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Liu S, Yang H, Heng X, Yao L, Sun W, Zheng Q, Wu Z, Chen H. Integrating Metabolic Oligosaccharide Engineering and SPAAC Click Chemistry for Constructing Fibrinolytic Cell Surfaces. ACS APPLIED MATERIALS & INTERFACES 2024; 16:35874-35886. [PMID: 38954798 DOI: 10.1021/acsami.4c07619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
To effectively solve the problem of significant loss of transplanted cells caused by thrombosis during cell transplantation, this study simulates the human fibrinolytic system and combines metabolic oligosaccharide engineering with strain-promoted azide-alkyne cycloaddition (SPAAC) click chemistry to construct a cell surface with fibrinolytic activity. First, a copolymer (POL) of oligoethylene glycol methacrylate (OEGMA) and 6-amino-2-(2-methylamido)hexanoic acid (Lys) was synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization, and the dibenzocyclooctyne (DBCO) functional group was introduced into the side chain of the copolymer through an active ester reaction, resulting in a functionalized copolymer DBCO-PEG4-POL with ε-lysine ligands. Then, azide functional groups were introduced onto the surface of HeLa model cells through metabolic oligosaccharide engineering, and DBCO-PEG4-POL was further specifically modified onto the surface of HeLa cells via the SPAAC "click" reaction. In vitro investigations revealed that compared with unmodified HeLa cells, modified cells not only resist the adsorption of nonspecific proteins such as fibrinogen and human serum albumin but also selectively bind to plasminogen in plasma while maintaining good cell viability and proliferative activity. More importantly, upon the activation of adsorbed plasminogen into plasmin, the modified cells exhibited remarkable fibrinolytic activity and were capable of promptly dissolving the primary thrombus formed on their surfaces. This research not only provides a novel approach for constructing transplantable cells with fibrinolytic activity but also offers a new perspective for effectively addressing the significant loss of transplanted cells caused by thrombosis.
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Affiliation(s)
- Shengjie Liu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - He Yang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Xingyu Heng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Lihua Yao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Wei Sun
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Qing Zheng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Zhaoqiang Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Hong Chen
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
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Wang Y, Li G, Yang L, Luo R, Guo G. Development of Innovative Biomaterials and Devices for the Treatment of Cardiovascular Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201971. [PMID: 35654586 DOI: 10.1002/adma.202201971] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/29/2022] [Indexed: 06/15/2023]
Abstract
Cardiovascular diseases have become the leading cause of death worldwide. The increasing burden of cardiovascular diseases has become a major public health problem and how to carry out efficient and reliable treatment of cardiovascular diseases has become an urgent global problem to be solved. Recently, implantable biomaterials and devices, especially minimally invasive interventional ones, such as vascular stents, artificial heart valves, bioprosthetic cardiac occluders, artificial graft cardiac patches, atrial shunts, and injectable hydrogels against heart failure, have become the most effective means in the treatment of cardiovascular diseases. Herein, an overview of the challenges and research frontier of innovative biomaterials and devices for the treatment of cardiovascular diseases is provided, and their future development directions are discussed.
