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Tong Q, Cai J, Wang Z, Sun Y, Liang X, Xu Q, Mahamoud OA, Qian Y, Qian Z. Recent Advances in the Modification and Improvement of Bioprosthetic Heart Valves. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309844. [PMID: 38279610 DOI: 10.1002/smll.202309844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/10/2023] [Indexed: 01/28/2024]
Abstract
Valvular heart disease (VHD) has become a burden and a growing public health problem in humans, causing significant morbidity and mortality worldwide. An increasing number of patients with severe VHD need to undergo heart valve replacement surgery, and artificial heart valves are in high demand. However, allogeneic valves from donors are lacking and cannot meet clinical practice needs. A mechanical heart valve can activate the coagulation pathway after contact with blood after implantation in the cardiovascular system, leading to thrombosis. Therefore, bioprosthetic heart valves (BHVs) are still a promising way to solve this problem. However, there are still challenges in the use of BHVs. For example, their longevity is still unsatisfactory due to the defects, such as thrombosis, structural valve degeneration, calcification, insufficient re-endothelialization, and the inflammatory response. Therefore, strategies and methods are needed to effectively improve the biocompatibility and longevity of BHVs. This review describes the recent research advances in BHVs and strategies to improve their biocompatibility and longevity.
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Affiliation(s)
- Qi Tong
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Jie Cai
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Zhengjie Wang
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Yiren Sun
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Xuyue Liang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Qiyue Xu
- School of Basic Medicine, Mudanjiang Medical University, Mudanjiang, Heilongjiang, 157011, P. R. China
| | - Oumar Abdel Mahamoud
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Yongjun Qian
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
| | - Zhiyong Qian
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, #37 Guoxue Alley, Chengdu, Sichuan, 610041, P. R. China
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Deepak T, Bharat BS, R Babu A. Evaluation of physicochemical properties of graphene oxide-decellularized pericardium biohybrid scaffold. J Biomed Mater Res B Appl Biomater 2024; 112:e35353. [PMID: 37968838 DOI: 10.1002/jbm.b.35353] [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: 05/04/2023] [Revised: 08/31/2023] [Accepted: 10/30/2023] [Indexed: 11/17/2023]
Abstract
The decellularized pericardium has been widely used in cardiac tissue engineering, whereas its clinical applications are limited due to weak mechanical performance, high collagen exposure, and being prone to microbial contamination. In this study, a biohybrid scaffold of the decellularized caprine pericardium (DCP) and graphene oxide (GO) was fabricated by an immersion coating technique. The antimicrobial activity of GO was evaluated against Escherichia coli and showed minimum inhibitory concentration at 125 μg/mL and minimum bactericidal concentration at 250 μg/mL. The presence of GO on the surface of the biohybrid GO-DCP was confirmed through SEM analysis. The existence of glycosaminoglycan, elastin, and collagen in the DCP and GO-DCP was inferred from the FTIR spectra. The biocompatibility of GO-DCP was studied by seeding valvular interstitial cells, and the results show GO coating supports cell adhesion on the serous and fibrous sides of the DCP. Further, the biomechanical response of DCP is unaltered by the presence of GO. In conclusion, GO enhances the biological performance of decellularized pericardium, which can be used in cardiac tissue engineering applications.
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Affiliation(s)
- Thirumalai Deepak
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Odisha, India
| | - Bansod Sneha Bharat
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Odisha, India
| | - Anju R Babu
- Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Odisha, India
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Zheng C, Yang L, Wang Y. Recent progress in functional modification and crosslinking of bioprosthetic heart valves. Regen Biomater 2023; 11:rbad098. [PMID: 38173770 PMCID: PMC10761211 DOI: 10.1093/rb/rbad098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/25/2023] [Accepted: 10/28/2023] [Indexed: 01/05/2024] Open
Abstract
Valvular heart disease (VHD), clinically manifested as stenosis and regurgitation of native heart valve, is one of the most prevalent cardiovascular diseases with high mortality. Heart valve replacement surgery has been recognized as golden standard for the treatment of VHD. Owing to the clinical application of transcatheter heart valve replacement technic and the excellent hemodynamic performance of bioprosthetic heart valves (BHVs), implantation of BHVs has been increasing over recent years and gradually became the preferred choice for the treatment of VHD. However, BHVs might fail within 10-15 years due to structural valvular degeneration (SVD), which was greatly associated with drawbacks of glutaraldehyde crosslinked BHVs, including cytotoxicity, calcification, component degradation, mechanical failure, thrombosis and immune response. To prolong the service life of BHVs, much effort has been devoted to overcoming the drawbacks of BHVs and reducing the risk of SVD. In this review, we summarized and analyzed the research and progress on: (i) modification strategies based on glutaraldehyde crosslinked BHVs and (ii) nonglutaraldehyde crosslinking strategies for BHVs.
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Affiliation(s)
- Cheng Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
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Hu M, Shi S, Peng X, Pu X, Yu X. A synergistic strategy of dual-crosslinking and loading intelligent nanogels for enhancing anti-coagulation, pro-endothelialization and anti-calcification properties in bioprosthetic heart valves. Acta Biomater 2023; 171:466-481. [PMID: 37793601 DOI: 10.1016/j.actbio.2023.09.045] [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: 05/04/2023] [Revised: 09/07/2023] [Accepted: 09/26/2023] [Indexed: 10/06/2023]
Abstract
Currently, glutaraldehyde (GA)-crosslinked bioprosthetic heart valves (BHVs) still do not guarantee good biocompatibility and long-term effective durability for clinical application due to their subacute thrombus, inflammation, calcification, tearing and limited durability. In this study, double-modified xanthan gum (oxidized/vinylated xanthan gum (O2CXG)) was acquired from xanthan gum for subsequent double crosslinking and modification platform construction. Sulfonic acid groups with anticoagulant properties were also introduced through the free radical polymerization of vinyl sulfonate (VS) and vinyl on O2CXG. Taking advantage of the drug-loading function of xanthan gum, the treated pericardium was further loaded with inflammation-triggered dual drug-loaded nanogel (heparin (Hep) and atorvastatin (Ator)). Mechanical properties of O2CXG-crosslinked porcine pericardium (O2CXG-PP) were significantly improved via the first network formed by Schiff base bonds and the second C-C bonds network. Due to the presence of sulfonic acid groups as well as the dual drug release from nanogels under the stimulation of H2O2, the hemocompatibility, anti-inflammatory, pro-endothelialization and anti-calcification properties of the crosslinked pericardium modified with nanogels loaded with Hep and Ator (O2CXG+VS+(Hep+Ator) nanogel-PP) was significantly better than that of GA-crosslinked PP (GA-PP). The collaborative strategy of double crosslinking and sequential release of anticoagulant/endothelium-promoting drugs triggered by inflammation could effectively meet the requirement of enhanced multiple performance and long-term durability of bioprosthetic heart valves and provide a valuable pattern for multi-functionalization of blood contacting materials. STATEMENT OF SIGNIFICANCE: Currently, glutaraldehyde-crosslinked bioprosthetic heart valves (BHVs) are subject to subacute thrombus, inflammation, calcification and tearing, which would not guarantee good biocompatibility and long-term effective durability. We developed a cooperative strategy of double crosslinking and surface modification in which double-modified xanthan gum plays a cornerstone. The mechanical properties of this BHV were significantly improved via the first network formed by Schiff base bonds and the second C-C bonds network. Inflammation-triggered combination delivery of heparin and atorvastatin has been demonstrated to enhance anticoagulation, anti-inflammatory and pro-endothelialization of BHVs by utilizing local inflammatory response. The collaborative strategy could effectively meet the requirement of enhanced multiple performance and long-term durability of BHVs and provide a valuable pattern for the multi-functionalization of blood-contacting materials.
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Affiliation(s)
- Mengyue Hu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, PR China
| | - Shubin Shi
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xu Peng
- Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, PR China
| | - Xinyun Pu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, PR China
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, PR China.
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Liang X, Yang L, Lei Y, Zhang S, Chen L, Hu C, Wang Y. Biomimetic-modified bioprosthetic heart valves with Cysteine-Alanine-Glycine peptide for anti-thrombotic, endothelialization and anti-calcification. Int J Biol Macromol 2023; 250:126244. [PMID: 37562473 DOI: 10.1016/j.ijbiomac.2023.126244] [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: 06/15/2023] [Revised: 08/01/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
In recent years, bioprosthetic heart valves (BHVs) prepared by cross-linking porcine or bovine pericardium with glutaraldehyde (Glut) have received widespread attention due to their excellent hemocompatibility and hydrodynamic properties. However, the failure of BHVs induced by thrombosis and difficulty in endothelialization still exists in clinical practice. Improving the biocompatibility and endothelialization potential of BHVs is conducive to promoting their anti-thrombosis properties and prolonging their service life. Herein, Cysteine-Alanine-Glycine (CAG) peptide was introduced into the biomimetic BHV materials modified by 2-methacryloyloxyethyl phosphorylcholine (MPC) to improve their anti-thrombosis and promoting-endothelialization performances. MPC can improve the anti-adsorption performance of BHV materials, as well as, CAG contributes to the adhesion and proliferation of endothelial cells on the surface of BHV materials. The results of experiments showed that the biomimetic modification strategy with MPC and CAG reduce the thrombosis of BHV materials and improve their endothelialization in vitro. More importantly, the calcification of BHV significantly reduced by inhibiting the expression of M1 macrophage-related factors (IL-6, iNOS) and promoting the expression of M2 macrophage-related factors (IL-10, CD206). We believe that the valve-modified strategy is expected to provide effective solutions to clinical valve problems.
