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Wang X, Li F, Wu S, Xing W, Fu J, Wang R, He Y. Research progress on optimization of in vitro isolation, cultivation and preservation methods of dental pulp stem cells for clinical application. Front Bioeng Biotechnol 2024; 12:1305614. [PMID: 38633667 PMCID: PMC11021638 DOI: 10.3389/fbioe.2024.1305614] [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: 10/04/2023] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Due to high proliferative capacity, multipotent differentiation, immunomodulatory abilities, and lack of ethical concerns, dental pulp stem cells (DPSCs) are promising candidates for clinical application. Currently, clinical research on DPSCs is in its early stages. The reason for the failure to obtain clinically effective results may be problems with the production process of DPSCs. Due to the different preparation methods and reagent formulations of DPSCs, cell characteristics may be affected and lead to inconsistent experimental results. Preparation of clinical-grade DPSCs is far from ready. To achieve clinical application, it is essential to transit the manufacturing of stem cells from laboratory grade to clinical grade. This review compares and analyzes experimental data on optimizing the preparation methods of DPSCs from extraction to resuscitation, including research articles, invention patents and clinical trials. The advantages and disadvantages of various methods and potential clinical applications are discussed, and factors that could improve the quality of DPSCs for clinical application are proposed. The aim is to summarize the current manufacture of DPSCs in the establishment of a standardized, reliable, safe, and economic method for future preparation of clinical-grade cell products.
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Affiliation(s)
- Xinxin Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Fenyao Li
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Shuting Wu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Wenbo Xing
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Jiao Fu
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Ruoxuan Wang
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Yan He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
- First Clinical College of the Ministry of Medicine, Wuhan University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Bakr MM, Shamel M, Raafat SN, Love RM, Al‐Ankily MM. Effect of pulp capping materials on odontogenic differentiation of human dental pulp stem cells: An in vitro study. Clin Exp Dent Res 2024; 10:e816. [PMID: 38053499 PMCID: PMC10860438 DOI: 10.1002/cre2.816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 12/07/2023] Open
Abstract
OBJECTIVES Migration and differentiation of human dental pulp stem cells (hDPSCs) is a vital and key factor in the success of reparative dentin formation for maintenance of pulp vitality. Pulp capping materials are used to stimulate DPSCs to induce new dentin formation. Thus, the aim of the present study was to compare the response of DPSCs to four commercially available pulp capping materials: a bioactive bioceramic (Material 1), a nonresinous ready-to-use bioceramic cement (Material 2), a bioactive composite (Material 3), and a biocompatible, dual-cured, resin-modified calcium silicate (Material 4). MATERIALS AND METHODS hDPSCs were isolated and cultured from freshly extracted teeth and were then characterized by flow cytometry and multilineage differentiation. Discs prepared from pulp capping materials were tested with hDPSCs and MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay, cell migration assay and odontogenic differentiation assay was performed. Expression of osteogenic markers (osteopontin, RUNX family transcription factor 2, osteocalcin) and the odontogenic marker (dentin sialophosphoprotein) was detected using reverse transcription-polymerase chain reaction. RESULTS Materials 1, 2, and 3 generated more cell viability than Material 4. Furthermore, Material 4 showed the least wound exposure percentage, while Material 3 showed the highest percentage. Enhanced mineralization was found in hDSCPs cultured with Material 3, followed by Material 1, and then Material 2, while Material 4 revealed the least calcified mineralization. CONCLUSIONS The results of this study were inconclusive regards contemporary bioceramic materials designed for vital pulp therapy as they have different effects on hDPSC. Further testing for cytotoxicity using live-dead staining, animal experiments, clinical trials, and independent analyses of these biomaterials is necessary for clinicians to make an informed decision for their use.
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Affiliation(s)
- Mahmoud M. Bakr
- School of Medicine and DentistryGriffith UniversityGold CoastQueenslandAustralia
| | - Mohamed Shamel
- Oral Biology Department, Faulty of DentistryThe British University in EgyptCairoEgypt
| | - Shereen N. Raafat
- Department of Pharmacology and Toxicology, Faculty of DentistryThe British University in EgyptCairoEgypt
| | - Robert M. Love
- School of Medicine and DentistryGriffith UniversityGold CoastQueenslandAustralia
| | - Mahmoud M. Al‐Ankily
- Oral Biology Department, Faulty of DentistryThe British University in EgyptCairoEgypt
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Mohebichamkhorami F, Niknam Z, Zali H, Mostafavi E. Therapeutic Potential of Oral-Derived Mesenchymal Stem Cells in Retinal Repair. Stem Cell Rev Rep 2023; 19:2709-2723. [PMID: 37733198 DOI: 10.1007/s12015-023-10626-x] [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] [Accepted: 09/05/2023] [Indexed: 09/22/2023]
Abstract
The retina has restricted regeneration ability to recover injured cell layer because of reduced production of neurotrophic factors and increased inhibitory molecules against axon regrowth. A diseased retina could be regenerated by repopulating the damaged tissue with functional cell sources like mesenchymal stem cells (MSCs). The cells are able to release neurotrophic factors (NFs) to boost axonal regeneration and cell maintenance. In the current study, we comprehensively explore the potential of various types of stem cells (SCs) from oral cavity as promising therapeutic options in retinal regeneration. The oral MSCs derived from cranial neural crest cells (CNCCs) which explains their broad neural differentiation potential and secret rich NFs. They are comprised of dental pulp SCs (DPSCs), SCs from exfoliated deciduous teeth (SHED), SCs from apical papilla (SCAP), periodontal ligament-derived SCs (PDLSCs), gingival MSCs (GMSCs), and dental follicle SCs (DFSCs). The Oral MSCs are becoming a promising source of cells for cell-free or cell-based therapeutic approach to recover degenerated retinal. These cells have various mechanisms of action in retinal regeneration including cell replacement and the paracrine effect. It was demonstrated that they have more neuroprotective and neurotrophic effects on retinal cells than immediate replacement of injured cells in retina. This could be the reason that their therapeutic effects would be weakened over time. It can be concluded that neuronal and retinal regeneration through these cells is most likely due to their NFs that dramatically suppress oxidative stress, inflammation, and apoptosis. Although, oral MSCs are attractive therapeutic options for retinal injuries, more preclinical and clinical investigations are required.
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Affiliation(s)
- Fariba Mohebichamkhorami
- Department of Food Science & Technology, University of California, Davis, CA, 95616, USA
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Niknam
- Neurophysiology Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Hakimeh Zali
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA.
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA.
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Yang D, Solidum JGN, Park D. Dental Pulp Stem Cells and Current in vivo Approaches to Study Dental Pulp Stem Cells in Pulp Injury and Regeneration. J Bone Metab 2023; 30:231-244. [PMID: 37718901 PMCID: PMC10509030 DOI: 10.11005/jbm.2023.30.3.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 08/20/2023] [Indexed: 09/19/2023] Open
Abstract
Dental pulp stem cells (DPSCs) have garnered significant interest in dental research for their unique characteristics and potential in tooth development and regeneration. While there were many studies to define their stem cell-like characteristics and osteogenic differentiation functions that are considered ideal candidates for regenerating damaged dental pulp tissue, how endogenous DPSCs respond to dental pulp injury and supply new dentin-forming cells has not been extensively investigated in vivo. Here, we review the recent progress in identity, function, and regulation of endogenous DPSCs and their clinical potential for pulp injury and regeneration. In addition, we discuss current advances in new mouse models, imaging techniques, and its practical uses and limitations in the analysis of DPSCs in pulp injury and regeneration in vivo.
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Affiliation(s)
- Dongwook Yang
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX,
USA
- Center for Skeletal Biology, Baylor College of Medicine, Houston, TX,
USA
| | - Jea Giezl Niedo Solidum
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX,
USA
- Department of Biochemistry & Molecular Biology, College of Medicine, University of the Philippines Manila, Manila,
Philippines
| | - Dongsu Park
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX,
USA
- Center for Skeletal Biology, Baylor College of Medicine, Houston, TX,
USA
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,
USA
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Mahdavi-Jouibari F, Parseh B, Kazeminejad E, Khosravi A. Hopes and opportunities of stem cells from human exfoliated deciduous teeth (SHED) in cartilage tissue regeneration. Front Bioeng Biotechnol 2023; 11:1021024. [PMID: 36860887 PMCID: PMC9968979 DOI: 10.3389/fbioe.2023.1021024] [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: 08/16/2022] [Accepted: 01/30/2023] [Indexed: 02/17/2023] Open
Abstract
Cartilage lesions are common conditions, affecting elderly and non-athletic populations. Despite recent advances, cartilage regeneration remains a major challenge today. The absence of an inflammatory response following damage and the inability of stem cells to penetrate into the healing site due to the absence of blood and lymph vessels are assumed to hinder joint repair. Stem cell-based regeneration and tissue engineering have opened new horizons for treatment. With advances in biological sciences, especially stem cell research, the function of various growth factors in the regulation of cell proliferation and differentiation has been established. Mesenchymal stem cells (MSCs) isolated from different tissues have been shown to increase into therapeutically relevant cell numbers and differentiate into mature chondrocytes. As MSCs can differentiate and become engrafted inside the host, they are considered suitable candidates for cartilage regeneration. Stem cells from human exfoliated deciduous teeth (SHED) provide a novel and non-invasive source of MSCs. Due to their simple isolation, chondrogenic differentiation potential, and minimal immunogenicity, they can be an interesting option for cartilage regeneration. Recent studies have reported that SHED-derived secretome contains biomolecules and compounds that efficiently promote regeneration in damaged tissues, including cartilage. Overall, this review highlighted the advances and challenges of cartilage regeneration using stem cell-based therapies by focusing on SHED.
