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Eichholz KF, Pitacco P, Burdis R, Chariyev-Prinz F, Barceló X, Tornifoglio B, Paetzold R, Garcia O, Kelly DJ. Integrating Melt Electrowriting and Fused Deposition Modeling to Fabricate Hybrid Scaffolds Supportive of Accelerated Bone Regeneration. Adv Healthc Mater 2024; 13:e2302057. [PMID: 37933556 DOI: 10.1002/adhm.202302057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Emerging additive manufacturing (AM) strategies can enable the engineering of hierarchal scaffold structures for guiding tissue regeneration. Here, the advantages of two AM approaches, melt electrowriting (MEW) and fused deposition modelling (FDM), are leveraged and integrated to fabricate hybrid scaffolds for large bone defect healing. MEW is used to fabricate a microfibrous core to guide bone healing, while FDM is used to fabricate a stiff outer shell for mechanical support, with constructs being coated with pro-osteogenic calcium phosphate (CaP) nano-needles. Compared to MEW scaffolds alone, hybrid scaffolds prevent soft tissue collapse into the defect region and support increased vascularization and higher levels of new bone formation 12 weeks post-implantation. In an additional group, hybrid scaffolds are also functionalized with BMP2 via binding to the CaP coating, which further accelerates healing and facilitates the complete bridging of defects after 12 weeks. Histological analyses demonstrate that such scaffolds support the formation of well-defined annular bone, with an open medullary cavity, smooth periosteal surface, and no evidence of abnormal ectopic bone formation. These results demonstrate the potential of integrating different AM approaches for the development of regenerative biomaterials, and in particular, demonstrate the enhanced bone healing outcomes possible with hybrid MEW-FDM constructs.
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Affiliation(s)
- Kian F Eichholz
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, D02 CP49, Ireland
| | - Pierluca Pitacco
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
| | - Ross Burdis
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, D02 CP49, Ireland
| | - Farhad Chariyev-Prinz
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
| | - Xavier Barceló
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, D02 CP49, Ireland
| | - Brooke Tornifoglio
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
| | - Ryan Paetzold
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, D02 CP49, Ireland
- School of Mechanical and Materials Engineering, University College Dublin, Dublin, D04 E4X0, Ireland
| | - Orquidea Garcia
- Johnson & Johnson 3D Printing Innovation and Customer Solutions, Johnson & Johnson Services, Inc., Irvine, CA, 92618, USA
| | - Daniel J Kelly
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin, D02 R590, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 VH29, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, D02 CP49, Ireland
- Department of Anatomy and Regenerative ME, Royal College of Surgeons in Ireland, Dublin, D02 YN77, Ireland
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Bello SA, Cruz-Lebrón J, Rodríguez-Rivera OA, Nicolau E. Bioactive Scaffolds as a Promising Alternative for Enhancing Critical-Size Bone Defect Regeneration in the Craniomaxillofacial Region. ACS APPLIED BIO MATERIALS 2023; 6:4465-4503. [PMID: 37877225 DOI: 10.1021/acsabm.3c00432] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Reconstruction of critical-size bone defects (CSDs) in the craniomaxillofacial (CMF) region remains challenging. Scaffold-based bone-engineered constructs have been proposed as an alternative to the classical treatments made with autografts and allografts. Scaffolds, a key component of engineered constructs, have been traditionally viewed as biologically passive temporary replacements of deficient bone lacking intrinsic cues to promote osteogenesis. Nowadays, scaffolds are functionalized, giving rise to bioactive scaffolds promoting bone regeneration more effectively than conventional counterparts. This review focuses on the three approaches most used to bioactivate scaffolds: (1) conferring microarchitectural designs or surface nanotopography; (2) loading bioactive molecules; and (3) seeding stem cells on scaffolds, providing relevant examples of in vivo (preclinical and clinical) studies where these methods are employed to enhance CSDs healing in the CMF region. From these, adding bioactive molecules (specifically bone morphogenetic proteins or BMPs) to scaffolds has been the most explored to bioactivate scaffolds. Nevertheless, the downsides of grafting BMP-loaded scaffolds in patients have limited its successful translation into clinics. Despite these drawbacks, scaffolds containing safer, cheaper, and more effective bioactive molecules, combined with stem cells and topographical cues, remain a promising alternative for clinical use to treat CSDs in the CMF complex replacing autografts and allografts.
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Affiliation(s)
- Samir A Bello
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Junellie Cruz-Lebrón
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Osvaldo A Rodríguez-Rivera
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Eduardo Nicolau
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
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Gómez-Álvarez M, Agustina-Hernández M, Francés-Herrero E, Rodríguez-Eguren A, Bueno-Fernandez C, Cervelló I. Addressing Key Questions in Organoid Models: Who, Where, How, and Why? Int J Mol Sci 2023; 24:16014. [PMID: 37958996 PMCID: PMC10650475 DOI: 10.3390/ijms242116014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/26/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Organoids are three-dimensional cellular structures designed to recreate the biological characteristics of the body's native tissues and organs in vitro. There has been a recent surge in studies utilizing organoids due to their distinct advantages over traditional two-dimensional in vitro approaches. However, there is no consensus on how to define organoids. This literature review aims to clarify the concept of organoids and address the four fundamental questions pertaining to organoid models: (i) What constitutes organoids?-The cellular material. (ii) Where do organoids grow?-The extracellular scaffold. (iii) How are organoids maintained in vitro?-Via the culture media. (iv) Why are organoids suitable in vitro models?-They represent reproducible, stable, and scalable models for biological applications. Finally, this review provides an update on the organoid models employed within the female reproductive tract, underscoring their relevance in both basic biology and clinical applications.
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Affiliation(s)
- María Gómez-Álvarez
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
| | - Marcos Agustina-Hernández
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
| | - Emilio Francés-Herrero
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
- Department of Pediatrics, Obstetrics and Gynecology, Universitat de València, 46010 Valencia, Spain
| | - Adolfo Rodríguez-Eguren
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
| | - Clara Bueno-Fernandez
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
- Department of Pediatrics, Obstetrics and Gynecology, Universitat de València, 46010 Valencia, Spain
| | - Irene Cervelló
- Instituto de Investigación Sanitaria La Fe (IIS La Fe), IVI Foundation, IVIRMA Global Research Alliance, 46026 Valencia, Spain; (M.G.-Á.); (M.A.-H.); (E.F.-H.); (A.R.-E.); (C.B.-F.)
