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Fawzy El-Sayed K, Mahlandt E, Schlicht K, Enthammer K, Tölle J, Wagner J, Hartmann K, Ebeling PR, Graetz C, Laudes M, Dörfer CE, Schulte DM. Effects of oxidized LDL versus IL-1ß/TNF-ɑ/INFɣ on human gingival mesenchymal stem cells properties. J Periodontal Res 2024. [PMID: 38952262 DOI: 10.1111/jre.13319] [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: 04/23/2024] [Revised: 06/12/2024] [Accepted: 06/19/2024] [Indexed: 07/03/2024]
Abstract
AIMS Oxidized low-density lipoprotein (oxLDL) is an important player in the course of metabolic inflammatory diseases. oxLDL was identified in the gingival crevicular fluid, denoting possible associations between oxLDL-induced inflammation and periodontal disease. The current investigation compared for the first-time direct effects of oxLDL to a cytokine cocktail of IL-1ß/TNF-ɑ/INF-γ on gingival mesenchymal stem cells' (G-MSCs) attributes. METHODS Human third passage G-MSCs, isolated from connective tissue biopsies (n = 5) and characterized, were stimulated in three groups over 7 days: control group, cytokine group (IL-1β[1 ng/mL], TNF-α[10 ng/mL], IFN-γ[100 ng/mL]), or oxLDL group (oxLDL [50 μg/mL]). Next Generation Sequencing and KEGG pathway enrichment analysis, stemness gene expression (NANOG/SOX2/OCT4A), cellular proliferation, colony-formation, multilinear potential, and altered intracellular pathways were investigated via histochemistry, next-generation sequencing, and RT-qPCR. RESULTS G-MSCs exhibited all mesenchymal stem cells' characteristics. oxLDL group and cytokine group displayed no disparities in their stemness markers (p > .05). Next-generation-sequencing revealed altered expression of the TXNIP gene in response to oxLDL treatment compared with controls (p = .04). Following an initial boosting for up to 5 days by inflammatory stimuli, over 14 day, cellular counts [median count ×10-5 (Q25/Q75)] were utmost in control - [2.6607 (2.0804/4.5357)], followed by cytokine - [0.0433 (0.0026/1.4215)] and significantly lowered in the oxLDL group [0.0274 (0.0023/0.7290); p = .0047]. Osteogenic differentiation [median relative Ca2+ content(Q25/Q75)] was significantly lower in cytokine - [0.0066 (0.0052/0.0105)] compared to oxLDL - [0.0144 (0.0108/0.0216)] (p = .0133), with no differences notable for chondrogenic and adipogenic differentiation (p > .05). CONCLUSIONS Within the current investigation's limitations, in contrast to cytokine-mediated inflammation, G-MSCs appear to be minimally responsive to oxLDL-mediated metabolic inflammation, with little negative effect on their differentiation attributes and significantly reduced cellular proliferation.
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Affiliation(s)
- Karim Fawzy El-Sayed
- Clinic for Conservative Dentistry and Periodontology, University Hospital of Schleswig-Holstein, Kiel, Germany
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Stem Cells and Tissue Engineering Unit, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Elena Mahlandt
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Kristina Schlicht
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Kim Enthammer
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Johannes Tölle
- Clinic for Conservative Dentistry and Periodontology, University Hospital of Schleswig-Holstein, Kiel, Germany
- Department of Dermatology, University Hospital Schleswig-Holstein, Kiel, Germany
- Institute of Immunology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Juliane Wagner
- Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Katharina Hartmann
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Peter R Ebeling
- Department of Medicine, School of Clinical Sciences at Monash Health, Monash University, Melbourne, Victoria, Australia
| | - Christian Graetz
- Clinic for Conservative Dentistry and Periodontology, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Mathias Laudes
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
- Division of Endocrinology, Diabetes and Clinical Nutrition, Department of Internal Medicine I, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Christof E Dörfer
- Clinic for Conservative Dentistry and Periodontology, University Hospital of Schleswig-Holstein, Kiel, Germany
| | - Dominik M Schulte
- Institute of Diabetes and Clinical Metabolic Research, University Hospital of Schleswig-Holstein, Kiel, Germany
- Department of Medicine, School of Clinical Sciences at Monash Health, Monash University, Melbourne, Victoria, Australia
- Division of Endocrinology, Diabetes and Clinical Nutrition, Department of Internal Medicine I, University Hospital Schleswig-Holstein, Kiel, Germany
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Guo W, Dong H, Wang X. Emerging roles of hydrogel in promoting periodontal tissue regeneration and repairing bone defect. Front Bioeng Biotechnol 2024; 12:1380528. [PMID: 38720879 PMCID: PMC11076768 DOI: 10.3389/fbioe.2024.1380528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/08/2024] [Indexed: 05/12/2024] Open
Abstract
Periodontal disease is the most common type of oral disease. Periodontal bone defect is the clinical outcome of advanced periodontal disease, which seriously affects the quality of life of patients. Promoting periodontal tissue regeneration and repairing periodontal bone defects is the ultimate treatment goal for periodontal disease, but the means and methods are very limited. Hydrogels are a class of highly hydrophilic polymer networks, and their good biocompatibility has made them a popular research material in the field of oral medicine in recent years. This paper reviews the current mainstream types and characteristics of hydrogels, and summarizes the relevant basic research on hydrogels in promoting periodontal tissue regeneration and bone defect repair in recent years. The possible mechanisms of action and efficacy evaluation are discussed in depth, and the application prospects are also discussed.
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Affiliation(s)
- Wendi Guo
- Department of Prosthodontics and Implant Dentistry, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
- Affiliated Stomatological Hospital of Xinjiang Medical University, Urumqi, China
- Stomatology Research Institute of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Hongbin Dong
- Department of Prosthodontics and Implant Dentistry, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
- Affiliated Stomatological Hospital of Xinjiang Medical University, Urumqi, China
- Stomatology Research Institute of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Xing Wang
- Department of Prosthodontics and Implant Dentistry, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
- Affiliated Stomatological Hospital of Xinjiang Medical University, Urumqi, China
- Stomatology Research Institute of Xinjiang Uygur Autonomous Region, Urumqi, China
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3
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Mansour A, Acharya AB, Alliot C, Eid N, Badran Z, Kareem Y, Rahman B. Hyaluronic acid in Dentoalveolar regeneration: Biological rationale and clinical applications. J Oral Biol Craniofac Res 2024; 14:230-235. [PMID: 38510340 PMCID: PMC10950752 DOI: 10.1016/j.jobcr.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 01/17/2024] [Accepted: 02/23/2024] [Indexed: 03/22/2024] Open
Abstract
Background Hyaluronic acid (HA) is found in different locations in the periodontium, including mineralized tissues (i.e., cementum and alveolar bone) and non-mineralized tissues (i.e., gingiva and periodontal ligament). In addition, it seems to play an essential part in regulating the underlying mechanisms involved in tissue inflammatory reactions and wound healing. HA has the potential to regulate periodontal tissue regeneration and treat periodontal disease. Aim The current review of the literature was conducted to assess how HA plays its part in periodontal therapy and examine the contemporary literature's viewpoint on its use in periodontal regeneration. Conclusion HA has a multifunctional character in periodontal regeneration, and healing and appears to provide promising outcomes in different periodontal regenerative applications.
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Affiliation(s)
- Alaa Mansour
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Anirudh Balakrishna Acharya
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Charles Alliot
- Department of Periodontology, Faculty of Dental Surgery, University of Nantes, Nantes, France
| | - Nael Eid
- Prosthodontics Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Zahi Badran
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Yousef Kareem
- College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Betul Rahman
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
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4
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Fawzy El-Sayed KM, Cosgarea R, Sculean A, Doerfer C. Can vitamins improve periodontal wound healing/regeneration? Periodontol 2000 2024; 94:539-602. [PMID: 37592831 DOI: 10.1111/prd.12513] [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: 05/12/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 08/19/2023]
Abstract
Periodontitis is a complex inflammatory disorder of the tooth supporting structures, associated with microbial dysbiosis, and linked to a number if systemic conditions. Untreated it can result in an irreversible damage to the periodontal structures and eventually teeth loss. Regeneration of the lost periodontium requires an orchestration of a number of biological events on cellular and molecular level. In this context, a set of vitamins have been advocated, relying their beneficial physiological effects, to endorse the biological regenerative events of the periodontium on cellular and molecular levels. The aim of the present article is to elaborate on the question whether or not vitamins improve wound healing/regeneration, summarizing the current evidence from in vitro, animal and clinical studies, thereby shedding light on the knowledge gap in this field and highlighting future research needs. Although the present review demonstrates the current heterogeneity in the available evidence and knowledge gaps, findings suggest that vitamins, especially A, B, E, and CoQ10, as well as vitamin combinations, could exert positive attributes on the periodontal outcomes in adjunct to surgical or nonsurgical periodontal therapy.
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Affiliation(s)
- Karim M Fawzy El-Sayed
- Oral Medicine and Periodontology Department, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
| | - Raluca Cosgarea
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany
- Department of Periodontology and Peri-implant Diseases, Philips University Marburg, Marburg, Germany
- Clinic for Prosthetic Dentistry, University Iuliu-Hatieganu, Cluj-Napoca, Romania
| | - Anton Sculean
- Department of Periodontology, University of Bern, Bern, Switzerland
| | - Christof Doerfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
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5
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Zhang S, Liu J, Feng F, Jia Y, Xu F, Wei Z, Zhang M. Rational design of viscoelastic hydrogels for periodontal ligament remodeling and repair. Acta Biomater 2024; 174:69-90. [PMID: 38101557 DOI: 10.1016/j.actbio.2023.12.017] [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: 08/16/2023] [Revised: 11/14/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
The periodontal ligament (PDL) is a distinctive yet critical connective tissue vital for maintaining the integrity and functionality of tooth-supporting structures. However, PDL repair poses significant challenges due to the complexity of its mechanical microenvironment encompassing hard-soft-hard tissues, with the viscoelastic properties of the PDL being of particular interest. This review delves into the significant role of viscoelastic hydrogels in PDL regeneration, underscoring their utility in simulating biomimetic three-dimensional microenvironments. We review the intricate relationship between PDL and viscoelastic mechanical properties, emphasizing the role of tissue viscoelasticity in maintaining mechanical functionality. Moreover, we summarize the techniques for characterizing PDL's viscoelastic behavior. From a chemical bonding perspective, we explore various crosslinking methods and characteristics of viscoelastic hydrogels, along with engineering strategies to construct viscoelastic cell microenvironments. We present a detailed analysis of the influence of the viscoelastic microenvironment on cellular mechanobiological behavior and fate. Furthermore, we review the applications of diverse viscoelastic hydrogels in PDL repair and address current challenges in the field of viscoelastic tissue repair. Lastly, we propose future directions for the development of innovative hydrogels that will facilitate not only PDL but also systemic ligament tissue repair. STATEMENT OF SIGNIFICANCE.
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Affiliation(s)
- Songbai Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an 710032, PR China; The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Jingyi Liu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Fan Feng
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an 710032, PR China
| | - Yuanbo Jia
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Zhao Wei
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, PR China.
| | - Min Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an 710032, PR China.
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6
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Santos MS, dos Santos AB, Carvalho MS. New Insights in Hydrogels for Periodontal Regeneration. J Funct Biomater 2023; 14:545. [PMID: 37998114 PMCID: PMC10672517 DOI: 10.3390/jfb14110545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
Periodontitis is a destructive inflammatory disease characterized by microbial infection that damages the tissues supporting the tooth (alveolar bone, gingiva, periodontal ligament, and cementum), ultimately resulting in the loss of teeth. The ultimate goal of periodontal therapy is to achieve the regeneration of all of the periodontal tissues. Thus, tissue engineering approaches have been evolving from simple membranes or grafts to more complex constructs. Hydrogels are highly hydrophilic polymeric networks with the ability to simulate the natural microenvironment of cells. In particular, hydrogels offer several advantages when compared to other forms of scaffolds, such as tissue mimicry and sustained drug delivery. Moreover, hydrogels can maintain a moist environment similar to the oral cavity. Hydrogels allow for precise placement and retention of regenerative materials at the defect site, minimizing the potential for off-target effects and ensuring that the treatment is focused on the specific defect site. As a mechanism of action, the sustained release of drugs presented by hydrogels allows for control of the disease by reducing the inflammation and attracting host cells to the defect site. Several therapeutic agents, such as antibiotics, anti-inflammatory and osteogenic drugs, have been loaded into hydrogels, presenting effective benefits in periodontal health and allowing for sustained drug release. This review discusses the causes and consequences of periodontal disease, as well as the advantages and limitations of current treatments applied in clinics. The main components of hydrogels for periodontal regeneration are discussed focusing on their different characteristics, outcomes, and strategies for drug delivery. Novel methods for the fabrication of hydrogels are highlighted, and clinical studies regarding the periodontal applications of hydrogels are reviewed. Finally, limitations in current research are discussed, and potential future directions are proposed.