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Affiliation(s)
- Forough Mahdavi-Jouibari
- Department of Medical Biotechnology, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Benyamin Parseh
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ezatolah Kazeminejad
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Dental Research Center, Golestan University of Medical Sciences, Gorgan, Iran,*Correspondence: Ezatolah Kazeminejad, Dr. ; Ayyoob Khosravi,
| | - Ayyoob Khosravi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran,Department of Molecular Medicine, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran,*Correspondence: Ezatolah Kazeminejad, Dr. ; Ayyoob Khosravi,
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Behm C, Blufstein A, Gahn J, Moritz A, Rausch-Fan X, Andrukhov O. 25-hydroxyvitamin D 3 generates immunomodulatory plasticity in human periodontal ligament-derived mesenchymal stromal cells that is inflammatory context-dependent. Front Immunol 2023; 14:1100041. [PMID: 36761739 PMCID: PMC9902380 DOI: 10.3389/fimmu.2023.1100041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/09/2023] [Indexed: 01/26/2023] Open
Abstract
Introduction Human periodontal ligament-derived mesenchymal stromal cells (hPDL-MSCs) exhibit a tight bi-directional interaction with CD4+ T lymphocytes. The hPDL-MSCs' immunomodulatory abilities are drastically enhanced by pro-inflammatory cytokines via boosting the expression of various immunomediators. 25-hydroxyvitamin D3 (25(OH)D3), the major metabolite of vitamin D3 in the blood, affects both hPDL-MSCs and CD4+ T lymphocytes, but its influence on their interaction is unknown. Methods Therefore, primary hPDL-MSCs were stimulated in vitro with tumor necrosis factor (TNF)-α a or interleukin (IL)-1β in the absence and presence of 25(OH)D3 followed by an indirect co-culture with phytohemagglutinin-activated CD4+ T lymphocytes. The CD4+ T lymphocyte proliferation, viability, and cytokine secretion were analyzed. Additionally, the expression of various immunomediators in hPDL-MSCs was investigated, and their implication was verified by using pharmacological inhibitors. Results 25(OH)D3 significantly counteracted the suppressive effects of IL-1β-treated hPDL-MSCs on CD4+ T lymphocyte proliferation, whereas no effects were observed in the presence of TNF-α. Additionally, 25(OH)D3 significantly increased the percentage of viable CD4+ T lymphocytes via TNF-α- or IL-1β-treated hPDL-MSCs. It also caused a significant decrease in interferon-γ, IL-17A, and transforming growth factor-β productions, which were triggered by TNF-α-treated hPDL-MSCs. 25(OH)D3 significantly decreased the production of various immunomediators in hPDL-MSCs. Inhibition of two of them, prostaglandin E2 and indoleamine-2,3-dioxygenase-1, partially abolished some of the hPDL-MSCs-mediated effects of 25(OH)D3 on CD4+ T lymphocytes. Conclusion These data indicate that 25(OH)D3 influences the immunomodulatory activities of hPDL-MSCs. This modulatory potential seems to have high plasticity depending on the local cytokine conditions and may be involved in regulating periodontal tissue inflammatory processes.
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Affiliation(s)
- Christian Behm
- Competence Center Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Alice Blufstein
- Competence Center Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Clinical Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Johannes Gahn
- Competence Center Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Andreas Moritz
- Clinical Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Xiaohui Rausch-Fan
- Clinical Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Center for Clinical Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Oleh Andrukhov
- Competence Center Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
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Irfan M, Kim JH, Druzinsky RE, Ravindran S, Chung S. Complement C5aR/LPS-induced BDNF and NGF modulation in human dental pulp stem cells. Sci Rep 2022; 12:2042. [PMID: 35132159 PMCID: PMC8821590 DOI: 10.1038/s41598-022-06110-0] [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: 09/27/2021] [Accepted: 01/24/2022] [Indexed: 12/12/2022] Open
Abstract
Stem cells with the ability to differentiate into a variety of cells and secrete nerve regeneration factors have become an emerging option in nerve regeneration. Dental pulp stem cells (DPSCs) appear to be a good candidate for nerve regeneration given their accessibility, neural crest origin, and neural repair qualities. We have recently demonstrated that the complement C5a system, which is an important mediator of inflammation and tissue regeneration, is activated by lipoteichoic acid-treated pulp fibroblasts, and governs the production of brain-derived nerve growth factor (BDNF). This BDNF secretion promotes neurite outgrowth towards the injury site. Here, we extend our observation to DPSCs and compare their neurogenic ability to bone marrow-derived mesenchymal stem cells (BM-MSCs) under inflammatory stimulation. Our ELISA and immunostaining data demonstrate that blocking the C5a receptor (C5aR) reduced BDNF production in DPSCs, while treatment with C5aR agonist increased the BDNF expression, which suggests that C5aR has a positive regulatory role in the BDNF modulation of DPSCs. Inflammation induced by lipopolysaccharide (LPS) treatment potentiated this effect and is C5aR dependent. Most important, DPSCs produced significantly higher levels of C5aR-mediated BDNF compared to BM-MSCs. Taken together, our data reveal novel roles for C5aR and inflammation in modulation of BDNF and NGF in DPSCs.
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Affiliation(s)
- Muhammad Irfan
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S. Paulina St, Chicago, IL, 60612, USA
| | - Ji Hyun Kim
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S. Paulina St, Chicago, IL, 60612, USA
| | - Robert E Druzinsky
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S. Paulina St, Chicago, IL, 60612, USA
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S. Paulina St, Chicago, IL, 60612, USA
| | - Seung Chung
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S. Paulina St, Chicago, IL, 60612, USA.
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Liu P, Zhang Y, Ma Y, Tan S, Ren B, Liu S, Dai H, Xu Z. Application of dental pulp stem cells in oral maxillofacial tissue engineering. Int J Med Sci 2022; 19:310-320. [PMID: 35165516 PMCID: PMC8795794 DOI: 10.7150/ijms.68494] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/28/2021] [Indexed: 11/17/2022] Open
Abstract
In the maxillofacial area, soft and hard tissue abnormalities are caused by trauma, tumors, infection, and other causes that expose the maxillofacial region to the surface of the human body. Patients' normal physiological function and appearance are interfered with, and their mental health is adversely impacted, reducing their overall life quality. The pursuit of appropriate medical treatments to correct these abnormalities is thus vital. Autologous stem cell regeneration technology mainly focused on tissues has lately emerged as a significant problem in the medical community. Because of the capacity of dental pulp stem cells (DPSCs) to self-renew, the use of DPSCs from the human pulp tissues of deciduous teeth or permanent teeth has gained popularity among scientists as a stem cell-based therapy option. Aside from that, they are simple to extract and have minimal immunogenicity. As a result, bone tissue engineering may be a critical component in treating maxillofacial and periodontal bone abnormalities. DPSCs activity in maxillofacial and periodontal tissue-engineered bone tissue was investigated in this research.
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Affiliation(s)
- Peng Liu
- Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yingxin Zhang
- Department of Oral Emergency, Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yujie Ma
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Shuang Tan
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Bingyi Ren
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Shitao Liu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - HuanYan Dai
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Zhimin Xu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
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González-Quintanilla D, Abásolo N, Astudillo P. Wnt Signaling in Periodontal Disease. FRONTIERS IN DENTAL MEDICINE 2021. [DOI: 10.3389/fdmed.2021.763308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Periodontitis is a multifactorial and chronic condition associated with the formation of a dysbiotic biofilm, leading to a pro-inflammatory environment that can modulate cell signaling. The Wnt pathway plays fundamental roles during homeostasis and disease, and emerging evidence suggests its involvement in the maintenance of the periodontium and the development of periodontitis. Here, we summarize the role of the Wnt/β-catenin and non-canonical Wnt signaling pathways in periodontitis. The accumulated data suggests specific roles for each branch of the Wnt pathway. Wnt5a emerges as a critical player promoting periodontal ligament remodeling and impairing regenerative responses modulated by the Wnt/β-catenin pathway, such as alveolar bone formation. Collectively, the evidence suggests that achieving a proper balance between the Wnt/β-catenin and non-canonical pathways, rather than their independent modulation, might contribute to controlling the progression and severity of the periodontal disease.
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Bhandi S, Alkahtani A, Mashyakhy M, Ali Baeshen H, Mustafa M, Chohan H, Boreak N, Patil S. Study of optimal conditions for growth and osteogenic differentiation of dental pulp stem cells based on glucose and serum content. Saudi J Biol Sci 2021; 28:6359-6364. [PMID: 34759755 PMCID: PMC8568704 DOI: 10.1016/j.sjbs.2021.06.101] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/18/2021] [Accepted: 06/30/2021] [Indexed: 11/16/2022] Open
Abstract
Dental pulp stem cells (DPSCs) have shown promising characteristics in terms of their proliferation and osteogenic differentiation potential, which could be of greater benefit in regenerative dentistry. However, obstacles remain in the in vitro cultivation of DPSCs, which significantly affect their growth and differentiating ability. Therefore in this study, we demonstrated the growth and osteogenic differentiation of DPSCs in the presence of media containing different combinations of serum and glucose to get an optimized combination of both. DPSCs were cultured in media containing combinations of low glucose (LG), low serum (LS), high glucose (HG), and high serum (HS). The proliferation and osteogenic differentiation were assessed in DPSCs cultured with these different combinations of culture conditions. High glucose high serum condition significantly inhibited the proliferation of DPSCs and also affected their clonogenic potential, as evidenced by colony-forming units. Irrespective of the serum content, high glucose in the media also decreased the osteogenic potential of DPSCs confirmed by functional staining, and downregulation of osteogenesis-related genes. High glucose content in the culture media affects the growth and differentiation potential of the DPSCs. Hence, the culture conditions for the DPSCs should be reconsidered to utilize their maximum potential.
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Affiliation(s)
- Shilpa Bhandi
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Ahmed Alkahtani
- Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed Mashyakhy
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Hosam Ali Baeshen
- Department of Orthodontics, College of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Mustafa
- Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Hitesh Chohan
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Nezar Boreak
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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Bhandi S, Alkahtani A, Mashyakhy M, Abumelha AS, Albar NHM, Renugalakshmi A, Alkahtany MF, Robaian A, Almeslet AS, Patil VR, Varadarajan S, Balaji TM, Reda R, Testarelli L, Patil S. Effect of Ascorbic Acid on Differentiation, Secretome and Stemness of Stem Cells from Human Exfoliated Deciduous Tooth (SHEDs). J Pers Med 2021; 11:jpm11070589. [PMID: 34206203 PMCID: PMC8304986 DOI: 10.3390/jpm11070589] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/16/2021] [Accepted: 06/20/2021] [Indexed: 12/23/2022] Open
Abstract
Stem cells from human exfoliated deciduous teeth (SHEDs) are considered a type of mesenchymal stem cells (MSCs) because of their unique origin from the neural crest. SHEDs can self-renewal and multi-lineage differentiation with the ability to differentiate into odontoblasts, osteoblast, chondrocytes, neuronal cells, hepatocytes, adipocytes, etc. They are emerging as an ideal source of MSCs because of their easy availability and extraordinary cell number. Ascorbic acid, or vitamin C, has many cell-based applications, such as bone regeneration, osteoblastic differentiation, or extracellular matrix production. It also impacts stem cell plasticity and the ability to sustain pluripotent activity. In this study, we evaluate the effects of ascorbic acid on stemness, paracrine secretion, and differentiation into osteoblast, chondrocytes, and adipocytes. SHEDs displayed enhanced multifaceted activity, which may have applications in regenerative therapy.
