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Yi P, Chen S, Zhao Y, Ku W, Lu H, Yu D, Zhao W. An injectable dental pulp-derived decellularized matrix hydrogel promotes dentin repair through modulation of macrophage response. BIOMATERIALS ADVANCES 2024; 161:213883. [PMID: 38762928 DOI: 10.1016/j.bioadv.2024.213883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/27/2024] [Accepted: 04/26/2024] [Indexed: 05/21/2024]
Abstract
Maintaining the viability of damaged pulp is critical in clinical dentistry. Pulp capping, by placing dental material over the exposed pulp, is a main approach to promote pulp-dentin healing and mineralized tissue formation. The dental materials are desired to impact on intricate physiological mechanisms in the healing process, including early regulation of inflammation, immunity, and cellular events. In this study, we developed an injectable dental pulp-derived decellularized matrix (DPM) hydrogel to modulate macrophage responses and promote dentin repair. The DPM derived from porcine dental pulp has high collagen retention and low DNA content. The DPM was solubilized by pepsin digestion (named p-DPM) and subsequently injected through a 25G needle to form hydrogel facilely at 37 °C. In vitro results demonstrated that the p-DPM induced the M2-polarization of macrophages and the migration, proliferation, and dentin differentiation of human dental pulp stem cells from deciduous teeth (SHEDs). In a mouse subcutaneous injection test, the p-DPM hydrogel was found to facilitate cell recruitment and M2 polarization during the early phase of implantation. Additionally, the acute pulp restoration in rat models proved that injectable p-DPM hydrogel as a pulp-capping agent had excellent efficacy in dentin regeneration. This study demonstrates that the DPM promotes dentin repair by modulating macrophage responses, and has a potential for pulp-capping applications in dental practice.
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Affiliation(s)
- Ping Yi
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Sixue Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Yifan Zhao
- Changsha Medical University, Changsha, Hunan, China
| | - Weili Ku
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Hui Lu
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China
| | - Dongsheng Yu
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China.
| | - Wei Zhao
- Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Guangzhou, Guangdong, China.
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Liang Z, Li J, Lin H, Zhang S, Liu F, Rao Z, Chen J, Feng Y, Zhang K, Quan D, Lin Z, Bai Y, Huang Q. Understanding the multi-functionality and tissue-specificity of decellularized dental pulp matrix hydrogels for endodontic regeneration. Acta Biomater 2024; 181:202-221. [PMID: 38692468 DOI: 10.1016/j.actbio.2024.04.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/06/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024]
Abstract
Dental pulp is the only soft tissue in the tooth which plays a crucial role in maintaining intrinsic multi-functional behaviors of the dentin-pulp complex. Nevertheless, the restoration of fully functional pulps after pulpitis or pulp necrosis, termed endodontic regeneration, remained a major challenge for decades. Therefore, a bioactive and in-situ injectable biomaterial is highly desired for tissue-engineered pulp regeneration. Herein, a decellularized matrix hydrogel derived from porcine dental pulps (pDDPM-G) was prepared and characterized through systematic comparison against the porcine decellularized nerve matrix hydrogel (pDNM-G). The pDDPM-G not only exhibited superior capabilities in facilitating multi-directional differentiation of dental pulp stem cells (DPSCs) during 3D culture, but also promoted regeneration of pulp-like tissues after DPSCs encapsulation and transplantation. Further comparative proteomic and transcriptome analyses revealed the differential compositions and potential mechanisms that endow the pDDPM-G with highly tissue-specific properties. Finally, it was realized that the abundant tenascin C (TNC) in pDDPM served as key factor responsible for the activation of Notch signaling cascades and promoted DPSCs odontoblastic differentiation. Overall, it is believed that pDDPM-G is a sort of multi-functional and tissue-specific hydrogel-based material that holds great promise in endodontic regeneration and clinical translation. STATEMENT OF SIGNIFICANCE: Functional hydrogel-based biomaterials are highly desirable for endodontic regeneration treatments. Decellularized extracellular matrix (dECM) preserves most extracellular matrix components of its native tissue, exhibiting unique advantages in promoting tissue regeneration and functional restoration. In this study, we prepared a porcine dental pulp-derived dECM hydrogel (pDDPM-G), which exhibited superior performance in promoting odontogenesis, angiogenesis, and neurogenesis of the regenerating pulp-like tissue, further showed its tissue-specificity compared to the peripheral nerve-derived dECM hydrogel. In-depth proteomic and transcriptomic analyses revealed that the activation of tenascin C-Notch axis played an important role in facilitating odontogenic regeneration. This biomaterial-based study validated the great potential of the dental pulp-specific pDDPM-G for clinical applications, and provides a springboard for research strategies in ECM-related regenerative medicine.
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Affiliation(s)
- Zelin Liang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Junda Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Hongkun Lin
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Sien Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Fan Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Zilong Rao
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, PCFM Lab, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Jiaxin Chen
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, PCFM Lab, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuwen Feng
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Kexin Zhang
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, PCFM Lab, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Daping Quan
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, PCFM Lab, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhengmei Lin
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China.
| | - Ying Bai
- Guangdong Engineering Technology Research Centre for Functional Biomaterials, PCFM Lab, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China.
| | - Qiting Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China.
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Smandri A, Al-Masawa ME, Hwei NM, Fauzi MB. ECM-derived biomaterials for regulating tissue multicellularity and maturation. iScience 2024; 27:109141. [PMID: 38405613 PMCID: PMC10884934 DOI: 10.1016/j.isci.2024.109141] [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] [Indexed: 02/27/2024] Open
Abstract
Recent breakthroughs in developing human-relevant organotypic models led to the building of highly resemblant tissue constructs that hold immense potential for transplantation, drug screening, and disease modeling. Despite the progress in fine-tuning stem cell multilineage differentiation in highly controlled spatiotemporal conditions and hosting microenvironments, 3D models still experience naive and incomplete morphogenesis. In particular, existing systems and induction protocols fail to maintain stem cell long-term potency, induce high tissue-level multicellularity, or drive the maturity of stem cell-derived 3D models to levels seen in their in vivo counterparts. In this review, we highlight the use of extracellular matrix (ECM)-derived biomaterials in providing stem cell niche-mimicking microenvironment capable of preserving stem cell long-term potency and inducing spatial and region-specific differentiation. We also examine the maturation of different 3D models, including organoids, encapsulated in ECM biomaterials and provide looking-forward perspectives on employing ECM biomaterials in building more innovative, transplantable, and functional organs.
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Affiliation(s)
- Ali Smandri
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Maimonah Eissa Al-Masawa
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Ng Min Hwei
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
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Ribeiro VMDS, Sousa MGDC, Garcia PR, Santos LSD, Duarte ECB, Corrêa JR, Labate CA, Cataldi TR, da Costa RA, Ramada MHS, de Carvalho JL, Rezende TMB. Histologic and proteomic profile of two methods to decellularize human dental pulp tissue. Arch Oral Biol 2024; 157:105847. [PMID: 38000129 DOI: 10.1016/j.archoralbio.2023.105847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/16/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023]
Abstract
OBJECTIVE The present study compared the structural and proteomic architecture of extracellular matrices (ECM) of decellularized human dental pulp using two previously described protocols. DESIGN Pulp tissue from 150 molars was extracted and three treatments took place, based on the Matoug-Elwerfelli Group (MG) and the Song Group (SG) protocols and an untreated pulp group (CG), to examine histoarchitecture and the effectiveness of the decellularization process, using histological analysis (n = 12) and scanning electron microscopy (SEM) (n = 3). Protein extraction took place using 100 mg dry weight of pulp, in triplicates for each group, and the shotgun proteome analysis was performed by nanoUPLC-MSE. Proteins were identified using the revised human UNIPROT database attached to the PLGS search engine. RESULTS Histological analysis and SEM demonstrated that ECM in MG was more preserved. Proteome analysis showed that the decellularized process in MG maintained approximately 69.56% of proteins identified in untreated pulp tissue while SG maintained 28.26%. CONCLUSIONS ECM appears to be suitable as a potential biological scaffold for pulp revascularization and regeneration procedures, especially those processed according to the Matoug-Elwerfelli protocol. This finding can collaborate to enhance clinical solutions for young permanent teeth that have suffered necrosis.
