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Alavi SE, Gholami M, Shahmabadi HE, Reher P. Resorbable GBR Scaffolds in Oral and Maxillofacial Tissue Engineering: Design, Fabrication, and Applications. J Clin Med 2023; 12:6962. [PMID: 38002577 PMCID: PMC10672220 DOI: 10.3390/jcm12226962] [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: 10/12/2023] [Revised: 11/02/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023] Open
Abstract
Guided bone regeneration (GBR) is a promising technique in bone tissue engineering that aims to replace lost or injured bone using resorbable scaffolds. The promotion of osteoblast adhesion, migration, and proliferation is greatly aided by GBR materials, and surface changes are critical in imitating the natural bone structure to improve cellular responses. Moreover, the interactions between bioresponsive scaffolds, growth factors (GFs), immune cells, and stromal progenitor cells are essential in promoting bone regeneration. This literature review comprehensively discusses various aspects of resorbable scaffolds in bone tissue engineering, encompassing scaffold design, materials, fabrication techniques, and advanced manufacturing methods, including three-dimensional printing. In addition, this review explores surface modifications to replicate native bone structures and their impact on cellular responses. Moreover, the mechanisms of bone regeneration are described, providing information on how immune cells, GFs, and bioresponsive scaffolds orchestrate tissue healing. Practical applications in clinical settings are presented to underscore the importance of these principles in promoting tissue integration, healing, and regeneration. Furthermore, this literature review delves into emerging areas of metamaterials and artificial intelligence applications in tissue engineering and regenerative medicine. These interdisciplinary approaches hold immense promise for furthering bone tissue engineering and improving therapeutic outcomes, leading to enhanced patient well-being. The potential of combining material science, advanced manufacturing, and cellular biology is showcased as a pathway to advance bone tissue engineering, addressing a variety of clinical needs and challenges. By providing this comprehensive narrative, a detailed, up-to-date account of resorbable scaffolds' role in bone tissue engineering and their transformative potential is offered.
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Affiliation(s)
- Seyed Ebrahim Alavi
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia; (S.E.A.); (M.G.)
| | - Max Gholami
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia; (S.E.A.); (M.G.)
| | - Hasan Ebrahimi Shahmabadi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan 7717933777, Iran;
| | - Peter Reher
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia; (S.E.A.); (M.G.)
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2
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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3
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Inorganic Nanomaterials in Tissue Engineering. Pharmaceutics 2022; 14:pharmaceutics14061127. [PMID: 35745700 PMCID: PMC9231279 DOI: 10.3390/pharmaceutics14061127] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/10/2022] [Accepted: 05/23/2022] [Indexed: 12/13/2022] Open
Abstract
In recent decades, the demand for replacement of damaged or broken tissues has increased; this poses the attention on problems related to low donor availability. For this reason, researchers focused their attention on the field of tissue engineering, which allows the development of scaffolds able to mimic the tissues’ extracellular matrix. However, tissue replacement and regeneration are complex since scaffolds need to guarantee an adequate hierarchical structured morphology as well as adequate mechanical, chemical, and physical properties to stand the stresses and enhance the new tissue formation. For this purpose, the use of inorganic materials as fillers for the scaffolds has gained great interest in tissue engineering applications, due to their wide range of physicochemical properties as well as their capability to induce biological responses. However, some issues still need to be faced to improve their efficacy. This review focuses on the description of the most effective inorganic nanomaterials (clays, nano-based nanomaterials, metal oxides, metallic nanoparticles) used in tissue engineering and their properties. Particular attention has been devoted to their combination with scaffolds in a wide range of applications. In particular, skin, orthopaedic, and neural tissue engineering have been considered.