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Affiliation(s)
- Shilpa Bhandi
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (N.H.M.A.)
| | - Ahmed Alkahtani
- Department of Restorative Dental Sciences, Division of Endodontics, College of Dentistry, King Saud University, Riyadh 11451, Saudi Arabia; (A.A.); (M.F.A.)
| | - Mohammed Mashyakhy
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (N.H.M.A.)
| | - Abdulaziz S. Abumelha
- Department of Restorative Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia;
| | - Nassreen Hassan Mohammad Albar
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (N.H.M.A.)
| | - Apathsakayan Renugalakshmi
- Department of Preventive Dental Sciences, Pedodontics Division, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia;
| | - Mazen F. Alkahtany
- Department of Restorative Dental Sciences, Division of Endodontics, College of Dentistry, King Saud University, Riyadh 11451, Saudi Arabia; (A.A.); (M.F.A.)
| | - Ali Robaian
- Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam bin Abdulaziz University, Alkharj 11942, Saudi Arabia;
| | - Asma Saleh Almeslet
- Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, Riyadh Elm University, Riyadh 12611, Saudi Arabia;
| | | | - Saranya Varadarajan
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai 600130, India;
| | - Thodur Madapusi Balaji
- Department of Periodontology, Tagore Dental College and Hospital, Chennai 600127, India;
| | - Rodolfo Reda
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (R.R.); (L.T.)
| | - Luca Testarelli
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy; (R.R.); (L.T.)
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia
- Correspondence:
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Jauković A, Kukolj T, Trivanović D, Okić-Đorđević I, Obradović H, Miletić M, Petrović V, Mojsilović S, Bugarski D. Modulating stemness of mesenchymal stem cells from exfoliated deciduous and permanent teeth by IL-17 and bFGF. J Cell Physiol 2021; 236:7322-7341. [PMID: 33934350 DOI: 10.1002/jcp.30399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 03/12/2021] [Accepted: 04/05/2021] [Indexed: 12/18/2022]
Abstract
Mesenchymal stem cells (MSCs) have been identified within dental pulp tissues of exfoliated deciduous (SHEDs) and permanent (DPSCs) teeth. Although differences in their proliferative and differentiation properties were revealed, variability in SHEDs and DPSCs responsiveness to growth factors and cytokines have not been studied before. Here, we investigated the influence of interleukin-17 (IL-17) and basic fibroblast growth factor (bFGF) on stemness features of SHEDs and DPSCs by analyzing their proliferation, clonogenicity, cell cycle progression, pluripotency markers expression and differentiation after 7-day treatment. Results indicated that IL-17 and bFGF differently affected SHEDs and DPSCs proliferation and clonogenicity, since bFGF increased proliferative and clonogenic potential of both cell types, while IL-17 similarly affected SHEDs, exerting no effects on adult counterparts DPSCs. In addition, both factors stimulated NANOG, OCT4, and SOX2 pluripotency markers expression in SHEDs and DPSCs showing diverse intracellular expression patterns dependent on MSCs type. As for the differentiation capacity, both factors displayed comparable effects on SHEDs and DPSCs, including stimulatory effect of IL-17 on early osteogenesis in contrast to the strong inhibitory effect showed for bFGF, while having no impact on SHEDs and DPSCs chondrogenesis. Moreover, bFGF combined with IL-17 reduced CD90 and stimulated CD73 expression on both types of MSCs, whereas each factor induced IL-6 expression indicating its' role in IL-17/bFGF-modulated properties of SHEDs and DPSCs. All these data demonstrated that dental pulp MSCs from primary and permanent teeth exert intrinsic features, providing novel evidence on how IL-17 and bFGF affect stem cell properties important for regeneration of dental pulp at different ages.
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Affiliation(s)
- Aleksandra Jauković
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Tamara Kukolj
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Drenka Trivanović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,IZKF Research Group Tissue Regeneration in Musculoskeletal Diseases, University Clinics, Würzburg, Germany.,Bernhard-Heine-Center for Locomotion Research, University Würzburg, Würzburg, Germany
| | - Ivana Okić-Đorđević
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Hristina Obradović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Maja Miletić
- Department of Pathophysiology, Faculty of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Vanja Petrović
- Department of Pediatric and Preventive Dentistry, Faculty of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Slavko Mojsilović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Diana Bugarski
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
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Soudi A, Yazdanian M, Ranjbar R, Tebyanian H, Yazdanian A, Tahmasebi E, Keshvad A, Seifalian A. Role and application of stem cells in dental regeneration: A comprehensive overview. EXCLI JOURNAL 2021; 20:454-489. [PMID: 33746673 PMCID: PMC7975587 DOI: 10.17179/excli2021-3335] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/09/2021] [Indexed: 12/18/2022]
Abstract
Recently, a growing attention has been observed toward potential advantages of stem cell (SC)-based therapies in regenerative treatments. Mesenchymal stem/stromal cells (MSCs) are now considered excellent candidates for tissue replacement therapies and tissue engineering. Autologous MSCs importantly contribute to the state-of-the-art clinical strategies for SC-based alveolar bone regeneration. The donor cells and immune cells play a prominent role in determining the clinical success of MSCs therapy. In line with the promising future that stem cell therapy has shown for tissue engineering applications, dental stem cells have also attracted the attention of the relevant researchers in recent years. The current literature review aims to survey the variety and extension of SC-application in tissue-regenerative dentistry. In this regard, the relevant English written literature was searched using keywords: "tissue engineering", "stem cells", "dental stem cells", and "dentistry strategies". According to the available database, SCs application has become increasingly widespread because of its accessibility, plasticity, and high proliferative ability. Among the growing recognized niches and tissues containing higher SCs, dental tissues are evidenced to be rich sources of MSCs. According to the literature, dental SCs are mostly present in the dental pulp, periodontal ligament, and dental follicle tissues. In this regard, the present review has described the recent findings on the potential of dental stem cells to be used in tissue regeneration.
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Affiliation(s)
- Armin Soudi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alireza Yazdanian
- Department of Veterinary, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Keshvad
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alexander Seifalian
- Nanotechnology and Regenerative Medicine Commercialization Centre (Ltd), The London Bioscience Innovation Centre, London, UK
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Behm C, Blufstein A, Gahn J, Kubin B, Moritz A, Rausch-Fan X, Andrukhov O. Continuing Effect of Cytokines and Toll-Like Receptor Agonists on Indoleamine-2,3-Dioxygenase-1 in Human Periodontal Ligament Stem/Stromal Cells. Cells 2020; 9:cells9122696. [PMID: 33339125 PMCID: PMC7765527 DOI: 10.3390/cells9122696] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/03/2020] [Accepted: 12/14/2020] [Indexed: 12/25/2022] Open
Abstract
Transplanted mesenchymal stem/stromal cells (MSCs) are a promising and innovative approach in regenerative medicine. Their regenerative potential is partly based upon their immunomodulatory activities. One of the most investigated immunomediators in MSCs, such as in periodontal ligament-derived MSCs (hPDLSCs), is indoleamine-2,3-dioxygenase-1 (IDO-1) which is upregulated by inflammatory stimuli, like cytokines. However, there are no data concerning continuing IDO-1 expression in hPDLSCs after the removal of inflammatory stimuli, such as cytokines and toll-like receptor (TLR) agonist-2 and TLR-3. Hence, primary hPDLSCs were stimulated with interleukin (IL)-1β, tumor necrosis factor (TNF)-α, interferon (IFN)-γ, TLR-2 agonist Pam3CSK4 or TLR-3 agonist Poly I/C. IDO-1 gene and protein expression and its enzymatic activity were measured up to five days after removing any stimuli. IL-1β- and TNF-α-induced IDO-1 expression and enzymatic activity decreased in a time-dependent manner after cessation of stimulation. IFN-γ caused a long-lasting effect on IDO-1 up to five days after removing IFN-γ. Both, TLR-2 and TLR-3 agonists induced a significant increase in IDO-1 gene expression, but only TLR-3 agonist induced significantly higher IDO-1 protein expression and enzymatic activity in conditioned media (CM). IDO-1 activity of Poly I/C- and Pam3CSK4-treated hPDLSCs was higher at one day after removal of stimuli than immediately after stimulation and declined to basal levels after five days. Among all tested stimuli, only IFN-γ was able to induce long-lasting IDO-1 expression and activity in hPDLSCs. The high plasticity of IDO-1 expression and its enzymatic activity in hPDLSCs due to the variable cytokine and virulence factor milieu and the temporal-dependent responsiveness of hPDLSCs may cause a highly dynamic potential of hPDLSCs to modulate immune responses in periodontal tissues.
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Affiliation(s)
- Christian Behm
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
- Division of Orthodontics, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Alice Blufstein
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Johannes Gahn
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Barbara Kubin
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Andreas Moritz
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Xiaohui Rausch-Fan
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Oleh Andrukhov
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
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Examination of the Therapeutic Potential of Mouse Oral Mucosa Stem Cells in a Wound-Healing Diabetic Mice Model. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17134854. [PMID: 32640560 PMCID: PMC7369976 DOI: 10.3390/ijerph17134854] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/27/2020] [Accepted: 06/28/2020] [Indexed: 12/13/2022]
Abstract
Diabetic wounds' delayed healing response is still considered a major therapeutic challenge. Stem cells and derived cellular products have been an active field of research for novel therapies referred to as regenerative medicine. It has recently been shown that human oral mucosa stem cells (hOMSCs) are a readily accessible source for obtaining large quantities of stem cells. This study evaluates the potential of mouse oral mucosa stem cells (mOMSCs) to enhance wound healing in a diabetic (db/db) mouse model by morphological and histological analysis. We show that mOMSCs-treated wounds displayed a significantly faster wound-healing response (p ≤ 0.0001), featuring faster re-epithelialization and a larger area of granulation tissue (p ≤ 0.05). Taken together, these results suggest that oral mucosa stem cells might have therapeutic potential in diabetic wound healing.
