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Fink TD, Funnell JL, Gilbert RJ, Zha RH. One-Pot Assembly of Drug-Eluting Silk Coatings with Applications for Nerve Regeneration. ACS Biomater Sci Eng 2024; 10:482-496. [PMID: 38109315 DOI: 10.1021/acsbiomaterials.3c01042] [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] [Indexed: 12/20/2023]
Abstract
Clinical use of polymeric scaffolds for tissue engineering often suffers from their inability to promote strong cellular interactions. Functionalization with biomolecules may improve outcomes; however, current functionalization approaches using covalent chemistry or physical adsorption can lead to loss of biomolecule bioactivity. Here, we demonstrate a novel bottom-up approach for enhancing the bioactivity of poly(l-lactic acid) electrospun scaffolds though interfacial coassembly of protein payloads with silk fibroin into nanothin coatings. In our approach, protein payloads are first added into an aqueous solution with Bombyx mori-derived silk fibroin. Phosphate anions are then added to trigger coassembly of the payload and silk fibroin, as well as noncovalent formation of a payload-silk fibroin coating at poly(l-lactic) acid fiber surfaces. Importantly, the coassembly process results in homogeneous distribution of protein payloads, with the loading quantity depending on payload concentration in solution and coating time. This coassembly process yields greater loading capacity than physical adsorption methods, and the payloads can be released over time in physiologically relevant conditions. We also demonstrate that the coating coassembly process can incorporate nerve growth factor and that coassembled coatings lead to significantly more neurite extension than loading via adsorption in a rat dorsal root ganglia explant culture model.
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Affiliation(s)
- Tanner D Fink
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
- Shirley Ann Jackson, Ph. D. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Jessica L Funnell
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
- Shirley Ann Jackson, Ph. D. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Ryan J Gilbert
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
- Shirley Ann Jackson, Ph. D. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - R Helen Zha
- Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
- Shirley Ann Jackson, Ph. D. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
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Madappura AP, Madduri S. A comprehensive review of silk-fibroin hydrogels for cell and drug delivery applications in tissue engineering and regenerative medicine. Comput Struct Biotechnol J 2023; 21:4868-4886. [PMID: 37860231 PMCID: PMC10583100 DOI: 10.1016/j.csbj.2023.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/21/2023] Open
Abstract
Hydrogel scaffolds hold great promise for developing novel treatment strategies in the field of regenerative medicine. Within this context, silk fibroin (SF) has proven to be a versatile material for a wide range of tissue engineering applications owing to its structural and functional properties. In the present review, we report on the design and fabrication of different forms of SF-based scaffolds for tissue regeneration applications, particularly for skin, bone, and neural tissues. In particular, SF hydrogels have emerged as delivery systems for a wide range of bio-actives. Given the growing interest in the field, this review has a primary focus on the fabrication, characterization, and properties of SF hydrogels. We also discuss their potential for the delivery of drugs, stem cells, genes, peptides, and growth factors, including future directions in the field of SF hydrogel scaffolds.
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Affiliation(s)
- Alakananda Parassini Madappura
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 300044 Hsinchu, Taiwan, Republic of China
| | - Srinivas Madduri
- Department of Biomedical Engineering, University of Basel, Basel, Switzerland
- Department of Surgery, University of Geneva, Geneva, Switzerland
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3
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Su X, Wei L, Xu Z, Qin L, Yang J, Zou Y, Zhao C, Chen L, Hu N. Evaluation and Application of Silk Fibroin Based Biomaterials to Promote Cartilage Regeneration in Osteoarthritis Therapy. Biomedicines 2023; 11:2244. [PMID: 37626740 PMCID: PMC10452428 DOI: 10.3390/biomedicines11082244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/27/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Osteoarthritis (OA) is a common joint disease characterized by cartilage damage and degeneration. Traditional treatments such as NSAIDs and joint replacement surgery only relieve pain and do not achieve complete cartilage regeneration. Silk fibroin (SF) biomaterials are novel materials that have been widely studied and applied to cartilage regeneration. By mimicking the fibrous structure and biological activity of collagen, SF biomaterials can promote the proliferation and differentiation of chondrocytes and contribute to the formation of new cartilage tissue. In addition, SF biomaterials have good biocompatibility and biodegradability and can be gradually absorbed and metabolized by the human body. Studies in recent years have shown that SF biomaterials have great potential in treating OA and show good clinical efficacy. Therefore, SF biomaterials are expected to be an effective treatment option for promoting cartilage regeneration and repair in patients with OA. This article provides an overview of the biological characteristics of SF, its role in bone and cartilage injuries, and its prospects in clinical applications to provide new perspectives and references for the field of bone and cartilage repair.
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Affiliation(s)
- Xudong Su
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Li Wei
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Zhenghao Xu
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Leilei Qin
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Jianye Yang
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Yinshuang Zou
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Chen Zhao
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Li Chen
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
| | - Ning Hu
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- Laboratory of Orthopedics, Chongqing Medical University, Chongqing 400016, China
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Martelli A, Bellucci D, Cannillo V. Additive Manufacturing of Polymer/Bioactive Glass Scaffolds for Regenerative Medicine: A Review. Polymers (Basel) 2023; 15:polym15112473. [PMID: 37299270 DOI: 10.3390/polym15112473] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/19/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Tissue engineering (TE) is a branch of regenerative medicine with enormous potential to regenerate damaged tissues using synthetic grafts such as scaffolds. Polymers and bioactive glasses (BGs) are popular materials for scaffold production because of their tunable properties and ability to interact with the body for effective tissue regeneration. Due to their composition and amorphous structure, BGs possess a significant affinity with the recipient's tissue. Additive manufacturing (AM), a method that allows the creation of complex shapes and internal structures, is a promising approach for scaffold production. However, despite the promising results obtained so far, several challenges remain in the field of TE. One critical area for improvement is tailoring the mechanical properties of scaffolds to meet specific tissue requirements. In addition, achieving improved cell viability and controlled degradation of scaffolds is necessary to ensure successful tissue regeneration. This review provides a critical summary of the potential and limitations of polymer/BG scaffold production via AM covering extrusion-, lithography-, and laser-based 3D-printing techniques. The review highlights the importance of addressing the current challenges in TE to develop effective and reliable strategies for tissue regeneration.
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Affiliation(s)
- Andrea Martelli
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via. P. Vivarelli 10, 41125 Modena, Italy
| | - Devis Bellucci
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via. P. Vivarelli 10, 41125 Modena, Italy
| | - Valeria Cannillo
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via. P. Vivarelli 10, 41125 Modena, Italy
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5
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Li G, Shen W, Chu M, Mo G, Yao L, Xu W. Effect of inoculation density of bone marrow mesenchymal stem cells cultured on calcium phosphate cement scaffold on osteogenic differentiation. Biomed Mater Eng 2023; 34:111-121. [PMID: 35871314 DOI: 10.3233/bme-221394] [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: 11/15/2022]
Abstract
BACKGROUND Calcium phosphate cements (CPCs) are biocompatible materials that have been evaluated as scaffolds in bone tissue engineering. At present, the stem cell density of inoculation on CPC scaffold varies. OBJECTIVE The aim of this study is to analyze the effect of seeding densities on cell growth and osteogenic differentiation of bone marrow mesenchymal stem cells (BMMSCs) on a calcium phosphate cements (CPCs) scaffold. METHODS BMMSCs derived from minipigs were seeded onto a CPC scaffold at three densities [1 million/mL (1M), 5 million/mL (5M) and 25 million/mL 25M)], and cultured for osteogenic induction for 1, 4 and 8 days. RESULTS Well adhered and extended BMMSCs on the CPC scaffold showed significantly different proliferation rates within each seeding density group at different time points (P < 0.05). The number of live cells per unit area in 1M, 5M and 25M increased by 3.5, 3.9 and 2.5 folds respectively. The expression of ALP peaked at 4 days post inoculation with the fold-change being 2.6 and 2.8 times higher in 5M and 25M respectively as compared to 1M. The expression levels of OC, Coll-1 and Runx-2 peaked at 8 days post inoculation. CONCLUSIONS An optimal seeding density may be more conducive for cell proliferation, differentiation, and extracellular matrix synthesis on scaffolds. We suggest the optimal seeding density should be 5 million/mL.
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Affiliation(s)
- Guangjun Li
- Department of Orthopedics, Deqing People's Hospital, Deqing, Zhejiang, China
| | - Wen Shen
- Department of Radiology, Deqing People's Hospital, Deqing, Zhejiang, China
| | - Minghui Chu
- Department of Orthopedics, Deqing People's Hospital, Deqing, Zhejiang, China
| | - Guowei Mo
- Department of Orthopedics, Deqing People's Hospital, Deqing, Zhejiang, China
| | - Liqin Yao
- Department of Orthopedics, Deqing People's Hospital, Deqing, Zhejiang, China
| | - Weidong Xu
- Department of Orthopedics, Deqing People's Hospital, Deqing, Zhejiang, China
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6
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Tahmasebi E, Mohammadi M, Alam M, Abbasi K, Gharibian Bajestani S, Khanmohammad R, Haseli M, Yazdanian M, Esmaeili Fard Barzegar P, Tebyaniyan H. The current regenerative medicine approaches of craniofacial diseases: A narrative review. Front Cell Dev Biol 2023; 11:1112378. [PMID: 36926524 PMCID: PMC10011176 DOI: 10.3389/fcell.2023.1112378] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/08/2023] [Indexed: 03/08/2023] Open
Abstract
Craniofacial deformities (CFDs) develop following oncological resection, trauma, or congenital disorders. Trauma is one of the top five causes of death globally, with rates varying from country to country. They result in a non-healing composite tissue wound as they degenerate in soft or hard tissues. Approximately one-third of oral diseases are caused by gum disease. Due to the complexity of anatomical structures in the region and the variety of tissue-specific requirements, CFD treatments present many challenges. Many treatment methods for CFDs are available today, such as drugs, regenerative medicine (RM), surgery, and tissue engineering. Functional restoration of a tissue or an organ after trauma or other chronic diseases is the focus of this emerging field of science. The materials and methodologies used in craniofacial reconstruction have significantly improved in the last few years. A facial fracture requires bone preservation as much as possible, so tiny fragments are removed initially. It is possible to replace bone marrow stem cells with oral stem cells for CFDs due to their excellent potential for bone formation. This review article discusses regenerative approaches for different types of craniofacial diseases.
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Affiliation(s)
- Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mehdi Mohammadi
- School of Dentistry, Tehran Branch, Islamic Azad University, 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
| | - Saeed Gharibian Bajestani
- Student Research Committee, Dentistry Research Center, Research Institute of Dental Sciences, Dental School, Shahid Behesti University of Medical Sciences, Tehran, Iran
| | - Rojin Khanmohammad
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Mohsen Haseli
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Mohsen Yazdanian
- 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
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7
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Wu J, Wang S, Zheng Z, Li J. Fabrication of Biologically Inspired Electrospun Collagen/Silk fibroin/bioactive glass composited nanofibrous scaffold to accelerate the treatment efficiency of bone repair. Regen Ther 2022; 21:122-138. [PMID: 35844293 PMCID: PMC9253997 DOI: 10.1016/j.reth.2022.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 04/15/2022] [Accepted: 05/15/2022] [Indexed: 12/03/2022] Open
Abstract
Bone disease and disorder treatment might be difficult because of its complicated nature. Millions of patients each year need bone substitutes that may help them recover quickly from a variety of illnesses. Synthetic bone replacements that mirror the structural, chemical, and biological features of bone matrix structure will be very helpful and in high demand. In this research, the inorganic bioactive glass nanoparticles matrixed with organic collagen and silk fibroin structure (COL/SF/CaO-SiO2) were used to create multifunctional bone-like fibers in this study, which we describe here. The fiber structure is organized in a layered fashion comparable to the sequence in which apatite and neo tissue are formed. The amino groups in COL and SF combined with CaO-SiO2 to stabilize the resulting composite nanofiber. Morphological and functional studies confirmed that crystalline CaO-SiO2 nanoparticles with average sizes of 20 ± 5 nm are anchored on a 115 ± 10 nm COL/SF nanofiber matrix. X-ray photoelectron spectroscopic (XPS) results confirmed the presence of C, N, O, Ca, and Si in the composite fiber with an atomic percentage of 59.46, 3.30, 20.25, 3.38 and 13.61%. respectively. The biocompatibility examination with osteoblast cells (Saos-2) revealed that the CAL/SF/CaO-SiO2 composite nanofiber had enhanced osteogenic activity. Finally, when the CAL/SF/CaO-SiO2 composite nanofiber scaffolds were used to treat an osteoporotic bone defect in a rat model, the composite nanofiber scaffolds significantly promoted bone regeneration and vascularization. This novel fibrous scaffold class represents a potential breakthrough in the design of advanced materials for complicated bone regeneration.