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Affiliation(s)
- Mafalda S. Santos
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - Alexandra B. dos Santos
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - Marta S. Carvalho
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
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7
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Wang Z, Knight R, Stephens P, Ongkosuwito EM, Wagener FADTG, Von den Hoff JW. Stem cells and extracellular vesicles to improve preclinical orofacial soft tissue healing. Stem Cell Res Ther 2023; 14:203. [PMID: 37580820 PMCID: PMC10426149 DOI: 10.1186/s13287-023-03423-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 07/20/2023] [Indexed: 08/16/2023] Open
Abstract
Orofacial soft tissue wounds caused by surgery for congenital defects, trauma, or disease frequently occur leading to complications affecting patients' quality of life. Scarring and fibrosis prevent proper skin, mucosa and muscle regeneration during wound repair. This may hamper maxillofacial growth and speech development. To promote the regeneration of injured orofacial soft tissue and attenuate scarring and fibrosis, intraoral and extraoral stem cells have been studied for their properties of facilitating maintenance and repair processes. In addition, the administration of stem cell-derived extracellular vesicles (EVs) may prevent fibrosis and promote the regeneration of orofacial soft tissues. Applying stem cells and EVs to treat orofacial defects forms a challenging but promising strategy to optimize treatment. This review provides an overview of the putative pitfalls, promises and the future of stem cells and EV therapy, focused on orofacial soft tissue regeneration.
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Affiliation(s)
- Zhihao Wang
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Rob Knight
- Stein Eye Institute, University of California Los Angeles, Los Angeles, CA, USA
| | - Phil Stephens
- Advanced Therapeutics Group, School of Dentistry, Cardiff University, Cardiff, Wales, UK
| | - E M Ongkosuwito
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Frank A D T G Wagener
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands
| | - Johannes W Von den Hoff
- Department of Dentistry, Orthodontics and Craniofacial Biology, Research Institute for Medical Innovation, Radboud University Medical Centre, 6525EX, Nijmegen, The Netherlands.
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8
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Zheng H, Zhou Y, Zheng Y, Liu G. Advances in hydrogels for the treatment of periodontitis. J Mater Chem B 2023; 11:7321-7333. [PMID: 37431231 DOI: 10.1039/d3tb00835e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Periodontitis is the second most prevalent oral disease and can cause serious harm to human health. Hydrogels are excellent biomaterials that can be used for periodontitis as drug delivery platforms to achieve inflammation control through high drug delivery efficiency and sustained drug release and as tissue scaffolds to achieve tissue remodelling through encapsulated cell wrapping and effective mass transfer. In this review, we summarize the latest advances in the treatment of periodontitis with hydrogels. The pathogenic mechanisms of periodontitis are introduced first, followed by the recent progress of hydrogels in controlling inflammation and tissue reconstruction, in which the specific performance of hydrogels is discussed in detail. Finally, the challenges and limitations of hydrogels for clinical applications in periodontitis are discussed and possible directions for development are proposed. This review aims to provide a reference for the design and fabrication of hydrogels for the treatment of periodontitis.
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Affiliation(s)
- Huiyu Zheng
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Yuan Zhou
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Yu Zheng
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
| | - Guiting Liu
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
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9
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The Role and Involvement of Stem Cells in Periodontology. Biomedicines 2023; 11:biomedicines11020387. [PMID: 36830924 PMCID: PMC9953576 DOI: 10.3390/biomedicines11020387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Periodontitis is a widespread inflammatory condition, characterized by a progressive deterioration of the supporting structures of the teeth. Due to the complexity of periodontal tissue and the surrounding inflammatory microenvironment, the repair of lesions at this level represents a continuous challenge. The regeneration of periodontal tissues is considered a promising strategy. Stem cells have remarkable properties, such as immunomodulatory potential, proliferation, migration, and multilineage differentiation. Thus, they can be used to repair tissue damage and reduce inflammation, potentially leading to periodontal regeneration. Among the stem cells used for periodontal regeneration, we studied dental mesenchymal stem cells (DMSCs), non-dental stem cells, and induced pluripotent stem cells (IPSCs). Although these cells have well documented important physiological characteristics, their use in contemporary practice to repair the affected periodontium is still a challenge.
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Bashir MH, Korany NS, Farag DBE, Abbass MMS, Ezzat BA, Hegazy RH, Dörfer CE, Fawzy El-Sayed KM. Polymeric Nanocomposite Hydrogel Scaffolds in Craniofacial Bone Regeneration: A Comprehensive Review. Biomolecules 2023; 13:biom13020205. [PMID: 36830575 PMCID: PMC9953024 DOI: 10.3390/biom13020205] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/05/2023] [Accepted: 01/09/2023] [Indexed: 01/22/2023] Open
Abstract
Nanocomposite biomaterials combine a biopolymeric matrix structure with nanoscale fillers. These bioactive and easily resorbable nanocomposites have been broadly divided into three groups, namely natural, synthetic or composite, based on the polymeric origin. Preparing such nanocomposite structures in the form of hydrogels can create a three-dimensional natural hydrophilic atmosphere pivotal for cell survival and new tissue formation. Thus, hydrogel-based cell distribution and drug administration have evolved as possible options for bone tissue engineering and regeneration. In this context, nanogels or nanohydrogels, created by cross-linking three-dimensional polymer networks, either physically or chemically, with high biocompatibility and mechanical properties were introduced as promising drug delivery systems. The present review highlights the potential of hydrogels and nanopolymers in the field of craniofacial tissue engineering and bone regeneration.
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Affiliation(s)
- Maha H. Bashir
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Nahed S. Korany
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Dina B. E. Farag
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Marwa M. S. Abbass
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Bassant A. Ezzat
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Radwa H. Hegazy
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany
| | - Karim M. Fawzy El-Sayed
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo 11553, Egypt
- Correspondence: ; Tel.: +49-431-500-26210
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Yin J, Lei Q, Luo X, Jiang T, Zou X, Schneider A, H K Xu H, Zhao L, Ma D. Degradable hydrogel fibers encapsulate and deliver metformin and periodontal ligament stem cells for dental and periodontal regeneration. J Appl Oral Sci 2023; 31:e20220447. [PMID: 37132700 PMCID: PMC10159044 DOI: 10.1590/1678-7757-2022-0447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 03/08/2023] [Indexed: 05/04/2023] Open
Abstract
Human periodontal ligament stem cells (hPDLSCs) are promising cells for dental and periodontal regeneration. This study aimed to develop novel alginate-fibrin fibers that encapsulates hPDLSCs and metformin, to investigate the effect of metformin on the osteogenic differentiation of hPDLSCs, and to determine the regulatory role of the Shh/Gli1 signaling pathway in the metformin-induced osteogenic differentiation of hPDLSCs for the first time. CCK8 assay was used to evaluate hPDLSCs. Alkaline phosphatase (ALP) staining, alizarin red S staining, and the expression of osteogenic genes were evaluated. Metformin and hPDLSCs were encapsulated in alginate-fibrinogen solutions, which were injected to form alginate-fibrin fibers. The activation of Shh/Gli1 signaling pathway was examined using qRT-PCR and western blot. A mechanistic study was conducted by inhibiting the Shh/Gli1 pathway using GANT61. The administration of 50 μM metformin resulted in a significant upregulation of osteogenic gene expression in hPDLSCs by 1.4-fold compared to the osteogenic induction group (P < 0.01), including ALP and runt-related transcription factor-2 (RUNX2). Furthermore, metformin increased ALP activity by 1.7-fold and bone mineral nodule formation by 2.6-fold (P<0.001). We observed that hPDLSCs proliferated with the degradation of alginate-fibrin fibers, and metformin induced their differentiation into the osteogenic lineage. Metformin also promoted the osteogenic differentiation of hPDLSCs by upregulating the Shh/Gli1 signaling pathway by 3- to 6- fold compared to the osteogenic induction group (P<0.001). The osteogenic differentiation ability of hPDLSCs were decreased 1.3- to 1.6-fold when the Shh/Gli1 pathway was inhibited, according to ALP staining and alizarin red S staining (P<0.01). Metformin enhanced the osteogenic differentiation of hPDLSCs via the Shh/Gli1 signaling pathway. Degradable alginate-fibrin hydrogel fibers encapsulating hPDLSCs and metformin have significant potential for use in dental and periodontal tissue engineering applications. Alginate-fibrin fibers encapsulating hPDLSCs and metformin have a great potential for use in the treatment of maxillofacial bone defects caused by trauma, tumors, and tooth extraction. Additionally, they may facilitate the regeneration of periodontal tissue in patients with periodontitis.
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Affiliation(s)
- Jingyao Yin
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
- Southern Medical University, School of Stomatology, Guangzhou, Guangdong, China
| | - Qian Lei
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
- Southern Medical University, School of Stomatology, Guangzhou, Guangdong, China
| | - Xinghong Luo
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
| | - Tao Jiang
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
- Southern Medical University, School of Stomatology, Guangzhou, Guangdong, China
| | - Xianghui Zou
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
- Southern Medical University, School of Stomatology, Guangzhou, Guangdong, China
| | - Abraham Schneider
- University of Maryland School of Dentistry, Department of Oncology and Diagnostic Sciences, Baltimore, Maryland, USA
| | - Hockin H K Xu
- University of Maryland Dental School, Department of Advanced Oral Sciences and Therapeutics, Biomaterials and Tissue Engineering Division, Baltimore, Maryland, USA
- University of Maryland School of Medicine, Marlene and Stewart Greenebaum Cancer Center, Baltimore, Maryland, USA
- University of Maryland School of Medicine, Center for Stem Cell Biology and Regenerative Medicine, Baltimore, Maryland, USA
| | - Liang Zhao
- Shunde Hospital, Department of Trauma and Joint Surgery, Guangzhou, Guangdong, China
- Southern Medical University, Nanfang Hospital, Department of Orthopaedic Surgery, Guangzhou, Guangdong, China
| | - Dandan Ma
- Southern Medical University, Stomatological Hospital, Department of Endodontics, Guangzhou, Guangdong, China
- Southern Medical University, School of Stomatology, Guangzhou, Guangdong, China
- University of Maryland Dental School, Department of Advanced Oral Sciences and Therapeutics, Biomaterials and Tissue Engineering Division, Baltimore, Maryland, USA
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12
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Regeneration of periodontal bone defects with mesenchymal stem cells in animal models. Systematic review and meta-analysis. Odontology 2023; 111:105-122. [PMID: 35788845 PMCID: PMC9810679 DOI: 10.1007/s10266-022-00725-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 06/08/2022] [Indexed: 01/07/2023]
Abstract
The aim of this study was to evaluate the efficacy of mesenchymal stem cells (MSCs) in the regeneration of periodontal bone defects in animal models. A systematic review and meta-analysis were conducted following the PRISMA guidelines, and the study was recorded in PROSPERO under reference number CDR42021247462. The PICO question was: is periodontal regeneration (cementum, periodontal ligament and alveolar bone) with MSCs more effective than other techniques? Three groups were considered: Group 1: MSCs alone or mixed with regenerative materials. Group 2: only regenerative materials. Group 3: no regenerative material nor MSCs. The search was conducted using MeSH with a total of 18 articles for qualitative analysis and 5 for quantitative analysis. For the meta-analysis, a modification of the effect size algorithm was developed, which considered a comparison of means between treatments using the Student's t sample distribution. When comparing the effect size between Group 1 and Group 2, the effect size for the new cementum was 2.83 mm with an estimated confidence interval of 95% (CI 95%) between 0.48 and 5.17 mm. When considering the fit to a random-effects model, the combined variance (τ2) was 6.1573 mm, with a standard deviation (SD) of 5.6008 mm and a percentage of total heterogeneity I2 of 92.33% (p < 0.0001). For new bone, the effect size was 0.88 mm, CI 95% - 0.25 to 2.01 mm, τ2 = 1.3108 mm (SD = 1.2021 mm) and I2 = 80.46%, p = 0.0004). With regard to the new periodontal ligament, it was not possible for the meta-analysis to be performed. MSCs have a greater capacity for tissue regeneration in root cementum than in alveolar bone compared to other regenerative materials.
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13
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Li M, Lv J, Yang Y, Cheng G, Guo S, Liu C, Ding Y. Advances of Hydrogel Therapy in Periodontal Regeneration-A Materials Perspective Review. Gels 2022; 8:gels8100624. [PMID: 36286125 PMCID: PMC9602018 DOI: 10.3390/gels8100624] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/18/2022] [Accepted: 09/27/2022] [Indexed: 11/04/2022] Open
Abstract
Hydrogel, a functional polymer material, has emerged as a promising technology for therapies for periodontal diseases. It has the potential to mimic the extracellular matrix and provide suitable attachment sites and growth environments for periodontal cells, with high biocompatibility, water retention, and slow release. In this paper, we have summarized the main components of hydrogel in periodontal tissue regeneration and have discussed the primary construction strategies of hydrogels as a reference for future work. Hydrogels provide an ideal microenvironment for cells and play a significant role in periodontal tissue engineering. The development of intelligent and multifunctional hydrogels for periodontal tissue regeneration is essential for future research.
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14
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Su N, Villicana C, Yang F. Immunomodulatory strategies for bone regeneration: A review from the perspective of disease types. Biomaterials 2022; 286:121604. [PMID: 35667249 PMCID: PMC9881498 DOI: 10.1016/j.biomaterials.2022.121604] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 02/08/2023]
Abstract
Tissue engineering strategies for treating bone loss to date have largely focused on targeting stem cells or vascularization. Immune cells, including macrophages and T cells, can also indirectly enhance bone healing via cytokine secretion to interact with other bone niche cells. Bone niche cues and local immune environment vary depending on anatomical location, size of defects and disease types. As such, it is critical to evaluate the role of the immune system in the context of specific bone niche and different disease types. This review focuses on immunomodulation research for bone applications using biomaterials and cell-based strategies, with a unique perspective from different disease types. We first reviewed applications for prolonging orthopaedic implant lifetime and enhancing fracture healing, two clinical challenges where immunomodulatory strategies were initially developed for orthopedic applications. We then reviewed recent research progress in harnessing immunomodulatory strategies for regenerating critical-sized, long bone or cranial bone defects, and treating osteolytic bone diseases. Remaining gaps in knowledge, future directions and opportunities were also discussed.