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16
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Response of Human Mesenchymal Stromal Cells from Periodontal Tissue to LPS Depends on the Purity but Not on the LPS Source. Mediators Inflamm 2020; 2020:8704896. [PMID: 32714091 PMCID: PMC7352132 DOI: 10.1155/2020/8704896] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 05/05/2020] [Accepted: 06/08/2020] [Indexed: 12/16/2022] Open
Abstract
Human periodontal ligament stromal cells (hPDLSCs) and gingival mesenchymal stromal cells (hGMSCs) are resident mesenchymal stromal cells (MSCs) of the periodontal tissue. The lipopolysaccharide (LPS) from Porphyromonas gingivalis is structurally distinct from that of other Gram-negative bacteria, and earlier studies linked this structural difference to a distinct virulence activity and the ability to activate toll-like receptor 2 (TLR-2), besides TLR-4 as commonly occurring upon LPS challenge. Later studies, in contrast, argue that TLR-2 activation by P. gingivalis LPS is due to lipoprotein contamination. In the present study, we aimed to define the influence of structure versus purity of P. gingivalis LPS on the immune response of hPDLSCs and hGMSCs. Cells were stimulated with commercially available "standard" P. gingivalis LPS, "ultrapure" P. gingivalis LPS, or "ultrapure" Escherichia coli LPS, and the expression of interleukin- (IL-) 8, IL-6, monocyte chemoattractant protein- (MCP-) 1, TLR-2, and TLR-4 was evaluated. The contribution of TLR-4 to the LPS-induced response was assessed using the specific TLR-4 inhibitor TAK-242. "Standard" P. gingivalis LPS induced significantly higher IL-8, IL-6, and MCP-1 production compared to the "ultrapure" LPS preparations, with no significant difference detectable for "ultrapure" LPS from P. gingivalis and E. coli. By using TAK-242, the response of hPDLSCs and hGMSCs to "ultrapure" LPS preparations was effectively inhibited to the levels comparable to those of nonstimulated controls. In contrast, high levels of response to "standard" LPS were observed, even in the presence of TAK-242. Our data show that the response of MSCs from periodontal tissue to LPS depends more on the purity of the LPS preparation than on the LPS source. Even a small amount of contaminating lipoproteins can drastically enhance the hPDLSCs' and hGMSCs; responsiveness to P. gingivalis LPS, which might also contribute to the progression of periodontal disease.
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Tavakoli S, Ghaderi Jafarbeigloo HR, Shariati A, Jahangiryan A, Jadidi F, Jadidi Kouhbanani MA, Hassanzadeh A, Zamani M, Javidi K, Naimi A. Mesenchymal stromal cells; a new horizon in regenerative medicine. J Cell Physiol 2020; 235:9185-9210. [PMID: 32452052 DOI: 10.1002/jcp.29803] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/03/2020] [Accepted: 05/07/2020] [Indexed: 12/11/2022]
Abstract
In recent decades, mesenchymal stromal cells (MSCs) biomedical utilizing has attracted worldwide growing attention. After the first report of the human MSCs obtaining from the bone marrow (BM) tissue, these cells were isolated from wide types of the other tissues, ranging from adipose tissue to dental pulp. Their specific characteristics, comprising self-renewality, multipotency, and availability accompanied by their immunomodulatory properties and little ethical concern denote their importance in the context of regenerative medicine. Considering preclinical studies, MSCs can modify immune reactions during tissue repair and restoration, providing suitable milieu for tissue recovery; on the other hand, they can be differentiated into comprehensive types of the body cells, such as osteoblast, chondrocyte, hepatocyte, cardiomyocyte, fibroblast, and neural cells. Though a large number of studies have investigated MSCs capacities in regenerative medicine in varied animal models, the oncogenic capability of unregulated MSCs differentiation must be more assessed to enable their application in the clinic. In the current review, we provide a brief overview of MSCs sources, isolation, and expansion as well as immunomodulatory activities. More important, we try to collect and discuss recent preclinical and clinical research and evaluate current challenges in the context of the MSC-based cell therapy for regenerative medicine.
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Affiliation(s)
- Shirin Tavakoli
- Department of Toxicology and Pharmacology, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ali Shariati
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Afsaneh Jahangiryan
- Immunology Department, Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine (IBTO), Tehran, Iran
| | - Faezeh Jadidi
- Student Research Committee, Zarand School of Nursing, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammd Amin Jadidi Kouhbanani
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hassanzadeh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Majid Zamani
- Department of Medical Laboratory Sciences, Faculty of Allied Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Kamran Javidi
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Adel Naimi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
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18
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Cytokines Differently Define the Immunomodulation of Mesenchymal Stem Cells from the Periodontal Ligament. Cells 2020; 9:cells9051222. [PMID: 32423044 PMCID: PMC7290931 DOI: 10.3390/cells9051222] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/05/2020] [Accepted: 05/11/2020] [Indexed: 12/11/2022] Open
Abstract
Human periodontal ligament stem cells (hPDLSCs) play an important role in periodontal tissue homeostasis and regeneration. The function of these cells in vivo depends largely on their immunomodulatory ability, which is reciprocally regulated by immune cells via cytokines, particularly interferon (IFN)-γ, tumor necrosis factor (TNF)-α, and interleukin (IL)-1β. Different cytokines activate distinct signaling pathways and might differently affect immunomodulatory activities of hPDLSCs. This study directly compared the effect of IFN-γ, TNF-α, or IL-1β treated primary hPDLSCs on allogenic CD4+ T lymphocyte proliferation and apoptosis in an indirect co-culture model. The effects of IFN-γ, TNF-α, and IL-1β on the expression of specific immunomodulatory factors such as intoleamine-2,3-dioxygenase-1 (IDO-1), prostaglandin E2 (PGE2), and programmed cell death 1 ligand 1 (PD-L1) and ligand 2 (PD-L2) in hPDLSCs were compared. The contribution of different immunomodulatory mediators to the immunomodulatory effects of hPDLSCs in the indirect co-culture experiments was assessed using specific inhibitors. Proliferation of CD4+ T lymphocytes was inhibited by hPDLSCs, and this effect was strongly enhanced by IFN-γ and IL-1β but not by TNF-α. Apoptosis of CD4+ T lymphocytes was decreased by hPDLSCs per se. This effect was counteracted by IFN-γ or IL-1β. Additionally, IFN-γ, TNF-α, and IL-1β differently regulated all investigated immunomediators in hPDLSCs. Pharmacological inhibition of immunomediators showed that their contribution in regulating CD4+ T lymphocytes depends on the cytokine milieu. Our data indicate that inflammatory cytokines activate specific immunomodulatory mechanisms in hPDLSCs and the expression of particular immunomodulatory factors, which underlies a complex reciprocal interaction between hPDLSCs and CD4+ T lymphocytes.
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19
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Behm C, Blufstein A, Gahn J, Kubin B, Moritz A, Rausch-Fan X, Andrukhov O. Pleiotropic effects of vitamin D 3 on CD4 + T lymphocytes mediated by human periodontal ligament cells and inflammatory environment. J Clin Periodontol 2020; 47:689-701. [PMID: 32160330 PMCID: PMC7318673 DOI: 10.1111/jcpe.13283] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 02/06/2020] [Accepted: 03/07/2020] [Indexed: 12/27/2022]
Abstract
Aims Both, vitamin D3 and human periodontal ligament cells (hPDLCs) possess immunosuppressive properties, but their combined effect on immune cells has never been investigated. Here, we analysed the impact of vitamin D3 on the immunosuppressive properties of hPDLCs towards CD4+ T lymphocytes. Material and Methods Allogenic CD4+ T lymphocytes were activated by phytohemagglutinin either in monoculture or co‐culture with hPDLCs, in the presence or absence of IFN‐γ and 1,25(OH)2D3. After 5 days, CD4+ T‐lymphocyte proliferation, CD4+ CD25+ FoxP3+ regulatory T lymphocytes (Tregs) proportion and IL‐10, TGF‐β1 and IL‐17A production were analysed. Results In monoculture, 1,25(OH)2D3 suppressed CD4+ T‐lymphocyte proliferation, increased the percentage of CD4+ FoxP3+ CD25+ FoxP3+ Tregs and enhanced IL‐10 and TGF‐β1 production. In the presence of IFN‐γ treated hPDLCs, 1,25(OH)2D3 significantly increased CD4+ T‐lymphocyte proliferation and decreased the percentage of CD4+ CD25+ FoxP3+ Tregs. IL‐10 and IL‐17A expression was significantly diminished by 1,25(OH)2D3, whereas TGF‐β1 was slightly increased. The effects of 1,25(OH)2D3 in co‐culture were reversed by inhibition of indoleamine‐2,3‐dioxygenase‐1, prostaglandin‐endoperoxide synthase and programmed cell death 1 ligand 1. 1,25(OH)2D3 also suppressed the expression of these proteins in hPDLCs. Conclusion Effects of vitamin D3 on CD4+ T lymphocyte are modified by hPDLCs depending on the microenvironment.
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Affiliation(s)
- Christian Behm
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Alice Blufstein
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Johannes Gahn
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Barbara Kubin
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Andreas Moritz
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Xiaohui Rausch-Fan
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Oleh Andrukhov
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
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20
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De D, Karmakar P, Bhattacharya D. Stem Cell Aging and Regenerative Medicine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1326:11-37. [PMID: 32910426 DOI: 10.1007/5584_2020_577] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Stem cells are a promising source for regenerative medicine to cure a plethora of diseases that are currently treated based on either palliative or symptomatic relief or by preventing their onset and progression. Aging-associated degenerative changes in stem cells, stem cell niches, and signaling pathways bring a step by step decline in the regenerative and functional potential of tissues. Clinical studies and experiments on model organisms have pointed out checkpoints that aging will inevitably impose on stem cell aiming for transplantation and hence questions are raised about the age of the donor. In the following discourse, we review the fundamental molecular pathways that are implicated in stem cell aging and the current progress in tissue engineering and transplantation of each type of stem cells in regenerative medicine. We further focus on the consequences of stem cell aging on their clinical uses and the development of novel strategies to bypass those pitfalls and improve tissue replenishment.