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Kilic Bektas C, Zhang W, Mao Y, Wu X, Kohn J, Yelick PC. Self-Assembled Hydrogel Microparticle-Based Tooth-Germ Organoids. Bioengineering (Basel) 2022; 9:bioengineering9050215. [PMID: 35621493 PMCID: PMC9137977 DOI: 10.3390/bioengineering9050215] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022] Open
Abstract
Here, we describe the characterization of tooth-germ organoids, three-dimensional (3D) constructs cultured in vitro with the potential to develop into living teeth. To date, the methods used to successfully create tooth organoids capable of forming functional teeth have been quite limited. Recently, hydrogel microparticles (HMP) have demonstrated utility in tissue repair and regeneration based on their useful characteristics, including their scaffolding ability, effective cell and drug delivery, their ability to mimic the natural tissue extracellular matrix, and their injectability. These outstanding properties led us to investigate the utility of using HMPs (average diameter: 158 ± 32 µm) derived from methacrylated gelatin (GelMA) (degree of substitution: 100%) to create tooth organoids. The tooth organoids were created by seeding human dental pulp stem cells (hDPSCs) and porcine dental epithelial cells (pDE) onto the HMPs, which provided an extensive surface area for the cells to effectively attach and proliferate. Interestingly, the cell-seeded HMPs cultured on low-attachment tissue culture plates with gentle rocking self-assembled into organoids, within which the cells maintained their viability and morphology throughout the incubation period. The self-assembled organoids reached a volume of ~50 mm3 within two weeks of the in vitro tissue culture. The co-cultured hDPSC-HMP and pDE-HMP structures effectively attached to each other without any externally applied forces. The presence of polarized, differentiated dental cells in these composite tooth-bud organoids demonstrated the potential of self-assembled dental cell HMPs to form tooth-bud organoid-like structures for potential applications in tooth regeneration strategies.
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Affiliation(s)
- Cemile Kilic Bektas
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd, Piscataway, NJ 08854, USA; (C.K.B.); (Y.M.); (X.W.); (J.K.)
| | - Weibo Zhang
- Division of Craniofacial and Molecular Genetics, Department of Orthodontics, Tufts University School of Dental Medicine, 1 Kneeland Avenue, Boston, MA 02111, USA;
| | - Yong Mao
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd, Piscataway, NJ 08854, USA; (C.K.B.); (Y.M.); (X.W.); (J.K.)
| | - Xiaohuan Wu
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd, Piscataway, NJ 08854, USA; (C.K.B.); (Y.M.); (X.W.); (J.K.)
| | - Joachim Kohn
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd, Piscataway, NJ 08854, USA; (C.K.B.); (Y.M.); (X.W.); (J.K.)
| | - Pamela C. Yelick
- Division of Craniofacial and Molecular Genetics, Department of Orthodontics, Tufts University School of Dental Medicine, 1 Kneeland Avenue, Boston, MA 02111, USA;
- Correspondence:
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Rosa V, Sriram G, McDonald N, Cavalcanti BN. A critical analysis of research methods and biological experimental models to study pulp regeneration. Int Endod J 2022; 55 Suppl 2:446-455. [PMID: 35218576 PMCID: PMC9311820 DOI: 10.1111/iej.13712] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 12/01/2022]
Abstract
With advances in knowledge and treatment options, pulp regeneration is now a clear objective in clinical dental practice. For this purpose, many methodologies have been developed in attempts to address the putative questions raised both in research and in clinical practice. In the first part of this review, laboratory‐based methods will be presented, analysing the advantages, disadvantages, and benefits of cell culture methodologies and ectopic/semiorthotopic animal studies. This will also demonstrate the need for alignment between two‐dimensional and three‐dimensional laboratory techniques to accomplish the range of objectives in terms of cell responses and tissue differentiation. The second part will cover observations relating to orthotopic animal studies, describing the current models used for this purpose and how they contribute to the translation of regenerative techniques to the clinic.