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Affiliation(s)
- Xuyue Liang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China
| | - Li Yang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China
| | - Yang Lei
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China
| | - Shumang Zhang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China
| | - Liang Chen
- Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Cheng Hu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, PR China.
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Chen X, Dong N, Xu X, Zhou Y, Shi J, Qiao W, Hong H. Re-endothelialization of Decellularized Scaffolds With Endothelial Progenitor Cell Capturing Aptamer: A New Strategy for Tissue-Engineered Heart Valve. ASAIO J 2023; 69:885-893. [PMID: 37506117 DOI: 10.1097/mat.0000000000001979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023] Open
Abstract
Tissue-engineered heart valve (TEHV) is a promising alternative to current heart valve substitute. Decellularized porcine aortic heart valves (DAVs) are the most common scaffolds of TEHV. Hard to endothelialization is one of the disadvantages of DAVs. Therefore, we aimed to immobilize endothelial progenitor cell (EPC)-aptamer onto DAVs for accelerating endothelialization. In this study, three groups of scaffolds were constructed: DAVs, aptamer-immobilized DAVs (aptamer-DAVs), and glutaraldehyde crosslinked DAVs (GA-DAVs). The results of flow cytometry revealed that EPC-aptamer was specific to EPCs and was immobilized onto DAVs. Cells adhesion experiments demonstrated that EPCs adhered more tightly onto aptamer-DAVs group than other two groups of scaffolds. And cell proliferation assay indicated that EPCs seeded onto aptamer-DAVs group grew faster than DAVs group and GA-DAVs group. Moreover, dynamic capture experiment in flow conditions revealed that the number of EPCs captured by aptamer-DAVs group was more than other two groups. In conclusion, aptamer-DAVs could specifically promote adhesion and proliferation of EPCs and had ability to capture EPCs in simulated flow condition. This could promote re-endothelialization of scaffolds.
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Affiliation(s)
- Xue Chen
- From the Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zhuravleva IY, Karpova EV, Dokuchaeva AA, Titov AT, Timchenko TP, Vasilieva MB. Calcification of Various Bioprosthetic Materials in Rats: Is It Really Different? Int J Mol Sci 2023; 24:ijms24087274. [PMID: 37108443 PMCID: PMC10139218 DOI: 10.3390/ijms24087274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/05/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The causes of heart valve bioprosthetic calcification are still not clear. In this paper, we compared the calcification in the porcine aorta (Ao) and the bovine jugular vein (Ve) walls, as well as the bovine pericardium (Pe). Biomaterials were crosslinked with glutaraldehyde (GA) and diepoxide (DE), after which they were implanted subcutaneously in young rats for 10, 20, and 30 days. Collagen, elastin, and fibrillin were visualized in non-implanted samples. Atomic absorption spectroscopy, histological methods, scanning electron microscopy, and Fourier-transform infrared spectroscopy were used to study the dynamics of calcification. By the 30th day, calcium accumulated most intensively in the collagen fibers of the GA-Pe. In elastin-rich materials, calcium deposits were associated with elastin fibers and localized differences in the walls of Ao and Ve. The DE-Pe did not calcify at all for 30 days. Alkaline phosphatase does not affect calcification since it was not found in the implant tissue. Fibrillin surrounds elastin fibers in the Ao and Ve, but its involvement in calcification is questionable. In the subcutaneous space of young rats, which are used to model the implants' calcification, the content of phosphorus was five times higher than in aging animals. We hypothesize that the centers of calcium phosphate nucleation are the positively charged nitrogen of the pyridinium rings, which is the main one in fresh elastin and appears in collagen as a result of GA preservation. Nucleation can be significantly accelerated at high concentrations of phosphorus in biological fluids. The hypothesis needs further experimental confirmation.
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Affiliation(s)
- Irina Y Zhuravleva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., 630055 Novosibirsk, Russia
| | - Elena V Karpova
- N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, 9 Lavrentiev Avenue, 630090 Novosibirsk, Russia
| | - Anna A Dokuchaeva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., 630055 Novosibirsk, Russia
| | - Anatoly T Titov
- V. Sobolev Institute of Geology and Mineralogy SB RAS, 3 Academician Koptyug Avenue, 630090 Novosibirsk, Russia
| | - Tatiana P Timchenko
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., 630055 Novosibirsk, Russia
| | - Maria B Vasilieva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., 630055 Novosibirsk, Russia
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Liu Y, Chen C, Lu T, Liu S, Wu Z, Tang Z. Free-aldehyde neutralized and oligohyaluronan loaded bovine pericardium with improved anti-calcification and endothelialization for bioprosthetic heart valves. Front Bioeng Biotechnol 2023; 11:1138972. [PMID: 37077226 PMCID: PMC10106738 DOI: 10.3389/fbioe.2023.1138972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
The number of patients with valvular heart disease is increasing yearly, and valve replacement is the most effective treatment, during which bioprosthetic heart valves (BHVs) are the most widely used. Commercial BHVs are mainly prepared with glutaraldehyde (Glut) cross-linked bovine pericardial or porcine aortic valves, but the residual free aldehyde groups in these tissues can cause calcification and cytotoxicity. Moreover, insufficient glycosaminoglycans (GAGs) in tissues can further reduce biocompatibility and durability. However, the anti-calcification performance and biocompatibility might be improved by blocking the free aldehyde groups and increasing the GAGs content in Glut-crosslinked tissues. In our study, adipic dihydrazide (ADH) was used to neutralize the residual free aldehyde groups in tissues and provide sites to blind with oligohyaluronan (OHA) to increase the content of GAGs in tissues. The modified bovine pericardium was evaluated for its content of residual aldehyde groups, the amount of OHA loaded, physical/chemical characteristics, biomechanical properties, biocompatibility, and in vivo anticalcification assay and endothelialization effects in juvenile Sprague-Dawley rats. The results showed that ADH could completely neutralize the free aldehyde groups in the Glut-crosslinked bovine pericardium, the amount of OHA loaded increased and the cytotoxicity was reduced. Moreover, the in vivo results also showed that the level of calcification and inflammatory response in the modified pericardial tissue was significantly reduced in a rat subcutaneous implantation model, and the results from the rat abdominal aorta vascular patch repair model further demonstrated the improved capability of the modified pericardial tissues for endothelialization. Furthermore, more α-SMA+ smooth muscle cells and fewer CD68+ macrophages infiltrated in the neointima of the modified pericardial patch. In summary, blocking free-aldehydes and loading OHA improved the anti-calcification, anti-inflammation and endothelialization properties of Glut-crosslinked BHVs and in particularly, this modified strategy may be a promising candidate for the next-generation of BHVs.
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Affiliation(s)
- Yuhong Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Chunyang Chen
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Ting Lu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Sixi Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Zhongshi Wu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
- *Correspondence: Zhongshi Wu, ; Zhenjie Tang,
| | - Zhenjie Tang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
- *Correspondence: Zhongshi Wu, ; Zhenjie Tang,
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Chen X, Yu T, Kong Q, Xu H, Zhao Z, Li G, Fan H, Wang Y. A chlorogenic acid functional strategy of anti-inflammation, anti-coagulation and promoted endothelial proliferation for bioprosthetic artificial heart valves. J Mater Chem B 2023; 11:2663-2673. [PMID: 36883900 DOI: 10.1039/d2tb02407a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Heart valve replacement has become an optimal choice for the treatment of severe heart valve disease. At present, most commercial bioprosthetic heart valves (BHVs) are made from porcine pericardium or bovine pericardium treated with glutaraldehyde. Nevertheless, due to the toxicity of residual aldehyde groups left after glutaraldehyde cross-linking, these commercial BHVs exhibit poor biocompatibility, calcification, risk of coagulation and endothelialization difficulty, which greatly affects the durability of the BHVs and shortens their service life. In this work, based on a chlorogenic acid functional anti-inflammation, anti-coagulation and endothelialization strategy and dual-functional non-glutaraldehyde cross-linking reagent OX-CO, a kind of functional BHV material OX-CA-PP has been developed from OX-CO cross-linked porcine pericardium (OX-CO-PP) followed by the convenient modification of chlorogenic acid through a reactive oxygen species (ROS) sensitive borate ester bond. The functionalization of chlorogenic acid can reduce the risk of valve leaf thrombosis and promote endothelial cell proliferation, which is beneficial to the formation of a long-term interface with good blood compatibility. Meanwhile, such a ROS responsive behavior can trigger intelligent release of chlorogenic acid on-demand to achieve the inhibition of acute inflammation at the early stage of implantation. The in vivo and in vitro experimental results show that the functional BHV material OX-CA-PP exhibits superior anti-inflammation, improved anti-coagulation, minimal calcification and promoted proliferation of endothelial cells, showing that this non-glutaraldehyde functional strategy has great potential for the application of BHVs and providing a promising reference for other implanted biomaterials.
