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Negi D, Bhavya K, Pal D, Singh Y. Acemannan coated, cobalt-doped biphasic calcium phosphate nanoparticles for immunomodulation regulated bone regeneration. Biomater Sci 2024; 12:3672-3685. [PMID: 38864476 DOI: 10.1039/d4bm00482e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
Biomaterials are used as scaffolds in bone regeneration to facilitate the restoration of bone tissues. The local immune microenvironment affects bone repair but the role of immune response in biomaterial-facilitated osteogenesis has been largely overlooked and it presents a major knowledge gap in the field. Nanomaterials that can modulate M1 to M2 macrophage polarization and, thus, promote bone repair are known. This study investigates a novel approach to accelerate bone healing by using acemannan coated, cobalt-doped biphasic calcium phosphate nanoparticles to promote osteogenesis and modulate macrophage polarization to provide a prohealing microenvironment for bone regeneration. Different concentrations of cobalt were doped in biphasic calcium phosphate nanoparticles, which were further coated with acemannan polymer and characterized. The nanoparticles showed >90% cell viability and enhanced cell proliferation along with osteogenic differentiation as demonstrated by the enhanced alkaline phosphatase activity and osteogenic calcium deposition. The morphology of MC3T3-E1 cells remained unchanged even after treatment with nanoparticles. Acemannan coated nanoparticles were also able to decrease the expression of M1 markers, iNOS, and CD68 and enhance the expression of M2 markers, CD206, CD163, and Arg-1 as indicated by RT-qPCR, flow cytometry, and ICC studies. The findings show that acemannan coated nanoparticles can create a supportive immune milieu by inducing and promoting the release of osteogenic markers, and by causing a reduction in inflammatory markers, thus helping in efficient bone regeneration. As per our knowledge, this is the first study showing the combined effect of acemannan and cobalt for bone regeneration using immunomodulation. The work presents a novel approach for enhancing osteogenesis and macrophage polarization, thus, offering a potent strategy for effective bone regeneration.
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Affiliation(s)
- Deepa Negi
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar-140 001, Punjab, India.
| | - Kumari Bhavya
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar-140 001, Punjab, India.
| | - Durba Pal
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar-140 001, Punjab, India.
| | - Yashveer Singh
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar-140 001, Punjab, India.
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar-140 001, Punjab, India
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Anjum S, Wang Y, Xin Y, Li X, Li T, Zhang H, Quan L, Li Y, Arya DK, Rajinikanth P, Ao Q. Bioinspired core-shell nanofiber drug-delivery system modulates osteogenic and osteoclast activity for bone tissue regeneration. Mater Today Bio 2024; 26:101088. [PMID: 38779556 PMCID: PMC11109009 DOI: 10.1016/j.mtbio.2024.101088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Osteogenic-osteoclast coupling processes play a crucial role in bone regeneration. Recently, strategies that focus on multi-functionalized implant surfaces to enhance the healing of bone defects through the synergistic regulation of osteogenesis and osteoclastogenesis is still a challenging task in the field of bone tissue engineering. The aim of this study was to create a dual-drug release-based core-shell nanofibers with the intent of achieving a time-controlled release to facilitate bone regeneration. We fabricated core-shell P/PCL nanofibers using coaxial electrospinning, where alendronate (ALN) was incorporated into the core layer and hydroxyapatite (HA) into shell. The surface of the nanofiber construct was further modified with mussel-derived polydopamine (PDA) to induce hydrophilicity and enhance cell interactions. Surface characterizations confirmed the successful synthesis of PDA@PHA/PCL-ALN nanofibers endowed with excellent mechanical strength (20.02 ± 0.13 MPa) and hydrophilicity (22.56°), as well as the sustained sequential release of ALN and Ca ions. In vitro experiments demonstrated that PDA-functionalized core-shell PHA/PCL-ALN scaffolds possessed excellent cytocompatibility, enhanced cell adhesion and proliferation, alkaline phosphatase activity and osteogenesis-related genes. In addition to osteogenesis, the engineered scaffolds also significantly reduced osteoclastogenesis, such as tartrate-resistant acid phosphatase activity and osteoclastogenesis-related gene expression. After 12-week of implantation, it was observed that PDA@PHA/PCL-ALN nanofiber scaffolds, in a rat cranial defect model, significantly promoted bone repair and regeneration. Microcomputed tomography, histological examination, and immunohistochemical analysis collectively demonstrated that the PDA-functionalized core-shell PHA/PCL-ALN scaffolds exhibited exceptional osteogenesis-inducing and osteoclastogenesis-inhibiting effects. Finally, it may be concluded from our results that the bio-inspired surface-functionalized multifunctional, biomimetic and controlled release core-shell nanofiber provides a promising strategy to facilitate bone healing.
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Affiliation(s)
- Shabnam Anjum
- Department of Tissue Engineering, School of Intelligent Medicine, China Medical University, Shenyang, Liaoning, 110122, China
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Yulin Wang
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Yuan Xin
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Xiao Li
- Department of Tissue Engineering, School of Intelligent Medicine, China Medical University, Shenyang, Liaoning, 110122, China
| | - Ting Li
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hengtong Zhang
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Liang Quan
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Ya Li
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Dilip Kumar Arya
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - P.S. Rajinikanth
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - Qiang Ao
- Department of Tissue Engineering, School of Intelligent Medicine, China Medical University, Shenyang, Liaoning, 110122, China
- NMPA Key Laboratory for Quality Research and Control of Tissue Regenerative Biomaterial & Institute of Regulatory Science for Medical Device & National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu, Sichuan, 610064, China
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Asadi Tokmedash M, Min J. Designer Micro-/Nanocrumpled MXene Multilayer Coatings Accelerate Osteogenesis and Regulate Macrophage Polarization. ACS APPLIED MATERIALS & INTERFACES 2024; 16:21415-21426. [PMID: 38445580 DOI: 10.1021/acsami.3c18158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Effective tissue regeneration and immune responses are essential for the success of biomaterial implantation. Although the interaction between synthetic materials and biological systems is well-recognized, the role of surface topographical cues in regulating the local osteoimmune microenvironment─specifically, their impact on host tissue and immune cells, and their dynamic interactions─remains underexplored. This study addresses this gap by investigating the impact of surface topography on osteogenesis and immunomodulation. We fabricated MXene/hydroxyapatite (HAP)-coated surfaces with controlled 2.5D nano-, submicro-, and microscale topographical patterns using our custom bottom-up patterning method. These engineered surfaces were employed to assess the behavior of osteoblast precursor cells and macrophage polarization. Our results demonstrate that MXene/HAP-coated surfaces with microscale crumpled topography significantly influence osteogenic activity and macrophage polarization: these surfaces notably enhanced osteoblast precursor cell spreading, proliferation, and differentiation and facilitated a shift in macrophages toward an anti-inflammatory, prohealing M2 phenotype. The observed cell responses indicate that the physical cues from the crumpled topographies, combined with the chemical cues from the MXene/HAP coatings, synergistically create a favorable osteoimmune microenvironment. This study presents the first evidence of employing MXene/HAP-multilayer coated surfaces with finely crumpled topography to concurrently facilitate osteogenesis and immunomodulation for improved implant-to-tissue integration. The tunable topographic patterns of these coatings coupled with a facile and scalable fabrication process make them widely applicable for various biomedical purposes. Our results highlight the potential of these multilayer coatings with controlled topography to improve the in vivo performance and fate of implants by modulating the host response at the material interface.
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Affiliation(s)
- Mohammad Asadi Tokmedash
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Jouha Min
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, Michigan 48109, United States
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Chen C, Xiong L, Cui Y, Wang C. Preparation, Air Filtration Performance of a Fluorinated Polyimide/Polyacrylonitrile Nanofibrous Membrane by Electrospinning. Polymers (Basel) 2024; 16:1240. [PMID: 38732709 PMCID: PMC11085581 DOI: 10.3390/polym16091240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 04/16/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
This paper reports the successful fabrication of a new nanofibrous membrane, F-PI/PAN, through electrospinning of polyacrylonitrile (PAN) and fluorinated polyimide (F-PI). The nanofibrous membrane exhibits comprehensive properties for high-temperature filtration and robust PM2.5 (particulate matter with an aerodynamic equivalent diameter of 2.5 microns or less) removal. The introduction of F enhances the hydrophobicity of the PI. The relationship between the hydrophobic performance and the filtration performance of particles is investigated. The chemical group of the composite membrane was demonstrated using FITR, while the surface morphology was investigated using field emission scanning electron microscopy. The TGA results indicated good thermal stability at 300 °C. Various ratios of F-PI membranes were prepared to characterize the change in properties, with the optimal mass ratio of F-PI being 20 wt%. As the proportion of F-PI increases, its mechanical and filtration efficiency properties and hydrophobicity become stronger. The contact angle reaches its maximum of 128 ± 5.2° when PAN:F-PI = 6:4. Meanwhile, when PAN:F-PI = 8:2, the filtration efficiency reaches 99.4 ± 0.3%, and the elongation at break can reach 76%. The fracture strength can also reach 7.1 MPa, 1.63 times that of the pure PAN membrane.
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Affiliation(s)
- Chen Chen
- School of Materials Science and Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
- Key Laboratory of High Performance Fibers & Products, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Lulu Xiong
- Shanghai Dajue Packaging Products Co., Shanghai 201620, China
| | - Yahui Cui
- Energy Bureau of Xiangyuan County, Changzhi 046200, China
| | - Chaosheng Wang
- Key Laboratory of High Performance Fibers & Products, Ministry of Education, Donghua University, Shanghai 201620, China
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Dai Y, Xie Q, Zhang Y, Sun Y, Zhu S, Wang C, Tan Y, Gou X. Neoteric Semiembedded β-Tricalcium Phosphate Promotes Osteogenic Differentiation of Mesenchymal Stem Cells under Cyclic Stretch. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8289-8300. [PMID: 38329794 DOI: 10.1021/acsami.3c15090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
β-Tricalcium phosphate (β-TCP) is a bioactive material for bone regeneration, but its brittleness limits its use as a standalone scaffold. Therefore, continuous efforts are necessary to effectively integrate β-TCP into polymers, facilitating a sturdy ion exchange for cell regulation. Herein, a novel semiembedded technique was utilized to anchor β-TCP nanoparticles onto the surface of the elastic polymer, followed by hydrophilic modification with the polymerization of dopamine. Cell adhesion and osteogenic differentiation of mesenchymal stem cells (MSCs) under static and dynamic uniaxial cyclic stretching conditions were investigated. The results showed that the new strategy was effective in promoting cell adhesion, proliferation, and osteogenic induction by the sustained release of Ca2+ in the vicinity and creating a reasonable roughness. Specifically, released Ca2+ from β-TCP could activate the calcium signaling pathway, which further upregulated calmodulin and calcium/calmodulin-dependent protein kinase II genes in MSCs. Meanwhile, the roughness of the membrane and the uniaxial cyclic stretching activated the PIEZO1 signaling pathway. Chemical and mechanical stimulation promotes osteogenic differentiation and increases the expression of related genes 2-8-fold. These findings demonstrated that the neoteric semiembedded structure was a promising strategy in controlling both chemical and mechanical factors of biomaterials for cell regulation.
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Affiliation(s)
- Yujie Dai
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Qingyun Xie
- Department of Orthopedics, General Hospital of Western Theater Command, Chengdu 610031, China
| | - Yimeng Zhang
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Yiwan Sun
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Shaomei Zhu
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Chongyu Wang
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Youhua Tan
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518000, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Xue Gou
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, P.R. China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
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Madiwal V, Khairnar B, Rajwade J. Enhanced antibacterial activity and superior biocompatibility of cobalt-deposited titanium discs for possible use in implant dentistry. iScience 2024; 27:108827. [PMID: 38303692 PMCID: PMC10831949 DOI: 10.1016/j.isci.2024.108827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/08/2023] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
The clinical success of implants depends on rapid osseointegration, and new materials are being developed considering the increasing demand. Considering cobalt (Co) antibacterial characteristics, we developed Co-deposited titanium (Ti) using direct current (DC) sputtering and investigated it as a new material for implant dentistry. The material was characterized using atomic absorption spectroscopy, scanning electron microscopy-energy dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy. The material's surface topography, roughness, surface wettability, and hardness were also analyzed. The Co thin film (Ti-Co15) showed excellent antibacterial effects against microbes implicated in peri-implantitis. Furthermore, Ti-Co15 was compatible and favored the attachment and spreading of MG-63 cells. The alkaline phosphatase and calcium mineralization activities of MG-63 cells cultured on Ti-Co15 remained unaltered compared to Ti. These data correlated well with the time-dependent expression of ALP, RUNX-2, and BMP-2 genes involved in osteogenesis. The results demonstrate that Co-deposited Ti could be a promising material in implant dentistry.