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Affiliation(s)
- Vinicius Rosa
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Gopu Sriram
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Neville McDonald
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Bruno Neves Cavalcanti
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
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A quantitative analysis of cell bridging kinetics on a scaffold using computer vision algorithms. Acta Biomater 2021; 136:429-440. [PMID: 34571272 DOI: 10.1016/j.actbio.2021.09.042] [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: 03/24/2021] [Revised: 09/19/2021] [Accepted: 09/21/2021] [Indexed: 01/01/2023]
Abstract
Tissue engineering involves the seeding of cells into a structural scaffolding to regenerate the architecture of damaged or diseased tissue. To effectively design a scaffold, an understanding of how cells collectively sense and react to the geometry of their local environment is needed. Advances in the development of melt electro-writing have allowed micron and submicron polymeric fibres to be accurately printed into porous, complex and three-dimensional structures. By using melt electrowriting, we created a geometrically relevant in vitro scaffold model to study cellular spatial-temporal kinetics. These scaffolds were paired with custom computer vision algorithms to investigate cell nuclei, cell membrane actin and scaffold fibres over different pore sizes (200-600 µm) and time points (28 days). We find that cells proliferated much faster in the smaller (200 µm) pores which halved the time until confluence versus larger (500 and 600 µm) pores. Our analysis of stained actin fibres revealed that cells were highly aligned to the fibres and the leading edge of the pore filling front, and we found that cells behind the leading edge were not aligned in any particular direction. This study provides a systematic understanding of cellular spatial temporal kinetics within a 3D in vitro model to inform the design of more effective synthetic tissue engineering scaffolds for tissue regeneration. STATEMENT OF SIGNIFICANCE: Advances in the development of melt electro-writing have allowed micron and submicron polymeric fibres to be accurately printed into porous, complex and three-dimensional structures. By using melt electrowriting, we created a geometrically relevant in vitro model to study cellular spatial-temporal kinetics to provide a systematic understanding of cellular spatial temporal kinetics within a 3D in vitro model. The insights presented in this work help to inform the design of more effective synthetic tissue engineering scaffolds by reducing cell culture time; which is valuable information for the implant or lab-grown-meat industries.
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Zhang S, Li Q, Liu P, Lin C, Tang Z, Wang HL. Three-Dimensional Cell Printed Lock-Key Structure for Oral Soft and Hard Tissue Regeneration. Tissue Eng Part A 2021; 28:13-26. [PMID: 33957771 DOI: 10.1089/ten.tea.2021.0022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Alveolar ridge absorbs rapidly following tooth extraction. To promote implant rehabilitation, an adequate bone and soft tissue volume are required. Three-dimensional (3D) cell printing technique provides the advantages of precise spatial distribution and personalization. In this study, 3D cell printing was used to establish a soft-hard construct that is composed of alginate/gelatin (AG)/gingival fibroblast cells (GFs) and alginate/gelatin/nano-hydroxyapatite (AGH)/bone marrow-derived mesenchymal stem cells (BMSCs). Physicochemical results showed that nano-hydroxyapatite (nHA) added in the bioink maintained its crystalline phase. In addition, an increase of viscosity, the improvement of compressive modulus (p < 0.01), and slow degradation rate (p < 0.01) were found after adding nHA. SEM showed cell stretched and attached well on the surface of the 3D printed construct. At day 7 after printing, the viability of GFs in AG was 94.80% ± 1.14%, while BMSC viability in AGH was 86.59% ± 0.75%. Polymerase chain reaction results indicated that the expression levels of ALP, RUNX-2, and OCN in BMSCs were higher in AGH than AG bioink (p < 0.01). After 8-week implantation into the dorsum of 6- to 8-week-old male athymic and inbred (BALB/c) nude mice, the cellular printed construct displayed a more integrated structure and better healing of subcutaneous tissue compared with the acellular printed construct. In conclusion, this 3D cell printed soft-hard construct exhibits favorable biocompatibility and has potential for alveolar ridge preservation. Impact statement Alveolar ridge resorption after tooth extraction has posed great difficulty in the subsequent restorative procedure. Clinically, to preserve the dimension of alveolar ridge, covering soft tissue healing and underlying bone formation is necessary after tooth extraction. Three-dimensional (3D) cell printing, which can distribute different biomaterials and cells with spatial control, provides a novel approach to develop a customized plug to put in the fresh socket to minimize bone resorption and improve gingiva growth. In this study, an integrated and heterogeneous soft-hard construct with lock-key structure was successfully developed using 3D cell printing. The physicochemical and biological properties were tested in vitro and in vivo. This 3D cell printed soft-hard construct will be a customized plug in alveolar ridge preservation in the future.