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Affiliation(s)
- Jianjun Wu
- Department of Spine Surgery, The Third Clinical Medical College, Fujian Medical University
- Department of Spine Surgery, Fuzhou Second Hospital, PR China
- Corresponding author. No. 47, Shangteng Road, Cangshan District, Fuzhou 350007, Fujian Province, China.
| | - Shengxuan Wang
- Department of Spine Surgery, The Third Clinical Medical College, Fujian Medical University
- Department of Spine Surgery, Fuzhou Second Hospital, PR China
| | - Zhong Zheng
- Department of Spine Surgery, The Third Clinical Medical College, Fujian Medical University
- Department of Spine Surgery, Fuzhou Second Hospital, PR China
| | - Jianbao Li
- Department of Spine Surgery, The Third Clinical Medical College, Fujian Medical University
- Department of Spine Surgery, Fuzhou Second Hospital, PR China
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8
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Mahapatra C, Kumar P, Paul MK, Kumar A. Angiogenic stimulation strategies in bone tissue regeneration. Tissue Cell 2022; 79:101908. [DOI: 10.1016/j.tice.2022.101908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/24/2022] [Accepted: 08/22/2022] [Indexed: 11/28/2022]
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9
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Lin S, Yin S, Shi J, Yang G, Wen X, Zhang W, Zhou M, Jiang X. Orchestration of energy metabolism and osteogenesis by Mg2+ facilitates low-dose BMP-2-driven regeneration. Bioact Mater 2022; 18:116-127. [PMID: 35387176 PMCID: PMC8961427 DOI: 10.1016/j.bioactmat.2022.03.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/26/2022] [Accepted: 03/13/2022] [Indexed: 12/03/2022] Open
Abstract
The clinical application of bone morphogenetic protein-2 (BMP-2) is limited by several factors, including ineffectiveness at low doses and severe adverse effects at high doses. To address these efficacy and safety limitations, we explored whether orchestration of energy metabolism and osteogenesis by magnesium ion (Mg2+) could reduce the dose and thereby improve the safety of BMP-2. Our results demonstrated that rapid metabolic activation triggered by BMP-2 was indispensable for subsequent osteogenesis. Moreover, inadequate metabolic stimulation was shown to be responsible for the ineffectiveness of low-dose BMP-2. Next, we identified that Mg2+, as an ''energy propellant", substantially increased cellular bioenergetic levels to support the osteogenesis via the Akt-glycolysis-Mrs2-mitochondrial axis, and consequently enhanced the osteoinductivity of BMP-2. Based on the mechanistic discovery, microgel composite hydrogels were fabricated as low-dose BMP-2/Mg2+ codelivery system through microfluidic and 3D printing technologies. An in vivo study further confirmed that rapid and robust bone regeneration was induced by the codelivery system. Collectively, these results suggest that this bioenergetic-driven, cost-effective, low-dose BMP-2-based strategy has substantial potential for bone repair. BMP-2 triggered rapid metabolic adaption, characterized by the successive activation of glycolysis and OxPhos. Inadequate activation of metabolic state led to the ineffectiveness of low-dose BMP-2. Mg2+ elevated the bioenergetic levels and enhance the efficacy of BMP-2 via the Akt-glycolysis-Mrs2-mitochondrial axis. Composite hydrogels with BMP-2 and "energy propellant" Mg2+ were fabricated to orchestrate metabolism and osteogenesis. The hydrogels achieved efficient low-dose BMP-2-driven regeneration in vivo.
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10
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Tan XH, Liu L, Mitryashkin A, Wang Y, Goh JCH. Silk Fibroin as a Bioink - A Thematic Review of Functionalization Strategies for Bioprinting Applications. ACS Biomater Sci Eng 2022; 8:3242-3270. [PMID: 35786841 DOI: 10.1021/acsbiomaterials.2c00313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Bioprinting is an emerging tissue engineering technique that has attracted the attention of researchers around the world, for its ability to create tissue constructs that recapitulate physiological function. While the technique has been receiving hype, there are still limitations to the use of bioprinting in practical applications, much of which is due to inappropriate bioink design that is unable to recapitulate complex tissue architecture. Silk fibroin (SF) is an exciting and promising bioink candidate that has been increasingly popular in bioprinting applications because of its processability, biodegradability, and biocompatibility properties. However, due to its lack of optimum gelation properties, functionalization strategies need to be employed so that SF can be effectively used in bioprinting applications. These functionalization strategies are processing methods which allow SF to be compatible with specific bioprinting techniques. Previous literature reviews of SF as a bioink mainly focus on discussing different methods to functionalize SF as a bioink, while a comprehensive review on categorizing SF functional methods according to their potential applications is missing. This paper seeks to discuss and compartmentalize the different strategies used to functionalize SF for bioprinting and categorize the strategies for each bioprinting method (namely, inkjet, extrusion, and light-based bioprinting). By compartmentalizing the various strategies for each printing method, the paper illustrates how each strategy is better suited for a target tissue application. The paper will also discuss applications of SF bioinks in regenerating various tissue types and the challenges and future trends that SF can take in its role as a bioink material.
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Affiliation(s)
- Xuan Hao Tan
- Department of Biomedical Engineering, College of Engineering and Design, National University of Singapore, 15 Kent Ridge Crescent, E7-06-03, Singapore 119276, Singapore.,Integrative Sciences and Engineering Programme, National University of Singapore, University Hall, Tan Chin Tuan Wing, #05-03, 21 Lower Kent Ridge Road, Singapore 119077, Singapore
| | - Ling Liu
- Department of Biomedical Engineering, College of Engineering and Design, National University of Singapore, 15 Kent Ridge Crescent, E7-06-03, Singapore 119276, Singapore
| | - Alexander Mitryashkin
- Department of Biomedical Engineering, College of Engineering and Design, National University of Singapore, 15 Kent Ridge Crescent, E7-06-03, Singapore 119276, Singapore
| | - Yunyun Wang
- Department of Biomedical Engineering, College of Engineering and Design, National University of Singapore, 15 Kent Ridge Crescent, E7-06-03, Singapore 119276, Singapore
| | - James Cho Hong Goh
- Department of Biomedical Engineering, College of Engineering and Design, National University of Singapore, 15 Kent Ridge Crescent, E7-06-03, Singapore 119276, Singapore.,Integrative Sciences and Engineering Programme, National University of Singapore, University Hall, Tan Chin Tuan Wing, #05-03, 21 Lower Kent Ridge Road, Singapore 119077, Singapore.,Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore 119288, Singapore
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11
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Ghaffari-Bohlouli P, Jafari H, Taebnia N, Abedi A, Amirsadeghi A, Niknezhad SV, Alimoradi H, Jafarzadeh S, Mirzaei M, Nie L, Zhang J, Varma RS, Shavandi A. Protein by-products: Composition, extraction, and biomedical applications. Crit Rev Food Sci Nutr 2022; 63:9436-9481. [PMID: 35546340 DOI: 10.1080/10408398.2022.2067829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Significant upsurge in animal by-products such as skin, bones, wool, hides, feathers, and fats has become a global challenge and, if not properly disposed of, can spread contamination and viral diseases. Animal by-products are rich in proteins, which can be used as nutritional, pharmacologically functional ingredients, and biomedical materials. Therefore, recycling these abundant and renewable by-products and extracting high value-added components from them is a sustainable approach to reclaim animal by-products while addressing scarce landfill resources. This article appraises the most recent studies conducted in the last five years on animal-derived proteins' separation and biomedical application. The effort encompasses an introduction about the composition, an overview of the extraction and purification methods, and the broad range of biomedical applications of these ensuing proteins.
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Affiliation(s)
| | - Hafez Jafari
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Nayere Taebnia
- Center for Intestinal Absorption and Transport of Biopharmaceuticals, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ali Abedi
- Department of Life Science Engineering, Faculty of New Sciences and Technology, University of Tehran, Tehran, Iran
| | - Armin Amirsadeghi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Houman Alimoradi
- School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Sina Jafarzadeh
- Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Mahta Mirzaei
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Lei Nie
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, P.R. China
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic
| | - Amin Shavandi
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
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12
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Yazdanpanah Z, Johnston JD, Cooper DML, Chen X. 3D Bioprinted Scaffolds for Bone Tissue Engineering: State-Of-The-Art and Emerging Technologies. Front Bioeng Biotechnol 2022; 10:824156. [PMID: 35480972 PMCID: PMC9035802 DOI: 10.3389/fbioe.2022.824156] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/03/2022] [Indexed: 12/12/2022] Open
Abstract
Treating large bone defects, known as critical-sized defects (CSDs), is challenging because they are not spontaneously healed by the patient’s body. Due to the limitations associated with conventional bone grafts, bone tissue engineering (BTE), based on three-dimensional (3D) bioprinted scaffolds, has emerged as a promising approach for bone reconstitution and treatment. Bioprinting technology allows for incorporation of living cells and/or growth factors into scaffolds aiming to mimic the structure and properties of the native bone. To date, a wide range of biomaterials (either natural or synthetic polymers), as well as various cells and growth factors, have been explored for use in scaffold bioprinting. However, a key challenge that remains is the fabrication of scaffolds that meet structure, mechanical, and osteoconductive requirements of native bone and support vascularization. In this review, we briefly present the latest developments and discoveries of CSD treatment by means of bioprinted scaffolds, with a focus on the biomaterials, cells, and growth factors for formulating bioinks and their bioprinting techniques. Promising state-of-the-art pathways or strategies recently developed for bioprinting bone scaffolds are highlighted, including the incorporation of bioactive ceramics to create composite scaffolds, the use of advanced bioprinting technologies (e.g., core/shell bioprinting) to form hybrid scaffolds or systems, as well as the rigorous design of scaffolds by taking into account of the influence of such parameters as scaffold pore geometry and porosity. We also review in-vitro assays and in-vivo models to track bone regeneration, followed by a discussion of current limitations associated with 3D bioprinting technologies for BTE. We conclude this review with emerging approaches in this field, including the development of gradient scaffolds, four-dimensional (4D) printing technology via smart materials, organoids, and cell aggregates/spheroids along with future avenues for related BTE.
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Affiliation(s)
- Zahra Yazdanpanah
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- *Correspondence: Zahra Yazdanpanah,
| | - James D. Johnston
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - David M. L. Cooper
- Department of Anatomy Physiology and Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Xiongbiao Chen
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
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13
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Potential of Bone-Marrow-Derived Mesenchymal Stem Cells for Maxillofacial and Periodontal Regeneration: A Narrative Review. Int J Dent 2021; 2021:4759492. [PMID: 34795761 PMCID: PMC8594991 DOI: 10.1155/2021/4759492] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/19/2021] [Accepted: 10/25/2021] [Indexed: 12/11/2022] Open
Abstract
Bone-marrow-derived mesenchymal stem cells (BM-MSCs) are one of the most widely studied postnatal stem cell populations and are considered to utilize more frequently in cell-based therapy and cancer. These types of stem cells can undergo multilineage differentiation including blood cells, cardiac cells, and osteogenic cells differentiation, thus providing an alternative source of mesenchymal stem cells (MSCs) for tissue engineering and personalized medicine. Despite the ability to reprogram human adult somatic cells to induced pluripotent stem cells (iPSCs) in culture which provided a great opportunity and opened the new door for establishing the in vitro disease modeling and generating an unlimited source for cell base therapy, using MSCs for regeneration purposes still have a great chance to cure diseases. In this review, we discuss the important issues in MSCs biology including the origin and functions of MSCs and their application for craniofacial and periodontal tissue regeneration, discuss the potential and clinical applications of this type of stem cells in differentiation to maxillofacial bone and cartilage in vitro, and address important future hopes and challenges in this field.
