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Adhami M, Picco CJ, Detamornrat U, Anjani QK, Cornelius VA, Robles-Martinez P, Margariti A, Donnelly RF, Domínguez-Robles J, Larrañeta E. Clopidogrel-loaded vascular grafts prepared using digital light processing 3D printing. Drug Deliv Transl Res 2024; 14:1693-1707. [PMID: 38051475 PMCID: PMC11052781 DOI: 10.1007/s13346-023-01484-8] [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] [Accepted: 11/16/2023] [Indexed: 12/07/2023]
Abstract
The leading cause of death worldwide and a significant factor in decreased quality of life are the cardiovascular diseases. Endovascular operations like angioplasty, stent placement, or atherectomy are often used in vascular surgery to either dilate a narrowed blood artery or remove a blockage. As an alternative, a vascular transplant may be utilised to replace or bypass a dysfunctional or blocked blood vessel. Despite the advancements in endovascular surgery and its popularisation over the past few decades, vascular bypass grafting remains prevalent and is considered the best option for patients in need of long-term revascularisation treatments. Consequently, the demand for synthetic vascular grafts composed of biocompatible materials persists. To address this need, biodegradable clopidogrel (CLOP)-loaded vascular grafts have been fabricated using the digital light processing (DLP) 3D printing technique. A mixture of polylactic acid-polyurethane acrylate (PLA-PUA), low molecular weight polycaprolactone (L-PCL), and CLOP was used to achieve the required mechanical and biological properties for vascular grafts. The 3D printing technology provides precise detail in terms of shape and size, which lead to the fabrication of customised vascular grafts. The fabricated vascular grafts were fully characterised using different techniques, and finally, the drug release was evaluated. Results suggested that the performed 3D-printed small-diameter vascular grafts containing the highest CLOP cargo (20% w/w) were able to provide a sustained drug release for up to 27 days. Furthermore, all the CLOP-loaded 3D-printed materials resulted in a substantial reduction of the platelet deposition across their surface compared to the blank materials containing no drug. Haemolysis percentage for all the 3D-printed samples was lower than 5%. Moreover, 3D-printed materials were able to provide a supportive environment for cellular attachment, viability, and growth. A substantial increase in cell growth was detected between the blank and drug-loaded grafts.
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Affiliation(s)
- Masoud Adhami
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Camila J Picco
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Usanee Detamornrat
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Qonita K Anjani
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Victoria A Cornelius
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, BT9 7BL, UK
| | | | - Andriana Margariti
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Juan Domínguez-Robles
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK.
- Department of Pharmacy and Pharmaceutical Technology, University of Seville, Seville, Spain.
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK.
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2
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Ding H, Hou X, Gao Z, Guo Y, Liao B, Wan J. Challenges and Strategies for Endothelializing Decellularized Small-Diameter Tissue-Engineered Vessel Grafts. Adv Healthc Mater 2024; 13:e2304432. [PMID: 38462702 DOI: 10.1002/adhm.202304432] [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: 12/13/2023] [Revised: 02/26/2024] [Indexed: 03/12/2024]
Abstract
Vascular diseases are the leading cause of ischemic necrosis in tissues and organs, necessitating using vascular grafts to restore blood supply. Currently, small vessels for coronary artery bypass grafts are unavailable in clinical settings. Decellularized small-diameter tissue-engineered vessel grafts (SD-TEVGs) hold significant potential. However, they face challenges, as simple implantation of decellularized SD-TEVGs in animals leads to thrombosis and calcification due to incomplete endothelialization. Consequently, research and development focus has shifted toward enhancing the endothelialization process of decellularized SD-TEVGs. This paper reviews preclinical studies involving decellularized SD-TEVGs, highlighting different strategies and their advantages and disadvantages for achieving rapid endothelialization of these vascular grafts. Methods are analyzed to improve the process while addressing potential shortcomings. This paper aims to contribute to the future commercial viability of decellularized SD-TEVGs.
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Affiliation(s)
- Heng Ding
- Department of Cardiovascular Surgery, The Affiliated Hospital, Southwest Medical University, Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Key Laboratory of cardiovascular remodeling and dysfunction, Luzhou, Sichuan, 646000, China
- Nanjing Medical University, Nanjing, 211166, P. R. China
| | - Xiaojie Hou
- Department of Cardiovascular Surgery and Cardiovascular Surgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Zhen Gao
- Department of Cardiac Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100069, China
| | - Yingqiang Guo
- Department of Cardiovascular Surgery and Cardiovascular Surgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Bin Liao
- Department of Cardiovascular Surgery, The Affiliated Hospital, Southwest Medical University, Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Key Laboratory of cardiovascular remodeling and dysfunction, Luzhou, Sichuan, 646000, China
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Juyi Wan
- Department of Cardiovascular Surgery, The Affiliated Hospital, Southwest Medical University, Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Key Laboratory of cardiovascular remodeling and dysfunction, Luzhou, Sichuan, 646000, China
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, (Collaborative Innovation Center for Prevention of Cardiovascular Diseases), Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan, 646000, China
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3
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Liu CH, Liu MC, Jheng PR, Yu J, Fan YJ, Liang JW, Hsiao YC, Chiang CW, Bolouki N, Lee JW, Hsieh JH, Mansel BW, Chen YT, Nguyen HT, Chuang EY. Plasma-Derived Nanoclusters for Site-Specific Multimodality Photo/Magnetic Thrombus Theranostics. Adv Healthc Mater 2023; 12:e2301504. [PMID: 37421244 DOI: 10.1002/adhm.202301504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/14/2023] [Accepted: 06/28/2023] [Indexed: 07/10/2023]
Abstract
Traditional thrombolytic therapeutics for vascular blockage are affected by their limited penetration into thrombi, associated off-target side effects, and low bioavailability, leading to insufficient thrombolytic efficacy. It is hypothesized that these limitations can be overcome by the precisely controlled and targeted delivery of thrombolytic therapeutics. A theranostic platform is developed that is biocompatible, fluorescent, magnetic, and well-characterized, with multiple targeting modes. This multimodal theranostic system can be remotely visualized and magnetically guided toward thrombi, noninvasively irradiated by near-infrared (NIR) phototherapies, and remotely activated by actuated magnets for additional mechanical therapy. Magnetic guidance can also improve the penetration of nanomedicines into thrombi. In a mouse model of thrombosis, the thrombosis residues are reduced by ≈80% and with no risk of side effects or of secondary embolization. This strategy not only enables the progression of thrombolysis but also accelerates the lysis rate, thereby facilitating its prospective use in time-critical thrombolytic treatment.
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Affiliation(s)
- Chia-Hung Liu
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan
- TMU Research Center of Urology and Kidney, Taipei Medical University, 250 Wu-Hsing Street, Taipei, 11031, Taiwan
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, 291 Zhongzheng Road, Zhonghe District, New Taipei City, 23561, Taiwan
| | - Ming-Che Liu
- Clinical Research Center, Taipei Medical University Hospital, Taipei, 11031, Taiwan
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei, 11031, Taiwan
| | - Pei-Ru Jheng
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
| | - Jiashing Yu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei, 106, Taiwan
| | - Yu-Jui Fan
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
| | - Jia-Wei Liang
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
| | - Yu-Cheng Hsiao
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
| | - Chih-Wei Chiang
- Department of Orthopedics, Taipei Medical University, Taipei, 11031, Taiwan
- Department of Orthopedics, Taipei Medical University Hospital, Taipei, 11031, Taiwan
| | - Nima Bolouki
- Department of Physical Electronics, Faculty of Science, Masaryk University, Brno, 60177, Czech Republic
| | - Jyh-Wei Lee
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
- Center for Plasma and Thin Film Technologies, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Jang-Hsing Hsieh
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
- Center for Plasma and Thin Film Technologies, Ming Chi University of Technology, New Taipei City, 24301, Taiwan
| | - Bradley W Mansel
- National Synchrotron Radiation Research Center, Hsinchu Science Park, Hsinchu, 30076, Taiwan
| | - Yan-Ting Chen
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
| | - Hieu Trung Nguyen
- Department of Orthopedics and Trauma, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, 700000, Vietnam
| | - Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, International Ph.D. Program in Biomedical Engineering Graduate Institute of Biomedical Optomechatronics, School of Biomedical Engineering, Research Center of Biomedical Device, Innovation Entrepreneurship Education Center, College of Interdisciplinary Studies, Taipei Medical University, Taipei, 11031, Taiwan
- Cell Physiology and Molecular Image Research Center, Taipei Medical University, Wan Fang Hospital, Taipei, 11696, Taiwan
- Precision Medicine and Translational Cancer Research Center, Taipei Medical University Hospital, Taipei, 11031, Taiwan
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Wang H, Xiao Y, Fang Z, Zhang Y, Yang L, Zhao C, Meng Z, Liu Y, Li C, Han Q, Feng Z. Fabrication and performance evaluation of PLCL-hCOLIII small-diameter vascular grafts crosslinked with procyanidins. Int J Biol Macromol 2023; 251:126293. [PMID: 37591423 DOI: 10.1016/j.ijbiomac.2023.126293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 08/01/2023] [Accepted: 08/10/2023] [Indexed: 08/19/2023]
Abstract
Cardiovascular disease has become one of the main causes of death. It is the common goal of researchers worldwide to develop small-diameter vascular grafts to meet clinical needs. Collagen is a valuable biomaterial that has been used in the preparation of vascular grafts and has shown good results. Recombinant humanized collagen (RHC) has the advantages of clear chemical structure, batch stability, no virus hazard and low immunogenicity compared with animal-derived collagen, which can be developed as vascular materials. In this study, Poly (l-lactide- ε-caprolactone) with l-lactide/ε-caprolactone (PLCL) and type III recombinant humanized collagen (hCOLIII) were selected as raw materials to prepare vascular grafts, which were prepared by the same-nozzle electrospinning apparatus. Meanwhile, procyanidin (PC), a plant polyphenol, was used to cross-link the vascular grafts. The physicochemical properties and biocompatibility of the fabricated vascular grafts were investigated by comparing with glutaraldehyde (GA) crosslinked vascular grafts and pure PLCL grafts. Finally, the performance of PC cross-linked PLCL-hCOLIII vascular grafts were evaluated by rabbit carotid artery transplantation model. The results indicate that the artificial vascular grafts have good cell compatibility, blood compatibility, and anti-calcification performance, and can remain unobstructed after 30 days carotid artery transplantation in rabbits. The grafts also showed inhibitory effects on the proliferation of SMCs and intimal hyperplasia, demonstrating its excellent performance as small diameter vascular grafts.
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Affiliation(s)
- Han Wang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China; National Institute for Food and Drug Control, Beijing 102629, China
| | - Yonghao Xiao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Zhiping Fang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Yuanguo Zhang
- Department of Thyroid-Breast-Vascular Surgery, Shanxian Central Hospital, Heze, Shandong 274300, China
| | - Liu Yang
- National Institute for Food and Drug Control, Beijing 102629, China
| | - Chenyu Zhao
- National Institute for Food and Drug Control, Beijing 102629, China
| | - Zhu Meng
- National Institute for Food and Drug Control, Beijing 102629, China
| | - Yu Liu
- National Institute for Food and Drug Control, Beijing 102629, China; Yantai University, Yantai, Shandong 264005, China
| | - Chongchong Li
- National Institute for Food and Drug Control, Beijing 102629, China
| | - Qianqian Han
- National Institute for Food and Drug Control, Beijing 102629, China.
| | - Zengguo Feng
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China.