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Affiliation(s)
- Shihan Zhang
- Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China
| | - Qing Li
- Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China.,Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Peng Liu
- Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing, China
| | - Chunping Lin
- Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China
| | - Zhihui Tang
- Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China
| | - Hom-Lay Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
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8
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Abstract
Oral organoids are complex 3-dimensional structures that develop from stem cells or organ-specific progenitors through a process of self-organization and re-create architectures and functionalities similar to in vivo organs and tissues in the oral and maxillofacial region. Recently, striking advancements have been made in the construction and application of oral organoids of the tooth, salivary gland, and tongue. Dental epithelial and mesenchymal cells isolated from tooth germs or derived from pluripotent stem cells could generate tooth germ-like organoids by self-organization in a specific culture system. Tooth organoids can also be constructed based on tissue engineering principles by seeding stem cells on a scaffold with the bioregulatory functions of odontogenic differentiation. Two main approaches have been used to construct salivary gland organoids: 1) incubation of salivary gland-derived stem/progenitor cells in a 3-dimensional culture system to form the structure of the gland through mimicking regenerative processes and 2) inducing of pluripotent stem cells to generate embryonic salivary glands by replicating the development process. Taste bud organoids can be generated by embedding isolated circumvallate papilla tissue in Matrigel with a mixture of growth factors, while lingual epithelial organoids have been constructed using lingual stem cells in a suitable culture system containing specific signaling molecules. These oral organoids usually maintain the main functions and characteristic structures of the corresponding organ to a certain extent. Furthermore, using cells isolated from patients, oral organoids could replicate specific diseases such as maxillofacial tumors and tooth dysplasia. Until now, oral organoids have been applied in the study of mechanisms of tooth development, pathology and regeneration of the salivary gland, and precision therapeutics for tongue cancer. These findings strongly demonstrate that the organoid technique is a novel paradigm for the study of the development, pathology, and regeneration of oral and maxillofacial tissue.
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Affiliation(s)
- X Gao
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Y Wu
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - L Liao
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - W Tian
- State Key Laboratory of Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Clinical Research Center for Oral Disease, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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9
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Kim MG, Park CH. Tooth-Supporting Hard Tissue Regeneration Using Biopolymeric Material Fabrication Strategies. Molecules 2020; 25:molecules25204802. [PMID: 33086674 PMCID: PMC7587995 DOI: 10.3390/molecules25204802] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/08/2020] [Accepted: 10/16/2020] [Indexed: 12/13/2022] Open
Abstract
The mineralized tissues (alveolar bone and cementum) are the major components of periodontal tissues and play a critical role to anchor periodontal ligament (PDL) to tooth-root surfaces. The integrated multiple tissues could generate biological or physiological responses to transmitted biomechanical forces by mastication or occlusion. However, due to periodontitis or traumatic injuries, affect destruction or progressive damage of periodontal hard tissues including PDL could be affected and consequently lead to tooth loss. Conventional tissue engineering approaches have been developed to regenerate or repair periodontium but, engineered periodontal tissue formation is still challenging because there are still limitations to control spatial compartmentalization for individual tissues and provide optimal 3D constructs for tooth-supporting tissue regeneration and maturation. Here, we present the recently developed strategies to induce osteogenesis and cementogenesis by the fabrication of 3D architectures or the chemical modifications of biopolymeric materials. These techniques in tooth-supporting hard tissue engineering are highly promising to promote the periodontal regeneration and advance the interfacial tissue formation for tissue integrations of PDL fibrous connective tissue bundles (alveolar bone-to-PDL or PDL-to-cementum) for functioning restorations of the periodontal complex.