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14
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Fitzpatrick V, Martín-Moldes Z, Deck A, Torres-Sanchez R, Valat A, Cairns D, Li C, Kaplan DL. Functionalized 3D-printed silk-hydroxyapatite scaffolds for enhanced bone regeneration with innervation and vascularization. Biomaterials 2021; 276:120995. [PMID: 34256231 PMCID: PMC8408341 DOI: 10.1016/j.biomaterials.2021.120995] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 06/20/2021] [Accepted: 06/24/2021] [Indexed: 02/07/2023]
Abstract
Our goal was to generate functionalized 3D-printed scaffolds for bone regeneration using silk-hydroxyapatite bone cements and osteoinductive, proangiogenic and neurotrophic growth factors or morphogens for accelerated bone formation. 3D printing was utilized to generate macroporous scaffolds with controlled geometries and architectures that promote osseointegration. We build on the knowledge that the osteoinductive factor Bone Morphogenetic Protein-2 (BMP2) can also positively impact vascularization, Vascular Endothelial Growth Factor (VEGF) can impact osteoblastic differentiation, and that Neural Growth Factor (NGF)-mediated signaling can influence bone regeneration. We assessed functions on the 3D printed construct via the osteogenic differentiation of human mesenchymal stem cells; migration and proliferation of human umbilical vein endothelial cells; and proliferation of human induced neural stem cells. The scaffolds provided mechanical properties suitable for bone and the materials were cytocompatible, osteoconductive and maintained the activity of the morphogens and cytokines. Synergistic outcomes between BMP-2, VEGF and NGF in terms of osteoblastic differentiation in vitro were identified, based on the upregulation of genes associated with osteoblastic differentiation (Runt-related transcription factor-2, Osteopontin, Bone Sialoprotein). Additional studies will be required to assess these scaffold designs in vivo. These results are expected to have a strong impact in bone regeneration in dental, oral and maxillofacial surgery.
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Affiliation(s)
- Vincent Fitzpatrick
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Zaira Martín-Moldes
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Anna Deck
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | | | - Anne Valat
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Dana Cairns
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Chunmei Li
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA.
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15
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A Chemotactic Functional Scaffold with VEGF-Releasing Peptide Amphiphiles Facilitates Bone Regeneration by BMP-2 in a Large-Scale Rodent Cranial Defect Model. Plast Reconstr Surg 2021; 147:386-397. [PMID: 33235044 DOI: 10.1097/prs.0000000000007551] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Current common techniques for repairing calvarial defects by autologous bone grafting and alloplastic implants have significant limitations. In this study, the authors investigated a novel alternative approach to bone repair based on peptide amphiphile nanofiber gels that are engineered to control the release of vascular endothelial growth factor (VEGF) to recruit circulating stem cells to a site of bone regeneration and facilitate bone healing by bone morphogenetic protein-2 (BMP-2). METHODS VEGF release kinetics from peptide amphiphile gels were evaluated. Chemotactic functional scaffolds were fabricated by combining collagen sponges with peptide amphiphile gels containing VEGF. The in vitro and in vivo chemotactic activities of the scaffolds were evaluated by measuring mesenchymal stem cell migration, and angiogenic capability of the scaffolds was also evaluated. Large-scale rodent cranial bone defects were created to evaluate bone regeneration after implanting the scaffolds and other control materials. RESULTS VEGF was released from peptide amphiphile in a controlled-release manner. In vitro migration of mesenchymal stem cells was significantly greater when exposed to chemotactic functional scaffolds compared to control scaffolds. In vivo chemotaxis was evidenced by migration of tracer-labeled mesenchymal stem cells to the chemotactic functional scaffolds. Chemotactic functional scaffolds showed significantly increased angiogenesis in vivo. Successful bone regeneration was noted in the defects treated with chemotactic functional scaffolds and BMP-2. CONCLUSIONS The authors' observations suggest that this bioengineered construct successfully acts as a chemoattractant for circulating mesenchymal stem cells because of controlled release of VEGF from the peptide amphiphile gels. The chemotactic functional scaffolds may play a role in the future design of clinically relevant bone graft substitutes for large-scale bone defects.
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16
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Jiao D, Zheng A, Liu Y, Zhang X, Wang X, Wu J, She W, Lv K, Cao L, Jiang X. Bidirectional differentiation of BMSCs induced by a biomimetic procallus based on a gelatin-reduced graphene oxide reinforced hydrogel for rapid bone regeneration. Bioact Mater 2021; 6:2011-2028. [PMID: 33426373 PMCID: PMC7782557 DOI: 10.1016/j.bioactmat.2020.12.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/17/2020] [Accepted: 12/06/2020] [Indexed: 01/07/2023] Open
Abstract
Developmental engineering strategy needs the biomimetic composites that can integrate the progenitor cells, biomaterial matrices and bioactive signals to mimic the natural bone healing process for faster healing and reconstruction of segmental bone defects. We prepared the gelatin-reduced graphene oxide (GOG) and constructed the composites that mimicked the procallus by combining the GOG with the photo-crosslinked gelatin hydrogel. The biological effects of the GOG-reinforced composites could induce the bi-differentiation of bone marrow stromal cells (BMSCs) for rapid bone repair. The proper ratio of GOG in the composites regulated the composites' mechanical properties to a suitable range for the adhesion and proliferation of BMSCs. Besides, the GOG-mediated bidirectional differentiation of BMSCs, including osteogenesis and angiogenesis, could be activated through Erk1/2 and AKT pathway. The methyl vanillate (MV) delivered by GOG also contributed to the bioactive signals of the biomimetic procallus through priming the osteogenesis of BMSCs. During the repair of the calvarial defect in vivo, the initial hypoxic condition due to GOG in the composites gradually transformed into a well-vasculature robust situation with the bi-differentiation of BMSCs, which mimicked the process of bone healing resulting in the rapid bone regeneration. As an inorganic constituent, GOG reinforced the organic photo-crosslinked gelatin hydrogel to form a double-phase biomimetic procallus, which provided the porous extracellular matrix microenvironment and bioactive signals for the bi-directional differentiation of BMSCs. These show a promised application of the bio-reduced graphene oxide in biomedicine with a developmental engineering strategy.
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Affiliation(s)
- Delong Jiao
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Ao Zheng
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Yang Liu
- The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiangkai Zhang
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Xiao Wang
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Jiannan Wu
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Wenjun She
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Kaige Lv
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Lingyan Cao
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
| | - Xinquan Jiang
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
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17
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Ding Z, Cheng W, Mia MS, Lu Q. Silk Biomaterials for Bone Tissue Engineering. Macromol Biosci 2021; 21:e2100153. [PMID: 34117836 DOI: 10.1002/mabi.202100153] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/17/2021] [Indexed: 12/14/2022]
Abstract
Silk is a natural fibrous polymer with application potential in regenerative medicine. Increasing interest remains for silk materials in bone tissue engineering due to their characteristics in biocompatibility, biodegradability and mechanical properties. Plenty of the in vitro and in vivo studies confirmed the advantages of silk in accelerating bone regeneration. Silk is processed into scaffolds, hydrogels, and films to facilitate different bone regenerative applications. Bioactive factors such as growth factors and drugs, and stem cells are introduced to silk-based matrices to create friendly and osteogenic microenvironments, directing cell behaviors and bone regeneration. The recent progress in silk-based bone biomaterials is discussed and focused on different fabrication and functionalization methods related to osteogenesis. The challenges and potential targets of silk bone materials are highlighted to evaluate the future development of silk-based bone materials.
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Affiliation(s)
- Zhaozhao Ding
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Weinan Cheng
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, Xiamen, 361000, P. R. China
| | - Md Shipan Mia
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Qiang Lu
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
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18
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Kgomo H, Ncube S, Mhuka V, Kebede TG, Dube S, Nindi MM. A Comparative Study on the Dissolution of Argema mimosae Silk Fibroin and Fabrication of Films and Nanofibers. Polymers (Basel) 2021; 13:polym13040549. [PMID: 33673368 PMCID: PMC7918941 DOI: 10.3390/polym13040549] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/23/2021] [Accepted: 01/25/2021] [Indexed: 11/21/2022] Open
Abstract
Limited studies have been done on silk fibroins of wild silkworm species owing to their relative insolubility in many solvents. In this study, the solubility of Argema mimosae wild silk fibroin in different salts (LiBr, LiCl, Ca(NO3)2, and CaCl2) dissolved in formic acid under varying temperatures was investigated. The dissolution conditions under which the solubility was optimum were optimized using a central composite design approach. The optimum range for solvation of the fibroin were visualized using contour plots. The influence of temperature and salt concentration were found to significantly influence the solvation of the fibroin. Following the successful dissolution of the fibroin, the regenerated silk fibroin solutions were cast to obtain water insoluble films which were used in investigating optimum electrospinning conditions. Average nanofiber diameters in the 110–141 nm range were obtained under optimum electrospinning conditions. The silk forms were characterized using the FTIR, TGA, XRD, and SEM to understand their properties. The investigations revealed that formic acid—salt solvents were effective in the solvation of the wild silk fibroin. Some of the dissolution conditions induced mild effects on the silk fibroin while others were harsh. Furthermore, processing to nanofibers resulted in the degradation of the β-sheets producing nanofibers rich in α-helices. However, post-treatment using methanol and water vapor were effective in restoring β-sheet crystallinity.
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19
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Midha S, Jain KG, Bhaskar N, Kaur A, Rawat S, Giri S, Basu B, Mohanty S. Tissue-specific mesenchymal stem cell-dependent osteogenesis in highly porous chitosan-based bone analogs. Stem Cells Transl Med 2020; 10:303-319. [PMID: 33049125 PMCID: PMC7848378 DOI: 10.1002/sctm.19-0385] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/05/2020] [Accepted: 03/10/2020] [Indexed: 12/19/2022] Open
Abstract
Among conventional fabrication techniques, freeze‐drying process has widely been investigated for polymeric implants. However, the understanding of the stem cell progenitor‐dependent cell functionality modulation and quantitative analysis of early osseointegration of highly porous scaffolds have not been explored. Here, we developed a novel, highly porous, multimaterial composite, chitosan/hydroxyapatite/polycaprolactone (CHT/HA/PCL). The in vitro studies have been performed using mesenchymal stem cells (MSCs) from three tissue sources: human bone marrow‐derived MSCs (BM‐MSCs), adipose‐derived MSCs (AD‐MSCs), and Wharton's jelly‐derived MSCs (WJ‐MSCs). Although cell attachment and metabolic activity [3‐4,5‐dimethylthiazol‐2yl‐(2,5 diphenyl‐2H‐tetrazoliumbromide) assay] were ore enhanced in WJ‐MSC‐laden CHT/HA/PCL composites, scanning electron microscopy, real‐time gene expression (alkaline phosphatase [ALP], collagen type I [Col I], osteocalcin [OCN], and bone morphogenetic protein 4 [BMP‐4]), and immunostaining (COL I, β‐CATENIN, OCN, and SCLEROSTIN [SOST]) demonstrated pronounced osteogenesis with terminal differentiation on BM‐MSC‐laden CHT/HA/PCL composites only. The enhanced cell functionality on CHT/HA/PCL composites was explained in terms of interplay among the surface properties and the optimal source of MSCs. In addition, osteogenesis in rat tibial model over 6 weeks confirmed a better ratio of bone volume to the total volume for BM‐MSC‐laden composites over scaffold‐only and defect‐only groups. The clinically conformant combination of 3D porous architecture with pore sizes varying in the range of 20 to 200 μm together with controlled in vitro degradation and early osseointegration establish the potential of CHT/HA/PCL composite as a potential cancellous bone analog.