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5
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Liu Z, Rütten S, Buhl EM, Zhang M, Liu J, Rojas-González DM, Mela P. Development of a Silk Fibroin-Small Intestinal Submucosa Small-Diameter Vascular Graft with Sequential VEGF and TGF-β1 Inhibitor Delivery for In Situ Tissue Engineering. Macromol Biosci 2023; 23:e2300184. [PMID: 37262314 DOI: 10.1002/mabi.202300184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/23/2023] [Indexed: 06/03/2023]
Abstract
Proper endothelialization and limited collagen deposition on the luminal surface after graft implantation plays a crucial role to prevent the occurrence of stenosis. To achieve these conditions, a biodegradable graft with adequate mechanical properties and the ability to sequentially deliver therapeutic agents isfabricated. In this study, a dual-release system is constructed through coaxial electrospinning by incorporating recombinant human vascular endothelial growth factor (VEGF) and transforming growth factor β1 (TGF-β1) inhibitor into silk fibroin (SF) nanofibers to form a bioactive membrane. The functionalized SF membrane as the inner layer of the graft is characterized by the release profile, cell proliferation and protein expression. It presents excellent biocompatibility and biodegradation, facilitating cell attachment, proliferation, and infiltration. The core-shell structure enables rapid VEGF release within 10 days and sustained plasmid delivery for 21 days. A 2.0-mm-diameter vascular graft is fabricated by integrating the SF membrane with decellularized porcine small intestinal submucosa (SIS), aiming to facilitate the integration process under a stable extracellular matrix structure. The bioengineered graft is functionalized with the sequential administration of VEGF and TGF-β1, and with the reinforced and compatible mechanical properties, thereby offers an orchestrated solution for stenosis with potential for in situ vascular tissue engineering applications.
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Affiliation(s)
- Zhengni Liu
- Department of Biohybrid & Medical Textiles (BioTex) at AME-Institute of Applied Medical Engineering, Helmholtz Institute-CBMS, RWTH Aachen University, Forckenbeckstr. 55, 52074, Aachen, Germany
- Department of Hernia and Abdominal Wall Surgery, Shanghai East Hospital, TongJi University, Jimo road 150, Shanghai, 200120, PR China
| | - Stephan Rütten
- Electron Microscopy Facility, Uniklinik RWTH Aachen, Pauwelsstrasse, 30, 52074, Aachen, Germany
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Uniklinik RWTH Aachen, Pauwelsstrasse, 30, 52074, Aachen, Germany
| | - Minjun Zhang
- Department of Endodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Zhizaoju road 639, Shanghai, 200011, PR China
| | - Jiajie Liu
- Department of Hernia and Abdominal Wall Surgery, Shanghai East Hospital, TongJi University, Jimo road 150, Shanghai, 200120, PR China
| | - Diana M Rojas-González
- Department of Biohybrid & Medical Textiles (BioTex) at AME-Institute of Applied Medical Engineering, Helmholtz Institute-CBMS, RWTH Aachen University, Forckenbeckstr. 55, 52074, Aachen, Germany
| | - Petra Mela
- Department of Biohybrid & Medical Textiles (BioTex) at AME-Institute of Applied Medical Engineering, Helmholtz Institute-CBMS, RWTH Aachen University, Forckenbeckstr. 55, 52074, Aachen, Germany
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6
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Basile S, Mathew E, Genta I, Conti B, Dorati R, Lamprou DA. Optimization of FDM 3D printing process parameters to produce haemodialysis curcumin-loaded vascular grafts. Drug Deliv Transl Res 2023; 13:2058-2071. [PMID: 34642844 PMCID: PMC10315350 DOI: 10.1007/s13346-021-01078-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2021] [Indexed: 10/20/2022]
Abstract
3D printing has provided a new prospective in the manufacturing of personalized medical implants, including fistulas for haemodialysis (HD). In the current study, an optimized fused modelling deposition (FDM) 3D printing method has been validated, for the first time, to obtain cylindrical shaped fistulas. Printing parameters were evaluated for the manufacturing of fistulas using blank and 0.25% curcumin-loaded filaments that were produced by hot melt extrusion (HME). Four different fistula types have been designed and characterized using a variety of physicochemical characterization methods. Each design was printed three times to demonstrate printing process accuracy considering outer and inner diameter, wall thickness, width, and length. A thermoplastic polyurethane (TPU) biocompatible elastomer was chosen, showing good mechanical properties with a high elastic modulus and maximum elongation, as well as stability at high temperatures with less than 0.8% of degradation at the range between 25 and 250 °C. Curcumin release profile has been evaluated in a saline buffer, obtaining a low release (12%) and demonstrating drug could continue release for a longer period, and for as long as grafts should remain in patient body. Possibility to produce drug-loaded grafts using one-step method as well as 3D printing process and TPU filaments containing curcumin printability has been demonstrated.
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Affiliation(s)
- Sara Basile
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Essyrose Mathew
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Ida Genta
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Bice Conti
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Rossella Dorati
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy.
| | - Dimitrios A Lamprou
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.
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7
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Cheng C, Li H, Liu J, Wu L, Fang Z, Xu G. MCP-1-Loaded Poly(l-lactide- co-caprolactone) Fibrous Films Modulate Macrophage Polarization toward an Anti-inflammatory Phenotype and Improve Angiogenesis. ACS Biomater Sci Eng 2023. [PMID: 37367696 DOI: 10.1021/acsbiomaterials.3c00476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Tissue engineering approaches such as the electrospinning technique can fabricate nanofibrous scaffolds which are widely used for small-diameter vascular grafting. However, foreign body reaction (FBR) and lack of endothelial coverage are still the main cause of graft failure after the implantation of nanofibrous scaffolds. Macrophage-targeting therapeutic strategies have the potential to address these issues. Here, we fabricate a monocyte chemotactic protein-1 (MCP-1)-loaded coaxial fibrous film with poly(l-lactide-co-ε-caprolactone) (PLCL/MCP-1). The PLCL/MCP-1 fibrous film can polarize macrophages toward anti-inflammatory M2 macrophages through the sustained release of MCP-1. Meanwhile, these specific functional polarization macrophages can mitigate FBR and promote angiogenesis during the remodeling of implanted fibrous films. These studies indicate that MCP-1-loaded PLCL fibers have a higher potential to modulate macrophage polarity, which provides a new strategy for small-diameter vascular graft designing.
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Affiliation(s)
- Can Cheng
- Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P. R. China
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, P. R. China
| | - Heng Li
- Department of Comprehensive Surgery, Anhui Provincial Cancer Hospital, West District of The First Affiliated Hospital of USTC, Hefei, Anhui 230001, P. R. China
| | - Jingwen Liu
- Anhui Provincial Hospital Health Management Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, P. R. China
| | - Liang Wu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, P. R. China
| | - Zhengdong Fang
- Department of Vascular Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, P. R. China
| | - Geliang Xu
- Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P. R. China
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, P. R. China
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8
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Li MX, Wu DY, Tang RY, Zhou SY, Liang WH, Liu J, Li L. Liquid metal integrated PU/CNT fibrous membrane for human health monitoring. Front Bioeng Biotechnol 2023; 11:1169411. [PMID: 37082218 PMCID: PMC10111225 DOI: 10.3389/fbioe.2023.1169411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 03/22/2023] [Indexed: 04/03/2023] Open
Abstract
Wearable flexible sensors are widely used in several applications such as physiological monitoring, electronic skin, and telemedicine. Typically, flexible sensors that are made of elastomeric thin-films lack sufficient permeability, which leads to skin inflammation, and more importantly, affects signal detection and consequently, reduces the sensitivity of the sensor. In this study, we designed a flexible nanofibrous membrane with a high air permeability (6.10 mm/s), which could be effectively used to monitor human motion signals and physiological signals. More specifically, a flexible membrane with a point (liquid metal nanoparticles)-line (carbon nanotubes)-plane (liquid metal thin-film) multiscale conductive structure was fabricated by combining liquid metal (LM) and carbon nanotubes (CNTs) with a polyurethane (PU) nanofibrous membrane. Interestingly, the excellent conductivity and fluidity of the liquid metal enhanced the sensitivity and stability of the membrane. More precisely, the gauge factor (GF) values of the membrane is 3.0 at 50% strain and 14.0 at 400% strain, which corresponds to a high strain sensitivity within the whole range of deformation. Additionally, the proposed membrane has good mechanical properties with an elongation at a break of 490% and a tensile strength of 12 MPa. Furthermore, the flexible membrane exhibits good biocompatibility and can efficiently monitor human health signals, thereby indicating potential for application in the field of wearable electronic devices.
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Affiliation(s)
- Mei-Xi Li
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Da-Yong Wu
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
- *Correspondence: Lei Li, ; Da-Yong Wu,
| | - Rong-Yu Tang
- The State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China
| | - Si-Yuan Zhou
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Wei-Hua Liang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Jing Liu
- Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Lei Li
- Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
- *Correspondence: Lei Li, ; Da-Yong Wu,
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9
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A vertical additive-lathe printing system for the fabrication of tubular constructs using gelatin methacryloyl hydrogel. J Mech Behav Biomed Mater 2023; 139:105665. [PMID: 36640542 DOI: 10.1016/j.jmbbm.2023.105665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/26/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
Reproducing both the mechanical and biological performance of native blood vessels remains an ongoing challenge in vascular tissue engineering. Additive-lathe printing offers an attractive method of fabricating long tubular constructs as a potential vascular graft for the treatment of cardiovascular diseases. Printing hydrogels onto rotating horizontal mandrels often leads to sagging, resulting in poor and variable mechanical properties. In this study, an additive-lathe printing system with a vertical mandrel to fabricate tubular constructs is presented. Various concentrations of gelatin methacryloyl (gelMA) hydrogel were used to print grafts on the rotating mandrel in a helical pattern. The printing parameters were selected to achieve the bonding of consecutive gelMA filaments to improve the quality of the printed graft. The hydrogel filaments were fused properly under the action of gravity on the vertical mandrel. Thus, the vertical additive-lathe printing system was used to print uniform wall thickness grafts, eliminating the hydrogel sagging problem. Tensile testing performed in both circumferential and longitudinal direction revealed that the anisotropic properties of printed gelMA constructs were similar to those observed in the native blood vessels. In addition, no leakage was detected through the walls of the gelMA grafts during burst pressure measurement. Therefore, the current printing setup could be utilized to print vascular grafts for the treatment of cardiovascular diseases.
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10
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Wang J, Dai D, Xie H, Li D, Xiong G, Zhang C. Biological Effects, Applications and Design Strategies of Medical Polyurethanes Modified by Nanomaterials. Int J Nanomedicine 2022; 17:6791-6819. [PMID: 36600880 PMCID: PMC9807071 DOI: 10.2147/ijn.s393207] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/20/2022] [Indexed: 12/30/2022] Open
Abstract
Polyurethane (PU) has wide application and popularity as medical apparatus due to its unique structural properties relationship. However, there are still some problems with medical PUs, such as a lack of functionality, insufficient long-term implantation safety, undesired stability, etc. With the rapid development of nanotechnology, the nanomodification of medical PU provides new solutions to these clinical problems. The introduction of nanomaterials could optimize the biocompatibility, antibacterial effect, mechanical strength, and degradation of PUs via blending or surface modification, therefore expanding the application range of medical PUs. This review summarizes the current applications of nano-modified medical PUs in diverse fields. Furthermore, the underlying mechanisms in efficiency optimization are analyzed in terms of the enhanced biological and mechanical properties critical for medical use. We also conclude the preparation schemes and related parameters of nano-modified medical PUs, with discussions about the limitations and prospects. This review indicates the current status of nano-modified medical PUs and contributes to inspiring novel and appropriate designing of PUs for desired clinical requirements.