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Affiliation(s)
- Vaibhav Madiwal
- Nanobioscience Group, Agharkar Research Institute, G. G. Agarkar Road, Pune, Maharashtra 411 004, India
- Savitribai Phule Pune University, Homi Bhabha Road, Pune, Maharashtra 411 007, India
| | - Bhushan Khairnar
- Nanobioscience Group, Agharkar Research Institute, G. G. Agarkar Road, Pune, Maharashtra 411 004, India
- Savitribai Phule Pune University, Homi Bhabha Road, Pune, Maharashtra 411 007, India
| | - Jyutika Rajwade
- Nanobioscience Group, Agharkar Research Institute, G. G. Agarkar Road, Pune, Maharashtra 411 004, India
- Savitribai Phule Pune University, Homi Bhabha Road, Pune, Maharashtra 411 007, India
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Zhu Y, Li Y, Zhou X, Li H, Guo M, Zhang P. Glucose microenvironment sensitive degradation of arginine modified calcium sulfate reinforced poly(lactide- co-glycolide) composite scaffolds. J Mater Chem B 2024; 12:508-524. [PMID: 38108579 DOI: 10.1039/d3tb01595e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Poly(lactide-co-glycolide) (PLGA) and calcium sulfate composites are promising biodegradable biomaterials but are still challenging to use in people with high levels of blood glucose or diabetes. To date, the influence of glucose on their degradation has not yet been elucidated and thus calls for more research attention. Herein, a novel calcium sulfate whisker with L-arginine was used to effectively tune its crystal morphology and was employed as a reinforced phase to construct the PLGA-based composite scaffolds (ArgCSH/PLGA) with a sleeve porous structure. ArgCSH/PLGA showed excellent elastic modulus and strength in the compression and bending models. Moreover, an in vitro immersion test showed that ArgCSH/PLGA possessed degradation and redeposition behaviors sensitive to glucose concentration, and the adsorbed Arg played a crucial role in the degradation process. The subsequent cell functional evaluation showed that ArgCSH could effectively protect cells from damage caused by AGEs and promote osteogenic differentiation. The corresponding degradation products of ArgCSH/PLGA displayed the ability to regulate osteoblast bone differentiation and accelerate matrix mineralization. These findings provide new insights into the interaction between biomaterials and the physiological environment, which may be useful in expanding the targeted choice of efficient bone graft biodegradable materials for diabetic osteoporosis.
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Affiliation(s)
- Yongzhan Zhu
- 8th Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, P. R. China.
| | - Yinghao Li
- 8th Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, P. R. China.
| | - Xiaosong Zhou
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Haoxuan Li
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, N. 126 Xiantai Street, Changchun 130033, Jilin, P. R. China
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
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Zhao Y, Zhong W. Recent Progress in Advanced Polyester Elastomers for Tissue Engineering and Bioelectronics. Molecules 2023; 28:8025. [PMID: 38138515 PMCID: PMC10745526 DOI: 10.3390/molecules28248025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Polyester elastomers are highly flexible and elastic materials that have demonstrated considerable potential in various biomedical applications including cardiac, vascular, neural, and bone tissue engineering and bioelectronics. Polyesters are desirable candidates for future commercial implants due to their biocompatibility, biodegradability, tunable mechanical properties, and facile synthesis and fabrication methods. The incorporation of bioactive components further improves the therapeutic effects of polyester elastomers in biomedical applications. In this review, novel structural modification methods that contribute to outstanding mechanical behaviors of polyester elastomers are discussed. Recent advances in the application of polyester elastomers in tissue engineering and bioelectronics are outlined and analyzed. A prospective of the future research and development on polyester elastomers is also provided.
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Affiliation(s)
- Yawei Zhao
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Wen Zhong
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
- Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Shi X, Wang Z, Guo M, Wang Y, Bi Z, Li D, Zhang P, Liu J. PRP coating on different modified surfaces promoting the osteointegration of polyetheretherketone implant. Front Bioeng Biotechnol 2023; 11:1283526. [PMID: 38026857 PMCID: PMC10655129 DOI: 10.3389/fbioe.2023.1283526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction: Polyetheretherketone (PEEK) material implants have been applied more and more clinically recently. In order to increase the osteogenic activity of PEEK material, the microstructure change of the material surface and the construction of functional microcoatings have become a hot research topic. This study investigated the ability of PEEK surfaces modified by different methods to carry Platelet-rich plasma (PRP) and the osteogenic ability of different PEEK microstructures after carrying PRP in vivo/in vitro. Methods: In this study, PEEK surfaces were modified by sulfuric acid, gaseous sulfur trioxide and sandpaper. Next, PRP from SD rats was prepared and incubated on PEEK material with different surface microstructures. Lactate dehydrogenase test, scanning electron microscope and Elisa assay was used to evaluate adhesion efficiency of PRP. Then in vitro tests such as CCK-8, ALP staining, ARS staining and RT-qPCR et al were used to further evaluate osteogenesis ability of the PRP coating on PEEK surface. Finally, The tibia defects of SD rats were established, and the new bone was evaluated by Micro-CT, HE staining, and immunofluorescence staining. Results: The sandpaper-polished PEEK with the strongest PRP carrying capacity showed the best osteogenesis. Our study found that the modified PEEK surface with PRP coating has excellent osteogenic ability and provided the basis for the interface selection of PRP for the further application of PEEK materials. Discussion: Among the three PEEK modified surfaces, due to the most PRP carrying and the strongest osteogenic ability in vitro/vivo, the frosted surface was considered to be the most suitable surface for the preparation of PRP coating.
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Affiliation(s)
- Xiaotong Shi
- Department of Orthopedic Surgery, The First Hospital of Jilin Uniersity, Changchun, China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Yu Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Zhiguo Bi
- Department of Orthopedic Surgery, The First Hospital of Jilin Uniersity, Changchun, China
| | - Dongsong Li
- Department of Orthopedic Surgery, The First Hospital of Jilin Uniersity, Changchun, China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Jianguo Liu
- Department of Orthopedic Surgery, The First Hospital of Jilin Uniersity, Changchun, China
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10
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Ma W, Yang M, Wu C, Wang S, Du M. Bioinspired self-healing injectable nanocomposite hydrogels based on oxidized dextran and gelatin for growth-factor-free bone regeneration. Int J Biol Macromol 2023; 251:126145. [PMID: 37544566 DOI: 10.1016/j.ijbiomac.2023.126145] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/27/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Hydrogels with great biocompatibility, biodegradability, and mechanical properties, combined with osteoconductivity, osteoinductivity, and osteointegration as biomaterials for bone regeneration without adding exogenous growth factors and cells are highly appealing but challenging. Here, inspired by organic-inorganic analogues of natural bone tissue and the adhesion chemistry of mussels, nanocomposite hydrogels with self-healing, injectable, adhesive, antioxidant, and osteoinductive properties (termed GO-PHA-CPs) were constructed by Schiff base cross-linking between dopamine-modified gelatin (Gel-DA) and oxidized dextran (ODex). Furthermore, the hydrogel network was enhanced by the introduction of polydopamine-functionalized nanohydroxyapatite (PHA) by improving the interfacial compatibility between the rigid inorganic particles and the flexible hydrogel matrix. Bioactive cod peptides (CPs) with osteogenic activity from Atlantic cod were further incorporated into the nanocomposite hydrogel. As a result, the multicomponent nanocomposite hydrogel favored the adhesion and spreading of MC3T3-E1 cells. The increased ALP activity suggested that GO-PHA-CPs hydrogels contributed to the osteogenic differentiation of MC3T3-E1 cells. The suitability of GO-PHA-CPs hydrogels for enhancing bone regeneration in vivo was further confirmed by the rat femoral defect model. Our results indicate that the multifunctional GO-PHA-CPs nanocomposite hydrogels without growth factors are a promising and effective candidate material for bone regeneration.
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Affiliation(s)
- Wuchao Ma
- School of Food Science and Technology, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Meilian Yang
- School of Food Science and Technology, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Chao Wu
- School of Food Science and Technology, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Ming Du
- School of Food Science and Technology, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China.
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Chen L, Tian M, Yang J, Wu Z. Berberine-Encapsulated Poly(lactic-co-glycolic acid)-Hydroxyapatite (PLGA/HA) Microspheres Synergistically Promote Bone Regeneration with DOPA-IGF-1 via the IGF-1R/PI3K/AKT/mTOR Pathway. Int J Mol Sci 2023; 24:15403. [PMID: 37895083 PMCID: PMC10607899 DOI: 10.3390/ijms242015403] [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: 09/13/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Polymer microspheres have recently shown outstanding potential for bone tissue engineering due to their large specific surface area, good porosity, injectable property, good biocompatibility, and biodegradability. Their good load-release function and surface modifiability make them useful as a carrier of drugs or growth factors for the repair of bone defects in irregularly injured or complex microenvironments, such as skull defects. In this study, berberine (BBR)-encapsulated poly(lactic-co-glycolic acid) (PLGA)/hydroxyapatite (HA) microspheres were fabricated using electrified liquid jets and a phase-separation technique, followed by modification with the 3,4-hydroxyphenalyalanine-containing recombinant insulin-like growth-factor-1 (DOPA-IGF-1). Both the BBR and the IGF-1 exhibited sustained release from the IGF-1@PLGA/HA-BBR microspheres, and the composite microspheres exhibited good biocompatibility. The results of the alkaline phosphatase (ALP) activity assays showed that the BBR and IGF-1 in the composite microspheres synergistically promoted the osteogenic differentiation of MC3T3-E1 cells. Furthermore, it was confirmed that immobilized IGF-1 enhances the mRNA expression of an osteogenic-related extracellular matrix and that BBR accelerates the mRNA expression of IGF-1-mediated osteogenic differentiation and cell mineralization. Further cellular studies demonstrate that IGF-1 could further synergistically activate the IGF-1R/PI3K/AKT/mTOR pathway using BBR, thereby enhancing IGF-1-mediated osteogenesis. Rat calvarial defect repair experiments show that IGF-1@PLGA/HA-BBR microspheres can effectively promote the complete bony connection required to cover the defect site and enhance bone defect repair. These findings suggest that IGF-1@PLGA/HA-BBR composite microspheres show a great potential for bone regeneration.
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Affiliation(s)
- Li Chen
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Institute of Cytology and Genetics, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China; (L.C.); (M.T.); (J.Y.)
| | - Meng Tian
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Institute of Cytology and Genetics, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China; (L.C.); (M.T.); (J.Y.)
| | - Jing Yang
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Institute of Cytology and Genetics, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China; (L.C.); (M.T.); (J.Y.)
| | - Zhenxu Wu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
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Tian T, Hu Q, Shi M, Liu C, Wang G, Chen X. The synergetic effect of hierarchical pores and micro-nano bioactive glass on promoting osteogenesis and angiogenesis in vitro. J Mech Behav Biomed Mater 2023; 146:106093. [PMID: 37651757 DOI: 10.1016/j.jmbbm.2023.106093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/22/2023] [Accepted: 08/25/2023] [Indexed: 09/01/2023]
Abstract
Hierarchical pores are important structural components of the bone tissue and are closely related to angiogenesis, nutrient transport, and metabolism involved in the repair of a bone defect. Here, we fabricated a composite scaffold having a hierarchical structure, based on micro-nano bioactive glass (MNBG) incorporated into poly (lactic-co-glycolic acid) (PLGA), and with camphene as a pore-forming agent for bone repair. The results showed that camphene formed abundant micropores in the walls of large pores, resulting in hierarchical pore structures ranging from a few microns to a hundred microns. Moreover, there was 2-3 folds increased in compressive modulus and the scaffolds showed a stable degradation rate and a higher degree of apatite crystallization than ordinary porous scaffolds. The results of in vitro studies showed that, when compared to ordinary porous scaffolds, PLGA-MNBG scaffolds with multi-holes could better promote the proliferation of bone marrow mesenchymal stem cells (BMSCs) and the expression of angiogenic marker (CD31) of human umbilical vein endothelial cells (HUVECs).