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Affiliation(s)
- Swati Midha
- Stem Cell Facility (Department of Biotechnology-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Krishan G Jain
- Stem Cell Facility (Department of Biotechnology-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Nitu Bhaskar
- Laboratory for Biomaterials, Materials Research Centre, Indian Institute of Science, Bangalore, India
| | - Amtoj Kaur
- Stem Cell Facility (Department of Biotechnology-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Sonali Rawat
- Stem Cell Facility (Department of Biotechnology-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
| | - Shibashish Giri
- Department of Cell Techniques and Applied Stem Cell Biology, Centre for Biotechnology and Biomedicine, Medical faculty, University of Leipzig, Leipzig, Germany.,Department of Plastic Surgery and Hand Surgery, University Hospital Rechts der Isar, Technische Universität München, Munich, Germany
| | - Bikramjit Basu
- Laboratory for Biomaterials, Materials Research Centre, Indian Institute of Science, Bangalore, India
| | - Sujata Mohanty
- Stem Cell Facility (Department of Biotechnology-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
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20
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Campos LM, de Oliveira Lemos AS, da Cruz LF, de Freitas Araújo MG, de Mello Botti GCR, Júnior JLR, Rocha VN, Denadai ÂML, da Silva TP, Tavares GD, Scio E, Fabri RL, Pinto PF. Development and in vivo evaluation of chitosan-gel containing Mitracarpus frigidus methanolic extract for vulvovaginal candidiasis treatment. Biomed Pharmacother 2020; 130:110609. [PMID: 34321177 DOI: 10.1016/j.biopha.2020.110609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/22/2020] [Accepted: 08/02/2020] [Indexed: 02/08/2023] Open
Abstract
Vulvovaginal candidiasis (VVC) is characterized by inflammatory changes in the vaginal mucosa caused by abnormal colonization of Candida species. Traditional topical therapies using reference antifungal drugs usually present several issues and limitations for VVC treatment. Thus, the interest in new vaginal formulations, mainly those based on compounds from natural origin, has been growing over the last years. Methanolic extract from the plant species Mitracarpus frigidus (Willd. Ex Reem Schult.) K. Schum (MFM) has presented potential antifungal activity against C. albicans vaginal infection. Here, we aimed to develop and characterize a gynecological gel formulation based on chitosan containing MFM and to evaluate its anti-C. albicans effectiveness in the treatment of VVC. First, MFM was incorporated into a gel formulation based on chitosan in three final concentrations: 2.5 %, 5.0 %, and 10.0 %. Next, these gel formulations were subjected to stationary and oscillatory rheological tests. Finally, the gel was tested in an experimental VVC model. The rheological tests indicated pseudoplastic fluids, becoming more viscous and elastic with the increase of the extract concentration, indicating intermolecular interactions. Our in vivo analyses demonstrated a great reduction of vulvovaginal fungal burden and infection accompanied with the reduction of mucosal inflammation after MFM chitosan-gel treatment. The present findings open perspectives for the further use of the MFM-chitosan-gel formulation as a therapeutic alternative for VVC treatment.
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Affiliation(s)
- Lara Melo Campos
- Bioactive Natural Products Laboratory and Protein Structure and Function Laboratory, Department of Biochemistry, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Ari Sérgio de Oliveira Lemos
- Bioactive Natural Products Laboratory and Protein Structure and Function Laboratory, Department of Biochemistry, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Luisa Ferreira da Cruz
- Laboratory of Pharmacology, Federal University of São João Del-Rei, Campus Centro Oeste Dona Lindu, Divinópolis, MG, Brazil
| | | | | | - Janildo Ludolf Reis Júnior
- Department of Veterinary Medicine, Faculty of Medicine, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Vinícius Novaes Rocha
- Department of Veterinary Medicine, Faculty of Medicine, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Ângelo Márcio Leite Denadai
- Department of Pharmacy, Institute of Life Sciences, Federal University of Juiz de Fora, Campus Governador Valadares, Governor Valadares, MG, Brazil
| | - Thiago Pereira da Silva
- Laboratory of Cellular Biology, Department of Biology, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Guilherme Diniz Tavares
- Laboratory of Nanostructured Systems Development, Department of Pharmaceutical Science, Faculty of Pharmacy, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Elita Scio
- Bioactive Natural Products Laboratory and Protein Structure and Function Laboratory, Department of Biochemistry, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
| | - Rodrigo Luiz Fabri
- Bioactive Natural Products Laboratory and Protein Structure and Function Laboratory, Department of Biochemistry, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil.
| | - Priscila Faria Pinto
- Bioactive Natural Products Laboratory and Protein Structure and Function Laboratory, Department of Biochemistry, Institute of Biological Sciences, Federal University of Juiz de Fora, Campus, Juiz de Fora, MG, Brazil
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21
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Overcoming barriers confronting application of protein therapeutics in bone fracture healing. Drug Deliv Transl Res 2020; 11:842-865. [PMID: 32783153 DOI: 10.1007/s13346-020-00829-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bone fracture is a major contributor to debilitation and death among patients with bone diseases. Thus, osteogenic protein therapeutics and their delivery to bone have been extensively researched as strategies to accelerate fracture healing. To prevent morbidity and mortality of fractures, which occur frequently in the aging population, there is a critical need for development of first-line therapeutics. Bone morphogenic protein-2 (BMP-2) has been at the forefront of bone regeneration research for its potent osteoinduction, despite safety concerns and biophysiological obstacles of delivery to bone. However, continued pursuit of osteoinductive proteins as a therapeutic option is largely aided by drug delivery systems, playing an imperative role in enhancing safety and efficacy. In this work, we highlighted several types of drug delivery platforms and their biomaterials, to evaluate the suitability in overcoming challenges of therapeutic protein delivery for bone regeneration. To showcase the clinical considerations for each type of platform, we have assessed the most common route of administration strategies for bone regeneration, classifying the platforms as implantable or injectable. Additionally, we have analyzed the commonly utilized models and methodology for safety and efficacy evaluation of these osteogenic protein-loaded systems, to present clinical opinions for future directions of research in this field. It is hoped that this review will promote research and development of clinically translatable osteogenic protein therapeutics, while targeting first-line treatment status for achieving desired outcomes of fracture healing. Graphical abstract.
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22
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Safarova Y, Umbayev B, Hortelano G, Askarova S. Mesenchymal stem cells modifications for enhanced bone targeting and bone regeneration. Regen Med 2020; 15:1579-1594. [PMID: 32297546 DOI: 10.2217/rme-2019-0081] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
In pathological bone conditions (e.g., osteoporotic fractures or critical size bone defects), increasing the pool of osteoblast progenitor cells is a promising therapeutic approach to facilitate bone healing. Since mesenchymal stem cells (MSCs) give rise to the osteogenic lineage, a number of clinical trials investigated the potential of MSCs transplantation for bone regeneration. However, the engraftment of transplanted cells is often hindered by insufficient oxygen and nutrients supply and the tendency of MSCs to home to different sites of the body. In this review, we discuss various approaches of MSCs transplantation for bone regeneration including scaffold and hydrogel constructs, genetic modifications and surface engineering of the cell membrane aimed to improve homing and increase cell viability, proliferation and differentiation.
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Affiliation(s)
- Yuliya Safarova
- Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan.,School of Engineering & Digital Sciences, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Bauyrzhan Umbayev
- Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Gonzalo Hortelano
- School of Sciences & Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Sholpan Askarova
- Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
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23
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Luetchford KA, Chaudhuri JB, De Bank PA. Silk fibroin/gelatin microcarriers as scaffolds for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110116. [PMID: 31753329 PMCID: PMC6891254 DOI: 10.1016/j.msec.2019.110116] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 06/06/2019] [Accepted: 08/22/2019] [Indexed: 01/26/2023]
Abstract
Microcarrier cell scaffolds have potential as injectable cell delivery vehicles or as building blocks for tissue engineering. The use of small cell carriers allows for a 'bottom up' approach to tissue assembly when moulding microparticles into larger structures, which can facilitate the introduction of hierarchy by layering different matrices and cell types, while evenly distributing cells through the structure. In this work, silk fibroin (SF), purified from Bombyx mori cocoons, was blended with gelatin (G) to produce materials composed of varying ratios of the two components (SF: G 25:75, 50:50, and 75:25). Cell compatibility to these materials was first confirmed in two-dimensional culture and found to be equivalent to standard tissue culture plastic, and better than SF or G alone. The mechanical properties of the blends were investigated and the blended materials were found to have increased Young's moduli over SF alone. Microcarriers of SF/G blends with defined diameters were generated in a reproducible manner through the use of an axisymmetric flow focussing device, constructed from off-the-shelf parts and fittings. These SF/G microcarriers supported adhesion of rat mesenchymal stem cells with high degrees of efficiency under dynamic culture conditions and, after culturing in osteogenic differentiation medium, cells were shown to have characteristics typical of osteoblasts. This work illustrates that microcarriers composed of SF/G blends are promising building blocks for osteogenic tissue engineering.
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Affiliation(s)
- Kim A Luetchford
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK
| | - Julian B Chaudhuri
- Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Paul A De Bank
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK.
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24
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Willems L, Roberts S, Weitzhandler I, Chilkoti A, Mastrobattista E, van der Oost J, de Vries R. Inducible Fibril Formation of Silk-Elastin Diblocks. ACS OMEGA 2019; 4:9135-9143. [PMID: 31172045 PMCID: PMC6545545 DOI: 10.1021/acsomega.9b01025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 05/10/2019] [Indexed: 06/09/2023]
Abstract
Silk-elastin block copolymers have such physical and biological properties that make them attractive biomaterials for applications ranging from tissue regeneration to drug delivery. Silk-elastin block copolymers that only assemble into fibrils at high concentrations can be used for a template-induced fibril assembly. This can be achieved by additionally including template-binding blocks that promote high local concentrations of polymers on the template, leading to a template-induced fibril assembly. We hypothesize that template-inducible silk-fibril formation, and hence high critical concentrations for fibril formation, requires careful tuning of the block lengths, to be close to a critical set of block lengths that separates fibril forming from nonfibril forming polymer architectures. Therefore, we explore herein the impact of tuning block lengths for silk-elastin diblock polypeptides on fibril formation. For silk-elastin diblocks ES m -SQ n , in which the elastin pentamer repeat is ES = GSGVP and the crystallizable silk octamer repeat is SQ = GAGAGAGQ, we find that no fibril formation occurs for n = 6 but that the n = 10 and 14 diblocks do show concentration-dependent fibril formation. For n = 14 diblocks, no effect is observed of the length m (with m = 40, 60, 80) of the amorphous block on the lengths of the fibrils. In contrast, for the n = 10 diblocks that are closest to the critical boundary for fibril formation, we find that long amorphous blocks (m = 80) oppose the growth of fibrils at low concentrations, making them suitable for engineering template-inducible fibril formation.