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Affiliation(s)
- Jianrong Wang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Danni Dai
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Hanshu Xie
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Dan Li
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Gege Xiong
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Chao Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China,Correspondence: Chao Zhang, Email
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11
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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12
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Yu K, Wu Y, Zhang X, Hou J, Chen J. Microcellular open-cell poly(l-lactic acid)/poly(d-lactic acid) foams for oil-water separation prepared via supercritical CO2 foaming. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Su Z, Xing Y, Wang F, Xu Z, Gu Y. Biological small-calibre tissue engineered blood vessels developed by electrospinning and in-body tissue architecture. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:67. [PMID: 36178545 PMCID: PMC9525370 DOI: 10.1007/s10856-022-06689-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 08/27/2022] [Indexed: 06/16/2023]
Abstract
There are no suitable methods to develop the small-calibre tissue-engineered blood vessels (TEBVs) that can be widely used in the clinic. In this study, we developed a new method that combines electrospinning and in-body tissue architecture(iBTA) to develop small-calibre TEBVs. Electrospinning imparted mechanical properties to the TEBVs, and the iBTA imparted biological properties to the TEBVs. The hybrid fibres of PLCL (poly(L-lactic-co-ε-caprolactone) and PU (Polyurethane) were obtained by electrospinning, and the fibre scaffolds were then implanted subcutaneously in the abdominal area of the rabbit (as an in vivo bioreactor). The biotubes were harvested after four weeks. The mechanical properties of the biotubes were most similar to those of the native rabbit aorta. Biotubes and the PLCL/PU vascular scaffolds were implanted into the rabbit carotid artery. The biotube exhibited a better patency rate and certain remodelling ability in the rabbit model, which indicated the potential use of this hybridization method to develop small-calibre TEBVs. Sketch map of developing the biotube. The vascular scaffolds were prepared by electrospinning (A). Silicone tube was used as the core, and the vascular scaffold was used as the shell (B). The vascular scaffold and silicone tube were implanted subcutaneously in the abdominal area of the rabbit (C). The biotube was extruded from the silicone tube after 4 weeks ofembedding (D). The biotube was implanted for the rabbit carotid artery (E).
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Affiliation(s)
- Zhixiang Su
- Vascular Surgery Department, Xuanwu Hospital, Capital Medical University, 100053, Beijing, China
| | - Yuehao Xing
- Department of Cardiovascular Surgery, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, 100045, Beijing, China
| | - Fei Wang
- Vascular Surgery Department, Xuanwu Hospital, Capital Medical University, 100053, Beijing, China
| | - Zeqin Xu
- Vascular Surgery Department, Xuanwu Hospital, Capital Medical University, 100053, Beijing, China
| | - Yongquan Gu
- Vascular Surgery Department, Xuanwu Hospital, Capital Medical University, 100053, Beijing, China.
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14
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Ozdemir S, Yalcin-Enis I, Yalcinkaya B, Yalcinkaya F. An Investigation of the Constructional Design Components Affecting the Mechanical Response and Cellular Activity of Electrospun Vascular Grafts. MEMBRANES 2022; 12:929. [PMID: 36295688 PMCID: PMC9607146 DOI: 10.3390/membranes12100929] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Cardiovascular disease is anticipated to remain the leading cause of death globally. Due to the current problems connected with using autologous arteries for bypass surgery, researchers are developing tissue-engineered vascular grafts (TEVGs). The major goal of vascular tissue engineering is to construct prostheses that closely resemble native blood vessels in terms of morphological, mechanical, and biological features so that these scaffolds can satisfy the functional requirements of the native tissue. In this setting, morphology and cellular investigation are usually prioritized, while mechanical qualities are generally addressed superficially. However, producing grafts with good mechanical properties similar to native vessels is crucial for enhancing the clinical performance of vascular grafts, exposing physiological forces, and preventing graft failure caused by intimal hyperplasia, thrombosis, aneurysm, blood leakage, and occlusion. The scaffold's design and composition play a significant role in determining its mechanical characteristics, including suturability, compliance, tensile strength, burst pressure, and blood permeability. Electrospun prostheses offer various models that can be customized to resemble the extracellular matrix. This review aims to provide a comprehensive and comparative review of recent studies on the mechanical properties of fibrous vascular grafts, emphasizing the influence of structural parameters on mechanical behavior. Additionally, this review provides an overview of permeability and cell growth in electrospun membranes for vascular grafts. This work intends to shed light on the design parameters required to maintain the mechanical stability of vascular grafts placed in the body to produce a temporary backbone and to be biodegraded when necessary, allowing an autologous vessel to take its place.
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Affiliation(s)
- Suzan Ozdemir
- Textile Engineering Department, Textile Technologies and Design Faculty, Istanbul Technical University, Beyoglu, 34467 Istanbul, Turkey
| | - Ipek Yalcin-Enis
- Textile Engineering Department, Textile Technologies and Design Faculty, Istanbul Technical University, Beyoglu, 34467 Istanbul, Turkey
| | - Baturalp Yalcinkaya
- Department of Material Science, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech Republic
| | - Fatma Yalcinkaya
- Department of Environmental Technology, Institute for Nanomaterials, Advanced Technologies and Innovations, Technical University of Liberec, 461 17 Liberec, Czech Republic
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15
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Chiriateva AE, Zavrazhnykh NA, Popryadukhin PV, Yukina GY, Kriventsov AV, Ivankova EM, Yudin VE. Small Diameter Nonwoven Vascular Prostheses Based on Aromatic Polyimide Nanofibers. Biophysics (Nagoya-shi) 2022. [DOI: 10.1134/s0006350922040054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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16
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Electrospinning-Generated Nanofiber Scaffolds Suitable for Integration of Primary Human Circulating Endothelial Progenitor Cells. Polymers (Basel) 2022; 14:polym14122448. [PMID: 35746031 PMCID: PMC9229005 DOI: 10.3390/polym14122448] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 02/05/2023] Open
Abstract
The extracellular matrix is fundamental in order to maintain normal function in many organs such as the blood vessels, heart, liver, or bones. When organs fail or experience injury, tissue engineering and regenerative medicine elicit the production of constructs resembling the native extracellular matrix, supporting organ restoration and function. In this regard, is it possible to optimize structural characteristics of nanofiber scaffolds obtained by the electrospinning technique? This study aimed to produce partially degraded collagen (gelatin) nanofiber scaffolds, using the electrospinning technique, with optimized parameters rendering different morphological characteristics of nanofibers, as well as assessing whether the resulting scaffolds are suitable to integrate primary human endothelial progenitor cells, obtained from peripheral blood with further in vitro cell expansion. After different assay conditions, the best nanofiber morphology was obtained with the following electrospinning parameters: 15 kV, 0.06 mL/h, 1000 rpm and 12 cm needle-to-collector distance, yielding an average nanofiber thickness of 333 ± 130 nm. Nanofiber scaffolds rendered through such electrospinning conditions were suitable for the integration and proliferation of human endothelial progenitor cells.
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17
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Terzopoulou Z, Zamboulis A, Koumentakou I, Michailidou G, Noordam MJ, Bikiaris DN. Biocompatible Synthetic Polymers for Tissue Engineering Purposes. Biomacromolecules 2022; 23:1841-1863. [PMID: 35438479 DOI: 10.1021/acs.biomac.2c00047] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Synthetic polymers have been an integral part of modern society since the early 1960s. Besides their most well-known applications to the public, such as packaging, construction, textiles and electronics, synthetic polymers have also revolutionized the field of medicine. Starting with the first plastic syringe developed in 1955 to the complex polymeric materials used in the regeneration of tissues, their contributions have never been more prominent. Decades of research on polymeric materials, stem cells, and three-dimensional printing contributed to the rapid progress of tissue engineering and regenerative medicine that envisages the potential future of organ transplantations. This perspective discusses the role of synthetic polymers in tissue engineering, their design and properties in relation to each type of application. Additionally, selected recent achievements of tissue engineering using synthetic polymers are outlined to provide insight into how they will contribute to the advancement of the field in the near future. In this way, we aim to provide a guide that will help scientists with synthetic polymer design and selection for different tissue engineering applications.
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Affiliation(s)
- Zoi Terzopoulou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Alexandra Zamboulis
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Ioanna Koumentakou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Georgia Michailidou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Michiel Jan Noordam
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Dimitrios N Bikiaris
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
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18
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Poly(lactic acid)-Based Electrospun Fibrous Structures for Biomedical Applications. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12063192] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Poly(lactic acid)(PLA) is an aliphatic polyester that can be derived from natural and renewable resources. Owing to favorable features, such as biocompatibility, biodegradability, good thermal and mechanical performance, and processability, PLA has been considered as one of the most promising biopolymers for biomedical applications. Particularly, electrospun PLA nanofibers with distinguishing characteristics, such as similarity to the extracellular matrix, large specific surface area and high porosity with small pore size and tunable mechanical properties for diverse applications, have recently given rise to advanced spillovers in the medical area. A variety of PLA-based nanofibrous structures have been explored for biomedical purposes, such as wound dressing, drug delivery systems, and tissue engineering scaffolds. This review highlights the recent advances in electrospinning of PLA-based structures for biomedical applications. It also gives a comprehensive discussion about the promising approaches suggested for optimizing the electrospun PLA nanofibrous structures towards the design of specific medical devices with appropriate physical, mechanical and biological functions.
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19
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Koch SE, de Kort BJ, Holshuijsen N, Brouwer HFM, van der Valk DC, Dankers PYW, van Luijk JAKR, Hooijmans CR, de Vries RBM, Bouten CVC, Smits AIPM. Animal studies for the evaluation of in situ tissue-engineered vascular grafts - a systematic review, evidence map, and meta-analysis. NPJ Regen Med 2022; 7:17. [PMID: 35197483 PMCID: PMC8866508 DOI: 10.1038/s41536-022-00211-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 01/11/2022] [Indexed: 12/12/2022] Open
Abstract
Vascular in situ tissue engineering (TE) is an approach that uses bioresorbable grafts to induce endogenous regeneration of damaged blood vessels. The evaluation of newly developed in situ TE vascular grafts heavily relies on animal experiments. However, no standard for in vivo models or study design has been defined, hampering inter-study comparisons and translational efficiency. To provide input for formulating such standard, the goal of this study was to map all animal experiments for vascular in situ TE using off-the-shelf available, resorbable synthetic vascular grafts. A literature search (PubMed, Embase) yielded 15,896 studies, of which 182 studies met the inclusion criteria (n = 5,101 animals). The reports displayed a wide variety of study designs, animal models, and biomaterials. Meta-analysis on graft patency with subgroup analysis for species, age, sex, implantation site, and follow-up time demonstrated model-specific variations. This study identifies possibilities for improved design and reporting of animal experiments to increase translational value.
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Affiliation(s)
- Suzanne E Koch
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Bente J de Kort
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Noud Holshuijsen
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Hannah F M Brouwer
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Dewy C van der Valk
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Patricia Y W Dankers
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Judith A K R van Luijk
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Department for Health Evidence, Radboud Institute for Health Sciences, Radboud UMC, Nijmegen, The Netherlands
| | - Carlijn R Hooijmans
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Department for Health Evidence, Radboud Institute for Health Sciences, Radboud UMC, Nijmegen, The Netherlands
| | - Rob B M de Vries
- SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE), Department for Health Evidence, Radboud Institute for Health Sciences, Radboud UMC, Nijmegen, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Anthal I P M Smits
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands. .,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands.
