1
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He Z, Liu Y, Zheng ZL, Lv JC, Liu SB, Zhang J, Liu HH, Xu JZ, Li ZM, Luo E. Periodic Lamellae-Based Nanofibers for Precise Immunomodulation to Treat Inflammatory Bone Loss in Periodontitis. Adv Healthc Mater 2024; 13:e2303549. [PMID: 38333940 DOI: 10.1002/adhm.202303549] [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: 10/16/2023] [Revised: 01/30/2024] [Indexed: 02/10/2024]
Abstract
Periodontitis is a common oral disease accompanied by inflammatory bone loss. The pathological characteristics of periodontitis usually accompany an imbalance in the periodontal immune microenvironment, leading to difficulty in bone regeneration. Therefore, effective treatment strategies are needed to modulate the immune environment in order to treat periodontitis. Here, highly-oriented periodic lamellae poly(ε-caprolactone) electrospun nanofibers (PLN) are developed by surface-directed epitaxial crystallization. The in vitro result shows that the PLN can precisely modulate macrophage polarization toward the M2 phenotype. Macrophages polarized by PLN significantly enhance the migration and osteogenic differentiation of Bone marrow stromal cells. Notably, results suggest that the topographical cues presented by PLN can modulate macrophage polarization by activating YAP, which reciprocally inhibits the NF-κB signaling pathway. The in vivo results indicate that PLN can inhibit inflammatory bone loss and facilitate bone regeneration in periodontitis. The authors' findings suggest that topographical nanofibers with periodic lamellae is a promising strategy for modulating immune environment to treat inflammatory bone loss in periodontitis.
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Affiliation(s)
- Ze He
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yao Liu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Zi-Li Zheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Jia-Cheng Lv
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Shi-Bo Liu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ju Zhang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Hang-Hang Liu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Jia-Zhuang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Zhong-Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - En Luo
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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2
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Shi S, Ou X, Cheng D. How Advancing is Peripheral Nerve Regeneration Using Nanofiber Scaffolds? A Comprehensive Review of the Literature. Int J Nanomedicine 2023; 18:6763-6779. [PMID: 38026517 PMCID: PMC10657550 DOI: 10.2147/ijn.s436871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/02/2023] [Indexed: 12/01/2023] Open
Abstract
Peripheral nerve injuries present significant challenges in regenerative medicine, primarily due to inherent limitations in the body's natural healing processes. In response to these challenges and with the aim of enhancing peripheral nerve regeneration, nanofiber scaffolds have emerged as a promising and advanced intervention. However, a deeper understanding of the underlying mechanistic foundations that drive the favorable contributions of nanofiber scaffolds to nerve regeneration is essential. In this comprehensive review, we make an exploration of the latent potential of nanofiber scaffolds in augmenting peripheral nerve regeneration. This exploration includes a detailed introduction to the fabrication methods of nanofibers, an analysis of the intricate interactions between these scaffolds and cellular entities, an examination of strategies related to the controlled release of bioactive agents, an assessment of the prospects for clinical translation, an exploration of emerging trends, and thorough considerations regarding biocompatibility and safety. By comprehensively elucidating the intricate structural attributes and multifaceted functional capacities inherent in nanofiber scaffolds, we aim to offer a prospective and effective strategy for the treatment of peripheral nerve injury.
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Affiliation(s)
- Shaoyan Shi
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Xuehai Ou
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
| | - Deliang Cheng
- Department of Hand Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an Honghui Hospital North District, Xi’an, Shaanxi, 710000, People’s Republic of China
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3
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Zahra FT, Quick Q, Mu R. Electrospun PVA Fibers for Drug Delivery: A Review. Polymers (Basel) 2023; 15:3837. [PMID: 37765691 PMCID: PMC10536586 DOI: 10.3390/polym15183837] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/14/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023] Open
Abstract
Innovation in biomedical science is always a field of interest for researchers. Drug delivery, being one of the key areas of biomedical science, has gained considerable significance. The utilization of simple yet effective techniques such as electrospinning has undergone significant development in the field of drug delivery. Various polymers such as PEG (polyethylene glycol), PLGA (Poly(lactic-co-glycolic acid)), PLA(Polylactic acid), and PCA (poly(methacrylate citric acid)) have been utilized to prepare electrospinning-based drug delivery systems (DDSs). Polyvinyl alcohol (PVA) has recently gained attention because of its biocompatibility, biodegradability, non-toxicity, and ideal mechanical properties as these are the key factors in developing DDSs. Moreover, it has shown promising results in developing DDSs individually and when combined with natural and synthetic polymers such as chitosan and polycaprolactone (PCL). Considering the outstanding properties of PVA, the aim of this review paper was therefore to summarize these recent advances by highlighting the potential of electrospun PVA for drug delivery systems.
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Affiliation(s)
- Fatima T. Zahra
- TIGER Institute, Tennessee State University, Nashville, TN 37209, USA
| | - Quincy Quick
- Department of Biological Sciences, Tennessee State University, Nashville, TN 37209, USA
| | - Richard Mu
- TIGER Institute, Tennessee State University, Nashville, TN 37209, USA
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4
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Liu Y, Liu Y, Bai Z, Wang D, Xu Y, Li Q. Nanofibrous polytetrafluoroethylene/poly(ε-caprolactone) membrane with hierarchical structures for vascular patch. J Tissue Eng Regen Med 2022; 16:1163-1172. [PMID: 36330594 DOI: 10.1002/term.3354] [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: 03/23/2022] [Revised: 09/01/2022] [Accepted: 09/27/2022] [Indexed: 11/06/2022]
Abstract
With the prevalence of cardiovascular diseases, developing cardiovascular supplements is becoming increasingly urgent. The ability of cells to rapidly adhere and proliferate to achieve endothelialization is extremely important for vascular grafts. In this work, we electrospun polytetrafluoroethylene (PTFE) nanofibrous membranes and used induced crystallization to manufacture poly(ε-caprolactone) (PCL) shish-kebab microstructures on PTFE nanofibers to overcome the inertness of PTFE, and promote cell adhesion and proliferation. PCL lamella periodically grew on the surface of PTFE nanofibers yielding a hierarchical structure, which improved the biocompatibility and mechanical properties of the PTFE nanofibrous membrane. The deposition of PCL lamella improved the hydrophilicity of electrospun PTFE nanofibers membrane, leading to good cell proliferation and adhesion. Also, due to the surface inertness of the substrate material PTFE, this PTFE/PCL composite film has good anti-platelet adhesion properties. Furthermore, cell proliferation could be regulated by controlling the integrity of the PCL crystal network. The vascular patch showed similar mechanical properties to natural blood vessels, providing a new strategy for vascular tissue engineering.