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Affiliation(s)
- Ni Su
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Cassandra Villicana
- Department of Bioengineering, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Fan Yang
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA, 94305, USA.,Department of Bioengineering, Stanford University School of Medicine, Stanford, CA, 94305, USA.,: Corresponding Author Fan Yang, Ph D, Department of Orthopaedic Surgery and Bioengineering, Stanford University School of Medicine, 240 Pasteur Dr, Palo Alto, CA 94304, Biomedical Innovation Building, 1st floor, Room 1200, , Phone: (650) 646-8558
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15
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Bousnaki M, Beketova A, Kontonasaki E. A Review of In Vivo and Clinical Studies Applying Scaffolds and Cell Sheet Technology for Periodontal Ligament Regeneration. Biomolecules 2022; 12:435. [PMID: 35327627 PMCID: PMC8945901 DOI: 10.3390/biom12030435] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 12/14/2022] Open
Abstract
Different approaches to develop engineered scaffolds for periodontal tissues regeneration have been proposed. In this review, innovations in stem cell technology and scaffolds engineering focused primarily on Periodontal Ligament (PDL) regeneration are discussed and analyzed based on results from pre-clinical in vivo studies and clinical trials. Most of those developments include the use of polymeric materials with different patterning and surface nanotopography and printing of complex and sophisticated multiphasic composite scaffolds with different compartments to accomodate for the different periodontal tissues' architecture. Despite the increased effort in producing these scaffolds and their undoubtable efficiency to guide and support tissue regeneration, appropriate source of cells is also needed to provide new tissue formation and various biological and mechanochemical cues from the Extraccellular Matrix (ECM) to provide biophysical stimuli for cell growth and differentiation. Cell sheet engineering is a novel promising technique that allows obtaining cells in a sheet format while preserving ECM components. The right combination of those factors has not been discovered yet and efforts are still needed to ameliorate regenerative outcomes towards the functional organisation of the developed tissues.
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Affiliation(s)
| | | | - Eleana Kontonasaki
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.B.); (A.B.)
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16
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Chen Y, Huang H, Li G, Yu J, Fang F, Qiu W. Dental-derived mesenchymal stem cell sheets: a prospective tissue engineering for regenerative medicine. Stem Cell Res Ther 2022; 13:38. [PMID: 35093155 PMCID: PMC8800229 DOI: 10.1186/s13287-022-02716-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/28/2021] [Indexed: 12/16/2022] Open
Abstract
Stem cells transplantation is the main method of tissue engineering regeneration treatment, the viability and therapeutic efficiency are limited. Scaffold materials also play an important role in tissue engineering, whereas there are still many limitations, such as rejection and toxic side effects caused by scaffold materials. Cell sheet engineering is a scaffold-free tissue technology, which avoids the side effects of traditional scaffolds and maximizes the function of stem cells. It is increasingly being used in the field of tissue regenerative medicine. Dental-derived mesenchymal stem cells (DMSCs) are multipotent cells that exist in various dental tissues and can be used in stem cell-based therapy, which is impactful in regenerative medicine. Emerging evidences show that cell sheets derived from DMSCs have better effects in the field of regenerative medicine applications. Extracellular matrix (ECM) is the main component of cell sheets, which is a dynamic repository of signalling biological molecules and has a variety of biological functions and may play an important role in the application of cell sheets. In this review, we summarized the application status, mechanisms that sheets and ECM may play and future prospect of DMSC sheets on regeneration medicine.
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Thomas B, Subba T, Varma S, Rao S, Kumar M, Talwar A, Shashidhar K. Comparison of cellular and differentiation characteristics of mesenchymal stem cells derived from human gingiva and periodontal ligament. J Int Soc Prev Community Dent 2022; 12:235-244. [PMID: 35462740 PMCID: PMC9022390 DOI: 10.4103/jispcd.jispcd_259_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 12/01/2021] [Accepted: 12/15/2021] [Indexed: 11/17/2022] Open
Abstract
Objectives: Dental tissues possess multipotent stem cells with varying biological properties. The present study was aimed to establish a primary culture of human gingiva-derived mesenchymal stem cells (GMSCs) and periodontal ligament-derived stem cells (PDLSCs) from periodontally healthy subjects and compare their biological characteristics. Materials and Methods: Gingival and periodontal ligament (PDL) tissues were collected from extracted premolar teeth of five healthy subjects and primary cultures were established. Basic biological characteristics, such as cell morphology, viability, proliferation capacity, and colony-forming units, and in vitro osteogenic and adipogenic differentiation potential were performed at passage 3 of GMSCs and PDLSCs. This was followed by immuno-phenotyping and flow cytometric analysis for identification of positive mesenchymal stem cell (MSC) markers, such as CD73, CD90, and CD105, and negative markers CD45 and CD34. Statistical Analysis Used: One-way analysis of variance (ANOVA). Results: Primary cultures of GMSCs and PDLSCs were successfully established. Cells exhibited a fibroblast-like morphology with a homogeneous population at passage 3. Cells derived from both tissues were highly viable (>95%), proliferative, and capable of forming colonies. Both cells did not exhibit any noticeable differences in cellular properties. Immunofluorescence and flow cytometric analyses showed positivity for MSC markers, CD73, CD90, and CD105, and negativity for CD34 and CD45. Furthermore, GMSCs and PDLSCs were capable of differentiating in vitro into osteocytes as evidenced by Alizarin red-S staining, and adipocytes as demonstrated by oil red O staining. Conclusions: The results of the present study indicate that both GMSCs and PDLSCs have similar cellular characteristics and mesenchymal differentiation potential. Therefore, they may serve as an equally potent source of stem cells for use in cell-based periodontal therapies.
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18
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Abstract
In this review, the authors consider the substantial advances that have been made in recent years in stem cell-based periodontal regeneration. These advances involve identifying dental- and nondental-derived stem cells with the capacity to modulate periodontal regeneration, human clinical trials, and emerging concepts, including cell banking, good manufacturing processes, and overall clinical translation.
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19
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Kanemoto Y, Miyaji H, Nishida E, Miyata S, Mayumi K, Yoshino Y, Kato A, Sugaya T, Akasaka T, Nathanael AJ, Santhakumar S, Oyane A. Periodontal tissue engineering using an apatite/collagen scaffold obtained by a plasma- and precursor-assisted biomimetic process. J Periodontal Res 2021; 57:205-218. [PMID: 34786723 DOI: 10.1111/jre.12954] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/13/2021] [Accepted: 10/30/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND OBJECTIVES In the treatment of severe periodontal destruction, there is a strong demand for advanced scaffolds that can regenerate periodontal tissues with adequate quality and quantity. Recently, we developed a plasma- and precursor-assisted biomimetic process by which a porous collagen scaffold (CS) could be coated with low-crystalline apatite. The apatite-coated collagen scaffold (Ap-CS) promotes cellular ingrowth within the scaffold compared to CS in rat subcutaneous tissue. In the present study, the osteogenic activity of Ap-CS was characterized by cell culture and rat skull augmentation tests. In addition, the periodontal tissue reconstruction with Ap-CS in a beagle dog was compared to that with CS. METHODS The plasma- and precursor-assisted biomimetic process was applied to CS to obtain Ap-CS with a low-crystalline apatite coating. The effects of apatite coating on the scaffold characteristics (i.e., surface morphology, water absorption, Ca release, protein adsorption, and enzymatic degradation resistance) were assessed. Cyto-compatibility and the osteogenic properties of Ap-CS and CS were assessed in vitro using preosteoblastic MC3T3-E1 cells. In addition, we performed in vivo studies to evaluate bone augmentation and periodontal tissue reconstruction with Ap-CS and CS in a rat skull and canine furcation lesion, respectively. RESULTS As previously reported, the plasma- and precursor-assisted biomimetic process generated a low-crystalline apatite layer with a nanoporous structure that uniformly covered the Ap-CS surface. Ap-CS showed significantly higher water absorption, Ca release, lysozyme adsorption, and collagenase resistance than CS. Cell culture experiments revealed that Ap-CS was superior to CS in promoting the osteoblastic differentiation of MC3T3-E1 cells while suppressing their proliferation. Additionally, Ap-CS significantly promoted (compared to CS) the augmentation of the rat skull bone and showed the potential to regenerate alveolar bone in a dog furcation defect. CONCLUSION Ap-CS fabricated by the plasma- and precursor-assisted biomimetic process provided superior promotion of osteogenic differentiation and bone neoformation compared to CS.
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Affiliation(s)
- Yukimi Kanemoto
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Hirofumi Miyaji
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Erika Nishida
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Saori Miyata
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Kayoko Mayumi
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yuto Yoshino
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Akihito Kato
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Tsutomu Sugaya
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Tsukasa Akasaka
- Department of Biomedical Materials and Engineering, Faculty of Dental Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Arputharaj Joseph Nathanael
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Syama Santhakumar
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Ayako Oyane
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
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El-Mouelhy ATM, Nasry SA, Abou El-Dahab O, Sabry D, Fawzy El-Sayed K. In vitro evaluation of the effect of the electronic cigarette aerosol, Cannabis smoke, and conventional cigarette smoke on the properties of gingival fibroblasts/gingival mesenchymal stem cells. J Periodontal Res 2021; 57:104-114. [PMID: 34748642 DOI: 10.1111/jre.12943] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/25/2021] [Accepted: 10/12/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The current study aimed to evaluate the effect of electronic cigarette (EC) aerosol, Cannabis, and conventional cigarettes smoke on gingival fibroblast/gingival mesenchymal stem cells' (GF/G-MSCs) of never smokers. MATERIAL AND METHODS Human GF/G-MSCs (n = 32) were isolated and characterized using light microscopy, flow cytometry, and multilineage differentiation ability. Following the application of aerosol/smoke extracts, GF/G-MSCs were evaluated for cellular proliferation; colony-forming units (CFU-F) ability; cellular viability (using the MTT assay); mitochondrial depolarization using JC-1 dye; and genes' expression of ATM, p21, Oct4, and Nanog. RESULTS Colony-forming units and viability (OD 450 nm) were significantly reduced upon exposure to Cannabis (mean ± SD; 5.5 ± 1.5; p < .00001, 0.47 ± 0.21; p < .05) and cigarettes smoke (2.3 ± 1.2 p < .00001, 0.59 ± 0.13, p < .05), while EC aerosol showed no significant reduction (10.8 ± 2.5; p = .05, 1.27 ± 0.47; p > .05) compared to the control group (14.3 ± 3, 1.33 ± 0.12). Significantly upregulated expression of ATM, Oct4, and Nanog (gene copies/GADPH) was noticed with Cannabis (1.5 ± 0.42, 0.82 ± 0.44, and 1.54 ± 0.52, respectively) and cigarettes smoke (1.52 ± 0.75, 0.7 ± 0.14, and 1.48 ± 0.79, respectively; p < .05), whereas EC aerosol caused no statistically significant upregulation of these genes compared to the control group (0.63 ± 0.1, 0.31 ± 0.12, and 0.64 ± 0.46, respectively; p > .05). The p21 gene was not significantly downregulated in EC aerosol (1.22 ± 0.46), Cannabis (0.71 ± 0.24), and cigarettes smokes (0.83 ± 0.54) compared to the control group (p = .053, analysis of variance). CONCLUSION Cannabis and cigarettes smoke induce DNA damage and cellular dedifferentiation and negatively affect the cellular proliferation and viability of GF/G-MSCs of never smokers, whereas EC aerosol showed a significantly lower impact on these properties.
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Affiliation(s)
- Abir Tarek Mansour El-Mouelhy
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Department of Surgery and Oral Medicine, National Research Centre, Cairo, Egypt
| | - Sherine Adel Nasry
- Department of Surgery and Oral Medicine, National Research Centre, Cairo, Egypt
| | - Omnia Abou El-Dahab
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Dina Sabry
- Department of Medical Biochemistry, Molecular Biology and Tissue Engineering Unit, Cairo University School of Medicine, Cairo, Egypt.,Medical Biochemistry and Molecular Biology, Faculty of Medicine, Badr University, Cairo, Egypt
| | - Karim Fawzy El-Sayed
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Stem Cell and Tissue Engineering Unit, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian-Albrecht's University, Kiel, Germany
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Wang L, Mi J, Sun B, Yang G, Liu S, Chen M, Yu L, Pan J, Liu Y. Role of transient receptor potential channel 6 in the osteogenesis of periodontal ligament cells. Int Immunopharmacol 2021; 100:108134. [PMID: 34547679 DOI: 10.1016/j.intimp.2021.108134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/28/2021] [Accepted: 09/02/2021] [Indexed: 11/19/2022]
Abstract
Transient receptor potential channel 6 (TRPC6) is a receptor-operated Ca2+ channel that plays an important role in Ca2+ influx in the majority of non-excitable cells and influences calcium signalling and cellular responses. Therefore, the purpose of the present study was to gain insight into the role of TRPC6 in the osteogenesis of periodontal ligament cells (PDLCs). By western blot and immunohistochemical staining, the protein level of TRPC6 was found to be increased in a time-dependent manner during osteoblastic differentiation of PDLCs. In addition, the TRPC6 inhibitor SKF96365 was used to block the function of TRPC6 and inhibit osteoblastic differentiation of PDLCs. The TRPC6 activator hyperforin dicyclohexylammonium salt (hyperforin DCHA) was used to activate TRPC6 and promote osteoblastic differentiation of PDLCs. In vivo, wild-type mice showed better bone regeneration than TRPC6-/- mice, suggesting that TRPC6 has notable osteogenic induction properties and is important for bone defect repair. In conclusion, the current data demonstrated that TRPC6 plays a significant role in osteoblastic differentiation of PDLCs, suggesting that it may be a promising therapeutic target in osteogenesis.