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Affiliation(s)
| | - Maurício Gonçalves da Costa Sousa
- Knight Cancer Precision Biofabrication Hub, Knight Cancer Institute, Oregon Health and Science University, Portland, OR, United States; Cancer Early Detection Advanced Research Center, Oregon Health and Science University, Portland, OR, United States; Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, United States
| | - Paula Ribeiro Garcia
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Departamento de Clínica Odontológica, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Lucas Souza Dos Santos
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | | | - José Raimundo Corrêa
- Decanato de Ensino de Graduação, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Carlos Alberto Labate
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Thaís Regiani Cataldi
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Rosiane Andrade da Costa
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Marcelo Henrique Soller Ramada
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Juliana Lott de Carvalho
- Curso de Medicina, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Taia Maria Berto Rezende
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Departamento de Odontologia, Universidade de Brasília, Brasília, Distrito Federal, Brazil; Programa de Pós-Graduação em Odontologia, Universidade de Brasília, Brasília, Distrito Federal, Brazil.
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Yuan S, Yang X, Wang X, Chen J, Tian W, Yang B. Injectable Xenogeneic Dental Pulp Decellularized Extracellular Matrix Hydrogel Promotes Functional Dental Pulp Regeneration. Int J Mol Sci 2023; 24:17483. [PMID: 38139310 PMCID: PMC10743504 DOI: 10.3390/ijms242417483] [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: 11/08/2023] [Revised: 12/09/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
The present challenge in dental pulp tissue engineering scaffold materials lies in the development of tissue-specific scaffolds that are conducive to an optimal regenerative microenvironment and capable of accommodating intricate root canal systems. This study utilized porcine dental pulp to derive the decellularized extracellular matrix (dECM) via appropriate decellularization protocols. The resultant dECM was dissolved in an acid pepsin solution to form dECM hydrogels. The analysis encompassed evaluating the microstructure and rheological properties of dECM hydrogels and evaluated their biological properties, including in vitro cell viability, proliferation, migration, tube formation, odontogenic, and neurogenic differentiation. Gelatin methacrylate (GelMA) hydrogel served as the control. Subsequently, hydrogels were injected into treated dentin matrix tubes and transplanted subcutaneously into nude mice to regenerate dental pulp tissue in vivo. The results showed that dECM hydrogels exhibited exceptional injectability and responsiveness to physiological temperature. It supported the survival, odontogenic, and neurogenic differentiation of dental pulp stem cells in a 3D culture setting. Moreover, it exhibited a superior ability to promote cell migration and angiogenesis compared to GelMA hydrogel in vitro. Additionally, the dECM hydrogel demonstrated the capability to regenerate pulp-like tissue with abundant blood vessels and a fully formed odontoblast-like cell layer in vivo. These findings highlight the potential of porcine dental pulp dECM hydrogel as a specialized scaffold material for dental pulp regeneration.
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Affiliation(s)
- Shengmeng Yuan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xueting Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xiuting Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jinlong Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Weidong Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Bo Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (S.Y.); (X.W.); (J.C.)
- National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Shekatkar M, Kheur S, Deshpande S, Sanap A, Kharat A, Navalakha S, Gupta A, Kheur M, Bhonde R, Merchant YP. Angiogenic Potential of Various Oral Cavity-Derived Mesenchymal Stem Cells and Cell-Derived Secretome: A Systematic Review and Meta-Analysis. Eur J Dent 2023. [PMID: 37995732 DOI: 10.1055/s-0043-1776315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023] Open
Abstract
Recent evidence suggests the immense potential of human mesenchymal stem cell (hMSC) secretome conditioned medium-mediated augmentation of angiogenesis. However, angiogenesis potential varies from source and origin. The hMSCs derived from the oral cavity share an exceptional quality due to their origin from a hypoxic environment. Our systematic review aimed to compare the mesenchymal stem cells (MSCs) derived from various oral cavity sources and cell-derived secretomes, and evaluate their angiogenic potential. A literature search was conducted using PubMed and Scopus from January 2000 to September 2020. Source-wise outcomes were systematically analyzed using in vitro, in vivo, and in ovo studies, emphasizing endothelial cell migration, tube formation, and blood vessel formation. Ninety-four studies were included in the systematic review, out of which 4 studies were subsequently included in the meta-analysis. Prominent growth factors and other bioactive components implicated in improving angiogenesis were included in the respective studies. The findings suggest that oral tissues are a rich source of hMSCs. The meta-analysis revealed a positive correlation between dental pulp-derived MSCs (DPMSCs) and stem cells derived from apical papilla (SCAP) compared to human umbilical cord-derived endothelial cell lines as a control. It shows a statistically significant positive correlation between the co-culture of human umbilical vein endothelial cells (HUVECs) and DPMSCs with tubule length formation and total branching points. Our meta-analysis revealed that oral-derived MSCs (dental pulp stem cells and SCAP) carry a better angiogenic potential in vitro than endothelial cell lines alone. The reviewed literature illustrates that oral cavity-derived MSCs (OC-MSCs) increased angiogenesis. The present literature reveals a dearth of investigations involving sources other than dental pulp. Even though OC-MSCs have revealed more significant potential than other MSCs, more comprehensive, target-oriented interinstitutional prospective studies are warranted to determine whether oral cavity-derived stem cells are the most excellent sources of significant angiogenic potential.
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Affiliation(s)
- Madhura Shekatkar
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Supriya Kheur
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Shantanu Deshpande
- Department of Pediatric and Preventive Dentistry, Bharati Vidyapeeth (Deemed to be) University Dental College and Hospital, Navi Mumbai, India
| | - Avinash Sanap
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Avinash Kharat
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Shivani Navalakha
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Archana Gupta
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
| | - Mohit Kheur
- Department of Prosthodontics, M.A. Rangoonwala College of Dental Sciences and Research Centre, Pune, India
| | | | - Yash P Merchant
- Department of Oral and Maxillofacial Surgery, Dr. D. Y. Patil Dental College, and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, India
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Atila D, Kumaravel V. Advances in antimicrobial hydrogels for dental tissue engineering: regenerative strategies for endodontics and periodontics. Biomater Sci 2023; 11:6711-6747. [PMID: 37656064 DOI: 10.1039/d3bm00719g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Dental tissue infections have been affecting millions of patients globally leading to pain, severe tissue damage, or even tooth loss. Commercial sterilizers may not be adequate to prevent frequent dental infections. Antimicrobial hydrogels have been introduced as an effective therapeutic strategy for endodontics and periodontics since they have the capability of imitating the native extracellular matrix of soft tissues. Hydrogel networks are considered excellent drug delivery platforms due to their high-water retention capacity. In this regard, drugs or nanoparticles can be incorporated into the hydrogels to endow antimicrobial properties as well as to improve their regenerative potential, once biocompatibility criteria are met avoiding high dosages. Herein, novel antimicrobial hydrogel formulations were discussed for the first time in the scope of endodontics and periodontics. Such hydrogels seem outstanding candidates especially when designed not only as simple volume fillers but also as smart biomaterials with condition-specific adaptability within the dynamic microenvironment of the defect site. Multifunctional hydrogels play a pivotal role against infections, inflammation, oxidative stress, etc. along the way of dental regeneration. Modern techniques (e.g., 3D and 4D-printing) hold promise to develop the next generation of antimicrobial hydrogels together with their limitations such as infeasibility of implantation.