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Affiliation(s)
- Min Guk Kim
- Department of Dental Science, Graduate School, Kyungpook National University, Daegu 41940, Korea;
- Department of Dental Biomaterials, School of Dentistry, Kyungpook National University, Daegu 41940, Korea
| | - Chan Ho Park
- Department of Dental Science, Graduate School, Kyungpook National University, Daegu 41940, Korea;
- Department of Dental Biomaterials, School of Dentistry, Kyungpook National University, Daegu 41940, Korea
- Institute for Biomaterials Research and Development, Kyungpook National University, Daegu 41940, Korea
- Correspondence: ; Tel.: +82-53-660-6890
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Rios De La Rosa JM, Spadea A, Donno R, Lallana E, Lu Y, Puri S, Caswell P, Lawrence MJ, Ashford M, Tirelli N. Microfluidic-assisted preparation of RGD-decorated nanoparticles: exploring integrin-facilitated uptake in cancer cell lines. Sci Rep 2020; 10:14505. [PMID: 32879363 PMCID: PMC7468293 DOI: 10.1038/s41598-020-71396-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 08/06/2020] [Indexed: 12/21/2022] Open
Abstract
This study is about fine tuning the targeting capacity of peptide-decorated nanoparticles to discriminate between cells that express different integrin make-ups. Using microfluidic-assisted nanoprecipitation, we have prepared poly(lactic acid-co-glycolic acid) (PLGA) nanoparticles with a PEGylated surface decorated with two different arginine-glycine-aspartic acid (RGD) peptides: one is cyclic (RGDFC) and has specific affinity towards αvβ3 integrin heterodimers; the other is linear (RGDSP) and is reported to bind equally αvβ3 and α5β1. We have then evaluated the nanoparticle internalization in two cell lines with a markedly different integrin fingerprint: ovarian carcinoma A2780 (almost no αvβ3, moderate in α5β1) and glioma U87MG (very high in αvβ3, moderate/high in α5β1). As expected, particles with cyclic RGD were heavily internalized by U87MG (proportional to the peptide content and abrogated by anti-αvβ3) but not by A2780 (same as PEGylated particles). The linear peptide, on the other hand, did not differentiate between the cell lines, and the uptake increase vs. control particles was never higher than 50%, indicating a possible low and unselective affinity for various integrins. The strong preference of U87MG for cyclic (vs. linear) peptide-decorated nanoparticles was shown in 2D culture and further demonstrated in spheroids. Our results demonstrate that targeting specific integrin make-ups is possible and may open the way to more precise treatment, but more efforts need to be devoted to a better understanding of the relation between RGD structure and their integrin-binding capacity.
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Affiliation(s)
- Julio M Rios De La Rosa
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK.
- Cambridge Enterprise Limited, University of Cambridge, The Hauser Forum, 3 Charles Babbage Road, Cambridge, CB3 0GT, UK.
| | - Alice Spadea
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Roberto Donno
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
- Laboratory for Polymers and Biomaterials, Fondazione Istituto Italiano di Tecnologia, 16163, Genova, Italy
| | - Enrique Lallana
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Yu Lu
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Sanyogitta Puri
- Advanced Drug Delivery, Pharmaceutical Sciences, R & D, AstraZeneca, Cambridge, UK
| | - Patrick Caswell
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, M13 9PT, UK
| | - M Jayne Lawrence
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Marianne Ashford
- Advanced Drug Delivery, Pharmaceutical Sciences, R & D, AstraZeneca, Macclesfield, UK
| | - Nicola Tirelli
- North West Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK.
- Laboratory for Polymers and Biomaterials, Fondazione Istituto Italiano di Tecnologia, 16163, Genova, Italy.
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Liu YP, Wang J, Tian ZL, Zhai PS, Wang ZQ, Zhou YM, Ni SL. [Effects of scaffold microstructure and mechanical properties on regeneration of tubular dentin]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2020; 38:314-318. [PMID: 32573141 DOI: 10.7518/hxkq.2020.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tubular dentin is of great significance in the process of tooth tissue and tooth regeneration, because it is not only the structural feature of primary dentin, but also can affect the tooth sensory function, affect the differentiation of dental pulp cells and provide strong mechanical support for teeth. Scaffold is one of the three elements of tissue engineering dentin regeneration. Most experiments on dentin regeneration involve the study of the microstructure and mechanical properties of the scaffold. The microstructure and mechanical characteristics of scaffold materials have important effects on the differentiation and adhesion of odontoblast, it can directly affect the tissue structure of regenerated dentin.