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20
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Li M, Pan G, Zhang H, Guo B. Hydrogel adhesives for generalized wound treatment: Design and applications. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20210916] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Meng Li
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an China
| | - Guoying Pan
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an China
| | - Hualei Zhang
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an China
| | - Baolin Guo
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research College of Stomatology, Xi'an Jiaotong University Xi'an China
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21
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Liu Y, Zhang Y, An Z, Zhao H, Zhang L, Cao Y, Mansoorianfar M, Liu X, Pei R. Slide-Ring Structure-Based Double-Network Hydrogel with Enhanced Stretchability and Toughness for 3D-Bio-Printing and Its Potential Application as Artificial Small-Diameter Blood Vessels. ACS APPLIED BIO MATERIALS 2021; 4:8597-8606. [PMID: 35005952 DOI: 10.1021/acsabm.1c01052] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Artificial small-diameter blood vessels (SDBVs) are extremely limited in their thrombosis and still present significant clinical challenges worldwide. In recent years, 3D-bio-printing has offered a powerful technique to fabricate vessel channels in tissue engineering applications. Hydrogels are attractive bio-inks for SDBVs 3D-bio-printing, but they usually present weak mechanical properties. To overcome the weak mechanical properties of hydrogel bio-inks, a printable human umbilical vein endothelial cell (HUVEC)-laden polyrotaxane-alginate (PR-Alg) double-network (DN) hydrogel was fabricated. The PR-Alg DN hydrogel consists of a Ca2+ cross-linked alginate network to form the first network rapidly, and a photo-cross-linked slide-ring network was designed as the second network. By combining special hydrogel structures of slide-ring (SR) and double network (DN), we significantly improved the mechanical properties of hydrogels. The PR-Alg DN hydrogel provides excellent stress (199 ± 20 kPa) and strain (1239 ± 58%), and the fracture energy reaches 668 ± 80 J/m2. Additionally, due to the presence of biocompatible materials and the gentle 3D-bio-printing process, the 3D-bio-printed channels showed outstanding biocompatibility, particularly in HUVECs' survival and proliferation. We anticipate that this work will expand the application of hydrogels with improved mechanical properties in biomedicine, particularly for artificial SDBVs.
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Affiliation(s)
- Yuanshan Liu
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China.,CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yajie Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Zhen An
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China.,CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Hongbo Zhao
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Liwei Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yi Cao
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Mojtaba Mansoorianfar
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Xingzhu Liu
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Renjun Pei
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China.,CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
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22
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Bioengineering silk into blood vessels. Biochem Soc Trans 2021; 49:2271-2286. [PMID: 34495327 DOI: 10.1042/bst20210359] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/05/2021] [Accepted: 08/11/2021] [Indexed: 11/17/2022]
Abstract
The rising incidence of cardiovascular disease has increased the demand for small diameter (<6 mm) synthetic vascular grafts for use in bypass surgery. Clinically available synthetic grafts (polyethylene terephthalate and expanded polytetrafluorethylene) are incredibly strong, but also highly hydrophobic and inelastic, leading to high rates of failure when used for small diameter bypass. The poor clinical outcomes of commercial synthetic grafts in this setting have driven significant research in search of new materials that retain favourable mechanical properties but offer improved biocompatibility. Over the last several decades, silk fibroin derived from Bombyx mori silkworms has emerged as a promising biomaterial for use in vascular applications. Progress has been driven by advances in silk manufacturing practices which have allowed unprecedented control over silk strength, architecture, and the ensuing biological response. Silk can now be manufactured to mimic the mechanical properties of native arteries, rapidly recover the native endothelial cell layer lining vessels, and direct positive vascular remodelling through the regulation of local inflammatory responses. This review summarises the advances in silk purification, processing and functionalisation which have allowed the production of robust vascular grafts with promise for future clinical application.
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23
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Yousefi-Ahmadipour A, Asadi F, Pirsadeghi A, Nazeri N, Vahidi R, Abazari MF, Afgar A, Mirzaei-Parsa MJ. Current Status of Stem Cell Therapy and Nanofibrous Scaffolds in Cardiovascular Tissue Engineering. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2021. [DOI: 10.1007/s40883-021-00230-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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24
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Vermue IJM, Begum R, Castilho M, Rookmaaker MB, Masereeuw R, Bouten CVC, Verhaar MC, Cheng C. Renal Biology Driven Macro- and Microscale Design Strategies for Creating an Artificial Proximal Tubule Using Fiber-Based Technologies. ACS Biomater Sci Eng 2021; 7:4679-4693. [PMID: 34490771 PMCID: PMC8512683 DOI: 10.1021/acsbiomaterials.1c00408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Chronic kidney disease
affects one in six people worldwide. Due
to the scarcity of donor kidneys and the complications associated
with hemodialysis (HD), a cell-based bioartificial kidney (BAK) device
is desired. One of the shortcomings of HD is the lack of active transport
of solutes that would normally be performed by membrane transporters
in kidney epithelial cells. Specifically, proximal tubule (PT) epithelial
cells play a major role in the active transport of metabolic waste
products. Therefore, a BAK containing an artificial PT to actively
transport solutes between the blood and the filtrate could provide
major therapeutic advances. Creating such an artificial PT requires
a biocompatible tubular structure which supports the adhesion and
function of PT-specific epithelial cells. Ideally, this scaffold should
structurally replicate the natural PT basement membrane which consists
mainly of collagen fibers. Fiber-based technologies such as electrospinning
are therefore especially promising for PT scaffold manufacturing.
This review discusses the use of electrospinning technologies to generate
an artificial PT scaffold for ex vivo/in
vivo cellularization. We offer a comparison of currently
available electrospinning technologies and outline the desired scaffold
properties required to serve as a PT scaffold. Discussed also are
the potential technologies that may converge in the future, enabling
the effective and biomimetic incorporation of synthetic PTs in to
BAK devices and beyond.
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Affiliation(s)
- IJsbrand M Vermue
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
| | - Runa Begum
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
| | - Miguel Castilho
- Department of Orthopaedics, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands.,Regenerative Medicine Center Utrecht, 3508 GA Utrecht, The Netherlands.,Department of Biomedical Engineering, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands
| | - Maarten B Rookmaaker
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
| | - Rosalinde Masereeuw
- Regenerative Medicine Center Utrecht, 3508 GA Utrecht, The Netherlands.,Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
| | - Caroline Cheng
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands.,Experimental Cardiology, Department of Cardiology, Thorax Center, Erasmus University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
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25
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Domínguez-Robles J, Shen T, Cornelius VA, Corduas F, Mancuso E, Donnelly RF, Margariti A, Lamprou DA, Larrañeta E. Development of drug loaded cardiovascular prosthesis for thrombosis prevention using 3D printing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 129:112375. [PMID: 34579894 PMCID: PMC8505756 DOI: 10.1016/j.msec.2021.112375] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/22/2021] [Accepted: 08/10/2021] [Indexed: 12/11/2022]
Abstract
Cardiovascular disease (CVD) is a general term for conditions which are the leading cause of death in the world. Quick restoration of tissue perfusion is a key factor to combat these diseases and improve the quality and duration of patients' life. Revascularization techniques include angioplasty, placement of a stent, or surgical bypass grafting. For the latter technique, autologous vessels remain the best clinical option; however, many patients lack suitable autogenous due to previous operations and they are often unsuitable. Therefore, synthetic vascular grafts providing antithrombosis, neointimal hyperplasia inhibition and fast endothelialization are still needed. To address these limitations, 3D printed dipyridamole (DIP) loaded biodegradable vascular grafts were developed. Polycaprolactone (PCL) and DIP were successfully mixed without solvents and then vascular grafts were 3D printed. A mixture of high and low molecular weight PCL was used to better ensure the integration of DIP, which would offer the biological functions required above. Moreover, 3D printing technology provides the ability to fabricate structures of precise geometries from a 3D model, enabling to customize the vascular grafts' shape or size. The produced vascular grafts were fully characterized through multiple techniques and the last step was to evaluate their drug release, antiplatelet effect and cytocompatibility. The results suggested that DIP was properly mixed and integrated within the PCL matrix. Moreover, these materials can provide a sustained and linear drug release without any obvious burst release, or any faster initial release rates for 30 days. Compared to PCL alone, a clear reduced platelet deposition in all the DIP-loaded vascular grafts was evidenced. The hemolysis percentage of both materials PCL alone and PCL containing 20% DIP were lower than 4%. Moreover, PCL and 20% DIP loaded grafts were able to provide a supportive environment for cellular attachment, viability, and growth.
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Affiliation(s)
- Juan Domínguez-Robles
- School of Pharmacy, Queen's University Belfast, Lisburn Road 97, Belfast BT9 7BL, UK
| | - Tingjun Shen
- School of Pharmacy, Queen's University Belfast, Lisburn Road 97, Belfast BT9 7BL, UK
| | - Victoria A Cornelius
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Francesca Corduas
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Jordanstown Campus, Newtownabbey BT37 0QB, UK
| | - Elena Mancuso
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Jordanstown Campus, Newtownabbey BT37 0QB, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Lisburn Road 97, Belfast BT9 7BL, UK
| | - Andriana Margariti
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Dimitrios A Lamprou
- School of Pharmacy, Queen's University Belfast, Lisburn Road 97, Belfast BT9 7BL, UK
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, Lisburn Road 97, Belfast BT9 7BL, UK.
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26
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Cheng C, Peng X, Qi H, Wang X, Yu X, Wang Y, Yu X. A promising potential candidate for vascular replacement materials with anti-inflammatory action, good hemocompatibility and endotheliocyte-cytocompatibility: phytic acid-fixed amniotic membrane. Biomed Mater 2021; 16. [PMID: 34492639 DOI: 10.1088/1748-605x/ac246d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/07/2021] [Indexed: 12/29/2022]
Abstract
Due to its excellent biocompatibility and anti-inflammatory activity, amniotic membrane (AM) has attracted much attention from scholars. However, its clinical application in vascular reconstruction was limited for poor processability, rapid biodegradation, and insufficient hemocompatibility. A naturally extracted substance with good cytocompatibility, phytic acid (PA), which can quickly form strong and stable hydrogen bonds on the tissue surface, was used to crosslink decellularized AM (DAM) to prepare a novel vascular replacement material. The results showed that PA-fixed AM had excellent mechanical strength and resistance to enzymatic degradation as well as appropriate surface hydrophilicity. Among all samples, 2% PA-fixed specimen showed excellent human umbilical vein endothelial cells (HUVECs)-cytocompatibility and hemocompatibility. It could also stimulate the secretion of vascular endothelial growth factor and endothelin-1 from seeded HUVECs, indicating that PA might promote neovascularization after implantation of PA-fixed specimens. Also, 2% PA-fixed specimen could inhibit the secretion of tumor necrosis factor-αfrom co-cultured macrophages, thus might reduce the inflammatory response after sample implantation. Finally, the results ofex vivoblood test andin vivoexperiments confirmed our deduction that PA might promote neovascularization after implantation. All the results indicated that prepared PA-fixed DAM could be considered as a promising small-diameter vascular replacement material.