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Affiliation(s)
- Yulu Liu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou, China
| | - Ya Liu
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou, China.,School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, China
| | - Zhiyuan Bai
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou, China.,School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, China
| | - Dongfang Wang
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou, China.,School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, China
| | - Yiyang Xu
- Henan NanoNew Material Technology Co., LTD, Zhengzhou, China
| | - Qian Li
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou, China.,School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, China
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5
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Structure and Morphology of Poly(ε-caprolactone) Heterogeneous Shish-Kebab Structure Induced by Poly(lactic acid) Nanofibers. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2747-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Guo M, Wang X, Liu Y, Yu H, Dong J, Cui Z, Bai Z, Li K, Li Q. Hierarchical Shish-Kebab Structures Functionalizing Nanofibers for Controlled Drug Release and Improved Antithrombogenicity. Biomacromolecules 2022; 23:1337-1349. [PMID: 35235295 DOI: 10.1021/acs.biomac.1c01572] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The functionalization of the fibrous scaffolds including drug loading and release is of significance in tissue engineering and regenerative medicine. Our previous results have shown that the shish-kebab structure-modified fibrous scaffold shows a completely different microenvironment that mimics the topography of the collagen fibers, which interestingly facilitates the cell adhesion and migration. However, the functionalization of the unique structure needs to be further investigated. In this study, we modified the heparin-loaded fiber with a shish-kebab structure and tuned the kebab structure as the barrier for the sustained release of heparin. The introduction of the kebab structure increases the diffusion energy barrier by extending the diffusion distance. Moreover, the discontinued surface topography of the shish-kebab structure altered the surface chemistry from hydrophobic for the original poly(ε-caprolactone) (PCL) nanofibers to hydrophilic for the PCL nanofibers with the shish-kebab structure, which might have inhibited the activation of fibrinogen and thus improved the anticoagulant ability. This synergistic effect of heparin and the kebab structure significantly promotes the endothelial cell affinity and antithrombogenicity. This method might be a viable and versatile drug delivery strategy in vascular tissue engineering.
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Affiliation(s)
- Meng Guo
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaofeng Wang
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Yajing Liu
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Haichang Yu
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Jiahui Dong
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China.,School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zhixiang Cui
- Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350118, China
| | - Zhiyuan Bai
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Kecheng Li
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Qian Li
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, China.,National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
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7
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Lopez Marquez A, Gareis IE, Dias FJ, Gerhard C, Lezcano MF. How Fiber Surface Topography Affects Interactions between Cells and Electrospun Scaffolds: A Systematic Review. Polymers (Basel) 2022; 14:polym14010209. [PMID: 35012232 PMCID: PMC8747153 DOI: 10.3390/polym14010209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 12/29/2021] [Indexed: 01/02/2023] Open
Abstract
Electrospun scaffolds have a 3D fibrous structure that attempts to imitate the extracellular matrix in order to be able to host cells. It has been reported in the literature that controlling fiber surface topography produces varying results regarding cell–scaffold interactions. This review analyzes the relevant literature concerning in vitro studies to provide a better understanding of the effect that controlling fiber surface topography has on cell–scaffold interactions. A systematic approach following PRISMA, GRADE, PICO, and other standard methodological frameworks for systematic reviews was used. Different topographic interventions and their effects on cell–scaffold interactions were analyzed. Results indicate that nanopores and roughness on fiber surfaces seem to improve proliferation and adhesion of cells. The quality of the evidence is different for each studied cell–scaffold interaction, and for each studied morphological attribute. The evidence points to improvements in cell–scaffold interactions on most morphologically complex fiber surfaces. The discussion includes an in-depth evaluation of the indirectness of the evidence, as well as the potentially involved publication bias. Insights and suggestions about dose-dependency relationship, as well as the effect on particular cell and polymer types, are presented. It is concluded that topographical alterations to the fiber surface should be further studied, since results so far are promising.
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Affiliation(s)
- Alex Lopez Marquez
- Faculty of Engineering and Health, University of Applied Sciences and Arts, 37085 Göttingen, Germany; (A.L.M.); (C.G.)
| | - Iván Emilio Gareis
- Laboratorio de Cibernética, Departamento de Bioingeniería, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde 3100, Argentina;
| | - Fernando José Dias
- Research Centre for Dental Sciences CICO, Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4811230, Chile;
| | - Christoph Gerhard
- Faculty of Engineering and Health, University of Applied Sciences and Arts, 37085 Göttingen, Germany; (A.L.M.); (C.G.)
| | - María Florencia Lezcano
- Laboratorio de Cibernética, Departamento de Bioingeniería, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde 3100, Argentina;
- Research Centre for Dental Sciences CICO, Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4811230, Chile;
- Correspondence:
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8
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Zhang Y, Wang X, Zhang Y, Liu Y, Wang D, Yu X, Wang H, Bai Z, Jiang YC, Li X, Zheng W, Li Q. Endothelial Cell Migration Regulated by Surface Topography of Poly(ε-caprolactone) Nanofibers. ACS Biomater Sci Eng 2021; 7:4959-4970. [PMID: 34543012 DOI: 10.1021/acsbiomaterials.1c00951] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The study of cell migration on biomaterials is of great significance in tissue engineering and regenerative medicine. In recent years, there has been increasing evidence that the physical properties of the extracellular matrix (ECM), such as surface topography, affect various cellular behaviors such as proliferation, adhesion, and migration. However, the biological mechanism of surface topography influencing cellular behavior is still unclear. In this study, we prepared polycaprolactone (PCL) fibrous materials with different surface microstructures by solvent casting, electrospinning, and self-induced crystallization. The corresponding topographical structure obtained is a two-dimensional (2D) flat surface, 2.5-dimensional (2.5D) fibers, and three-dimensional (3D) fibers with a multilevel microstructure. We then investigated the effects of the complex topographical structure on endothelial cell migration. Our study demonstrates that cells can sense the changes of micro- and nanomorphology on the surface of materials, adapt to the physical environment through biochemical reactions, and regulate actin polymerization and directional migration through Rac1 and Cdc42. The cells on the nanofibers are elongated spindles, and the positive feedback of cell adhesion and actin polymerization along the fiber direction makes the plasma membrane continue to protrude, promoting cell polarization and directional migration. This study might provide new insights into the biomaterial design, especially those used for artificial vascular grafts.
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Affiliation(s)
- Yang Zhang
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaofeng Wang
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Yan Zhang
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Yajing Liu
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Dongfang Wang
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Xueke Yu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Haonan Wang
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Zhiyuan Bai
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Yong-Chao Jiang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaomeng Li
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Wei Zheng
- Engineering and Technology Department, University of Wisconsin-STOUT, Menomonie, Wisconsin 54751, United States
| | - Qian Li
- School of Mechanics and Safety Engineering, National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, China
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9
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Ding H, Hu Y, Cheng Y, Yang H, Gong Y, Liang S, Wei Y, Huang D. Core-Shell Nanofibers with a Shish-Kebab Structure Simulating Collagen Fibrils for Bone Tissue Engineering. ACS APPLIED BIO MATERIALS 2021; 4:6167-6174. [PMID: 35006871 DOI: 10.1021/acsabm.1c00493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The repair of bone defects is one of the great challenges facing modern orthopedics clinics. Bone tissue engineering scaffold with a nanofibrous structure similar to the original microstructure of a bone is beneficial for bone tissue regeneration. Here, a core-shell nanofibrous membrane (MS), MS containing glucosamine (MS-GLU), MS with a shish-kebab (SK) structure (SKMS), and MS-GLU with a SK structure (SKMS-GLU) were prepared by micro-sol electrospinning technology and a self-induced crystallization method. The diameter of MS nanofibers was 50-900 nm. Contact angle experiments showed that the hydrophilicity of SKMS was moderate, and its contact angle was as low as 72°. SK and GLU have a synergistic effect on cell growth. GLU in the core of MS was demonstrated to obviously promote MC3T3-E1 cell proliferation. At the same time, the SK structure grown on MS-GLU nanofibers mimicked natural collagen fibers, which facilitated MC3T3-E1 cell adhesion and differentiation. This study showed that a biomimetic SKMS-GLU nanofibrous membrane was a promising tissue engineering scaffold for bone defect repair.