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Affiliation(s)
- Debojyoti De
- Department of Life science and Biotechnology, Jadavpur University, Kolkata, India
| | - Parimal Karmakar
- Department of Life science and Biotechnology, Jadavpur University, Kolkata, India
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1,25(OH) 2D 3 Differently Affects Immunomodulatory Activities of Mesenchymal Stem Cells Depending on the Presence of TNF-α, IL-1β and IFN-γ. J Clin Med 2019; 8:jcm8122211. [PMID: 31847340 PMCID: PMC6947512 DOI: 10.3390/jcm8122211] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 12/15/2022] Open
Abstract
Periodontal ligament-derived mesenchymal stem cells (hPDLSCs) possess immunomodulatory abilities which are strongly enhanced by various inflammatory cytokines. Vitamin D3 has anti-inflammatory effects on hPDLSCs and immune cells. However, no study to date has directly compared the influence of 1,25(OH)2D3 on the immunomodulatory activities of hPDLSCs in the presence of different cytokines. In the present study, the effects of hPDLSCs treated with tumor necrosis factor (TNF)-α, interleukin (IL)-1β, or interferon (IFN)-γ in the presence of 1,25(OH)2D3 on the proliferation of allogenic CD4+ T lymphocyte or on the functional status of primary CD68+ macrophages were analyzed in coculture models. Additionally, the effects of 1,25(OH)2D3 on TNF-α-, IL-1β-, and IFN-γ-induced gene expression of some immunomodulatory factors in hPDLSCs were compared. Under coculture conditions, 1,25(OH)2D3 increased or decreased CD4+ T lymphocyte proliferation via hPDLSCs, depending on the cytokine. hPDLSCs primed with 1,25(OH)2D3 and different cytokines affected pro- and anti-inflammatory cytokine expression in macrophages variably, depending on the priming cytokine. With one exception, 1,25(OH)2D3 significantly reduced TNF-α-, IL-1β-, and IFN-γ-induced expression of all the investigated immunomediators in hPDLSCs, albeit to different extents. These results suggest that 1,25(OH)2D3 influences the immunomodulatory activities of hPDLSCs depending qualitatively and quantitatively on the presence of certain inflammatory cytokines.
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22
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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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23
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Patil VR, Kharat AH, Kulkarni DG, Kheur SM, Bhonde RR. Long term explant culture for harvesting homogeneous population of human dental pulp stem cells. Cell Biol Int 2019; 42:1602-1610. [PMID: 30353965 DOI: 10.1002/cbin.11065] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 10/12/2018] [Indexed: 01/09/2023]
Abstract
Dental pulp stem cells have emerged as a preferred source of mesenchymal stem cells, because of its easy availability and high stem cell content. Dental pulp is a specific fibrous tissue that contains heterogeneous populations of odontoblasts, fibroblasts, pericytes, progenitors, stem cells, leukocytes and neuronal cells. In this study, we propose sustained explant culture as a simple, economical and efficient process to isolate dental pulp stem cells from human Dental pulp Tissue. Historically explant cultures were used to get fibroblast cells from embryonic chick heart using plasma clot cultures. The subculture was performed by lifting mother explant (original explant) and grafting it in a new plasma clot. We modified this age old technique to suit the modern times. Here we demonstrate for the first time that the mother explant (E0) of human dental pulp tissue could be sub-cultured consecutively seven times (E7) without displacement. This technique is highly reproducible and permits growth and proliferation of dental pulp stem cells yielding an enriched homogeneous mesenchymal stem cells population in the first passage itself as revealed by surface marker expression. These dental pulp stem cells exhibit differentiation into adipogenic, chondrogenic and osteogenic lineage revealing their mesenchymal stem cell nature. We propose that dental pulp stem cells isolated by sustained explant culture are phenotypically and functionally comparable to those obtained by enzymatic method. It is a simple, inexpensive and gentle method, which may be preferred over the conventional techniques for obtaining stem cells from other tissue sources as well especially in cases of limited starting material.
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Affiliation(s)
- Vikrant R Patil
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Avinash H Kharat
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Deepak G Kulkarni
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Supriya M Kheur
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
| | - Ramesh R Bhonde
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, 411018, India
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24
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Kukolj T, Trivanović D, Mojsilović S, Okić Djordjević I, Obradović H, Krstić J, Jauković A, Bugarski D. IL-33 guides osteogenesis and increases proliferation and pluripotency marker expression in dental stem cells. Cell Prolif 2018; 52:e12533. [PMID: 30430681 PMCID: PMC6430470 DOI: 10.1111/cpr.12533] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/03/2018] [Accepted: 08/28/2018] [Indexed: 12/12/2022] Open
Abstract
Objectives Soluble IL‐33 (interleukin (IL)‐1‐like cytokine) acts as endogenous alarm signal (alarmin). Since alarmins, besides activating immune system, act to restore tissue homeostasis, we investigated whether IL‐33 exerts beneficial effects on oral stem cell pull. Materials and Methods Clonogenicity, proliferation, differentiation and senescence of stem cells derived from human periodontal ligament (PDLSCs) and dental pulp (DPSCs) were determined after in vitro exposure to IL‐33. Cellular changes were detected by flow cytometry, Western blot, immunocytochemistry and semiquantitative RT‐PCR. Results IL‐33 stimulated proliferation, clonogenicity and expression of pluripotency markers, OCT‐4, SOX‐2 and NANOG, but it inhibited ALP activity and mineralization in both PDLSCs and DPSCs. Higher Ki67 expression and reduced β‐galactosidase activity in IL‐33‐treated cells were demonstrated, whereas these trends were more conspicuous in osteogenic medium. However, after 7‐day IL‐33 pretreatment, differentiation capacity of IL‐33‐pretreated cells was retained, and increased ALP activity was observed in both cell types. Results showed that IL‐33 regulates NF‐κB and β‐catenin signalling, indicating the association of these molecules with changes observed in IL‐33‐treated PDLSCs and DPSCs, particularly their proliferation, pluripotency‐associated marker expression and osteogenesis. Conclusions IL‐33 treatment impairs osteogenesis of PDLSCs and DPSCs, while increases their clonogenicity, proliferation and pluripotency marker expression. After exposure to IL‐33, osteogenic capacity of cells stayed intact. NF‐κB and β‐catenin are implicated in the effects achieved by IL‐33 in PDLSCs and DPSCs.
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Affiliation(s)
- Tamara Kukolj
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Drenka Trivanović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Slavko Mojsilović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Ivana Okić Djordjević
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Hristina Obradović
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Jelena Krstić
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Jauković
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Diana Bugarski
- Laboratory for Experimental Hematology and Stem Cells, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
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25
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Kérourédan O, Ribot EJ, Fricain JC, Devillard R, Miraux S. Magnetic Resonance Imaging for tracking cellular patterns obtained by Laser-Assisted Bioprinting. Sci Rep 2018; 8:15777. [PMID: 30361490 PMCID: PMC6202323 DOI: 10.1038/s41598-018-34226-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 10/10/2018] [Indexed: 12/24/2022] Open
Abstract
Recent advances in the field of Tissue Engineering allowed to control the three-dimensional organization of engineered constructs. Cell pattern imaging and in vivo follow-up remain a major hurdle in in situ bioprinting onto deep tissues. Magnetic Resonance Imaging (MRI) associated with Micron-sized superParamagnetic Iron Oxide (MPIO) particles constitutes a non-invasive method for tracking cells in vivo. To date, no studies have utilized Cellular MRI as a tool to follow cell patterns obtained via bioprinting technologies. Laser-Assisted Bioprinting (LAB) has been increasingly recognized as a new and exciting addition to the bioprinting’s arsenal, due to its rapidity, precision and ability to print viable cells. This non-contact technology has been successfully used in recent in vivo applications. The aim of this study was to assess the methodology of tracking MPIO-labeled stem cells using MRI after organizing them by Laser-Assisted Bioprinting. Optimal MPIO concentrations for tracking bioprinted cells were determined. Accuracy of printed patterns was compared using MRI and confocal microscopy. Cell densities within the patterns and MRI signals were correlated. MRI enabled to detect cell patterns after in situ bioprinting onto a mouse calvarial defect. Results demonstrate that MRI combined with MPIO cell labeling is a valuable technique to track bioprinted cells in vitro and in animal models.
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Affiliation(s)
- Olivia Kérourédan
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France. .,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France.
| | - Emeline Julie Ribot
- Centre de Résonance Magnétique des Systèmes Biologiques, UMR5536, CNRS/Univ. Bordeaux, F-33076, Bordeaux, France
| | - Jean-Christophe Fricain
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France.,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France.,ART BioPrint, INSERM, U1026, F-33076, Bordeaux, France
| | - Raphaël Devillard
- INSERM, Bioingénierie Tissulaire, U1026, F-33076, Bordeaux, France.,CHU de Bordeaux, Services d'Odontologie et de Santé Buccale, F-33076, Bordeaux, France
| | - Sylvain Miraux
- Centre de Résonance Magnétique des Systèmes Biologiques, UMR5536, CNRS/Univ. Bordeaux, F-33076, Bordeaux, France
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26
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Proksch S, Galler KM. Scaffold Materials and Dental Stem Cells in Dental Tissue Regeneration. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s40496-018-0197-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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27
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Wang Y, Lu Y, Li Z, Zhou Y, Gu Y, Pang X, Wu J, Gobin R, Yu J. Oestrogen receptor α regulates the odonto/osteogenic differentiation of stem cells from apical papilla via ERK and JNK MAPK pathways. Cell Prolif 2018; 51:e12485. [PMID: 30069950 DOI: 10.1111/cpr.12485] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 05/24/2018] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVES Oestrogen receptor (ER) is a common nucleus receptor that is essential for the regulation of cell growth, proliferation and differentiation. This study was to examine whether ERα can affect the proliferation and odonto/osteogenic differentiation of stem cells from apical papilla (SCAPs). MATERIALS AND METHODS Stem cells from apical papillas were isolated, purified and then transfected with ERα lentiviruses. The proliferation capacity was investigated by cell counting kit-8 (CCK-8) assay and flow cytometry. The odonto/osteogenic differentiation ability was analysed by alkaline phosphatase (ALP) activity, alizarin red staining, western blot assay (WB) and real-time RT-PCR. MAPK pathway and its downstream transcriptional factors were explored by WB assay. RESULTS As indicated by CCK-8 assay and flow cytometry, ERα had no significant effect on the proliferation of SCAPs. When ERα was overexpressed, the ALP activity and the formation of calcified nodules were significantly enhanced in SCAPs. Moreover, the odonto/osteogenic markers (DMP1/DMP1, DSPP/DSP, RUNX2/RUNX2, OCN/OCN) in SCAPs were significantly up-regulated at both mRNA and protein levels. On the contrary, the odonto/osteogenic differentiation ability of SCAPs was remarkably inhibited after suppression of ERα. Mechanistically, the protein levels of phosphorylated ERK and JNK significantly increased after ERα overexpression. Moreover, some downstream transcriptional factors of MAPK pathway were simultaneously activated by ERα overexpression. CONCLUSIONS Together, the data accumulated here indicated that ERα can enhance the odonto/osteogenic differentiation of SCAPs via ERK and JNK MAPK pathways.