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Affiliation(s)
- Yi-Ping Liu
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Jue Wang
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Zi-Lu Tian
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Pei-Song Zhai
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Zhan-Qi Wang
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Yan-Min Zhou
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
| | - Shi-Lei Ni
- Dept. of Implant Center, Hospital of Stomatology, Jilin University, Changchun 130000, China
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O'Leary C, Soriano L, Fagan-Murphy A, Ivankovic I, Cavanagh B, O'Brien FJ, Cryan SA. The Fabrication and in vitro Evaluation of Retinoic Acid-Loaded Electrospun Composite Biomaterials for Tracheal Tissue Regeneration. Front Bioeng Biotechnol 2020; 8:190. [PMID: 32266229 PMCID: PMC7103641 DOI: 10.3389/fbioe.2020.00190] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 02/27/2020] [Indexed: 12/24/2022] Open
Abstract
Although relatively rare, major trauma to the tracheal region of the airways poses a significant clinical challenge with few effective treatments. Bioengineering and regenerative medicine strategies have the potential to create biocompatible, implantable biomaterial scaffolds, with the capacity to restore lost tissue with functional neo-trachea. The main goal of this study was to develop a nanofibrous polycaprolactone-chitosan (PCL-Chitosan) scaffold loaded with a signaling molecule, all-trans retinoic acid (atRA), as a novel biomaterial approach for tracheal tissue engineering. Using the Spraybase® electrospinning platform, polymer concentration, solvent selection, and instrument parameters were optimized to yield a co-polymer with nanofibers of 181-197 nm in diameter that mimicked tracheobronchial tissue architecture. Thereafter, scaffolds were assessed for their biocompatibility and capacity to induce mucociliary functionalization using the Calu-3 cell line. PCL-Chitosan scaffolds were found to be biocompatible in nature and support Calu-3 cell viability over a 14 day time period. Additionally, the inclusion of atRA did not compromise Calu-3 cell viability, while still achieving an efficient encapsulation of the signaling molecule over a range of atRA concentrations. atRA release from scaffolds led to an increase in mucociliary gene expression at high scaffold loading doses, with augmented MUC5AC and FOXJ1 detected by RT-PCR. Overall, this scaffold integrates a synthetic polymer that has been used in human tracheal stents, a natural polymer generally regarded as safe (GRAS), and a drug with decades of use in patients. Coupled with the scalable nature of electrospinning as a fabrication method, all of these characteristics make the biomaterial outlined in this study amenable as an implantable device for an unmet clinical need in tracheal replacement.
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Affiliation(s)
- Cian O'Leary
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Luis Soriano
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Aidan Fagan-Murphy
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Ivana Ivankovic
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Brenton Cavanagh
- Cellular and Molecular Imaging Core, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Fergal J. O'Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Center for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Sally-Ann Cryan
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
- SFI Center for Research in Medical Devices (CÚRAM), Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Center for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
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Berton F, Porrelli D, Di Lenarda R, Turco G. A Critical Review on the Production of Electrospun Nanofibres for Guided Bone Regeneration in Oral Surgery. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 10:E16. [PMID: 31861582 PMCID: PMC7023267 DOI: 10.3390/nano10010016] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/10/2019] [Accepted: 12/16/2019] [Indexed: 12/12/2022]
Abstract
Nanofibre-based membranes or scaffolds exhibit high surface-to-volume ratio, which allows an improved cell adhesion, representing an attractive subgroup of biomaterials due to their unique properties. Among several techniques of nanofiber production, electrospinning is a cost-effective technique that has been, to date, attractive for several medical applications. Among these, guided bone regeneration is a surgical procedure in which bone regeneration, due to bone atrophy following tooth loss, is "guided" by an occlusive barrier. The membrane should protect the initial blood clot from any compression, shielding the bone matrix during maturation from infiltration of soft tissues cells. This review will focus its attention on the application of electrospinning (ELS) in oral surgery bone regeneration. Despite the abundance of published papers related to the electrospinning technique applied in the field of bone regeneration of the jaws, to the authors' knowledge, no articles report clinical application of these structures. Moreover, only a few records can be found with in vivo application. Therefore, no human studies have to date been detectable. New approaches such as multifunctional multilayering and coupling with bone promoting factors or antimicrobial agents, makes this technology very attractive. However, greater efforts should be made by researchers and companies to turn these results into clinical practice.