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Affiliation(s)
- Ting Tian
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Qing Hu
- School of Material Science and Engineering, Jingdezhen Ceramic University, Jingdezhen, 333001, China
| | - Miao Shi
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Cong Liu
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China
| | - Gang Wang
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou, 510006, China; Key Laboratory of Biomedical Materials and Engineering, Ministry of Education, South China University of Technology, Guangzhou, 510006, China.
| | - Xiaofeng Chen
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou, 510006, China; Key Laboratory of Biomedical Materials and Engineering, Ministry of Education, South China University of Technology, Guangzhou, 510006, China.
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Wu F, Wu Z, Ye Z, Niu G, Ma Z, Zhang P. PLGA/BGP/Nef porous composite restrains osteoclasts by inhibiting the NF-κB pathway, enhances IGF-1-mediated osteogenic differentiation and promotes bone regeneration. J Biol Eng 2023; 17:45. [PMID: 37461106 DOI: 10.1186/s13036-023-00354-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 05/15/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Novel bone substitutes are urgently needed in experimental research and clinical orthopaedic applications. There are many traditional Chinese medicines that have effects on bone repair. However, application of natural medicines in traditional Chinese medicine to bone tissue engineering and its mechanism were rarely reported. RESULTS In this study, the osteogenic ability of bioactive glass particles (BGPs) and the osteogenic and osteoclastic ability of neferine (Nef) were fused into PLGA-based bone tissue engineering materials for bone regeneration. BGPs were prepared by spray drying and calcination. Particles and Nef were then mixed with PLGA solution to prepare porous composites by the phase conversion method. Here we showed that Nef inhibited proliferation and enhanced ALP activity of MC3T3-E1 cells in a dose- and time-dependent manner. And the composites containing Nef could also inhibit RANKL-induced osteoclast formation (p < 0.05). Mechanistically, the PLGA/BGP/Nef composite downregulated the expression of NFATC1 by inhibiting the NF-κB pathway to restrain osteoclasts. In the other hands, PLGA/BGP/Nef composite was first demonstrated to effectively activate the IGF-1R/PI3K/AKT/mTOR pathway to enhance IGF-1-mediated osteogenic differentiation. The results of animal experiments show that the material can effectively promote the formation and maturation of new bone in the skull defect site. CONCLUSIONS The PLGA/BGP/Nef porous composite can restrain osteoclasts by inhibiting the NF-κB pathway, enhance IGF-1-mediated osteogenic differentiation and promotes bone regeneration, and has the potential for clinical application.
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Affiliation(s)
- Feng Wu
- Foshan Hospital of Traditional Chinese Medicine/Foshan Hospital of TCM, Foshan, China.
| | - Zhenxu Wu
- Key Laboratory of Polymer Ecomaterials, Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Zhijun Ye
- Foshan Hospital of Traditional Chinese Medicine/Foshan Hospital of TCM, Foshan, China
| | - Guoqing Niu
- Foshan Hospital of Traditional Chinese Medicine/Foshan Hospital of TCM, Foshan, China
| | - Zhiliang Ma
- Foshan Hospital of Traditional Chinese Medicine/Foshan Hospital of TCM, Foshan, China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China.
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Jin Z, Huang X, Tan W, Luo X, Cen L, Zhou Y. Synergetic effect of 3D porous microsphere structure and activation of adenosine A2B receptor signal on promoting osteogenic differentiation of BMSCs. BIOMATERIALS ADVANCES 2023; 151:213457. [PMID: 37172432 DOI: 10.1016/j.bioadv.2023.213457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/27/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023]
Abstract
Biodegradable microspheres offer great potential as functional building blocks for bottom-up bone tissue engineering. However, it remains challenging to understand and regulate cell behaviors in fabrication of injectable bone microtissues using microspheres. The study aims to develop an adenosine functionalized poly (lactide-co-glycolide) (PLGA) microsphere to enhance cell loading efficiency and inductive osteogenesis potential, and subsequently to investigate adenosine signaling-mediated osteogenic differentiation in cells grown on three-dimensional (3D) microspheres and flat control. Adenosine was loaded on PLGA porous microspheres via polydopamine coating, and the cell adhesion and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) were improved on these microspheres. It was found that adenosine A2B receptor (A2BR) was further activated by adenosine treatment, which consequently enhanced osteogenic differentiation of BMSCs. This effect was more obvious on 3D microspheres compared to 2D flats. However, the promotion of osteogenesis on the 3D microspheres was not eliminated by blocking the A2BR with antagonist. Finally, adenosine functionalized microspheres could fabricate injectable microtissues in vitro, and improve cell delivery and osteogenic differentiation after injection in vivo. Therefore, it is considered that adenosine loaded PLGA porous microspheres will be of good value in minimally invasive injection surgery and bone tissue repair.
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Affiliation(s)
- Ziyang Jin
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xing Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Wensong Tan
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xusong Luo
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Lian Cen
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Yan Zhou
- State Key Laboratory of Bioreactor Engineering, School of Bioengineering, East China University of Science and Technology, Shanghai 200237, PR China.
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Xu Y, Guan J, Wang Q, Xue R, He Z, Lu X, Fan J, Yu H, Turghun C, Yu W, Li Z, Abay S, Chen W, Han B. Mussel-Inspired Caries Management Strategy: Constructing a Tribioactive Tooth Surface with Remineralization, Antibiofilm, and Anti-inflammation Activity. ACS APPLIED MATERIALS & INTERFACES 2023; 15:15946-15964. [PMID: 36940092 DOI: 10.1021/acsami.2c21672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Dental caries is a common chronic oral disease in humans resulting from tooth demineralization caused by acid production of bacterial plaque, which leads to the destruction of enamel and dentin and oral inflammation. However, it is still a challenge that the function of natural active ingredients in currently available oral care products is not comprehensive, especially the lack of remineralization. Here, inspired by the strong biological adhesion ability of mussels and ancient oral disease plant therapy, a multifunctional strategy is proposed to construct a bioactive tooth surface to treat dental caries. It has been demonstrated that the Turkish gall extract (TGE) can inhibit adhesion of cariogenic bacteria Streptococcus mutans and Actinomyces viscosus and destroy biofilms on the tooth surface. Meanwhile, TGE can reduce the expression of inflammatory factors. Notably, the TGE coating can induce the growth of hydroxyapatite (HAP) crystals in vivo and in vitro, recovering the enamel mechanical properties under normal oral conditions. MD simulations interpreted the adsorption mechanism by which the hydroxyl groups in TGE bind to phosphate group (PO43-) on the tooth surface, attracting calcium ions (Ca2+) as nucleation sites for remineralization. This work underlines the importance of TGE coating in remineralization, antibiofilm, and anti-inflammation activity as a promising strategy for dental caries.
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Affiliation(s)
- Yu Xu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Jiawei Guan
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Qi Wang
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Rui Xue
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Zhirong He
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Xin Lu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Jingmin Fan
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Hang Yu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Chimengul Turghun
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Wei Yu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Zhijian Li
- Xinjiang Institute of Traditional Uygur Medicine, Urumqi 830049, Xinjiang, P. R. China
| | - Sirapil Abay
- Xinjiang Institute of Traditional Uygur Medicine, Urumqi 830049, Xinjiang, P. R. China
| | - Wen Chen
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Bo Han
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
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16
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Peng Z, Chang Q, Liu X, Chen D, Lu F, Chen X. Polydopamine-assisted tranilast immobilization on a PLA chamber to enhance fat flaps regeneration by reducing tissue fibrosis. RSC Adv 2023; 13:9195-9207. [PMID: 36950704 PMCID: PMC10025940 DOI: 10.1039/d2ra05237g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 02/22/2023] [Indexed: 03/22/2023] Open
Abstract
Tissue engineering chambers (TECs) have been shown to be useful in regenerating adipose tissue. However, tissue fibrosis caused by the chambers compromises the final volume of the newly formed adipose tissue. Surface modifications can compensate for the lack of biocompatibility of an implant. Tranilast (Tra) is an antifibrotic drug used to treat fibrotic pathologies, including keloids and scleroderma. In this study, a polydopamine-assisted tranilast coating (pDA + Tra) was prepared on a polylactic acid (PLA) chamber to minimize tissue fibrosis and achieve a large volume of fat flap regeneration. The in vitro results showed that, in contrast to a PLA chamber, roughness increased, and the fibroblast adhesion and smooth muscle antibody-positive immunoreactivity decreased in the PLA + pDA + Tra chamber. In addition, pedicled adipose tissue flaps were separated from the back of the rabbit and inserted into each chamber using the classic TEC procedure. After 16 weeks, the marked attenuation of fibrosis and promotion of fat regeneration was observed in the PLA + pDA + Tra chamber in contrast to the PLA chamber. Moreover, in contrast to the PLA chamber, Q-PCR results showed that fibrotic factor TGF-β was significantly reduced, associated with a remarkable increase in adipogenic differentiation transcription factors PPAR-γ and C/EBPα in the PLA + pDA + Tra chamber after 16 weeks (p < 0.05). Thus, PLA chambers loaded with pDA + Tra on the surface have good biocompatibility, and chemical anti-fibrosis reagents can synergistically reduce fibrosis formation while excellently promoting adipose tissue regeneration.
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Affiliation(s)
- Zhangsong Peng
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University 1838 Guangzhou North Road Guangzhou Guangdong 510515 China +86 (020) 61641869 +86 (020) 61641869
| | - Qiang Chang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University 1838 Guangzhou North Road Guangzhou Guangdong 510515 China +86 (020) 61641869 +86 (020) 61641869
| | - Xilong Liu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University Guangzhou China
| | - Danni Chen
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University 1838 Guangzhou North Road Guangzhou Guangdong 510515 China +86 (020) 61641869 +86 (020) 61641869
| | - Feng Lu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University 1838 Guangzhou North Road Guangzhou Guangdong 510515 China +86 (020) 61641869 +86 (020) 61641869
| | - Xihang Chen
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University 1838 Guangzhou North Road Guangzhou Guangdong 510515 China +86 (020) 61641869 +86 (020) 61641869
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Yu H, Song J, Zhang X, Jiang K, Fan H, Li Y, Zhao Y, Liu S, Hao D, Li G. Hydroxyapatite-Tethered Peptide Hydrogel Promotes Osteogenesis. Gels 2022; 8:gels8120804. [PMID: 36547328 PMCID: PMC9777555 DOI: 10.3390/gels8120804] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Hydroxyapatite (HAp) as natural bone composition is highly osteoinductive. To harvest its osteoinductivity in bone regenerative engineering, the HAp-supporting hydrogel is urgently needed to minimize inhomogeneous aggregation of HAp. Here, we developed a HAp-stabilizing hydrogel based on peptide self-assembly. FmocFFRR was efficient for HAp-capping due to arginine-phosphate interaction. Tethering FmocFFRR on the HAp surface facilitated self-assembly to form FmocFFRR/HAp hybrid hydrogel, enabling stable dispersion of HAp in it. The molecular interactions between FmocFFRR and HAp particles were studied using microscopic and spectral characterizations. FmocFFRR/HAp hydrogel exhibited more enhanced mechanical properties than FmocFFRR. The biocompatibility of FmocFFRR/HAp hydrogel was verified using an ATP assay and live-dead staining assay. More importantly, FmocFFRR/HAp hydrogel not only enabled cell attachment on its surface, but also supported 3D cell culturing inside the hydrogel. Further, 3D culturing of MC3T3-E1 preosteoblasts inside FmocFFRR/HAp hydrogel significantly enhanced the expressions of osteogenesis markers, including alkaline phosphate (ALP), type-I collagen (COL1), and osteocalcin (OCN), demonstrating the promoting effect of osteoblast differentiation. These findings inspire its potential application in bone regenerative engineering.