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Affiliation(s)
- Li Wang
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China; Dental Department, Shanghai 1st People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Jing Mi
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Bingjing Sun
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Gang Yang
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Shangfen Liu
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Meihua Chen
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China; Department of Periodontology, Shanghai Stomatological Hospital, Fudan University, Shanghai, China
| | - Liming Yu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Jie Pan
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China
| | - Yuehua Liu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, China; Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, China.
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22
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Kumar BM, Rao S, Talwar A, Shetty V. Minimal influence of chronic inflammation on the potency and differentiation characteristics of gingiva-derived mesenchymal stem cells-An in vitro study. J Indian Soc Periodontol 2021; 25:379-385. [PMID: 34667379 PMCID: PMC8452161 DOI: 10.4103/jisp.jisp_410_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 12/20/2020] [Accepted: 12/25/2020] [Indexed: 11/21/2022] Open
Abstract
Objective: Gingiva-derived mesenchymal stem cells (GMSCs) have been identified and characterized from healthy tissues. However, reports on the influence of chronic inflammation on their stemness characteristics are sparse. The present study evaluated the potency and differentiation ability of GMSCs from periodontally healthy GMSC (H-GMSC) and inflamed GMSC (I-GMSC) tissues. Materials and Methods: Established H-GMSCs and I-GMSCs were evaluated on their potency characteristics, such as morphology, viability, proliferation rate, population doubling time, colony-forming ability, expression of stemness markers, and mesenchymal differentiation potential. Results: H-GMSCs and I-GMSCs exhibited fibroblast-like morphology and showed >95% viability with high proliferation potential and shorter doubling time. H-GMSCs showed fewer and smaller colonies, whereas I-GMSCs exhibited multiple and larger colonies. The evaluation of stemness markers revealed that both H-GMSCs and I-GMSCs were weakly positive for stage-specific embryonic antigen-4, Stro1, and CD105 (Endoglin), strongly positive for CD73 and CD90, and negative for the hematopoietic cell markers, CD34 and CD45. H-GMSCs showed a slightly higher osteogenic potential when compared to I-GMSCs, while I-GMSCs had a higher adipogenic potential than H-GMSCs. Conclusion: The findings showed that the inflammatory environment might have a stimulatory effect on the growth kinetics and ability of colony formation in GMSCs. However, varied osteogenic and adipogenic differentiation was observed between H-GMSCs and I-GMSCs.
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Affiliation(s)
- Basavarajappa Mohana Kumar
- Nitte (Deemed to be University), K. S. Hegde Medical Academy, Nitte University Centre for Stem Cell Research and Regenerative Medicine, Mangalore, Karnataka, India
| | - Shama Rao
- Nitte (Deemed to be University), K. S. Hegde Medical Academy, Nitte University Centre for Stem Cell Research and Regenerative Medicine, Mangalore, Karnataka, India
| | - Avaneendra Talwar
- Nitte (Deemed to be University), A. B. Shetty Memorial Institute of Dental Sciences, Department of Periodontics, Mangalore, Karnataka, India
| | - Veena Shetty
- Nitte (Deemed to be University), K. S. Hegde Medical Academy, Nitte University Centre for Stem Cell Research and Regenerative Medicine, Mangalore, Karnataka, India
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Woo HN, Cho YJ, Tarafder S, Lee CH. The recent advances in scaffolds for integrated periodontal regeneration. Bioact Mater 2021; 6:3328-3342. [PMID: 33817414 PMCID: PMC7985477 DOI: 10.1016/j.bioactmat.2021.03.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 02/06/2023] Open
Abstract
The periodontium is an integrated, functional unit of multiple tissues surrounding and supporting the tooth, including but not limited to cementum (CM), periodontal ligament (PDL) and alveolar bone (AB). Periodontal tissues can be destructed by chronic periodontal disease, which can lead to tooth loss. In support of the treatment for periodontally diseased tooth, various biomaterials have been applied starting as a contact inhibition membrane in the guided tissue regeneration (GTR) that is the current gold standard in dental clinic. Recently, various biomaterials have been prepared in a form of tissue engineering scaffold to facilitate the regeneration of damaged periodontal tissues. From a physical substrate to support healing of a single type of periodontal tissue to multi-phase/bioactive scaffold system to guide an integrated regeneration of periodontium, technologies for scaffold fabrication have emerged in last years. This review covers the recent advancements in development of scaffolds designed for periodontal tissue regeneration and their efficacy tested in vitro and in vivo. Pros and Cons of different biomaterials and design parameters implemented for periodontal tissue regeneration are also discussed, including future perspectives.
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Affiliation(s)
| | | | - Solaiman Tarafder
- Center for Dental and Craniofacial Research, Columbia University Medical Center, 630 W. 168 St., VC12-212, New York, NY, 10032, USA
| | - Chang H. Lee
- Center for Dental and Craniofacial Research, Columbia University Medical Center, 630 W. 168 St., VC12-212, New York, NY, 10032, USA
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24
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Farimani Z, Shamshiri AR, Asl Roosta H, Akbari S, Bohlouli M. Regenerative benefits of using growth factors in treatment of periodontal defects: A systematic review and meta-analysis with Trial Sequential Analysis on preclinical studies. J Tissue Eng Regen Med 2021; 15:964-997. [PMID: 34480421 DOI: 10.1002/term.3241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/13/2021] [Accepted: 08/28/2021] [Indexed: 02/06/2023]
Abstract
The ultimate goal in periodontal treatments is to achieve a functional and anatomical regeneration of the lost tissues. Numerous studies have in some way illustrated the beneficial effects of biologic modifiers in this process, yet they are subject to a rather large degree of diversity in their results. Thanks to the promising outcomes of bioengineering techniques in the field of periodontal regeneration, this systematic review aims to evaluate the effect of various biologic modifiers used in periodontal defects of animal models. Electronic databases (Medline, Scopus, Embase, Web of Science, and Google Scholar) were searched (March 2010-December 2020) for every study that used biomolecules for regeneration of periodontal osseous defects in animal models. Regenerated bone height or area, new cementum, new connective tissues, new regenerated periodontal ligament and the dimensions of epithelial attachment (either in mm/mm2 or percentage) were the investigated outcomes. The risk of bias of the included studies was assessed using the SYRCLE tool. In closing, there was a meta-analysis carried out on the outcomes of interest. Trial Sequential Analysis was also carried out to figure out the power of meta-analytic outcomes. From 1995 studies which were found in the initial search, 34 studies were included in this review, and 20 of them were selected for the meta-analysis. The eligible studies were categorized according to the morphology of the experimental periodontal defects as one-, two-, and three-wall intrabony defects; furcation defects, and recession-type defects. The most studied biomolecules were rhFGF-2, rhGDF-5, platelet-derived growth factor, bone morphogenetic protein-2, and enamel matrix derivative (EMD). Based on the meta-analysis findings, combined application of biomolecules with regenerative treatments could improve new bone and cementum formation near 1 mm when compared to the control groups in one, two and three-wall intrabony defect models (p < 0.001). In furcation grade II defect, the addition of biomolecules was observed to enhance bone area gain and cementum height regeneration up to almost 2 mm (p < 0.001). Trial Sequential Analysis results confirmed the significant effect in the aforementioned meta-analyses. In cases of the buccal recession model, the application of rhFGF-2 and rhGDF-5 decreased the dimension of epithelial attachments besides regenerative advantages on bone and cementum formation, but EMD deposition exerted no inhibitory effect on epithelial down-growth. Application of biologic modifiers especially FGF-2 and GDF-5, could positively improve the regeneration of periodontal tissues, particularly cementum and bone in animal models. Trial Sequential Analysis confirmed the results but the power of the evidences was high just in some subgroup meta-analyses, like bone and cementum regeneration in furcation grade II model and cementum regeneration in one-wall intrabony defects. The outcomes of this study can potentially endow clinicians with guidelines for the appropriate application of growth factors in periodontal regenerative therapies.
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Affiliation(s)
- Zeinab Farimani
- Department of Periodontics, School of Dentistry, Alborz University of Medical Sciences, Karaj, Iran
| | - Ahmad Reza Shamshiri
- Department of Community Oral Health, School of Dentistry, Research Center for Caries Prevention, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hoori Asl Roosta
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Solmaz Akbari
- Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahboubeh Bohlouli
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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25
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El-Rashidy AA, El Moshy S, Radwan IA, Rady D, Abbass MMS, Dörfer CE, Fawzy El-Sayed KM. Effect of Polymeric Matrix Stiffness on Osteogenic Differentiation of Mesenchymal Stem/Progenitor Cells: Concise Review. Polymers (Basel) 2021; 13:2950. [PMID: 34502988 PMCID: PMC8434088 DOI: 10.3390/polym13172950] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 01/23/2023] Open
Abstract
Mesenchymal stem/progenitor cells (MSCs) have a multi-differentiation potential into specialized cell types, with remarkable regenerative and therapeutic results. Several factors could trigger the differentiation of MSCs into specific lineages, among them the biophysical and chemical characteristics of the extracellular matrix (ECM), including its stiffness, composition, topography, and mechanical properties. MSCs can sense and assess the stiffness of extracellular substrates through the process of mechanotransduction. Through this process, the extracellular matrix can govern and direct MSCs' lineage commitment through complex intracellular pathways. Hence, various biomimetic natural and synthetic polymeric matrices of tunable stiffness were developed and further investigated to mimic the MSCs' native tissues. Customizing scaffold materials to mimic cells' natural environment is of utmost importance during the process of tissue engineering. This review aims to highlight the regulatory role of matrix stiffness in directing the osteogenic differentiation of MSCs, addressing how MSCs sense and respond to their ECM, in addition to listing different polymeric biomaterials and methods used to alter their stiffness to dictate MSCs' differentiation towards the osteogenic lineage.
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Affiliation(s)
- Aiah A. El-Rashidy
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt;
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
| | - Sara El Moshy
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Israa Ahmed Radwan
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Dina Rady
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Marwa M. S. Abbass
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
| | - Karim M. Fawzy El-Sayed
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (S.E.M.); (I.A.R.); (D.R.); (M.M.S.A.)
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
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26
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Mangione F, Salmon B, EzEldeen M, Jacobs R, Chaussain C, Vital S. Characteristics of Large Animal Models for Current Cell-Based Oral Tissue Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:489-505. [PMID: 33882717 DOI: 10.1089/ten.teb.2020.0384] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The recent advances in the field of cell-based therapeutics open promising perspectives for oral tissue regeneration. The development of large animal models, which overcome the limits of the rodent models and allow to emulate clinical situations, is crucial for the validation of regenerative strategies to move toward clinical application. Currently, porcine, canine, and ovine models are mainly developed for oral regeneration and their specific characteristics have an impact on the outcomes of the studies. Thus, this systematic review investigates the application of porcine, canine, and ovine models in present cell-based oral regeneration, according to the species characteristics and the targeted tissue to regenerate. A customized search of PubMed, EMBASE, Scopus, and Web of Science databases from January 2015 to March 2020 was conducted. Relevant articles about cell-based oral tissues engineering in porcine, canine, and ovine models were evaluated. Among the evaluated articles, 58 relevant studies about cell-based oral regeneration in porcine, canine, and ovine models matched the eligibility criteria and were selected for full analysis. Porcine models, the most similar species with humans, were mostly used for bone and periodontium regeneration; tooth regeneration was reported only in pig, except for one study in dog. Canine models were the most transversal models, successfully involved for all oral tissue regeneration and notably in implantology. However, differences with humans and ethical concerns affect the use of these models. Ovine models, alternative to porcine and canine ones, were mainly used for bone and, scarcely, periodontium regeneration. The anatomy and physiology of these animals restrain their involvement. If consistency was found in defect specificities and cell trends among different species animal models of bone, dentin-pulp complex, or tooth regeneration, variability appeared in periodontium. Regeneration assessment methods were more elaborate in porcines and canines than in ovines. Risk of bias was low for selection, attrition and reporting, but unclear for performance and detection. Overall, if none of the large animal models can be considered an ideal one, they are of deemed importance for oral cell-based tissue engineering and researchers should consider their relevance to establish favorable conditions for a given preclinical cell-based therapeutics.