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Affiliation(s)
- Federico Berton
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34100 Trieste, Italy; (D.P.); (R.D.L.); (G.T.)
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A non-invasive monitoring of USPIO labeled silk fibroin/hydroxyapatite scaffold loaded DPSCs for dental pulp regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109736. [DOI: 10.1016/j.msec.2019.05.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/31/2019] [Accepted: 05/08/2019] [Indexed: 12/17/2022]
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15
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Fathi-Achachelouei M, Knopf-Marques H, Ribeiro da Silva CE, Barthès J, Bat E, Tezcaner A, Vrana NE. Use of Nanoparticles in Tissue Engineering and Regenerative Medicine. Front Bioeng Biotechnol 2019; 7:113. [PMID: 31179276 PMCID: PMC6543169 DOI: 10.3389/fbioe.2019.00113] [Citation(s) in RCA: 139] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 05/03/2019] [Indexed: 12/12/2022] Open
Abstract
Advances in nanoparticle (NP) production and demand for control over nanoscale systems have had significant impact on tissue engineering and regenerative medicine (TERM). NPs with low toxicity, contrasting agent properties, tailorable characteristics, targeted/stimuli-response delivery potential, and precise control over behavior (via external stimuli such as magnetic fields) have made it possible their use for improving engineered tissues and overcoming obstacles in TERM. Functional tissue and organ replacements require a high degree of spatial and temporal control over the biological events and also their real-time monitoring. Presentation and local delivery of bioactive (growth factors, chemokines, inhibitors, cytokines, genes etc.) and contrast agents in a controlled manner are important implements to exert control over and monitor the engineered tissues. This need resulted in utilization of NP based systems in tissue engineering scaffolds for delivery of multiple growth factors, for providing contrast for imaging and also for controlling properties of the scaffolds. Depending on the application, materials, as polymers, metals, ceramics and their different composites can be utilized for production of NPs. In this review, we will cover the use of NP systems in TERM and also provide an outlook for future potential use of such systems.
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Affiliation(s)
| | - Helena Knopf-Marques
- Inserm UMR 1121, 11 rue Humann, Strasbourg, France
- Protip Medical, 8 Place de l'Hôpital, Strasbourg, France
| | | | - Julien Barthès
- Protip Medical, 8 Place de l'Hôpital, Strasbourg, France
| | - Erhan Bat
- Department of Biomedical Engineering, Middle East Technical University, Ankara, Turkey
- Department of Chemical Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Aysen Tezcaner
- Department of Biomedical Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
- BIOMATEN, METU, Center of Excellence in Biomaterials and Tissue Engineering, Ankara, Turkey
| | - Nihal Engin Vrana
- Inserm UMR 1121, 11 rue Humann, Strasbourg, France
- Protip Medical, 8 Place de l'Hôpital, Strasbourg, France
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Meireles AB, Corrêa DK, da Silveira JVW, Millás ALG, Bittencourt E, de Brito-Melo GEA, González-Torres LA. Trends in polymeric electrospun fibers and their use as oral biomaterials. Exp Biol Med (Maywood) 2018; 243:665-676. [PMID: 29763386 PMCID: PMC6378505 DOI: 10.1177/1535370218770404] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Electrospinning is one of the techniques to produce structured polymeric fibers in the micro or nano scale and to generate novel materials for biomedical proposes. Electrospinning versatility provides fibers that could support different surgical and rehabilitation treatments. However, its diversity in equipment assembly, polymeric materials, and functional molecules to be incorporated in fibers result in profusion of recent biomaterials that are not fully explored, even though the recognized relevance of the technique. The present article describes the main electrospun polymeric materials used in oral applications, and the main aspects and parameters of the technique. Natural and synthetic polymers, blends, and composites were identified from the available literature and recent developments. Main applications