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Affiliation(s)
- Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Xu Peng
- Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, People's Republic of China
| | - Hao Qi
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Xu Wang
- Chengdu University of TCM, College of Acupuncture and Massage College, No. 37, Twelve Bridge Road, Chengdu, Sichuan Province 610075, People's Republic of China
| | - Xiaoshuang Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Yuhang Wang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, People's Republic of China
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27
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Endothelial cells performance on 3D electrospun PVA/graphene nanocomposite tubular scaffolds. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-020-03340-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Assessment of Electrospun Pellethane-Based Scaffolds for Vascular Tissue Engineering. MATERIALS 2021; 14:ma14133678. [PMID: 34279249 PMCID: PMC8269885 DOI: 10.3390/ma14133678] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/12/2021] [Accepted: 06/28/2021] [Indexed: 11/16/2022]
Abstract
We examined the physicochemical properties and the biocompatibility and hemocompatibility of electrospun 3D matrices produced using polyurethane Pellethane 2363-80A (Pel-80A) blends Pel-80A with gelatin or/and bivalirudin. Two layers of vascular grafts of 1.8 mm in diameter were manufactured and studied for hemocompatibility ex vivo and functioning in the infrarenal position of Wistar rat abdominal aorta in vivo (n = 18). Expanded polytetrafluoroethylene (ePTFE) vascular grafts of similar diameter were implanted as a control (n = 18). Scaffolds produced from Pel-80A with Gel showed high stiffness with a long proportional limit and limited influence of wetting on mechanical characteristics. The electrospun matrices with gelatin have moderate capacity to support cell adhesion and proliferation (~30–47%), whereas vascular grafts with bivalirudin in the inner layer have good hemocompatibility ex vivo. The introduction of bivalirudin into grafts inhibited platelet adhesion and does not lead to a change hemolysis and D-dimers concentration. Study in vivo indicates the advantages of Pel-80A grafts over ePTFE in terms of graft occlusion, calcification level, and blood velocity after 6 months of implantation. The thickness of neointima in Pel-80A–based grafts stabilizes after three months (41.84 ± 20.21 µm) and does not increase until six months, demonstrating potential for long-term functioning without stenosis and as a suitable candidate for subsequent preclinical studies in large animals.
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Fazal F, Raghav S, Callanan A, Koutsos V, Radacsi N. Recent advancements in the bioprinting of vascular grafts. Biofabrication 2021; 13. [PMID: 34102613 DOI: 10.1088/1758-5090/ac0963] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 06/08/2021] [Indexed: 02/07/2023]
Abstract
Recent advancements in the bioinks and three-dimensional (3D) bioprinting methods used to fabricate vascular constructs are summarized herein. Critical biomechanical properties required to fabricate an ideal vascular graft are highlighted, as well as various testing methods have been outlined to evaluate the bio-fabricated grafts as per the Food and Drug Administration (FDA) and International Organization for Standardization (ISO) guidelines. Occlusive artery disease and cardiovascular disease are the major causes of death globally. These diseases are caused by the blockage in the arteries, which results in a decreased blood flow to the tissues of major organs in the body, such as the heart. Bypass surgery is often performed using a vascular graft to re-route the blood flow. Autologous grafts represent a gold standard for such bypass surgeries; however, these grafts may be unavailable due to the previous harvesting or possess a poor quality. Synthetic grafts serve well for medium to large-sized vessels, but they fail when used to replace small-diameter vessels, generally smaller than 6 mm. Various tissue engineering approaches have been used to address the urgent need for vascular graft that can withstand hemodynamic blood pressure and has the ability to grow and remodel. Among these approaches, 3D bioprinting offers an attractive solution to construct patient-specific vessel grafts with layered biomimetic structures.
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Affiliation(s)
- Faraz Fazal
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, EH9 3FB Edinburgh, United Kingdom.,Department of Mechanical Engineering, University of Engineering and Technology, Lahore, (New Campus) Pakistan
| | - Sakshika Raghav
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, EH9 3FB Edinburgh, United Kingdom
| | - Anthony Callanan
- School of Engineering, Institute for Bioengineering, The University of Edinburgh, The King's Buildings, EH9 3JL Edinburgh, United Kingdom
| | - Vasileios Koutsos
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, EH9 3FB Edinburgh, United Kingdom
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes, The University of Edinburgh, Robert Stevenson Road, EH9 3FB Edinburgh, United Kingdom
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30
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Huang L, Guo S, Jiang Y, Shen Q, Li L, Shi Y, Xie H, Tian J. A preliminary study on polycaprolactone and gelatin-based bilayered tubular scaffolds with hierarchical pore size constructed from nano and microfibers for vascular tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:1791-1809. [PMID: 34082651 DOI: 10.1080/09205063.2021.1938857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Due to the insufficient endothelialization and the poor colonization of smooth muscle cells (SMCs), small-diameter vascular tissue engineering is still challenging. An ideal vascular graft is expected to effectively support the formation of endothelial monolayer and the colonization of SMCs. In this study, we proposed a bilayered scaffold with hierarchical pore size constructed from nano and microfibers by electrospinning PCL-PEG-PCL (PCE) and a blend of PCE and gelatin (PCEG) sequentially. The structural features of nano and microfibers were tuned by the concentration of PCE and the proportion of PCE/gelatin in electrospun solution respectively. The results demonstrated the best nanofiber morphology and relatively high mechanical properties were achieved in 18% PCE (w/v) (PCE18) and PCE and gelatin with a weight ratio of 7:3 (P7G3) at a concentration of 18% (w/v) electrospun membranes. The in vitro co-culturing studies of cells and membranes indicated all the PCE membranes supported the proliferation and spreading of endothelial cells and the further endothelialization of the membranous surface, while PCEG membranes facilitated the migration inward of SMCs. Taking the porosity and mechanical properties into consideration, PCE18 and P7G3 were chosen to construct the inner and outer layers of the bilayered scaffold with hierarchical pore size respectively. The circumferential ring test demonstrated that the bilayered scaffold has good mechanical property both in dry and wet state. After cells were co-cultured with this bilayered scaffold for 7 days, the results manifested a continuous endothelial monolayer has formed on the luminal surface and the SMCs have started to colonized from outer layers, indicating the vast potential of this bilayered scaffold in vascular remodeling and regeneration.
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Affiliation(s)
- Lin Huang
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Shanzhu Guo
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Yue Jiang
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Quan Shen
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Long Li
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Yan Shi
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Haibo Xie
- College of Materials and Metallurgy, Guizhou University, Guiyang, Guizhou, China
| | - Jialiang Tian
- Medical College, Guizhou University, Guiyang, Guizhou, China
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31
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Zhang Q, Bosch-Rué È, Pérez RA, Truskey GA. Biofabrication of tissue engineering vascular systems. APL Bioeng 2021; 5:021507. [PMID: 33981941 PMCID: PMC8106537 DOI: 10.1063/5.0039628] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 04/02/2021] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of death among persons aged 65 and older in the United States and many other developed countries. Tissue engineered vascular systems (TEVS) can serve as grafts for CVD treatment and be used as in vitro model systems to examine the role of various genetic factors during the CVD progressions. Current focus in the field is to fabricate TEVS that more closely resembles the mechanical properties and extracellular matrix environment of native vessels, which depends heavily on the advance in biofabrication techniques and discovery of novel biomaterials. In this review, we outline the mechanical and biological design requirements of TEVS and explore the history and recent advances in biofabrication methods and biomaterials for tissue engineered blood vessels and microvascular systems with special focus on in vitro applications. In vitro applications of TEVS for disease modeling are discussed.
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Affiliation(s)
- Qiao Zhang
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708, USA
| | - Èlia Bosch-Rué
- Bioengineering Institute of Technology (BIT), Universitat Internacional de Catalunya (UIC), Sant Cugat del Vallès 08195, Spain
| | - Román A. Pérez
- Bioengineering Institute of Technology (BIT), Universitat Internacional de Catalunya (UIC), Sant Cugat del Vallès 08195, Spain
| | - George A. Truskey
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708, USA
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Zeng Z, Hu C, Liang Q, Tang L, Cheng D, Ruan C. Coaxial-printed small-diameter polyelectrolyte-based tubes with an electrostatic self-assembly of heparin and YIGSR peptide for antithrombogenicity and endothelialization. Bioact Mater 2021; 6:1628-1638. [PMID: 33313443 PMCID: PMC7701915 DOI: 10.1016/j.bioactmat.2020.10.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 11/27/2022] Open
Abstract
Low patency ratio of small-diameter vascular grafts remains a major challenge due to the occurrence of thrombosis formation and intimal hyperplasia after transplantation. Although developing the functional coating with release of bioactive molecules on the surface of small-diameter vascular grafts are reported as an effective strategy to improve their patency ratios, it is still difficult for current functional coatings cooperating with spatiotemporal control of bioactive molecules release to mimic the sequential requirements for antithrombogenicity and endothelialization. Herein, on basis of 3D-printed polyelectrolyte-based vascular grafts, a biologically inspired release system with sequential release in spatiotemporal coordination of dual molecules through an electrostatic self-assembly was first described. A series of tubes with tunable diameters were initially fabricated by a coaxial extrusion printing method with customized nozzles, in which a polyelectrolyte ink containing of ε-polylysine and sodium alginate was used. Further, dual bioactive molecules, heparin with negative charges and Tyr-Ile-Gly-Ser-Arg (YIGSR) peptide with positive charges were layer-by-layer assembled onto the surface of these 3D-printed tubes. Due to the electrostatic interaction, the sequential release of heparin and YIGSR was demonstrated and could construct a dynamic microenvironment that was thus conducive to the antithrombogenicity and endothelialization. This study opens a new avenue to fabricate a small-diameter vascular graft with a biologically inspired release system based on electrostatic interaction, revealing a huge potential for development of small-diameter artificial vascular grafts with good patency.
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Affiliation(s)
- Zhiwen Zeng
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
| | - Chengshen Hu
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Qingfei Liang
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Lan Tang
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Delin Cheng
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Changshun Ruan
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
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Lepedda AJ, Nieddu G, Formato M, Baker MB, Fernández-Pérez J, Moroni L. Glycosaminoglycans: From Vascular Physiology to Tissue Engineering Applications. Front Chem 2021; 9:680836. [PMID: 34084767 PMCID: PMC8167061 DOI: 10.3389/fchem.2021.680836] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 05/03/2021] [Indexed: 12/27/2022] Open
Abstract
Cardiovascular diseases represent the number one cause of death globally, with atherosclerosis a major contributor. Despite the clinical need for functional arterial substitutes, success has been limited to arterial replacements of large-caliber vessels (diameter > 6 mm), leaving the bulk of demand unmet. In this respect, one of the most challenging goals in tissue engineering is to design a "bioactive" resorbable scaffold, analogous to the natural extracellular matrix (ECM), able to guide the process of vascular tissue regeneration. Besides adequate mechanical properties to sustain the hemodynamic flow forces, scaffold's properties should include biocompatibility, controlled biodegradability with non-toxic products, low inflammatory/thrombotic potential, porosity, and a specific combination of molecular signals allowing vascular cells to attach, proliferate and synthesize their own ECM. Different fabrication methods, such as phase separation, self-assembly and electrospinning are currently used to obtain nanofibrous scaffolds with a well-organized architecture and mechanical properties suitable for vascular tissue regeneration. However, several studies have shown that naked scaffolds, although fabricated with biocompatible polymers, represent a poor substrate to be populated by vascular cells. In this respect, surface functionalization with bioactive natural molecules, such as collagen, elastin, fibrinogen, silk fibroin, alginate, chitosan, dextran, glycosaminoglycans (GAGs), and growth factors has proven to be effective. GAGs are complex anionic unbranched heteropolysaccharides that represent major structural and functional ECM components of connective tissues. GAGs are very heterogeneous in terms of type of repeating disaccharide unit, relative molecular mass, charge density, degree and pattern of sulfation, degree of epimerization and physicochemical properties. These molecules participate in a number of vascular events such as the regulation of vascular permeability, lipid metabolism, hemostasis, and thrombosis, but also interact with vascular cells, growth factors, and cytokines to modulate cell adhesion, migration, and proliferation. The primary goal of this review is to perform a critical analysis of the last twenty-years of literature in which GAGs have been used as molecular cues, able to guide the processes leading to correct endothelialization and neo-artery formation, as well as to provide readers with an overall picture of their potential as functional molecules for small-diameter vascular regeneration.