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Affiliation(s)
- Francesca Mangione
- URP 2496 Laboratory Orofacial Pathologies, Imaging and Biotherapies, Life Imaging Platform (PIV), UFR Odontology, Université de Paris, Montrouge, France.,Henri Mondor Hospital, AP-HP, Créteil, France
| | - Benjamin Salmon
- URP 2496 Laboratory Orofacial Pathologies, Imaging and Biotherapies, Life Imaging Platform (PIV), UFR Odontology, Université de Paris, Montrouge, France.,Bretonneau Hospital, AP-HP, Paris, France.,Reference Center for Rare Disorders of the Calcium and Phosphate Metabolism, Filière OSCAR, AP-HP, Paris, France
| | - Mostafa EzEldeen
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven, Leuven, Belgium.,Maxillofacial Surgery Department, University Hospitals Leuven, Leuven, Belgium.,Department of Oral Health Sciences, KU Leuven and Paediatric Dentistry and Special Dental Care, University Hospitals Leuven, Leuven, Belgium
| | - Reinhilde Jacobs
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven, Leuven, Belgium.,Maxillofacial Surgery Department, University Hospitals Leuven, Leuven, Belgium.,Department of Dental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Catherine Chaussain
- URP 2496 Laboratory Orofacial Pathologies, Imaging and Biotherapies, Life Imaging Platform (PIV), UFR Odontology, Université de Paris, Montrouge, France.,Bretonneau Hospital, AP-HP, Paris, France.,Reference Center for Rare Disorders of the Calcium and Phosphate Metabolism, Filière OSCAR, AP-HP, Paris, France
| | - Sibylle Vital
- URP 2496 Laboratory Orofacial Pathologies, Imaging and Biotherapies, Life Imaging Platform (PIV), UFR Odontology, Université de Paris, Montrouge, France.,AP-HP, Hôpital Louis Mourier, DMU ESPRIT, Colombes, France
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27
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Šimoliūnas E, Ivanauskienė I, Bagdzevičiūtė L, Rinkūnaitė I, Alksnė M, Baltriukienė D. Surface stiffness depended gingival mesenchymal stem cell sensitivity to oxidative stress. Free Radic Biol Med 2021; 169:62-73. [PMID: 33862162 DOI: 10.1016/j.freeradbiomed.2021.04.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 12/16/2022]
Abstract
Mesenchymal stem cells (MSCs) are widely used in the fields of cell therapy and tissue engineering, due to their wide spectrum of differentiation potential, immunomodulation function and ongoing oxidative stress (OS) reduction. Nevertheless, OS impact is often overlooked in these research fields. It is not only responsible for the induction and development of many ailments, e.g., diabetes, lung fibrosis, and cancer, moreover, OS causes stem cell death and senescence during cell therapy and tissue engineering practices. As MSCs are used to treat various tissues, they interact with different tissue-specific mechanical environments, thus it is important to understand how the mechanical environment impacts MSC sensitivity to OS. In this work, for the first time, as known to the authors, it was shown that gingival MSCs (GMSCs) sensitivity to OS depends on the stiffness of the surface, on which the cells are grown. Furthermore, the activity and expression of mitogen activated protein kinases ERK, JNK, and p38 were surface stiffness dependent. GMSCs isolated from intermediate/stiff gingiva tissue (~20 kPa) have shown the best proliferative and survival properties, then grown on the stiffest tissues mimicking polyacrylamide hydrogels (40 kPa). Therefore, MSC source might determine their sensitivity to OS in different stiffness environments and should be accounted when developing a treatment strategy.
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Affiliation(s)
- Egidijus Šimoliūnas
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania.
| | - Indrė Ivanauskienė
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Lina Bagdzevičiūtė
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Ieva Rinkūnaitė
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Milda Alksnė
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Daiva Baltriukienė
- Department of Biological Models, Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
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28
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Kim D, Lee AE, Xu Q, Zhang Q, Le AD. Gingiva-Derived Mesenchymal Stem Cells: Potential Application in Tissue Engineering and Regenerative Medicine - A Comprehensive Review. Front Immunol 2021; 12:667221. [PMID: 33936109 PMCID: PMC8085523 DOI: 10.3389/fimmu.2021.667221] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/30/2021] [Indexed: 12/15/2022] Open
Abstract
A unique subpopulation of mesenchymal stem cells (MSCs) has been isolated and characterized from human gingival tissues (GMSCs). Similar to MSCs derived from other sources of tissues, e.g. bone marrow, adipose or umbilical cord, GMSCs also possess multipotent differentiation capacities and potent immunomodulatory effects on both innate and adaptive immune cells through the secretion of various types of bioactive factors with immunosuppressive and anti-inflammatory functions. Uniquely, GMSCs are highly proliferative and have the propensity to differentiate into neural cell lineages due to the neural crest-origin. These properties have endowed GMSCs with potent regenerative and therapeutic potentials in various preclinical models of human disorders, particularly, some inflammatory and autoimmune diseases, skin diseases, oral and maxillofacial disorders, and peripheral nerve injuries. All types of cells release extracellular vesicles (EVs), including exosomes, that play critical roles in cell-cell communication through their cargos containing a variety of bioactive molecules, such as proteins, nucleic acids, and lipids. Like EVs released by other sources of MSCs, GMSC-derived EVs have been shown to possess similar biological functions and therapeutic effects on several preclinical diseases models as GMSCs, thus representing a promising cell-free platform for regenerative therapy. Taken together, due to the easily accessibility and less morbidity of harvesting gingival tissues as well as the potent immunomodulatory and anti-inflammatory functions, GMSCs represent a unique source of MSCs of a neural crest-origin for potential application in tissue engineering and regenerative therapy.
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Affiliation(s)
- Dane Kim
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Alisa E Lee
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Qilin Xu
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Qunzhou Zhang
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Anh D Le
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States.,Center of Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, United States.,Department of Oral & Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, United States
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29
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IL-1 Receptor Antagonist Protects the Osteogenesis Capability of Gingival-Derived Stem/Progenitor Cells under Inflammatory Microenvironment Induced by Porphyromonas gingivalis Lipopolysaccharides. Stem Cells Int 2021; 2021:6638575. [PMID: 33531908 PMCID: PMC7834827 DOI: 10.1155/2021/6638575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/20/2020] [Accepted: 01/05/2021] [Indexed: 12/28/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have been considered to be a future treatment option for periodontitis due to their excellent regenerative capability. However, it is still a challenge to protect MSCs' biological properties from multiple bacterial toxins in local inflammatory environment. The present study is aimed at investigating the treatment effect of interleukin-1 receptor antagonist (IL-1ra) on cell proliferation, migration, and osteogenic differentiation of gingival-derived mesenchymal stem cells (GMSCs) under an inflammatory microenvironment induced by Porphyromonas gingivalis lipopolysaccharides (P. gingivalis-LPS). GMSCs derived from Sprague-Dawley (SD) rats' free gingival tissues were treated with P. gingivalis-LPS (10 μg/mL) to create in vitro inflammatory environment. Different concentrations of IL-1ra (0.01-1 μg/mL) were used to antagonize the negative effect of LPS. Cell behaviors including proliferation, cloning formation unit (CFU), cell migration, osteogenic differentiation, mineral deposition, and cytokine production were assessed to investigate the protection effect of IL-1ra on GMSCs under inflammation. The toll-like receptor 4 (TLR4)/nuclear factor kappa B (NF-κB) pathway activated by LPS was evaluated by real-time quantitative polymerase chain reaction (RT-PCR) and western blot. In response to P. gingivalis-LPS treatment, cell numbers, cloning formation rate, cell migration rate, proinflammatory cytokine production, and osteogenic differentiation-associated protein/mRNA expressions as well as mineralized nodules were suppressed in a time-dependent manner. These negative effects were effectively attenuated by IL-1ra administration in a time- and dose-dependent manner. In addition, mRNA expressions of TLR4 and IkBα decreased dramatically when IL-1ra was added into LPS-induced medium. IL-1ra also reversed the LPS-induced TLR4/NF-κB activation as indicated by western blot. The present study revealed that IL-1ra decreased inflammatory cytokine production in a supernatant, so as to protect GMSCs' osteogenesis capacity and other biological properties under P. gingivalis-LPS-induced inflammatory environment. This might be explained by IL-1ra downregulating TLR4-mediated NF-κB signaling pathway activation.
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30
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Zeng WY, Ning Y, Huang X. Advanced technologies in periodontal tissue regeneration based on stem cells: Current status and future perspectives. J Dent Sci 2021; 16:501-507. [PMID: 33384839 PMCID: PMC7770316 DOI: 10.1016/j.jds.2020.07.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/18/2020] [Indexed: 12/13/2022] Open
Abstract
Periodontitis is a progressive inflammation disease, the clinical management of which remains a challenge. The traditional management may control periodontal inflammation, but failed to regenerate functional periodontium. This review summarizes the most advancing regenerative techniques regarding stem cell culture and scaffold fabrication, such as cell sheeting, spheroid culture, electrospinning and 3D printing. The applications of different techniques manifest tremendous potential of regenerating the complete and functional periodontium. Albeit promising, new technologies have met with their own drawbacks such as insufficient vascularization and precision, which necessitate deeper modification. Thus, this review also points out the potential perspectives and methods aiming at their disadvantages, illuminating the directions of future researches to successful clinical scenarios.
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Affiliation(s)
- Wen-Yi Zeng
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Yang Ning
- Department of Periodontology, Guanghua School and Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Xin Huang
- Department of Periodontology, Guanghua School and Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, China
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31
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Gao X, Cao Z. Gingiva-derived Mesenchymal Stem Cells and Their Potential Applications in Oral and Maxillofacial Diseases. Curr Stem Cell Res Ther 2020; 15:43-53. [PMID: 31702517 DOI: 10.2174/1574888x14666191107100311] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/02/2019] [Accepted: 09/12/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Stem cells are undifferentiated cells with multilineage differentiation potential. They can be collected from bone marrow, fat, amniotic fluid, and teeth. Stem cell-based therapies have been widely used to treat multiple diseases, such as cardiac disease, and hematological disorders. The cells may also be beneficial for controlling the disease course and promoting tissue regeneration in oral and maxillofacial diseases. Oral-derived gingival mesenchymal stem cells are easy to access and the donor sites heal rapidly without a scar. Such characteristics demonstrate the beneficial role of GMSCs in oral and maxillofacial diseases. OBJECTIVE We summarize the features of GMSCs, including their self-renewal, multipotent differentiation, immunomodulation, and anti-inflammation properties. We also discuss their applications in oral and maxillofacial disease treatment and tissue regeneration. CONCLUSION GMSCs are easily harvestable adult stem cells with outstanding proliferation, differentiation, and immunomodulation characteristics. A growing body of evidence indicates that GMSCs have strong potential use in accelerating wound healing and promoting the regeneration of bone defects, periodontium, oral neoplasms, salivary glands, peri-implantitis, and nerves. Moreover, alginate, polylactic acid and polycaprolactone can be used as biodegradable scaffolds for GMSC encapsulation. Various growth factors can be applied to the corresponding scaffolds to obtain the desired GMSC differentiation and phenotypes. Three-dimensional spheroid culture systems could optimize GMSC properties and improve the performance of the cells in tissue engineering. The immunomodulatory property of GMSCs in controlling oral and maxillofacial inflammation needs further research.
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Affiliation(s)
- Xudong Gao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education (KLOBME), School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhengguo Cao
- Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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32
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Li Q, Yang G, Li J, Ding M, Zhou N, Dong H, Mou Y. Stem cell therapies for periodontal tissue regeneration: a network meta-analysis of preclinical studies. Stem Cell Res Ther 2020; 11:427. [PMID: 33008471 PMCID: PMC7531120 DOI: 10.1186/s13287-020-01938-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 09/16/2020] [Indexed: 12/18/2022] Open
Abstract
Background Periodontal tissue regeneration (PTR) is the ultimate goal of periodontal therapy. Currently, stem cell therapy is considered a promising strategy for achieving PTR. However, there is still no conclusive comparison that distinguishes clear hierarchies among different kinds of stem cells. Methods A systematic review and network meta-analysis (NMA) was performed using MEDLINE (via PubMed), EMBASE, and Web of Science up to February 2020. Preclinical studies assessing five types of stem cells for PTR were included; the five types of stem cells included periodontal ligament-derived stem cells (PDLSCs), bone marrow-derived stem cells (BMSCs), adipose tissue-derived stem cells (ADSCs), dental pulp-derived stem cells (DPSCs), and gingival-derived stem cells (GMSCs). The primary outcomes were three histological indicators with continuous variables: newly formed alveolar bone (NB), newly formed cementum (NC), and newly formed periodontal ligament (NPDL). We performed pairwise meta-analyses using a random-effects model and then performed a random-effects NMA using a multivariate meta-analysis model. Results Sixty preclinical studies assessing five different stem cell-based therapies were identified. The NMA showed that in terms of NB, PDLSCs (standardized mean difference 1.87, 95% credible interval 1.24 to 2.51), BMSCs (1.88, 1.17 to 2.59), and DPSCs (1.69, 0.64 to 2.75) were statistically more efficacious than cell carriers (CCs). In addition, PDLSCs were superior to GMSCs (1.49, 0.04 to 2.94). For NC, PDLSCs (2.18, 1.48 to 2.87), BMSCs (2.11, 1.28 to 2.94), and ADSCs (1.55, 0.18 to 2.91) were superior to CCs. For NPDL, PDLSCs (1.69, 0.92 to 2.47) and BMSCs (1.41, 0.56 to 2.26) were more efficacious than CCs, and PDLSCs (1.26, 0.11 to 2.42) were superior to GMSCs. The results of treatment hierarchies also demonstrated that the two highest-ranked interventions were PDLSCs and BMSCs. Conclusion PDLSCs and BMSCs were the most effective and well-documented stem cells for PTR among the five kinds of stem cells evaluated in this study, and there was no statistical significance between them. To translate the stem cell therapies for PTR successfully in the clinic, future studies should utilize robust experimental designs and reports.
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Affiliation(s)
- Qiang Li
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.,Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Guangwen Yang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.,Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jialing Li
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.,Department of Orthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Meng Ding
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Na Zhou
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Heng Dong
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China. .,Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Yongbin Mou
- Department of Oral Implantology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China.