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Affiliation(s)
- Deniz Atila
- International Centre for Research on Innovative Biobased Materials (ICRI-BioM) - International Research Agenda, Lodz University of Technology, Żeromskiego 116, 90-924, Lodz, Poland.
| | - Vignesh Kumaravel
- International Centre for Research on Innovative Biobased Materials (ICRI-BioM) - International Research Agenda, Lodz University of Technology, Żeromskiego 116, 90-924, Lodz, Poland.
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8
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Belgodere JA, Lassiter HR, Robinson JT, Hamel KM, Rogers EL, Mohiuddin OA, Zhang L, Wu X, Gimble JM, Frazier TP, Monroe WT, Sanchez CG. Biomechanical and Biological Characterization of XGel, a Human-Derived Hydrogel for Stem Cell Expansion and Tissue Engineering. Adv Biol (Weinh) 2023; 7:e2200332. [PMID: 37236203 DOI: 10.1002/adbi.202200332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/23/2023] [Indexed: 05/28/2023]
Abstract
Hydrogels are 3D scaffolds used as alternatives to in vivo models for disease modeling and delivery of cells and drugs. Existing hydrogel classifications include synthetic, recombinant, chemically defined, plant- or animal-based, and tissue-derived matrices. There is a need for materials that can support both human tissue modeling and clinically relevant applications requiring stiffness tunability. Human-derived hydrogels are not only clinically relevant, but they also minimize the use of animal models for pre-clinical studies. This study aims to characterize XGel, a new human-derived hydrogel as an alternative to current murine-derived and synthetic recombinant hydrogels that features unique physiochemical, biochemical, and biological properties that support adipocyte and bone differentiation. Rheology studies determine the viscosity, stiffness, and gelation features of XGel. Quantitative studies for quality control support consistency in the protein content between lots. Proteomics studies reveal that XGel is predominantly composed of extracellular matrix proteins, including fibrillin, collagens I-VI, and fibronectin. Electron microscopy of the hydrogel provides phenotypic characteristics in terms of porosity and fiber size. The hydrogel demonstrates biocompatibility as a coating material and as a 3D scaffold for the growth of multiple cell types. The results provide insight into the biological compatibility of this human-derived hydrogel for tissue engineering.
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Affiliation(s)
- Jorge A Belgodere
- Department of Biological and Agricultural Engineering, Louisiana State University and Agricultural Center, Baton Rouge, LA, 70803, USA
| | | | | | | | | | - Omair A Mohiuddin
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Liwen Zhang
- Campus Chemical Instrument Center Proteomics Shared Resources, The Ohio State University, Columbus, OH, 43210, USA
| | - Xiying Wu
- Obatala Sciences Inc., New Orleans, LA, 70148, USA
| | | | | | - William T Monroe
- Department of Biological and Agricultural Engineering, Louisiana State University and Agricultural Center, Baton Rouge, LA, 70803, USA
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9
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Li Z, Zheng C, Jiang P, Xu X, Tang Y, Dou L. Human digested dentin matrix for dentin regeneration and the applicative potential in vital pulp therapy. J Endod 2023:S0099-2399(23)00238-8. [PMID: 37150293 DOI: 10.1016/j.joen.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 04/22/2023] [Accepted: 04/23/2023] [Indexed: 05/09/2023]
Abstract
INTRODUCTION Human dentin is a natural acellular matrix with excellent reported biocompatibility. The aim was to fabricate a novel dentin matrix material from human dentin and investigate its applicative potential for vital pulp therapy. METHODS Digested dentin matrix extract (DDME) was fabricated using controlled enzymatic digestion under acidic conditions. The surfaces and biocompatibility of DDME were then investigated, with its effects on the odontogenic differentiation of human dental pulp cells (hDPCs) also studied. The ability of DDME to induce mineralization was assessed in a nude mouse model. The performance of DDME as a pulp capping agent was evaluated in an in-situ rat model. The molecular mechanism was verified by mRNA sequencing. RESULTS A novel type of dentin matrix material with a uniform size of 8 μm was fabricated. DDME had a similar band compared with grinded dentin matrix, with a smaller size and more uneven surface, as detected by Fourier Transform Infrared Spectrometer (FTIR) and X-ray photoelectron spectroscopy (XPS). DDME at low concentrations did not affect hDPCs viability or proliferation, but enhanced runt-related transcription factor 2, dentin matrix acidic phosphoprotein 1 and collagen 1A1 expression in hDPCs in vitro. DDME was superior to HA-TCP in dentin-like mineralized tissue formation after subcutaneous transplantation. In the rat model of pulpotomy, DDME showed visible curative effects. The underlying mechanism may be the inhibition of Hippo signaling following DDME treatment. DDME promoted Yes-associated protein (YAP) 1 nuclear influx, thereby enhancing the expression of DMP-1, which was reversed by YAP inhibitor treatment. CONCLUSIONS Human DDME can be used as a biomaterial for dentin regeneration. The combined application of DDME and current pulp capping agents is a potential choice for vital pulp therapy.
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Affiliation(s)
- Zheng Li
- 6 Stomatological Hospital of Chongqing Medical University, 426#, Song Shi Bei Road, Chongqing, 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical, University, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
| | - Chengxiang Zheng
- 6 Stomatological Hospital of Chongqing Medical University, 426#, Song Shi Bei Road, Chongqing, 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical, University, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
| | - Peiru Jiang
- 6 Stomatological Hospital of Chongqing Medical University, 426#, Song Shi Bei Road, Chongqing, 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical, University, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
| | - Xiaoqi Xu
- 6 Stomatological Hospital of Chongqing Medical University, 426#, Song Shi Bei Road, Chongqing, 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical, University, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
| | - Yin Tang
- University of Southern California Herman Ostrow School of Dentistry, Los Angeles, CA, USA; School of Dental Medicine, Western University of Medical Sciences, Pomona, CA, USA
| | - Lei Dou
- 6 Stomatological Hospital of Chongqing Medical University, 426#, Song Shi Bei Road, Chongqing, 401147, China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical, University, Chongqing, China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China.
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10
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Zhang Z, Bi F, Guo W. Research Advances on Hydrogel-Based Materials for Tissue Regeneration and Remineralization in Tooth. Gels 2023; 9:gels9030245. [PMID: 36975694 PMCID: PMC10048036 DOI: 10.3390/gels9030245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
Tissue regeneration and remineralization in teeth is a long-term and complex biological process, including the regeneration of pulp and periodontal tissue, and re-mineralization of dentin, cementum and enamel. Suitable materials are needed to provide cell scaffolds, drug carriers or mineralization in this environment. These materials need to regulate the unique odontogenesis process. Hydrogel-based materials are considered good scaffolds for pulp and periodontal tissue repair in the field of tissue engineering due to their inherent biocompatibility and biodegradability, slow release of drugs, simulation of extracellular matrix, and the ability to provide a mineralized template. The excellent properties of hydrogels make them particularly attractive in the research of tissue regeneration and remineralization in teeth. This paper introduces the latest progress of hydrogel-based materials in pulp and periodontal tissue regeneration and hard tissue mineralization and puts forward prospects for their future application. Overall, this review reveals the application of hydrogel-based materials in tissue regeneration and remineralization in teeth.