of electrospun fibers were focused on drug delivery systems, tissue regeneration, and material reinforcement or modification, although studies require further investigation in order to enable direct use in human. Current and potential usages as biomaterials for oral applications must motivate the development in the use of electrospinning as an efficient method to produce highly innovative biomaterials, over the next few years. Impact statement Nanotechnology is a challenge for many researchers that look for obtaining different materials behaviors by modifying characteristics at a very low scale. Thus, the production of nanostructured materials represents a very important field in bioengineering, in which the electrospinning technique appears as a suitable alternative. This review discusses and provides further explanation on this versatile technique to produce novel polymeric biomaterials for oral applications. The use of electrospun fibers is incipient in oral areas, mainly because of the unfamiliarity with the technique. Provided disclosure, possibilities and state of the art are aimed at supporting interested researchers to better choose proper materials, understand, and design new experiments. This work seeks to encourage many other researchers-Dentists, Biologists, Engineers, Pharmacists-to develop innovative materials from different polymers. We highlight synthetic and natural polymers as trends in treatments to motivate an advance in the worldwide discussion and exploration of this interdisciplinary field.
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Affiliation(s)
- Agnes B Meireles
- Pharmacy Department, Laboratory of Immunology, UFVJM and PPGCF-UFVJM, Diamantina, MG 39100-000, Brazil
| | - Daniella K Corrêa
- Institute of Science and Technology – UFVJM, Diamantina, MG 39100-000, Brazil
| | - João VW da Silveira
- Institute of Science and Technology – UFVJM, Diamantina, MG 39100-000, Brazil
| | - Ana LG Millás
- Chemical Engineering Department, UNICAMP, Campinas, SP 13083-852, Brazil
| | - Edison Bittencourt
- Chemical Engineering Department, UNICAMP, Campinas, SP 13083-852, Brazil
| | - Gustavo EA de Brito-Melo
- Pharmacy Department, Laboratory of Immunology, UFVJM and PPGCF-UFVJM, Diamantina, MG 39100-000, Brazil
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Martins C, Sousa F, Araújo F, Sarmento B. Functionalizing PLGA and PLGA Derivatives for Drug Delivery and Tissue Regeneration Applications. Adv Healthc Mater 2018; 7. [PMID: 29171928 DOI: 10.1002/adhm.201701035] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/27/2017] [Indexed: 12/16/2022]
Abstract
Poly(lactic-co-glycolic) acid (PLGA) is one of the most versatile biomedical polymers, already approved by regulatory authorities to be used in human research and clinics. Due to its valuable characteristics, PLGA can be tailored to acquire desirable features for control bioactive payload or scaffold matrix. Moreover, its chemical modification with other polymers or bioconjugation with molecules may render PLGA with functional properties that make it the Holy Grail among the synthetic polymers to be applied in the biomedical field. In this review, the physical-chemical properties of PLGA, its synthesis, degradation, and conjugation with other polymers or molecules are revised in detail, as well as its applications in drug delivery and regeneration fields. A particular focus is given to successful examples of products already on the market or at the late stages of trials, reinforcing the potential of this polymer in the biomedical field.
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Affiliation(s)
- Cláudia Martins
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
| | - Flávia Sousa
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- ICBAS - Instituto Ciências Biomédicas Abel Salazar; Universidade do Porto; Rua de Jorge Viterbo Ferreira 228 4050-313 Porto Portugal
| | - Francisca Araújo
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
| | - Bruno Sarmento
- I3S - Instituto de Investigação e Inovação em Saúde; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- INEB - Instituto de Engenharia Biomédica; Universidade do Porto; Rua Alfredo Allen 208 4200-393 Porto Portugal
- CESPU - Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde; Rua Central de Gandra 1317 4585-116 Gandra Portugal
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