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Affiliation(s)
- Xiaotong Chen
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Tao Yu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Qunshou Kong
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Hong Xu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Zhiyu Zhao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Gaocan Li
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Haojun Fan
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
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10
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Zheng X, He X, Cheng Y, Li Z, Dan N, Dan W. In Situ Cross-Linked Collagen-Based Biological Patch Integrating Anti-Infection and Anti-Calcification Properties. Biomacromolecules 2023; 24:426-438. [PMID: 36574619 DOI: 10.1021/acs.biomac.2c01239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Acellular dermal matrix (ADM) can be used as collagen-based biological patches for regeneration and repair of soft tissues in vivo. However, the problems of calcification and infection during treatment with patches can lead to premature patch failure and even to a severely increased risk of recurrence. In this study, first, porcine ADM (pADM) grafted with vinyl underwent an in situ cross-linking reaction in the presence of an initiator, while quaternary ammonium groups were introduced into the pADM during the cross-linking process to obtain MA-DMC-pADM, which is a biological patch with anti-infection and anti-calcification properties. The results of physicochemical property tests of the material showed that the pADM after cross-linking had better physical and mechanical properties. Importantly, antibacterial and anti-calcification experiments showed that MA-DMC-pADM had a good antibacterial and anti-calcification effect. Therefore, the MA-DMC-pADM biological patch facilitates their longer-lasting effectiveness, allowing pADM to be used in a wider range of applications.
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Affiliation(s)
- Xin Zheng
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.,The Research Center of Biomedicine Engineering of Sichuan University, Chengdu 610065, China
| | - Xiaotang He
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.,The Research Center of Biomedicine Engineering of Sichuan University, Chengdu 610065, China
| | - Yining Cheng
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.,The Research Center of Biomedicine Engineering of Sichuan University, Chengdu 610065, China
| | - Zhengjun Li
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
| | - Nianhua Dan
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.,The Research Center of Biomedicine Engineering of Sichuan University, Chengdu 610065, China
| | - Weihua Dan
- Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.,National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China.,The Research Center of Biomedicine Engineering of Sichuan University, Chengdu 610065, China
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11
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Liang X, Lei Y, Ding K, Huang X, Zheng C, Wang Y. Poly(2-methoxyethyl acrylate) coated bioprosthetic heart valves by copolymerization with enhanced anticoagulant, anti-inflammatory, and anti-calcification properties. J Mater Chem B 2022; 10:10054-10064. [PMID: 36448545 DOI: 10.1039/d2tb01826h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Commercial glutaraldehyde (Glut) cross-linked bioprosthetic heart valves (BHVs) fabricated from the pericardium have become the most popular choice for treating heart valve diseases. Nevertheless, thrombosis, inflammation and calcification might lead to structural valve degeneration (SVD), which limited the durability of BHVs. Herein, to improve the biocompatibility of BHVs, we fabricated a poly-(2-methoxyethyl acrylate) (PMEA) coated porcine pericardium (PMEA-PP) through grafting PMEA to the porcine pericardium (PP) that was pre-treated with Glut and methacrylated polylysine. PMEA coating mitigated the side effects caused by aldehyde residues. It was shown that the PMEA coating reduced cytotoxicity and inflammation reactions and improved endothelialization potential, and its hydrophilic surface improved the anti-thrombotic properties of PPs. And the PMEA coating significantly reduced the calcification of PPs. This strategy promoted the endothelialization potential and improve the anti-thrombosis and anti-calcification properties of BHVs, and is expected to overcome the defects of commercial BHVs.
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Affiliation(s)
- Xuyue Liang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Yang Lei
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Kailei Ding
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Xueyu Huang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Cheng Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, P. R. China.
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12
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Zheng C, Kuang D, Ding K, Huang X, Fan H, Yang L, Wang Y, Zhang X. A functionalized biological heart valve by double bond crosslinking with enhanced biocompatibility and antithrombogenicity. J Mater Chem B 2022; 10:10001-10017. [PMID: 36472327 DOI: 10.1039/d2tb02218d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
With the advancement of minimally invasive interventional therapy, biological heart valves (BHVs) have been extensively used in clinics. However, BHVs are generally prone to degeneration within 10-15 years after implantation due to defects including cytotoxicity, immune response, calcification and thrombosis, which are closely related to glutaraldehyde-crosslinking. In this work, we prepared a functionalized BHV through the in situ polymerization of methacrylated porcine pericardium and 2-hydroxyethyl methacrylate to avoid and overcome the defects of glutaraldehyde-crosslinked BHVs. The functionalized BHV was proven to be stable against enzymatic degradation and compatible towards HUVECs. After implantation in rats subcutaneously, a significantly mitigated immune response and reduced calcification were observed in the functionalized BHV. With the grafting of hydrophilic 2-hydroxyethyl methacrylate polymers, the antithrombogenicity of BHV was markedly enhanced by resisting the unfavorable adhesion of blood components. Moreover, the hydrodynamics of the functionalized BHV totally conformed to ISO 5840-3 under a wide range of simulated physiological conditions. These results indicate that the functionalized BHV with enhanced biocompatibility, anticalcification property and antithrombogenicity exhibited a low risk of degeneration and should be explored for further application.
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Affiliation(s)
- Cheng Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Dajun Kuang
- Venus Medtech (Hangzhou) Inc., Hangzhou, China
| | - Kailei Ding
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Xueyu Huang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Hongsong Fan
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 29, Wangjiang Road, Chengdu 610064, China.
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13
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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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14
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Tong Q, Sun A, Wang Z, Li T, He X, Qian Y, Qian Z. Hybrid heart valves with VEGF-loaded zwitterionic hydrogel coating for improved anti-calcification and re-endothelialization. Mater Today Bio 2022; 17:100459. [PMID: 36278142 PMCID: PMC9583583 DOI: 10.1016/j.mtbio.2022.100459] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/20/2022] [Accepted: 10/08/2022] [Indexed: 11/05/2022]
Abstract
With the aging of the population in worldwide, valvular heart disease has become one of the most prominent life-threatening diseases in human health, and heart valve replacement surgery is one of the therapeutic methods for valvular heart disease. Currently, commercial bioprosthetic heart valves (BHVs) for clinical application are prepared with xenograft heart valves or pericardium crosslinked by glutaraldehyde. Due to the residual cell toxicity from glutaraldehyde, heterologous antigens, and immune response, there are still some drawbacks related to the limited lifespan of bioprosthetic heart valves, such as thrombosis, calcification, degeneration, and defectiveness of re-endothelialization. Therefore, the problems of calcification, defectiveness of re-endothelialization, and poor biocompatibility from the use of bioprosthetic heart valve need to be solved. In this study, hydrogel hybrid heart valves with improved anti-calcification and re-endothelialization were prepared by taking decellularized porcine heart valves as scaffolds following grafting with double bonds. Then, the anti-biofouling zwitterionic monomers 2-methacryloyloxyethyl phosphorylcholine (MPC) and vascular endothelial growth factor (VEGF) were utilized to obtain a hydrogel-coated hybrid heart valve (PEGDA-MPC-DHVs@VEGF). The results showed that fewer platelets and thrombi were observed on the surface of the PEGDA-MPC-DHVs@VEGF. Additionally, the PEGDA-MPC-DHVs@VEGF exhibited excellent collagen stability, biocompatibility and re-endothelialization potential. Moreover, less calcification deposition and a lower immune response were observed in the PEGDA-MPC-DHVs@VEGF compared to the glutaraldehyde-crosslinked DHVs (Glu-DHVs) after subcutaneous implantation in rats for 30 days. These studies demonstrated that the strategy of zwitterionic hydrogels loaded with VEGF may be an effective approach to improving the biocompatibility, anti-calcification and re-endothelialization of bioprosthetic heart valves. A new and promising strategy of overcoming defects of bioprosthetic heart valves. The zwitterionic hydrogel with VEGF is utilized to improve anti-calcification and re-endothelialization properties of heart valves. The hybrid heart valves with a VEGF-loaded zwitterionic hydrogel coating exhibits excellent biocompatibility.