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Affiliation(s)
- Huixiu Ding
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yinchun Hu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yizhu Cheng
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Hui Yang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yue Gong
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Shan Liang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Yan Wei
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China
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10
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Yu T, Petrovic M, Attia A, Galindo D, Staub MC, Kim S, Li CY, Marcolongo M. MC3T3 E1 cell response to mineralized nanofiber shish kebab structures. J Biomed Mater Res B Appl Biomater 2021; 109:1601-1610. [PMID: 33608965 DOI: 10.1002/jbm.b.34818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 01/14/2021] [Accepted: 02/01/2021] [Indexed: 01/10/2023]
Abstract
Block copolymers (BCPs) are of growing interest because of their extensive utility in tissue engineering, particularly in biomimetic approaches where multifunctionality is critical. We synthesized polycaprolactone-polyacrylic acid (PCL-b-PAA) BCP and crystallized it onto PCL nanofibers, making BCP nanofiber shish kebab (BCP NFSK) structures. When mineralized in 2× simulated body fluid, BCP NFSK mimic the structure of mineralized collagen fibrils. We hypothesized that the addition of a calcium phosphate layer of graded roughness on the nano-structure of the nanofiber shish kebabs would enhance preosteoblast alkaline phosphatase (ALP) activity, which has been shown to be a critical component in bone matrix formation. The objectives in the study were to investigate the effect of mineralization on cell proliferation and ALP activity, and to also investigate the effect of BCP NFSK periodicity, a structural feature describing the distance between PCL-b-PAA crystals on the nanofiber core, on cell proliferation, and ALP activity. ALP activity of cells cultured on the mineralized BCP NFSK template was significantly higher than the nonmineralized BCP NFSK templates. Interestingly, no statistical difference was observed in ALP activity when the periodic varied, indicating that surface chemistry seemed to play a larger role than the surface roughness.
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Affiliation(s)
- Tony Yu
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA.,School of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, Pennsylvania, USA
| | - Mark Petrovic
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
| | - Aria Attia
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
| | - Diego Galindo
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
| | - Mark C Staub
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
| | - Seyong Kim
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA.,Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea
| | - Christopher Y Li
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
| | - Michele Marcolongo
- Department of Material Science and Engineering, Drexel University, Philadelphia, Pennsylvania, USA
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11
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Huang C, Yang G, Zhou S, Luo E, Pan J, Bao C, Liu X. Controlled Delivery of Growth Factor by Hierarchical Nanostructured Core-Shell Nanofibers for the Efficient Repair of Critical-Sized Rat Calvarial Defect. ACS Biomater Sci Eng 2020; 6:5758-5770. [PMID: 33320572 DOI: 10.1021/acsbiomaterials.0c00837] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Electrospun nanofibers have received much attention as bone tissue-engineered scaffolds for their capacity to mimic the structure of natural extracellular matrix (ECM). Most studies have reproduced nanofibers with smooth surface for tissue engineering. This is quite different from the triple-helical nanotopography of natural collagen nanofibrils. In this study, hierarchical nanostructures were coated on the surface of drug-loaded core-shell nanofibers to mimic natural collagen nanofibrils. The nanoshish-kebab (SK) structure was decorated regularly on the surface of the nanofibers, and the inner-loaded bone morphogenetic protein 2 (BMP2) exhibited a gentle release pattern, similar to a zero-order release pattern in kinetics. The in vitro study also showed that the SK structure could accelerate cell proliferation, attachment, and osteogenic differentiation. Four groups of scaffolds were implanted in vivo to repair critical-sized rat calvarial defects: (1) PCL/PVA (control); (2) SK-PCL/PVA; (3) PCL/PVA-BMP2; and (4) SK-PCL/PVA-BMP2. Much more bone was formed in the SK-PCL/PVA group (24.57 ± 3.81%) than in the control group (1.21 ± 0.23%). The BMP2-loaded core-shell nanofibers with nanopatterned structure (SK-PCL/PVA-BMP2) displayed the best repair efficacy (76.38 ± 4.13%), followed by the PCL/PVA-BMP2 group (39.86 ± 5.74%). It was believed that the hierarchical nanostructured core-shell nanofibers could promote osteogeneration and that the SK structure showed synergistic ability with nanofiber-loaded BMP2 in vivo for bone regeneration. Thus, this BMP2-loaded core-shell nanofiber scaffold with hierarchical nanostructure holds great potential for bone tissue engineering applications.
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Affiliation(s)
- Chunpeng Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Guang Yang
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan 610031, P. R. China
| | - Shaobing Zhou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, P. R. China
| | - En Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Jian Pan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Chongyun Bao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Xian Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China.,Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, P. R. China
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12
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13
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Wang D, Xu Y, Wang L, Wang X, Ren C, Zhang B, Li Q, Thomson JA, Turng LS. Expanded Poly(tetrafluoroethylene) Blood Vessel Grafts with Embedded Reactive Oxygen Species (ROS)-Responsive Antithrombogenic Drug for Elimination of Thrombosis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:29844-29853. [PMID: 32496045 DOI: 10.1021/acsami.0c07868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Treatment of cardiovascular diseases suffers from the lack of transplantable small-diameter blood vessel (SDBV) grafts that can prohibit/eliminate thrombosis. Although expanded poly(tetrafluoroethylene) (ePTFE) has the potential to be used for SDBV grafts, recurrence of thrombus remains the biggest challenge. In this study, a reactive oxygen species (ROS)-responsive antithrombogenic drug synthesis and a bulk coating process were employed to fabricate functional ePTFE grafts capable of prohibiting/eliminating blood clots. The synthesized drug that would release antiplatelet ethyl salicylate (ESA), in responding to ROS, was dissolved in a polycaprolactone (PCL) solution, followed by a bulk coating of the as-fabricated ePTFE grafts with the PCL/drug solution. Nuclear magnetic resonance (NMR) spectroscopy, Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and atomic force microscopy (AFM) were employed to investigate and confirm the synthesis and presence of the ROS-responsive drug in the ePTFE grafts. The ESA release functions were demonstrated via the drug-release profile and dynamic anticoagulation tests. The biocompatibility of the ROS-responsive ePTFE grafts was demonstrated via lactate dehydrogenase (LDH) cytotoxicity assays, live and dead cell assays, cell morphology, and cell-graft interactions. The ROS-responsive, antithrombogenic ePTFE grafts provide a feasible way for maintaining long-term patency, potentially solving a critical challenge in SDBV applications.