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Sun X, Li X, Tian P, Zhao J, Xin H, Ma X, Yuan X. The Sequential and Systemic Administration of BMP-2 and SDF-1α Nanocapsules for Promoting Osteoporotic Fracture Healing. Biomimetics (Basel) 2023; 8:369. [PMID: 37622974 PMCID: PMC10452594 DOI: 10.3390/biomimetics8040369] [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: 05/13/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/26/2023] Open
Abstract
OBJECTIVE The objective of this study was to investigate the use of the nanocapsule sequential delivery of BMP-2 and SDF-1α through the peripheral circulatory system to promote the healing of osteoporotic fractures. METHODS Based on increased vascular permeability in the early hematoma environment around the fracture and the presence of a large number of matrix metalloproteinase MMPs in the inflammatory environment, we designed MMP-sensitive nanocapsules which were formed viain situ free-radical polymerization on the surface of grow factors with 2-(methacryloyloxy) ethyl phosphorylcholine (MPC) and the bisacryloylated VPLGVRTK peptide. The antiphagic effect and biological activity of the growth factors for the nanomicrocapsule delivery system were tested by cell experiments. The 36 SD rats with an osteoporotic fracture model were randomly divided into six groups (A, B, C, D, E, and F). In this paper, the nanocapsules loaded with BMP-2 and SDF-1 are represented as n (BMP-2) and n (SDF-1α). In the six groups, the following different combinations of growth factors were injected into the bone defect site on days 1 and 3 after bone defect surgery: in group A, n (SDF-1α) combined with n (SDF-1α); in group B, n (BMP-2) combined with n (BMP-2); in group C, n (SDF-1α) + n (BMP-2) combined with n (SDF-1α) + n (BMP-2); in group D, n (SDF-1α) combined with n (BMP-2); in group E, n (BMP-2) combined with n (SDF-1α); in group F, nanocapsules without growth factor were used as the control group. Micro-CT was used to observe the effect of n(BMP-2) and n(SDF-1α) sequential delivery inearly healing in osteoporotic fractures. Finally, in this study, we evaluated the safety of the nanocapsules delivery system by detecting ectopic osteogenesis and inflammatory responses in animals. RESULTS Nanocapsules have low toxicity and protect the integrity and biological activity of growth factors. The results confirmed that nanocapsules could still be effectively targeted to the fracture site on days 1, 3, and 7 after intravenous administration. Growth factors encapsulated in nanocapsules have better bone repair results than natural growth factors. In particular, groups C and D had the best bone repair results than other groups.In vivo experiments confirmed that nanocapsules did not cause significant ectopic osteogenesis and inflammation. CONCLUSION The results confirmed that the special vascular permeability and inflammatory factor microenvironment of the fracture site could be used to deliver two growth factors with a synergistic effect through venous circulation, which could better promote the healing process of osteoporotic fracture.
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Affiliation(s)
- Xiaolei Sun
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (X.S.); (J.Z.); (H.X.)
| | - Xueping Li
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China;
| | - Peng Tian
- Department of Orthopaedics, Tianjin Hospital, Tianjin 300211, China;
| | - Jin Zhao
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (X.S.); (J.Z.); (H.X.)
| | - Hou Xin
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (X.S.); (J.Z.); (H.X.)
| | - Xinlong Ma
- Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin 300211, China
| | - Xubo Yuan
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (X.S.); (J.Z.); (H.X.)
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Zhou X, Wang Z, Li T, Liu Z, Sun X, Wang W, Chen L, He C. Enhanced tissue infiltration and bone regeneration through spatiotemporal delivery of bioactive factors from polyelectrolytes modified biomimetic scaffold. Mater Today Bio 2023; 20:100681. [PMID: 37304580 PMCID: PMC10250921 DOI: 10.1016/j.mtbio.2023.100681] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/09/2023] [Accepted: 05/23/2023] [Indexed: 06/13/2023] Open
Abstract
Efficient healing of bone defect is closely associated with the structured and functional characters of tissue engineered scaffolds. However, the development of bone implants with rapid tissue ingrowth and favorable osteoinductive properties remains a challenge. Herein, we fabricated polyelectrolytes modified-biomimetic scaffold with macroporous and nanofibrous structures as well as simultaneous delivery of BMP-2 protein and trace element strontium. The hierarchically structured scaffold incorporated with strontium-substituted hydroxyapatite (SrHA) was coated with polyelectrolyte multilayers of chitosan/gelatin via layer-by-layer assembly technique for BMP-2 immobilization, which endowed the composite scaffold with sequential release of BMP-2 and Sr ions. The integration of SrHA improved the mechanical property of composite scaffold, while the polyelectrolytes modification strongly increased the hydrophilicity and protein binding efficiency. In addition, polyelectrolytes modified-scaffold significantly facilitated cell proliferation in vitro, as well as enhanced tissue infiltration and new microvascular formation in vivo. Furthermore, the dual-factor loaded scaffold significantly enhanced the osteogenic differentiation of bone marrow mesenchymal stem cells. Moreover, both vascularization and new bone formation were significantly increased by the treatment of dual-factor delivery scaffold in the rat calvarial defects model, suggesting a synergistic effect on bone regeneration through spatiotemporal delivery of BMP-2 and Sr ions. Overall, this study demonstrate that the prepared biomimetic scaffold as dual-factor delivery system has great potential for bone regeneration application.
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Affiliation(s)
- Xiaojun Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Zunjuan Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Tao Li
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Zhonglong Liu
- Department of Oral & Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Xin Sun
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Weizhong Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
| | - Liang Chen
- Department of Joint Surgery, Zhongshan Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Traditional Chinese Medicine, Zhongshan, 528400, China
| | - Chuanglong He
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai, 201620, China
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Sahoo JK, Hasturk O, Falcucci T, Kaplan DL. Silk chemistry and biomedical material designs. Nat Rev Chem 2023; 7:302-318. [PMID: 37165164 DOI: 10.1038/s41570-023-00486-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2023] [Indexed: 05/12/2023]
Abstract
Silk fibroin has applications in different medical fields such as tissue engineering, regenerative medicine, drug delivery and medical devices. Advances in silk chemistry and biomaterial designs have yielded exciting tools for generating new silk-based materials and technologies. Selective chemistries can enhance or tune the features of silk, such as mechanics, biodegradability, processability and biological interactions, to address challenges in medically relevant materials (hydrogels, films, sponges and fibres). This Review details the design and utility of silk biomaterials for different applications, with particular focus on chemistry. This Review consists of three segments: silk protein fundamentals, silk chemistries and functionalization mechanisms. This is followed by a description of different crosslinking chemistries facilitating network formation, including the formation of composite biomaterials. Utility in the fields of tissue engineering, drug delivery, 3D printing, cell coatings, microfluidics and biosensors are highlighted. Looking to the future, we discuss silk biomaterial design strategies to continue to improve medical outcomes.
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Affiliation(s)
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
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Yong J, Mellick AS, Whitelock J, Wang J, Liang K. A Biomolecular Toolbox for Precision Nanomotors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2205746. [PMID: 36055646 DOI: 10.1002/adma.202205746] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/31/2022] [Indexed: 06/15/2023]
Abstract
The application of nanomotors for cancer diagnosis and therapy is a new and exciting area of research, which when combined with precision nanomedicine, promises to solve many of the issues encountered by previous development of passive nanoparticles. The goal of this article is to introduce nanomotor and nanomedicine researchers to the deep pool of knowledge available regarding cancer cell biology and biochemistry, as well as provide a greater appreciation of the complexity of cell membrane compositions, extracellular surfaces, and their functional consequences. A short description of the nanomotor state-of-art for cancer therapy and diagnosis is first provided, as well as recommendations for future directions of the field. Then, a biomolecular targeting toolbox has been collated for researchers looking to apply their nanomaterial of choice to a biological setting, as well as providing a glimpse into currently available clinical therapies and technologies. This toolbox contains an overview of different classes of targeting molecules available for high affinity and specific targeting and cell surface targets to aid researchers in the selection of a clinical disease model and targeting methodology. It is hoped that this review will provide biological context, inspiration, and direction to future nanomotor and nanomedicine research.