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Affiliation(s)
- Qi Tong
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
| | - Ao Sun
- State Key Laboratory of Biotherapy, State Key Laboratory and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
| | - Zhengjie Wang
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
| | - Tao Li
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
| | - Xinye He
- State Key Laboratory of Biotherapy, State Key Laboratory and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
| | - Yongjun Qian
- Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China,Corresponding author. Department of Cardiovascular Surgery, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China.
| | - Zhiyong Qian
- State Key Laboratory of Biotherapy, State Key Laboratory and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China,Corresponding author. State Key Laboratory of Biotherapy, State Key Laboratory and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, PR China
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15
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Nicholls DL, Rostami S, Karoubi G, Haykal S. Perfusion decellularization for vascularized composite allotransplantation. SAGE Open Med 2022; 10:20503121221123893. [PMID: 36120388 PMCID: PMC9478687 DOI: 10.1177/20503121221123893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 08/12/2022] [Indexed: 11/01/2022] Open
Abstract
Vascularized composite allotransplantation is becoming the emerging standard for reconstructive surgery treatment for patients with limb trauma and facial injuries involving soft tissue loss. Due to the complex immunogenicity of composite grafts, patients who undergo vascularized composite allotransplantation are reliant on lifelong immunosuppressive therapy. Decellularization of donor grafts to create an extracellular matrix bio-scaffold provides an immunomodulatory graft that preserves the structural and bioactive function of the extracellular matrix. Retention of extracellular matrix proteins, growth factors, and signaling cascades allow for cell adhesion, migration, proliferation, and tissue regeneration. Perfusion decellularization of detergents through the graft vasculature allows for increased regent access to all tissue layers, and removal of cellular debris through the venous system. Grafts can subsequently be repopulated with appropriate cells through the vasculature to facilitate tissue regeneration. The present work reviews methods of decellularization, process parameters, evaluation of adequate cellular and nuclear removal, successful applications of perfusion decellularization for use in vascularized composite allotransplantation, and current limitations.
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Affiliation(s)
| | - Sara Rostami
- Latner Thoracic Surgery Laboratories, Toronto General Hospital Research Institute, Toronto General Hospital, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Golnaz Karoubi
- Latner Thoracic Surgery Laboratories, Toronto General Hospital Research Institute, Toronto General Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.,Departments of Mechanical and Industrial Engineering and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Siba Haykal
- Latner Thoracic Surgery Laboratories, Toronto General Hospital Research Institute, Toronto General Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.,Division of Plastic & Reconstructive Surgery, Department of Surgery, University of Toronto, Toronto, ON, Canada
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16
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Liu Y, Wu Z, Chen C, Lu T, Song M, Qi X, Jiang Z, Liu S, Tang Z. The hybrid crosslinking method improved the stability and anti-calcification properties of the bioprosthetic heart valves. Front Bioeng Biotechnol 2022; 10:1008664. [PMID: 36159659 PMCID: PMC9500414 DOI: 10.3389/fbioe.2022.1008664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/22/2022] [Indexed: 12/02/2022] Open
Abstract
The bioprosthetic heart valves (BHVs) are the best option for the treatment of valvular heart disease. Glutaraldehyde (Glut) is commonly used as the golden standard reagent for the crosslinking of BHVs. However, the obvious defects of Glut, including residual aldehyde toxicity, degradation and calcification, increase the probability of valve failure in vivo and motivated the exploration of alternatives. Thus, the aim of this study is to develop a non-glutaraldehyde hybrid cross-linking method composed of Neomycin Trisulfate, Polyethylene glycol diglycidyl ether and Tannic acid as a substitute for Glut, which was proven to reduce calcification, degradation, inflammation of the biomaterial. Evaluations of the crosslinked bovine pericardial included histological and ultrastructural characterization, biomechanical performance, biocompatibility and structural stability test, and in vivo anti-inflammation and anti-calcification assay by subcutaneous implantation in juvenile Sprague Dawley rats. The results revealed that the hybrid crosslinked bovine pericardial were superior to Glut crosslinked biomaterial in terms of better hydrophilicity, thermodynamics stability, hemocompatibility and cytocompatibility, higher Young’s Modulus, better stability and resistance to enzymatic hydrolysis, and lower inflammation, degradation and calcification levels in subcutaneous implants. Considering all above performances, it indicates that the hybrid cross-linking method is appropriate to replace Glut as the method for BHV preparation, and particularly this hybrid crosslinked biomaterials may be a promising candidate for next-generation BHVs.
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Affiliation(s)
- Yuhong Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Zhongshi Wu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Chunyang Chen
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ting Lu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Mingzhe Song
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xiaoke Qi
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Zhenlin Jiang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Sixi Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
| | - Zhenjie Tang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Engineering Laboratory of Human Province for Cardiovascular Biomaterials, Changsha, Hunan, China
- *Correspondence: Zhenjie Tang,
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17
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Qi X, Jiang Z, Song M, Tang Z, Xie X, Liu Y, Wu Q, Wu Z. A Novel Crosslinking Method for Improving the Anti-Calcification Ability and Extracellular Matrix Stability in Transcatheter Heart Valves. Front Bioeng Biotechnol 2022; 10:909771. [PMID: 35903798 PMCID: PMC9315440 DOI: 10.3389/fbioe.2022.909771] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/08/2022] [Indexed: 12/12/2022] Open
Abstract
More than 200,000 patients with aortic diseases worldwide undergo surgical valve replacement each year, and transcatheter heart valves (THV) have been more widely used than ever before. However, THV made by the glutaraldehyde (Glut) crosslinking method has the disadvantage of being prone to calcification, which significantly reduces the durability of biomaterials. In this study, we applied a novel crosslinking method using ribose in THV for the first time, which can decrease calcification and increase the stability of the extracellular matrix (ECM). We incubated the bovine pericardium (BP) in ribose solution at 37°C by shaking for 12 days and confirmed that the structure of the BP was more compact than that of the Glut group. Moreover, the ribose method remarkably enhanced the biomechanical properties and provided reliable resistance to enzymatic degradation and satisfactory cellular compatibility in THV. When the BP was implanted subcutaneously in vivo, we demonstrated that ECM components were preserved more completely, especially in elastin, and the immune-inflammatory response was more moderate than that in the Glut treatment group. Finally, the ribose-cross-linked materials showed better anti-calcification potential and improved durability of THV than Glut-cross-linked materials.
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18
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Li Q, Gao Y, Zhang J, Tang Y, Yangyong S, Wu L, Wu H, Shen M, Liu X, Han L, Xu Z. Crosslinking and functionalization of acellular patches via the self-assembly of copper@tea polyphenol nanoparticles. Regen Biomater 2022; 9:rbac030. [PMID: 35665201 PMCID: PMC9157057 DOI: 10.1093/rb/rbac030] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/01/2022] [Accepted: 04/17/2022] [Indexed: 11/13/2022] Open
Abstract
Decellularization is a promising technique to produce natural scaffolds for tissue engineering applications. However, non-crosslinked natural scaffolds disfavor application in cardiovascular surgery due to poor biomechanics and rapid degradation. Herein, we proposed a green strategy to crosslink and functionalize acellular scaffolds via the self-assembly of copper@tea polyphenol nanoparticles (Cu@TP NPs), and the resultant nanocomposite acellular scaffolds were named as Cu@TP-dBPs. The crosslinking degree, biomechanics, denaturation temperature and resistance to enzymatic degradation of Cu@TP-dBPs were comparable to those of glutaraldehyde crosslinked decellularized bovine pericardias (Glut-dBPs). Furthermore, Cu@TP-dBPs were biocompatible and had abilities to inhibit bacterial growth and promote the formation of capillary-like networks. Subcutaneous implantation models demonstrated that Cu@TP-dBPs were free of calcification and allowed for host cell infiltration at Day 21. Cardiac patch graft models confirmed that Cu@TP-dBP patches showed improved ingrowth of functional blood vessels and remodeling of extracellular matrix at Day 60. These results suggested that Cu@TP-dBPs not only had comparable biomechanics and biostability to Glut-dBPs, but also had several advantages over Glut-dBPs in terms of anticalcification, remodeling and integration capabilities. Particularly, they were functional patches possessing antibacterial and proangiogenic activities. These material properties and biological functions made Cu@TP-dBPs a promising functional acellular patch for cardiovascular applications.
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Affiliation(s)
- Qin Li
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
| | - Yuan Gao
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
| | - Jiajun Zhang
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
| | - Yangfeng Tang
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
| | - Shun Yangyong
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
| | - Lujia Wu
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
| | - Hao Wu
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
| | - Meifang Shen
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
| | - Xiaohong Liu
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
| | - Lin Han
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
| | - Zhiyun Xu
- Department of Cardiovascular Lab, Institute of Cardiothoracic Surgery, Changhai Hospital, Shanghai, China
- Institute of Cardiovascular Surgery, Changhai Hospital, Shanghai, China
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19
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Cheng S, Liu X, Qian Y, Maitusong M, Yu K, Cao N, Fang J, Liu F, Chen J, Xu D, Zhu G, Ren T, Wang J. Double-Network Hydrogel Armored Decellularized Porcine Pericardium as Durable Bioprosthetic Heart Valves. Adv Healthc Mater 2022; 11:e2102059. [PMID: 34969157 DOI: 10.1002/adhm.202102059] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/02/2021] [Indexed: 12/20/2022]
Abstract
Heart valves have extraordinary fatigue resistance which beat ≈3 billion times in a lifetime. Bioprosthetic heart valves (BHVs) made from fixed heteroplasm that are incrementally used in heart valve replacement fail to sustain the expected durability due to thrombosis, poor endothelialization, inflammation, calcification, and especially mechanical damage induced biocompatibility change. No effective strategy has been reported to conserve the biological properties of BHV after long-term fatigue test. Here, a double-network tough hydrogel is introduced, which interpenetrate and anchor into the matrix of decellularized porcine pericardium (dCell-PP) to form robust and stable conformal coatings and reduce immunogenicity. The ionic crosslinked hyaluronic acid (HA) network mimics the glycocalyx on endothelium which improves antithrombosis and accelerates endothelialization; the chemical crosslinked hydrophilic polyacrylamide (PAAm) network further enhances antifouling properties and strengthens the shielding hydrogels and their interaction with dCell-PP. In vitro and rabbit ex vivo shunt assay demonstrate great hemocompatibility of polyacrylamide/HA hydrogel hybrid PP (P/H-PP). Cell experiments and rat subcutaneous implantation confirm satisfactory endothelialization, biocompatibility, and anticalcification properties. For hydrodynamic experiment, P/H-PP gains full mark at different flow conditions and sustains excellent biomechanical and biological properties after 200 000 000 cycles. P/H double-network hydrogel armoring dCell-PP is a promising progress to extend BHV durability for clinical implantation therapy.