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Affiliation(s)
| | - Gabriele Nieddu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Marilena Formato
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Matthew Brandon Baker
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht, Netherlands
| | - Julia Fernández-Pérez
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht, Netherlands
| | - Lorenzo Moroni
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht, Netherlands
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Chew CH, Huang WT, Yang TS, Chen A, Wu YM, Wu MS, Chen CC. Ultra-High Packing Density Next Generation Microtube Array Membrane for Absorption Based Applications. MEMBRANES 2021; 11:273. [PMID: 33917933 PMCID: PMC8068329 DOI: 10.3390/membranes11040273] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/24/2021] [Accepted: 03/28/2021] [Indexed: 01/09/2023]
Abstract
Previously, we successfully developed an extracorporeal endotoxin removal device (EERD) that is based on the novel next generation alternating microtube array membrane (MTAM-A) that was superior to the commercial equivalent. In this article, we demonstrated multiple different parameter modifications that led to multiple different types of novel new MTAM structures, which ultimately led to the formation of the MTAM-A. Contrary to the single layered MTAM, the MTAM-A series consisted of a superior packing density fiber connected in a double layered, alternating position which allowed for the greater fiber count to be packed per unit area. The respective MTAM variants were electrospun by utilizing our internally developed tri-axial electrospinning set up to produce the novel microstructures as seen in the respective MTAM variants. A key uniqueness of this study is the ability to produce self-arranged fibers into the respective MTAM variants by utilizing a single spinneret, which has not been demonstrated before. Of the MTAM variants, we observed a change in the microstructure from a single layered MTAM to the MTAM-A series when the ratio of surfactant to shell flow rate approaches 1:1.92. MTAM-A registered the greatest surface area of 2.2 times compared to the traditional single layered MTAM, with the greatest tensile strength at 1.02 ± 0.13 MPa and a maximum elongation of 57.70 ± 9.42%. The MTAM-A was selected for downstream immobilization of polymyxin B (PMB) and assembly into our own internally developed and fabricated dialyzer housing. Subsequently, the entire setup was tested with whole blood spiked with endotoxin; and benchmarked against commercial Toraymyxin fibers of the same size. The results demonstrated that the EERD based on the MTAM-A performed superior to that of the commercial equivalent, registering a rapid reduction of 73.18% of endotoxin (vs. Toraymyxin at 38.78%) at time point 15 min and a final total endotoxin removal of 89.43% (vs. Toraymyxin at 65.03%).
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Affiliation(s)
- Chee Ho Chew
- Graduate Institute of Biomedical Materials & Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan; (C.H.C.); (W.-T.H.); (Y.M.W.)
| | - Wan-Ting Huang
- Graduate Institute of Biomedical Materials & Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan; (C.H.C.); (W.-T.H.); (Y.M.W.)
| | - Tzu-Sen Yang
- Graduate Institute of Biomedical Optomechatronics, Taipei Medical University, Taipei 11052, Taiwan;
| | - Amanda Chen
- Department of Biology, University of Washington, Seattle, WA 98195, USA;
| | - Yun Ming Wu
- Graduate Institute of Biomedical Materials & Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan; (C.H.C.); (W.-T.H.); (Y.M.W.)
| | - Mai-Szu Wu
- Division of Nephrology, Taipei Medical University Shuang Ho Hospital, New Taipei City 23561, Taiwan;
- Research Center of Urology and Kidney, Taipei Medical University, Taipei 11052, Taiwan
- Masters and Ph.D. Programs of Mind Brain and Consciousness, College of Humanities and Social Sciences, Taipei Medical University, Taipei 11052, Taiwan
- Center for Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei 11052, Taiwan
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 11052, Taiwan
| | - Chien-Chung Chen
- Graduate Institute of Biomedical Materials & Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan; (C.H.C.); (W.-T.H.); (Y.M.W.)
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 11052, Taiwan
- College of Biomedical Engineering, Taipei Medical University, Taipei 11052, Taiwan
- College of Medicine, Taipei Medical University, Taipei 11052, Taiwan
- College of Pharmacy, Taipei Medical University, Taipei 11052, Taiwan
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35
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Fang S, Ellman DG, Andersen DC. Review: Tissue Engineering of Small-Diameter Vascular Grafts and Their In Vivo Evaluation in Large Animals and Humans. Cells 2021; 10:713. [PMID: 33807009 PMCID: PMC8005053 DOI: 10.3390/cells10030713] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/10/2021] [Accepted: 03/15/2021] [Indexed: 12/15/2022] Open
Abstract
To date, a wide range of materials, from synthetic to natural or a mixture of these, has been explored, modified, and examined as small-diameter tissue-engineered vascular grafts (SD-TEVGs) for tissue regeneration either in vitro or in vivo. However, very limited success has been achieved due to mechanical failure, thrombogenicity or intimal hyperplasia, and improvements of the SD-TEVG design are thus required. Here, in vivo studies investigating novel and relative long (10 times of the inner diameter) SD-TEVGs in large animal models and humans are identified and discussed, with emphasis on graft outcome based on model- and graft-related conditions. Only a few types of synthetic polymer-based SD-TEVGs have been evaluated in large-animal models and reflect limited success. However, some polymers, such as polycaprolactone (PCL), show favorable biocompatibility and potential to be further modified and improved in the form of hybrid grafts. Natural polymer- and cell-secreted extracellular matrix (ECM)-based SD-TEVGs tested in large animals still fail due to a weak strength or thrombogenicity. Similarly, native ECM-based SD-TEVGs and in-vitro-developed hybrid SD-TEVGs that contain xenogeneic molecules or matrix seem related to a harmful graft outcome. In contrast, allogeneic native ECM-based SD-TEVGs, in-vitro-developed hybrid SD-TEVGs with allogeneic banked human cells or isolated autologous stem cells, and in-body tissue architecture (IBTA)-based SD-TEVGs seem to be promising for the future, since they are suitable in dimension, mechanical strength, biocompatibility, and availability.
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Affiliation(s)
- Shu Fang
- Laboratory of Molecular and Cellular Cardiology, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 5000 Odense C, Denmark; (D.G.E.); (D.C.A.)
- The Danish Regenerative Center, Odense University Hospital, J. B. Winsløwsvej 4, 5000 Odense C, Denmark
- Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Ditte Gry Ellman
- Laboratory of Molecular and Cellular Cardiology, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 5000 Odense C, Denmark; (D.G.E.); (D.C.A.)
- Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Ditte Caroline Andersen
- Laboratory of Molecular and Cellular Cardiology, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 5000 Odense C, Denmark; (D.G.E.); (D.C.A.)
- The Danish Regenerative Center, Odense University Hospital, J. B. Winsløwsvej 4, 5000 Odense C, Denmark
- Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
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Liu Q, Ying G, Jiang N, Yetisen AK, Yao D, Xie X, Fan Y, Liu H. Three-dimensional silk fibroin microsphere-nanofiber scaffolds for vascular tissue engineering. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2021. [DOI: 10.1016/j.medntd.2020.100051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Hosseini V, Mallone A, Nasrollahi F, Ostrovidov S, Nasiri R, Mahmoodi M, Haghniaz R, Baidya A, Salek MM, Darabi MA, Orive G, Shamloo A, Dokmeci MR, Ahadian S, Khademhosseini A. Healthy and diseased in vitro models of vascular systems. LAB ON A CHIP 2021; 21:641-659. [PMID: 33507199 DOI: 10.1039/d0lc00464b] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Irregular hemodynamics affects the progression of various vascular diseases, such atherosclerosis or aneurysms. Despite the extensive hemodynamics studies on animal models, the inter-species differences between humans and animals hamper the translation of such findings. Recent advances in vascular tissue engineering and the suitability of in vitro models for interim analysis have increased the use of in vitro human vascular tissue models. Although the effect of flow on endothelial cell (EC) pathophysiology and EC-flow interactions have been vastly studied in two-dimensional systems, they cannot be used to understand the effect of other micro- and macro-environmental parameters associated with vessel wall diseases. To generate an ideal in vitro model of the vascular system, essential criteria should be included: 1) the presence of smooth muscle cells or perivascular cells underneath an EC monolayer, 2) an elastic mechanical response of tissue to pulsatile flow pressure, 3) flow conditions that accurately mimic the hemodynamics of diseases, and 4) geometrical features required for pathophysiological flow. In this paper, we review currently available in vitro models that include flow dynamics and discuss studies that have tried to address the criteria mentioned above. Finally, we critically review in vitro fluidic models of atherosclerosis, aneurysm, and thrombosis.
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Affiliation(s)
- Vahid Hosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Anna Mallone
- Institute of Regenerative Medicine, University of Zurich, Zurich CH-8952, Switzerland
| | - Fatemeh Nasrollahi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Serge Ostrovidov
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and Department of Radiological Sciences, University of California-Los Angeles, CA 90095, USA
| | - Rohollah Nasiri
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Department of Mechanical Engineering, Sharif University of Technology, Tehran 1136511155, Iran
| | - Mahboobeh Mahmoodi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Department of Biomedical Engineering, Yazd Branch, Islamic Azad University, Yazd 8915813135, Iran
| | - Reihaneh Haghniaz
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Avijit Baidya
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA
| | - M Mehdi Salek
- School of Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA
| | - Mohammad Ali Darabi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain and Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01007, Spain
| | - Amir Shamloo
- Department of Mechanical Engineering, Sharif University of Technology, Tehran 1136511155, Iran
| | - Mehmet R Dokmeci
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Samad Ahadian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, CA 90095, USA and California NanoSystems Institute and Department of Bioengineering, University of California-Los Angeles, CA 90095, USA and Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA.
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Structurally optimized suture resistant polylactic acid (PLA)/poly (є-caprolactone) (PCL) blend based engineered nanofibrous mats. J Mech Behav Biomed Mater 2021; 116:104331. [PMID: 33517099 DOI: 10.1016/j.jmbbm.2021.104331] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/15/2020] [Accepted: 01/12/2021] [Indexed: 12/23/2022]
Abstract
The structural fabrication and optimization of polylactic acid (PLA)/poly (є-caprolactone) (PCL) blend-based bead-free electrospun nanofibrous mats (ENMs) has been carried out by using Response Surface Methodology (RSM) and Taguchi design of experiments (DoE). From the three control parameters i.e., PCL content, N, N- dimethylformamide (DMF) content, and electrospinning solution concentration, the optimal parametric combinations for minimizing the bead defects amongst ENMs were obtained. The parametric optimization outcomes remained identical, from both RSM and Taguchi approaches, irrespective of the difference in the number of experimental trials. The experimental validation of the predicted results from Taguchi-design showed an excellent agreement with >95% accuracy concerning minimization of bead defects and average fiber diameter. The solution concentration was a key determinant in controlling the gross fiber morphology. The quasi-static mechanical response of the optimally designed ENMs showed a distinct role in structural aspects of fibers. The failure responses revealed the role of the structural network of ENMs in controlling the failure stress and network collapse that was also reiterated upon the outcomes of suture retention strength assessment. The optimally designed ENM structures showed a correspondingly optimal level of suture resistance, where fine fibers offered higher resistance to suture failure due to the cooperative network effects unlike the relatively coarse fiber-based ENMs undergoing collapse attributed to fiber buckling and fiber slippage in the labile structural network.