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Affiliation(s)
- Joel Yong
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Kensington, New South Wales, 2052, Australia
| | - Albert S Mellick
- Graduate School of Biomedical Engineering, The University of New South Wales, Kensington, New South Wales, 2052, Australia
- Ingham Institute for Applied Medical Research, Liverpool, New South Wales, 2170, Australia
| | - John Whitelock
- Graduate School of Biomedical Engineering, The University of New South Wales, Kensington, New South Wales, 2052, Australia
| | - Joseph Wang
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Kang Liang
- School of Chemical Engineering and Australian Centre for NanoMedicine, The University of New South Wales, Kensington, New South Wales, 2052, Australia
- Graduate School of Biomedical Engineering, The University of New South Wales, Kensington, New South Wales, 2052, Australia
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Nun N, Joy A. Fabrication and Bioactivity of Peptide-Conjugated Biomaterial Tissue Engineering Constructs. Macromol Rapid Commun 2023; 44:e2200342. [PMID: 35822458 DOI: 10.1002/marc.202200342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/22/2022] [Indexed: 01/11/2023]
Abstract
Tissue engineering combines materials engineering, cells and biochemical factors to improve, restore or replace various types of biological tissues. A nearly limitless combination of these strategies can be combined, providing a means to augment the function of a number of biological tissues such as skin tissue, neural tissue, bones, and cartilage. Compounds such as small molecule therapeutics, proteins, and even living cells have been incorporated into tissue engineering constructs to influence biological processes at the site of implantation. Peptides have been conjugated to tissue engineering constructs to circumvent limitations associated with conjugation of proteins or incorporation of cells. This review highlights various contemporary examples in which peptide conjugation is used to overcome the disadvantages associated with the inclusion of other bioactive compounds. This review covers several peptides that are commonly used in the literature as well as those that do not appear as frequently to provide a broad scope of the utility of the peptide conjugation technique for designing constructs capable of influencing the repair and regeneration of various bodily tissues. Additionally, a brief description of the construct fabrication techniques encountered in the covered examples and their advantages in various tissue engineering applications is provided.
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Affiliation(s)
- Nicholas Nun
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH, 44321, USA
| | - Abraham Joy
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH, 44321, USA
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Shi J, Dai W, Gupta A, Zhang B, Wu Z, Zhang Y, Pan L, Wang L. Frontiers of Hydroxyapatite Composites in Bionic Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15238475. [PMID: 36499970 PMCID: PMC9738134 DOI: 10.3390/ma15238475] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 05/31/2023]
Abstract
Bone defects caused by various factors may cause morphological and functional disorders that can seriously affect patient's quality of life. Autologous bone grafting is morbid, involves numerous complications, and provides limited volume at donor site. Hence, tissue-engineered bone is a better alternative for repair of bone defects and for promoting a patient's functional recovery. Besides good biocompatibility, scaffolding materials represented by hydroxyapatite (HA) composites in tissue-engineered bone also have strong ability to guide bone regeneration. The development of manufacturing technology and advances in material science have made HA composite scaffolding more closely related to the composition and mechanical properties of natural bone. The surface morphology and pore diameter of the scaffold material are more important for cell proliferation, differentiation, and nutrient exchange. The degradation rate of the composite scaffold should match the rate of osteogenesis, and the loading of cells/cytokine is beneficial to promote the formation of new bone. In conclusion, there is no doubt that a breakthrough has been made in composition, mechanical properties, and degradation of HA composites. Biomimetic tissue-engineered bone based on vascularization and innervation show a promising future.
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Affiliation(s)
- Jingcun Shi
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Wufei Dai
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Shanghai Tissue Engineering Key Laboratory, Shanghai Research Institute of Plastic and Reconstructive Surgey, Shanghai 200011, China
| | - Anand Gupta
- Department of Dentistry, Government Medical College & Hospital, Chandigarh 160017, India
| | - Bingqing Zhang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Ziqian Wu
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Yuhan Zhang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Lisha Pan
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Lei Wang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
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Yu H, Xia L, Leng X, Chen Y, Zhang L, Ni X, Luo J, Leng W. Improved repair of rabbit calvarial defects with hydroxyapatite/chitosan/polycaprolactone composite scaffold-engrafted EPCs and BMSCs. Front Bioeng Biotechnol 2022; 10:928041. [PMID: 35992335 PMCID: PMC9382592 DOI: 10.3389/fbioe.2022.928041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Endothelial progenitor cells (EPCs) expressing vascular endothelial growth factor (VEGF) and platelet-derived growth factor (PDGF) and bone marrow mesenchymal stem cells (BMSCs) expressing endogenous bone morphogenetic protein-2 (BMP-2) play the important role in new bone formation. This study investigated the effects of a porous hydroxyapatite (HA)/chitosan (CS)/polycaprolactone (PCL) composite scaffold-engrafted EPCs and BMSCs on the expression of BMP-2, VEGF, and PDGF in the calvarial defect rabbit model in vivo. It showed that a three-dimensional composite scaffold was successfully constructed by physical interaction with a pore size of 250 μm. The HA/CS/PCL scaffold degraded slowly within 10 weeks and showed non-cytotoxicity. By X-ray, micro-CT examination, and H&E staining, compared with the HA/CS/PCL group, HA/CS/PCL + EPCs, HA/CS/PCL + BMSCs, and HA/CS/PCL + EPCs + BMSCs groups performed a more obvious repair effect, and the dual factor group presented particularly significant improvement on the percentages of bone volume at week 4 and week 8, with evident bone growth. Osteogenesis marker (BMP-2) and vascularization marker (VEGF and PDGF) expression in the dual factor group were much better than those of the HA/CS/PCL control group and single factor groups. Collectively, the HA/CS/PCL composite scaffold-engrafting EPCs and BMSCs is effective to repair calvarial defects by regulating endogenous expression of BMP-2, VEGF, and PDGF. Thus, this study provides important implications for the potential clinical application of biomaterial composite scaffold-engrafted engineering cells.