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Affiliation(s)
- Hongwen Yu
- The Second Clinical Medical School, Shaanxi University of Chinese Medicine, Xianyang 712046, China
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
- School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China
| | - Jiaqi Song
- School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China
| | - Xianpeng Zhang
- School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China
| | - Kuo Jiang
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Hong Fan
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Yibing Li
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Yuanting Zhao
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Shichang Liu
- The Second Clinical Medical School, Shaanxi University of Chinese Medicine, Xianyang 712046, China
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
- Correspondence: (S.L.); (D.H.); (G.L.)
| | - Dingjun Hao
- The Second Clinical Medical School, Shaanxi University of Chinese Medicine, Xianyang 712046, China
- Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
- Correspondence: (S.L.); (D.H.); (G.L.)
| | - Guanying Li
- School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China
- Correspondence: (S.L.); (D.H.); (G.L.)
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18
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Tolabi H, Bakhtiary N, Sayadi S, Tamaddon M, Ghorbani F, Boccaccini AR, Liu C. A critical review on polydopamine surface-modified scaffolds in musculoskeletal regeneration. Front Bioeng Biotechnol 2022; 10:1008360. [PMID: 36466324 PMCID: PMC9715616 DOI: 10.3389/fbioe.2022.1008360] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 11/04/2022] [Indexed: 08/26/2023] Open
Abstract
Increasing concern about age-related diseases, particularly musculoskeletal injuries and orthopedic conditions, highlights the need for strategies such as tissue engineering to address them. Surface modification has been developed to create pro-healing interfaces, personalize scaffolds and provide novel medicines. Polydopamine, a mussel-inspired adhesive polymer with highly reactive functional groups that adhere to nearly all substrates, has gained attention in surface modification strategies for biomaterials. Polydopamine was primarily developed to modify surfaces, but its effectiveness has opened up promising approaches for further applications in bioengineering as carriers and nanoparticles. This review focuses on the recent discoveries of the role of polydopamine as a surface coating material, with focus on the properties that make it suitable for tackling musculoskeletal disorders. We report the evolution of using it in research, and discuss papers involving the progress of this field. The current research on the role of polydopamine in bone, cartilage, muscle, nerve, and tendon regeneration is discussed, thus giving comprehensive overview about the function of polydopamine both in-vitro and in-vivo. Finally, the report concludes presenting the critical challenges that must be addressed for the clinical translation of this biomaterial while exploring future perspectives and research opportunities in this area.
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Affiliation(s)
- Hamidreza Tolabi
- New Technologies Research Center (NTRC), Amirkabir University of Technology, Tehran, Iran
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Negar Bakhtiary
- Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Biomaterials, Faculty of Interdisciplinary Science and Technology, Tarbiat Modares University, Tehran, Iran
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Shaghayegh Sayadi
- School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Maryam Tamaddon
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Farnaz Ghorbani
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Chaozong Liu
- Institute of Orthopaedic and Musculoskeletal Science, University College London, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
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19
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Guo Y, Li P, Wang Z, Zhang P, Wu X. Sustained Delivery of Methylsulfonylmethane from Biodegradable Scaffolds Enhances Efficient Bone Regeneration. Int J Nanomedicine 2022; 17:4829-4842. [PMID: 36246935 PMCID: PMC9558569 DOI: 10.2147/ijn.s377036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/02/2022] [Indexed: 11/07/2022] Open
Abstract
Introduction As a popular dietary supplement containing sulfur compound, methylsulfonylmethane (MSM) has been widely used as an alternative oral medicine to relieve joint pain, reduce inflammation and promote collagen protein synthesis. However, it is rarely used in developing bioactive scaffolds in bone tissue engineering. Methods Three-dimensional (3D) hydroxyapatite/poly (lactide-co-glycolide) (HA/PLGA) porous scaffolds with different doping levels of MSM were prepared using the phase separation method. MSM loading efficiency, in vitro drug release as well as the biological activity of MSM-loaded scaffolds were investigated by incubating mouse pre-osteoblasts (MC3T3-E1) in the uniform and interconnected porous scaffolds. Results Sustained release of MSM from the scaffolds was observed, and the total MSM release from 1% and 10% MSM/HA/PLGA scaffolds within 16 days was up to 64.9% and 68.2%, respectively. Cell viability, proliferation, and alkaline phosphatase (ALP) activity were significantly promoted by incorporating 0.1% of MSM in the scaffolds. In vivo bone formation ability was significantly enhanced for 1% MSM/HA/PLGA scaffolds indicated by the repair of rabbit radius defects which might be affected by a stimulated release of MSM by enzyme systems in vivo. Discussion Finding from this study revealed that the incorporation of MSM would be effective in improving the osteogenesis activity of the HA/PLGA porous scaffolds.
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Affiliation(s)
- Yueming Guo
- Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, People’s Republic of China
| | - Pengpeng Li
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Graduate School of Bengbu Medical College, Bengbu, 233030, People’s Republic of China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Xiaodong Wu
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Correspondence: Xiaodong Wu; Peibiao Zhang, Email ;
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Liu X, Yin M, Li Y, Wang J, Da J, Liu Z, Zhang K, Liu L, Zhang W, Wang P, Jin H, Zhang B. Genipin modified lyophilized platelet-rich fibrin scaffold for sustained release of growth factors to promote bone regeneration. Front Physiol 2022; 13:1007692. [PMID: 36246111 PMCID: PMC9561255 DOI: 10.3389/fphys.2022.1007692] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 09/01/2022] [Indexed: 11/13/2022] Open
Abstract
Lyophilized platelet-rich fibrin (L-PRF) was shown to further activate resident platelets in platelet-rich fibrin causing a higher amount of growth factors release. However, it still required further experimental studies to resolve the uncontrolled degradation and burst release problem. In this study, the nature crosslinker genipin is introduced to improve the performance of L-PRF scaffold. We used a series of gradient concentration genipin solutions to react with L-PRF. The crosslinking degree, micro morphology, mean pore size, water absorption and mechanical properties of the crosslinked scaffold were evaluated. In order to study the effect of genipin modification on the release kinetics of growth factors from L-PRF, we detected the release of platelet-derived growth factor, vascular endothelial growth factor and transforming growth factor in vitro by ELISA. To investigate the biodegradability of the crosslinked L-PRF in vivo, the scaffolds were transplanted subcutaneously into backs of rats, and the materials were recovered at 1, 2 and 4 weeks after implantation. The biodegradation, inflammatory reaction and biocompatibility of the scaffolds were examined by histological staining. Finally, the genipin crosslinked/uncrosslinked L- Platelet-rich fibrin scaffolds were implanted with freshly prepared SHED cell sheets into rat critical size calvarial defects and the skull samples were recovered to examine the treatment efficacy of genipin crosslinked L-PRF by histologic and radiographic approaches. Results of this study indicated that genipin can be used to modify L-PRF at room temperature at a very low concentration. Genipin-modified L-PRF shows better biomechanical performance, slower biodegradation, good bioavailable and sustained release of growth factors. The 0.01% w/v and 0.1% w/v genipin crosslinked L-PRF have good porous structure and significantly promote cell proliferation and enhance the expression of key genes in osteogenesis in vitro, and work best in promoting bone regeneration in vivo.
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Affiliation(s)
- Xiaoyao Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Stomatology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Mingjing Yin
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Stomatology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ying Li
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jianqun Wang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Junlong Da
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhongshuang Liu
- Department of Stomatology, Shenzhen University General Hospital, Shenzhen University, Shenzhen, China
| | - Kai Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lixue Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wenxuan Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Peijun Wang
- Department of Stomatology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Han Jin
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Han Jin, ; Bin Zhang,
| | - Bin Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Heilongjiang Academy of Medical Sciences, Harbin, China
- *Correspondence: Han Jin, ; Bin Zhang,
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21
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Khan HM, Liao X, Sheikh BA, Wang Y, Su Z, Guo C, Li Z, Zhou C, Cen Y, Kong Q. Smart biomaterials and their potential applications in tissue engineering. J Mater Chem B 2022; 10:6859-6895. [PMID: 36069198 DOI: 10.1039/d2tb01106a] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Smart biomaterials have been rapidly advancing ever since the concept of tissue engineering was proposed. Interacting with human cells, smart biomaterials can play a key role in novel tissue morphogenesis. Various aspects of biomaterials utilized in or being sought for the goal of encouraging bone regeneration, skin graft engineering, and nerve conduits are discussed in this review. Beginning with bone, this study summarizes all the available bioceramics and materials along with their properties used singly or in conjunction with each other to create scaffolds for bone tissue engineering. A quick overview of the skin-based nanocomposite biomaterials possessing antibacterial properties for wound healing is outlined along with skin regeneration therapies using infrared radiation, electrospinning, and piezoelectricity, which aid in wound healing. Furthermore, a brief overview of bioengineered artificial skin grafts made of various natural and synthetic polymers has been presented. Finally, by examining the interactions between natural and synthetic-based biomaterials and the biological environment, their strengths and drawbacks for constructing peripheral nerve conduits are highlighted. The description of the preclinical outcome of nerve regeneration in injury healed with various natural-based conduits receives special attention. The organic and synthetic worlds collide at the interface of nanomaterials and biological systems, producing a new scientific field including nanomaterial design for tissue engineering.
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Affiliation(s)
- Haider Mohammed Khan
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Xiaoxia Liao
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Bilal Ahmed Sheikh
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Yixi Wang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Zhixuan Su
- College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.,National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Chuan Guo
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Changchun Zhou
- College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.,National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Ying Cen
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Qingquan Kong
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
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22
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Tan X, Gerhard E, Wang Y, Tran RT, Xu H, Yan S, Rizk EB, Armstrong AD, Zhou Y, Du J, Bai X, Yang J. Development of Biodegradable Osteopromotive Citrate-Based Bone Putty. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203003. [PMID: 35717669 PMCID: PMC9463100 DOI: 10.1002/smll.202203003] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Indexed: 05/30/2023]
Abstract
The burden of bone fractures demands development of effective biomaterial solutions, while additional acute events such as noncompressible bleeding further motivate the search for multi-functional implants to avoid complications including osseous hemorrhage, infection, and nonunion. Bone wax has been widely used in orthopedic bleeding control due to its simplicity of use and conformation to irregular defects; however, its nondegradability results in impaired bone healing, risk of infection, and significant inflammatory responses. Herein, a class of intrinsically fluorescent, osteopromotive citrate-based polymer/hydroxyapatite (HA) composites (BPLP-Ser/HA) as a highly malleable press-fit putty is designed. BPLP-Ser/HA putty displays mechanics replicating early nonmineralized bone (initial moduli from ≈2-500 kPa), hydration induced mechanical strengthening in physiological conditions, tunable degradation rates (over 2 months), low swelling ratios (<10%), clotting and hemostatic sealing potential (resistant to blood pressure for >24 h) and significant adhesion to bone (≈350-550 kPa). Simultaneously, citrate's bioactive properties result in antimicrobial (≈100% and 55% inhibition of S. aureus and E. coli) and osteopromotive effects. Finally, BPLP-Ser/HA putty demonstrates in vivo regeneration in a critical-sized rat calvaria model equivalent to gold standard autograft. BPLP-Ser/HA putty represents a simple, off-the-shelf solution to the combined challenges of acute wound management and subsequent bone regeneration.
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Affiliation(s)
- Xinyu Tan
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
- Academy of Orthopedics, Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, 510280, China
| | - Ethan Gerhard
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Yuqi Wang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Hui Xu
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Su Yan
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Elias B. Rizk
- Department of Neurosurgery, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - April D. Armstrong
- Department of Orthopaedics and Rehabilitation, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Yuxiao Zhou
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Jing Du
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Xiaochun Bai
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
- Academy of Orthopedics, Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, 510280, China
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
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Du J, Zhou Y, Bao X, Kang Z, Huang J, Xu G, Yi C, Li D. Surface polydopamine modification of bone defect repair materials: Characteristics and applications. Front Bioeng Biotechnol 2022; 10:974533. [PMID: 35935489 PMCID: PMC9355039 DOI: 10.3389/fbioe.2022.974533] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 07/04/2022] [Indexed: 12/02/2022] Open
Abstract
Bone defects are a common challenge for clinical orthopedic surgeons. The existing bone defect repair materials are difficult to achieve satisfactory osseointegration between the material and the bone. Therefore, it is increasingly important to find effective methods to improve the integration of the materials with the bone and thus facilitate bone defect repair. Researchers have found that polydopamine (PDA) has a structure and properties similar to the adhesive proteins secreted by mussels in nature, with good biocompatibility, bioactivity, hydrophilicity, bio-adhesion and thermal stability. PDA is therefore expected to be used as a surface modification material for bone repair materials to improve the bonding of bone repair materials to the bone surface. This paper reviews research related to PDA-modified bone repair materials and looks at their future applications.