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Affiliation(s)
- Si Cheng
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Xianbao Liu
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Yi Qian
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Miribani Maitusong
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Kaixiang Yu
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Naifang Cao
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Juan Fang
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Feng Liu
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Jinyong Chen
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Dilin Xu
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Gangjie Zhu
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Tanchen Ren
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
| | - Jian'an Wang
- Department of Cardiology of The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310009 P. R. China
- Cardiovascular Key Laboratory of Zhejiang Province Hangzhou 310009 P. R. China
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20
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Liang X, Zheng C, Ding K, Huang X, Zhang S, Lei Y, Yu K, Wang Y. Arginine-grafted porcine pericardium by copolymerization to improve cytocompatibility, hemocompatibility and anti-calcification properties of bioprosthetic heart valve materials. J Mater Chem B 2022; 10:5571-5581. [DOI: 10.1039/d2tb00798c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioprosthetic heart valves (BHVs) have been used widely due to the development of transcatheter heart valve replacement technology. However, glutaraldehyde crosslinked pericardium (GA), which is widely used as a leaflet...
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21
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Li M, Zheng C, Zhang S, Wu B, Ding K, Huang X, Lei Y, Wang Y. A hydrophobic antifouling surface coating on bioprosthetic heart valves for enhanced antithrombogenicity. J Biomed Mater Res B Appl Biomater 2021; 110:1082-1092. [PMID: 34856067 DOI: 10.1002/jbm.b.34982] [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: 05/24/2021] [Revised: 08/12/2021] [Accepted: 08/22/2021] [Indexed: 11/06/2022]
Abstract
Thrombosis is an important factor that causes the failure of artificial biological valves in addition to calcification and immune rejection. A hydrophobic antifouling surface can improve blood compatibility by reducing the absorption of protein. In this study, porcine pericardium was cross-linked with glycidyl methacrylate, and carbon-carbon double bonds were introduced. Then, fluoride monomer was added so that the pericardial surface would become hydrophobic and antifouling. Fluoride modification changed the hydrophilicity of the pericardium surface, and the surface water contact angle increased from 84° to 143°. Compared with unmodified pericardium, the adsorption of bovine serum albumin and fibrinogen decreased by 93.1% and 85%, respectively, and the anti-thrombogenicity was greatly enhanced.
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Affiliation(s)
- Meiling Li
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Cheng Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Shumang Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Binggang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Kailei Ding
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Xueyu Huang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Yang Lei
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
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22
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Hu M, Peng X, Zhao Y, Yu X, Cheng C, Yu X. Dialdehyde pectin-crosslinked and hirudin-loaded decellularized porcine pericardium with improved matrix stability, enhanced anti-calcification and anticoagulant for bioprosthetic heart valves. Biomater Sci 2021; 9:7617-7635. [PMID: 34671797 DOI: 10.1039/d1bm01297e] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To conveniently and effectively cure heart valve diseases or defects, combined with transcatheter valve technology, bioprosthetic heart valves (BHVs) originated from the decellularized porcine pericardium (D-PP) have been broadly used in clinics. Unfortunately, most clinically available BHVs crosslinked with glutaraldehyde (GA) were challenged in their long-term tolerance, degenerative structural changes, and even failure, owing to the synergistic impact of multitudinous elements (cytotoxicity, calcification, immune responses, etc.). In this work, dialdehyde pectin (AP) was prepared by oxidizing the o-dihydroxy of pectin with sodium periodate. Hereafter, the AP-fixed PP model was obtained by crosslinking D-PP with AP with high aldehyde content (6.85 mmol g-1), for acquiring excellent mechanical properties and outstanding biocompatibility. To further improve the hemocompatibility of the AP-fixed PP, a natural and specific inhibitor of thrombin (hirudin) was introduced to achieve surface modification of the AP-fixed PP. The feasibility of crosslinking and functionalizing AP-fixed PP, which was a potential leaflet material of BHVs, was exhaustively and systematically evaluated. In vitro studies found that hirudin-loaded and AP-fixed PP (AP + Hirudin-PP) had synchronously achieved effective fixation of collagen, highly effective anticoagulation, and good HUVECs-cytocompatibility. In vivo results revealed that the AP + Hirudin-PP specimens recruited the minimum immune cells in the implantation experiment, and also presented an excellent anti-calcification effect. Overall, AP + Hirudin-PP was endowed with competitive collagen stability (compared with GA-fixed PP), excellent hemocompatibility, good HUVECs-cytocompatibility, low immunogenicity and outstanding anti-calcification, suggesting that AP + Hirudin-PP might be a promising alternative to GA-fixed PP and exhibited a bright prospect in the clinical applications of BHVs.
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Affiliation(s)
- Mengyue Hu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
| | - Xu Peng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China. .,Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Yang Zhao
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
| | - Xiaoshuang Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
| | - Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
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23
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Bondarenko NA, Surovtseva MA, Lykov AP, Kim II, Zhuravleva IY, Poveschenko OV. Cytotoxicity of Xenogeneic Pericardium Preserved by Epoxy Cross-Linking Agents. Sovrem Tekhnologii Med 2021; 13:27-33. [PMID: 34603761 PMCID: PMC8482832 DOI: 10.17691/stm2021.13.4.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Indexed: 11/14/2022] Open
Abstract
The aim of the study was to assess the cytotoxic effect of xenopericardial biomaterial treated with di- and pentaepoxides on the cell cultures in vitro. Materials and Methods Samples of bovine and porcine pericardium were used in the work. Three different modes were employed for preservation: 1) 0.625% solution of glutaraldehyde (GA) and a two-fold change on days 2 and 7; 2) 5% solution of ethylene glycol diglycidyl ether (EGDE) changed on day 2; 3) 5% EGDE solution for 10 days, then 2% pentaepoxide solution also for 10 days. The cytotoxicity of the biomaterial was assessed by the extraction method. To determine the cytotoxicity of the biomaterial, EA.hy926 cells, multipotent mesenchymal stem cells (MMSCs), and fibroblasts were used. Cell viability was determined by the MTT test. The level of apoptosis and necrosis in the cell cultures was assessed by staining with acridine orange and ethidium bromide after cultivation with xenopericardial extracts employing different modes of preservation. Results Extracts of bovine and porcine pericardium preserved with GA have been found to have the greatest toxic effect on the cell cultures showing 20-33% reduction of cell viability. Extracts from bovine and porcine pericardium preserved with di- and pentaepoxy compounds do not have a toxic effect on endothelial cells, MMSCs, and fibroblasts since cell viability reduction is by no more than 15%. The lowest level of apoptosis and necrosis is observed in the cell cultures under the influence of extracts from the pericardium, preserved with diepoxide and pentaepoxide compounds. Conclusion According to the MTT test for cytotoxicity and determination of the level of apoptosis and necrosis in cell cultures, bovine and porcine pericardia treated with di- and pentaepoxides have been established to have no cytotoxic effect on the culture of endothelial EA.hy926 cells, MMSCs, fibroblasts in vitro, whereas GA, in comparison with di- and pentaepoxides, has a toxic impact on the cells.