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Affiliation(s)
- Zhijun Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Pediatric Dentistry, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Fei Bi
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Weihua Guo
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Pediatric Dentistry, West China School of Stomatology, Sichuan University, Chengdu 610041, China
- Yunnan Key Laboratory of Stomatology, The Affiliated Hospital of Stomatology, School of Stomatology, Kunming Medical University, Kunming 650500, China
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11
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Zheng L, Liu Y, Jiang L, Wang X, Chen Y, Li L, Song M, Zhang H, Zhang YS, Zhang X. Injectable decellularized dental pulp matrix-functionalized hydrogel microspheres for endodontic regeneration. Acta Biomater 2023; 156:37-48. [PMID: 36455855 DOI: 10.1016/j.actbio.2022.11.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/30/2022]
Abstract
The sufficient imitation of tissue structures and components represents an effective and promising approach for tissue engineering and regenerative medicine applications. Dental pulp disease is one of the most common oral diseases, although functional pulp regeneration remains challenging. Herein, we propose a strategy that employs hydrogel microspheres incorporated with decellularized dental pulp matrix-derived bioactive factors to simulate a pulp-specific three-dimensional (3D) microenvironment. The dental pulp microenvironment-specific microspheres constructed by this regenerative strategy exhibited favorable plasticity, biocompatibility, and biological performances. Human dental pulp stem cells (hDPSCs) cultured on the constructed microspheres exhibited enhanced pulp-formation ability in vitro. Furthermore, the hDPSCs-microcarriers achieved the regeneration of pulp-like tissue and new dentin in a semi-orthotopic model in vivo. Mechanistically, the decellularized pulp matrix-derived bioactive factors mediated the multi-directional differentiation of hDPSCs to regenerate the pulp tissue by eliciting the secretion of crucial bioactive cues. Our findings demonstrated that a 3D dental pulp-specific microenvironment facilitated by hydrogel microspheres and dental pulp-specific bioactive factors regenerated the pulp-dentin complex and could be served as a promising treatment option for dental pulp disease. STATEMENT OF SIGNIFICANCE: Injectable bioscaffolds are increasingly used for regenerative endodontic treatment. Despite their success related to their ability to load stem cells, bioactive factors, and injectability, conventional bulk bioscaffolds have drawbacks such as ischemic necrosis in the central region. Various studies have shown that ischemic necrosis in the central region can be corrected by injectable hydrogel microspheres. Unfortunately, pristine microspheres or microspheres without dental pulp-specific bioactive factor would oftentimes fail to regulate stem cells fates in dental pulp multi-directional differentiation. Our present study reported the biofabrication of dental pulp-derived decellularized matrix functionalized gelatin microspheres, which contained dental pulp-specific bioactive factors and have the potential application in endodontic regeneration.
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Affiliation(s)
- Liwen Zheng
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China
| | - Yaxian Liu
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China
| | - Lin Jiang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China
| | - Xiaoping Wang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China
| | - Yuqin Chen
- Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, PR China
| | - Lan Li
- Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, PR China
| | - Mingyu Song
- Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, PR China
| | - Hongmei Zhang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China.
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA.
| | - Ximu Zhang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, PR China; Stomatological Hospital of Chongqing Medical University, Chongqing 401174, PR China.
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12
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Shi Y, Wang Y, Shan Z, Gao Z. Decellularized rat submandibular gland as an alternative scaffold for dental pulp regeneration. Front Bioeng Biotechnol 2023; 11:1148532. [PMID: 37152652 PMCID: PMC10160494 DOI: 10.3389/fbioe.2023.1148532] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/11/2023] [Indexed: 05/09/2023] Open
Abstract
Introduction: Decellularized extracellular matrix has been recognized as an optimal scaffold for dental pulp regeneration. However, the limited amount of native dental pulp tissue restricts its clinical applications. The submandibular gland shares some basic extracellular matrix components and characteristics with dental pulp. However, whether decellularized submandibular gland extracellular matrix (DSMG) can be used as an alternative scaffold for dental pulp regenerative medicine is unclear. Methods: Thus, we successfully decellularized the whole rat submandibular gland and human dental pulp, and then conducted in vitro and in vivo studies to compare the properties of these two scaffolds for dental pulp regeneration. Results: Our results showed that extracellular matrix of the submandibular gland had great similarities in structure and composition with that of dental pulp. Furthermore, it was confirmed that the DSMG could support adhesion and proliferation of dental pulp stem cells in vitro. In vivo findings revealed that implanted cell-seeded DSMG formed a vascularized dental pulp-like tissue and expressed markers involved in dentinogenesis and angiogenesis. Discussion: In summary, we introduced a novel accessible biological scaffold and validated its effectiveness as an extracellular matrix-based tissue engineering scaffold for dental pulp regenerative therapy.
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Affiliation(s)
| | | | | | - Zhenhua Gao
- *Correspondence: Zhenhua Gao, ; Zhaochen Shan,
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13
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Adanir N, Khurshid Z, Ratnayake J. The Regenerative Potential of Decellularized Dental Pulp Extracellular Matrix: A Systematic Review. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6386. [PMID: 36143698 PMCID: PMC9505725 DOI: 10.3390/ma15186386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
INTRODUCTION The regeneration of dental pulp remains a challenge. Although several treatment modalities have been proposed to promote pulpal regeneration, these treatments have several drawbacks. More recently, decellularized dental pulp extracellular matrix (DP-ECM) has been proposed to regenerate dental pulp. However, to date, no systematic review has summarized the overall outcome and assessed the available literature focusing on the endodontic use of DP-ECM. The aim of this systematic review is to critically appraise the literature, summarize the overall outcomes, and provide clinical recommendations about DP-ECM. METHODOLOGY Following the Participants Intervention Control and Outcomes (PICO) principle, a focused question was constructed before conducting a search of the literature and of electronic research databases and registers. The focused question was: 'Compared to controls, does decellularized dental pulp extracellular matrix (DP-ECM) stimulate the regeneration of dental pulp cells and tissue?' Quality assessment of the studies was carried out using Guidelines for Reporting Pre-Clinical in Vitro Studies on Dental Materials and ARRIVE guidelines. RESULTS 12 studies were included in this review. Data from five in vitro experiments and eight in vivo experiments were extracted and the quality of the experiments was assessed. In majority of the studies, DP-ECM appeared to have stimulated pulpal regeneration. However, several sources of bias and methodological deficiencies were found during the quality assessment. CONCLUSION Within the limitations of this review and the included studies, it may be concluded that there is insufficient evidence to deduce the overall efficacy of DP-ECM for pulpal regeneration. More research, clinical and pre-clinical, is required for more conclusive evidence.
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Affiliation(s)
- Necdet Adanir
- Department of Restorative Dentistry, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Jithendra Ratnayake
- Faculty of Dentistry, Sir John Walsh Research Institute, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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14
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Zeng A, Li H, Liu J, Wu M. The Progress of Decellularized Scaffold in Stomatology. Tissue Eng Regen Med 2022; 19:451-461. [PMID: 35320505 PMCID: PMC9130370 DOI: 10.1007/s13770-022-00432-w] [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: 09/18/2021] [Revised: 12/26/2021] [Accepted: 01/05/2022] [Indexed: 10/18/2022] Open
Abstract
The oral and maxillofacial region contains oral organs and facial soft tissues. Due to the complexity of the structures and functions of this region, the repair of related defects is complicated. Different degrees of defects require different repair methods, which involve a great combination of medicine and art, and the material requirements are extremely high. Hence, clinicians are plagued by contemporary oral repair materials due to the limitations of bone harvesting, immune rejection, low osteogenic activity and other problems. Decellularized extracellular matrix has attracted much attention as a bioactive scaffold material because of its nonimmunogenic properties, good osteogenic properties, slow release of growth factors, promotion of seed cell adhesion and maintenance of stem cell characteristics. This article reviews the sources, preparation methods, application and research progress of extracellular matrix materials in the repair of oral and maxillofacial defects to provide an overview for fundamental research and clinical development.