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Ascorbic Acid, Inflammatory Cytokines (IL-1 β/TNF- α/IFN- γ), or Their Combination's Effect on Stemness, Proliferation, and Differentiation of Gingival Mesenchymal Stem/Progenitor Cells. Stem Cells Int 2020; 2020:8897138. [PMID: 32879629 PMCID: PMC7448213 DOI: 10.1155/2020/8897138] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/16/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Objective Ascorbic acid (AA) and controlled inflammatory stimuli are postulated to possess the ability to independently exert positive effects on a variety of proliferative, pluripotency, and differentiation attributes of gingival mesenchymal stem/progenitor cells (G-MSCs). The current study's objective was to explore and compare for the first time the impact of the major inflammatory cytokines (IL-1β/TNF-α/IFN-γ), AA, or their combination on multipotency/pluripotency, proliferative, and differentiation characteristics of G-MSCs. Design Human G-MSCs (n = 5) were isolated and cultured in basic medium (control group), in basic medium with major inflammatory cytokines; 1 ng/ml IL-1β, 10 ng/ml TNF-α, and 100 ng/ml IFN-γ (inflammatory group), in basic medium with 250 μmol/l AA (AA group) and in inflammatory medium supplemented by AA (inflammatory/AA group). All media were renewed three times per week. In stimulated G-MSCs intracellular β-catenin at 1 hour, pluripotency gene expression at 1, 3, and 5 days, as well as colony-forming units (CFUs) ability and cellular proliferation over 14 days were examined. Following a five-days stimulation in the designated groups, multilineage differentiation was assessed via qualitative and quantitative histochemistry as well as mRNA expression. Results β-Catenin significantly decreased intracellularly in all experimental groups (p = 0.002, Friedman). AA group exhibited significantly higher cellular counts on days 3, 6, 7, and 13 (p < 0.05) and the highest CFUs at 14 days [median-CFUs (Q25/Q75); 40 (15/50), p = 0.043]. Significantly higher Nanog expression was noted in AA group [median gene-copies/PGK1 (Q25/Q75); 0.0006 (0.0002/0.0007), p < 0.01, Wilcoxon-signed-rank]. Significant multilineage differentiation abilities, especially into osteogenic and chondrogenic directions, were further evident in the AA group. Conclusions AA stimulation enhances G-MSCs' stemness, proliferation, and differentiation properties, effects which are associated with a Wnt/β-catenin signaling pathway activation. Apart from initially boosting cellular metabolism as well as Sox2 and Oct4A pluripotency marker expression, inflammation appeared to attenuate these AA-induced positive effects. Current results reveal that for AA to exert its beneficial effects on G-MSCs' cellular attributes, it requires to act in an inflammation-free microenvironment.
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Mesenchymal Stem/Progenitor Cells: The Prospect of Human Clinical Translation. Stem Cells Int 2020; 2020:8837654. [PMID: 33953753 PMCID: PMC8063852 DOI: 10.1155/2020/8837654] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/19/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem/progenitor cells (MSCs) are key players in regenerative medicine, relying principally on their differentiation/regeneration potential, immunomodulatory properties, paracrine effects, and potent homing ability with minimal if any ethical concerns. Even though multiple preclinical and clinical studies have demonstrated remarkable properties for MSCs, the clinical applicability of MSC-based therapies is still questionable. Several challenges exist that critically hinder a successful clinical translation of MSC-based therapies, including but not limited to heterogeneity of their populations, variability in their quality and quantity, donor-related factors, discrepancies in protocols for isolation, in vitro expansion and premodification, and variability in methods of cell delivery, dosing, and cell homing. Alterations of MSC viability, proliferation, properties, and/or function are also affected by various drugs and chemicals. Moreover, significant safety concerns exist due to possible teratogenic/neoplastic potential and transmission of infectious diseases. Through the current review, we aim to highlight the major challenges facing MSCs' human clinical translation and shed light on the undergoing strategies to overcome them.
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Papathanasiou E, Conti P, Carinci F, Lauritano D, Theoharides TC. IL-1 Superfamily Members and Periodontal Diseases. J Dent Res 2020; 99:1425-1434. [PMID: 32758110 DOI: 10.1177/0022034520945209] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Periodontitis is a complex, multifactorial chronic disease involving continuous interactions among bacteria, host immune/inflammatory responses, and modifying genetic and environmental factors. More than any other cytokine family, the interleukin (IL)-1 family includes key signaling molecules that trigger and perpetuate periodontal inflammation. Over the years, the IL-1 family expanded to include 11 members of cytokines, some with agonist activity (IL-1α, IL-1β, IL-18, IL-33, IL-36α, IL-36β, and IL-36γ), receptor antagonists (IL-1Ra, IL-36Ra), and 2 anti-inflammatory cytokines (IL-37, IL-38). The IL-1 receptor antagonist (IL-1Ra) has emerged as a pivotal player in the defense against periodontitis. IL-33 primarily induces the production of Th2-associated cytokines but acts as an "alarmin" via stimulation of mast cells. The IL-36 subclass of cytokines may be important in regulating mucosal inflammation and homeostasis. IL-37 suppresses innate and acquired immune responses. IL-38 is the most recent member of the IL-1 superfamily and has anti-inflammatory properties similar to those of IL-37 but through different receptors. However, limited evidence exists regarding the role of IL-37 and IL-38 in periodontitis. Despite the development of IL-1 blocking agents, therapeutic blockade of select IL-1 family members for periodontitis has only been partially investigated in preclinical and clinical research, while the development of IL-37 and IL-38 as novel anti-inflammatory drugs has not been considered adequately. Here, we review the key properties of the IL-1 family members and provide insights into targeting or promoting select cytokines as new therapeutic agents.
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Affiliation(s)
- E Papathanasiou
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA, USA.,Center for Clinical and Translational Research, Forsyth Institute, Cambridge, MA, USA
| | - P Conti
- Immunology Division, Postgraduate Medical School, University of Chieti, Pescara, Italy
| | - F Carinci
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - D Lauritano
- Department of Medicine and Surgery, Centre of Neuroscience of Milan, University of Milano-Bicocca, Milan, Italy
| | - T C Theoharides
- Department of Immunology, Tufts University School of Medicine, Boston, MA, USA.,School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA.,Department of Internal Medicine, Tufts University School of Medicine and Tufts Medical Center, Boston, MA, USA
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36
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Mekhemar M, Tölle J, Dörfer C, Fawzy El‐Sayed K. TLR3 ligation affects differentiation and stemness properties of gingival mesenchymal stem/progenitor cells. J Clin Periodontol 2020; 47:991-1005. [DOI: 10.1111/jcpe.13323] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 05/07/2020] [Accepted: 05/21/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Mohamed Mekhemar
- Clinic for Conservative Dentistry and Periodontology School of Dental Medicine Christian‐Albrecht’s University Kiel Germany
- Universitätsklinikum SchleswigȐHolstein Ȑ Campus, Kiel
| | - Johannes Tölle
- Clinic for Conservative Dentistry and Periodontology School of Dental Medicine Christian‐Albrecht’s University Kiel Germany
| | - Christof Dörfer
- Clinic for Conservative Dentistry and Periodontology School of Dental Medicine Christian‐Albrecht’s University Kiel Germany
| | - Karim Fawzy El‐Sayed
- Clinic for Conservative Dentistry and Periodontology School of Dental Medicine Christian‐Albrecht’s University Kiel Germany
- Oral Medicine and Periodontology Department Faculty of Oral and Dental Medicine Cairo University Cairo Egypt
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Furihata T, Miyaji H, Nishida E, Kato A, Miyata S, Shitomi K, Mayumi K, Kanemoto Y, Sugaya T, Akasaka T. Bone forming ability of recombinant human collagen peptide granules applied with β-tricalcium phosphate fine particles. J Biomed Mater Res B Appl Biomater 2020; 108:3033-3044. [PMID: 32386261 DOI: 10.1002/jbm.b.34632] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 04/15/2020] [Accepted: 04/18/2020] [Indexed: 12/22/2022]
Abstract
Recombinant human collagen peptide, developed based on human collagen type I, contains an arginyl-glycyl-aspartic acid (RGD)-rich motif to enhance cell behavior and is anticipated as a xeno-free polymer material for use in tissue engineering. We fabricated granules containing recombinant human collagen peptide (RCP) applied with beta-tricalcium phosphate fine particles (RCP/β-TCP) as bone filling scaffold material and assessed the bone forming ability of RCP/β-TCP. Recombinant peptide was thermal crosslinked and freeze-dried to prepare RCP. An aqueous dispersion of β-TCP fine particles was added to RCP to obtain RCP/β-TCP. Subsequently, RCP/β-TCP were characterized using scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDX), and cell culture assessments. Furthermore, RCP/β-TCP were implanted into rat cranial bone defects for radiographic and histological evaluations. In SEM and EDX analyses of RCP/β-TCP, β-TCP particles dose-dependently covered the surface of RCP. Cell culture tests showed that RCP/β-TCP remarkably promoted proliferation and mRNA expression of various genes, such as integrin β1 and osteogenic markers, of osteoblastic MC3T3-E1 cells. Histomorphometric assessment at 4 weeks showed that RCP/β-TCP significantly promoted new skull bone formation compared to RCP (p < 0.05) and control (no application) (p < 0.01). Accordingly, these findings suggest RCP/β-TCP possess bone forming capability and would be beneficial for bone tissue engineering therapy.
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Affiliation(s)
- Tomokazu Furihata
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Hirofumi Miyaji
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Erika Nishida
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Akihito Kato
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Saori Miyata
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Kanako Shitomi
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Kayoko Mayumi
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Yukimi Kanemoto
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Tsutomu Sugaya
- Department of Periodontology and Endodontology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Tsukasa Akasaka
- Department of Biomedical Materials and Engineering, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan
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Effect of Inflammation on Gingival Mesenchymal Stem/Progenitor Cells' Proliferation and Migration through Microperforated Membranes: An In Vitro Study. Stem Cells Int 2020; 2020:5373418. [PMID: 32148522 PMCID: PMC7054781 DOI: 10.1155/2020/5373418] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/18/2019] [Accepted: 11/25/2019] [Indexed: 12/12/2022] Open
Abstract
Background In the field of periodontal guided tissue regeneration, microperforated membranes have recently proved to be very promising periodontal regenerative tissue engineering tools. Regenerative periodontal approaches, employing gingival mesenchymal stem/progenitor cells in combination with these novel membranes, would occur mostly in inflamed microenvironmental conditions intraorally. This in turn entails the investigation into how inflammation would affect the proliferation as well as the migration dynamics of gingival mesenchymal stem/progenitor cells. Materials and Methods. Clones of human gingival mesenchymal stem/progenitor cells (GMSCs) from inflamed gingival tissues were characterized for stem/progenitor cells' characteristics and compared to clones of healthy human GMSCs (n = 3), to be subsequently seeded on perforated collagen-coated poly-tetra-floro-ethylene (PTFE) membranes with a pore size 0.4 and 3 microns and polycarbonic acid membranes of 8 microns pore size in Transwell systems. The population doubling time and the MTT test of both populations were determined. Fetal bovine serum (FBS) was used as a chemoattractant in the culturing systems, and both groups were compared to their negative controls without FBS. Following 24 hours of incubation period, migrating cells were determined on the undersurface of microperforated membranes and the membrane-seeded cells were examined by scanning electron microscopy. Results GMSCs demonstrated all predefined stem/progenitor cell characteristics. GMSCs from inflamed gingival tissues showed significantly shorter population doubling times. GMSCs of inflamed and healthy tissues did not show significant differences in their migration abilities towards the chemoattractant, with no cellular migration observed in the absence of FBS. GMSCs from healthy gingival tissue migrated significantly better through larger micropores (8 microns). Scanning electron microscopic images proved the migratory activity of the cells through the membrane pores. Conclusions Inflammation appears to boost the proliferative abilities of GMSCs. In terms of migration through membrane pores, GMSCs from healthy as well as inflamed gingival tissues do not demonstrate a difference in their migration abilities through smaller pore sizes, whereas GMSCs from healthy gingival tissues appear to migrate significantly better through larger micropores.
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El Moshy S, Radwan IA, Rady D, Abbass MMS, El-Rashidy AA, Sadek KM, Dörfer CE, Fawzy El-Sayed KM. Dental Stem Cell-Derived Secretome/Conditioned Medium: The Future for Regenerative Therapeutic Applications. Stem Cells Int 2020; 2020:7593402. [PMID: 32089709 PMCID: PMC7013327 DOI: 10.1155/2020/7593402] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 12/23/2019] [Accepted: 01/10/2020] [Indexed: 12/13/2022] Open
Abstract
Regenerative medicine literature has proposed mesenchymal stem/progenitor cell- (MSC-) mediated therapeutic approaches for their great potential in managing various diseases and tissue defects. Dental MSCs represent promising alternatives to nondental MSCs, owing to their ease of harvesting with minimally invasive procedures. Their mechanism of action has been attributed to their cell-to-cell contacts as well as to the paracrine effect of their secreted factors, namely, secretome. In this context, dental MSC-derived secretome/conditioned medium could represent a unique cell-free regenerative and therapeutic approach, with fascinating advantages over parent cells. This article reviews the application of different populations of dental MSC secretome/conditioned medium in in vitro and in vivo animal models, highlights their significant implementation in treating different tissue' diseases, and clarifies the significant bioactive molecules involved in their regenerative potential. The analysis of these recent studies clearly indicate that dental MSCs' secretome/conditioned medium could be effective in treating neural injuries, for dental tissue regeneration, in repairing bone defects, and in managing cardiovascular diseases, diabetes mellitus, hepatic regeneration, and skin injuries, through regulating anti-inflammatory, antiapoptotic, angiogenic, osteogenic, and neurogenic mediators.