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Affiliation(s)
- Dongfang Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Yiyang Xu
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Lixia Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xiaofeng Wang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Cuihong Ren
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Bo Zhang
- School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Qian Li
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - James A Thomson
- Morgridge Institute for Research, University of Wisconsin-Madison, Wisconsin 53715, United States
| | - Lih-Sheng Turng
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
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14
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Reifenrath J, Wellmann M, Kempfert M, Angrisani N, Welke B, Gniesmer S, Kampmann A, Menzel H, Willbold E. TGF-β3 Loaded Electrospun Polycaprolacton Fibre Scaffolds for Rotator Cuff Tear Repair: An in Vivo Study in Rats. Int J Mol Sci 2020; 21:E1046. [PMID: 32033294 PMCID: PMC7036781 DOI: 10.3390/ijms21031046] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/27/2020] [Accepted: 02/04/2020] [Indexed: 12/21/2022] Open
Abstract
Biological factors such as TGF-β3 are possible supporters of the healing process in chronic rotator cuff tears. In the present study, electrospun chitosan coated polycaprolacton (CS-g-PCL) fibre scaffolds were loaded with TGF-β3 and their effect on tendon healing was compared biomechanically and histologically to unloaded fibre scaffolds in a chronic tendon defect rat model. The biomechanical analysis revealed that tendon-bone constructs with unloaded scaffolds had significantly lower values for maximum force compared to native tendons. Tendon-bone constructs with TGF-β3-loaded fibre scaffolds showed only slightly lower values. In histological evaluation minor differences could be observed. Both groups showed advanced fibre scaffold degradation driven partly by foreign body giant cell accumulation and high cellular numbers in the reconstructed area. Normal levels of neutrophils indicate that present mast cells mediated rather phagocytosis than inflammation. Fibrosis as sign of foreign body encapsulation and scar formation was only minorly present. In conclusion, TGF-β3-loading of electrospun PCL fibre scaffolds resulted in more robust constructs without causing significant advantages on a cellular level. A deeper investigation with special focus on macrophages and foreign body giant cells interactions is one of the major foci in further investigations.
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Affiliation(s)
- Janin Reifenrath
- Department of Orthopaedic Surgery, Hannover Medical School, Anna–von–Borries Str. 1–3, 30625 Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
| | - Mathias Wellmann
- Department of Orthopaedic Surgery, Hannover Medical School, Anna–von–Borries Str. 1–3, 30625 Hannover, Germany
| | - Merle Kempfert
- Department of Orthopaedic Surgery, Hannover Medical School, Anna–von–Borries Str. 1–3, 30625 Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
| | - Nina Angrisani
- Department of Orthopaedic Surgery, Hannover Medical School, Anna–von–Borries Str. 1–3, 30625 Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
| | - Bastian Welke
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic Surgery, Hannover Medical School, Haubergstraße 3, 30625 Hannover, Germany
| | - Sarah Gniesmer
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
- Clinic for Cranio–Maxillo–Facial Surgery, Hannover Medical School, Carl–Neuberg–Straße 1, 30625 Hannover, Germany
| | - Andreas Kampmann
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
- Clinic for Cranio–Maxillo–Facial Surgery, Hannover Medical School, Carl–Neuberg–Straße 1, 30625 Hannover, Germany
| | - Henning Menzel
- Institute for Technical Chemistry, Braunschweig University of Technology, Hagenring 30, 38106 Braunschweig, Germany
| | - Elmar Willbold
- Department of Orthopaedic Surgery, Hannover Medical School, Anna–von–Borries Str. 1–3, 30625 Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Stadtfelddamm 34, 30625 Hannover, Germany
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15
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Gniesmer S, Brehm R, Hoffmann A, de Cassan D, Menzel H, Hoheisel AL, Glasmacher B, Willbold E, Reifenrath J, Ludwig N, Zimmerer R, Tavassol F, Gellrich NC, Kampmann A. Vascularization and biocompatibility of poly(ε-caprolactone) fiber mats for rotator cuff tear repair. PLoS One 2020; 15:e0227563. [PMID: 31929570 PMCID: PMC6957163 DOI: 10.1371/journal.pone.0227563] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 12/20/2019] [Indexed: 12/22/2022] Open
Abstract
Rotator cuff tear is the most frequent tendon injury in the adult population. Despite current improvements in surgical techniques and the development of grafts, failure rates following tendon reconstruction remain high. New therapies, which aim to restore the topology and functionality of the interface between muscle, tendon and bone, are essentially required. One of the key factors for a successful incorporation of tissue engineered constructs is a rapid ingrowth of cells and tissues, which is dependent on a fast vascularization. The dorsal skinfold chamber model in female BALB/cJZtm mice allows the observation of microhemodynamic parameters in repeated measurements in vivo and therefore the description of the vascularization of different implant materials. In order to promote vascularization of implant material, we compared a porous polymer patch (a commercially available porous polyurethane based scaffold from Biomerix™) with electrospun polycaprolactone (PCL) fiber mats and chitosan-graft-PCL coated electrospun PCL (CS-g-PCL) fiber mats in vivo. Using intravital fluorescence microscopy microcirculatory parameters were analyzed repetitively over 14 days. Vascularization was significantly increased in CS-g-PCL fiber mats at day 14 compared to the porous polymer patch and uncoated PCL fiber mats. Furthermore CS-g-PCL fiber mats showed also a reduced activation of immune cells. Clinically, these are important findings as they indicate that the CS-g-PCL improves the formation of vascularized tissue and the ingrowth of cells into electrospun PCL scaffolds. Especially the combination of enhanced vascularization and the reduction in immune cell activation at the later time points of our study points to an improved clinical outcome after rotator cuff tear repair.
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Affiliation(s)
- Sarah Gniesmer
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
| | - Ralph Brehm
- Institute for Anatomy, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Andrea Hoffmann
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
- Department of Orthopedic Surgery, Laboratory for Biomechanics and Biomaterials, Graded Implants and Regenerative Strategies, Hannover Medical School, Hannover, Germany
| | - Dominik de Cassan
- Institute for Technical Chemistry, Braunschweig University of Technology, Braunschweig, Germany
| | - Henning Menzel
- Institute for Technical Chemistry, Braunschweig University of Technology, Braunschweig, Germany
| | - Anna Lena Hoheisel
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
- Institute of Multiphase Processes, Leibniz University Hannover, Hannover, Germany
| | - Birgit Glasmacher
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
- Institute of Multiphase Processes, Leibniz University Hannover, Hannover, Germany
| | - Elmar Willbold
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
- Department of Orthopedic Surgery, Hannover Medical School, Hannover, Germany
| | - Janin Reifenrath
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
- Department of Orthopedic Surgery, Hannover Medical School, Hannover, Germany
| | - Nils Ludwig
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America
| | - Ruediger Zimmerer
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
| | - Frank Tavassol
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
| | - Nils-Claudius Gellrich
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
| | - Andreas Kampmann
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
- NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
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16
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Guo X, Wang X, Li X, Jiang YC, Han S, Ma L, Guo H, Wang Z, Li Q. Endothelial Cell Migration on Poly(ε-caprolactone) Nanofibers Coated with a Nanohybrid Shish-Kebab Structure Mimicking Collagen Fibrils. Biomacromolecules 2020; 21:1202-1213. [DOI: 10.1021/acs.biomac.9b01638] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xin Guo
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Xiaofeng Wang
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Xuyan Li
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Yong-Chao Jiang
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 45001, China
| | - Shanshan Han
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Lei Ma
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 45001, China
| | - Haiyang Guo
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Zhenxing Wang
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
| | - Qian Li
- School of Mechanics Science and Security Engineering, Zhengzhou University, Zhengzhou 45001, China
- National Center for International Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 45001, China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 45001, China
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17
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Willbold E, Wellmann M, Welke B, Angrisani N, Gniesmer S, Kampmann A, Hoffmann A, Cassan D, Menzel H, Hoheisel AL, Glasmacher B, Reifenrath J. Possibilities and limitations of electrospun chitosan‐coated polycaprolactone grafts for rotator cuff tear repair. J Tissue Eng Regen Med 2019; 14:186-197. [DOI: 10.1002/term.2985] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 09/27/2019] [Accepted: 10/17/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Elmar Willbold
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
| | - Mathias Wellmann
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
| | - Bastian Welke
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
| | - Nina Angrisani
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
| | - Sarah Gniesmer
- Clinic for Cranio‐Maxillo‐Facial SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
| | - Andreas Kampmann
- Clinic for Cranio‐Maxillo‐Facial SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
| | - Andrea Hoffmann
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
| | - Dominik Cassan
- Institute for Technical ChemistryBraunschweig University of Technology Braunschweig Germany
| | - Henning Menzel
- Institute for Technical ChemistryBraunschweig University of Technology Braunschweig Germany
| | - Anna Lena Hoheisel
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
- Institute for Multiphase ProcessesLeibniz University Hannover Hannover Germany
| | - Birgit Glasmacher
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
- Institute for Multiphase ProcessesLeibniz University Hannover Hannover Germany
| | - Janin Reifenrath
- Laboratory for Biomechanics and Biomaterials, Department of Orthopaedic SurgeryHannover Medical School Hannover Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE)Hannover Medical School Hannover Germany
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18
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Dave K, Gomes VG. Interactions at scaffold interfaces: Effect of surface chemistry, structural attributes and bioaffinity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110078. [PMID: 31546353 DOI: 10.1016/j.msec.2019.110078] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 08/12/2019] [Accepted: 08/12/2019] [Indexed: 01/01/2023]
Abstract
Effective regenerative medicine relies on understanding the interplay between biomaterial implants and the adjoining cells. Scaffolds contribute by presenting sites for cellular adhesion, growth, proliferation, migration, and differentiation which lead to regeneration of tissues over desired periods of time. The fabrication and recruitment of scaffolds often fail to consider the interactions that occur at the interfaces, thereby risking rejection. This lack of knowledge on interfacial microenvironments and related exchanges often causes reduced cellular interactions, poor cell survival and intervention failure. Successful regenerative therapy requires scaffolds with bespoke biocompatibility, optimum pore structure, and cues for cell attachments. These factors determine the development of cellular affinity in scaffolds. For biomedical applications, a detailed understanding of scaffolds and their interfaces is required for better tuning of biomaterials to suit the microenvironments. In this review, we discuss the role of biointerfaces with a focus on surface chemistry, pore structure, scaffold hydro-affinity and their biointeractions. An understanding of the effect of scaffold interfacial properties is crucial for enhancing the progress of tissue engineering towards clinical applications.