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Affiliation(s)
- N A Bondarenko
- Researcher, Cell Technology Laboratory; Research Institute of Clinical and Experimental Lymphology - Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 2 Timakova St., Novosibirsk, 630117, Russia; Senior Researcher, Cell Technology Laboratory, Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - M A Surovtseva
- Senior Researcher, Cell Technology Laboratory; Research Institute of Clinical and Experimental Lymphology - Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 2 Timakova St., Novosibirsk, 630117, Russia; Senior Researcher, Cell Technology Laboratory, Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - A P Lykov
- Leading Researcher, Cell Technology Laboratory; Research Institute of Clinical and Experimental Lymphology - Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 2 Timakova St., Novosibirsk, 630117, Russia; Senior Researcher, Cell Technology Laboratory, Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - I I Kim
- Researcher, Cell Technology Laboratory; Research Institute of Clinical and Experimental Lymphology - Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 2 Timakova St., Novosibirsk, 630117, Russia; Senior Researcher, Cell Technology Laboratory, Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - I Yu Zhuravleva
- Professor, Director of the Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - O V Poveschenko
- Head of the Cell Technology Laboratory; Research Institute of Clinical and Experimental Lymphology - Branch of the Federal Research Center Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 2 Timakova St., Novosibirsk, 630117, Russia; Head of the Cell Technology Laboratory, Institute of Experimental Biology and Medicine; Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
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24
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Ground M, Waqanivavalagi S, Walker R, Milsom P, Cornish J. Models of immunogenicity in preclinical assessment of tissue engineered heart valves. Acta Biomater 2021; 133:102-113. [PMID: 34082103 DOI: 10.1016/j.actbio.2021.05.049] [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: 02/28/2021] [Revised: 05/21/2021] [Accepted: 05/25/2021] [Indexed: 12/20/2022]
Abstract
Tissue engineered heart valves may one day offer an exciting alternative to traditional valve prostheses. Methods of construction vary, from decellularised animal tissue to synthetic hydrogels, but the goal is the same: the creation of a 'living valve' populated with autologous cells that may persist indefinitely upon implantation. Previous failed attempts in humans have highlighted the difficulty in predicting how a novel heart valve will perform in vivo. A significant hurdle in bringing these prostheses to market is understanding the immune reaction in the short and long term. With respect to innate immunity, the chronic remodelling of a tissue engineered implant by macrophages remains poorly understood. Also unclear are the mechanisms behind unknown antigens and their effect on the adaptive immune system. No silver bullet exists, rather researchers must draw upon a number of in vitro and in vivo models to fully elucidate the effect a host will exert on the graft. This review details the methods by which the immunogenicity of tissue engineered heart valves may be investigated and reveals areas that would benefit from more research. STATEMENT OF SIGNIFICANCE: Both academic and private institutions around the world are committed to the creation of a valve prosthesis that will perform safely upon implantation. To date, however, no truly non-immunogenic valves have emerged. This review highlights the importance of preclinical immunogenicity assessment, and summarizes the available techniques used in vitro and in vivo to elucidate the immune response. To the authors knowledge, this is the first review that details the immune testing regimen specific to a TEHV candidate.
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25
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Luo Y, Huang S, Ma L. Zwitterionic hydrogel-coated heart valves with improved endothelialization and anti-calcification properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112329. [PMID: 34474880 DOI: 10.1016/j.msec.2021.112329] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 07/04/2021] [Accepted: 07/18/2021] [Indexed: 12/01/2022]
Abstract
Valve replacement surgery is the golden standard for end-stage valvular disease due to the lack of self-repair ability. Currently, bioprosthetic heart valves (BHVs) crosslinked by glutaraldehyde (GA) have been the most popular choice in clinic, especially after the emerge of transcatheter aortic valve replacement (TAVR). Nevertheless, the lifespan of BHVs is limited due to severe calcification and deterioration. In this study, to improve the anti-calcification property of BHVs, decellularized heart valves were modified by methacrylic anhydride to introduce double bonds (MADHVs), and a hybrid hydrogel made of sulfobetaine methacrylate (SBMA) and methacrylated hyaluronic acid (MAHA) was then coated onto the surface of MADHVs. Followed by grafting of Arg-Glu-Asp-Val (REDV), an endothelial cell-affinity peptide, the BHVs with improved affinity to endothelial cell (SMHVs-REDV) was obtained. SMHVs-REDV exhibited excellent collagen stability, reliable mechanical property and superior hemocompatibility. Moreover, enhanced biocompatibility and endothelialization potential compared with GA-crosslinked BHVs were achieved. After subcutaneous implantation for 30 days, SMHVs-REDV showed significantly reduced immune response and calcification compared with GA-crosslinked BHVs. Overall, simultaneous endothelialization and anti-calcification can be realized by this strategy, which was supposed to be benefit for improving the main drawbacks for available commercial BHVs products.
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Affiliation(s)
- Yu Luo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Shenyu Huang
- Department of Ophthalmology, the Second Affiliated Hospital of Zhejiang University, College of Medicine, Hangzhou, Zhejiang, China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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26
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Yu T, Yang W, Zhuang W, Tian Y, Kong Q, Chen X, Li G, Wang Y. A bioprosthetic heart valve cross-linked by a non-glutaraldehyde reagent with improved biocompatibility, endothelialization, anti-coagulation and anti-calcification properties. J Mater Chem B 2021; 9:4031-4038. [PMID: 33908590 DOI: 10.1039/d1tb00409c] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Valvular heart disease is an important disease that endangers human health and heart valve replacement has become one of the main treatments for patients with severe valvular heart disease. However, the traditional surgical valve replacement (SVR) suffers several drawbacks such as high risk, great trauma and long recovery time, and more than 30% of patients are intolerant to SVR, especially elderly patients. In recent years, with the development of minimally invasive technology, transcatheter heart valve replacement (THVR) as a method of implantation without thoracotomy has become an optimal treatment for severe valvular heart disease due to its advantages of minimal trauma, low risk and fast recovery. Meanwhile, the usage of bioprosthetic heart valves (BHVs) has been enlarged greatly with the rapid development of THVR and the aging population. Most BHVs in clinics are crosslinked by glutaraldehyde (Glut), which shows great mechanical properties and chemical stability. However, some problems such as poor biocompatibility, calcification, coagulation and endothelialization difficulty also need to be solved urgently for Glut-treated BHVs. In this work, a non-Glut treated BHV from 7a-ethyltetrahydro-oxazolo[3,4-c]oxazole (OX-Et) crosslinked porcine pericardium (PP) has been developed. Compared with glutaraldehyde-crosslinked porcine pericardium (Glut-PP), good physical and chemical properties similar to Glut-PP are shown for OX-Et treated porcine pericardium (OX-Et-PP). It is noteworthy that better biocompatibility, endothelialization performance, and anti-coagulant effect as well as the improved anti-calcification property can also be observed for OX-Et-PP in the in vitro and in vivo study, potentially making OX-Et-PP a good candidate in the application of BHVs.
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Affiliation(s)
- Tao Yu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Wenxuan Yang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Weihua Zhuang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Yuan Tian
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Qunshou Kong
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Xiaotong Chen
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Gaocan Li
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
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27
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Bui HT, Khair N, Yeats B, Gooden S, James SP, Dasi LP. Transcatheter Heart Valves: A Biomaterials Perspective. Adv Healthc Mater 2021; 10:e2100115. [PMID: 34038627 DOI: 10.1002/adhm.202100115] [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: 01/18/2021] [Revised: 04/23/2021] [Indexed: 11/11/2022]
Abstract
Heart valve disease is prevalent throughout the world, and the number of heart valve replacements is expected to increase rapidly in the coming years. Transcatheter heart valve replacement (THVR) provides a safe and minimally invasive means for heart valve replacement in high-risk patients. The latest clinical data demonstrates that THVR is a practical solution for low-risk patients. Despite these promising results, there is no long-term (>20 years) durability data on transcatheter heart valves (THVs), raising concerns about material degeneration and long-term performance. This review presents a detailed account of the materials development for THVRs. It provides a brief overview of THVR, the native valve properties, the criteria for an ideal THV, and how these devices are tested. A comprehensive review of materials and their applications in THVR, including how these materials are fabricated, prepared, and assembled into THVs is presented, followed by a discussion of current and future THVR biomaterial trends. The field of THVR is proliferating, and this review serves as a guide for understanding the development of THVs from a materials science and engineering perspective.
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Affiliation(s)
- Hieu T. Bui
- Department of Biomedical Engineering Georgia Institute of Technology 387 Technology Cir NW Atlanta GA 30313 USA
| | - Nipa Khair
- School of Advanced Materials Discovery Colorado State University 700 Meridian Ave Fort Collins CO 80523 USA
| | - Breandan Yeats
- Department of Biomedical Engineering Georgia Institute of Technology 387 Technology Cir NW Atlanta GA 30313 USA
| | - Shelley Gooden
- Department of Biomedical Engineering Georgia Institute of Technology 387 Technology Cir NW Atlanta GA 30313 USA
| | - Susan P. James
- School of Advanced Materials Discovery Colorado State University 700 Meridian Ave Fort Collins CO 80523 USA
| | - Lakshmi Prasad Dasi
- Department of Biomedical Engineering Georgia Institute of Technology 387 Technology Cir NW Atlanta GA 30313 USA
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28
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Yang F, Xu L, Guo G, Wang Y. Visible light-induced cross-linking of porcine pericardium for the improvement of endothelialization, anti-tearing, and anticalcification properties. J Biomed Mater Res A 2021; 110:31-42. [PMID: 34245103 DOI: 10.1002/jbm.a.37263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/28/2021] [Accepted: 06/29/2021] [Indexed: 12/18/2022]
Abstract
Population aging and the development of transcatheter aortic valve replacement boost the implantation of bioprosthetic heart valves (BHVs) in patients worldwide. However, the traditional glutaraldehyde cross-linked BHVs fail within 12-15 years mainly due to leaflet tear and calcification defects. In this study, a novel visible light-induced cross-linking of the porcine pericardium (PP) was realized by the photo-oxidation of the furfuryl-modified PP in the presence of Rose Bengal. The resulting material showed comparable collagen stability with the glutaraldehyde cross-linked PP and appropriate biomechanical properties such as tensile strength, modulus, and elongation, suggesting that this material could meet the general requirement for BHVs. Besides, this cross-linked PP showed significantly improved cytocompatibility compared with the Glut-cross-linked PP, with no cytotoxicity to L929 cells and the ability to support HUVECgrowth. Meanwhile, this material showed superior anti-tearing performance and much less calcification than the Glut-cross-linked PP in hope of reducing the risk of BHV failure. Considering these results, the visible light-induced cross-linking method proposed in this study could provide a promising way to construct a biocompatible and robust biomaterial for the fabrication of the BHV.