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Affiliation(s)
- Jianhang Du
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Ying Zhou
- Department of Rehabilitation, General Hospital of Chinese People’s Liberation Army, Beijing, China
| | - Xiaogang Bao
- Spine Center, Department of Orthopedics Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zhanrong Kang
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Jianming Huang
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Guohua Xu
- Spine Center, Department of Orthopedics Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
- *Correspondence: Guohua Xu, ; Chengqing Yi, ; Dejian Li,
| | - Chengqing Yi
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
- *Correspondence: Guohua Xu, ; Chengqing Yi, ; Dejian Li,
| | - Dejian Li
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
- *Correspondence: Guohua Xu, ; Chengqing Yi, ; Dejian Li,
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24
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Wu H, Zhao C, Lin K, Wang X. Mussel-Inspired Polydopamine-Based Multilayered Coatings for Enhanced Bone Formation. Front Bioeng Biotechnol 2022; 10:952500. [PMID: 35875492 PMCID: PMC9301208 DOI: 10.3389/fbioe.2022.952500] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/17/2022] [Indexed: 12/03/2022] Open
Abstract
Repairing bone defects remains a challenge in clinical practice and the application of artificial scaffolds can enhance local bone formation, but the function of unmodified scaffolds is limited. Considering different application scenarios, the scaffolds should be multifunctionalized to meet specific demands. Inspired by the superior adhesive property of mussels, polydopamine (PDA) has attracted extensive attention due to its universal capacity to assemble on all biomaterials and promote further adsorption of multiple external components to form PDA-based multilayered coatings with multifunctional property, which can induce synergistic enhancement of new bone formation, such as immunomodulation, angiogenesis, antibiosis and antitumor property. This review will summarize mussel-inspired PDA-based multilayered coatings for enhanced bone formation, including formation mechanism and biofunction of PDA coating, as well as different functional components. The synergistic enhancement of multiple functions for better bone formation will also be discussed. This review will inspire the design and fabrication of PDA-based multilayered coatings for different application scenarios and promote deeper understanding of their effect on bone formation, but more efforts should be made to achieve clinical translation. On this basis, we present a critical conclusion, and forecast the prospects of PDA-based multilayered coatings for bone regeneration.
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Affiliation(s)
| | | | - Kaili Lin
- *Correspondence: Kaili Lin, ; Xudong Wang,
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25
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An innovative layer-by-layer coated titanium hydroxide-(gentamicin-polydopamine) as a hybrid drug delivery platform. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Ma Y, You Y, Cao L, Liang B, Tian B, Dong J, Lin H. Improved Osteogenesis by Mineralization Combined With Double-Crosslinked Hydrogel Coating for Proliferation and Differentiation of Mesenchymal Stem Cells. Front Bioeng Biotechnol 2021; 9:706423. [PMID: 34917593 PMCID: PMC8670089 DOI: 10.3389/fbioe.2021.706423] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/06/2021] [Indexed: 11/23/2022] Open
Abstract
In consideration of improving the interface problems of poly-L-lactic acid (PLLA) that hindered biomedical use, surface coatings have been explored as an appealing strategy in establishing a multi-functional coating for osteogenesis. Though the layer-by-layer (LBL) coating developed, a few studies have applied double-crosslinked hydrogels in this technique. In this research, we established a bilayer coating with double-crosslinked hydrogels [alginate–gelatin methacrylate (GelMA)] containing bone morphogenic protein (BMP)-2 [alginate-GelMA/hydroxyapatite (HA)/BMP-2], which displayed great biocompatibility and osteogenesis. The characterization of the coating showed improved properties and enhanced wettability of the native PLLA. To evaluate the biosafety and inductive ability of osteogenesis, the behavior (viability, adherence, and proliferation) and morphology of human bone mesenchymal stem cells (hBMSCs) on the bilayer coatings were tested by multiple exams. The satisfactory function of osteogenesis was verified in bilayer coatings. We found the best ratios between GelMA and alginate for biological applications. The Alg70-Gel30 and Alg50-Gel50 groups facilitated the osteogenic transformation of hBMSCs. In brief, alginate-GelMA/HA/BMP-2 could increase the hBMSCs’ early transformation of osteoblast lineage and promote the osteogenesis of bone defect, especially the outer hydrogel layer such as Alg70-Gel30 and Alg50-Gel50.
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Affiliation(s)
- Yiqun Ma
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuwang You
- Hospital Infection Management Department, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Lu Cao
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Bing Liang
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University (Xiamen Branch), Xiamen, China
| | - Bo Tian
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jian Dong
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hong Lin
- Department of Orthopaedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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27
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Xing X, Han S, Ni Y, Cheng G, Cheng Y, Ni X, Deng Y, Li Z, Li Z. Mussel-inspired functionalization of electrospun scaffolds with polydopamine-assisted immobilization of mesenchymal stem cells-derived small extracellular vesicles for enhanced bone regeneration. Int J Pharm 2021; 609:121136. [PMID: 34592398 DOI: 10.1016/j.ijpharm.2021.121136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 12/11/2022]
Abstract
Mesenchymal stem cells-derived small extracellular vesicles (MSCs-sEV) have shown promising prospects as a cell-free strategy for bone tissue regeneration. Here, a bioactive MSCs-sEV-loaded electrospun silk fibroin/poly(ε-caprolactone) (SF/PCL) scaffold was synthesized via a mussel-inspired immobilization strategy assisted by polydopamine (pDA). This pDA modification endowed the as-prepared scaffold with high loading efficiency and sustained release profile of sEV. In addition, the fabricated composite scaffold exhibited good physiochemical, mechanical, and biocompatible properties. In vitro cellular experiments indicated that the MSCs-sEV-loaded composite scaffold promoted the adhesion and spreading of preosteoblast and endothelial cells, as well as enhanced osteogenic differentiation and angiogenic activity. In vivo experiments showed that the functionalized electrospun scaffolds promoted bone regeneration in a rat calvarial bone defect model. Results suggest that the developed MSCs-sEV-anchored pDA-modified SF/PCL electrospun scaffolds possess high application potential in bone tissue engineering owing to their powerful pro-angiogenic and -osteogenic capacities, cell-free bioactivity, and cost effectiveness.
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Affiliation(s)
- Xin Xing
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; The Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Shuang Han
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yifeng Ni
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Gu Cheng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; The Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yuet Cheng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoqi Ni
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yunfan Deng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhi Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; The Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, China.
| | - Zubing Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China; The Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, China.
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Chauhan N, Gupta P, Arora L, Pal D, Singh Y. Dexamethasone-loaded, injectable pullulan-poly(ethylene glycol) hydrogels for bone tissue regeneration in chronic inflammatory conditions. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 130:112463. [PMID: 34702538 DOI: 10.1016/j.msec.2021.112463] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 09/11/2021] [Accepted: 09/24/2021] [Indexed: 01/15/2023]
Abstract
Chronic inflammation, infection, and fixation stability disrupts bone tissue regeneration by implants. The elevated levels of inflammatory markers and reactive oxygen species (ROS) damage tissues, inhibit osteoblastic differentiation, and promote bone resorption. Activation of local and chronic inflammatory responses due to the implantable biomaterial poses a high risk of implant failure and compromised bone repair in several pathological conditions. Not much progress has been made in the development of biomaterials that can counter inflammation and ROS along with inducing osteogenic activities for managing bone defects/injuries. We have developed, for the first time, injectable polymeric hydrogels by crosslinking oxidized pullulan (OP, 1% w/v) and 8-arm PEG hydrazine (PEG-HY, 10% w/v) using pH-sensitive and dynamic hydrazone linkages at 37 °C in buffer. The hydrogels were loaded with dexamethasone (Dex), an anti-inflammatory corticosteroid and osteogenic inducer, by covalently linking it to PEG-HY by hydrazone linkages, and their morphological, injectability, viscoelastic, self-healing, swelling, and drug-release properties were investigated. The hydrogels provided a pH-sensitive sustained release of PEG-Dex conjugate (3.62 wt%, 9.22 × 10-5 mol of Dex/gram) for 28 days, with 74.54 and 55.15% PEG-Dex conjugate being released at pH 6.5 and 7.4. ABTS assay showed that hydrogels inhibited 68% radicals within 1 h, and treatment with hydrogel releasates inhibited the pro-inflammatory markers, IL-6 and IL-1β, and elevated the anti-inflammatory marker, TGF-β, in murine osteoblast precursor cells (MC3T3-E1). The hydrogels were found suitable for cell encapsulation and they exhibited 110% viability on treatment with releasates. Finally, the osteogenic activities of hydrogels were ascertained by alkaline phosphatase (ALP) activities, alizarin red S staining, and osteogenic gene expressions- RUNX2, Col-I, OPN, and IBSP. Overall, PEG-Dex conjugate released from hydrogels improved the cell viability and proliferation, and induced the osteoblastic differentiation. The hydrogels with their promising antioxidant and anti-inflammatory properties along with the osteogenic activities show a strong potential as an injectable, extracellular matrix (ECM)-mimicking implantable drug-depot for bone repair applications in chronic inflammatory conditions.
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Affiliation(s)
- Neelam Chauhan
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Priya Gupta
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Leena Arora
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Durba Pal
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Yashveer Singh
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India.
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29
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Wang Z, Guo Y, Zhang P. A rapid quantitation of cell attachment and spreading based on digital image analysis: Application for cell affinity and compatibility assessment of synthetic polymers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112267. [PMID: 34474826 DOI: 10.1016/j.msec.2021.112267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/02/2021] [Accepted: 06/14/2021] [Indexed: 11/26/2022]
Abstract
Accurate and rapid quantitation of cell attachment, spreading, and growth on a polymer thin film coated glass cover slide was developed by analyzing the digital images of cells stained with dyes. A biodegradable block copolymer poly(ethylene glycol)-block-poly(l-lactide-co-2-methyl-2-carboxyl-propylene carbonate) [PEG-b-P(LA-co-MCC)] was synthesized as model polymer with poly(L-lactic acid) [PLLA] as a control polymer. Only a small quantity of polymer (~5 mg) was needed in this method through dissolving in a solvent and casting on cover slides which were previously modified with dimethyl dichlorosilane (DMDC). Then it was seeded with cells and taken pictures with a digital camera under an optical microscope and analyzed with ImageJ software. Cell number and a series of morphological data were obtained, including cell area, circularity, perimeter and Feret's diameter, etc. The quantitative analysis results indicated that cells preferred to attach and spread on the surface of the copolymer PEG-b-P(LA-co-MCC) compared to PLLA during 24 h of cell culture. This efficient procedure provides a series of convincing statistical data to evaluate the direct interaction between cells and polymers with only an optical microscope, a digital camera and ImageJ software. It's a rapid, economic way for assessing cell affinity and compatibility of novel synthetic polymers by cell culture in vitro.
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Affiliation(s)
- Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Yueming Guo
- Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan 528000, PR China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
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Sun F, Li R, Jin F, Zhang H, Zhang J, Wang T, Feng ZQ. Dopamine/zinc oxide doped poly( N-hydroxyethyl acrylamide)/agar dual network hydrogel with super self-healing, antibacterial and tissue adhesion functions designed for transdermal patch. J Mater Chem B 2021; 9:5492-5502. [PMID: 34161410 DOI: 10.1039/d1tb00822f] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dual network (DN) hydrogels with excellent mechanical strength and controllable component adjustment characteristics have a broad application range in the field of biomedicine. However, the tissue adhesion, skin affinity, self-healing, and antibacterial properties of DN hydrogels are inadequate for their application as skin patches. In this work, we prepared dopamine/zinc oxide (DOPA/ZnO) doped poly(N-hydroxyethyl acrylamide) (p(HEAA))/agar DN hydrogels and combined them to obtain a bilayer hydrogel (two-layer gel) with moisturizing properties. Upon incorporating 0.86 wt% of dopamine (DOPA), the resultant DOPA/p(HEAA))/agar DN hydrogel (DOPA@DNG) exhibited high tensile strain (up to 1600%), excellent self-repair ability, and tissue adhesion. ZnO/p(HEAA))/agar DN hydrogel (ZnO NG) obtained by incorporating 2 w/v ZnO nanoparticles (ZnO NPs) achieved high tensile strength (1.2 MPa), good antibacterial ability, and low charge transfer resistance. Moreover, ZnO NG, which has a tight structure, was employed as a protective layer for the two-layer gel, which can effectively slow down the excessive evaporation of water to protect the DOPA@DNG stability as a skin patch. Evidence showed that the two-layer hydrogel has water retention. Water retention still remains at over 50% after keeping the hydrogel in air for 3 days. These properties mean the two-layer gel based on the DOPA/ZnO doped DN hydrogels could be used as a transdermal patch for numerous applications in drug delivery, wearable devices, and electronic skin.