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Affiliation(s)
- Lione Willems
- Physical
Chemistry and Soft Matter and Laboratory of Microbiology, Wageningen University and Research, Stippeneng 4, 6708
WE Wageningen, The Netherlands
| | - Stefan Roberts
- Department
of Biomedical Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Isaac Weitzhandler
- Department
of Biomedical Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Ashutosh Chilkoti
- Department
of Biomedical Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Enrico Mastrobattista
- Department
of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - John van der Oost
- Physical
Chemistry and Soft Matter and Laboratory of Microbiology, Wageningen University and Research, Stippeneng 4, 6708
WE Wageningen, The Netherlands
| | - Renko de Vries
- Physical
Chemistry and Soft Matter and Laboratory of Microbiology, Wageningen University and Research, Stippeneng 4, 6708
WE Wageningen, The Netherlands
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25
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Li R, Sun J, Yang F, Sun Y, Wu X, Zhou Q, Yu Y, Bi W. Effect of GARP on osteogenic differentiation of bone marrow mesenchymal stem cells via the regulation of TGFβ1 in vitro. PeerJ 2019; 7:e6993. [PMID: 31198639 PMCID: PMC6535220 DOI: 10.7717/peerj.6993] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 04/20/2019] [Indexed: 12/21/2022] Open
Abstract
Mesenchymal stem cells (MSCs), which have multipotential differentiation and self-renewal potential, are possible cells for tissue engineering. Transforming growth factor β1 (TGFβ1) can be produced by MSCs in an inactive form, and the activation of TGFβ1 functions as an important regulator of osteogenic differentiation in MSCs. Recently, studies showed that Glycoprotein A repetitions predominant (GARP) participated in the activation of latent TGFβ1, but the interaction between GARP and TGFβ1 is still undefined. In our study, we successfully isolated the MSCs from bone marrow of rats, and showed that GARP was detected in bone mesenchymal stem cells (BMSCs). During the osteogenic differentiation of BMSCs, GARP expression was increased over time. To elucidate the interaction between GARP and TGFβ1, we downregulated GARP expression in BMSCs to examine the level of active TGFβ1. We then verified that the downregulation of GARP decreased the secretion of active TGFβ1. Furthermore, osteogenic differentiation experiments, alkaline phosphatase (ALP) activity analyses and Alizarin Red S staining experiments were performed to evaluate the osteogenic capacity. After the downregulation of GARP, ALP activity and Alizarin Red S staining significantly declined and the osteogenic indicators, ALP, Runx2, and OPN, also decreased, both at the mRNA and protein levels. These results demonstrated that downregulated GARP expression resulted in the reduction of TGFβ1 and the attenuation of osteoblast differentiation of BMSCs in vitro.
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Affiliation(s)
- Ruixue Li
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Jian Sun
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Fei Yang
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Yang Sun
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Xingwen Wu
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Qianrong Zhou
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Youcheng Yu
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
| | - Wei Bi
- Department of Stomatology, Fudan University Zhongshan Hospital, Shanghai, Shanghai, China
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26
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Du X, Wei D, Huang L, Zhu M, Zhang Y, Zhu Y. 3D printing of mesoporous bioactive glass/silk fibroin composite scaffolds for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109731. [PMID: 31349472 DOI: 10.1016/j.msec.2019.05.016] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 05/08/2019] [Accepted: 05/08/2019] [Indexed: 12/26/2022]
Abstract
The fabrication of bone tissue engineering scaffolds with high osteogenic ability and favorable mechanical properties is of huge interest. In this study, a silk fibroin (SF) solution of 30 wt% was extracted from cocoons and combined with mesoporous bioactive glass (MBG) to fabricate MBG/SF composite scaffolds by 3D printing. The porosity, compressive strength, degradation and apatite forming ability were evaluated. The results illustrated that MBG/SF scaffolds had superior compressive strength (ca. 20 MPa) and good biocompatibility, and stimulated bone formation ability compared to mesoporous bioactive glass/polycaprolactone (MBG/PCL) scaffolds. We subcutaneously transplanted hBMSCs-loaded MBG/SF and MBG/PCL scaffolds into the back of nude mice to evaluate heterotopic bone formation assay in vivo, and the results revealed that the gene expression levels of common osteogenic biomarkers on MBG/SF scaffolds were significantly better than MBG/PCL scaffolds. These results showed that 3D-printed MBG/SF composite scaffolds are great promising for bone tissue engineering.
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Affiliation(s)
- Xiaoyu Du
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, PR China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Belt and Road Joint Laboratory for Advanced Fiber and Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Daixu Wei
- College of Life Sciences and Medicine, Northwest University, Xi'an, Shanxi 710069, PR China
| | - Li Huang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Belt and Road Joint Laboratory for Advanced Fiber and Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Min Zhu
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Yaopeng Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Belt and Road Joint Laboratory for Advanced Fiber and Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China.
| | - Yufang Zhu
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, PR China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Belt and Road Joint Laboratory for Advanced Fiber and Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China.
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27
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Midha S, Dalela M, Sybil D, Patra P, Mohanty S. Advances in three-dimensional bioprinting of bone: Progress and challenges. J Tissue Eng Regen Med 2019; 13:925-945. [PMID: 30812062 DOI: 10.1002/term.2847] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 02/19/2019] [Accepted: 02/21/2019] [Indexed: 12/28/2022]
Abstract
Several attempts have been made to engineer a viable three-dimensional (3D) bone tissue equivalent using conventional tissue engineering strategies, but with limited clinical success. Using 3D bioprinting technology, scientists have developed functional prototypes of clinically relevant and mechanically robust bone with a functional bone marrow. Although the field is in its infancy, it has shown immense potential in the field of bone tissue engineering by re-establishing the 3D dynamic micro-environment of the native bone. Inspite of their in vitro success, maintaining the viability and differentiation potential of such cell-laden constructs overtime, and their subsequent preclinical testing in terms of stability, mechanical loading, immune responses, and osseointegrative potential still needs to be explored. Progress is slow due to several challenges such as but not limited to the choice of ink used for cell encapsulation, optimal cell source, bioprinting method suitable for replicating the heterogeneous tissues and organs, and so on. Here, we summarize the recent advancements in bioprinting of bone, their limitations, challenges, and strategies for future improvisations. The generated knowledge will provide deep insights on our current understanding of the cellular interactions with the hydrogel matrices and help to unravel new methodologies for facilitating precisely regulated stem cell behaviour.
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Affiliation(s)
- Swati Midha
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Manu Dalela
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Deborah Sybil
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India
| | - Prabir Patra
- Department of Biomedical Engineering, University of Bridgeport, Bridgeport, CT.,Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT
| | - Sujata Mohanty
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences (AIIMS), New Delhi, India
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28
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Mendez A, Rindone AN, Batra N, Abbasnia P, Senarathna J, Gil S, Hadjiabadi D, Grayson WL, Pathak AP. Phenotyping the Microvasculature in Critical-Sized Calvarial Defects via Multimodal Optical Imaging. Tissue Eng Part C Methods 2019; 24:430-440. [PMID: 29901424 DOI: 10.1089/ten.tec.2018.0090] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Tissue-engineered scaffolds are a powerful means of healing craniofacial bone defects arising from trauma or disease. Murine models of critical-sized bone defects are especially useful in understanding the role of microenvironmental factors such as vascularization on bone regeneration. Here, we demonstrate the capability of a novel multimodality imaging platform capable of acquiring in vivo images of microvascular architecture, microvascular blood flow, and tracer/cell tracking via intrinsic optical signaling (IOS), laser speckle contrast (LSC), and fluorescence (FL) imaging, respectively, in a critical-sized calvarial defect model. Defects that were 4 mm in diameter were made in the calvarial regions of mice followed by the implantation of osteoconductive scaffolds loaded with human adipose-derived stem cells embedded in fibrin gel. Using IOS imaging, we were able to visualize microvascular angiogenesis at the graft site and extracted morphological information such as vessel radius, length, and tortuosity two weeks after scaffold implantation. FL imaging allowed us to assess functional characteristics of the angiogenic vessel bed, such as time-to-peak of a fluorescent tracer, and also allowed us to track the distribution of fluorescently tagged human umbilical vein endothelial cells. Finally, we used LSC to characterize the in vivo hemodynamic response and maturity of the remodeled microvessels in the scaffold microenvironment. In this study, we provide a methodical framework for imaging tissue-engineered scaffolds, processing the images to extract key microenvironmental parameters, and visualizing these data in a manner that enables the characterization of the vascular phenotype and its effect on bone regeneration. Such multimodality imaging platforms can inform optimization and design of tissue-engineered scaffolds and elucidate the factors that promote enhanced vascularization and bone formation.
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Affiliation(s)
- Adam Mendez
- 1 Department of Chemical and Biomolecular Engineering, Johns Hopkins University Whiting School of Engineering , Baltimore, Maryland
| | - Alexandra N Rindone
- 2 Department of Biomedical Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,3 Translational Tissue Engineering Center, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Namrata Batra
- 1 Department of Chemical and Biomolecular Engineering, Johns Hopkins University Whiting School of Engineering , Baltimore, Maryland
| | - Pegah Abbasnia
- 2 Department of Biomedical Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,3 Translational Tissue Engineering Center, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Janaka Senarathna
- 4 Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Stacy Gil
- 4 Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Darian Hadjiabadi
- 4 Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Warren L Grayson
- 2 Department of Biomedical Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,3 Translational Tissue Engineering Center, Johns Hopkins University School of Medicine , Baltimore, Maryland.,5 Department of Materials Science and Engineering, Johns Hopkins University , Baltimore, Maryland.,6 Institute for NanoBioTechnology, Johns Hopkins University , Baltimore, Maryland
| | - Arvind P Pathak
- 2 Department of Biomedical Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,4 Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland.,6 Institute for NanoBioTechnology, Johns Hopkins University , Baltimore, Maryland.,7 Department of Oncology, The Johns Hopkins University School of Medicine , Baltimore, Maryland
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29
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The Effects of Platelet-Derived Growth Factor-BB on Bone Marrow Stromal Cell-Mediated Vascularized Bone Regeneration. Stem Cells Int 2018; 2018:3272098. [PMID: 30515221 PMCID: PMC6234453 DOI: 10.1155/2018/3272098] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 08/09/2018] [Accepted: 08/16/2018] [Indexed: 12/20/2022] Open
Abstract
Regenerative medicine for bone tissue mainly depends on efficient recruitment of endogenous or transplanted stem cells to guide bone regeneration. Platelet-derived growth factor (PDGF) is a functional factor that has been widely used in tissue regeneration and repair. However, the short half-life of PDGF limits its efficacy, and the mechanism by which PDGF regulates stem cell-based bone regeneration still needs to be elucidated. In this study, we established genetically modified PDGF-B-overexpressing bone marrow stromal cells (BMSCs) using a lentiviral vector and then explored the mechanism by which PDGF-BB regulates BMSC-based vascularized bone regeneration. Our results demonstrated that PDGF-BB increased osteogenic differentiation but inhibited adipogenic differentiation of BMSCs via the extracellular signal-related kinase 1/2 (ERK1/2) signaling pathway. In addition, secreted PDGF-BB significantly enhanced human umbilical vein endothelial cell (HUVEC) migration and angiogenesis via the phosphatidylinositol 3 kinase (PI3K)/AKT and ERK1/2 signaling pathways. We evaluated the effect of PDGF-B-modified BMSCs on bone regeneration using a critical-sized rat calvarial defect model. Radiography, micro-CT, and histological analyses revealed that PDGF-BB overexpression improved BMSC-mediated angiogenesis and osteogenesis during bone regeneration. These results suggest that PDGF-BB facilitates BMSC-based bone regeneration by enhancing the osteogenic and angiogenic abilities of BMSCs.
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30
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Hadadi A, Whittaker JW, Verrill DE, Hu X, Larini L, Salas-de la Cruz D. A Hierarchical Model To Understand the Processing of Polysaccharides/Protein-Based Films in Ionic Liquids. Biomacromolecules 2018; 19:3970-3982. [PMID: 30130389 DOI: 10.1021/acs.biomac.8b00903] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In recent years, biomaterials from abundant and renewable sources have shown potential in medicine and materials science alike. In this study, we combine theoretical modeling, molecular dynamics simulations, and several experimental techniques to understand the regeneration of cellulose/silk-, chitin/silk-, and chitosan/silk-based biocomposites after dissolution in ionic liquid and regeneration in water. We propose a novel theoretical model that correlates the composite's microscopic structure to its bulk properties. We rely on modeling non-cross-linked biopolymers that present layer-like structures such as β-sheets and we successfully predict structural, thermal, and mechanical properties of a mixture of these biomolecules. Our model and experiments show that the solubility of the pure substance in the chosen solvent can be used to modulate the amount of crystallinity of the biopolymer blend, as measured by attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). Thermogravimetric analysis (TGA) shows that the decomposition temperature of the blended biocomposites compared to their pure counterparts is reduced in accordance with our theoretical predictions. The morphology of the material is further characterized through scanning electron microscopy (SEM) and shows differently exposed surface area depending on the blend. Finally, differential scanning calorimetry (DSC) is performed to characterize the residual water content in the material, essential for explaining the regeneration process in water. As a final test of the model, we compare our model's prediction of the Young's modulus with existing data in the literature. The model correctly reproduces experimental trends observed in the Young's modulus due to varying the concentration of silk in the biopolymer blend.
