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Tabassum N, Khalid S, Ghafoor S, Woo KM, Lee EH, Samie M, Konain K, Ponnusamy S, Arany P, Rahman SU. Tideglusib-incorporated nanofibrous scaffolds potently induce odontogenic differentiation. J Biomater Appl 2023:8853282231190470. [PMID: 37485690 DOI: 10.1177/08853282231190470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Pulp-Dentin regeneration is a key aspect of maintain tooth vitality and enabling good oral-systemic health. This study aimed to investigate a nanofibrous scaffold loaded with a small molecule i.e. Tideglusib to promote odontogenic differentiation. Tideglusib (GSK-3β inhibitor) interaction with GSK-3β was determined using molecular docking and stabilization of β-catenin was examined by confocal microscopy. 3D nanofibrous scaffolds were fabricated through electrospinning and their physicochemical characterizations were performed. Scaffolds were seeded with mesenchymal stem cells or pre-odontoblast cells to determine the cells proliferation and odontogenic differentiation. Our results showed that Tideglusib (TG) binds with GSK-3β at Cys199 residue. Stabilization and nuclear translocation of β-catenin was increased in the odontoblast cells treated with TG. SEM analysis revealed that nanofibers exhibited controlled architectural features that effectively mimicked the natural ECM. UV-Vis spectroscopy demonstrated that TG was incorporated successfully and released in a controlled manner. Both kinds of biomimetic nanofibrous matrices (PCLF-TG100, PCLF-TG1000) significantly stimulated cells proliferation. Furthermore, these scaffolds significantly induced dentinogenic markers (ALP, and DSPP) expression and biomineralization. In contrast to current pulp capping material driving dentin repair, the sophisticated, polymeric scaffold systems with soluble and insoluble spatiotemporal cues described here can direct stem cell differentiation and dentin regeneration. Hence, bioactive small molecule-incorporated nanofibrous scaffold suggests an innovative clinical tool for dentin tissue engineering.
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Affiliation(s)
- Nadia Tabassum
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
- PGMI, De Montmorency College of Dentistry, Lahore, Pakistan
| | - Saira Khalid
- PGMI, De Montmorency College of Dentistry, Lahore, Pakistan
| | - Sarah Ghafoor
- Oral Biology, University of Health Sciences, Lahore, Pakistan
| | - Kyung Mi Woo
- Department of Molecular Genetics, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Eun Hye Lee
- Department of Molecular Genetics, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Muhammad Samie
- Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Kiran Konain
- Molecular Biology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Sasikumar Ponnusamy
- Oral Biology, Surgery and Biomedial Engineering, University at Buffalo, NY, USA
| | - Praveen Arany
- Oral Biology, Surgery and Biomedial Engineering, University at Buffalo, NY, USA
| | - Saeed Ur Rahman
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
- Oral Biology, Surgery and Biomedial Engineering, University at Buffalo, NY, USA
- Oral Biology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
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Atila D, Keskin D, Lee YL, Lin FH, Hasirci V, Tezcaner A. Injectable methacrylated gelatin/thiolated pectin hydrogels carrying melatonin/tideglusib-loaded core/shell PMMA/silk fibroin electrospun fibers for vital pulp regeneration. Colloids Surf B Biointerfaces 2023; 222:113078. [PMID: 36525752 DOI: 10.1016/j.colsurfb.2022.113078] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/22/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022]
Abstract
Use of injectable hydrogels attract attention in the regeneration of dental pulp due to their ability to fill non-uniform voids such as pulp cavities. Here, gelatin methacrylate/thiolated pectin hydrogels (GelMA/PecTH) carrying electrospun core/shell fibers of melatonin (Mel)-polymethylmethacrylate (PMMA)/Tideglusib (Td)-silk fibroin (SF) were designed as an injectable hydrogel for vital pulp regeneration, through prolonged release of Td and Mel to induce proliferation and odontoblastic differentiation of dental pulp stem cells (DPSC). H NMR and FTIR confirmed methacrylation of Gel and thiolation of Pec. Addition of PMMA/SF increased degradation and water retention capacities of GelMA/PecTH. Rheological analyses and syringe tests proved the injectability of the hydrogel systems. Release studies indicated that Td and Mel were released from the fibers inside the hydrogels sequentially due to their specific locations. This release pattern from the hydrogels resulted in DPSC proliferation and odontogenic differentiation in vitro. Gene expression studies showed that the upregulation of DMP1, DSPP, and Axin-2 genes was promoted by GelMA/PecTH carrying PMMA/SF loaded with Mel (50 µg/mL) and Td (200 nM), respectively. Our results suggest that this hydrogel system holds promise for use in the regeneration of pulp tissue.