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Affiliation(s)
- Hedong Yu
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
| | - Lingyun Xia
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
| | - Xieyuan Leng
- The First Clinical College, Anhui Medical University, Hefei, China
| | - Yongji Chen
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
| | - Li Zhang
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
| | - Xiaobing Ni
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
| | - Jie Luo
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- *Correspondence: Weidong Leng, ; Jie Luo,
| | - Weidong Leng
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Dental Research, School of Dentistry, Hubei University of Medicine, Shiyan, China
- *Correspondence: Weidong Leng, ; Jie Luo,
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11
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Malcor JD, Mallein-Gerin F. Biomaterial functionalization with triple-helical peptides for tissue engineering. Acta Biomater 2022; 148:1-21. [PMID: 35675889 DOI: 10.1016/j.actbio.2022.06.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/09/2022] [Accepted: 06/01/2022] [Indexed: 11/29/2022]
Abstract
In the growing field of tissue engineering, providing cells in biomaterials with the adequate biological cues represents an increasingly important challenge. Yet, biomaterials with excellent mechanical properties often are often biologically inert to many cell types. To address this issue, researchers resort to functionalization, i.e. the surface modification of a biomaterial with active molecules or substances. Functionalization notably aims to replicate the native cellular microenvironment provided by the extracellular matrix, and in particular by collagen, its major component. As our understanding of biological processes regulating cell behaviour increases, functionalization with biomolecules binding cell surface receptors constitutes a promising strategy. Amongst these, triple-helical peptides (THPs) that reproduce the architectural and biological properties of collagen are especially attractive. Indeed, THPs containing binding sites from the native collagen sequence have successfully been used to guide cell response by establishing cell-biomaterial interactions. Notably, the GFOGER motif recognising the collagen-binding integrins is extensively employed as a cell adhesive peptide. In biomaterials, THPs efficiently improved cell adhesion, differentiation and function on biomaterials designed for tissue repair (especially for bone, cartilage, tendon and heart), vascular graft fabrication, wound dressing, drug delivery or immunomodulation. This review describes the key characteristics of THPs, their effect on cells when combined to biomaterials and their strong potential as biomimetic tools for regenerative medicine. STATEMENT OF SIGNIFICANCE: This review article describes how triple-helical peptides constitute efficient tools to improve cell-biomaterial interactions in tissue engineering. Triple helical peptides are bioactive molecules that mimic the architectural and biological properties of collagen. They have been successfully used to specifically recognize cell-surface receptors and provide cells seeded on biomaterials with controlled biological cues. Functionalization with triple-helical peptides has enabled researchers to improve cell function for regenerative medicine applications, such as tissue repair. However, despite encouraging results, this approach remains limited and under-exploited, and most functionalization strategies reported in the literature rely on biomolecules that are unable to address collagen-binding receptors. This review will assist researchers in selecting the correct tools to functionalize biomaterials in efforts to guide cellular response.
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Affiliation(s)
- Jean-Daniel Malcor
- Laboratory of Tissue Biology and Therapeutic Engineering, CNRS UMR 5305, University Claude Bernard-Lyon 1 and University of Lyon, 7 Passage du Vercors, Cedex 07, Lyon 69367, France.
| | - Frédéric Mallein-Gerin
- Laboratory of Tissue Biology and Therapeutic Engineering, CNRS UMR 5305, University Claude Bernard-Lyon 1 and University of Lyon, 7 Passage du Vercors, Cedex 07, Lyon 69367, France
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12
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Bioactive gelatin cryogels with BMP‐2 biomimetic peptide and VEGF: A potential scaffold for synergistically induced osteogenesis. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.10.070] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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13
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Sun J, Li L, Xing F, Yang Y, Gong M, Liu G, Wu S, Luo R, Duan X, Liu M, Zou M, Xiang Z. Graphene oxide-modified silk fibroin/nanohydroxyapatite scaffold loaded with urine-derived stem cells for immunomodulation and bone regeneration. Stem Cell Res Ther 2021; 12:591. [PMID: 34863288 PMCID: PMC8642892 DOI: 10.1186/s13287-021-02634-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 10/22/2021] [Indexed: 02/08/2023] Open
Abstract
Background The invasive and complicated procedures involving the use of traditional stem cells limit their application in bone tissue engineering. Cell-free, tissue-engineered bones often have complex scaffold structures and are usually engineered using several growth factors (GFs), thus leading to costly and difficult preparations. Urine-derived stem cells (USCs), a type of autologous stem cell isolated noninvasively and with minimum cost, are expected to solve the typical problems of using traditional stem cells to engineer bones. In this study, a graphene oxide (GO)-modified silk fibroin (SF)/nanohydroxyapatite (nHA) scaffold loaded with USCs was developed for immunomodulation and bone regeneration. Methods The SF/nHA scaffolds were prepared via lyophilization and cross-linked with GO using 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxy succinimide (NHS). Scaffolds containing various concentrations of GO were characterized using scanning electron microscopy (SEM), the elastic modulus test, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectrometer (XPS). Examinations of cell adhesion, proliferation, viability, morphology, alkaline phosphatase activity, and osteogenesis-related gene expression were performed to compare the osteogenesis-related biological behaviors of USCs cultured on the scaffolds. The effect of USC-laden scaffolds on the differentiation of macrophages was tested using ELISA, qRT-PCR, and immunofluorescence staining. Subcutaneous implantations in rats were performed to evaluate the inflammatory response of the USC-laden scaffolds after implantation. The scaffolds loaded with USCs were implanted into a cranial defect model in rats to repair bone defects. Micro-computed tomography (μCT) analyses and histological evaluation were performed to evaluate the bone repair effects. Results GO modification enhanced the mechanical properties of the scaffolds. Scaffolds containing less than 0.5% GO had good biocompatibility and promoted USC proliferation and osteogenesis. The scaffolds loaded with USCs induced the M2-type differentiation and inhibited the M1-type differentiation of macrophages. The USC-laden scaffolds containing 0.1% GO exhibited the best capacity for promoting the M2-type differentiation of macrophages and accelerating bone regeneration and almost bridged the site of the rat cranial defects at 12 weeks after surgery. Conclusions This composite system has the capacity for immunomodulation and the promotion of bone regeneration and shows promising potential for clinical applications of USC-based, tissue-engineered bones. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02634-w.
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Affiliation(s)
- Jiachen Sun
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Lang Li
- Department of Orthopedics, Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, Chengdu, 610041, Sichuan, People's Republic of China
| | - Fei Xing
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Yun Yang
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Min Gong
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, Sichuan, People's Republic of China
| | - Guoming Liu
- Department of Orthopedics, Affiliated Hospital of Qingdao University, Qingdao, 266003, Shangdong, People's Republic of China
| | - Shuang Wu
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Rong Luo
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Xin Duan
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Ming Liu
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China
| | - Min Zou
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, 610017, Sichuan, People's Republic of China.
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Guoxue Lane 37, Chengdu, 610041, Sichuan Province, People's Republic of China.
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14
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Amirifar L, Besanjideh M, Nasiri R, Shamloo A, Nasrollahi F, de Barros NR, Davoodi E, Erdem A, Mahmoodi M, Hosseini V, Montazerian H, Jahangiry J, Darabi MA, Haghniaz R, Dokmeci MR, Annabi N, Ahadian S, Khademhosseini A. Droplet-based microfluidics in biomedical applications. Biofabrication 2021; 14. [PMID: 34781274 DOI: 10.1088/1758-5090/ac39a9] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/15/2021] [Indexed: 11/11/2022]
Abstract
Droplet-based microfluidic systems have been employed to manipulate discrete fluid volumes with immiscible phases. Creating the fluid droplets at microscale has led to a paradigm shift in mixing, sorting, encapsulation, sensing, and designing high throughput devices for biomedical applications. Droplet microfluidics has opened many opportunities in microparticle synthesis, molecular detection, diagnostics, drug delivery, and cell biology. In the present review, we first introduce standard methods for droplet generation (i.e., passive and active methods) and discuss the latest examples of emulsification and particle synthesis approaches enabled by microfluidic platforms. Then, the applications of droplet-based microfluidics in different biomedical applications are detailed. Finally, a general overview of the latest trends along with the perspectives and future potentials in the field are provided.