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Hu Q, Shen Z, Zhang H, Liu S, Feng R, Feng J, Ramalingam M. Designed and fabrication of triple-layered vascular scaffold with microchannels. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:714-734. [PMID: 33332231 DOI: 10.1080/09205063.2020.1864083] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Currently, one of the best preparation strategies for the triple-layered vascular scaffold is to imitate the three-layer structure of natural blood vessels to achieve the biofunctional characteristics of vascular transplantation. Here, we developed a combinatorial method to fabricate triple-layered vascular scaffold (TVS) by using electrospinning and coaxial 3 D printing. First, Polycaprolactone-collagen (PCL-Col) was applied to prepared the inner layer of TVS by electrospinning. Second, egg white/sodium alginate (EW/SA) blend hydrogel was extruded to form hollow filaments by coaxial 3 D printing and crosslinking mechanism, which enwound around the surface of the inner layer in a circumferential direction as the intermediate layer of TVS. Finally, electrospun PCL-Col nanofibers were wrapped on the surface of hydrogel layer as the outer layer of TVS. The morphological characterization and mechanical strength of the fabricated TVS were measured. Compared with natural blood vessels, results shown that ultimate tensile stress (UTS), strain to failure (STF), the estimated burst strength and the suture retention strength (SRS) of TVS were superior. Also, the fabricated TVS exhibits good hydrophilicity and excellent flexibility. Moreover, the biocompatibility of TVS was investigated through human umbilical vein endothelial cells (HUVECs), the results demonstrated that cells can successfully attach the surface of graft and maintain high viability. In summary, all of results demonstrated that this method could fabricate a novel triple-layered vascular scaffold, possessing appropriate mechanical properties and good biological properties, which has the potential to be used in tissue engineered vascular grafts applications.
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Affiliation(s)
- Qingxi Hu
- Rapid Manufacturing Engineering Center, Mechatronic Engineering and Automation of Shanghai University, Shanghai, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, China
| | - Zhipeng Shen
- Rapid Manufacturing Engineering Center, Mechatronic Engineering and Automation of Shanghai University, Shanghai, China
| | - Haiguang Zhang
- Rapid Manufacturing Engineering Center, Mechatronic Engineering and Automation of Shanghai University, Shanghai, China.,Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai University, Shanghai, China
| | - Suihong Liu
- Rapid Manufacturing Engineering Center, Mechatronic Engineering and Automation of Shanghai University, Shanghai, China
| | - Rui Feng
- Department of Vascular Surgery, Changhai Hospital, Shanghai, China
| | - Jiaxuan Feng
- Department of Vascular Surgery, Changhai Hospital, Shanghai, China
| | - Murugan Ramalingam
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular and Molecular Theranostics, School of Mechanical Engineering, Vellore Institute of Technology, Vellore, India
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Murphy R, Turcott A, Banuelos L, Dowey E, Goodwin B, Cardinal KO. SIMPoly: A Matlab-Based Image Analysis Tool to Measure Electrospun Polymer Scaffold Fiber Diameter. Tissue Eng Part C Methods 2020; 26:628-636. [PMID: 33256558 PMCID: PMC7768983 DOI: 10.1089/ten.tec.2020.0304] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Quantifying fiber diameter is important for characterizing electrospun polymer scaffolds. Many researchers use manual measurement methods, which can be time-consuming and variable. Semi-automated tools exist, but there is room for improvement. The current work used Matlab to develop an image analysis program to quickly and consistently measure fiber diameter in scanning electron micrographs. The new Matlab method, termed “SIMPoly” (Semiautomated Image Measurements of Polymers) was validated by using synthetic images with known fiber size and was found to be accurate. The Matlab method was also applied by three different researchers to scanning electron microscopy (SEM) images of electrospun poly(lactic-co-glycolic acid) (PLGA). Results were compared with the semi-automated DiameterJ method and a manual ImageJ measurement approach, and it was found that the Matlab-based SIMPoly method provided measurements in the expected range and with the least variability between researchers. In conclusion, this work provides and describes SIMPoly, a Matlab-based image analysis method that can simply and accurately measure polymer fiber diameters in SEM images with minimal variation between users.
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Affiliation(s)
- Ryan Murphy
- Biomedical Engineering Department, Cal Poly, San Luis Obispo, California, USA
| | - Ashley Turcott
- Biomedical Engineering Department, Cal Poly, San Luis Obispo, California, USA
| | - Leo Banuelos
- Biomedical Engineering Department, Cal Poly, San Luis Obispo, California, USA
| | - Evan Dowey
- Biomedical Engineering Department, Cal Poly, San Luis Obispo, California, USA
| | - Benjamin Goodwin
- Biomedical Engineering Department, Cal Poly, San Luis Obispo, California, USA
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Hierarchical porous silk fibroin/poly(L-lactic acid) fibrous membranes towards vascular scaffolds. Int J Biol Macromol 2020; 166:1111-1120. [PMID: 33159945 DOI: 10.1016/j.ijbiomac.2020.10.266] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/27/2020] [Accepted: 10/31/2020] [Indexed: 11/21/2022]
Abstract
Fibrous membranes played an important role to prepare tubular scaffolds for muscular artery regeneration. In this study, a strategy has been developed to combine silk fibroin (SF) with highly porous electrospun poly(L-lactic acid) (PLLA) fibrous membrane towards vascular scaffolds. After PLLA fibres were electrospun and collected, they were immersed into acetone to generate a porous structure with ultra-high surface area. While the pores on PLLA fibres were fulfilled with SF solution and dried, SF was coated uniformly and tightly on PLLA fibres. A multi-layer tubular structure of the tunica media was simulated by winding and stacking a strip of electrospun fibrous membrane. In vitro viability and morphology studies of A7r5 smooth muscle cells were undertaken for up to 14 days. Because the hydrophilicity of SF/PLLA composite fibres were improved dramatically, it had a positive effect on cell adhesion rate (97%) and proliferation (64.4%). Moreover, good cell morphology was observed via a multiphoton laser confocal microscope on SF/PLLA bioactive materials. These results demonstrated that the hierarchical porous SF/PLLA fibrous membranes are promising off-the-shelf scaffolds for muscular artery regeneration.
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Vigneswari S, Chai JM, Kamarudin KH, Amirul AAA, Focarete ML, Ramakrishna S. Elucidating the Surface Functionality of Biomimetic RGD Peptides Immobilized on Nano-P(3HB- co-4HB) for H9c2 Myoblast Cell Proliferation. Front Bioeng Biotechnol 2020; 8:567693. [PMID: 33195129 PMCID: PMC7653028 DOI: 10.3389/fbioe.2020.567693] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 10/06/2020] [Indexed: 12/23/2022] Open
Abstract
Biomaterial scaffolds play crucial role to promote cell proliferation and foster the regeneration of new tissues. The progress in material science has paved the way for the generation of ingenious biomaterials. However, these biomaterials require further optimization to be effectively used in existing clinical treatments. It is crucial to develop biomaterials which mimics structure that can be actively involved in delivering signals to cells for the formation of the regenerated tissue. In this research we nanoengineered a functional scaffold to support the proliferation of myoblast cells. Poly(3-hydroxybutyrate-co-4-hydroxybutyrate) [P(3HB-co-4HB)] copolymer is chosen as scaffold material owing to its desirable mechanical and physical properties combined with good biocompatibility, thus eliciting appropriate host tissue responses. In this study P(3HB-co-4HB) copolymer was biosynthesized using Cupriavidus malaysiensis USMAA1020 transformant harboring additional PHA synthase gene, and the viability of a novel P(3HB-co-4HB) electrospun nanofiber scaffold, surface functionalized with RGD peptides, was explored. In order to immobilize RGD peptides molecules onto the P(3HB-co-4HB) nanofibers surface, an aminolysis reaction was performed. The nanoengineered scaffolds were characterized using SEM, organic elemental analysis (CHN analysis), FTIR, surface wettability and their in vitro degradation behavior was evaluated. The cell culture study using H9c2 myoblast cells was conducted to assess the in vitro cellular response of the engineered scaffold. Our results demonstrated that nano-P(3HB-co-4HB)-RGD scaffold possessed an average fiber diameter distribution between 200 and 300 nm, closely biomimicking, from a morphological point of view, the structural ECM components, thus acting as potential ECM analogs. This study indicates that the surface conjugation of biomimetic RGD peptide to the nano-P(3HB-co-4HB) fibers increased the surface wettability (15 ± 2°) and enhanced H9c2 myoblast cells attachment and proliferation. In summary, the study reveals that nano-P(3HB-co-4HB)-RGD scaffold can be considered a promising candidate to be further explored as cardiac construct for building cardiac construct.
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Affiliation(s)
- Sevakumaran Vigneswari
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
| | - Jun Meng Chai
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
| | - Khadijah Hilmun Kamarudin
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
| | - Al-Ashraf Abdullah Amirul
- School of Biological Sciences, Universiti Sains Malaysia, George Town, Malaysia
- Centre for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, Malaysia
| | - Maria Letizia Focarete
- Department of Chemistry “Giacomo Ciamician” and INSTM UdR of Bologna, University of Bologna, Bologna, Italy
- Health Sciences and Technologies-Interdepartmental Center for Industrial Research (HST-ICIR), University of Bologna, Ozzano Emilia, Italy
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore, Singapore
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Zhou X, Nowicki M, Sun H, Hann SY, Cui H, Esworthy T, Lee JD, Plesniak M, Zhang LG. 3D Bioprinting-Tunable Small-Diameter Blood Vessels with Biomimetic Biphasic Cell Layers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:45904-45915. [PMID: 33006880 DOI: 10.1021/acsami.0c14871] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Blood vessel damage resulting from trauma or diseases presents a serious risk of morbidity and mortality. Although synthetic vascular grafts have been successfully commercialized for clinical use, they are currently only readily available for large-diameter vessels (>6 mm). Small-diameter vessel (<6 mm) replacements, however, still present significant clinical challenges worldwide. The primary objective of this study is to create novel, tunable, small-diameter blood vessels with biomimetic two distinct cell layers [vascular endothelial cell (VEC) and vascular smooth muscle cell (VSMC)] using an advanced coaxial 3D-bioplotter platform. Specifically, the VSMCs were laden in the vessel wall and VECs grew in the lumen to mimic the natural composition of the blood vessel. First, a novel bioink consisting of VSMCs laden in gelatin methacryloyl (GelMA)/polyethylene(glycol)diacrylate/alginate and lyase was designed. This specific design is favorable for nutrient exchange in an ambient environment and simultaneously improves laden cell proliferation in the matrix pore without the space restriction inherent with substance encapsulation. In the vessel wall, the laden VSMCs steadily grew as the alginate was gradually degraded by lyase leaving more space for cell proliferation in matrices. Through computational fluid dynamics simulation, the vessel demonstrated significantly perfusable and mechanical properties under various flow velocities, flow viscosities, and temperature conditions. Moreover, both VSMCs in the scaffold matrix and VECs in the lumen steadily proliferated over time creating a significant two-cell-layered structure. Cell proliferation was confirmed visually through staining the markers of alpha-smooth muscle actin and cluster of differentiation 31, commonly tied to angiogenesis phenomena, in the vessel matrices and lumen, respectively. Furthermore, the results were confirmed quantitatively through gene analysis which suggested good angiogenesis expression in the blood vessels. This study demonstrated that the printed blood vessels with two distinct cell layers of VECs and VSMCs could be potential candidates for clinical small-diameter blood vessel replacement applications.