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Affiliation(s)
| | | | | | - Xiao Hu
- Department of Physics and Astronomy, Department of Biomedical Engineering , Rowan University , Glassboro , New Jersey 08028 , United States
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31
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Thatikonda N, Nilebäck L, Kempe A, Widhe M, Hedhammar M. Bioactivation of Spider Silk with Basic Fibroblast Growth Factor for in Vitro Cell Culture: A Step toward Creation of Artificial ECM. ACS Biomater Sci Eng 2018; 4:3384-3396. [DOI: 10.1021/acsbiomaterials.8b00844] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Naresh Thatikonda
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
| | - Linnea Nilebäck
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
| | - Adam Kempe
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
| | - Mona Widhe
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
| | - My Hedhammar
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
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32
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Cheng P, Li D, Gao Y, Cao T, Jiang H, Wang J, Li J, Zhang S, Song Y, Liu B, Wang C, Yang L, Pei G. Prevascularization promotes endogenous cell-mediated angiogenesis by upregulating the expression of fibrinogen and connective tissue growth factor in tissue-engineered bone grafts. Stem Cell Res Ther 2018; 9:176. [PMID: 29973254 PMCID: PMC6030739 DOI: 10.1186/s13287-018-0925-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/29/2018] [Accepted: 06/13/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Vascularization is one of the most important processes in tissue-engineered bone graft (TEBG)-mediated regeneration of large segmental bone defects. We previously showed that prevascularization of TEBGs promoted capillary vessel formation within the defected site and accelerated new bone formation. However, the precise mechanisms and contribution of endogenous cells were not explored. METHODS We established a large defect (5 mm) model in the femur of EGFP+ transgenic rats and implanted a β-tricalcium phosphate (β-TCP) scaffold seeded with exogenous EGFP- cells; the femoral vascular bundle was inserted into the scaffold before implantation in the prevascularized TEBG group. Histopathology and scanning electron microscopy were performed and connective tissue growth factor (CTGF) and fibrin expression, exogenous cell survival, endogenous cell migration and behavior, and collagen type I and III deposition were assessed at 1 and 4 weeks post implantation. RESULTS We found that the fibrinogen content can be increased at the early stage of vascular bundle transplantation, forming a fibrin reticulate structure and tubular connections between pores of β-TCP material, which provides a support for cell attachment and migration. Meanwhile, CTGF expression is increased, and more endogenous cells can be recruited and promote collagen synthesis and angiogenesis. By 4 weeks post implantation, the tubular connections transformed into von Willebrand factor-positive capillary-like structures with deposition of type III collagen, and accelerated angiogenesis of endogenous cells. CONCLUSIONS These findings demonstrate that prevascularization promotes the recruitment of endogenous cells and collagen deposition by upregulating fibrinogen and CTGF, directly resulting in new blood vessel formation. In addition, this molecular mechanism can be used to establish fast-acting angiogenesis materials in future clinical applications.
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Affiliation(s)
- Pengzhen Cheng
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Donglin Li
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.,Hospital 463 of People's Liberation Army, Shenyang, 110042, People's Republic of China
| | - Yi Gao
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Tianqing Cao
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Huijie Jiang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Jimeng Wang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.,Department of Orthopedics, The 251st Hospital of PLA, Zhangjiakou, 075000, China
| | - Junqin Li
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Shuaishuai Zhang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yue Song
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Bin Liu
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Chunmei Wang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Liu Yang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
| | - Guoxian Pei
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
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33
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Lin S, Cao L, Wang Q, Du J, Jiao D, Duan S, Wu J, Gan Q, Jiang X. Tailored biomimetic hydrogel based on a photopolymerised DMP1/MCF/gelatin hybrid system for calvarial bone regeneration. J Mater Chem B 2018; 6:414-427. [PMID: 32254521 DOI: 10.1039/c7tb02130e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Searching for effective osteoinduction factors with higher specificity and biosafety for the preparation of biomimetic materials, which mimic the natural bone extracellular matrix (ECM), seems to be an optimum strategy for achieving ideal bone regeneration.
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Affiliation(s)
- Shuxian Lin
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
| | - Lingyan Cao
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
| | - Qian Wang
- Department of Oral and Maxillofacial Surgery
- Stomatological Hospital of Chongqing Medical University
- Chongqing 402160
- China
| | - Jiahui Du
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
| | - Delong Jiao
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
| | - Shengzhong Duan
- Laboratory of Oral Microbiota and Systemic Diseases
- Ninth People's Hospital
- School
of Stomatology
- Shanghai 200011
- China
| | - Jiannan Wu
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
| | - Qi Gan
- The State Key Laboratory of Bioreactor Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Xinquan Jiang
- Department of Prosthodontics
- Ninth People's Hospital affiliated to Shanghai Jiao Tong University
- School of Medicine
- Shanghai 200011
- China
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34
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Reconstruction of Craniomaxillofacial Bone Defects Using Tissue-Engineering Strategies with Injectable and Non-Injectable Scaffolds. J Funct Biomater 2017; 8:jfb8040049. [PMID: 29156629 PMCID: PMC5748556 DOI: 10.3390/jfb8040049] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 11/09/2017] [Accepted: 11/14/2017] [Indexed: 02/06/2023] Open
Abstract
Engineering craniofacial bone tissues is challenging due to their complex structures. Current standard autografts and allografts have many drawbacks for craniofacial bone tissue reconstruction; including donor site morbidity and the ability to reinstate the aesthetic characteristics of the host tissue. To overcome these problems; tissue engineering and regenerative medicine strategies have been developed as a potential way to reconstruct damaged bone tissue. Different types of new biomaterials; including natural polymers; synthetic polymers and bioceramics; have emerged to treat these damaged craniofacial bone tissues in the form of injectable and non-injectable scaffolds; which are examined in this review. Injectable scaffolds can be considered a better approach to craniofacial tissue engineering as they can be inserted with minimally invasive surgery; thus protecting the aesthetic characteristics. In this review; we also focus on recent research innovations with different types of stem-cell sources harvested from oral tissue and growth factors used to develop craniofacial bone tissue-engineering strategies.
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Zhang W, Feng C, Yang G, Li G, Ding X, Wang S, Dou Y, Zhang Z, Chang J, Wu C, Jiang X. 3D-printed scaffolds with synergistic effect of hollow-pipe structure and bioactive ions for vascularized bone regeneration. Biomaterials 2017; 135:85-95. [DOI: 10.1016/j.biomaterials.2017.05.005] [Citation(s) in RCA: 139] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 04/30/2017] [Accepted: 05/01/2017] [Indexed: 12/28/2022]
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Ding X, Yang G, Zhang W, Li G, Lin S, Kaplan DL, Jiang X. Increased stem cells delivered using a silk gel/scaffold complex for enhanced bone regeneration. Sci Rep 2017; 7:2175. [PMID: 28526887 PMCID: PMC5438390 DOI: 10.1038/s41598-017-02053-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 04/03/2017] [Indexed: 12/20/2022] Open
Abstract
The low in vivo survival rate of scaffold-seeded cells is still a challenge in stem cell-based bone regeneration. This study seeks to use a silk hydrogel to deliver more stem cells into a bone defect area and prolong the viability of these cells after implantation. Rat bone marrow stem cells were mingled with silk hydrogels at the concentrations of 1.0 × 105/mL, 1.0 × 106/mL and 1.0 × 107/mL before gelation, added dropwise to a silk scaffold and applied to a rat calvarial defect. A cell tracing experiment was included to observe the preservation of cell viability and function. The results show that the hydrogel with 1.0 × 107/mL stem cells exhibited the best osteogenic effect both in vitro and in vivo. The cell-tracing experiment shows that cells in the 1.0 × 107 group still survive and actively participate in new bone formation 8 weeks after implantation. The strategy of pre-mingling stem cells with the hydrogel had the effect of delivering more stem cells for bone engineering while preserving the viability and functions of these cells in vivo.
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Affiliation(s)
- Xun Ding
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.,Oral Bioengineering and regenerative medicine Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Guangzheng Yang
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Wenjie Zhang
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.,Oral Bioengineering and regenerative medicine Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Guanglong Li
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.,Oral Bioengineering and regenerative medicine Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Shuxian Lin
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.,Oral Bioengineering and regenerative medicine Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, 639 Zhizaoju Road, Shanghai, 200011, China
| | - David L Kaplan
- Department of Biomedical Engineering, School of Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Xinquan Jiang
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China. .,Oral Bioengineering and regenerative medicine Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, 639 Zhizaoju Road, Shanghai, 200011, China.
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Zhu Y, Gu Y, Qiao S, Zhou L, Shi J, Lai H. Bacterial and mammalian cells adhesion to tantalum-decorated micro-/nano-structured titanium. J Biomed Mater Res A 2016; 105:871-878. [PMID: 27784134 DOI: 10.1002/jbm.a.35953] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 10/18/2016] [Accepted: 10/25/2016] [Indexed: 11/09/2022]
Abstract
Microorganisms are frequently introduced to dental implants during surgery and start the race for the surface with host cells before osseointegration occurs. The aim of the study was to endow implant surfaces with biological functions that reliably select cells over microbes. Nano-structured tantalum (Ta) has exhibited excellent compatibility. Thus, nano-structured Ta films were deposited on the sand-blasted, large grit, and acid-etched (SLA) titanium by the magnetron sputtering method, thus forming hierarchical micro-/nano-structured surfaces. No obvious Ta release confirmed the robustness of the deposited layer probably arising from the stable Ta2 O5 . Moreover, Ta-modified surfaces not only improved the initial adhesion and spreading of rat bone mesenchymal stem cells (rBMSCs), but also exhibited good antibacterial activities towards Streptococcus mutans and Porphyromonas gingivalis. The satisfactory cell-surface interactions on Ta-modified surfaces depended largely on the up-regulation of adhesion-related genes and activation of focal adhesion kinase (FAK), as confirmed by real-time PCR and Western blot. Here, the coculture model was also forwarded to mimic the perioperative bacterial contamination. We found that the adherent cell number and the cell-surface coverage were hampered by bacteria presence on both surfaces. Yet, rBMSCs still attached and spread more readily on Ta-modified surfaces than on SLA titanium surfaces even in coculture with adhering oral pathogens. Our results revealed that Ta-modified micro-/nano-structured surfaces would selectively promote cell-surface rather than bacteria-surface interactions, boding well for the applications for dental implants in possibly infected environments. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 871-878, 2017.