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Affiliation(s)
- Yanqiu Wang
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yadie Lu
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department of the West Branch of Hangzhou Dental Hospital, Hangzhou, Zhejiang, China
| | - Zehan Li
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yixiang Zhou
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,IVY Dental Clinic, Hangzhou, Zhejiang, China
| | - Yongchun Gu
- Department of Dentistry and Central Laboratory, The First People's Hospital of Wujiang District, Nantong University, Suzhou, Nantong, China
| | - Xiyao Pang
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jintao Wu
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Romila Gobin
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jinhua Yu
- Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute of Nanjing Medical University, Nanjing, Jiangsu, China.,Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
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28
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Comparative differentiation analysis of distinct oral tissue-derived cells in response to osteogenic stimulation. Clin Oral Investig 2018; 23:1077-1089. [PMID: 29955966 DOI: 10.1007/s00784-018-2529-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 06/18/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Mixed cell populations from oral tissues may be superior to pure stem cells for regenerative approaches. Therefore, the aim of the present study was to explore the osteogenic potential of mixed cells derived from oral connective tissues compared to alveolar osteoblasts. MATERIALS AND METHODS Primary cells were isolated from the alveolar bone, periodontal ligament and gingiva. Following characterization by colony formation, growth capacity and flow cytometry, all cells were subjected to osteogenic differentiation induction and screened for a large panel of osteogenic markers using western blots, qPCR arrays, and matrix mineralization and alkaline phosphatase quantification. RESULTS Non-induced mixed cells from gingiva showed higher colony formation efficiency but decreased proliferation compared to non-induced periodontal mixed cells, while both entities revealed similar surface markers tested in this setup. Following osteogenic induction, all cell populations individually expressed receptors with distinctively activated downstream effectors. Gene expression of induced periodontal mixed cells was similar to alveolar osteoblasts, but was differently modulated in gingival mixed cells. The latter failed to achieve osteogenic differentiation in terms of matrix mineralization and alkaline phosphatase activity, which was well observed in periodontal mixed cells and osteoblasts. CONCLUSION Mixed cells from periodontal ligament but not from gingiva feature an inherent osteogenic capacity in vitro. From these results, it can be concluded that periodontal cells do not require further stem cell enrichment in order to qualify for bone regeneration. CLINICAL RELEVANCE Our data contribute to the development of novel cell-based therapies using mixed cells from the periodontal ligament in regenerative periodontics.
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29
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Giacomelli C, Natali L, Nisi M, De Leo M, Daniele S, Costa B, Graziani F, Gabriele M, Braca A, Trincavelli ML, Martini C. Negative effects of a high tumour necrosis factor-α concentration on human gingival mesenchymal stem cell trophism: the use of natural compounds as modulatory agents. Stem Cell Res Ther 2018; 9:135. [PMID: 29751776 PMCID: PMC5948671 DOI: 10.1186/s13287-018-0880-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 04/08/2018] [Accepted: 04/19/2018] [Indexed: 12/31/2022] Open
Abstract
Background Adult mesenchymal stem cells (MSCs) play a crucial role in the maintenance of tissue homeostasis and in regenerative processes. Among the different MSC types, the gingiva-derived mesenchymal stem cells (GMSCs) have arisen as a promising tool to promote the repair of damaged tissues secreting trophic mediators that affect different types of cells involved in regenerative processes. Tumour necrosis factor (TNF)-α is one of the key mediators of inflammation that could affect tissue regenerative processes and modify the MSC properties in in-vitro applications. To date, no data have been reported on the effects of TNF-α on GMSC trophic activities and how its modulation with anti-inflammatory agents from natural sources could modulate the GMSC properties. Methods GMSCs were isolated and characterized from healthy subjects. The effects of TNF-α were evaluated on GMSCs and on the well-being of endothelial cells. The secretion of cytokines was measured and related to the modification of GMSC-endothelial cell communication using a conditioned-medium method. The ability to modify the inflammatory response was evaluated in the presence of Ribes nigrum bud extract (RBE). Results TNF-α differently affected GMSC proliferation and the expression of inflammatory-related proteins (interleukin (IL)-6, IL-10, transforming growth factor (TGF)-β, and cyclooxygenase (COX)-2) dependent on its concentration. A high TNF-α concentration decreased the GMSC viability and impaired the positive cross-talk between GMSCs and endothelial cells, probably by enhancing the amount of pro-inflammatory cytokines in the GMSC secretome. RBE restored the beneficial effects of GMSCs on endothelial viability and motility under inflammatory conditions. Conclusions A high TNF-α concentration decreased the well-being of GMSCs, modifying their trophic activities and decreasing endothelial cell healing. These data highlight the importance of controlling TNF-α concentrations to maintain the trophic activity of GMSCs. Furthermore, the use of natural anti-inflammatory agents restored the regenerative properties of GMSCs on endothelial cells, opening the way to the use and development of natural extracts in wound healing, periodontal regeneration, and tissue-engineering applications that use MSCs. Electronic supplementary material The online version of this article (10.1186/s13287-018-0880-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chiara Giacomelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Letizia Natali
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Marco Nisi
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
| | - Marinella De Leo
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy.,Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute", University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - Simona Daniele
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Barbara Costa
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Filippo Graziani
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Savi 10, 56126, Pisa, Italy.,Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute", University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - Mario Gabriele
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
| | - Alessandra Braca
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy.,Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute", University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - M Letizia Trincavelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy. .,Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute", University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy.
| | - Claudia Martini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy.,Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute", University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
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30
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A High-Resolution Proteomic Landscaping of Primary Human Dental Stem Cells: Identification of SHED- and PDLSC-Specific Biomarkers. Int J Mol Sci 2018; 19:ijms19010158. [PMID: 29304003 PMCID: PMC5796107 DOI: 10.3390/ijms19010158] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/25/2017] [Accepted: 12/29/2017] [Indexed: 02/06/2023] Open
Abstract
Dental stem cells (DSCs) have emerged as a promising tool for basic research and clinical practice. A variety of adult stem cell (ASC) populations can be isolated from different areas within the dental tissue, which, due to their cellular and molecular characteristics, could give rise to different outcomes when used in potential applications. In this study, we performed a high-throughput molecular comparison of two primary human adult dental stem cell (hADSC) sub-populations: Stem Cells from Human Exfoliated Deciduous Teeth (SHEDs) and Periodontal Ligament Stem Cells (PDLSCs). A detailed proteomic mapping of SHEDs and PDLSCs, via employment of nano-LC tandem-mass spectrometry (MS/MS) revealed 2032 identified proteins in SHEDs and 3235 in PDLSCs. In total, 1516 proteins were expressed in both populations, while 517 were unique for SHEDs and 1721 were exclusively expressed in PDLSCs. Further analysis of the recorded proteins suggested that SHEDs predominantly expressed molecules that are involved in organizing the cytoskeletal network, cellular migration and adhesion, whereas PDLSCs are highly energy-producing cells, vastly expressing proteins that are implicated in various aspects of cell metabolism and proliferation. Applying the Rho-GDI signaling pathway as a paradigm, we propose potential biomarkers for SHEDs and for PDLSCs, reflecting their unique features, properties and engaged molecular pathways.
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31
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Yusof MFH, Zahari W, Hashim SNM, Osman ZF, Chandra H, Kannan TP, Noordin KBAA, Azlina A. Angiogenic and osteogenic potentials of dental stem cells in bone tissue engineering. J Oral Biol Craniofac Res 2018; 8:48-53. [PMID: 29556464 PMCID: PMC5854554 DOI: 10.1016/j.jobcr.2017.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 10/18/2017] [Indexed: 02/07/2023] Open
Abstract
Manipulation of dental stem cells (DSCs) using current technologies in tissue engineering unveil promising prospect in regenerative medicine. DSCs have shown to possess angiogenic and osteogenic potential in both in vivo and in vitro. Neural crest derived DSCs can successfully be isolated from various dental tissues, exploiting their intrinsic great differentiation potential. In this article, researcher team intent to review the characteristics of DSCs, with focus on their angiogenic and osteogenic differentiation lineage. Clinical data on DSCs are still lacking to prove their restorative abilities despite extensive contemporary literature, warranting research to further validate their application for bone tissue engineering.