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Affiliation(s)
- Fan Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Liangpeng Xu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
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29
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Tao C, Wang D. Tissue Engineering for Mimics and Modulations of Immune Functions. Adv Healthc Mater 2021; 10:e2100146. [PMID: 33871178 DOI: 10.1002/adhm.202100146] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/21/2021] [Indexed: 11/12/2022]
Abstract
In the field of regenerative medicine, advances in tissue engineering have surpassed the reconstruction of individual tissues or organs and begun to work towards engineering systemic factors such as immune objects and functions. The immune system plays a crucial role in protecting and regulating systemic functions in the human body. Engineered immune tissues and organs have shown potential in recovering dysfunctions and aplasia of the immune system and the evasion from immune-mediated inflammatory responses and rejection elicited by engineered implants from allogeneic or xenogeneic sources are also being pursued to facilitate clinical transplantation of tissue engineered grafts. Here, current progress in tissue engineering to mimic or modulate immune functions is reviewed and elaborated from two perspectives: 1) engineering of immune tissues and organs per se and 2) immune evasion of host immunoinflammatory rejection by tissue-engineered implants.
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Affiliation(s)
- Chao Tao
- Department of Biomedical Engineering City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong SAR China
| | - Dong‐An Wang
- Department of Biomedical Engineering City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong SAR China
- Karolinska Institute Ming Wai Lau Centre for Reparative Medicine HKSTP Sha Tin Hong Kong SAR China
- Shenzhen Research Institute City University of Hong Kong Shenzhen 518057 P. R. China
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30
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Luo Y, Huang S, Ma L. A novel detergent-based decellularization combined with carbodiimide crosslinking for improving anti-calcification of bioprosthetic heart valve. Biomed Mater 2021; 16. [PMID: 33979785 DOI: 10.1088/1748-605x/ac0088] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/12/2021] [Indexed: 11/12/2022]
Abstract
Currently, valve replacement surgery is the only therapy for the end-stage valvular diseases because of the inability of regeneration for diseased heart valves. Bioprosthetic heart valves (BHVs), which are mainly derived from glutaraldehyde (GA) crosslinked porcine aortic heart valves or bovine pericardium, have been widely used in the last decades. However, it is inevitable that calcification and deterioration may occur within 10-15 years, which are still the main challenges for the BHVs in clinic. In this study, N-Lauroylsarcosine sodium salt (SLS) combined with N-(3-Dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC) and N-hydroxysuccinimide (NHS) were utilized to decellularize and crosslink the heart valves instead of GA treatment. The obtained BHVs exhibited excellent extracellular matrix stability and mechanical properties, which were similar with GA treatment. Moreover, the obtained BHVs exhibited betterin vitrobiocompatibilities than GA treatment. After subcutaneous implantation for 30 d, the obtained BHVs showed mitigated immune response and reduced calcification compare with GA treatment. Therefore, all the above results indicated that the treatment of SLS-based decellularization combined with EDC/NHS crosslink should be a promising method to fabricate BHVs which can be used in clinic in future.
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Affiliation(s)
- Yu Luo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Shenyu Huang
- Department of Ophthalmology, the Second Affiliated Hospital of Zhejiang University, College of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China
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31
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Xu L, Yang F, Ge Y, Guo G, Wang Y. Crosslinking porcine aortic valve by radical polymerization for the preparation of BHVs with improved cytocompatibility, mild immune response, and reduced calcification. J Biomater Appl 2021; 35:1218-1232. [PMID: 33478311 DOI: 10.1177/0885328220984066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Over one million artificial heart valve transplantations are performed each year due to valvular stenosis or regurgitation. Among them, bioprosthetic heart valves (BHVs) are increasingly being used because of the absence of the need for lifelong anticoagulation. Almost all of the commercial BHVs are treated with Glutaraldehyde (GLUT). As GLUT-treated BHVs are prone to calcification and structural degradation, their durability is greatly reduced with a service life of only 12-15 years. The physiological structure and mechanical properties of the porcine aortic valve (PAV) are closer to that of a human heart valve, so in this study, PAV is used as the model to explore the comprehensive properties of the prepared BHVs by radical polymerization crosslinking method. We found that PAV treated by radical polymerization crosslinking method showed similar ECM stability and biaxial mechanical properties with GLUT-treated PAV. However, radical polymerization crosslinked PAV exhibited better cytocompatibility and endothelialization potential in vitro cell experiment as better anticalcification potential and reduced immune response than GLUT-treated PAV through subcutaneous animal experiments in rats. To conclude, a novel crosslinking method of non-glutaraldehyde fixation of xenogeneic tissues for the preparation of BHVs is expected.
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Affiliation(s)
- Liangpeng Xu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, PR China
| | - Fan Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, PR China
| | - Yao Ge
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, PR China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, PR China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, PR China
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32
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Guo G, Jin L, Wu B, He H, Yang F, Xu L, Lei Y, Wang Y. A method for simultaneously crosslinking and functionalizing extracellular matrix-based biomaterials as bioprosthetic heart valves with enhanced endothelialization and reduced inflammation. Acta Biomater 2021; 119:89-100. [PMID: 33099025 DOI: 10.1016/j.actbio.2020.10.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 10/12/2020] [Accepted: 10/15/2020] [Indexed: 11/18/2022]
Abstract
With the coming of an aging society and the emergence of transcatheter valve technology, the implantation of bioprosthetic heart valves (BHVs) in patients with valvular disease has significantly increased worldwide. Currently, most clinically available BHVs are crosslinked with glutaraldehyde (GLUT). However, the GLUT treated BHV is less durable due to the combined effect of multiple factors such as cytotoxicity, immune responses, and calcification. In this study, the in-situ polymerization of sulfonic monomers with a decellularized extracellular matrix (ECM) was performed to simultaneously achieve the crosslinking and functionalization of ECM. Subsequently, the feasibility of the hybrid ECM used as leaflet material of BHV was evaluated. In in-vitro tests, the results indicated that the hybrid ECM fixed collagen efficiently and the introduction of sulfonic polymer promoted the proliferation and migration of human umbilical vein endothelial cells (HUVECs). In in-vivo tests, after being implanted in SD rats and mice, the hybrid ECM significantly inhibited immune response and calcification compared with the non-hybrid counterpart and GLUT crosslinked tissue. These results indicated that the hybrid ECM exhibited more competitive stability and better biocompatibility compared to these features in GLUT-crosslinked valve. Therefore, the sulfonic polymer hybrid ECM provides a potential material for more durable BHV and the in-situ polymerization strategy can serve as a general treatment method for tissue crosslinking as well as tailoring the biophysical properties of ECM.
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Affiliation(s)
- Gaoyang Guo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Linhe Jin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Binggang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Haiyang He
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Fan Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Liangpeng Xu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Yang Lei
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
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33
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Gao X, Xu Z, Liu G, Wu J. Polyphenols as a versatile component in tissue engineering. Acta Biomater 2021; 119:57-74. [PMID: 33166714 DOI: 10.1016/j.actbio.2020.11.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 10/12/2020] [Accepted: 11/03/2020] [Indexed: 12/14/2022]
Abstract
The fabrication of functional tissue or organs substitutes has always been the pursuit of goals in the field of tissue engineering. But even biocompatible tissue-engineered scaffolds still suffer from immune rejection, subsequent long-term oxidative stress and inflammation, which can delay normal tissue repair and regeneration. As a well-known natural antioxidant, polyphenols have been widely used in tissue engineering in recent years. The introduced polyphenols not only reduce the damage of oxidative stress to normal tissues, but show specific affinity to functional molecules, such as receptors, enzyme, transcription and transduction factors, etc. Therefore, polyphenols can promote the recovery process of damaged tissues by both regulating tissue microenvironment and participating in cell events, which embody specifically in antioxidant, anti-inflammatory, antibacterial and growth-promoting properties. In addition, based on its hydrophilic and hydrophobic moieties, polyphenols have been widely used to improve the mechanical properties and anti-degradation properties of tissue engineering scaffolds. In this review, the research advances of tissue engineering scaffolds containing polyphenols is discussed systematically from the aspects of action mechanism, introduction method and regulation effect of polyphenols, in order to provide references for the rational design of polyphenol-related functional scaffolds.