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Affiliation(s)
- Khyati Dave
- The University of Sydney, School of Chemical and Biomolecular Engineering, Sydney, NSW 2006, Australia
| | - Vincent G Gomes
- The University of Sydney, School of Chemical and Biomolecular Engineering, Sydney, NSW 2006, Australia.
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19
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Niu Z, Wang X, Meng X, Guo X, Jiang Y, Xu Y, Li Q, Shen C. Controllable fiber orientation and nonlinear elasticity of electrospun nanofibrous small diameter tubular scaffolds for vascular tissue engineering. Biomed Mater 2019; 14:035006. [DOI: 10.1088/1748-605x/ab07f1] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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20
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Li X, Wang X, Yao D, Jiang J, Guo X, Gao Y, Li Q, Shen C. Effects of aligned and random fibers with different diameter on cell behaviors. Colloids Surf B Biointerfaces 2018; 171:461-467. [DOI: 10.1016/j.colsurfb.2018.07.045] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 06/06/2018] [Accepted: 07/20/2018] [Indexed: 11/29/2022]
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21
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Su T, Huang K, Daniele MA, Hensley MT, Young AT, Tang J, Allen TA, Vandergriff AC, Erb PD, Ligler FS, Cheng K. Cardiac Stem Cell Patch Integrated with Microengineered Blood Vessels Promotes Cardiomyocyte Proliferation and Neovascularization after Acute Myocardial Infarction. ACS APPLIED MATERIALS & INTERFACES 2018; 10:33088-33096. [PMID: 30188113 PMCID: PMC6376980 DOI: 10.1021/acsami.8b13571] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Cardiac stem cell (CSC) therapy has shown preclinical and clinical evidence for ischemic heart repair but is limited by low cellular engraftment and survival after transplantation. Previous versions of the cardiac patch strategy improve stem cell engraftment and encourage repair of cardiac tissue. However, cardiac patches that can enhance cardiomyogenesis and angiogenesis at the injured site remain elusive. Therapies that target cardiomyocyte proliferation and new blood vessel formation hold great potential for the protection against acute myocardial infarction (MI). Here, we report a new strategy for creating a vascularized cardiac patch in a facile and modular fashion by leveraging microfluidic hydrodynamic focusing to construct the biomimetic microvessels (BMVs) that include human umbilical vein endothelial cells (HUVECs) lining the luminal surface and then encapsulating the BMVs in a fibrin gel spiked with human CSCs. We show that the endothelialized BMVs mimicked the natural architecture and function of capillaries and that the resultant vascularized cardiac patch (BMV-CSC patch) exhibited equivalent release of paracrine factors compared to those of coculture of genuine human CSCs and HUVECs after 7 days of in vitro culture. In a rat model of acute MI, the BMV-CSC patch therapy induced profound mitotic activities of cardiomyocytes in the peri-infarct region 4 weeks post-treatment. A significant increase in myocardial capillary density was noted in the infarcted hearts that received BMV-CSC patch treatment compared to the infarcted hearts treated with conventional CSC patches. The striking therapeutic benefits and the fast and facile fabrication of the BMV-CSC patch make it promising for practical applications. Our findings suggest that the BMV-CSC patch strategy may open up new possibilities for the treatment of ischemic heart injury.