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Affiliation(s)
- Muhammad Fuad Hilmi Yusof
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Wafa’ Zahari
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Siti Nurnasihah Md Hashim
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Zul Faizuddin Osman
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hamshawagini Chandra
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Thirumulu Ponnuraj Kannan
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
- Human Genome Center, School of Medical Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | | | - Ahmad Azlina
- Basic Sciences and Oral Biology Unit, School of Dental Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
- Human Genome Center, School of Medical Sciences, USM Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
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32
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Bakopoulou A, Apatzidou D, Aggelidou E, Gousopoulou E, Leyhausen G, Volk J, Kritis A, Koidis P, Geurtsen W. Isolation and prolonged expansion of oral mesenchymal stem cells under clinical-grade, GMP-compliant conditions differentially affects "stemness" properties. Stem Cell Res Ther 2017; 8:247. [PMID: 29096714 PMCID: PMC5667471 DOI: 10.1186/s13287-017-0705-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/17/2017] [Accepted: 10/19/2017] [Indexed: 02/08/2023] Open
Abstract
Background Development of clinical-grade cell preparations is central to meeting the regulatory requirements for cellular therapies under good manufacturing practice-compliant (cGMP) conditions. Since addition of animal serum in culture media may compromise safe and efficient expansion of mesenchymal stem cells (MSCs) for clinical use, this study aimed to investigate the potential of two serum/xeno-free, cGMP culture systems to maintain long-term “stemness” of oral MSCs (dental pulp stem cells (DPSCs) and alveolar bone marrow MSCs (aBMMSCs)), compared to conventional serum-based expansion. Methods DPSC and aBMMSC cultures (n = 6/cell type) were established from pulp and alveolar osseous biopsies respectively. Three culture systems were used: StemPro_MSC/SFM_XenoFree (Life Technologies); StemMacs_MSC/XF (Miltenyi Biotek); and α-MEM (Life Technologies) with 15% fetal bovine serum. Growth (population doublings (PDs)), immunophenotypic (flow cytometric analysis of MSC markers) and senescence (β-galactosidase (SA-β-gal) activity; telomere length) characteristics were determined during prolonged expansion. Gene expression patterns of osteogenic (ALP, BMP-2), adipogenic (LPL, PPAR-γ) and chondrogenic (ACAN, SOX-9) markers and maintenance of multilineage differentiation potential were determined by real-time PCR. Results Similar isolation efficiency and stable growth dynamics up to passage 10 were observed for DPSCs under all expansion conditions. aBMMSCs showed lower cumulative PDs compared to DPSCs, and when StemMacs was used substantial delays in cell proliferation were noted after passages 6–7. Serum/xeno-free expansion produced cultures with homogeneous spindle-shaped phenotypes, while serum-based expansion preserved differential heterogeneous characteristics of each MSC population. Prolonged expansion of both MSC types but in particular the serum/xeno-free-expanded aBMMSCs was associated with downregulation of CD146, CD105, Stro-1, SSEA-1 and SSEA-4, but not CD90, CD73 and CD49f, in parallel with an increase of SA-gal-positive cells, cell size and granularity and a decrease in telomere length. Expansion under both serum-free systems resulted in “osteogenic pre-disposition”, evidenced by upregulation of osteogenic markers and elimination of chondrogenic and adipogenic markers, while serum-based expansion produced only minor changes. DPSCs retained a diminishing (CCM, StemPro) or increasing (StemMacs) mineralization potential with passaging, while aBMMSCs lost this potential after passages 6–7 under all expansion conditions. Conclusions These findings indicate there is still a vacant role for development of qualified protocols for clinical-grade expansion of oral MSCs; a key milestone achievement for translation of research from the bench to clinics. Electronic supplementary material The online version of this article (doi:10.1186/s13287-017-0705-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Athina Bakopoulou
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), GR-54124, Thessaloniki, Greece. .,cGMP Regenerative Medicine Facility, Department of Physiology and Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece. .,Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School (MHH), Hannover, Germany.
| | - Danae Apatzidou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece
| | - Eleni Aggelidou
- Department of Physiology and Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece.,cGMP Regenerative Medicine Facility, Department of Physiology and Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece
| | - Evangelia Gousopoulou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece.,Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School (MHH), Hannover, Germany
| | - Gabriele Leyhausen
- Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School (MHH), Hannover, Germany
| | - Joachim Volk
- Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School (MHH), Hannover, Germany
| | - Aristeidis Kritis
- Department of Physiology and Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece.,cGMP Regenerative Medicine Facility, Department of Physiology and Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), Thessaloniki, Greece
| | - Petros Koidis
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (A.U.Th), GR-54124, Thessaloniki, Greece
| | - Werner Geurtsen
- Department of Conservative Dentistry, Periodontology and Preventive Dentistry, Hannover Medical School (MHH), Hannover, Germany
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Human Dental Pulp Cells Differentiate toward Neuronal Cells and Promote Neuroregeneration in Adult Organotypic Hippocampal Slices In Vitro. Int J Mol Sci 2017; 18:ijms18081745. [PMID: 28800076 PMCID: PMC5578135 DOI: 10.3390/ijms18081745] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 08/08/2017] [Accepted: 08/08/2017] [Indexed: 12/11/2022] Open
Abstract
The adult mammalian central nerve system has fundamental difficulties regarding effective neuroregeneration. The aim of this study is to investigate whether human dental pulp cells (DPCs) can promote neuroregeneration by (i) being differentiated toward neuronal cells and/or (ii) stimulating local neurogenesis in the adult hippocampus. Using immunostaining, we demonstrated that adult human dental pulp contains multipotent DPCs, including STRO-1, CD146 and P75-positive stem cells. DPC-formed spheroids were able to differentiate into neuronal, vascular, osteogenic and cartilaginous lineages under osteogenic induction. However, under neuronal inductive conditions, cells in the DPC-formed spheroids differentiated toward neuronal rather than other lineages. Electrophysiological study showed that these cells consistently exhibit the capacity to produce action potentials, suggesting that they have a functional feature in neuronal cells. We further co-cultivated DPCs with adult mouse hippocampal slices on matrigel in vitro. Immunostaining and presto blue assay showed that DPCs were able to stimulate the growth of neuronal cells (especially neurons) in both the CA1 zone and the edges of the hippocampal slices. Brain-derived neurotrophic factor (BDNF), was expressed in co-cultivated DPCs. In conclusion, our data demonstrated that DPCs are well-suited to differentiate into the neuronal lineage. They are able to stimulate neurogenesis in the adult mouse hippocampus through neurotrophic support in vitro.
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Mortada I, Mortada R, Al Bazzal M. Dental pulp stem cells and the management of neurological diseases: An update. J Neurosci Res 2017; 96:265-272. [PMID: 28736906 DOI: 10.1002/jnr.24122] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/05/2017] [Accepted: 07/05/2017] [Indexed: 01/08/2023]
Abstract
Medical research in regenerative medicine has brought promising perspectives for the use of stem cells in clinical trials. Stem cells are undifferentiated cells capable of multilineage differentiation and available in numerous sources in the human body. Dental pulp constitutes an attractive source of these cells since collecting mesenchymal stem cells from this site is a noninvasive practice that can be performed after a common surgical extraction of supernumerary or wisdom teeth. Thus, tissue sacrifice is very low and several cytotypes can be obtained owing to these cells' multipotency, in addition to the fact that they can be cryopreserved and stored for long periods. Mesenchymal stem cells have high proliferation rates, making them favorable for clinical application. These multipotent cells, present in biological waste, constitute an appropriate resource in the treatment of many neurological diseases.
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Affiliation(s)
- Ibrahim Mortada
- Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Rola Mortada
- Lebanese University School of Dentistry, Beirut, Lebanon
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Soundara Rajan T, Giacoppo S, Scionti D, Diomede F, Grassi G, Pollastro F, Piattelli A, Bramanti P, Mazzon E, Trubiani O. Cannabidiol Activates Neuronal Precursor Genes in Human Gingival Mesenchymal Stromal Cells. J Cell Biochem 2016; 118:1531-1546. [PMID: 27918106 DOI: 10.1002/jcb.25815] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 11/28/2016] [Indexed: 12/18/2022]
Abstract
In the last years, mesenchymal stromal cells (MSCs) from oral tissues have received considerable interest in regenerative medicine since they can be obtained with minimal invasive procedure and exhibit immunomodulatory properties. This study was aimed to investigate whether in vitro pre-treatment of MSCs obtained from human gingiva (hGMSCs) with Cannabidiol (CBD), a cannabinoid component produced by the plant Cannabis sativa, may promote human gingiva derived MSCs to differentiate toward neuronal precursor cells. Specifically, we have treated the hGMSCs with CBD (5 µM) for 24 h in order to evaluate the expression of genes involved in cannabidiol signaling, cell proliferation, self-renewal and multipotency, and neural progenitor cells differentiation. Next generation sequencing (NGS) demonstrated that CBD activates genes associated with G protein coupled receptor signaling in hGMSCs. Genes involved in DNA replication, cell cycle, proliferation, and apoptosis were regulated. Moreover, genes associated with the biological process of neuronal progenitor cells (NCPs) proliferation, neuron differentiation, neurogenesis, and nervous system development were significantly modulated. From our results, we hypothesize that human gingiva-derived MSCs conditioned with CBD could represent a valid method for improving the hGMSCs phenotype and thus might be a potential therapeutic tool in the treatment of neurodegenerative diseases. J. Cell. Biochem. 118: 1531-1546, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | | | | | - Francesca Diomede
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio", Chieti 66100, Italy
| | - Gianpaolo Grassi
- Council for Research and Experimentation in Agriculture-Research Centre for Industrial Crops (CRA-CIN), Rovigo, Italy
| | - Federica Pollastro
- Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, Novara 28100, Italy
| | - Adriano Piattelli
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio", Chieti 66100, Italy
| | | | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", Messina 98124, Italy
| | - Oriana Trubiani
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio", Chieti 66100, Italy
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Libro R, Scionti D, Diomede F, Marchisio M, Grassi G, Pollastro F, Piattelli A, Bramanti P, Mazzon E, Trubiani O. Cannabidiol Modulates the Immunophenotype and Inhibits the Activation of the Inflammasome in Human Gingival Mesenchymal Stem Cells. Front Physiol 2016; 7:559. [PMID: 27932991 PMCID: PMC5121123 DOI: 10.3389/fphys.2016.00559] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 11/04/2016] [Indexed: 01/05/2023] Open
Abstract
Human Gingival Mesenchymal Stem Cells (hGMSCs) are multipotential cells that can expand and differentiate in culture under specific and standardized conditions. In the present study, we have investigated whether in vitro pre-treatment of hGMSCs with Cannabidiol (CBD) can influence their expression profile, improving the therapeutic potential of this cell culture. Following CBD treatment (5 μM) for 24 h, gene expression analysis through Next Generation Sequencing (NGS) has revealed several genes differentially expressed between CBD-treated hGMSCs (CBD-hGMSCs) and control cells (CTR-hGMSCs) that were linked to inflammation and apoptosis. In particular, we have demonstrated that CBD treatment in hGMSCs prevented the activation of the NALP3-inflammasome pathway by suppressing the levels of NALP3, CASP1, and IL18, and in parallel, inhibited apoptosis, as demonstrated by the suppression of Bax. CBD treatment was also able to modulate the expression of the well-known mesenchymal stem cell markers (CD13, CD29, CD73, CD44, CD90, and CD166), and other surface antigens. Specifically, CBD led to the downregulation of genes codifying for antigens involved in the activation of the immune system (CD109, CD151, CD40, CD46, CD59, CD68, CD81, CD82, CD99), while it led to the upregulation of those implicated in the inhibition of the immune responses (CD47, CD55, CD276). In conclusion, the present study will provide a new simple and reproducible method for preconditioning hGMSCs with CBD, before transplantation, as an interesting strategy for improving the hGMSCs molecular phenotype, reducing the risk of immune or inflammatory reactions in the host, and in parallel, for increasing their survival and thus, their long-term therapeutic efficacy.