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Affiliation(s)
- Yu Zhu
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Yingxin Gu
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Shichong Qiao
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Linyi Zhou
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Junyu Shi
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Hongchang Lai
- Department of Oral Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
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Stratton S, Shelke NB, Hoshino K, Rudraiah S, Kumbar SG. Bioactive polymeric scaffolds for tissue engineering. Bioact Mater 2016; 1:93-108. [PMID: 28653043 PMCID: PMC5482547 DOI: 10.1016/j.bioactmat.2016.11.001] [Citation(s) in RCA: 230] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/27/2016] [Accepted: 11/08/2016] [Indexed: 12/12/2022] Open
Abstract
A variety of engineered scaffolds have been created for tissue engineering using polymers, ceramics and their composites. Biomimicry has been adopted for majority of the three-dimensional (3D) scaffold design both in terms of physicochemical properties, as well as bioactivity for superior tissue regeneration. Scaffolds fabricated via salt leaching, particle sintering, hydrogels and lithography have been successful in promoting cell growth in vitro and tissue regeneration in vivo. Scaffold systems derived from decellularization of whole organs or tissues has been popular due to their assured biocompatibility and bioactivity. Traditional scaffold fabrication techniques often failed to create intricate structures with greater resolution, not reproducible and involved multiple steps. The 3D printing technology overcome several limitations of the traditional techniques and made it easier to adopt several thermoplastics and hydrogels to create micro-nanostructured scaffolds and devices for tissue engineering and drug delivery. This review highlights scaffold fabrication methodologies with a focus on optimizing scaffold performance through the matrix pores, bioactivity and degradation rate to enable tissue regeneration. Review highlights few examples of bioactive scaffold mediated nerve, muscle, tendon/ligament and bone regeneration. Regardless of the efforts required for optimization, a shift in 3D scaffold uses from the laboratory into everyday life is expected in the near future as some of the methods discussed in this review become more streamlined.
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Affiliation(s)
- Scott Stratton
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - Namdev B. Shelke
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT, USA
- Institute for Regenerative Engineering, UConn Health, Farmington, CT, USA
| | - Kazunori Hoshino
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - Swetha Rudraiah
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Saint Joseph, Hartford, CT, 06103, USA
| | - Sangamesh G. Kumbar
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT, USA
- Institute for Regenerative Engineering, UConn Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
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Osteogenic signaling on silk-based matrices. Biomaterials 2016; 97:133-53. [DOI: 10.1016/j.biomaterials.2016.04.020] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/25/2016] [Accepted: 04/20/2016] [Indexed: 12/11/2022]
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Zheng K, Chen Y, Huang W, Lin Y, Kaplan DL, Fan Y. Chemically Functionalized Silk for Human Bone Marrow-Derived Mesenchymal Stem Cells Proliferation and Differentiation. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14406-14413. [PMID: 27177120 DOI: 10.1021/acsami.6b03518] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
To produce biocompatible, mechanically robust, and conductive materials for bone tissue engineering, chemical oxidation using sodium hyprochlorite (NaClO) was utilized to introduce carboxyl groups onto silk fibroin (SF). A final carboxyl content of 1.09 mM/g SF was obtained, corresponding to ∼47% of the primary hydroxymethyl groups on the silk. Interestingly, both infrared (IR) spectroscopy and circular dichroism (CD) spectra demonstrated that the resulting oxidized silk (OxSF) self-assembled into β-sheet structures under aqueous conditions and this contributed to the mechanical properties of the as-prepared silk-based scaffolds and the mineralized OxSF scaffolds (M-OxSF). The OxSF scaffolds had a compressive modulus of 211 ± 75 KPa in the hydrated state, 10 times higher than that of the SF scaffolds, and the modulus of the M-OxSF scaffolds was increased to 758 ± 189 KPa. Human bone marrow-derived mesenchymal stem cells (hMSCs) grown on the scaffolds during osteogenesis showed that the OxSF scaffolds supported the proliferation and differentiation of hMSCs in vitro.
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Affiliation(s)
- Ke Zheng
- Jiangsu Key Lab of Biomass-based Green Fuel & Chemicals, College of Chemical Engineering, Nanjing Forestry University , Nanjing 210037, China
- Department of Biomedical Engineering, 4 Colby Street, Tufts University , Medford, Massachusetts 02155, United States
| | - Ying Chen
- Department of Biomedical Engineering, 4 Colby Street, Tufts University , Medford, Massachusetts 02155, United States
| | - Wenwen Huang
- Department of Biomedical Engineering, 4 Colby Street, Tufts University , Medford, Massachusetts 02155, United States
| | - Yinan Lin
- Department of Biomedical Engineering, 4 Colby Street, Tufts University , Medford, Massachusetts 02155, United States
| | - David L Kaplan
- Department of Biomedical Engineering, 4 Colby Street, Tufts University , Medford, Massachusetts 02155, United States
| | - Yimin Fan
- Jiangsu Key Lab of Biomass-based Green Fuel & Chemicals, College of Chemical Engineering, Nanjing Forestry University , Nanjing 210037, China
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Wen J, Lu T, Wang X, Xu L, Wu Q, Pan H, Wang D, Liu X, Jiang X. In Vitro and in Vivo Evaluation of Silicate-Coated Polyetheretherketone Fabricated by Electron Beam Evaporation. ACS APPLIED MATERIALS & INTERFACES 2016; 8:13197-13206. [PMID: 27124890 DOI: 10.1021/acsami.5b10229] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Intrinsic bioinertness severely hampers the application of polyetheretherketone (PEEK), although in the field of dentistry it is considered to be an ideal titanium substitute implanting material. In this study, a bioactive silicate coating was successfully introduced onto PEEK surface by using electron beam evaporation (EBE) technology to improve its bioactivity and osseointegration of PEEK. Through controlling the duration of EBE, the incorporated amounts of silicon (Si) could be exquisitely adjusted to obtain proper biofunctionality, as assessed by cell adhesion, proliferation, osteogenic gene expression, and protein detection. In vivo, the samples were then tested in a femur implantation model to assay osseointegration effects in ovariectomized (OVX) rats. Remarkable enhancement of adhesion, spreading, osteogenesis, and differentiation of bone marrow stem cells (rBMSCs-OVX) were noted on silicate-coated samples. In particular, the group that was processed for 5 min with EBE (EBE-5 min) showed the most improvements in ALP activity and osteogenic-related gene expression compared to the remaining groups. Better osseointegration of the group that was processed for 8 min with EBE (EBE-8 min) was observed in vivo, as indicated by micro-CT test, fluorescent labeling, and histological and histomorphometric analyses. Collectively, the outcomes of the above experiments demonstrate that the present work is a meaningful attempt to promote osseointegration under osteoporotic conditions with only Si element incorporated to PEEK surface by the application of EBE technique. To the best of our knowledge, this work is the first demonstration of tuning the surface properties of PEEK via the adoption of an EBE-fabricated silicate coating to address an osteoporotic problem both in vitro and in vivo.
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Affiliation(s)
- Jin Wen
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine , 639 Zhizaoju Road, Shanghai 200011, China
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
| | - Tao Lu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
| | - Xiao Wang
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine , 639 Zhizaoju Road, Shanghai 200011, China
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
| | - Lianyi Xu
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine , 639 Zhizaoju Road, Shanghai 200011, China
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
| | - Qianju Wu
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine , 639 Zhizaoju Road, Shanghai 200011, China
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
| | - Hongya Pan
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
| | - Donghui Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
| | - Xinquan Jiang
- Department of Prosthodontics, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine , 639 Zhizaoju Road, Shanghai 200011, China
- Oral Bioengineering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology , 639 Zhizaoju Road, Shanghai 200011, China
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Zhang W, Chang Q, Xu L, Li G, Yang G, Ding X, Wang X, Cui D, Jiang X. Graphene Oxide-Copper Nanocomposite-Coated Porous CaP Scaffold for Vascularized Bone Regeneration via Activation of Hif-1α. Adv Healthc Mater 2016; 5:1299-309. [PMID: 26945787 DOI: 10.1002/adhm.201500824] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/16/2016] [Indexed: 12/20/2022]
Abstract
Graphene has been studied for its in vitro osteoinductive capacity. However, the in vivo bone repair effects of graphene-based scaffolds remain unknown. The aqueous soluble graphene oxide-copper nanocomposites (GO-Cu) are fabricated, which are used to coat porous calcium phosphate (CaP) scaffolds for vascularized bone regeneration. The GO-Cu nanocomposites, containing crystallized CuO/Cu2 O nanoparticles of ≈30 nm diameters, distribute uniformly on the surfaces of the porous scaffolds and maintain a long-term release of Cu ions. In vitro, the GO-Cu coating enhances the adhesion and osteogenic differentiation of rat bone marrow stem cells (BMSCs). It is also found that by activating the Erk1/2 signaling pathway, the GO-Cu nanocomposites upregulate the expression of Hif-1α in BMSCs, resulting in the secretion of VEGF and BMP-2 proteins. When transplanted into rat with critical-sized calvarial defects, the GO-Cu-coated calcium phosphate cement (CPC) scaffolds (CPC/GO-Cu) significantly promote angiogenesis and osteogenesis. Moreover, it is observed via histological sections that the GO-Cu nanocomposites are phagocytosed by multinucleated giant cells. The results suggest that GO-Cu nanocomposite coatings can be utilized as an attractive strategy for vascularized bone regeneration.
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Affiliation(s)
- Wenjie Zhang
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Qing Chang
- Clinical Research Center; Shanghai Jiading Central Hospital; 1 Chengbei Road Shanghai 201800 China
| | - Ling Xu
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Guanglong Li
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Guangzheng Yang
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Xun Ding
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Xiansong Wang
- Department of Plastic and Reconstructive Surgery; Shanghai Key Laboratory of Tissue Engineering; Shanghai 9th People's Hospital; Shanghai Jiao Tong University School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
| | - Daxiang Cui
- Department of Bio-Nano Science and Engineering; Key Laboratory for Thin Film and Microfabrication of Ministryof Education; Research Institute of Micro/Nano Science and Technology; Shanghai Jiao Tong University; Shanghai 200240 China
| | - Xinquan Jiang
- Department of Prosthodontics; Oral Bioengineering and regenerative medicine Lab; Ninth People's Hospital affiliated to Shanghai Jiao; Tong University; School of Medicine; 639 Zhizaoju Road Shanghai 200011 China
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Zhang W, Zhang X, Ling J, Wei X, Jian Y. Osteo-/odontogenic differentiation of BMP2 and VEGF gene-co-transfected human stem cells from apical papilla. Mol Med Rep 2016; 13:3747-54. [PMID: 26986020 PMCID: PMC4838134 DOI: 10.3892/mmr.2016.4993] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2015] [Accepted: 02/04/2016] [Indexed: 12/13/2022] Open
Abstract
Stem cells from apical papilla (SCAP) possess clear osteo-/odontogenic differentiation capabilities, and are regarded as the major cellular source for root dentin development. Bone morphogenetic protein 2 (BMP2) and vascular endothelial growth factor (VEGF) serve pivotal roles in the modulation of tooth development and dentin formation. However, the synergistic effects of BMP2 and VEGF on osteo-/odontogenic differentiation of SCAP remain unclear. The current study aimed to investigate the proliferative and osteo-/odontogenic differentiating capabilities of BMP2 and VEGF gene-co-transfected SCAP (SCAP-BMP2-VEGF) in vitro. The basic characteristics of the isolated SCAP were identified by the induction of multipotent differentiation and by flow cytometry. Lentiviral vector-mediated gene transfection was conducted with SCAP in order to construct blank vector-transfected SCAP (SCAP-green fluorescent protein), BMP2 gene-transfected SCAP (SCAP-BMP2), VEGF gene-transfected SCAP (SCAP-VEGF) and SCAP-BMP2-VEGF. The Cell Counting Kit 8 assay was used to analyze the proliferative capacities of the four groups of cells. The expression of osteo-/odontogenic genes and proteins in the cells were evaluated by reverse transcription-quantitative polymerase chain reaction and western blotting. The mineralized nodules formed by the four group cells were visualized by alkaline phosphatase (ALP) staining. Among the four groups of cells, SCAP-VEGF was demonstrated to exhibit increased proliferation, and SCAP-BMP2-VEGF exhibited reduced proliferation during eight days observation. SCAP-BMP2-VEGF exhibited significantly increased expression levels of ALP, osteocalcin, dentin sialophosphoprotein, dentin matrix acidic phosphoprotein gene 1 and dentin sialoprotein than the other three groups at the majority of the time points. Furthermore, the SCAP-BMP2-VEGF group exhibited a significantly greater number of ALP-positive mineralized nodules than the other groups following 16 days culture in vitro. In conclusion, lentiviral vector-mediated BMP2 and VEGF gene co-transfection significantly activated the osteo-/odontogenic differentiation of human SCAP.