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Affiliation(s)
- Teng Su
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
| | - Ke Huang
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Michael A. Daniele
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Michael Taylor Hensley
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
| | - Ashlyn T. Young
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Junnan Tang
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
- Department of Cardiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Tyler A. Allen
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
| | - Adam C. Vandergriff
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
| | - Patrick D. Erb
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Frances S. Ligler
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Ke Cheng
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina 27695, United States
- Department of Molecular Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina 27607, United States
- Divison of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Corresponding Author:, . Phone: 919 513 6157. Fax: 919 513 7301
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22
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Yu T, Gleeson SE, Li CY, Marcolongo M. Electrospun poly(ε‐caprolactone) nanofiber shish kebabs mimic mineralized bony surface features. J Biomed Mater Res B Appl Biomater 2018; 107:1141-1149. [DOI: 10.1002/jbm.b.34207] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 07/06/2018] [Indexed: 12/24/2022]
Affiliation(s)
- Tony Yu
- Department of Material Science and Engineering Drexel University Philadelphia Pennsylvania
- School of Biomedical Engineering Science and Health Systems Drexel University Philadelphia Pennsylvania
| | - Sarah E. Gleeson
- Department of Material Science and Engineering Drexel University Philadelphia Pennsylvania
| | - Christopher Y. Li
- Department of Material Science and Engineering Drexel University Philadelphia Pennsylvania
| | - Michele Marcolongo
- Department of Material Science and Engineering Drexel University Philadelphia Pennsylvania
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23
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Nezakati T, Seifalian A, Tan A, Seifalian AM. Conductive Polymers: Opportunities and Challenges in Biomedical Applications. Chem Rev 2018; 118:6766-6843. [DOI: 10.1021/acs.chemrev.6b00275] [Citation(s) in RCA: 354] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Toktam Nezakati
- Google Inc.., Mountain View, California 94043, United States
- Centre for Nanotechnology and Regenerative Medicine, Division of Surgery and Interventional Science, University College London, London NW3 2QG, United Kingdom
| | - Amelia Seifalian
- UCL Medical School, University College London, London WC1E 6BT, United Kingdom
| | - Aaron Tan
- UCL Medical School, University College London, London WC1E 6BT, United Kingdom
| | - Alexander M. Seifalian
- NanoRegMed Ltd. (Nanotechnology and Regenerative Medicine Commercialization Centre), The London Innovation BioScience Centre, London NW1 0NH, United Kingdom
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24
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From nano to micro to macro: Electrospun hierarchically structured polymeric fibers for biomedical applications. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2017.12.003] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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25
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Attia AC, Yu T, Gleeson SE, Petrovic M, Li CY, Marcolongo M. A Review of Nanofiber Shish Kebabs and Their Potential in Creating Effective Biomimetic Bone Scaffolds. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2018. [DOI: 10.1007/s40883-018-0053-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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26
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Wang X, Gao Y, Xu Y, Li X, Jiang J, Hou J, Han W, Li Q, Shen C. A Prerequisite of the Poly(ε-Caprolactone) Self-Induced Nanohybrid Shish-Kebab Structure Formation: An Ordered Crystal Lamellae Orientation Morphology of Fibers. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700414] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiaofeng Wang
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
- State Key Laboratory of Molecular Engineering of Polymers (Fudan University); Shanghai 200433 China
| | - Yanhong Gao
- School of Materials Science & Engineering; Zhengzhou University; Zhengzhou 450001 China
| | - Yiyang Xu
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
| | - Xuyan Li
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
| | - Jing Jiang
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
| | - Jianhua Hou
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
| | - WenJuan Han
- School of Materials Science & Engineering; Zhengzhou University; Zhengzhou 450001 China
| | - Qian Li
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
| | - Changyu Shen
- National Center for International Research of Micro-Nano Molding Technology; Henan Key Laborotary of Micro Molding Technology; Zhengzhou University; Zhengzhou 450001 China
- School of Mechanics & Engineering Science; Zhengzhou University; Zhengzhou 450001 China
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27
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Taskin MB, Xia D, Besenbacher F, Dong M, Chen M. Nanotopography featured polycaprolactone/polyethyleneoxide microfibers modulate endothelial cell response. NANOSCALE 2017; 9:9218-9229. [PMID: 28654129 DOI: 10.1039/c7nr03326e] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Among many physical properties, surface nanotopography has been found to strongly affect cell adhesion, migration and other functions. Accurate biological interpretation requires the nanotopography to be presented in a three-dimensional (3D) micro-environment. Herein, immiscible blends of polycaprolactone (PCL)/polyethyleneoxide (PEO) were electrospun into a grounded coagulation bath, resulting in macroporous microfibers with nanotopography featured surfaces. Variations in PCL/PEO ratios enabled tunable surface nanotopographic structures, from longitudinal submicron grooves to transverse nano-lamellae. Chemical composition, crystallinity and quantitative nanomechanical analysis confirmed that the interplay of the two semi-crystalline immiscible polymers and the pairing of miscible solvents/non-solvents in both the electrospinning solution and the bath solution were critical for the formation of the secondary structure. It was found that the nanotopography features promoted the proliferation of human umbilical vein endothelial cells (HUVECs) compared with their smooth film counterparts. An analysis of the cell adhesion related markers, vinculin and phosphorylated focal adhesion kinase (pFAK), further revealed that the nanotopographies enhanced the nascent adhesion complex formation compared with smooth PCL fibers, even in the scaffolds with a high PEO content, which is often considered as a non-adhesive material.
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Affiliation(s)
- Mehmet Berat Taskin
- Interdisiplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus C, Denmark.
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28
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Le T, Collazos N, Simoneaux A, Murru S, Depan D, Subramaniam R. Statistical modelling and simulation of nanohybrid shish-kebab architecture of PE-b-PEG copolymers and carbon nanotubes. Phys Chem Chem Phys 2017; 19:13348-13360. [PMID: 28492681 DOI: 10.1039/c7cp00597k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbon nanotubes have been known to develop hierarchically ordered polymer nanocomposites by virtue of epitaxial crystallization. A unique product of CNT induced crystallization is generation of nanohybrid shish-kebab (NHSK) structure, which has gained tremendous attention owing to its unique applications. However, research faces major challenges in terms of producing tunable patterns on CNTs, which are largely governed by precise control of the crystallization parameters. Conventional methods of experimentation can mislead the effect of experimental conditions on NHSK structure. The effect of crystallization time, undercooling temperature and polymer concentration on the NHSK architecture of carbon nanotubes (CNTs) and on a block copolymer, polyethylene-b-polyethylene glycol (PE-b-PEG), was studied in this work by applying the Response Surface Methodology (RSM). The present novel investigation mainly reports the statistical models that can be used to predict the different NHSK structural features such as diameter, periodicity, and thickness by including the interaction and quadratic effects of experimental variables. The developed models are in very good agreement with the experimental data and are statistically significant. Our novel approach can be used to better understand the interplay between various crystallization parameters for periodic patterning on carbon nanotubes to generate tunable hierarchical structures.
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Affiliation(s)
- Tuan Le
- Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA 70503, USA.
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29
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Chen X, Gleeson SE, Yu T, Khan N, Yucha RW, Marcolongo M, Li CY. Hierarchically ordered polymer nanofiber shish kebabs as a bone scaffold material. J Biomed Mater Res A 2017; 105:1786-1798. [DOI: 10.1002/jbm.a.36039] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 02/08/2017] [Accepted: 02/10/2017] [Indexed: 01/23/2023]
Affiliation(s)
- Xi Chen
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Sarah E. Gleeson
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Tony Yu
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Nasreen Khan
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Robert W. Yucha
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Michele Marcolongo
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
| | - Christopher Y. Li
- Department of Materials Science and EngineeringDrexel UniversityPhiladelphia Pennsylvania19104
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30
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Yazgan G, Dmitriev RI, Tyagi V, Jenkins J, Rotaru GM, Rottmar M, Rossi RM, Toncelli C, Papkovsky DB, Maniura-Weber K, Fortunato G. Steering surface topographies of electrospun fibers: understanding the mechanisms. Sci Rep 2017; 7:158. [PMID: 28279011 PMCID: PMC5427888 DOI: 10.1038/s41598-017-00181-0] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 02/13/2017] [Indexed: 11/30/2022] Open
Abstract
A profound understanding of how to tailor surface topographies of electrospun fibers is of great importance for surface sensitive applications including optical sensing, catalysis, drug delivery and tissue engineering. Hereby, a novel approach to comprehend the driving forces for fiber surface topography formation is introduced through inclusion of the dynamic solvent-polymer interaction during fiber formation. Thus, the interplay between polymer solubility as well as computed fiber jet surface temperature changes in function of time during solvent evaporation and the resultant phase separation behavior are studied. The correlation of experimental and theoretical results shows that the temperature difference between the polymer solution jet surface temperature and the dew point of the controlled electrospinning environment are the main influencing factors with respect to water condensation and thus phase separation leading to the final fiber surface topography. As polymer matrices with enhanced surface area are particularly appealing for sensing applications, we further functionalized our nanoporous fibrous membranes with a phosphorescent oxygen-sensitive dye. The hybrid membranes possess high brightness, stability in aqueous medium, linear response to oxygen and hence represent a promising scaffold for cell growth, contactless monitoring of oxygen and live fluorescence imaging in 3-D cell models.