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Affiliation(s)
- Fengyu Sun
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
| | - Rui Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
| | - Fei Jin
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
| | - Haiyang Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
| | - Jin Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
| | - Ting Wang
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, P. R. China
| | - Zhang-Qi Feng
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
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Li G, Zheng T, Wu L, Han Q, Lei Y, Xue L, Zhang L, Gu X, Yang Y. Bionic microenvironment-inspired synergistic effect of anisotropic micro-nanocomposite topology and biology cues on peripheral nerve regeneration. SCIENCE ADVANCES 2021; 7:7/28/eabi5812. [PMID: 34233882 PMCID: PMC8262819 DOI: 10.1126/sciadv.abi5812] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/26/2021] [Indexed: 06/02/2023]
Abstract
Anisotropic topographies and biological cues can simulate the regenerative microenvironment of nerve from physical and biological aspects, which show promising application in nerve regeneration. However, their synergetic influence on injured peripheral nerve is rarely reported. In the present study, we constructed a bionic microenvironment-inspired scaffold integrated with both anisotropic micro-nanocomposite topographies and IKVAV peptide. The results showed that both the topographies and peptide displayed good stability. The scaffolds could effectively induce the orientation growth of Schwann cells and up-regulate the genes and proteins relevant to myelination. Last, three signal pathways including the Wnt/β-catenin pathway, the extracellular signal-regulated kinase/mitogen-activated protein pathway, and the transforming growth factor-β pathway were put forward, revealing the main path of synergistic effects of anisotropic micro-nanocomposite topographies and biological cues on neuroregeneration. The present study may supply an important strategy for developing functional of artificial nerve implants.
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Affiliation(s)
- Guicai Li
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China.
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, Jilin University, 130061 Changchun, P.R. China
| | - Tiantian Zheng
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
| | - Linliang Wu
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
| | - Qi Han
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
| | - Yifeng Lei
- School of Power and Mechanical Engineering and The Institute of Technological Science, Wuhan University, 430072 Wuhan, P.R. China
| | - Longjian Xue
- School of Power and Mechanical Engineering and The Institute of Technological Science, Wuhan University, 430072 Wuhan, P.R. China
| | - Luzhong Zhang
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
| | - Xiaosong Gu
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China.
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
| | - Yumin Yang
- Key laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, 226001 Nantong, P.R. China.
- Co-innovation Center of Neuroregeneration, Nantong University, 226001 Nantong, P.R. China
- NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, 226001 Nantong, P.R. China
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Di Y, Wang C, Zhu H, Yu S, Ren Y, Li X. [Experimental study on repairing rabbit skull defect with bone morphogenetic protein 2 peptide/functionalized carbon nanotube composite]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:286-294. [PMID: 33719235 DOI: 10.7507/1002-1892.202009014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To observe and compare the effects of peptides on the repair of rabbit skull defects through two different binding modes of non-covalent and covalent, and the combination of carboxyl (-COOH) and amino (-NH 2) groups with materials. Methods Twenty-one 3-month-old male ordinary New Zealand white rabbits were numbered 1 to 42 on the left and right parietal bones. They were divided into 5 groups using a random number table, the control group (group A, 6 sides) and the material group 1, 2, 3, 4 (respectively group B, C, D, E, 9 sides in each group). All animals were prepared with 12-mm-diameter skull defect models, and bone morphogenetic protein 2 (BMP-2) non-covalently bound multiwalled carbon nanotubes (MWCNT)-COOH+poly ( L-lactide) (PLLA), BMP-2 non-covalently bound MWCNT-NH 2+PLLA, BMP-2 covalently bound MWCNT-COOH+PLLA, and BMP-2 covalently bound MWCNT-NH 2+PLLA were implanted into the defects of groups B, C, D, and E, respectively. At 4, 8, and 12 weeks after operation, the samples were taken for CT scanning and three-dimensional reconstruction, the ratio of bone tissue regeneration volume to total volume and bone mineral density were measured, and the histological observation of HE staining and Masson trichrome staining were performed to quantitatively analyze the volume ratio of new bone tissue. Results CT scanning and three-dimensional reconstruction showed that with the extension of time, the defects in groups A-E were filled gradually, and the defect in group E was completely filled at 12 weeks after operation. HE staining and Masson trichrome staining showed that the volume of new bone tissue in each group gradually increased with time, and regenerated mature bone tissue appeared in groups D and E at 12 weeks after operation. Quantitative analysis showed that at 4, 8, and 12 weeks after operation, the ratio of bone tissue regeneration volume to total volume, bone mineral density, and the volume ratio of new bone tissue increased gradually over time; and at each time point, the above indexes increased gradually from group A to group E, and the differences between groups were significant ( P<0.05). Conclusion Through covalent binding and using -NH 2 to bound peptides with materials, the best bone repair effect can be achieved.
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Affiliation(s)
- Yuntao Di
- Department of Neurosurgery, the Fourth Central Hospital of Baoding City, Baoding Hebei, 072350, P.R.China
| | | | - Huixue Zhu
- Department of Neurosurgery, the Fourth Central Hospital of Baoding City, Baoding Hebei, 072350, P.R.China
| | - Suxiang Yu
- Department of Pathology, the Fourth Central Hospital of Baoding City, Baoding Hebei, 072350, P.R.China
| | - Yixing Ren
- Department of Orthopedics, the Fourth Central Hospital of Baoding City, Baoding Hebei, 072350, P.R.China
| | - Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, P.R.China
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Liu M, Shu M, Yan J, Liu X, Wang R, Hou Z, Lin J. Luminescent net-like inorganic scaffolds with europium-doped hydroxyapatite for enhanced bone reconstruction. NANOSCALE 2021; 13:1181-1194. [PMID: 33404034 DOI: 10.1039/d0nr05608a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Bone reconstruction is an urgent problem during clinical treatment. In the past few decades, the construction of composite scaffolds has been a hot spot in the research field of bone tissue engineering (BTE). However, the disadvantages of composite materials raise our awareness to explore the potential application of hydroxyapatite (HAp) in bone substitutes due to the closest properties of HAp to natural bone tissue. In our study, we synthesized Eu3+-doped HAp (HAp:Eu3+) ultralong nanowires, which can be transformed to hydrophilic net-like scaffolds via a thiol-ene click reaction. The property of luminescence of HAp from Eu3+ is beneficial for identifying the relative position of materials and bone marrow mesenchymal stem cells (BMSCs). HAp:Eu3+ scaffolds with excellent cell biocompatibility could promote the expression of early bone formation markers (ALP and ARS) and enhance the expression of genes and proteins associated with osteogenesis (Runx 2, OCN, and OPN). In the end, the results of the in vivo osteogenesis experiment showed that pure HAp scaffolds presented different effects of bone tissue reconstruction compared with the composite scaffolds with HAp nanorods and polymer materials. The superior osteogenic effect could be observed in net-like pure HAp scaffold groups. Furthermore, the absorption of HAp:Eu3+ scaffolds could be monitored due to the luminescence property of Eu3+. This strategy based on ultralong HAp nanowires proved to be a new method for the construction of simple reticular scaffolds for potential osteogenic applications.
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Affiliation(s)
- Min Liu
- Department of Periodontology, Stomatological Hospital, Jilin University, Changchun 130021, P. R. China.
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Biomimetic Nanopillar-Based Biosensor for Label-Free Detection of Influenza A Virus. BIOCHIP JOURNAL 2021; 15:260-267. [PMID: 34122741 PMCID: PMC8184868 DOI: 10.1007/s13206-021-00027-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 05/12/2021] [Accepted: 05/17/2021] [Indexed: 02/08/2023]
Abstract
Since the first emergence of influenza viruses, they have caused the flu seasonally worldwide. Precise detection of influenza viruses is required to prevent the spreading of the disease. Herein, we developed an optical biosensor using peptide-immobilized nanopillar structures for the label-free detection of influenza viruses. The spin-on-glass nanopillar structures were fabricated by nanoimprint lithography. A sialic acid-mimic peptide, which can specifically bind to hemagglutinin on the surface of the influenza virus, was immobilized onto the nanopillars via polymerized dopamine. The constructed nanopillar sensor enabled us to detect influenza A viruses in the range of 103-105 plaque-forming units through simple measurements of reflectance. Our findings suggest that biomimetic modification of nanopillar structures can be an alternative method for the immunodiagnosis of influenza viruses.
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Yang X, Zhan P, Wang X, Zhang Q, Zhang Y, Fan H, Li R, Zhang M. Polydopamine-assisted PDGF-BB immobilization on PLGA fibrous substrate enhances wound healing via regulating anti-inflammatory and cytokine secretion. PLoS One 2020; 15:e0239366. [PMID: 32991599 PMCID: PMC7523965 DOI: 10.1371/journal.pone.0239366] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 09/07/2020] [Indexed: 11/19/2022] Open
Abstract
Platelet-derived growth factor-bb (PDGF-BB) is a potent chemokine and mitogen for fibroblasts, keratinocytes, and vascular endothelium in the injured area, believed to be effective in wound healing. However, the short half-life of PDGF-BB and its rapid release from the wound surface limited its efficacy in vivo and vitro. To evaluate the wound healing effects of dorsal skin in SD rats with polydopamine-assisted immobilized PDGF-BB on PLGA nanofibrous substrate. First, the effects of pDA-coating and PDGF-BB immobilization on the morphology, compositions, and hydrophilicity of substrates were evaluated in details. Second, the wound healing effect of pDA/PLGA/PDGF-BB substrate was assessed in the dorsal skin of SD rats. Last, the cytokine analysis by ELISA method was employed to evaluate the advantages of pDA/PLGA/PDGF-BB substrate on anti-inflammatory, angiogenesis, and cellular proliferation. This method significantly improved the immobilization amount and stability of PDGF-BB on the substrate (p<0.01), further improved the hydrophilicity of substrates (p<0.05). Furthermore, the wound closure process was much more accelerated in the pDA/PLGA/PDGF-BB group (p<0.05). H&E and CD31 staining informed that the wound treated by pDA/PLGA/PDGF-BB substrate showed a high degree of regeneration and angiogenesis. The cytokine analysis showed that pDA significantly reduced the high level of inflammatory cytokines such as TNF-α (p<0.05). And the immobilized PDGF-BB significantly elevated the level of TGF-β and VEGF (p<0.05). The pDA/PLGA/PDGF-BB substrate showed great therapeutic effect on wound healing compared with other control groups via regulating anti-inflammatory, angiogenesis, and cellular proliferation. Absolutely, this report offered an available novel method for skin regeneration.
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Affiliation(s)
- Xiao Yang
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Peng Zhan
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Xiuyan Wang
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Qiushuang Zhang
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Yi Zhang
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Haitao Fan
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Ranwei Li
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
| | - Ming Zhang
- Department of Urology, Jilin University Second Hospital, Changchun, PR China
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Lyons JG, Plantz MA, Hsu WK, Hsu EL, Minardi S. Nanostructured Biomaterials for Bone Regeneration. Front Bioeng Biotechnol 2020; 8:922. [PMID: 32974298 PMCID: PMC7471872 DOI: 10.3389/fbioe.2020.00922] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/17/2020] [Indexed: 12/13/2022] Open
Abstract
This review article addresses the various aspects of nano-biomaterials used in or being pursued for the purpose of promoting bone regeneration. In the last decade, significant growth in the fields of polymer sciences, nanotechnology, and biotechnology has resulted in the development of new nano-biomaterials. These are extensively explored as drug delivery carriers and as implantable devices. At the interface of nanomaterials and biological systems, the organic and synthetic worlds have merged over the past two decades, forming a new scientific field incorporating nano-material design for biological applications. For this field to evolve, there is a need to understand the dynamic forces and molecular components that shape these interactions and influence function, while also considering safety. While there is still much to learn about the bio-physicochemical interactions at the interface, we are at a point where pockets of accumulated knowledge can provide a conceptual framework to guide further exploration and inform future product development. This review is intended as a resource for academics, scientists, and physicians working in the field of orthopedics and bone repair.