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Affiliation(s)
- Leyla Amirifar
- Mechanical Engineering, Sharif University of Technology, Tehran, Iran, Tehran, 11365-11155, Iran (the Islamic Republic of)
| | - Mohsen Besanjideh
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Tehran, 11365-11155, Iran (the Islamic Republic of)
| | - Rohollah Nasiri
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Tehran, 11365-11155, Iran (the Islamic Republic of)
| | - Amir Shamloo
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Tehran, 11365-11155, Iran (the Islamic Republic of)
| | | | - Natan Roberto de Barros
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
| | - Elham Davoodi
- Bioengineering, University of California - Los Angeles, Los Angeles, Los Angeles, 90095, UNITED STATES
| | - Ahmet Erdem
- Bioengineering, University of California - Los Angeles, Los Angeles, Los Angeles, 90095, UNITED STATES
| | | | - Vahid Hosseini
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
| | - Hossein Montazerian
- Bioengineering, University of California - Los Angeles, Los Angeles, Los Angeles, 90095, UNITED STATES
| | - Jamileh Jahangiry
- University of California - Los Angeles, Los Angeles, Los Angeles, 90095, UNITED STATES
| | | | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
| | - Mehmet R Dokmeci
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
| | - Nasim Annabi
- Chemical Engineering, UCLA, Los Angeles, Los Angeles, California, 90095, UNITED STATES
| | - Samad Ahadian
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, Los Angeles, 90024, UNITED STATES
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15
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Xu Q, Torres JE, Hakim M, Babiak PM, Pal P, Battistoni CM, Nguyen M, Panitch A, Solorio L, Liu JC. Collagen- and hyaluronic acid-based hydrogels and their biomedical applications. MATERIALS SCIENCE & ENGINEERING. R, REPORTS : A REVIEW JOURNAL 2021; 146:100641. [PMID: 34483486 PMCID: PMC8409465 DOI: 10.1016/j.mser.2021.100641] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogels have been widely investigated in biomedical fields due to their similar physical and biochemical properties to the extracellular matrix (ECM). Collagen and hyaluronic acid (HA) are the main components of the ECM in many tissues. As a result, hydrogels prepared from collagen and HA hold inherent advantages in mimicking the structure and function of the native ECM. Numerous studies have focused on the development of collagen and HA hydrogels and their biomedical applications. In this extensive review, we provide a summary and analysis of the sources, features, and modifications of collagen and HA. Specifically, we highlight the fabrication, properties, and potential biomedical applications as well as promising commercialization of hydrogels based on these two natural polymers.
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Affiliation(s)
- Qinghua Xu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jessica E. Torres
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mazin Hakim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Paulina M Babiak
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Pallabi Pal
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Carly M Battistoni
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Michael Nguyen
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Alyssa Panitch
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Luis Solorio
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
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16
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Bao D, Sun J, Gong M, Shi J, Qin B, Deng K, Liu G, Zeng S, Xiang Z, Fu S. Combination of graphene oxide and platelet-rich plasma improves tendon-bone healing in a rabbit model of supraspinatus tendon reconstruction. Regen Biomater 2021; 8:rbab045. [PMID: 34484806 PMCID: PMC8411035 DOI: 10.1093/rb/rbab045] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/13/2021] [Accepted: 08/01/2021] [Indexed: 02/05/2023] Open
Abstract
The treatment of rotator cuff tear is one of the major challenges for orthopedic surgeons. The key to treatment is the reconstruction of the tendon-bone interface (TBI). Autologous platelet-rich plasma (PRP) is used as a therapeutic agent to accelerate the healing of tendons, as it contains a variety of growth factors and is easy to prepare. Graphene oxide (GO) is known to improve the physical properties of biomaterials and promote tissue repair. In this study, PRP gels containing various concentrations of GO were prepared to promote TBI healing and supraspinatus tendon reconstruction in a rabbit model. The incorporation of GO improved the ultrastructure and mechanical properties of the PRP gels. The gels containing 0.5 mg/ml GO (0.5 GO/PRP) continuously released transforming growth factor-β1 (TGF-β1) and platelet-derived growth factor (PDGF)-AB, and the released TGF-β1 and PDGF-AB were still at high concentrations, ∼1063.451 pg/ml and ∼814.217 pg/ml, respectively, on the 14th day. In vitro assays showed that the 0.5 GO/PRP gels had good biocompatibility and promoted bone marrow mesenchymal stem cells proliferation and osteogenic and chondrogenic differentiation. After 12 weeks of implantation, the magnetic resonance imaging, micro-computed tomography and histological results indicated that the newly regenerated tendons in the 0.5 GO/PRP group had a similar structure to natural tendons. Moreover, the biomechanical results showed that the newly formed tendons in the 0.5 GO/PRP group had better biomechanical properties compared to those in the other groups, and had more stable TBI tissue. Therefore, the combination of PRP and GO has the potential to be a powerful advancement in the treatment of rotator cuff injuries.
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Affiliation(s)
- Dingsu Bao
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China.,Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Jiacheng Sun
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Min Gong
- Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China
| | - Jie Shi
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Bo Qin
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Kai Deng
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Gang Liu
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Shengqiang Zeng
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Shijie Fu
- Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
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17
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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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18
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Wang B, Liu J, Niu D, Wu N, Yun W, Wang W, Zhang K, Li G, Yan S, Xu G, Yin J. Mussel-Inspired Bisphosphonated Injectable Nanocomposite Hydrogels with Adhesive, Self-Healing, and Osteogenic Properties for Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32673-32689. [PMID: 34227792 DOI: 10.1021/acsami.1c06058] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Injectable hydrogels have received much attention because of the advantages of simulation of the natural extracellular matrix, microinvasive implantation, and filling and repairing of complex shape defects. Yet, for bone repair, the current injectable hydrogels have shown significant limitations such as the lack of tissue adhesion, deficiency of self-healing ability, and absence of osteogenic activity. Herein, a strategy to construct mussel-inspired bisphosphonated injectable nanocomposite hydrogels with adhesive, self-healing, and osteogenic properties is developed. The nano-hydroxyapatite/poly(l-glutamic acid)-dextran (nHA/PLGA-Dex) dually cross-linked (DC) injectable hydrogels are fabricated via Schiff base cross-linking and noncovalent nHA-BP chelation. The chelation between bisphosphonate ligands (alendronate sodium, BP) and nHA favors the uniform dispersion of the latter. Moreover, multiple adhesion ligands based on catechol motifs, BP, and aldehyde groups endow the hydrogels with good tissue adhesion. The hydrogels possess excellent biocompatibility and the introduction of BP and nHA both can effectively promote viability, proliferation, migration, and osteogenesis differentiation of MC3T3-E1 cells. The incorporation of BP groups and HA nanoparticles could also facilitate the angiogenic property of endothelial cells. The nHA/PLGA-Dex DC hydrogels exhibited considerable biocompatibility despite the presence of a certain degree of inflammatory response in the early stage. The successful healing of a rat cranial defect further proves the bone regeneration ability of nHA/PLGA-Dex DC injectable hydrogels. The developed tissue adhesive osteogenic injectable nHA/PLGA-Dex hydrogels show significant potential for bone regeneration application.