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Affiliation(s)
- Gökçe Yazgan
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biointerfaces, CH-9014, St. Gallen, Switzerland
| | - Ruslan I Dmitriev
- School of Biochemistry and Cell Biology, University College Cork, College Road, Cork, Ireland
| | - Vasundhara Tyagi
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland
| | - James Jenkins
- School of Biochemistry and Cell Biology, University College Cork, College Road, Cork, Ireland
| | - Gelu-Marius Rotaru
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Center for X-ray Analytics, CH-8600, Dübendorf, Switzerland
| | - Markus Rottmar
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biointerfaces, CH-9014, St. Gallen, Switzerland
| | - René M Rossi
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland
| | - Claudio Toncelli
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland
| | - Dmitri B Papkovsky
- School of Biochemistry and Cell Biology, University College Cork, College Road, Cork, Ireland
| | - Katharina Maniura-Weber
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biointerfaces, CH-9014, St. Gallen, Switzerland
| | - Giuseppino Fortunato
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, CH-9014, St. Gallen, Switzerland.
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31
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Xu Y, Zhang X, Wang X, Li X, Shen C, Wang X, Li Q. Simultaneous enhancements in the strength, modulus and toughness of electrospun polymeric membranes. RSC Adv 2017. [DOI: 10.1039/c7ra07739d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Fusion of fiber surfaces leads to simultaneous enhancements in the strength, modulus, and toughness of electrospun polymeric membranes.
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Affiliation(s)
- Yiyang Xu
- National Center for International Research of Micro-Nano Molding Technology
- Key Laboratory for Micro Molding Technology of Henan Province
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xuebing Zhang
- School of Mechanics & Engineering Science
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xuan Wang
- School of Mechanics & Engineering Science
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xuyan Li
- School of Mechanics & Engineering Science
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Changyu Shen
- School of Mechanics & Engineering Science
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xiaofeng Wang
- National Center for International Research of Micro-Nano Molding Technology
- Key Laboratory for Micro Molding Technology of Henan Province
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Qian Li
- National Center for International Research of Micro-Nano Molding Technology
- Key Laboratory for Micro Molding Technology of Henan Province
- Zhengzhou University
- Zhengzhou 450001
- China
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32
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Sharifi F, Patel BB, Dzuilko AK, Montazami R, Sakaguchi DS, Hashemi N. Polycaprolactone Microfibrous Scaffolds to Navigate Neural Stem Cells. Biomacromolecules 2016; 17:3287-3297. [PMID: 27598294 DOI: 10.1021/acs.biomac.6b01028] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fibrous scaffolds have shown promise in tissue engineering due to their ability to improve cell alignment and migration. In this paper, poly(ε-caprolactone) (PCL) fibers are fabricated in different sizes using a microfluidic platform. By using this approach, we demonstrated considerable flexibility in ability to control the size of the fibers. It was shown that the average diameter of the fibers was obtained in the range of 2.6-36.5 μm by selecting the PCL solution flow rate from 1 to 5 μL min-1 and the sheath flow rate from 20 to 400 μL min-1 in the microfluidic channel. The microfibers were used to create 3D microenvironments in order to investigate growth and differentiation of adult hippocampal stem/progenitor cells (AHPCs) in vitro. The results indicated that the 3D topography of the PCL substrates, along with chemical (extracellular matrix) guidance cues supported the adhesion, survival, and differentiation of the AHPCs. Additionally, it was found that the cell deviation angle for 44-66% of cells on different types of fibers was less than 10°. This reveals the functionality of PCL fibrous scaffolds for cell alignment important in applications such as reconnecting serious nerve injuries and guiding the direction of axon growth as well as regenerating blood vessels, tendons, and muscle tissue.
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Affiliation(s)
- Farrokh Sharifi
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
| | - Bhavika B Patel
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
| | - Adam K Dzuilko
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
| | - Reza Montazami
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
| | - Donald S Sakaguchi
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
| | - Nastaran Hashemi
- Department of Mechanical Engineering, ‡Department of Genetics, Development and Cell Biology and Neuroscience, and §Center of Advanced Host Defense Immunobiotics and Translational Medicine, Iowa State University , Ames, Iowa 50011, United States
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33
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Si J, Cui Z, Wang Q, Liu Q, Liu C. Biomimetic composite scaffolds based on mineralization of hydroxyapatite on electrospun poly(ɛ-caprolactone)/nanocellulose fibers. Carbohydr Polym 2016; 143:270-8. [PMID: 27083369 DOI: 10.1016/j.carbpol.2016.02.015] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Revised: 02/03/2016] [Accepted: 02/04/2016] [Indexed: 11/24/2022]
Abstract
A biomimetic nanocomposite scaffold with HA formation on the electrospun poly(ɛ-caprolactone) (PCL)/nanocellulose (NC) fibrous matrix was developed in this study. The electrospun PCL/NC fiber mat was built and then biomineralized by treatment in simulated body fluid (SBF). Using such a rapid and effective procedure, a continuous biomimetic crystalline HA layer could be successfully formed without the need of any additional chemical modification of the substrate surface. The results showed that the introduction of NC into composite fibers is an effective approach to induce the deposition of HA nucleus as well as to improve their distribution and growth of a crystalline HA layer on the fibrous scaffolds. The water contact angle (WCA) of the PCL/NC/HA scaffolds decreases with increasing NC content and mineralization time, resulting in the enhancement of their hydrophilicity. These results indicated that HA-mineralized on PCL/NC fiber can be prepared directly by simply using SBF immersion.
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Affiliation(s)
- Junhui Si
- School of Materials Science and Engineering, Zhengzhou University, Henan 450001, China; School of Materials Science and Engineering, Fujian University of Technology, Fujian 350118, China
| | - Zhixiang Cui
- School of Materials Science and Engineering, Fujian University of Technology, Fujian 350118, China; National Center for International Research of Micro-nano Molding Technology & Key Laboratory for Micro Molding Technology of Henan Province, Henan 450001, China.
| | - Qianting Wang
- School of Materials Science and Engineering, Fujian University of Technology, Fujian 350118, China
| | - Qiong Liu
- School of Materials Science and Engineering, Fujian University of Technology, Fujian 350118, China
| | - Chuntai Liu
- School of Materials Science and Engineering, Zhengzhou University, Henan 450001, China.
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34
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Elvers D, Song CH, Steinbüchel A, Leker J. Technology Trends in Biodegradable Polymers: Evidence from Patent Analysis. POLYM REV 2016. [DOI: 10.1080/15583724.2015.1125918] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Li Q, Xu Y, Wei H, Wang X. An electrospun polycarbonate nanofibrous membrane for high efficiency particulate matter filtration. RSC Adv 2016. [DOI: 10.1039/c6ra12320a] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The filtration efficiency of electrospun PC membrane was higher than those of both PVA and PS membranes, suggesting that polarity is the most influential factor shaping the interaction of particles and fiber surfaces.
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Affiliation(s)
- Qian Li
- National Center for International Research of Micro-Nano Molding Technology
- School of Mechanics and Engineering Science
- Zhengzhou University
- Zhengzhou 450002
- China
| | - Yiyang Xu
- National Center for International Research of Micro-Nano Molding Technology
- School of Mechanics and Engineering Science
- Zhengzhou University
- Zhengzhou 450002
- China
| | - Hanghang Wei
- National Center for International Research of Micro-Nano Molding Technology
- School of Mechanics and Engineering Science
- Zhengzhou University
- Zhengzhou 450002
- China
| | - Xiaofeng Wang
- National Center for International Research of Micro-Nano Molding Technology
- School of Mechanics and Engineering Science
- Zhengzhou University
- Zhengzhou 450002
- China
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36
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Lv Q, Wu D, Xie H, Peng S, Chen Y, Xu C. Crystallization of poly(ε-caprolactone) in its immiscible blend with polylactide: insight into the role of annealing histories. RSC Adv 2016. [DOI: 10.1039/c6ra07752h] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cold crystallization of PLA can improve its affinity to PCL in their blends, and crystallized PLA domains have better nucleation effect to PCL crystallization relative to amorphous PLA ones.