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Affiliation(s)
- Yunbing Wang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Gaocan Li
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Li Yang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
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Zhuang Y, Zhang C, Cheng M, Huang J, Liu Q, Yuan G, Lin K, Yu H. Challenges and strategies for in situ endothelialization and long-term lumen patency of vascular grafts. Bioact Mater 2021; 6:1791-1809. [PMID: 33336112 PMCID: PMC7721596 DOI: 10.1016/j.bioactmat.2020.11.028] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/11/2020] [Accepted: 11/24/2020] [Indexed: 02/08/2023] Open
Abstract
Vascular diseases are the most prevalent cause of ischemic necrosis of tissue and organ, which even result in dysfunction and death. Vascular regeneration or artificial vascular graft, as the conventional treatment modality, has received keen attentions. However, small-diameter (diameter < 4 mm) vascular grafts have a high risk of thrombosis and intimal hyperplasia (IH), which makes long-term lumen patency challengeable. Endothelial cells (ECs) form the inner endothelium layer, and are crucial for anti-coagulation and thrombogenesis. Thus, promoting in situ endothelialization in vascular graft remodeling takes top priority, which requires recruitment of endothelia progenitor cells (EPCs), migration, adhesion, proliferation and activation of EPCs and ECs. Chemotaxis aimed at ligands on EPC surface can be utilized for EPC homing, while nanofibrous structure, biocompatible surface and cell-capturing molecules on graft surface can be applied for cell adhesion. Moreover, cell orientation can be regulated by topography of scaffold, and cell bioactivity can be modulated by growth factors and therapeutic genes. Additionally, surface modification can also reduce thrombogenesis, and some drug release can inhibit IH. Considering the influence of macrophages on ECs and smooth muscle cells (SMCs), scaffolds loaded with drugs that can promote M2 polarization are alternative strategies. In conclusion, the advanced strategies for enhanced long-term lumen patency of vascular grafts are summarized in this review. Strategies for recruitment of EPCs, adhesion, proliferation and activation of EPCs and ECs, anti-thrombogenesis, anti-IH, and immunomodulation are discussed. Ideal vascular grafts with appropriate surface modification, loading and fabrication strategies are required in further studies.
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Affiliation(s)
- Yu Zhuang
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Chenglong Zhang
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Mengjia Cheng
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Jinyang Huang
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Qingcheng Liu
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Guangyin Yuan
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Kaili Lin
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Hongbo Yu
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
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Chen C, Hu J, Wang J. Biosorption of uranium by immobilized Saccharomyces cerevisiae. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2020; 213:106158. [PMID: 31983440 DOI: 10.1016/j.jenvrad.2020.106158] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/31/2019] [Accepted: 01/02/2020] [Indexed: 06/10/2023]
Abstract
A novel biosorbent was prepared and applied for the removal of uranium from aqueous solution. A new immobilization method was studied and used to embed living yeast cells of Saccharomyces cerevisiae (2% w/v) by sodium sulfate (0.5 mol/L) based on saturated boric acid-alginate calcium cross-linking method. The swelling ratio, hydraulic and chemical stability and bioactivity of immobilized microbial cells were examined. Their ultra-microstructure and property were observed by SEM, TEM and FTIR techniques. The influencing factors, such as contact time, initial uranium concentration, and initial pH were investigated. The adsorption capacity of biosorbent increased from 0.75 to 113.4 μmol/g when the equilibrium concentration of U was 0.9, and 43.9 μmol/L, respectively. U adsorption followed pseudo first-order kinetic model. SEM-EDS and TEM-EDS observation indicated that uranium was adsorbed both on the surface and the inner parts of the biosorbent. FTIR and the XPS results confirmed the role of oxygen in capturing uranium from aqueous solution. XPS analysis showed that the mixture of U (VI) and U (IV) existed on the surface of biosorbent, which evidenced that uranium was microbiologically reduced.
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Affiliation(s)
- Can Chen
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, PR China
| | - Jun Hu
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, PR China
| | - Jianlong Wang
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, PR China; Beijing Key Laboratory of Radioactive Waste Treatment, Tsinghua University, Beijing, 100084, PR China.
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Liu S, Cao Y, Wu Z, Chen H. Reactive films fabricated using click sulfur(vi)–fluoride exchange reactions via layer-by-layer assembly. J Mater Chem B 2020; 8:5529-5534. [DOI: 10.1039/d0tb00908c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We describe a novel and efficient method to generate tunable multifunctional polymer films with a wide range of potential biomedical applications using the “sulfur(vi)–fluoride exchange” (SuFEx) click reaction.