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Affiliation(s)
- Bo Wang
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Jia Liu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Dongyang Niu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Nianqi Wu
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Wentao Yun
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Weidong Wang
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Kunxi Zhang
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Guifei Li
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Shifeng Yan
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Guohua Xu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Jingbo Yin
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
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19
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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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20
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Zou M, Sun J, Xiang Z. Induction of M2-Type Macrophage Differentiation for Bone Defect Repair via an Interpenetration Network Hydrogel with a GO-Based Controlled Release System. Adv Healthc Mater 2021; 10:e2001502. [PMID: 33464711 DOI: 10.1002/adhm.202001502] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/23/2020] [Indexed: 02/05/2023]
Abstract
Recently, biomaterials with immune-regulating properties have emerged as crucial new platforms for bone tissue engineering. Inducing macrophages to differentiate into M2 subtype can reduce immune inflammatory response and accelerate tissue repair after implantation. An interpenetration network hydrogel is developed utilizing graphene oxide (GO)-carboxymethyl chitosan (CMC)/poly(ethylene glycol) diacrylate (PEGDA), in which two bioactive molecules, interleukin-4 (IL-4) and bone morphogenetic protein-2 (BMP-2), are loaded and released in a controlled manner to induce macrophages to differentiate into M2 type and enhance bone formation. These two factors are initially loaded with GO and then embedded into the CMC/PEGDA hydrogel for sustained release. Results indicate that the hydrogel shows enhanced mechanical stiffness, strength, and stability. The hydrogel loaded with IL-4 and BMP-2 significantly promotes both macrophage M2-type differentiation and bone marrow mesenchymal stem cell osteogenesis differentiation in vitro. Furthermore, in vivo studies show that the implantation of this hydrogel markedly reduces local inflammation while enhancing bone regeneration at 8 weeks post-implantation. In all, the findings suggest that hydrogel loaded with IL-4 and BMP-2 has synergistic effects on bone regeneration. Such an induction and immunomodulation system offers a promising strategy for the development of future bone immune regulation and tissue engineering applications.
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Affiliation(s)
- Min Zou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
- Department of Orthopedics, No. 1 People's Hospital of Chengdu, Chengdu, Sichuan, 610041, P. R. China
| | - Jiachen Sun
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
- Division of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
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21
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Soriente A, Amodio SP, Fasolino I, Raucci MG, Demitri C, Engel E, Ambrosio L. Chitosan/PEGDA based scaffolds as bioinspired materials to control in vitro angiogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 118:111420. [DOI: 10.1016/j.msec.2020.111420] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/05/2020] [Accepted: 08/14/2020] [Indexed: 01/20/2023]
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22
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Graphene oxide-modified 3D acellular cartilage extracellular matrix scaffold for cartilage regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111603. [PMID: 33321647 DOI: 10.1016/j.msec.2020.111603] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/18/2020] [Accepted: 10/03/2020] [Indexed: 02/08/2023]
Abstract
Articular cartilage regeneration is a challenge in orthopedics and tissue engineering. This study prepared a graphene oxide (GO)-modified 3D acellular cartilage extracellular matrix (ACM) scaffold for cartilage repair. Cartilage slices were decellularized using a combination of physical and chemical methods of fabricating ACM particles. GO was crosslinked with the ACM by 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxy succinimide to prepare a composite scaffold. GO modification improved the internal structure and mechanical properties of the scaffold. The GO-modified (2 mg/mL) composite scaffold promoted cell adhesion, cell proliferation, and chondrogenic differentiation in vitro. Experiments on subcutaneous implantation in rats demonstrated that the composite scaffold had good biocompatibility and mild inflammatory response. After 12 weeks of implantation, the composite scaffold loaded with bone marrow mesenchymal stem cells completely bridged the cartilage defects in the rabbit knee with hyaline cartilage. Results indicated that the GO-modified 3D ACM composite scaffold can provide a powerful platform for cartilage tissue engineering and articular cartilage injury treatment.
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23
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Zhang B, Li J, He L, Huang H, Weng J. Bio-surface coated titanium scaffolds with cancellous bone-like biomimetic structure for enhanced bone tissue regeneration. Acta Biomater 2020; 114:431-448. [PMID: 32682055 DOI: 10.1016/j.actbio.2020.07.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/08/2020] [Accepted: 07/09/2020] [Indexed: 02/07/2023]
Abstract
In view of the fact that titanium (Ti)-based implants still face the problem of loosening and failure of the implants caused by the slow biological response, the low osseointegration rate and the implant bacterial infection in clinical application, we designed a cancellous bone-like biomimetic Ti scaffold using the template accumulated by sugar spheres as a pore-forming agent. And based on a modified surface mineralization process and mussel-like adhesion mechanism, a silicon-doped calcium phosphate composite coating (Van-pBNPs/pep@pSiCaP) with Vancomycin (Van)-loaded polydopamine (pDA)-modified albumin nanoparticles (Van-pBNPs) and cell adhesion peptides (GFOGER) was constructed on the surface of Ti scaffold for mimicking the extracellular matrix (ECM) microenvironment of natural bone matrix to induce greater tissue regeneration. The in vitro study demonstrated that this porous Ti scaffold with functional bio-surface could distinctly facilitate cell early adhesion and spreading, and activate the expression of α2β1 integrin receptor on the cell membrane through promoting the formation of focal adhesions (FAs) in bone marrow stromal cells (BMSCs), thus mediating greater osteogenic cell differentiation. And it could also effectively inhibit the adhesion and growth of Staphylococcus epidermidis, exhibiting good antibacterial properties. Moreover, the Van-pBNPs/pep@pSiCaP-Ti scaffolds showed enhanced in vivo bone-forming ability due to the contributions of bioactive chemical components and the natural cancellous bone-like macrostructure. This work offers a promising structural and functional bio-inspired strategy for designing metal implants with desirable ability of osteoinduction synergistically with antibacterial efficacy for promoting bone regeneration and infection prevention simultaneously. STATEMENT OF SIGNIFICANCE: This manuscript describes a new method for making porous Ti scaffolds with a natural cancellous bone-like structure. Besides, a functional bio-surface was constructed on the bionic structure, mimicking some of the functions of the collagen-rich organic matrix and inorganic CaP nanocrystallites of native ECM of bone in chemical components and biological activities. This interconnected inter-pore opening structure encouraged the migration of cells among open macro-pores within the scaffold. In addition, the functionalized surface not only improved early cell adhesion, spreading, stimulated greater osteogenic differentiation of bone-forming cells, but also endowed the scaffold with excellent antibacterial effect. The biomimetic metal implant with multiple biomedical functions designed in this study has a great clinical application potential. This study represents a feasible method for the preparation of biomimetic structure of metal implants and the improvement of their surface biological activity.
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Affiliation(s)
- Bingjun Zhang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, P. R. China; State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Jia Li
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, P. R. China
| | - Lei He
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, P. R. China
| | - Hao Huang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, P. R. China
| | - Jie Weng
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, P. R. China.