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Affiliation(s)
- Ailin Zeng
- School of Stomatology, Zunyi Medical University, No. 6 West Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, China
| | - Huiru Li
- School of Stomatology, Zunyi Medical University, No. 6 West Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, China
| | - Jianguo Liu
- School of Stomatology, Zunyi Medical University, No. 6 West Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, China.
- Special Key Laboratory of Oral Disease Research of Higher Education Institution of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou, China.
| | - Mingsong Wu
- School of Stomatology, Zunyi Medical University, No. 6 West Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, China.
- Special Key Laboratory of Oral Disease Research of Higher Education Institution of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou, China.
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15
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Diomede F, Fonticoli L, Marconi GD, Della Rocca Y, Rajan TS, Trubiani O, Murmura G, Pizzicannella J. Decellularized Dental Pulp, Extracellular Vesicles, and 5-Azacytidine: A New Tool for Endodontic Regeneration. Biomedicines 2022; 10:biomedicines10020403. [PMID: 35203612 PMCID: PMC8962372 DOI: 10.3390/biomedicines10020403] [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: 12/28/2021] [Revised: 02/01/2022] [Accepted: 02/05/2022] [Indexed: 12/29/2022] Open
Abstract
Dental pulp is a major component of the dental body that serves to maintain the tooth life and function. The aim of the present work was to develop a system that functions as a growth-permissive microenvironment for dental pulp regeneration using a decellularized dental pulp (DDP) matrix, 5-Aza-2′-deoxycytidine (5-Aza), and Extracellular Vesicles (EVs) derived from human Dental Pulp Stem Cells (hDPSCs). Human dental pulps extracted from healthy teeth, scheduled to be removed for orthodontic purpose, were decellularized and then recellularized with hDPSCs. The hDPSCs were seeded on DDP and maintained under different culture conditions: basal medium (CTRL), EVs, 5-Aza, and EVs+-5-Aza. Immunofluorescence staining and Western blot analyses were performed to evaluate the proteins’ expression related to dentinogenesis, such as ALP, RUNX2, COL1A1, Vinculin, DMP1, and DSPP. Protein contents found in the DDP recellularized with hDPSCs were highly expressed in samples co-treated with EVs and 5-Aza compared to other culture conditions. This study developed a DDP matrix loaded by hDPSCs in co-treatment with EVs, which might enhance the dentinogenic differentiation with a high potentiality for endodontic regeneration.
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Affiliation(s)
- Francesca Diomede
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy; (F.D.); (L.F.); (Y.D.R.)
| | - Luigia Fonticoli
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy; (F.D.); (L.F.); (Y.D.R.)
| | - Guya Diletta Marconi
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy;
| | - Ylenia Della Rocca
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy; (F.D.); (L.F.); (Y.D.R.)
| | | | - Oriana Trubiani
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy; (F.D.); (L.F.); (Y.D.R.)
- Correspondence: (O.T.); (G.M.)
| | - Giovanna Murmura
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy; (F.D.); (L.F.); (Y.D.R.)
- Correspondence: (O.T.); (G.M.)
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16
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Khurshid Z, Alnaim AJA, Alhashim AAA, Imran E, Adanir N. Future of Decellularized Dental Pulp Matrix in Regenerative Endodontics. Eur J Dent 2022; 16:737-741. [PMID: 34991166 DOI: 10.1055/s-0041-1741012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
With the advancements in tissue engineering, the repair and regeneration of oral/dental tissue are becoming possible and productive. Due to periodontal diseases, the tooth loses bone support resulting in tooth loss, but bone grafting stabilizes with new bone. It is seen that due to the progression of dental caries, pulp damage happens, and the vitality of the tooth is compromised. The current theme of dental pulp regeneration through biological and synthetic scaffolds, is becoming a potential therapy for pulp revitalization.
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Affiliation(s)
- Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa, Kingdom of Saudi Arabia
| | | | | | - Eisha Imran
- Department of Dental Materials, HITEC Dental College, Institute of Medical Sciences, Taxilla, Pakistan
| | - Necdet Adanir
- Department of Restorative Dentistry, College of Dentistry, King Faisal University, Al-Ahsa, Kingdom of Saudi Arabia
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Huang M, Huang Y, LIU H, Tang Z, Chen Y, Huang Z, Xu S, Du J, Jia B. Hydrogels for Treatment of Oral and Maxillofacial Diseases: Current Research, Challenge, and Future Directions. Biomater Sci 2022; 10:6413-6446. [DOI: 10.1039/d2bm01036d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oral and maxillofacial diseases such as infection and trauma often involve various organs and tissues, resulting in structural defects, dysfunctions and/or adverse effects on facial appearance. Hydrogels have been applied...
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18
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Zhang Y, Chen J, Fu H, Kuang S, He F, Zhang M, Shen Z, Qin W, Lin Z, Huang S. Exosomes derived from 3D-cultured MSCs improve therapeutic effects in periodontitis and experimental colitis and restore the Th17 cell/Treg balance in inflamed periodontium. Int J Oral Sci 2021; 13:43. [PMID: 34907166 PMCID: PMC8671433 DOI: 10.1038/s41368-021-00150-4] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/20/2021] [Accepted: 11/21/2021] [Indexed: 01/07/2023] Open
Abstract
Although mesenchymal stem cell-derived exosomes (MSC-exos) have been shown to have therapeutic effects in experimental periodontitis, their drawbacks, such as low yield and limited efficacy, have hampered their clinical application. These drawbacks can be largely reduced by replacing the traditional 2D culture system with a 3D system. However, the potential function of MSC-exos produced by 3D culture (3D-exos) in periodontitis remains elusive. This study showed that compared with MSC-exos generated via 2D culture (2D-exos), 3D-exos showed enhanced anti-inflammatory effects in a ligature-induced model of periodontitis by restoring the reactive T helper 17 (Th17) cell/Treg balance in inflamed periodontal tissues. Mechanistically, 3D-exos exhibited greater enrichment of miR-1246, which can suppress the expression of Nfat5, a key factor that mediates Th17 cell polarization in a sequence-dependent manner. Furthermore, we found that recovery of the Th17 cell/Treg balance in the inflamed periodontium by the local injection of 3D-exos attenuated experimental colitis. Our study not only showed that by restoring the Th17 cell/Treg balance through the miR-1246/Nfat5 axis, the 3D culture system improved the function of MSC-exos in the treatment of periodontitis, but also it provided a basis for treating inflammatory bowel disease (IBD) by restoring immune responses in the inflamed periodontium.
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Affiliation(s)
- Yong Zhang
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiayao Chen
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Haijun Fu
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Shuhong Kuang
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Feng He
- Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Min Zhang
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zongshan Shen
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wei Qin
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zhengmei Lin
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Shuheng Huang
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China.