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Affiliation(s)
- Shengjie Liu
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center for New Type Urbanization and Social Governance of Jiangsu Province
- Soochow University
- Suzhou 215123
| | - Yanping Cao
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center for New Type Urbanization and Social Governance of Jiangsu Province
- Soochow University
- Suzhou 215123
| | - Zhaoqiang Wu
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center for New Type Urbanization and Social Governance of Jiangsu Province
- Soochow University
- Suzhou 215123
| | - Hong Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center for New Type Urbanization and Social Governance of Jiangsu Province
- Soochow University
- Suzhou 215123
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Yu DG, Yang C, Jin M, Williams GR, Zou H, Wang X, Bligh SWA. Medicated Janus fibers fabricated using a Teflon-coated side-by-side spinneret. Colloids Surf B Biointerfaces 2015; 138:110-6. [PMID: 26674839 DOI: 10.1016/j.colsurfb.2015.11.055] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 11/07/2015] [Accepted: 11/26/2015] [Indexed: 01/03/2023]
Abstract
A family of medicated Janus fibers that provides highly tunable biphasic drug release was fabricated using a side-by-side electrospinning process employing a Teflon-coated parallel spinneret. The coated spinneret facilitated the formation of a Janus Taylor cone and in turn high quality integrated Janus structures, which could not be reliably obtained without the Teflon coating. The fibers prepared had one side consisting of polyvinylpyrrolidone (PVP) K60 and ketoprofen, and the other of ethyl cellulose (EC) and ketoprofen. To modulate and tune drug release, PVP K10 was doped into the EC side in some cases. The fibers were linear and had flat morphologies with an indent in the center. They provide biphasic drug release, with the PVP K60 side dissolving very rapidly to deliver a loading dose of the active ingredient, and the EC side resulting in sustained release of the remaining ketoprofen. The addition of PVP K10 to the EC side was able to accelerate the second stage of release; variation in the dopant amount permitted the release rate and extent this phase to be precisely tuned. These results offer the potential to rationally design systems with highly controllable drug release profiles, which can complement natural biological rhythms and deliver maximum therapeutic effects.
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Affiliation(s)
- Deng-Guang Yu
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
| | - Chen Yang
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Miao Jin
- UCL School of Pharmacy, University College London, London WC1N 1AX, UK
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, London WC1N 1AX, UK
| | - Hua Zou
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xia Wang
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
| | - S W Annie Bligh
- Faculty of Science and Technology, University of Westminster, 115 New Cavendish Street, London W1W 6UW, UK.
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Tang Z, Li D, Wang X, Gong H, Luan Y, Liu Z, Brash JL, Chen H. A t-PA/nanoparticle conjugate with fully retained enzymatic activity and prolonged circulation time. J Mater Chem B 2015; 3:977-982. [PMID: 32261976 DOI: 10.1039/c4tb01625d] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A major issue in the therapeutic use of tissue plasminogen activator (t-PA) for the treatment of thrombotic diseases is its very short half-life in the circulation due to the effects of inhibitors. The present study aims to resolve the issue using a t-PA/gold nanoparticle (t-PA/AuNP) conjugate prepared via bio-affinity ligation under physiological conditions. The ligation is based on the specific interactions between t-PA and ε-lysine (a ligand that has affinity to a specific domain in t-PA) immobilized on the AuNP surface through polyvinyl pyrrolidone (PVP) as a spacer. The conjugate can not only retain almost full enzymatic activity and clot dissolving efficiency, but also protect t-PA from inhibition by PAI-1 to some extent as compared with free t-PA in vitro. Moreover, the conjugate showed prolonged circulation time in vivo.
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Affiliation(s)
- Zengchao Tang
- Department of Chemical Engineering and Materials Science, College of Chemistry, Soochow University, 199 Ren'ai Rd, Suzhou 215123, Jiangsu, P. R. China.
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Ren X, Feng Y, Guo J, Wang H, Li Q, Yang J, Hao X, Lv J, Ma N, Li W. Surface modification and endothelialization of biomaterials as potential scaffolds for vascular tissue engineering applications. Chem Soc Rev 2015; 44:5680-742. [DOI: 10.1039/c4cs00483c] [Citation(s) in RCA: 359] [Impact Index Per Article: 39.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights the recent developments of surface modification and endothelialization of biomaterials in vascular tissue engineering applications.
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Affiliation(s)
- Xiangkui Ren
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Yakai Feng
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Jintang Guo
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Haixia Wang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Qian Li
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jing Yang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Xuefang Hao
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Juan Lv
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Nan Ma
- Institute of Chemistry and Biochemistry
- Free University of Berlin
- D-14195 Berlin
- Germany
| | - Wenzhong Li
- Department of Cardiac Surgery
- University of Rostock
- D-18057 Rostock
- Germany
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