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24
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Zou M, Sun J, Xiang Z. [Early effect of graphene oxide-carboxymethyl chitosan hydrogel loaded with interleukin 4 and bone morphogenetic protein 2 on bone immunity and repair]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:1044-1051. [PMID: 32794677 DOI: 10.7507/1002-1892.201911068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective To investigate the effect of graphene oxide (GO)-carboxymethyl chitosan (CMC) hydrogel loaded with interleukin 4 (IL-4) and bone morphogenetic protein 2 (BMP-2) on macrophages M2 type differentiation and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). Methods GO solution was mixed with CMC, then the phosphate buffered saline (PBS), IL-4, BMP-2, or IL-4+BMP-2 were added to prepare different GO-CMC hydrogel scaffolds with or without different cytokines under crosslinking agents. The characteristics of pure GO-CMC hydrogel were characterized by gross observation, scanning electron microscope (SEM), and Fourier transform infrared spectroscopy (FTIR), and the CMC hydrogel was used as control. The sustained release of GO-CMC hydrogels with different cytokines was also tested. Macrophages were isolated and cultured from female Sprague Dawley rats aged 4-5 weeks, and then cultured with GO-CMC hydrogels with and without different cytokines, respectively. CD206 immunofluorescence staining was used to detect the differentiation of macrophages after 24 hours. The 3rd generation of rats BMSCs were cultured with GO-CMC hydrogels with and without different cytokines respectively for osteogenic induction. The early osteogenesis was observed by alkaline phosphatase (ALP) staining after 10 days, and the late osteogenesis was observed by alizarin red staining after 21 days. Results Generally, GO-CMC hydrogel was brown and translucent. SEM showed that the pore diameter and wall thickness of GO-CMC hydrogel were similar to that of CMC hydrogel, but the inner wall roughness increased. FTIR test showed that CMC polymerized to form hydrogel. In vitro, the sustained release experiments showed that the properties of GO-CMC hydrogels loaded with different cytokines were similar. CD206 immunofluorescence detection showed that GO-CMC hydrogels could induce macrophages differentiation into M2-type. ALP and alizarin red staining showed that GO-CMC hydrogels could induce BMSCs osteogenic differentiation, in which GO-CMC hydrogel loaded with IL-4+BMP-2 showed the most significant effect ( P<0.05). Conclusion The GO-CMC hydrogel loaded with IL-4 and BMP-2 can induce macrophages differentiation into M2-type and enhance the ability of BMSCs with osteogenic differentiation in vitro, which provide a new strategy for bone defect repair and immune regulation.
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Affiliation(s)
- Min Zou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;Department of Orthopedics, Chengdu First People's Hospital, Chengdu Sichuan, 610016, P.R.China
| | - Jiachen Sun
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
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25
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Godoy-Gallardo M, Portolés-Gil N, López-Periago AM, Domingo C, Hosta-Rigau L. Multi-layered polydopamine coatings for the immobilization of growth factors onto highly-interconnected and bimodal PCL/HA-based scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 117:111245. [PMID: 32919623 DOI: 10.1016/j.msec.2020.111245] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/05/2020] [Accepted: 06/27/2020] [Indexed: 11/28/2022]
Abstract
For bone tissue engineering applications, scaffolds that mimic the porous structure of the extracellular matrix are highly desirable. Herein, we employ a PCL/HA-based scaffold with a double-scaled architecture of small pores coupled to larger ones. To improve the osteoinductivity of the scaffold, we incorporate two different growth factors via polydopamine (PDA) coating. As a first step, we identify the maximum amount of PDA that can be deposited onto the scaffold. Next, to allow for the deposition of a second PDA layer which, in turn, will allow to increase the loading of growth factors, we incorporate a dithiol connecting layer. The thiol groups covalently react with the first PDA coating through Michael addition while also allowing for the incorporation of a second PDA layer. We load the first and second PDA layers with bone morphogenic protein-2 (BMP2) and vascular endothelial growth factor (VEGF), respectively, and evaluate the osteogenic potential of the functionalised scaffold by cell viability, alkaline phosphatase activity and the expression of three different osteogenesis-related genes of pre-seeded human mesenchymal stem cells. Through these studies, we demonstrate that the osteogenic activity of the scaffolds loaded with both BMP2 and VEGF is greater than scaffolds loaded only with BMP2. Importantly, the osteoinductivity is higher when the scaffolds are loaded with BMP2 and VEGF in two different PDA layers. Taken together, these results indicate that the as-prepared scaffolds could be a useful construct for bone-tissue applications.
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Affiliation(s)
- Maria Godoy-Gallardo
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, Produktionstorvet, Building 423, 2800 Kgs. Lyngby, Denmark
| | - Núria Portolés-Gil
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain
| | - Ana M López-Periago
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain
| | - Concepción Domingo
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus de la UAB s/n, 08193 Bellaterra, Spain
| | - Leticia Hosta-Rigau
- Department of Health Technology, Centre for Nanomedicine and Theranostics, DTU Health Tech, Technical University of Denmark, Produktionstorvet, Building 423, 2800 Kgs. Lyngby, Denmark.
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26
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Sun J, Lyu J, Xing F, Chen R, Duan X, Xiang Z. A biphasic, demineralized, and Decellularized allograft bone‐hydrogel scaffold with a cell‐based
BMP
‐7 delivery system for osteochondral defect regeneration. J Biomed Mater Res A 2020; 108:1909-1921. [PMID: 32323455 DOI: 10.1002/jbm.a.36954] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 03/18/2020] [Accepted: 03/28/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Jiachen Sun
- Department of Orthopedics, West China HospitalSichuan University Chengdu P. R. China
| | - Jingtong Lyu
- Department of Orthopedics, Southwest HospitalThird Military Medical University Chongqing P. R. China
| | - Fei Xing
- Department of Orthopedics, West China HospitalSichuan University Chengdu P. R. China
| | - Ran Chen
- Department of Orthopedics, West China HospitalSichuan University Chengdu P. R. China
| | - Xin Duan
- Department of Orthopedics, West China HospitalSichuan University Chengdu P. R. China
| | - Zhou Xiang
- Department of Orthopedics, West China HospitalSichuan University Chengdu P. R. China
- Division of Stem Cell and Tissue Engineering, State Key Laboratory of BiotherapyWest China Hospital, Sichuan University Chengdu P. R. China
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27
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Kim MG, Kang TW, Park JY, Park SH, Ji YB, Ju HJ, Kwon DY, Kim YS, Kim SW, Lee B, Choi HS, Lee HB, Kim JH, Lee BY, Min BH, Kim MS. An injectable cationic hydrogel electrostatically interacted with BMP2 to enhance in vivo osteogenic differentiation of human turbinate mesenchymal stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109853. [PMID: 31349513 DOI: 10.1016/j.msec.2019.109853] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 04/29/2019] [Accepted: 06/01/2019] [Indexed: 01/06/2023]
Abstract
We have designed and characterized an injectable, electrostatically bonded, in situ-forming hydrogel system consisting of a cationic polyelectrolyte [(methoxy)polyethylene glycol-b-(poly(ε-caprolactone)-ran-poly(L-lactic acid)] (MP) copolymer derivatized with an amine group (MP-NH2) and anionic BMP2. To the best of our knowledge, there have been hardly any studies that have investigated electrostatically bonded, in situ-forming hydrogel systems consisting of MP-NH2 and BMP2, with respect to how they promote in vivo osteogenic differentiation of human turbinate mesenchymal stem cells (hTMSCs). Injectable formulations almost immediately formed an electrostatically loaded hydrogel depot containing BMP2, upon injection into mice. The hydrogel features and stability of BMP2 inside the hydrogel were significantly affected by the electrostatic attraction between BMP2 and MP-NH2. Additionally, the time BMP2 spent inside the hydrogel depot was prolonged in vivo, as evidenced by in vivo near-infrared fluorescence imaging. Biocompatibility was demonstrated by the fact that hTMSCs survived in vivo, even after 8 weeks and even though relatively few macrophages were in the hydrogel depot. The osteogenic capacity of the electrostatically loaded hydrogel implants containing BMP2 was higher than that of a hydrogel that was simply loaded with BMP2, as evidenced by Alizarin Red S, von Kossa, and hematoxylin and eosin staining as well as osteonectin, osteopontin, osteocalcin, and type 1α collagen mRNA expression. The results confirmed that our injectable, in situ-forming hydrogel system, electrostatically loaded with BMP2, can enhance in vivo osteogenic differentiation of hTMSCs.