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Affiliation(s)
- Joseph G. Lyons
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Simpson Querrey Institute, Northwestern University, Chicago, IL, United States
| | - Mark A. Plantz
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Simpson Querrey Institute, Northwestern University, Chicago, IL, United States
| | - Wellington K. Hsu
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Simpson Querrey Institute, Northwestern University, Chicago, IL, United States
| | - Erin L. Hsu
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Simpson Querrey Institute, Northwestern University, Chicago, IL, United States
| | - Silvia Minardi
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Simpson Querrey Institute, Northwestern University, Chicago, IL, United States
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Wan T, Jiao Z, Guo M, Wang Z, Wan Y, Lin K, Liu Q, Zhang P. Gaseous sulfur trioxide induced controllable sulfonation promoting biomineralization and osseointegration of polyetheretherketone implants. Bioact Mater 2020; 5:1004-1017. [PMID: 32671294 PMCID: PMC7339002 DOI: 10.1016/j.bioactmat.2020.06.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 05/08/2020] [Accepted: 06/16/2020] [Indexed: 10/25/2022] Open
Abstract
Fabricating a desired porous structure on the surface of biomedical polyetheretherketone (PEEK) implants for enhancing biological functions is crucial and difficult due to its inherent chemical inertness. In this study, a porous surface of PEEK implants was fabricated by controllable sulfonation using gaseous sulfur trioxide (SO3) for different time (5, 15, 30, 60 and 90 min). Micro-topological structure was generated on the surface of sulfonated PEEK implants preserving original mechanical properties. The protein absorption capacity and apatite forming ability was thus improved by the morphological and elemental change with higher degree of sulfonation. In combination of the appropriate micromorphology and bioactive sulfonate components, the cell adhesion, migration, proliferation and extracellular matrix secretion were obviously enhanced by the SPEEK-15 samples which were sulfonated for 15 min. Finding from this study revealed that controllable sulfonation by gaseous SO3 would be an extraordinarily strategy for improving osseointegration of PEEK implants by adjusting the microstructure and chemical composition while maintaining excellent mechanical properties.
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Affiliation(s)
- Teng Wan
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China
- Department of Orthopaedics, The Second Hospital, Jilin University, Changchun, 130041, PR China
| | - Zixue Jiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China
- Corresponding author.
| | - Yizao Wan
- Institute of Advanced Materials, East China Jiaotong University, Nanchang, 330013, PR China
| | - Kaili Lin
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, 200011, PR China
| | - Qinyi Liu
- Department of Orthopaedics, The Second Hospital, Jilin University, Changchun, 130041, PR China
- Corresponding author.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China
- University of Science and Technology of China, Hefei, 230026, PR China
- Corresponding author. Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China.
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Gao D, Wang Z, Wu Z, Guo M, Wang Y, Gao Z, Zhang P, Ito Y. 3D-printing of solvent exchange deposition modeling (SEDM) for a bilayered flexible skin substitute of poly (lactide-co-glycolide) with bioorthogonally engineered EGF. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110942. [PMID: 32409088 DOI: 10.1016/j.msec.2020.110942] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 03/06/2020] [Accepted: 04/07/2020] [Indexed: 12/12/2022]
Abstract
Biodegradable polyesters have been widely used as rigid biomedical apparatus because of high mechanical properties but few flexible implants. Herein, we report a flexible poly(lactide-co-glycolide) (PLGA) scaffold using a rapid in situ formation system based on phase separation by solvent exchange deposition modeling (SEDM), which was different from traditional 3D printing of fused deposition modeling (FDM). The FDM printed product was rigidity, its Young's modulus was approximate 2.6 times higher than that of SEDM printed sample. In addition, the thickness of the solidified ink would not shrink during the SEDM printing process, its surface had nano-/micro pores in favor of protein immobilization and cell adhesion. Then a flexible bilayered scaffold with nano-/microstructure was constructed combing SEDM with electrospinning technology for skin substitute, wherein the SEDM printed sample acted as a sub-layer for cell and tissue ingrowth, the densely packed electrospun nanofibers served as an upper-layer improving the sub-layer's tensile strength by 57.07% and preventing from bacteria as physical barrier. Ultimately, the bilayered scaffold immobilized epidermal growth factor (EGF) by a bioorthogonal approach was successfully applied to facilitate full-thickness wound healing of rats.
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Affiliation(s)
- Daqian Gao
- The Ministry of Education Key Laboratory of Bio-based Material Science & Technology, College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, PR China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Zhenxu Wu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Yu Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Zhenhua Gao
- The Ministry of Education Key Laboratory of Bio-based Material Science & Technology, College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, PR China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Yoshihiro Ito
- Emergent Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Klimek K, Ginalska G. Proteins and Peptides as Important Modifiers of the Polymer Scaffolds for Tissue Engineering Applications-A Review. Polymers (Basel) 2020; 12:E844. [PMID: 32268607 PMCID: PMC7240665 DOI: 10.3390/polym12040844] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/31/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022] Open
Abstract
Polymer scaffolds constitute a very interesting strategy for tissue engineering. Even though they are generally non-toxic, in some cases, they may not provide suitable support for cell adhesion, proliferation, and differentiation, which decelerates tissue regeneration. To improve biological properties, scaffolds are frequently enriched with bioactive molecules, inter alia extracellular matrix proteins, adhesive peptides, growth factors, hormones, and cytokines. Although there are many papers describing synthesis and properties of polymer scaffolds enriched with proteins or peptides, few reviews comprehensively summarize these bioactive molecules. Thus, this review presents the current knowledge about the most important proteins and peptides used for modification of polymer scaffolds for tissue engineering. This paper also describes the influence of addition of proteins and peptides on physicochemical, mechanical, and biological properties of polymer scaffolds. Moreover, this article sums up the major applications of some biodegradable natural and synthetic polymer scaffolds modified with proteins and peptides, which have been developed within the past five years.
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Affiliation(s)
- Katarzyna Klimek
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki 1 Street, 20-093 Lublin, Poland;
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Zhang D, Xu X, Long X, Cheng K, Li J. Advances in biomolecule inspired polymeric material decorated interfaces for biological applications. Biomater Sci 2020; 7:3984-3999. [PMID: 31429424 DOI: 10.1039/c9bm00746f] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
With the development of surface modification technology, interface properties have great effects on the interaction between biomedical materials and cells and biomolecules, which significantly affects the biocompatibility and functionality of materials. As an orderly and perfect system, biological organisms in nature effectively integrate all kinds of bio-interfaces with physiological functions, which shed light on the importance of biomolecules in organisms. It gives birth to a bio-inspiration strategy to design and fabricate smart materials with specific functionalities, e.g. osteogenic and chondrocytic induced materials inspired by bone sialoprotein and chondroitin sulfate. Through this mimicking approach, various functional materials were utilized to decorate the interfaces and further optimize the performance of biomedical materials, which would widely expand their applications. In this review, followed by a summary and brief introduction of surface modification methods, we highlight recent advances in the fabrication of functional polymeric materials inspired by a range of biomolecules for decorating interfaces. Then, the other applications of biomolecule inspired materials including tissue engineering, diagnosis and treatment of diseases and physiological function regulation are presented and the future outlook is discussed as well.
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Affiliation(s)
- Dongyue Zhang
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China.
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Tian X, Yuan X, Feng D, Wu M, Yuan Y, Ma C, Xie D, Guo J, Liu C, Lu Z. In vivo study of polyurethane and tannin-modified hydroxyapatite composites for calvarial regeneration. J Tissue Eng 2020; 11:2041731420968030. [PMID: 33282174 PMCID: PMC7682243 DOI: 10.1177/2041731420968030] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 10/02/2020] [Indexed: 12/20/2022] Open
Abstract
Biomaterial mediated bone regeneration is an attractive strategy for bone defect treatment. Organic/inorganic composites have been well established as effective bone graft. Here, the bone regenerative effect of the composites made from tannic acid (TA) modified hydroxyapatite (HA) (THA) or TA & silver nanoparticles (Ag NPs) modified HA (Ag-THA) and polyurethane (PU) was evaluated on critical-sized calvarial defects in rats. The in vivo study indicates that PU/THA and PU/Ag-THA scaffolds exhibited acceptable biocompatibility and induced significantly enhanced bone mineral densities comparing with the blank control (CON) group as well as PU/HA group. The inclusion of TA on HA brought the composites with enhanced osteogenesis and angiogenesis, evidenced by osteocalcin (OCN) and vascular endothelial growth factor (VEGF) immunohistochemical staining. Tartrate resistant acid phosphatase (TRAP) staining showed high osteoclast activity along with osteogenesis, especially in PU/THA and PU/Ag-THA groups. However, further introduction of Ag NPs on HA depressed the angiogenesis of the composites, leading to even lower VEGF expression than that of CON group. This study once more proved that THA can serve as a better bone composite component that pure HA and can promote osteogenesis and angiogenesis. While, the introduction of antimicrobial Ag NPs on HA need to be controlled in some extent not to affect the angiogenesis of the composites.
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Affiliation(s)
- Xinggui Tian
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, P. R. China
| | - Xiaowei Yuan
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Daxiong Feng
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, P. R. China
| | - Min Wu
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
| | - Yuping Yuan
- Department of Material Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | | | - Denghui Xie
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
| | - Jinshan Guo
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
| | - Chao Liu
- Aleo BME, Inc., State College, PA, USA
| | - Zhihui Lu
- Department of Histology and Embryology, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China
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Hao L, Li L, Wang P, Wang Z, Shi X, Guo M, Zhang P. Synergistic osteogenesis promoted by magnetically actuated nano-mechanical stimuli. NANOSCALE 2019; 11:23423-23437. [PMID: 31799540 DOI: 10.1039/c9nr07170a] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Functional biomaterials with magnetic properties are considerably useful for regulating cell behavior and promoting bone regeneration. And the combination of such biomaterials with physical environmental cues (such as magnetic fields and mechanical stress) might be more favorable for the regulation of cell function. This study is aimed at investigating the combined effects of magnetically responsive materials and a static magnetic field (SMF) on the osteogenic differentiation of osteoblasts and the potential mechanism involved. In this study, oleic acid modified iron oxide nanoparticles (IO-OA NPs) were utilized to generate homogeneous magnetic nanocomposites with poly(lactide-co-glycolide) (PLGA) used as the base and to enhance the mechanical properties of the composites. In vitro experimental results show that in the presence of an external SMF, cell attachment and osteogenic differentiation were significantly improved using the IO-OA/PLGA composites, as indicated by enhanced alkaline phosphatase (ALP) activity, increased mineralized nodule formation, and upregulated bone-associated gene expression (ALP, OCN, and BMP2), in a dose- and time-dependent manner. Furthermore, the upregulated expression levels of piezo-type mechanosensitive ion channel component 1 (Piezo1), a key receptor for sensing mechanical stimuli, implied that the synergistically enhanced osteogenic differentiation was mainly caused as a result of the mechanical stimuli. Such magnetically actuated mechanical stimuli were induced through the nano-deformation of the magnetic substrate under a SMF, which was directly characterized via in situ scanning using atomic force microscopy (AFM). This study demonstrates that magnetically actuated nano-mechanical stimuli may underpin the synergistic effects of magnetic composites and magnetic stimuli to enhance osteogenic differentiation, and they could form the basis of a potential strategy to accelerate bone formation for bone tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Lili Hao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Linlong Li
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and University of Chinese Academy of Sciences, Beijing 100039, PR China
| | - Peng Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Xincui Shi
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
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Hao YN, Zheng AQ, Guo TT, Shu Y, Wang JH, Johnson O, Chen W. Glutathione triggered degradation of polydopamine to facilitate controlled drug release for synergic combinational cancer treatment. J Mater Chem B 2019; 7:6742-6750. [PMID: 31465074 PMCID: PMC7428381 DOI: 10.1039/c9tb01400d] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Here we report a novel mechanism for triggering drug release in the polydopamine (PDA)-coated magnetic CuCo2S4 core-shell nanostructure by glutathione (GSH) triggered degradation of PDA for release. In the design, we used PDA coated CuCo2S4 as the nanocarrier with polyethylene glycol and folic acid targeting molecules to ensure the safe delivery of doxorubicin (DOX) to cancer cells. In addition, the controlled release could be enforced by taking advantage of the pH sensitivity of PDA to tumor acidic environments. The targeting and treatment of HeLa cancer cells were very effective and the killing was more efficient at higher levels of GSH. Furthermore, the designed system not only could be used for drug delivery but also could combine photothermal therapy with chemotherapy in a synergetic way. Plus, the system could be used for magnetic resonance imaging (MRI), which is beneficial for imaging-guided treatment.