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Lai WY, Lee TH, Chen JX, Ng HY, Huang TH, Shie MY. Synergies of Human Umbilical Vein Endothelial Cell-Laden Calcium Silicate-Activated Gelatin Methacrylate for Accelerating 3D Human Dental Pulp Stem Cell Differentiation for Endodontic Regeneration. Polymers (Basel) 2021; 13:polym13193301. [PMID: 34641117 PMCID: PMC8512667 DOI: 10.3390/polym13193301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 09/21/2021] [Accepted: 09/25/2021] [Indexed: 12/12/2022] Open
Abstract
According to the Centers for Disease Control and Prevention, tooth caries is a common problem affecting 9 out of every 10 adults worldwide. Dentin regeneration has since become one of the pressing issues in dentistry with tissue engineering emerging as a potential solution for enhancing dentin regeneration. In this study, we fabricated cell blocks with human dental pulp stem cells (hDPSCs)-laden alginate/fish gelatin hydrogels (Alg/FGel) at the center of the cell block and human umbilical vascular endothelial cells (HUVEC)-laden Si ion-infused fish gelatin methacrylate (FGelMa) at the periphery of the cell block. 1H NMR and FTIR results showed the successful fabrication of Alg/FGel and FGelMa. In addition, Si ions in the FGelMa were noted to be bonded via covalent bonds and the increased number of covalent bonds led to an increase in mechanical properties and improved degradation of FGelMa. The Si-containing FGelMa was able to release Si ions, which subsequently significantly not only enhanced the expressions of angiogenic-related protein, but also secreted some cytokines to regulate odontogenesis. Further immunofluorescence results indicated that the cell blocks allowed interactions between the HUVEC and hDPSCs, and taken together, were able to enhance odontogenic-related markers' expression, such as alkaline phosphatase (ALP), dentin matrix phosphoprotein-1 (DMP-1), and osteocalcin (OC). Subsequent Alizarin Red S stain confirmed the benefits of our cell block and demonstrated that such a novel combination and modification of biomaterials can serve as a platform for future clinical applications and use in dentin regeneration.
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Affiliation(s)
- Wei-Yun Lai
- School of Dentistry, Chung Shan Medical University, Taichung 406040, Taiwan;
| | - Tzu-Hsin Lee
- Department of Orthodontics, Changhua Christian Hospital, Changhua 500, Taiwan;
| | - Jian-Xun Chen
- School of Medicine, China Medical University, Taichung 40447, Taiwan; (J.-X.C.); (H.-Y.N.)
- Department of Surgery, China Medical University Hospital, Taichung 406040, Taiwan
| | - Hooi-Yee Ng
- School of Medicine, China Medical University, Taichung 40447, Taiwan; (J.-X.C.); (H.-Y.N.)
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 40447, Taiwan
| | - Tsui-Hsien Huang
- School of Dentistry, Chung Shan Medical University, Taichung 406040, Taiwan;
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence: (T.-H.H.); (M.-Y.S.)
| | - Ming-You Shie
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 40447, Taiwan
- School of Dentistry, China Medical University, Taichung 40447, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354, Taiwan
- Correspondence: (T.-H.H.); (M.-Y.S.)
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20
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The Development of Light-Curable Calcium-Silicate-Containing Composites Used in Odontogenic Regeneration. Polymers (Basel) 2021; 13:polym13183107. [PMID: 34578012 PMCID: PMC8468725 DOI: 10.3390/polym13183107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/04/2021] [Accepted: 09/13/2021] [Indexed: 12/14/2022] Open
Abstract
Pulp regeneration is one of the most successful areas in the field of tissue regeneration, despite its current limitations. The biocompatibility of endodontic biomaterials is essential in securing the oral microenvironment and supporting pulp tissue regeneration. Therefore, the objective of this study was to investigate the new light-curable calcium silicate (CS)-containing polyethylene glycol diacrylate (PEGDA) biocomposites’ regulation of human dental pulp stem cells (hDPSCs) in odontogenic-related regeneration. The CS-containing PEGDA (0 to 30 wt%) biocomposites are applied to endodontics materials to promote their mechanical, bioactive, and biological properties. Firstly, X-ray diffraction and Fourier-transform infrared spectroscopy showed that the incorporation of CS increased the number of covalent bonds in the PEGDA. The diameter tension strength of the CS-containing PEGDA composite was significantly higher than that of normal PEGDA, and a different microstructure was detected on the surface. Samples were analyzed for their surface characteristics and Ca/Si ion-release profiles after soaking in simulated body fluid for different periods of time. The CS30 group presented better hDPSC adhesion and proliferation in comparison with CS0. Higher values of odontogenic-related biomarkers were found in hDPSCs on CS30. Altogether, these results prove the potential of light-curable CS-containing PEGDA composites as part of a ‘point-of-care’ strategy for application in odontogenesis-related regeneration.
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21
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Functional Dental Pulp Regeneration: Basic Research and Clinical Translation. Int J Mol Sci 2021; 22:ijms22168991. [PMID: 34445703 PMCID: PMC8396610 DOI: 10.3390/ijms22168991] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/12/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
Pulpal and periapical diseases account for a large proportion of dental visits, the current treatments for which are root canal therapy (RCT) and pulp revascularisation. Despite the clinical signs of full recovery and histological reconstruction, true regeneration of pulp tissues is still far from being achieved. The goal of regenerative endodontics is to promote normal pulp function recovery in inflamed or necrotic teeth that would result in true regeneration of the pulpodentinal complex. Recently, rapid progress has been made related to tissue engineering-mediated pulp regeneration, which combines stem cells, biomaterials, and growth factors. Since the successful isolation and characterisation of dental pulp stem cells (DPSCs) and other applicable dental mesenchymal stem cells, basic research and preclinical exploration of stem cell-mediated functional pulp regeneration via cell transplantation and cell homing have received considerably more attention. Some of this effort has translated into clinical therapeutic applications, bringing a ground-breaking revolution and a new perspective to the endodontic field. In this article, we retrospectively examined the current treatment status and clinical goals of pulpal and periapical diseases and scrutinized biological studies of functional pulp regeneration with a focus on DPSCs, biomaterials, and growth factors. Then, we reviewed preclinical experiments based on various animal models and research strategies. Finally, we summarised the current challenges encountered in preclinical or clinical regenerative applications and suggested promising solutions to address these challenges to guide tissue engineering-mediated clinical translation in the future.
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22
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Lin YT, Hsu TT, Liu YW, Kao CT, Huang TH. Bidirectional Differentiation of Human-Derived Stem Cells Induced by Biomimetic Calcium Silicate-Reinforced Gelatin Methacrylate Bioink for Odontogenic Regeneration. Biomedicines 2021; 9:biomedicines9080929. [PMID: 34440133 PMCID: PMC8394247 DOI: 10.3390/biomedicines9080929] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 01/09/2023] Open
Abstract
Tooth loss or damage is a common problem affecting millions of people worldwide, and it results in significant impacts on one’s quality of life. Dental regeneration with the support of stem cell-containing scaffolds has emerged as an alternative treatment strategy for such cases. With this concept in mind, we developed various concentrations of calcium silicate (CS) in a gelatin methacryloyl (GelMa) matrix and fabricated human dental pulp stem cells (hDPSCs)-laden scaffolds via the use of a bioprinting technology in order to determine their feasibility in promoting odontogenesis. The X-ray diffraction and Fourier transform-infrared spectroscopy showed that the incorporation of CS increased the number of covalent bonds in the GelMa hydrogels. In addition, rheological analyses were conducted for the different concentrations of hydrogels to evaluate their sol–gel transition temperature. It was shown that incorporation of CS improved the printability and printing quality of the scaffolds. The printed CS-containing scaffolds were able to release silicate (Si) ions, which subsequently significantly enhanced the activation of signaling-related markers such as ERK and significantly improved the expression of odontogenic-related markers such as alkaline phosphatase (ALP), dentin matrix protein-1 (DMP-1), and osteocalcin (OC). The calcium deposition assays were also significantly enhanced in the CS-containing scaffold. Our results demonstrated that CS/GelMa scaffolds were not only enhanced in terms of their physicochemical behaviors but the odontogenesis of the hDPSCs was also promoted as compared to GelMa scaffolds. These results demonstrated that CS/GelMa scaffolds can serve as cell-laden materials for future clinical applications and use in dentin regeneration.