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Affiliation(s)
- Deniz Atila
- Department of Engineering Sciences, Middle East Technical University, Ankara 06800, Turkey; MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara 06800, Turkey; BIOMATEN, CoE in Biomaterials & Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey; Institute of Biomedical Engineering & Nanomedicine (IBEN), National Health Research Institutes, Miaoli 35053, Taiwan
| | - Dilek Keskin
- Department of Engineering Sciences, Middle East Technical University, Ankara 06800, Turkey; MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara 06800, Turkey; BIOMATEN, CoE in Biomaterials & Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey
| | - Yuan-Ling Lee
- School of Dentistry and Graduate Institute of Clinical Dentistry, National Taiwan University and Hospital, Taipei 106216, Taiwan
| | - Feng-Huei Lin
- Institute of Biomedical Engineering & Nanomedicine (IBEN), National Health Research Institutes, Miaoli 35053, Taiwan; Institute of Biomedical Engineering, College of Medicine & College of Engineering, National Taiwan University, Taipei 106216, Taiwan
| | - Vasif Hasirci
- BIOMATEN, CoE in Biomaterials & Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey; Department of Biomedical Engineering, Acibadem Mehmet Ali Aydinlar University (ACU), Istanbul 34758, Turkey
| | - Ayşen Tezcaner
- Department of Engineering Sciences, Middle East Technical University, Ankara 06800, Turkey; MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara 06800, Turkey; BIOMATEN, CoE in Biomaterials & Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey.
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Mitchell J, Lo KWH. Small molecule-mediated regenerative engineering for craniofacial and dentoalveolar bone. Front Bioeng Biotechnol 2022; 10:1003936. [PMID: 36406208 PMCID: PMC9667056 DOI: 10.3389/fbioe.2022.1003936] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/18/2022] [Indexed: 09/29/2023] Open
Abstract
The comprehensive reconstruction of extensive craniofacial and dentoalveolar defects remains a major clinical challenge to this day, especially in complex medical cases involving cancer, cranioplasty, and traumatic injury. Currently, osteogenic small molecule-based compounds have been explored extensively to repair and regenerate bone tissue because of their unique advantages. Over the past few years, a number of small molecules with the potential of craniofacial and periodontal bone tissue regeneration have been reported in literature. In this review, we discuss current progress using small molecules to regulate cranial and periodontal bone regeneration. Future directions of craniofacial bone regenerative engineering using the small molecule-based compounds will be discussed as well.
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Affiliation(s)
- Juan Mitchell
- School of Dental Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Kevin W. H. Lo
- School of Medicine, Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT, United States
- Department of Medicine, Division of Endocrinology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
- Department of Biomedical Engineering, School of Engineering, University of Connecticut, Storrs, CT, United States
- School of Engineering, Institute of Materials Science (IMS), University of Connecticut, Storrs, CT, United States
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Comeau-Gauthier M, Tarchala M, Luna JLRG, Harvey E, Merle G. Unleashing β-catenin with a new anti-Alzheimer drug for bone tissue regeneration. Injury 2020; 51:2449-2459. [PMID: 32829895 DOI: 10.1016/j.injury.2020.07.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/18/2020] [Indexed: 02/02/2023]
Abstract
The Wnt/β-catenin signaling pathway is critical for bone differentiation and regeneration. Tideglusib, a selective FDA approved glycogen synthase kinase-3β (GSK-3β) inhibitor, has been shown to promote dentine formation, but its effect on bone has not been examined. Our objective was to study the effect of localized Tideglusib administration on bone repair. Bone healing between Tideglusib treated and control mice was analysed at 7, 14 and 28 days postoperative (PO) with microCT, dynamic histomorphometry and immunohistology. There was a local downregulation of GSK-3β in Tideglusib animals, resulting in a significant increase in the amount of new bone formation with both enhanced cortical bone bridging and medullary bone deposition. The bone formation in the Tideglusib group was characterized by early osteoblast differentiation with down-regulation of GSK-3β at day 7 and 14, and higher accumulation of active β-catenin at day 14. Here, for the first time, we show a positive effect of Tideglusib on bone formation through the inactivation of GSK-3β. Furthermore, the findings suggest that Tideglusib does not interfere with precursor cell recruitment and commitment, contrary to other GSK-3β antagonists such as lithium chloride. Taken together, the results indicate that Tideglusib could be used directly at a fracture site during the initial intraoperative internal fixation without the need for further surgery, injection or drug delivery system. This FDA-approved drug may be useful in the future for the prevention of non-union in patients presenting with a high risk for fracture-healing.
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Affiliation(s)
- Marianne Comeau-Gauthier
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Experimental Surgery, Faculty of Medicine, McGill University. Rue de la Montaigne, Montreal, QC, Canada.
| | - Magdalena Tarchala
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Montreal General Hospital, 1650 Cedar Avenue, Room A10-110, Montreal, Qc., H3G 1A4 Canada.
| | - Jose Luis Ramirez-Garcia Luna
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Experimental Surgery, Faculty of Medicine, McGill University. Rue de la Montaigne, Montreal, QC, Canada; Montreal General Hospital, 1650 Cedar Avenue, Room A10-110, Montreal, Qc., H3G 1A4 Canada.
| | - Edward Harvey
- Department of Surgery, Division of Orthopedic Surgery, McGill University, Montreal, Canada; Bone Engineering Labs, Montreal General Hospital, 1650 Cedar Avenue, Room C10-124, Montreal, Qc., H3G 1A4 Canada.
| | - Geraldine Merle
- Chemical Engineering Department, Polytechnique J.-A.-Bombardier building Polytechnique Montréal C.P. 6079, succ. Centre-ville, Montréal (Québec), H3C 3A7, Canada.
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