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Affiliation(s)
- Mal Geum Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Tae Woong Kang
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Joon Yeong Park
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Seung Hun Park
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Yun Bae Ji
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hyeon Jin Ju
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Doo Yeon Kwon
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Young Sik Kim
- The Institute of Biomaterial and Medical Engineering, Cellumed Co., Ltd., Seoul 08589, Republic of Korea
| | - Sung Won Kim
- Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul 06591, Republic of Korea
| | - Bong Lee
- Department of Polymer Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Hak Soo Choi
- Gordon Center for Medical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Hai Bang Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jae Ho Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Bun Yeoul Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Byoung Hyun Min
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Moon Suk Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea.
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28
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Li X, Zhao H. Mechanical and degradation properties of small-diameter vascular grafts in an in vitro biomimetic environment. J Biomater Appl 2019; 33:1017-1034. [DOI: 10.1177/0885328218820751] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Small-diameter vascular grafts may fail after implantation due to various reasons from mechanical and biological aspects. In order to evaluate the mechanical durability of small-diameter vascular grafts after implantation, an artificial vascular biomimetic environment that can simulate body temperature, the liquid environment outside the vessel, and continuous blood flow and pulsatile pressure was constructed. This device can be used as a “pre-test” prior to animal experiments to explore the changes of mechanical and degradation properties in the long-term in vivo environment. At the same time, braided tube-reinforced silk fibroin/poly (l-lactic acid-co-ε-caprolactone) small-diameter vascular grafts were fabricated and tested under the biomimetic environment. Mechanical changes, including tensile properties, suture retention strength, compliance, and degradation behavior of the braided tube-reinforced poly (l-lactic acid-co-ε-caprolactone)/silk fibroin small-diameter vascular grafts were explored over various periods of time in the biomimetic environment. The results shown that under a period of testing in the in vitro biomimetic environment, the comprehensive mechanical properties (including tensile properties, suture retention strength, estimated-bursting pressure, and compliance) of small-diameter vascular grafts exhibited varying degrees of changes but that there was no obvious degradation behavior in the short term.
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Affiliation(s)
- Xiangshun Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China
| | - Huijing Zhao
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China
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29
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Quan C, Zhang Z, Liang P, Zheng J, Wang J, Hou Y, Tang Q. Bioactive gel self-assembled from phosphorylate biomimetic peptide: A potential scaffold for enhanced osteogenesis. Int J Biol Macromol 2018; 121:1054-1060. [PMID: 30359655 DOI: 10.1016/j.ijbiomac.2018.10.148] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/21/2018] [Accepted: 10/21/2018] [Indexed: 01/06/2023]
Abstract
Bone morphogenetic protein-2 biomimetic peptide (BMPBP) is a potent osteoinductive cytokine and plays a critical role during bone regeneration. Efforts to prepare hydrogels with surface modification or physical absorption of bioactive molecules do not provide sufficient bioactivity to meet the requirements of clinical application. The goal of this study was to form a three-dimensional hydrogel comprised of BMP-2 core sequence oligopeptide, phosphoserine, a synthetic cell adhesion peptide (RGDS), and polyaspartic acid to synergistically promote osteogenesis. Experiments performed in vitro revealed that the peptide gel was conducive to adhesion and proliferation of rat marrow mesenchymal stem cells (rMSCs). In addition, RT-PCR analysis indicated that rMSCs allowed better expression of osteogenesis-related genes such as BMP-2, runt-related transcription factor 2 (RUNX2), alkaline phosphatase (ALP), osteocalcin (OCN), and osteopontin (OPN). Use of the rat cranial bone defects model with micro-CT 3D reconstruction showed that bone regeneration patterns occurred from one side edge toward the center of the area implanted with the prepared biomimetic peptide hydrogels, demonstrating significantly accelerated bone regeneration. This work will provide a basis to explore the further application potential of this bioactive scaffold.
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Affiliation(s)
- Changyun Quan
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China.
| | - Zhaoqing Zhang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Peiqing Liang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Junjiong Zheng
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Jiping Wang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Yulin Hou
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Qiyan Tang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, PR China
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30
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Jia Z, Zhou W, Yan J, Xiong P, Guo H, Cheng Y, Zheng Y. Constructing Multilayer Silk Protein/Nanosilver Biofunctionalized Hierarchically Structured 3D Printed Ti6Al4 V Scaffold for Repair of Infective Bone Defects. ACS Biomater Sci Eng 2018; 5:244-261. [DOI: 10.1021/acsbiomaterials.8b00857] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Zhaojun Jia
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
- Department of Orthopaedic and Traumatology, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China
| | - Wenhao Zhou
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Jianglong Yan
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Pan Xiong
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Hui Guo
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Yan Cheng
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Yufeng Zheng
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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31
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Yan S, Feng L, Zhu Q, Yang W, Lan Y, Li D, Liu Y, Xue W, Guo R, Wu G. Controlled Release of BMP-2 from a Heparin-Conjugated Strontium-Substituted Nanohydroxyapatite/Silk Fibroin Scaffold for Bone Regeneration. ACS Biomater Sci Eng 2018; 4:3291-3303. [DOI: 10.1021/acsbiomaterials.8b00459] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shina Yan
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Longbao Feng
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Qiyu Zhu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Wei Yang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Yong Lan
- Beogene Biotech (Guangzhou) Co., Ltd., Guangzhou 510663, China
| | - Dan Li
- Beogene Biotech (Guangzhou) Co., Ltd., Guangzhou 510663, China
| | - Yu Liu
- Guangzhou Chuangseed Biomedical Materials Co., Ltd., Guangzhou 510663, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Rui Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Gang Wu
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije University Amsterdam, Gustav mahlerlaan 3004, 1081 LA Amsterdam, the Netherlands
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