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Affiliation(s)
- Yi-Ting Lin
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (Y.-T.L.); (C.-T.K.)
| | - Tuan-Ti Hsu
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 404332, Taiwan; (T.-T.H.); (Y.-W.L.)
| | - Yu-Wei Liu
- x-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 404332, Taiwan; (T.-T.H.); (Y.-W.L.)
| | - Chia-Tze Kao
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (Y.-T.L.); (C.-T.K.)
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Tsui-Hsien Huang
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan; (Y.-T.L.); (C.-T.K.)
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence: ; Tel.: +886-4-22967979 (ext. 3700)
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23
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Platform technologies for regenerative endodontics from multifunctional biomaterials to tooth-on-a-chip strategies. Clin Oral Investig 2021; 25:4749-4779. [PMID: 34181097 DOI: 10.1007/s00784-021-04013-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/24/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVES The aim of this review is to highlight recent progress in the field of biomaterials-mediated dental pulp tissue engineering. Specifically, we aim to underscore the critical design criteria of biomaterial platforms that are advantageous for pulp tissue engineering, discuss models for preclinical evaluation, and present new and innovative multifunctional strategies that hold promise for clinical translation. MATERIALS AND METHODS The current article is a comprehensive overview of recent progress over the last 5 years. In detail, we surveyed the literature in regenerative pulp biology, including novel biologic and biomaterials approaches, and those that combined multiple strategies, towards more clinically relevant models. PubMed searches were performed using the keywords: "regenerative dentistry," "dental pulp regeneration," "regenerative endodontics," and "dental pulp therapy." RESULTS Significant contributions to the field of regenerative dentistry have been made in the last 5 years, as evidenced by a significant body of publications. We chose exemplary studies that we believe are progressive towards clinically translatable solutions. We close this review with an outlook towards the future of pulp regeneration strategies and their clinical translation. CONCLUSIONS Current clinical treatments lack functional and predictable pulp regeneration and are more focused on the treatment of the consequences of pulp exposure, rather than the restoration of healthy dental pulp. CLINICAL RELEVANCE Clinically, there is great demand for bioinspired biomaterial strategies that are safe, efficacious, and easy to use, and clinicians are eager for their clinical translation. In particular, we place emphasis on strategies that combine favorable angiogenesis, mineralization, and functional tissue formation, while limiting immune reaction, risk of microbial infection, and pulp necrosis.
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24
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Tan Q, Cao Y, Zheng X, Peng M, Huang E, Wang J. BMP4-regulated human dental pulp stromal cells promote pulp-like tissue regeneration in a decellularized dental pulp matrix scaffold. Odontology 2021; 109:895-903. [PMID: 34086131 DOI: 10.1007/s10266-021-00620-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 05/25/2021] [Indexed: 01/09/2023]
Abstract
Pulp regeneration with stem cells is a promising alternative for treating periapical and pulp diseases of young permanent teeth. The aim of this study was to characterize decellularized dental pulp extracellular matrix (dECM) and investigate whether bone morphogenetic protein 4 (BMP4) regulates dental pulp stromal cells (DPSC)-mediated pulp regeneration combined with dECM. Dental pulp isolated from healthy third molars was decellularized with 10% sodium dodecyl sulfate (SDS) and Triton X-100. H&E staining, DAPI staining and electron microscopy were used to observe the dECM structure. The Cell Counting Kit-8 assay was used to analyse cell proliferation. Recombinant adenovirus was used to overexpress BMP4 in DPSCs. The cells were cultured in dECM and dECM + three-dimensional (3D) Vitrogel systems, and bone/dentin/angiogenesis marker expression was evaluated by real-time polymerase chain reaction (RT-PCR) and ALP staining. DPSCs mixed with dECM and BMP4 were transplanted into nude mice, and pulp-like tissue formation was evaluated. The expression of osteogenic and angioblastic genes was increased, and pulp-like tissue formed in vivo. Thus, dECM promotes DPSC proliferation, BMP4 and dECM together accelerate pulp-like tissue formation by DPSCs in vitro.
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Affiliation(s)
- Qin Tan
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Yuying Cao
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Xiaorong Zheng
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Mengtian Peng
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China.,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Enyi Huang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China. .,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
| | - Jinhua Wang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People's Republic of China. .,Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education College of Stomatology, College of Stomatology, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
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25
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Azarpazhooh A, Diogenes AR, Fouad AF, Glickman GN, Kishen A, Levin L, Roda RS, Sedgley CM, Tay FR, Hargreaves KM. Insights into the October 2020 Issue of the JOE. J Endod 2021; 46:1369-1370. [PMID: 32980049 DOI: 10.1016/j.joen.2020.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Anibal R Diogenes
- University of Texas Health San Antonio School of Dentistry, San Antonio, Texas
| | - Ashraf F Fouad
- University of North Carolina, Chapel Hill, North Carolina
| | | | - Anil Kishen
- Faculty of Dentistry, University of Toronto, Toronto, Canada
| | | | | | | | - Franklin R Tay
- The Dental College of Georgia, Augusta University, Augusta, Georgia
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26
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Huang X, Li Z, Liu A, Liu X, Guo H, Wu M, Yang X, Han B, Xuan K. Microenvironment Influences Odontogenic Mesenchymal Stem Cells Mediated Dental Pulp Regeneration. Front Physiol 2021; 12:656588. [PMID: 33967826 PMCID: PMC8100342 DOI: 10.3389/fphys.2021.656588] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/23/2021] [Indexed: 12/21/2022] Open
Abstract
Dental pulp as a source of nutrition for the whole tooth is vulnerable to trauma and bacterial invasion, which causes irreversible pulpitis and pulp necrosis. Dental pulp regeneration is a valuable method of restoring the viability of the dental pulp and even the whole tooth. Odontogenic mesenchymal stem cells (MSCs) residing in the dental pulp environment have been widely used in dental pulp regeneration because of their immense potential to regenerate pulp-like tissue. Furthermore, the regenerative abilities of odontogenic MSCs are easily affected by the microenvironment in which they reside. The natural environment of the dental pulp has been proven to be capable of regulating odontogenic MSC homeostasis, proliferation, and differentiation. Therefore, various approaches have been applied to mimic the natural dental pulp environment to optimize the efficacy of pulp regeneration. In addition, odontogenic MSC aggregates/spheroids similar to the natural dental pulp environment have been shown to regenerate well-organized dental pulp both in preclinical and clinical trials. In this review, we summarize recent progress in odontogenic MSC-mediated pulp regeneration and focus on the effect of the microenvironment surrounding odontogenic MSCs in the achievement of dental pulp regeneration.