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Affiliation(s)
- Ya-Nan Hao
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
| | - An-Qi Zheng
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
| | - Ting-Ting Guo
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
| | - Yang Shu
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
| | - Jian-Hua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.
| | - Omar Johnson
- Departments of Physics, University of Texas at Arlington, TX 76019, USA.
| | - Wei Chen
- Departments of Physics, University of Texas at Arlington, TX 76019, USA.
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Li X, Yin HM, Luo E, Zhu S, Wang P, Zhang Z, Liao GQ, Xu JZ, Li ZM, Li JH. Accelerating Bone Healing by Decorating BMP-2 on Porous Composite Scaffolds. ACS APPLIED BIO MATERIALS 2019; 2:5717-5726. [PMID: 35021565 DOI: 10.1021/acsabm.9b00761] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiang Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Hua-Mo Yin
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - En Luo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Peng Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zhen Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Gui-Qing Liao
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Jia-Zhuang Xu
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhong-Ming Li
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Ji-Hua Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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45
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Shao N, Guan Y, Liu S, Li X, Zhou D, Huang Y. A Multi-Functional Silicon Nanoparticle Designed for Enhanced Osteoblast Calcification and Related Combination Therapy. Macromol Biosci 2019; 19:e1900255. [PMID: 31709759 DOI: 10.1002/mabi.201900255] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/02/2019] [Indexed: 11/09/2022]
Abstract
Implant materials applied in bone defect commonly focus on the inducement of bone regeneration and neglect to cure complications including bacterial infection and inflammation, which may result in delayed unions or even amputation. In this study, a microporous silica nanoparticle-poly(N-isopropylacrylamide-b-(2-(dimethylamino)ethyl methacrylate) is synthesized for loading DXMS and the ECM-derived peptide (Sequence: Succinic acid-GTPGPQGIAGQRGVV) in order to enhance the osteoblast calcification and relieve related symptoms. Positively charged PDMA blocks endow the nanoparticle with the antimicrobial property. Moreover, the combination of DXMS makes it have the ability of anti-inflammation and promoting calcification formation. Furthermore, incorporation of the peptide leads to a significant improvement of mineralization and alkaline phosphatase expression in the preosteoblast. After intramuscular implantation in mice for four weeks, the results indicate the composite nanoparticle can promote ectopic bone formation. These combined properties make the composite silicon nanoparticle a promising osteogenic drug appropriate for further study in bone repair and related combination therapy.
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Affiliation(s)
- Nannan Shao
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.,University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yuyao Guan
- Department of Radiology, China-Japan Union Hospital, Jilin University, Changchun, 130022, P. R. China
| | - Sha Liu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.,University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Xiaoyuan Li
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Dongfang Zhou
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Yubin Huang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.,University of Science and Technology of China, Hefei, 230026, P. R. China
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Li G, Li S, Zhang L, Chen S, Sun Z, Li S, Zhang L, Yang Y. Construction of Biofunctionalized Anisotropic Hydrogel Micropatterns and Their Effect on Schwann Cell Behavior in Peripheral Nerve Regeneration. ACS APPLIED MATERIALS & INTERFACES 2019; 11:37397-37410. [PMID: 31525950 DOI: 10.1021/acsami.9b08510] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Hydrogels have promising application in tissue regeneration due to their excellent physicochemical and biocompatible properties, whereas anisotropic micropatterns are been proven to directionally induce cell alignment and accelerate cell migration. However, an effect of biofunctionalized anisotropic hydrogel micropatterns on nerve regeneration has rarely been reported. In this study, the anisotropic polyacrylamide (PAM) hydrogel micropatterns with aligned ridge/groove structures were first prepared via in situ free radical polymerization and micromolding, and then biofunctionalized using YIGSR peptide for better promoting cell growth. The morphology, swelling ratio, wettability, mechanical properties, and stability of the prepared hydrogel were characterized. The successful immobilization of YIGSR peptide on the PAM hydrogel was monitored using FTIR, immunofluorescence staining, and ELISA. The effects on adhesion, directional growth, and biological function of Schwann cells were evaluated. The results displayed that the anisotropic PAM hydrogel micropatterns with inner porous structure possessed good stability, swelling, and mechanical properties. The YIGSR peptide could be well immobilized on hydrogel micropatterns with a percentage of 62.6%. The biofunctionalized anisotropic hydrogel micropatterns could effectively regulate the orientation growth of Schwann cells, and obviously up-regulate BDNF (40%) and β-actin (50%) expression compared with single hydrogel micropatterns, without negatively affecting the normal secretion of neurotropic factors by Schwann cells. To the best of our knowledge, this is the first time to study the construction and effect of biofunctionalized anisotropic hydrogel micropatterns on nerve regeneration, which may provide an experimental and theoretical basis for the design and development of artificial implants for nerve regeneration application.
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Affiliation(s)
| | - Shenjie Li
- Medical School of Nantong University , 226001 , Nantong , P.R. China
| | | | | | - Zedong Sun
- Medical School of Nantong University , 226001 , Nantong , P.R. China
| | - Siqi Li
- Medical School of Nantong University , 226001 , Nantong , P.R. China
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47
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Cai Z, Shi J, Li W, Wu Y, Zhang Y, Zhang S, Jiang Z. Mussel-Inspired pH-Switched Assembly of Capsules with an Ultrathin and Robust Nanoshell. ACS APPLIED MATERIALS & INTERFACES 2019; 11:28228-28235. [PMID: 31310494 DOI: 10.1021/acsami.9b11445] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Enclosed films, also called capsules, bearing an ultrathin and robust nanoshell have sparked much interest for use in many applications, for which facile preparation methods are urgently pursued. Inspired by the pH-programmed adhesion/cohesion of mussel-secreted foot proteins, polyphenol/polyamine capsules with an ultrathin and robust nanoshell are fabricated through a pH-switched assembly on sacrificial calcium carbonate (CaCO3) templates. Polyphenols adhere to the templates at pH 6.0 and rapidly cohere with polyamines at pH 8.0. The pH-switched assembly process is accomplished in only a few minutes where multiple instances of electrostatic interactions and chemical conjugation between polyphenols and polyamines occur. As a result, the capsules exhibit a nanoshell thickness of ∼10 nm and a superior mechanical strength of ∼1.575 GPa (elasticity modulus). Cell mimics are prepared through encasing enzymes in the lumen and present an activity recovery of ∼70% along with little activity decline during reuse. Amine or phenolic groups on the nanoshell of capsules are then applied to induce the generation of titania or silver nanoparticles, which may expand the applications of the capsules to the photo- and biorelated realms. Our study not only deepens the understanding of the adhering process of mussels but also offers a generic method toward functional materials for diverse applications.
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Affiliation(s)
- Ziyi Cai
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
| | - Jiafu Shi
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
| | | | - Yizhou Wu
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
| | - Yishan Zhang
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
| | - Shaohua Zhang
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
| | - Zhongyi Jiang
- State Key Laboratory of Bioreactor Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , 92 Weijin Road , Nankai District, Tianjin 300072 , P. R. China
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Wang Y, Qi H, Miron RJ, Zhang Y. Modulating macrophage polarization on titanium implant surface by poly(dopamine)-assisted immobilization of IL4. Clin Implant Dent Relat Res 2019; 21:977-986. [PMID: 31373150 DOI: 10.1111/cid.12819] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 05/14/2019] [Accepted: 06/29/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND In the past few decades, very little research has been carried out to modify implant surfaces to improve osteointegration through the regulation of immune cells. PURPOSE The aim of this study is to investigate whether the poly(dopamine) (pDA)-assisted immobilization of IL4 on titanium surfaces could modulate the inflammatory profile of macrophages in vitro and search for the possibility of enhancing implant integration in this way. MATERIAL AND METHODS The surface composition, topography, and roughness of SLA, SLA-pDA, and SLA-pDA-IL4 discs were examined by scanning electron microscope (SEM) and energy dispersive spectrometer (EDS). Then the releasing profile of the SLA-pDA-IL4 implants was recorded for 1 week and the bioactivity of released IL4 was investigated by ELISA. Then macrophage polarization was investigated via three methods including: (a) surface marker via immunofluorescence; (b) mRNA levels of M1 and M2 polarization markers via real-time PCR, and (c) cytokine release via ELISA. RESULTS SEM and EDS revealed that pDA and IL4 were coated successfully on SLA surfaces. The ELISA results showed that IL4 remained its bioactivity on SLA surface and were immobilized on the SLA surface. The immobilization of IL4 through pDA has no significant influence on the attachment, morphology, and proliferation of macrophages, while it increased the M2/M1 proportion in human macrophages revealed by immunofluorescence. The real-time PCR and ELISA results demonstrated that SLA-pDA-IL4 surface reduced the pro-inflammatory profile compared with SLA-pDA and SLA surfaces. CONCLUSIONS The SLA-pDA-IL4 surfaces described here is able to activate adherent macrophages into M2 phenotype and reduce the release of pro-inflammatory cytokines. Immobilization of IL4 via pDA is convenient and effective, thus providing an applicable way to control macrophage behavior upon implant insertion and is anticipated to accelerating further bone integration.
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Affiliation(s)
- Yulan Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Haoning Qi
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Richard J Miron
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Yufeng Zhang
- Department of Oral Implantology, School of Stomatology, Wuhan University, Wuhan, Hubei, China
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Liu J, Tang Y, Yang W, Tao B, He Y, Shen X, Shen T, Lin C, Cai K. Functionalization of titanium substrate with multifunctional peptide OGP-NAC for the regulation of osteoimmunology. Biomater Sci 2019; 7:1463-1476. [PMID: 30666999 DOI: 10.1039/c8bm01611a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The immune response to an orthopedic implant is closely related to the nearby bone metabolism balance. To modify titanium (Ti) substrates and accordingly regulate the balance between osteoclast activation and osteoblast differentiation, a multifunctional peptide OGP-NAC was synthesized via conjugating an osteogenic growth peptide (OGP) with N-acetylcysteine (NAC). Then, the synthesized peptide was employed to functionalize Ti substrates and the response of both osteoblasts and osteoclasts was investigated in vitro. The results showed that OGP-NAC was successfully prepared and immobilized onto Ti substrate surfaces. Thereafter, studies on introducing RAW 264.7 cells (one kind of monocyte macrophage responsible for immune responses) to osteoclasts demonstrated that the peptide modified Ti surface could inhibit RAW 264.7 cells from secreting important inflammatory cytokines (TNF-α and IL-1β), and suppress the activation of MAPK, NF-κB and NFAT c1, which are important transcription factors for osteoclastogenesis. Meanwhile, the modified surface promoted osteoblast spreading, proliferation and differentiation. The study offers a feasible strategy to mediate the balance between osteoclast activation and osteoblast differentiation, having great potential for improving osseointegration of an orthopedic implant.
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Affiliation(s)
- Ju Liu
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
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Li L, Shi X, Wang Z, Guo M, Wang Y, Jiao Z, Zhang P. Porous Scaffolds of Poly(lactic-co-glycolic acid) and Mesoporous Hydroxyapatite Surface Modified by Poly(γ-benzyl-l-glutamate) (PBLG) for in Vivo Bone Repair. ACS Biomater Sci Eng 2019; 5:2466-2481. [DOI: 10.1021/acsbiomaterials.8b01614] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Linlong Li
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
| | - Xincui Shi
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
| | - Yu Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
| | - Zixue Jiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, P. R. China
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