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Affiliation(s)
- Qiaolian Lv
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
- Provincial Key Laboratory of Environmental Engineering & Materials
- China
| | - Defeng Wu
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
- Provincial Key Laboratory of Environmental Engineering & Materials
- China
| | - Hui Xie
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
| | - Sheng Peng
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
| | - Yang Chen
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
- Provincial Key Laboratory of Environmental Engineering & Materials
- China
| | - Chunjiang Xu
- School of Chemistry & Chemical Engineering
- Yangzhou University
- China
- Provincial Key Laboratory of Environmental Engineering & Materials
- China
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37
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Jing X, Mi HY, Wang XC, Peng XF, Turng LS. Shish-kebab-structured poly(ε-caprolactone) nanofibers hierarchically decorated with chitosan-poly(ε-caprolactone) copolymers for bone tissue engineering. ACS APPLIED MATERIALS & INTERFACES 2015; 7:6955-65. [PMID: 25761418 DOI: 10.1021/acsami.5b00900] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
In this work, scaffolds with a shish-kebab (SK) structure formed by poly(ε-caprolactone) (PCL) nanofibers and chitosan-PCL (CS-PCL) copolymers were prepared via electrospinning and subsequent crystallization for bone tissue engineering applications. The aim of this study was to introduce nanosized topography and the high biocompatibility of chitosan onto PCL nanofibers to enhance cell affinity to PCL scaffolds. CS-PCL copolymers with various ratios were synthesized, and then spontaneously crystallized as kebabs onto the electrospun PCL fibers, which acted as shishes. Scanning electron microscopy (SEM) results demonstrated that the copolymer with PCL to chitosan ratio of 8.8 could hierarchically decorate the PCL nanofibers and formed well-shaped kebabs on the PCL nanofiber surface. Water contact angle tests and biomimetic activity experiments revealed that the shish-kebab scaffolds with CS-PCL kebabs (PCL-SK(CS-PCL(8.8))) showed enhanced hydrophilicity and mineralization ability compared with smooth PCL and PCL-SK(PCL) shish-kebab scaffolds. Osteoblast-like MG63 cells cultured on the PCL-SK(CS-PCL(8.8)) scaffolds showed optimizing cell attachment, cell viability, and metabolic activity, demonstrating that this kind of scaffold has potential applications in bone tissue engineering.
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Affiliation(s)
- Xin Jing
- †National Engineering Research Center of Novel Equipment for Polymer Processing, The Key Laboratory for Polymer Processing Engineering of Ministry of Education, South China University of Technology, Guangzhou, 510640, China
- ‡Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Hao-Yang Mi
- †National Engineering Research Center of Novel Equipment for Polymer Processing, The Key Laboratory for Polymer Processing Engineering of Ministry of Education, South China University of Technology, Guangzhou, 510640, China
- ‡Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
| | - Xin-Chao Wang
- §National Engineering Research Center for Advanced Polymer Processing Technologies, Zhengzhou University, Zhengzhou, 450002, China
| | - Xiang-Fang Peng
- †National Engineering Research Center of Novel Equipment for Polymer Processing, The Key Laboratory for Polymer Processing Engineering of Ministry of Education, South China University of Technology, Guangzhou, 510640, China
| | - Lih-Sheng Turng
- ‡Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
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38
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Xie L, Xu H, Niu B, Ji X, Chen J, Li ZM, Hsiao BS, Zhong GJ. Unprecedented Access to Strong and Ductile Poly(lactic acid) by Introducing In Situ Nanofibrillar Poly(butylene succinate) for Green Packaging. Biomacromolecules 2014; 15:4054-64. [DOI: 10.1021/bm5010993] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Lan Xie
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Huan Xu
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Ben Niu
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Xu Ji
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
- College
of Chemical Engineering, Sichuan University, Chengdu, 610065, Sichuan People’s Republic of China
| | - Jun Chen
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Zhong-Ming Li
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Benjamin S. Hsiao
- Department
of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Gan-Ji Zhong
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
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Jing X, Mi HY, Cordie TM, Salick MR, Peng XF, Turng LS. Fabrication of shish–kebab structured poly(ε-caprolactone) electrospun nanofibers that mimic collagen fibrils: Effect of solvents and matrigel functionalization. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.08.061] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cordie T, Harkness T, Jing X, Carlson-Stevermer J, Mi HY, Turng LS, Saha K. Nanofibrous Electrospun Polymers for Reprogramming Human Cells. Cell Mol Bioeng 2014. [DOI: 10.1007/s12195-014-0341-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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41
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Xu H, Xie L, Jiang X, Hakkarainen M, Chen JB, Zhong GJ, Li ZM. Structural Basis for Unique Hierarchical Cylindrites Induced by Ultrahigh Shear Gradient in Single Natural Fiber Reinforced Poly(lactic acid) Green Composites. Biomacromolecules 2014; 15:1676-86. [DOI: 10.1021/bm500100z] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Huan Xu
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Lan Xie
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Xin Jiang
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Minna Hakkarainen
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
| | - Jing-Bin Chen
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Gan-Ji Zhong
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
| | - Zhong-Ming Li
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China
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42
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Mi HY, Jing X, Turng LS. Fabrication of porous synthetic polymer scaffolds for tissue engineering. J CELL PLAST 2014. [DOI: 10.1177/0021955x14531002] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Tissue engineering provides a novel and promising approach to replace damaged tissue with an artificial substitute. Porous synthetic biodegradable polymers are the preferred materials for this substitution due to their microstructure, biocompatibility, biodegradability, and low cost. As a crucial element in tissue engineering, a scaffold acts as an artificial extracellular matrix (ECM) and provides support for cell migration, differentiation, and reproduction. The fabrication of viable scaffolds, however, has been a challenge in both clinical and academic settings. Methods such as solvent casting/particle leaching, thermally induced phase separation (TIPS), electrospinning, gas foaming, and rapid prototyping (additive manufacturing) have been developed or introduced for scaffold fabrication. Each method has its own advantages and disadvantages. In this review, the commonly used synthetic polymer scaffold fabrication methods will be introduced and discussed in detail, and recent progress regarding scaffold fabrication—such as combining different scaffold fabrication methods, combining various materials, and improving current scaffold fabrication methods—will be reviewed as well.
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Affiliation(s)
- Hao-Yang Mi
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI, USA
- National Engineering Research Center of Novel Equipment for Polymer Processing, South China University of Technology, Guangzhou, China
- Department of Mechanical Engineering, University of Wisconsin–Madison, Madison, WI , USA
| | - Xin Jing
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI, USA
- National Engineering Research Center of Novel Equipment for Polymer Processing, South China University of Technology, Guangzhou, China
- Department of Mechanical Engineering, University of Wisconsin–Madison, Madison, WI , USA
| | - Lih-Sheng Turng
- Wisconsin Institute for Discovery, University of Wisconsin–Madison, Madison, WI, USA
- Department of Mechanical Engineering, University of Wisconsin–Madison, Madison, WI , USA
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