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Affiliation(s)
- Sara El Moshy
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Israa Ahmed Radwan
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Dina Rady
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Marwa M. S. Abbass
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Aiah A. El-Rashidy
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Khadiga M. Sadek
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
| | - Karim M. Fawzy El-Sayed
- Stem cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt
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40
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Pan J, Deng J, Yu L, Wang Y, Zhang W, Han X, Camargo PHC, Wang J, Liu Y. Investigating the repair of alveolar bone defects by gelatin methacrylate hydrogels-encapsulated human periodontal ligament stem cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 31:3. [PMID: 31811403 DOI: 10.1007/s10856-019-6333-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 11/16/2019] [Indexed: 06/10/2023]
Abstract
Although various efforts have been made to develop effective treatments for alveolar bone defect, alveolar regeneration has been emerging as the one with the most potential Herein, we investigated the potential of gelatin methacrylate (GelMA) hydrogels-encapsulated human periodontal ligament stem cells (hPDLSCs) to regenerate alveolar bone. The easy, rapid, and cost-effective nature of GelMA hydrogels makes them a promising mode of stem cell-delivery for clinically relevant alveolar bone regeneration. More importantly, GelMA hydrogels provide an optimal niche for hPDLSCs proliferation, migration and osteogenic differentiation, which are critical for alveolar bone regeneration. In this study, we examined the microstructure of GelMA hydrogels, and identified a highly porous and interconnected network. Compressive test of GelMA hydrogels showed that the stress reached a maximum value of 13.67 ± 0.03 kPa when the strain reached 55%. The maximum values of swelling ratio were 700 ± 47% at the fifth hour. The proliferation rate of hPDLSCs in the GelMA hydrogels resembled that in 2D culture and gradually increased. We established a critical-sized rat model of alveolar bone defects, and applied Micro-CT to assess new bone formation. Compared to the control group, there was substantial bone regeneration in the GelMA + hPDLSCs group at both 4 and 8 weeks after the operation. Histological analysis results were consistent with Micro-CT results. Our study demonstrates that the GelMA hydrogels-encapsulated hPDLSCs have a significant alveolar regenerative potential, and may represent a new strategy for the therapy of alveolar bone defects.
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Affiliation(s)
- Jie Pan
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Jiajia Deng
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Liming Yu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Yuhui Wang
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Weihua Zhang
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Xinxin Han
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China
| | - Pedro H C Camargo
- Department of Chemistry, University of Helsinki, A.I. Virtasen aukio 1, FI, 00014, Helsinki, Finland
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, São Paulo, SP, 05508-000, Brazil
| | - Jiale Wang
- College of Science, Donghua University, Shanghai, 201620, China.
- Shanghai Institute of Intelligent Electronics and Systems, Donghua University, Shanghai, 201620, China.
| | - Yuehua Liu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China.
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, 200001, PR China.
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41
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Pan J, Deng J, Luo Y, Yu L, Zhang W, Han X, You Z, Liu Y. Thermosensitive Hydrogel Delivery of Human Periodontal Stem Cells Overexpressing Platelet-Derived Growth Factor-BB Enhances Alveolar Bone Defect Repair. Stem Cells Dev 2019; 28:1620-1631. [PMID: 31663419 DOI: 10.1089/scd.2019.0184] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Alveolar bone defects can arise as a consequence of trauma, infection, periodontal disease, or congenital alveolar fenestration. Many approaches have been employed in an effort to treat or overcome such defects, but the ability to effectively achieve alveolar regeneration remains elusive. Platelet-derived growth factor-BB (PDGF-BB) has been shown to serve as a key factor capable of orchestrating cell proliferation, angiogenesis, and chemoattraction in the context of osteogenic processes. Exactly how PDGF-BB affects human periodontal ligament stem cells (hPDLSCs), however, requires further exploration. In this report, we utilized a lentiviral construct to achieve PDGF-BB overexpression in hPDLSCs, allowing us to establish that this gene was able to enhance the proliferation of these cells and to mediate osteogenic gene upregulation therein. In addition, we established a rat model of alveolar defects that were implanted using different complexes, and then monitored through histological and micro-CT analyses 4 and 8 weeks postsurgery to assess bone repair outcomes. These analyses revealed that a thermosensitive hydrogel was an effective 3D cell culture scaffold, while PDLSCs overexpressing PDGF-BB enhanced bone growth in the context of alveolar bone defects. Together, these results thus indicate that PDGF-BB represents a potent means of promoting stem cell-based alveolar bone tissue regeneration.
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Affiliation(s)
- Jie Pan
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Jiajia Deng
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Yuan Luo
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Department of Oral Surgery, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Liming Yu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Weihua Zhang
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Xinxin Han
- Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
| | - Zhengwei You
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai, China
| | - Yuehua Liu
- Department of Orthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China.,Oral Biomedical Engineering Laboratory, Shanghai Stomatological Hospital, Fudan University, Shanghai, People's Republic of China
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42
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Sun Q, Nakata H, Yamamoto M, Kasugai S, Kuroda S. Comparison of gingiva-derived and bone marrow mesenchymal stem cells for osteogenesis. J Cell Mol Med 2019; 23:7592-7601. [PMID: 31657140 PMCID: PMC6815943 DOI: 10.1111/jcmm.14632] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 07/15/2019] [Accepted: 08/06/2019] [Indexed: 01/01/2023] Open
Abstract
Presently, bone marrow is considered as a prime source of mesenchymal stem cells; however, there are some drawbacks and limitations. Compared with other mesenchymal stem cell (MSC) sources, gingiva-derived mesenchymal stem cells (GMSCs) are abundant and easy to obtain through minimally invasive cell isolation techniques. In this study, MSCs derived from gingiva and bone marrow were isolated and cultured from mice. GMSCs were characterized by osteogenic, adipogenic and chondrogenic differentiation, and flow cytometry. Compared with bone marrow MSCs (BMSCs), the proliferation capacity was judged by CCK-8 proliferation assay. Osteogenic differentiation was assessed by ALP staining, ALP assay and Alizarin red staining. RT-qPCR was performed for ALP, OCN, OSX and Runx2. The results indicated that GMSCs showed higher proliferative capacity than BMSCs. GMSCs turned more positive for ALP and formed a more number of mineralized nodules than BMSCs after osteogenic induction. RT-qPCR revealed that the expression of ALP, OCN, OSX and Runx2 was significantly increased in the GMSCs compared with that in BMSCs. Moreover, it was found that the number of CD90-positive cells in GMSCs elevated more than that of BMSCs during osteogenic induction. Taking these results together, it was indicated that GMSCs might be a promising source in the future bone tissue engineering.
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Affiliation(s)
- Quan Sun
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Medical and Dental Sciences Track, Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan
| | - Hidemi Nakata
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Medical and Dental Sciences Track, Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan
| | - Maiko Yamamoto
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Medical and Dental Sciences Track, Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan
| | - Shohei Kasugai
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Medical and Dental Sciences Track, Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan
| | - Shinji Kuroda
- Department of Oral Implantology and Regenerative Dental Medicine, Division of Oral Health Sciences, Medical and Dental Sciences Track, Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityTokyoJapan
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43
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Portron S, Soueidan A, Marsden AC, Rakic M, Verner C, Weiss P, Badran Z, Struillou X. Periodontal regenerative medicine using mesenchymal stem cells and biomaterials: A systematic review of pre-clinical studies. Dent Mater J 2019; 38:867-883. [PMID: 31511473 DOI: 10.4012/dmj.2018-315] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
The aim of the systematic review was to analyze the use of mesenchymal stem cells (MSC) and biomaterial for periodontal regeneration from preclinical animal models and human. Electronic databases were searched and additional hand-search in leading journals was performed. The research strategy was achieved according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The including criteria were as follows: MSC, biomaterial, in vivo studies, with histologic and radiologic analysis and written in English. The risk of bias was assessed for individual studies. A total of 50 articles were selected and investigated in the systematic review. These results indicate that MSC and scaffold provide beneficial effects on periodontal regeneration, with no adverse effects of such interventions. Future studies need to identify the suitable association of MSC and biomaterial and to characterize the type of new cementum and the organization of the periodontal ligament fiber regeneration.
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Affiliation(s)
- Sophie Portron
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes.,Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Assem Soueidan
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes.,Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Anne-Claire Marsden
- Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Mia Rakic
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes.,Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Christian Verner
- Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Pierre Weiss
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes
| | - Zahi Badran
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes.,Department of Periodontology, Faculty of Dental Surgery, University of Nantes
| | - Xavier Struillou
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes.,Department of Periodontology, Faculty of Dental Surgery, University of Nantes
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Li X, He XT, Kong DQ, Xu XY, Wu RX, Sun LJ, Tian BM, Chen FM. M2 Macrophages Enhance the Cementoblastic Differentiation of Periodontal Ligament Stem Cells via the Akt and JNK Pathways. Stem Cells 2019; 37:1567-1580. [PMID: 31400241 DOI: 10.1002/stem.3076] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 07/21/2019] [Indexed: 12/11/2022]
Abstract
Although macrophage (Mφ) polarization has been demonstrated to play crucial roles in cellular osteogenesis across the cascade of events in periodontal regeneration, how polarized Mφ phenotypes influence the cementoblastic differentiation of periodontal ligament stem cells (PDLSCs) remains unknown. In the present study, human monocyte leukemic cells (THP-1) were induced into M0, M1, and M2 subsets, and the influences of these polarized Mφs on the cementoblastic differentiation of PDLSCs were assessed in both conditioned medium-based and Transwell-based coculture systems. Furthermore, the potential pathways and cyto-/chemokines involved in Mφ-mediated cementoblastic differentiation were screened and identified. In both systems, M2 subsets increased cementoblastic differentiation-related gene/protein expression levels in cocultured PDLSCs, induced more PDLSCs to differentiate into polygonal and square cells, and enhanced alkaline phosphatase activity in PDLSCs. Furthermore, Akt and c-Jun N-terminal Kinase (JNK) signaling was identified as a potential pathway involved in M2 Mφ-enhanced PDLSC cementoblastic differentiation, and cyto-/chemokines (interleukin (IL)-10 and vascular endothelial growth factor [VEGF]) secreted by M2 Mφs were found to be key players that promoted cell cementoblastic differentiation by activating Akt signaling. Our data indicate for the first time that Mφs are key modulators during PDLSC cementoblastic differentiation and are hence very important for the regeneration of multiple periodontal tissues, including the cementum. Although the Akt and JNK pathways are involved in M2 Mφ-enhanced cementoblastic differentiation, only the Akt pathway can be activated via a cyto-/chemokine-associated mechanism, suggesting that players other than cyto-/chemokines also participate in the M2-mediated cementoblastic differentiation of PDLSCs. Stem Cells 2019;37:1567-1580.
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Affiliation(s)
- Xuan Li
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Xiao-Tao He
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - De-Qin Kong
- Department of Toxicology, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, The Ministry of Education Key Laboratory of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Xin-Yue Xu
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Rui-Xin Wu
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Li-Juan Sun
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Bei-Min Tian
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Fa-Ming Chen
- Department of Periodontology, State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
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Fawzy El-Sayed KM, Ahmed GM, Abouauf EA, Schwendicke F. Stem/progenitor cell-mediated pulpal tissue regeneration: a systematic review and meta-analysis. Int Endod J 2019; 52:1573-1585. [PMID: 31232460 DOI: 10.1111/iej.13177] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 06/20/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Stem/progenitor cell-mediated pulpal regeneration could represent a promising therapeutic alternative in the field of clinical endodontics. AIM The present study aimed to systematically assess and meta-analyse dental pulpal tissue regeneration, pulpal vitality and apical healing after the transplantation of stem/progenitor cells versus no transplantation. DATA SOURCES MEDLINE, Cochrane CENTRAL and EMBASE were searched up to January 2019 for animal experiments and human trials evaluating the pulpal transplantation of stem/progenitor cells. Cross-referencing and hand search were additionally performed. STUDY ELIGIBILITY CRITERIA, PARTICIPANTS AND INTERVENTIONS Based on randomized controlled clinical trials (RCTs) or controlled clinical trials (CCTs), conducted in animals or humans, the effect of the transplantation of stem/progenitor cells compared to no transplantation on pulpal tissue regeneration, pulpal vitality and apical healing was examined. STUDY APPRAISAL AND SYNTHESIS METHODS The primary outcome was histologically determined pulpal tissue regeneration, whilst pulpal vitality and apical healing were secondary outcomes. The SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE) guidelines and the revised Cochrane risk of bias tool (RoB 2.0) were used for risk-of-bias assessment. Pooled standardized differences in means (SDM) and 95% confidence intervals (95% CI) were calculated using random-effects meta-analyses. RESULTS From 2834 identified articles, eight animal experiments (82 animals with 336 experimental pulpal defects) and one human trial (40 humans with 40 pulpal defects) were included. Risk of bias of most animal studies was high, whilst the human trial revealed 'some concerns'. Stem/progenitor cell-transplanted pulps demonstrated significantly increased pulpal tissue regeneration compared with controls (SDM [95%CI]: 6.29 [3.78-8.80]). LIMITATIONS Data on pulpal vitality and apical healing were sparse and inconsistent. Heterogeneity across studies was substantial, publication bias was present, and mainly indirect, surrogate outcome measures were applied. The overall strength of evidence was very low. CONCLUSIONS AND IMPLICATIONS OF KEY FINDINGS The transplanation of stem/progenitor cells shows promise for pulp regeneration, whilst clinical routine application is still not in reach. Further investigations, employing a comprehensive set of outcomes including those demonstrating functional pulp regeneration relevant for patient-centred care, are required.
