genomics and Integrative Biology, New Delhi, India
| | | | - Balram Airan
- Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Sujata Mohanty
- Stem Cell Facility (DBT- Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India.
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50
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Haratizadeh S, Nazm Bojnordi M, Darabi S, Karimi N, Naghikhani M, Ghasemi Hamidabadi H, Seifi M. Condition medium of cerebrospinal fluid and retinoic acid induces the transdifferentiation of human dental pulp stem cells into neuroglia and neural like cells. Anat Cell Biol 2017; 50:107-114. [PMID: 28713614 PMCID: PMC5509894 DOI: 10.5115/acb.2017.50.2.107] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 03/27/2017] [Accepted: 03/30/2017] [Indexed: 12/27/2022] Open
Abstract
Cerebrospinal fluid (CSF) contains several molecules which are essential for neurogenesis. Human dental pulp stem cells (hDPSCs) are putatively neural crest cell-derived that can differentiate into neurons and glial cells under appropriate neurotrophic factors. The aim of this study was to induce differentiation of hDPSCs into neuroglial phenotypes using retinoic acid (RA) and CSF. The hDPSCs from an impacted third molar were isolated by mechanical and digestion and cultured. The cells have treated by 10−7 µM RA (RA group) for 8 days, 10% CSF (CSF group) for 8 days and RA with CSF for 8 days (RA/CSF group). Nestin, microtubule-associated protein 2 (MAP2), and glial fibrillary acidic protein immunostaining were used to examine the differentiated cells. Axonal outgrowth was detected using Bielschowsky's silver impregnation method and Nissl bodies were stained in differentiated cells by Cresyl violet. The morphology of differentiated cells in treated groups was significantly changed after 3–5 days. The results of immunocytochemistry showed the presence of neuroprogenitor marker nestin was seen in all groups. However, the high percentage of nestin positive cells and MAP2, as mature neural markers, were observed at the pre-induction and induction stage, respectively. Nissl bodies were detected as dark-blue particles in the cytoplasm of treated cells. Our findings showed the RA as pre-inducer and CSF as inducer for using in vitro differentiation of neuron-like cells and neuroglial cells from hDPSCs.
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Affiliation(s)
- Sara Haratizadeh
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Maryam Nazm Bojnordi
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Anatomy and Cell Biology, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Shahram Darabi
- Cellular and Molecular Research Center, Qazvin University of Medical Science, Qazvin, Iran
| | - Narges Karimi
- Department of Neurology, School of Medicine, Immunogenetic Research Center, Clinical Research Development Unit of Bou Ali Sina Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mehrdad Naghikhani
- Department of Basic Sciences, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Hatef Ghasemi Hamidabadi
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Anatomy and Cell Biology, Immunogenetic Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Morteza Seifi
- Department of Medical Genetics, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
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