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Affiliation(s)
- Xiaoyao Huang
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Zihan Li
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Anqi Liu
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Xuemei Liu
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Hao Guo
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Meiling Wu
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Xiaoxue Yang
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Bing Han
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Kun Xuan
- State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi'an, China.,National Clinical Research Center for Oral Diseases, Fourth Military Medical University, Xi'an, China.,Shaanxi Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, China
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27
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Alghutaimel H, Yang X, Drummond B, Nazzal H, Duggal M, Raïf E. Investigating the vascularization capacity of a decellularized dental pulp matrix seeded with human dental pulp stem cells: in vitro and preliminary in vivo evaluations. Int Endod J 2021; 54:1300-1316. [PMID: 33709438 DOI: 10.1111/iej.13510] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 12/17/2022]
Abstract
AIM To investigate the vascularization capacity of a decellularized dental pulp matrix (DDP) of bovine origin seeded with human dental pulp stem cells (hDPSCs) in vitro and to present preliminary in vivo findings. METHODOLOGY Bovine dental pulps were decellularized and then analysed using histological staining and DNA quantification. The resultant DDPs were characterized using immunohistochemical staining for the retention of vascular endothelial growth factor A (VEGF-A) and fibroblast growth factor 2 (FGF-2). Furthermore, DDPs were recellularized with hDPSCs and analysed histologically. The expression of markers involved in angiogenesis by hDPSCs colonizing the DDPs was assessed in vitro. A preliminary in vivo study was then conducted in which hDPSCs-seeded and unseeded DDPs were inserted in debrided human premolars root slices and implanted subcutaneously in immunodeficient mice. Samples were retrieved after 30 days and analysed using histological and immunohistochemical staining. The independent samples t-test, analysis of variance and a Kruskal-Wallis test were used to analyse the quantitative data statistically depending on the group numbers and normality of data distribution. The difference between the groups was considered significant when the P-value was less than 0.05. RESULTS Acellular dental pulp matrices were generated following bovine dental pulp decellularization. Evaluation of the developed DDPs revealed a significant DNA reduction (P < 0.0001) with preservation of the native histoarchitecture and vasculature and retention of VEGF-A and FGF-2. Upon recellularization of the DDPs with hDPSCs, the in vitro analyses revealed cell engraftment with progressive repopulation of DDPs' matrices and vasculature and with enhanced expression of markers involved in angiogenesis. In vivo implantation of root slices with hDPSCs-seeded DDPs revealed apparent vascularization enhancement as compared to the unseeded DDP group (P < 0.0001). CONCLUSIONS The developed decellularized dental pulp matrix had pro-angiogenic properties characterized by the retention of native vasculature and angiogenic growth factors. Seeding of hDPSCs into the DDP led to progressive repopulation of the vasculature, enhanced expression of markers involved in angiogenesis in hDPSCs and improved in vivo vascularization capacity. The se suggest that a combination of DDP and hDPSCs have the potential to provide a promising vascularization promoting strategy for dental pulp regeneration.
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Affiliation(s)
- H Alghutaimel
- Department of Paediatric Dentistry, School of Dentistry, University of Leeds, Leeds, UK.,Department of Paediatric Dentistry, School of Dentistry, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - X Yang
- Department of Oral Biology, School of Dentistry, University of Leeds, Leeds, UK
| | - B Drummond
- Department of Paediatric Dentistry, School of Dentistry, University of Leeds, Leeds, UK
| | - H Nazzal
- Paediatric Dentistry Section, Hamad Dental Centre, Hamad Medical Corporation, Doha, Qatar
| | - M Duggal
- College of Dental Medicine, QU Health, Qatar University, Doha, Qatar
| | - E Raïf
- Department of Oral Biology, School of Dentistry, University of Leeds, Leeds, UK
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28
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Mayya A, Naik R, Paul MP, Amin S, Mayya SS. Knowledge, Attitude, and Perception Among Endodontists Toward Regenerative Endodontics: A Cross-sectional Survey of Four Indian Universities. J Int Soc Prev Community Dent 2021; 11:68-76. [PMID: 33688475 PMCID: PMC7934828 DOI: 10.4103/jispcd.jispcd_366_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/31/2020] [Accepted: 11/09/2020] [Indexed: 11/08/2022] Open
Abstract
Background: Regenerative endodontics is a rapidly developing field in dentistry. However, the regenerative endodontic procedures are not familiar to many clinicians in India. Aim: This survey aimed at assessing the level of knowledge, attitude, and perception (KAP) among endodontists toward regenerative endodontics. Materials and Methods: A cross-sectional survey was conducted in the year 2019 to collect data. A questionnaire to collect data on KAP toward regenerative endodontics was administered to 49 faculty and 69 postgraduate students of endodontics from four universities. The Chi-Square test and logistic regression were applied to study the association between KAP and demographic variables. Spearman's rho was computed to study the correlation between KAP scale scores of the participants. The data were analyzed by using Statistical Package for the Social Sciences software program (SPSS), version 15.0 (South Asia, Bangalore). Results: The survey yielded an overall response rate of 81%. Less than 50% of the participants had sound knowledge, 65% had a positive attitude, and only 21% had a positive perception about Regenerative Endodontic Procedures (REPs). Most of the participants (86.5%) were of the opinion that regenerative therapies should be a part of dentistry. Majority of the participants (89.6%) were inclined to receive training in REPs. About 80% of the participants felt that the higher cost of treatment is a significant hurdle for patients to accept REPs. Less than half the participants (41.7%) were using REPs in their clinical practice, such as the use of membranes, scaffolds, and revascularization. Conclusion: Endodontists have a positive attitude toward the use of regenerative therapies. However, there is a deficiency of training in REPs in dental colleges.
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Affiliation(s)
- Arun Mayya
- Department of Conservative Dentistry and Endodontics, Srinivas Institute of Dental Sciences, Mukka Surathkal, Mangalore - 575021, Karnataka, India
| | - Rajaram Naik
- Department of Conservative Dentistry and Endodontics, A.J Institute of Dental Sciences, Mangalore - 575004, Karnataka, India
| | - Maria Priya Paul
- Department of Conservative Dentistry and Endodontics, A.J Institute of Dental Sciences, Mangalore - 575004, Karnataka, India
| | - Swathi Amin
- Department of Conservative Dentistry and Endodontics, A.J Institute of Dental Sciences, Mangalore - 575004, Karnataka, India
| | - Shreemathi S Mayya
- Department of Data Sciece, Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
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29
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Abbass MMS, El-Rashidy AA, Sadek KM, Moshy SE, Radwan IA, Rady D, Dörfer CE, Fawzy El-Sayed KM. Hydrogels and Dentin-Pulp Complex Regeneration: From the Benchtop to Clinical Translation. Polymers (Basel) 2020; 12:E2935. [PMID: 33316886 PMCID: PMC7763835 DOI: 10.3390/polym12122935] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/08/2020] [Accepted: 11/10/2020] [Indexed: 02/06/2023] Open
Abstract
Dentin-pulp complex is a term which refers to the dental pulp (DP) surrounded by dentin along its peripheries. Dentin and dental pulp are highly specialized tissues, which can be affected by various insults, primarily by dental caries. Regeneration of the dentin-pulp complex is of paramount importance to regain tooth vitality. The regenerative endodontic procedure (REP) is a relatively current approach, which aims to regenerate the dentin-pulp complex through stimulating the differentiation of resident or transplanted stem/progenitor cells. Hydrogel-based scaffolds are a unique category of three dimensional polymeric networks with high water content. They are hydrophilic, biocompatible, with tunable degradation patterns and mechanical properties, in addition to the ability to be loaded with various bioactive molecules. Furthermore, hydrogels have a considerable degree of flexibility and elasticity, mimicking the cell extracellular matrix (ECM), particularly that of the DP. The current review presents how for dentin-pulp complex regeneration, the application of injectable hydrogels combined with stem/progenitor cells could represent a promising approach. According to the source of the polymeric chain forming the hydrogel, they can be classified into natural, synthetic or hybrid hydrogels, combining natural and synthetic ones. Natural polymers are bioactive, highly biocompatible, and biodegradable by naturally occurring enzymes or via hydrolysis. On the other hand, synthetic polymers offer tunable mechanical properties, thermostability and durability as compared to natural hydrogels. Hybrid hydrogels combine the benefits of synthetic and natural polymers. Hydrogels can be biofunctionalized with cell-binding sequences as arginine-glycine-aspartic acid (RGD), can be used for local delivery of bioactive molecules and cellularized with stem cells for dentin-pulp regeneration. Formulating a hydrogel scaffold material fulfilling the required criteria in regenerative endodontics is still an area of active research, which shows promising potential for replacing conventional endodontic treatments in the near future.
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Affiliation(s)
- Marwa M. S. Abbass
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Aiah A. El-Rashidy
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Khadiga M. Sadek
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Sara El Moshy
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Israa Ahmed Radwan
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Dina Rady
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
| | - Karim M. Fawzy El-Sayed
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
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