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Affiliation(s)
- K M Fawzy El-Sayed
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Stem Cell and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Clinic for Conservative Dentistry and Periodontology, Christian-Albrechts-Universität Kiel, Kiel, Germany
| | - G M Ahmed
- Stem Cell and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - E A Abouauf
- Stem Cell and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo, Egypt.,Department of Operative and Preventive Dentistry, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - F Schwendicke
- Department of Operative and Preventive Dentistry, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Xu X, Li X, Wang J, He X, Sun H, Chen F. Concise Review: Periodontal Tissue Regeneration Using Stem Cells: Strategies and Translational Considerations. Stem Cells Transl Med 2019; 8:392-403. [PMID: 30585445 PMCID: PMC6431686 DOI: 10.1002/sctm.18-0181] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/22/2018] [Indexed: 12/15/2022] Open
Abstract
Periodontitis is a widespread disease characterized by inflammation-induced progressive damage to the tooth-supporting structures until tooth loss occurs. The regeneration of lost/damaged support tissue in the periodontium, including the alveolar bone, periodontal ligament, and cementum, is an ambitious purpose of periodontal regenerative therapy and might effectively reduce periodontitis-caused tooth loss. The use of stem cells for periodontal regeneration is a hot field in translational research and an emerging potential treatment for periodontitis. This concise review summarizes the regenerative approaches using either culture-expanded or host-mobilized stem cells that are currently being investigated in the laboratory and with preclinical models for periodontal tissue regeneration and highlights the most recent evidence supporting their translational potential toward a widespread use in the clinic for combating highly prevalent periodontal disease. We conclude that in addition to in vitro cell-biomaterial design and transplantation, the engineering of biomaterial devices to encourage the innate regenerative capabilities of the periodontium warrants further investigation. In comparison to cell-based therapies, the use of biomaterials is comparatively simple and sufficiently reliable to support high levels of endogenous tissue regeneration. Thus, endogenous regenerative technology is a more economical and effective as well as safer method for the treatment of clinical patients. Stem Cells Translational Medicine 2019;8:392-403.
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Affiliation(s)
- Xin‐Yue Xu
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
| | - Xuan Li
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
| | - Jia Wang
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
| | - Xiao‐Tao He
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
| | - Hai‐Hua Sun
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
| | - Fa‐Ming Chen
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of StomatologyFourth Military Medical UniversityXi'anPeople's Republic of China
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Fawzy El-Sayed KM, Elahmady M, Adawi Z, Aboushadi N, Elnaggar A, Eid M, Hamdy N, Sanaa D, Dörfer CE. The periodontal stem/progenitor cell inflammatory-regenerative cross talk: A new perspective. J Periodontal Res 2019; 54:81-94. [PMID: 30295324 DOI: 10.1111/jre.12616] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 07/24/2018] [Accepted: 08/31/2018] [Indexed: 12/13/2022]
Abstract
Adult multipotent stem/progenitor cells, with remarkable regenerative potential, have been isolated from various components of the human periodontium. These multipotent stem/progenitor cells include the periodontal ligament stem/progenitor cells (PDLSCs), stem cells from the apical papilla (SCAP), the gingival mesenchymal stem/progenitor cells (G-MSCs), and the alveolar bone proper stem/progenitor cells (AB-MSCs). Whereas inflammation is regarded as the reason for tissue damage, it also remains a fundamental step of any early healing process. In performing their periodontal tissue regenerative/reparative activity, periodontal stem/progenitor cells interact with their surrounding inflammatory micro-environmental, through their expressed receptors, which could influence their fate and the outcome of any periodontal stem/progenitor cell-mediated reparative/regenerative activity. The present review discusses the current understanding about the interaction of periodontal stem/progenitor cells with their surrounding inflammatory micro-environment, elaborates on the inflammatory factors influencing their stemness, proliferation, migration/homing, differentiation, and immunomodulatory attributes, the possible underlying intracellular mechanisms, as well as their proposed relationship to the canonical and noncanonical Wnt pathways.
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Affiliation(s)
- Karim M Fawzy El-Sayed
- Oral Medicine and Periodontology Department, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
| | | | - Zeina Adawi
- Faculty of Dentistry, New Giza University, Giza, Egypt
| | | | - Ali Elnaggar
- Faculty of Dentistry, New Giza University, Giza, Egypt
| | - Maryam Eid
- Faculty of Dentistry, New Giza University, Giza, Egypt
| | - Nayera Hamdy
- Faculty of Dentistry, New Giza University, Giza, Egypt
| | - Dalia Sanaa
- Faculty of Dentistry, New Giza University, Giza, Egypt
| | - Christof E Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, Kiel, Germany
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Fawzy El-Sayed KM, Hein D, Dörfer CE. Retinol/inflammation affect stemness and differentiation potential of gingival stem/progenitor cells via Wnt/β-catenin. J Periodontal Res 2019; 54:413-423. [PMID: 30830694 DOI: 10.1111/jre.12643] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 01/14/2019] [Accepted: 02/01/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND OBJECTIVE Inflammatory cytokines impact the course of periodontal disease, repair, and regeneration. Vitamin A and its metabolites are inflammation-modulatory biomolecules, affecting cellular pluripotency. The aim of this study was to investigate the effect of retinol and periodontal inflammatory cytokines (IL-1β/TNF-α/IFN-γ) on pluripotency and proliferative properties of gingival mesenchymal stem/progenitor cells (G-MSCs), for the first time. MATERIAL AND METHODS Human G-MSCs (n = 5) were STRO-1 immuno-magnetically sorted, characterized and expanded in basic medium (control group), in basic medium with IL-1β (1 ng/mL), TNF-α (10 ng/mL), and IFN-γ (100 ng/mL) (inflammatory group), in basic medium with retinol (20 μmol/L) (retinol group) and with retinol added to the inflammatory group (inflammatory/retinol group). β-catenin levels at 1 hour, cellular proliferation over 14 days, and colony-forming units (CFUs) at 14 days were investigated. Pluripotency gene expressions were examined at 1, 3, and 5 days via reverse transcription-polymerase chain reaction (RT-PCR). Multilineage differentiation potential was evaluated, following 5 days priming, using qualitative and quantitative histochemistry and RT-PCR. RESULTS G-MSCs were CD14- , CD34- , CD45- , CD73+ , CD90+ , CD105+ , and showed mesenchymal stem/progenitor cells' hallmarks, CFUs, and multilineage differentiation potential. Intracellular β-catenin significantly declined in the stimulated groups (P < 0.001, Friedman test). Cellular proliferation at 72 hours was most prominent in the control and inflammatory group [Median cell numbers (Q25/Q75); 6806 (4983/7312) and 5414 (4457/7230), respectively], followed by an upsurge in the retinol group. At 14 days, the retinol group exhibited the highest CFUs [Median CFUs (Q25/Q75); 35 (20/58), P = 0.043, Wilcoxon signed-rank]. Nanog was most expressed in the inflammatory and retinol group [Median gene expression/PGK1 (Q25/Q75); 0.0006 (0.0002/0.0014) and 0.0005 (0.0003/0.0008)]. Inflammation significantly upregulated Sox2 expression [0.0002 (0.0008/0.0005)], while its expression was diminished in the retinol and inflammatory/retinol group (P < 0.001, Friedman test). Inflammatory/retinol group exhibited the highest multilineage differentiation potential. CONCLUSION Controlled short-term inflammatory/retinol stimuli activate the Wnt/β-catenin pathway, affecting G-MSCs' pluripotency, proliferation, and differentiation. The present findings provide further insights into the inflammatory-regenerative interactions and their modulation potential for G-MSCs-mediated periodontal repair/regeneration.
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Affiliation(s)
- Karim M Fawzy El-Sayed
- Oral Medicine and Periodontology Department, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt.,Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts-University, Kiel, Germany
| | - Daniela Hein
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts-University, Kiel, Germany
| | - Christof E Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts-University, Kiel, Germany
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Coccè V, Franzè S, Brini AT, Giannì AB, Pascucci L, Ciusani E, Alessandri G, Farronato G, Cavicchini L, Sordi V, Paroni R, Dei Cas M, Cilurzo F, Pessina A. In Vitro Anticancer Activity of Extracellular Vesicles (EVs) Secreted by Gingival Mesenchymal Stromal Cells Primed with Paclitaxel. Pharmaceutics 2019; 11:pharmaceutics11020061. [PMID: 30717104 PMCID: PMC6409699 DOI: 10.3390/pharmaceutics11020061] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 01/15/2019] [Accepted: 01/26/2019] [Indexed: 01/08/2023] Open
Abstract
Interdental papilla are an interesting source of mesenchymal stromal cells (GinPaMSCs), which are easy to isolate and expand in vitro. In our laboratory, GinPaMSCs were isolated, expanded, and characterized by studying their secretome before and after priming with paclitaxel (PTX). The secretome of GinPaMSCs did not affect the growth of cancer cell lines tested in vitro, whereas the secretome of GinPaMSCs primed with paclitaxel (GinPaMSCs/PTX) exerted a significant anticancer effect. GinPaMSCs were able to uptake and then release paclitaxel in amounts pharmacologically effective against cancer cells, as demonstrated in vitro by the direct activity of GinPaMSCs/PTX and their secretome against both human pancreatic carcinoma and squamous carcinoma cells. PTX was associated with extracellular vesicles (EVs) secreted by cells (EVs/PTX), suggesting that PTX is incorporated into exosomes during their biogenesis. The isolation of mesenchymal stromal cells (MSCs) from gingiva is less invasive than that from other tissues (such as bone marrow and fat), and GinPaMSCs provide an optimal substrate for drug-priming to obtain EVs/PTX having anticancer activity. This research may contribute to develop new strategies of cell-mediated drug delivery by EVs that are easy to store without losing function, and could have a superior safety profile in therapy.
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Affiliation(s)
- Valentina Coccè
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
| | - Silvia Franzè
- Department of Pharmaceutical Science, University of Milan, 20133 Milan, Italy.
| | - Anna Teresa Brini
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
- IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy.
| | - Aldo Bruno Giannì
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
- Maxillo-Facial and Dental Unit, Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, 20122 Milan, Italy.
| | - Luisa Pascucci
- Department of Veterinary Medicine, University of Perugia, 06123 Perugia, Italy.
| | - Emilio Ciusani
- Laboratory of Clinical Pathology and Medical Genetics, Fondazione IRCCS Istituto Neurologico "C. Besta", 20133 Milan, Italy.
| | - Giulio Alessandri
- Cellular Neurobiology Laboratory, Department of Cerebrovascular Diseases, IRCCS Neurological Institute C. Besta, 20133 Milan, Italy.
| | - Giampietro Farronato
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
- Unit of Orthodontics and Paediatric Dentistry, Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, 20122 Milan, Italy.
| | - Loredana Cavicchini
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
| | - Valeria Sordi
- Diabetes Research Institute, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Rita Paroni
- Department of Health Sciences of the University of Milan, 20142 Milan, Italy.
| | - Michele Dei Cas
- Department of Health Sciences of the University of Milan, 20142 Milan, Italy.
| | - Francesco Cilurzo
- Department of Pharmaceutical Science, University of Milan, 20133 Milan, Italy.
| | - Augusto Pessina
- CRC StaMeTec, Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy.
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50
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Fawzy El-Sayed K, Graetz C, Köhnlein T, Mekhemar M, Dörfer C. Effect of total sonicated Aggregatibacter actinomycetemcomitans fragments on gingival stem/progenitor cells. Med Oral Patol Oral Cir Bucal 2018; 23:e569-e578. [PMID: 30148477 PMCID: PMC6167108 DOI: 10.4317/medoral.22661] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 08/16/2018] [Indexed: 01/24/2023] Open
Abstract
Background Aggregatibacter-actinomycetemcomitans (A.actinomycetemcomitans) are strongly associated with localized-aggressive-periodontitis (LAgP). The study’s aim was to test for the first time the effect of total sonicated A.actinomycetemcomitans-bacterial-fragments on gingival mesenchymal stem/progenitor cells’ (G-MSCs) proliferation and regenerative gene expression in-vitro. Material and Methods G-MSCs were isolated, characterized, expanded and stimulated by total sonicated A.actinomycetemcomitans-bacterial-fragments (0 (negative-control), 15, 60, 120 and 240µg/ml; serovar-b; n=6/group). Cellular proliferation and NF-κβ (NFKB1), Alkaline Phosphatase (ALPL), Collagen-I (COL1A1), Collagen-III (COL3A1), Osteonectin (SPARC) and Osteopontin (SPP1) m-RNA expression were assessed via reverse-transcription-polymerase-chain-reaction (RT-PCR) at 24, 48 and 72 hours and CFUs-ability evaluated at twelve days. Results G-MSCs demonstrated stem/progenitor cells’ characteristics. A.actinomycetemcomitans-bacterial-fragments (up to 72 hours) resulted in marked G-MSCs’ proliferation over-time (p<0.001) and elevated NFKB1 (p=0.017), COL1A1 (p=0.025), SPARC (p=0.025), decreased ALPL (p=0.017), with no significant differences for COL3A1 and SPP1 expression or stimulation times (p>0.05; Friedman-test). Longer-term stimulation for twelve days reduced G-MSCs’ CFUs. Conclusions Sonicated A.actinomycetemcomitans-bacterial-fragments’ exert beneficial short-term effects on G-MSCs’ proliferative and non-mineralized tissue forming aptitude. Results shed new light on the importance of periodontal treatment for LAgP patients, using power driven sonic/ultrasonic devices, which, in addition to reducing the subgingival microbial load, produces cell-stimulatory A.actinomycetemcomitans-bacterial-fragments, with positive attributes on tissue reparative/regenerative responses of tissue resident stem/progenitor cells in their niche. Key words:Ultrasonic, Aggregatibacter actinomycetemcomitans, stem cells, gingiva, Aggressive periodontitis.
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Affiliation(s)
- K Fawzy El-Sayed
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts-Universität zu Kiel, Arnold-Heller-Str. 3, Haus 26, 24105 Kiel, Germany,
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