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Affiliation(s)
- Rosaliana Libro
- Experimental Neurology Laboratory, IRCCS Centro Neurolesi “Bonino-Pulejo”Messina, Italy
| | - Domenico Scionti
- Experimental Neurology Laboratory, IRCCS Centro Neurolesi “Bonino-Pulejo”Messina, Italy
| | - Francesca Diomede
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University “G. d'Annunzio”Chieti-Pescara, Chieti, Italy
| | - Marco Marchisio
- Department of Medicine and Aging Sciences, University “G. d'Annunzio”Chieti-Pescara, Chieti, Italy
| | - Gianpaolo Grassi
- Council for Research and Experimentation in Agriculture - Research Centre for Industrial Crops (CRA-CIN)Rovigo, Italy
| | - Federica Pollastro
- Dipartimento di Scienze del Farmaco, Università del Piemonte OrientaleNovara, Italy
| | - Adriano Piattelli
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University “G. d'Annunzio”Chieti-Pescara, Chieti, Italy
| | - Placido Bramanti
- Experimental Neurology Laboratory, IRCCS Centro Neurolesi “Bonino-Pulejo”Messina, Italy
| | - Emanuela Mazzon
- Experimental Neurology Laboratory, IRCCS Centro Neurolesi “Bonino-Pulejo”Messina, Italy
| | - Oriana Trubiani
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University “G. d'Annunzio”Chieti-Pescara, Chieti, Italy
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Stem Cells of Dental Origin: Current Research Trends and Key Milestones towards Clinical Application. Stem Cells Int 2016; 2016:4209891. [PMID: 27818690 PMCID: PMC5081960 DOI: 10.1155/2016/4209891] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 09/14/2016] [Indexed: 12/17/2022] Open
Abstract
Dental Mesenchymal Stem Cells (MSCs), including Dental Pulp Stem Cells (DPSCs), Stem Cells from Human Exfoliated Deciduous teeth (SHED), and Stem Cells From Apical Papilla (SCAP), have been extensively studied using highly sophisticated in vitro and in vivo systems, yielding substantially improved understanding of their intriguing biological properties. Their capacity to reconstitute various dental and nondental tissues and the inherent angiogenic, neurogenic, and immunomodulatory properties of their secretome have been a subject of meticulous and costly research by various groups over the past decade. Key milestone achievements have exemplified their clinical utility in Regenerative Dentistry, as surrogate therapeutic modules for conventional biomaterial-based approaches, offering regeneration of damaged oral tissues instead of simply “filling the gaps.” Thus, the essential next step to validate these immense advances is the implementation of well-designed clinical trials paving the way for exploiting these fascinating research achievements for patient well-being: the ultimate aim of this ground breaking technology. This review paper presents a concise overview of the major biological properties of the human dental MSCs, critical for the translational pathway “from bench to clinic.”
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Zhang F, Song J, Zhang H, Huang E, Song D, Tollemar V, Wang J, Wang J, Mohammed M, Wei Q, Fan J, Liao J, Zou Y, Liu F, Hu X, Qu X, Chen L, Yu X, Luu HH, Lee MJ, He TC, Ji P. Wnt and BMP Signaling Crosstalk in Regulating Dental Stem Cells: Implications in Dental Tissue Engineering. Genes Dis 2016; 3:263-276. [PMID: 28491933 PMCID: PMC5421560 DOI: 10.1016/j.gendis.2016.09.004] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Tooth is a complex hard tissue organ and consists of multiple cell types that are regulated by important signaling pathways such as Wnt and BMP signaling. Serious injuries and/or loss of tooth or periodontal tissues may significantly impact aesthetic appearance, essential oral functions and the quality of life. Regenerative dentistry holds great promise in treating oral/dental disorders. The past decade has witnessed a rapid expansion of our understanding of the biological features of dental stem cells, along with the signaling mechanisms governing stem cell self-renewal and differentiation. In this review, we first summarize the biological characteristics of seven types of dental stem cells, including dental pulp stem cells, stem cells from apical papilla, stem cells from human exfoliated deciduous teeth, dental follicle precursor cells, periodontal ligament stem cells, alveolar bone-derived mesenchymal stem cells (MSCs), and MSCs from gingiva. We then focus on how these stem cells are regulated by bone morphogenetic protein (BMP) and/or Wnt signaling by examining the interplays between these pathways. Lastly, we analyze the current status of dental tissue engineering strategies that utilize oral/dental stem cells by harnessing the interplays between BMP and Wnt pathways. We also highlight the challenges that must be addressed before the dental stem cells may reach any clinical applications. Thus, we can expect to witness significant progresses to be made in regenerative dentistry in the coming decade.
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Affiliation(s)
- Fugui Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Jinglin Song
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China
| | - Hongmei Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Enyi Huang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Dongzhe Song
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Department of Conservative Dentistry and Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Viktor Tollemar
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Jing Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Jinhua Wang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Maryam Mohammed
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Qiang Wei
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Jiaming Fan
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Junyi Liao
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Yulong Zou
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Feng Liu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Xue Hu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Xiangyang Qu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Liqun Chen
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Xinyi Yu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Hue H Luu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Michael J Lee
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA
| | - Tong-Chuan He
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL 60637, USA.,Ministry of Education Key Laboratory of Diagnostic Medicine, and the Affiliated Hospitals of Chongqing Medical University, Chongqing 400016, China
| | - Ping Ji
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, and the Affiliated Hospital of Stomatology of Chongqing Medical University, Chongqing 401147, China
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Yang J, Yuan G, Chen Z. Pulp Regeneration: Current Approaches and Future Challenges. Front Physiol 2016; 7:58. [PMID: 27014076 PMCID: PMC4779938 DOI: 10.3389/fphys.2016.00058] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 02/05/2016] [Indexed: 01/06/2023] Open
Abstract
Regenerative endodontics aims to replace inflamed/necrotic pulp tissues with regenerated pulp-like tissues to revitalize teeth and improve life quality. Pulp revascularization case reports, which showed successful clinical and radiographic outcomes, indicated the possible clinical application of pulp regeneration via cell homing strategy. From a clinical point of view, functional pulp-like tissues should be regenerated with the characterization of vascularization, re-innervation, and dentin deposition with a regulated rate similar to that of normal pulp. Efficient root canal disinfection and proper size of the apical foramen are the two requisite preconditions for pulp regeneration. Progress has been made on pulp regeneration via cell homing strategies. This review focused on the requisite preconditions and cell homing strategies for pulp regeneration. In addition to the traditionally used mechanical preparation and irrigation, antibiotics, irrigation assisted with EndoVac apical negative-pressure system, and ultrasonic and laser irradiation are now being used in root canal disinfection. In addition, pulp-like tissues could be formed with the apical foramen less than 1 mm, although more studies are needed to determine the appropriate size. Moreover, signaling molecules including stromal cell derived factor (SDF-1α), basic Fibroblast Growth Factor (bFGF), Platelet Derived Growth Factor (PDGF), stem cell factor (SCF), and Granulocyte Colony-Stimulating Factor (G-CSF) were used to achieve pulp-like tissue formation via a cell homing strategy. Studies on the cell sources of pulp regeneration might give some indications on the signaling molecular selection. The active recruitment of endogenous cells into root canals to regenerate pulp-like tissues is a novel concept that may offer an unprecedented opportunity for the near-term clinical translation of current biology-based therapies for dental pulp regeneration.
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Affiliation(s)
- Jingwen Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan UniversityWuhan, China; Department of Pediatric Dentistry, School and Hospital of Stomatology, Wuhan UniversityWuhan, China
| | - Guohua Yuan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan UniversityWuhan, China; Department of Pediatric Dentistry, School and Hospital of Stomatology, Wuhan UniversityWuhan, China
| | - Zhi Chen
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University Wuhan, China
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40
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Maxim MA, Soritau O, Baciut M, Bran S, Baciut G. The role of dental stem cells in regeneration. ACTA ACUST UNITED AC 2015; 88:479-82. [PMID: 26733745 PMCID: PMC4689240 DOI: 10.15386/cjmed-475] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/27/2015] [Accepted: 08/20/2015] [Indexed: 12/29/2022]
Abstract
Mesenchymal stem cells (MSCs) are adult stem cells that have the capacity of rising multiple cell types. A rich source of mesenchymal stem cells is represented by the dental tissues: the periodontal ligament, the dental pulp, the apical papilla, the dental follicle and the deciduous teeth. The aim of this review is to characterize the main dental- derived mesenchymal stem cell population, and to show their important role in tissue regeneration based on their properties : the multi-potency, the high proliferation rate, the differentiation in multiple cell lineages, the high cell viability and the positive expression for mesenchymal cell markers. Tissue regeneration or de novo’ formation of craniofacial structures is the future of regenerative medicine, offering a solution for congenital malformations, traumas and other diseases.
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Affiliation(s)
| | - Olga Soritau
- Prof. Dr. Ion Chiricuta Institute of Oncology, Cluj-Napoca, Romania
| | - Mihaela Baciut
- Department of Cranio-Maxillofacial Surgery and Dental Emergencies, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Simion Bran
- Department of Cranio-Maxillofacial Surgery and Dental Emergencies, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Grigore Baciut
- Department of Cranio-Maxillofacial Surgery and Dental Emergencies, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Effects of Naringin on Proliferation and Osteogenic Differentiation of Human Periodontal Ligament Stem Cells In Vitro and In Vivo. Stem Cells Int 2015; 2015:758706. [PMID: 26078764 PMCID: PMC4452874 DOI: 10.1155/2015/758706] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 04/26/2015] [Indexed: 12/31/2022] Open
Abstract
This study is to explore the osteogenesis potential of the human periodontal ligament stem cells (hPDLSCs) induced by naringin in vitro and in vitro. The results confirmed that 1 μM naringin performs the best effect and a collection of bone-related genes (RUNX2, COL1A2, OPN, and OCN) had significantly higher expression levels compared to the control group. Furthermore, a typical trabecular structure was observed in vivo, surrounded by a large amount of osteoblasts. These results demonstrated that naringin, at a concentration of 1 μM, can efficiently promote the proliferation and differentiation of hPDLSCs both in vitro and in vivo.
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