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Affiliation(s)
- Xuan Zhou
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Margaret Nowicki
- Department of Civil and Mechanical Engineering, The United States Military Academy, West Point, New York 10996, United States
| | - Hao Sun
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Sung Yun Hann
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Haitao Cui
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Timothy Esworthy
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - James D Lee
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Michael Plesniak
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
| | - Lijie Grace Zhang
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington District of Columbia 20052, United States
- Department of Biomedical Engineering, The George Washington University, Washington District of Columbia 20052, United States
- Department of Electrical and Computer Engineering, The George Washington University, Washington District of Columbia 20052, United States
- Department of Medicine, The George Washington University, Washington District of Columbia 20052, United States
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Han JH, Ko UH, Kim HJ, Kim S, Jeon JS, Shin JH. Electrospun Microvasculature for Rapid Vascular Network Restoration. Tissue Eng Regen Med 2020; 18:89-97. [PMID: 32914287 DOI: 10.1007/s13770-020-00292-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/31/2020] [Accepted: 08/02/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Sufficient blood supply through neo-vasculature is a major challenge in cell therapy and tissue engineering in order to support the growth, function, and viability of implanted cells. However, depending on the implant size and cell types, the natural process of angiogenesis may not provide enough blood supply for long term survival of the implants, requiring supplementary strategy to prevent local ischemia. Many researchers have reported the methodologies to form pre-vasculatures that mimic in vivo microvessels for implantation to promote angiogenesis. These approaches successfully showed significant enhancement in long-term survival and regenerative functions of implanted cells, yet there remains room for improvement. METHODS This paper suggests a proof-of-concept strategy to utilize novel scaffolds of dimpled/hollow electrospun fibers that enable the formation of highly mature pre-vasculatures with adequate dimensions and fast degrading in the tissue. RESULT Higher surface roughness improved the maturity of endothelial cells mediated by increased cell-scaffold affinity. The degradation of scaffold material for functional restoration of the neo-vasculatures was also expedited by employing the hollow scaffold design based on co-axial electrospinning techniques. CONCLUSION This unique scaffold-based pre-vasculature can hold implanted cells and tissue constructs for a prolonged time while minimizing the cellular loss, manifesting as a gold standard design for transplantable scaffolds.
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Affiliation(s)
- Je-Hyun Han
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Ung Hyun Ko
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hyo Jun Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seunggyu Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jessie S Jeon
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jennifer H Shin
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
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Parham S, Kharazi AZ, Bakhsheshi-Rad HR, Ghayour H, Ismail AF, Nur H, Berto F. Electrospun Nano-Fibers for Biomedical and Tissue Engineering Applications: A Comprehensive Review. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2153. [PMID: 32384813 PMCID: PMC7254207 DOI: 10.3390/ma13092153] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/23/2020] [Indexed: 01/03/2023]
Abstract
Pharmaceutical nano-fibers have attracted widespread attention from researchers for reasons such as adaptability of the electro-spinning process and ease of production. As a flexible method for fabricating nano-fibers, electro-spinning is extensively used. An electro-spinning unit is composed of a pump or syringe, a high voltage current supplier, a metal plate collector and a spinneret. Optimization of the attained nano-fibers is undertaken through manipulation of the variables of the process and formulation, including concentration, viscosity, molecular mass, and physical phenomenon, as well as the environmental parameters including temperature and humidity. The nano-fibers achieved by electro-spinning can be utilized for drug loading. The mixing of two or more medicines can be performed via electro-spinning. Facilitation or inhibition of the burst release of a drug can be achieved by the use of the electro-spinning approach. This potential is anticipated to facilitate progression in applications of drug release modification and tissue engineering (TE). The present review aims to focus on electro-spinning, optimization parameters, pharmacological applications, biological characteristics, and in vivo analyses of the electro-spun nano-fibers. Furthermore, current developments and upcoming investigation directions are outlined for the advancement of electro-spun nano-fibers for TE. Moreover, the possible applications, complications and future developments of these nano-fibers are summarized in detail.
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Affiliation(s)
- Shokoh Parham
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran; (S.P.); (A.Z.K.)
| | - Anousheh Zargar Kharazi
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran; (S.P.); (A.Z.K.)
| | - Hamid Reza Bakhsheshi-Rad
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;
| | - Hamid Ghayour
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Center (AMTEC), Universiti Teknologi Malaysia, Skudai, Johor Bahru, Johor 81310, Malaysia;
| | - Hadi Nur
- Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, UTM Skudai, Johor 81310, Malaysia;
- Central Laboratory of Minerals and Advanced Materials, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, Malang 65145, Indonesia
| | - Filippo Berto
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, 7491 Trondheim, Norway
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46
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Magnan L, Labrunie G, Fénelon M, Dusserre N, Foulc MP, Lafourcade M, Svahn I, Gontier E, Vélez V. J, McAllister TN, L'Heureux N. Human textiles: A cell-synthesized yarn as a truly "bio" material for tissue engineering applications. Acta Biomater 2020; 105:111-120. [PMID: 31996332 DOI: 10.1016/j.actbio.2020.01.037] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 01/06/2023]
Abstract
In the field of tissue engineering, many groups have come to rely on the extracellular matrix produced by cells as the scaffold that provides structure and strength to the engineered tissue. We have previously shown that sheets of Cell-Assembled extracellular Matrix (CAM), which are entirely biological yet robust, can be mass-produced for clinical applications using normal, adult, human fibroblasts. In this article, we demonstrate that CAM yarns can be generated with a range of physical and mechanical properties. We show that this material can be used as a simple suture to close a wound or can be assembled into fully biological, human, tissue-engineered vascular grafts (TEVGs) that have high mechanical strength and are implantable. By combining this truly "bio" material with a textile-based assembly, this original tissue engineering approach is highly versatile and can produce a variety of strong human textiles that can be readily integrated in the body. STATEMENT OF SIGNIFICANCE: Yarn of synthetic biomaterials have been turned into textiles for decades because braiding, knitting and weaving machines can mass-produce medical devices with a wide range of shapes and mechanical properties. Here, we show that robust, completely biological, and human yarn can be produced by normal cells in vitro. This yarn can be used as a simple suture material or to produce the first human textiles. For example, we produced a woven tissue-engineered vascular grafts with burst pressure, suture retention strength and transmural permeability that surpassed clinical requirements. This novel strategy holds the promise of a next generation of medical textiles that will be mechanically strong without any foreign scaffolding, and will have the ability to truly integrate into the host's body.
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47
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Behr J, Irvine SA, Thwin C, Shah AH, Bae MK, Zussman E, Venkatraman S. Matching Static and Dynamic Compliance of Small‐Diameter Arteries, with Poly(lactide‐
co
‐caprolactone) Copolymers: In Vitro and In Vivo Studies. Macromol Biosci 2020; 20:e1900234. [DOI: 10.1002/mabi.201900234] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 11/06/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Jean‐Marc Behr
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Scott Alexander Irvine
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Chaw‐Su Thwin
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Ankur Harish Shah
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Min‐Chul Kraun Bae
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Eyal Zussman
- Nano Engineering groupFaculty of Mechanical EngineeringTechnion–Israel Institute of Technology Haifa 32000 Israel
| | - Subbu Venkatraman
- School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
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48
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Leyva-Verduzco AA, Castillo-Ortega MM, Chan-Chan LH, Silva-Campa E, Galaz-Méndez R, Vera-Graziano R, Encinas-Encinas JC, Del Castillo-Castro T, Rodríguez-Félix DE, Santacruz-Ortega HDC, Santos-Sauceda I. Electrospun tubes based on PLA, gelatin and genipin in different arrangements for blood vessel tissue engineering. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-03057-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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49
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Li N, Xue F, Zhang H, Sanyour HJ, Rickel AP, Uttecht A, Fanta B, Hu J, Hong Z. Fabrication and Characterization of Pectin Hydrogel Nanofiber Scaffolds for Differentiation of Mesenchymal Stem Cells into Vascular Cells. ACS Biomater Sci Eng 2019; 5:6511-6519. [PMID: 33417803 DOI: 10.1021/acsbiomaterials.9b01178] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Despite significant progress over the past few decades, creating a tissue-engineered vascular graft with replicated functions of native blood vessels remains a challenge due to the mismatch in mechanical properties, low biological function, and rapid occlusion caused by restenosis of small diameter vessel grafts (<6 mm diameter). A scaffold with similar mechanical properties and biocompatibility to the host tissue is ideally needed for the attachment and proliferation of cells to support the building of engineered tissue. In this study, pectin hydrogel nanofiber scaffolds with two different oxidation degrees (25 and 50%) were prepared by a multistep methodology including periodate oxidation, electrospinning, and adipic acid dihydrazide crosslinking. Scanning electron microscopy (SEM) images showed that the obtained pectin nanofiber mats have a nano-sized fibrous structure with 300-400 nm fiber diameter. Physicochemical property testing using Fourier transform infrared (FTIR) spectra, atomic force microscopy (AFM) nanoindentations, and contact angle measurements demonstrated that the stiffness and hydrophobicity of the fiber mat could be manipulated by adjusting the oxidation and crosslinking levels of the pectin hydrogels. Live/Dead staining showed high viability of the mesenchymal stem cells (MSCs) cultured on the pectin hydrogel fiber scaffold for 14 days. In addition, the potential application of pectin hydrogel nanofiber scaffolds of different stiffness in stem cell differentiation into vascular cells was assessed by gene expression analysis. Real-time polymerase chain reaction (RT-PCR) results showed that the stiffer scaffold facilitated the differentiation of MSCs into vascular smooth muscle cells, while the softer fiber mat promoted MSC differentiation into endothelial cells. Altogether, our results indicate that the pectin hydrogel nanofibers have the capability of providing mechanical cues that induce MSC differentiation into vascular cells and can be potentially applied in stem cell-based tissue engineering.
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Affiliation(s)
- Na Li
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
| | - Fuxin Xue
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Hui Zhang
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Hanna J Sanyour
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
| | - Alex P Rickel
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
| | - Andrew Uttecht
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
| | - Betty Fanta
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
- BioSNTR, Sioux Falls, South Dakota 57107, United States
| | - Junli Hu
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Zhongkui Hong
- Department of Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota 57107, United States
- BioSNTR, Sioux Falls, South Dakota 57107, United States
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50
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Doostmohammadi M, Forootanfar H, Ramakrishna S. Regenerative medicine and drug delivery: Progress via electrospun biomaterials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110521. [PMID: 32228899 DOI: 10.1016/j.msec.2019.110521] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 12/01/2019] [Accepted: 12/02/2019] [Indexed: 02/07/2023]
Abstract
Worldwide research on electrospinning enabled it as a versatile technique for producing nanofibers with specified physio-chemical characteristics suitable for diverse biomedical applications. In the case of tissue engineering and regenerative medicine, the nanofiber scaffolds' characteristics are custom designed based on the cells and tissues specific needs. This fabrication technique is also innovated for the production of nanofibers with special micro-structure and secondary structure characteristics such as porous fibers, hollow structure, and core- sheath structure. This review attempts to critically and succinctly capture the vast number of developments reported in the literature over the past two decades. We then discuss their applications as scaffolds for induction of cells growth and differentiation or as architecture for being used as graft for tissue engineering. The special nanofibers designed for improving regeneration of several tissues including heart, bone, central nerve system, spinal cord, skin and ocular tissue are introduced. We also discuss the potential of the electrospinning in drug delivery applications, which is a critical factor for cell culture, tissue formation and wound healing applications.
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Affiliation(s)
- Mohsen Doostmohammadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Forootanfar
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran; Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore.
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