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Affiliation(s)
- Wen Zhang
- Guangdong Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School and Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Xiaolei Zhang
- Guangdong Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School and Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Junqi Ling
- Guangdong Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School and Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Xi Wei
- Guangdong Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School and Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Yutao Jian
- Guangdong Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School and Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China
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Pan H, Zheng Q, Guo X, Wu Y, Wu B. Polydopamine-assisted BMP-2-derived peptides immobilization on biomimetic copolymer scaffold for enhanced bone induction in vitro and in vivo. Colloids Surf B Biointerfaces 2016; 142:1-9. [PMID: 26924362 DOI: 10.1016/j.colsurfb.2016.01.060] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 01/29/2016] [Accepted: 01/30/2016] [Indexed: 10/22/2022]
Abstract
In this study, a polydopamine (pDA)-coated PLGA-[Asp-PEG]n scaffold was developed for sustained delivery of bone morphogenetic protein-2 (BMP-2)-derived peptide (designated as P24), and then used to address the hypothesis that P24 peptides delivered from the scaffolds could enhance bone induction in vitro and in vivo. We found pDA coating as compared with physical adsorption could more efficiently mediate the grafting of peptides onto polymer surfaces, and the release of P24 peptides from PLGA-[Asp-PEG]n-pDA-P24 was sustained for about 21 days, while a burst P24 release was observed in initial 4h and almost all peptides were released within 24h in physisorbed PLGA-[Asp-PEG]n-P24 group. In vitro, significantly greater ALP activity and mRNA expressions of osteo-specific markers of rat-derived mesenchymal stem cells (rMSCs) were observed in the sustained delivery system than those in physisorbed PLGA-[Asp-PEG]n-P24 and unmodified PLGA-[Asp-PEG]n groups. In vivo, ectopic bone formation studies showed that the sustained delivery system could induce bone formation to a much greater extent than physisorbed PLGA-[Asp-PEG]n-P24. Meanwhile, there were no evidences of bone formation in non-P24-loaded PLGA-[Asp-PEG]n. It is concluded that PLGA-[Asp-PEG]n-pDA-P24 biomaterial can delivery bioactive P24 peptides in a sustained manner, which can more efficiently promote osteogenic differentiation of rMSCs in vitro and induce ectopic bone formation in vivo, as compared with PLGA-[Asp-PEG]n-P24 delivering P24 in a burst manner. This pDA-coated PLGA-[Asp-PEG]n-pDA-P24 composite promises to be an excellent biomaterial for inducing bone regeneration. Moreover, pDA-mediated catechol functionalization can be an effective, simple technique for developing sustained delivery systems.
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Affiliation(s)
- Haitao Pan
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Qixin Zheng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Xiaodong Guo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Yongchao Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Bin Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China.
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Gu Y, Chen L, Niu HY, Shen XF, Yang HL. Promoting spinal fusions by biomineralized silk fibroin films seeded with bone marrow stromal cells: An in vivo animal study. J Biomater Appl 2015; 30:1251-60. [PMID: 26637445 DOI: 10.1177/0885328215620067] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVES To prepare a biomineralized nano silk fibroin film seeded with bone marrow stromal cells (BMSCs), and to evaluate its performance in spinal fusion. METHODS The silk fibroin film was mineralized in a modified, simulated body fluid, seeded with BMSCs, and evaluated in a rat model of posterolateral lumbar fusion, compared with pure silk fibroin, silk fibroin/bone marrow stromal cells, mineralized silk fibroin, mineralized silk fibroin/bone marrow stromal cells, iliac crest bone, and no graft. After 12 weeks, all rats were sacrificed and underwent manual palpation, micro-CT scanning, biomechanical testing, and histology. RESULTS The infrared spectrum, X-ray diffraction, and scanning electron microscopy demonstrated deposition of mineral layers on the silk fibroin film surface. The fusion rate, bone volume, relative strength and stiffness, and histological score of the mineralized silk fibroin/bone marrow stromal cells were slightly lower than the autograft, but without any significant difference (p > 0.05). In addition, the mineralized silk fibroin was significantly greater in most parameters than the silk fibroin/bone marrow stromal cells (p < 0.05). CONCLUSION The mineralized silk fibroin resembles natural bone structurally, and the cellular and mineral layers of silk fibroin are both critical to bone regeneration. The ability to promote spinal fusion is enhanced when the mineralized silk fibroin is seeded with bone marrow stromal cells.
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Affiliation(s)
- Yong Gu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, China
| | - Liang Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, China
| | - Hai-Yun Niu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, China
| | - Xiao-Feng Shen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, China
| | - Hui-Lin Yang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, China
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Ye L, Jiang WG. Bone morphogenetic proteins in tumour associated angiogenesis and implication in cancer therapies. Cancer Lett 2015; 380:586-597. [PMID: 26639195 DOI: 10.1016/j.canlet.2015.10.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 09/17/2015] [Accepted: 10/12/2015] [Indexed: 02/09/2023]
Abstract
Bone morphogenetic protein (BMP) belongs to transforming growth factor-β superfamily. To date, more than 20 BMPs have been identified in humans. BMPs play a critical role in embryonic and postnatal development, and also in maintaining homeostasis in different organs and tissues by regulating cell differentiation, proliferation, survival and motility. They play important roles in the development and progression of certain malignancies, including prostate cancer, breast cancer, lung cancer, etc. Recently, more evidence shows that BMPs are also involved in tumour associated angiogenesis. For example BMP can either directly regulate the functions of vascular endothelial cells or indirectly influence the angiogenesis via regulation of angiogenic factors, such as vascular endothelial growth factor (VEGF). Such crosstalk can also be reflected in the interaction with other angiogenic factors, like hepatocyte growth factor (HGF) and basic fibroblast growth factor (bFGF). All these factors are involved in the orchestration of the angiogenic process during tumour development and progression. Review of the relevant studies will provide a comprehensive prospective on current understanding and shed light on the corresponding therapeutic opportunity.
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Affiliation(s)
- Lin Ye
- Metastasis & Angiogenesis Research Group, Cardiff University-Peking University Cancer Institute, Institute of Cancer and Genetics, Cardiff University School of Medicine, Cardiff CF14 4XN, UK.
| | - Wen G Jiang
- Metastasis & Angiogenesis Research Group, Cardiff University-Peking University Cancer Institute, Institute of Cancer and Genetics, Cardiff University School of Medicine, Cardiff CF14 4XN, UK
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Zhu Y, Cao H, Qiao S, Wang M, Gu Y, Luo H, Meng F, Liu X, Lai H. Hierarchical micro/nanostructured titanium with balanced actions to bacterial and mammalian cells for dental implants. Int J Nanomedicine 2015; 10:6659-74. [PMID: 26604743 PMCID: PMC4629971 DOI: 10.2147/ijn.s92110] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
A versatile strategy to endow dental implants with long-term antibacterial ability without compromising the cytocompatibility is highly desirable to combat implant-related infection. Silver nanoparticles (Ag NPs) have been utilized as a highly effective and broad-spectrum antibacterial agent for surface modification of biomedical devices. However, the high mobility and subsequent hazardous effects of the particles on mammalian cells may limit its practical applications. Thus, Ag NPs were immobilized on the surface of sand-blasted, large grit, and acid-etched (SLA) titanium by manipulating the atomic-scale heating effect of silver plasma immersion ion implantation. The silver plasma immersion ion implantation-treated SLA surface gave rise to both good antibacterial activity and excellent compatibility with mammalian cells. The antibacterial activity rendered by the immobilized Ag NPs was assessed using Fusobacterium nucleatum and Staphylococcus aureus, commonly suspected pathogens for peri-implant disease. The immobilized Ag NPs offered a good defense against multiple cycles of bacteria attack in both F. nucleatum and S. aureus, and the mechanism was independent of silver release. F. nucleatum showed a higher susceptibility to Ag NPs than S. aureus, which might be explained by the presence of different wall structures. Moreover, the immobilized Ag NPs had no apparent toxic influence on the viability, proliferation, and differentiation of rat bone marrow mesenchymal stem cells. These results demonstrated that good bactericidal activity could be obtained with very small quantities of immobilized Ag NPs, which were not detrimental to the mammalian cells involved in the osseointegration process, and promising for titanium-based dental implants with commercial SLA surfaces.
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Affiliation(s)
- Yu Zhu
- Department of Oral and Maxillofacial Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Huiliang Cao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Shichong Qiao
- Department of Oral and Maxillofacial Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Manle Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai University of Engineering Science, Shanghai, People's Republic of China ; School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Yingxin Gu
- Department of Oral and Maxillofacial Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Huiwen Luo
- Department of Oral and Maxillofacial Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Fanhao Meng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Hongchang Lai
- Department of Oral and Maxillofacial Implantology, Shanghai Key Laboratory of Stomatology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
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Mazaheri M, Eslahi N, Ordikhani F, Tamjid E, Simchi A. Nanomedicine applications in orthopedic medicine: state of the art. Int J Nanomedicine 2015; 10:6039-53. [PMID: 26451110 PMCID: PMC4592034 DOI: 10.2147/ijn.s73737] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The technological and clinical need for orthopedic replacement materials has led to significant advances in the field of nanomedicine, which embraces the breadth of nanotechnology from pharmacological agents and surface modification through to regulation and toxicology. A variety of nanostructures with unique chemical, physical, and biological properties have been engineered to improve the functionality and reliability of implantable medical devices. However, mimicking living bone tissue is still a challenge. The scope of this review is to highlight the most recent accomplishments and trends in designing nanomaterials and their applications in orthopedics with an outline on future directions and challenges.
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Affiliation(s)
- Mozhdeh Mazaheri
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Niloofar Eslahi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Farideh Ordikhani
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Elnaz Tamjid
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Abdolreza Simchi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran ; Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, Iran
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Clinoenstatite coatings have high bonding strength, bioactive ion release, and osteoimmunomodulatory effects that enhance in vivo osseointegration. Biomaterials 2015; 71:35-47. [PMID: 26318815 DOI: 10.1016/j.biomaterials.2015.08.027] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 08/14/2015] [Indexed: 01/06/2023]
Abstract
A number of coating materials have been developed over past two decades seeking to improve the osseointegration of orthopedic metal implants. Despite the many candidate materials trialed, their low rate of translation into clinical applications suggests there is room for improving the current strategies for their development. We therefore propose that the ideal coating material(s) should possess the following three properties: (i) high bonding strength, (ii) release of functional ions, and (iii) favourable osteoimmunomodulatory effects. To test this proposal, we developed clinoenstatite (CLT, MgSiO3), which as a coating material has high bonding strength, cytocompability and immunomodulatory effects that are favourable for in vivo osteogenesis. The bonding strength of CLT coatings was 50.1 ± 3.2 MPa, more than twice that of hydroxyapatite (HA) coatings, at 23.5 ± 3.5 MPa. CLT coatings released Mg and Si ions, and compared to HA coatings, induced an immunomodulation more conducive for osseointegration, demonstrated by downregurelation of pro-inflammatory cytokines, enhancement of osteogenesis, and inhibition of osteoclastogenesis. In vivo studies demonstrated that CLT coatings improved osseointegration with host bone, as shown by the enhanced biomechanical strength and increased de novo bone formation, when compared with HA coatings. These results support the notion that coating materials with the proposed properties can induce an in vivo environment better suited for osseointegration. These properties could, therefore, be fundamental when developing high-performance coating materials.
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Zhang W, Wray LS, Rnjak-Kovacina J, Xu L, Zou D, Wang S, Zhang M, Dong J, Li G, Kaplan DL, Jiang X. Vascularization of hollow channel-modified porous silk scaffolds with endothelial cells for tissue regeneration. Biomaterials 2015; 56:68-77. [DOI: 10.1016/j.biomaterials.2015.03.053] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 03/20/2015] [Accepted: 03/27/2015] [Indexed: 02/08/2023]
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