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Roseen MA, Lee R, Post AD, Wancura M, Connell JP, Cosgriff-Hernandez E, Grande-Allen KJ. Poly(ethylene glycol)-Based Coatings for Bioprosthetic Valve Tissues: Toward Restoration of Physiological Behavior. ACS APPLIED BIO MATERIALS 2020; 3:8352-8360. [PMID: 35019607 DOI: 10.1021/acsabm.0c00550] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bioprosthetic valves (BPVs) have a limited lifespan in the body necessitating repeated surgeries to replace the failed implant. Early failure of these implants has been linked to various surface properties of the valve. Surface properties of BPVs are significantly different from physiological valves because of the fixation process used when processing the xenograft tissue. To improve the longevity of BPVs, efforts need to be taken to improve the surface properties and shield the implant from the bodily interactions that degrade it. Toward this goal, we evaluated the use of hydrogel coatings to attach to the BPV tissue and impart surface properties that are close to physiological. Hydrogels are well characterized for their biocompatibility and highly tunable surface characteristics. Using a previously published coating method, we deposited hydrogel coatings of poly(ethylene glycol)diacrylate (PEGDA) and poly(ethylene glycol)diacrylamide (PEGDAA) atop BPV samples. Coated samples were evaluated against the physiological tissue and uncoated glutaraldehyde-fixed tissue for deposition of hydrogel, surface adherence, mechanical properties, and fixation properties. Results showed both PEGDA- and PEGDAA-deposited coatings were nearly continuous across the valve leaflet surface. Further, the PEGDA- and PEGDAA-coated samples showed restoration of physiological levels of protein adhesion and mechanical stiffness. Interestingly, the coating process rather than the coating itself altered the material behavior yet did not alter the cross-linking from fixation. These results show that the PEG-based coatings for BPVs can successfully alter surface properties of BPVs and help promote physiological characteristics without interfering with the necessary fixation.
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Affiliation(s)
- Madeleine A Roseen
- Department of Bioengineering, Rice University, Houston 77005, Texas, United States
| | - Romi Lee
- Department of Bioengineering, Rice University, Houston 77005, Texas, United States
| | - Allison D Post
- Department of Biomedical Engineering, University of Texas at Austin, Austin 78712, Texas, United States
| | - Megan Wancura
- Department of Chemistry, University of Texas at Austin, Austin 78712, Texas, United States
| | - Jennifer P Connell
- Department of Bioengineering, Rice University, Houston 77005, Texas, United States
| | | | - K Jane Grande-Allen
- Department of Bioengineering, Rice University, Houston 77005, Texas, United States
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Zhuravleva IY, Karpova EV, Oparina LA, Poveschenko OV, Surovtseva MA, Titov AT, Ksenofontov AL, Vasilieva MB, Kuznetsova EV, Bogachev-Prokophiev AV, Trofimov BA. Cross-linking method using pentaepoxide for improving bovine and porcine bioprosthetic pericardia: A multiparametric assessment study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111473. [PMID: 33255052 DOI: 10.1016/j.msec.2020.111473] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/14/2020] [Accepted: 08/31/2020] [Indexed: 12/16/2022]
Abstract
Bioprosthetic heart valves made from bovine pericardium (BP) and porcine pericardium (PP) preserved with glutaraldehyde (GA) are commonly used in valve surgeries but prone to calcification in many patients. In this study, we compared BP and PP preserved with GA, ethylene glycol diglycidyl ether (DE), and 1,2,3,4,6-penta-O-{1-[2-(glycidyloxy)ethoxy]ethyl}-d-glucopyranose (PE). We studied the stabilities of DE and PE in preservation media along with the amino acid (AA) compositions, Fourier-transform infrared spectra, mechanical properties, surface morphologies, thermal stability, calcification, and the cytocompatibility of BP and PP treated with 0.625% GA, 5% DE, 2% PE, and alternating 5% DE and 2% PE for 3 + 11 d and 10 + 10 d, respectively. Both epoxides were stable in the water-buffer solutions (pH 7.4). DE provided high linkage densities in BP and PP owing to reactions with Hyl, Lys, His, Arg, Ser, and Tyr. PE reacted weakly with these AAs but strongly with Met. High cross-linking density obtained using the 10 d + 10 d method provided satisfactory thermal stability of biomaterials. The epoxy preservations improved cytocompatibility and resistance to calcification. PE enhanced the stress/strain properties of the xenogeneic pericardia, perhaps by forming nanostructures that were clearly visualised in BP using scanning electron microscopy. The DE + PE combination, in an alternating cross-linking manner, thus constitutes a promising option for developing bioprosthetic pericardia.
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Affiliation(s)
- Irina Yu Zhuravleva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia.
| | - Elena V Karpova
- N. Vorozhtsov Institute of Organic Chemistry of SB RAS, 9 Lavrentyev Avenue, Novosibirsk 630090, Russia
| | - Ludmila A Oparina
- A. Favorsky Institute of Chemistry SB RAS, 1 Favorsky St., Irkutsk 664033, Russia
| | - Olga V Poveschenko
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia
| | - Maria A Surovtseva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia
| | - Anatoly T Titov
- V. Sobolev Institute of Geology and Mineralogy SB RAS, 3 Academician Koptyug Avenue, Novosibirsk 630090, Russia
| | - Alexander L Ksenofontov
- A. Belozersky Research Institute of Physico-Chemical Biology MSU, House 1, Building 40 Leninskye gory, Moscow 119992, Russia
| | - Maria B Vasilieva
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia
| | - Elena V Kuznetsova
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia
| | - Alexander V Bogachev-Prokophiev
- E. Meshalkin National Medical Research Center of the RF Ministry of Health, 15 Rechkunovskaya St., Novosibirsk 630055, Russia
| | - Boris A Trofimov
- A. Favorsky Institute of Chemistry SB RAS, 1 Favorsky St., Irkutsk 664033, Russia
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Jin L, He H, Yang F, Xu L, Guo G, Wang Y. Tough pNAGA hydrogel hybridized porcine pericardium for the pre-mounted TAVI valve with improved anti-tearing properties and hemocompatibility. ACTA ACUST UNITED AC 2020; 15:065013. [PMID: 32615546 DOI: 10.1088/1748-605x/aba239] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The rate of adoption of transcatheter aortic valve implantation (TAVI) is increasing rapidly, due to the procedure being less invasive. However, TAVI still faces problems relating to durability, the potential incidence of thrombosis, and the inconvenience of storage in glutaraldehyde (Glut) solution. In this work, a tough hydrogel poly(N-acryloyl glycinamide) (pNAGA) is hybridized with Glut-crosslinked porcine pericardium (Glut-PP) via in situ polymerization and glycerolization, so as to obtain dry leafet material for the fabrication of a pre-mounted bioprosthetic heart valve (BHV). The tensile strength, anti-shearing, and anti-tearing properties of the valve are significantly improved by the process of hydrogel hybridization. Following a period of dry-state compression as a simulation for the crimping process of pre-mounted TAV, pNAGA/Glut-PP showed full recovery without structural damage when fully rehydrated. The introduction of pNAGA also improved the blood compatibility of the tissue, with less clot formation and fewer blood cells adhering to the surface of pNAGA/Glut-PP than is found with Glut-PP. Subcutaneous implantation in rats showed that pNAGA/Glut-PP induced a decreased inflammatory response compared with Glut-PP. These results indicate that the strategy for hybridization with hydrogel could be a potential method for preparing pre-mounted TAVs with an improved performance.
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Kostyunin AE, Yuzhalin AE, Rezvova MA, Ovcharenko EA, Glushkova TV, Kutikhin AG. Degeneration of Bioprosthetic Heart Valves: Update 2020. J Am Heart Assoc 2020; 9:e018506. [PMID: 32954917 PMCID: PMC7792365 DOI: 10.1161/jaha.120.018506] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The implantation of bioprosthetic heart valves (BHVs) is increasingly becoming the treatment of choice in patients requiring heart valve replacement surgery. Unlike mechanical heart valves, BHVs are less thrombogenic and exhibit superior hemodynamic properties. However, BHVs are prone to structural valve degeneration (SVD), an unavoidable condition limiting graft durability. Mechanisms underlying SVD are incompletely understood, and early concepts suggesting the purely degenerative nature of this process are now considered oversimplified. Recent studies implicate the host immune response as a major modality of SVD pathogenesis, manifested by a combination of processes phenocopying the long‐term transplant rejection, atherosclerosis, and calcification of native aortic valves. In this review, we summarize and critically analyze relevant studies on (1) SVD triggers and pathogenesis, (2) current approaches to protect BHVs from calcification, (3) obtaining low immunogenic BHV tissue from genetically modified animals, and (4) potential strategies for SVD prevention in the clinical setting.
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Affiliation(s)
- Alexander E Kostyunin
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation
| | - Arseniy E Yuzhalin
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation.,Department of Molecular and Cellular Oncology The University of Texas MD Anderson Cancer Center Houston TX
| | - Maria A Rezvova
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation
| | - Evgeniy A Ovcharenko
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation
| | - Tatiana V Glushkova
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation
| | - Anton G Kutikhin
- Department of Experimental Medicine Research Institute for Complex Issues of Cardiovascular Diseases Kemerovo Russian Federation
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Hu C, Luo R, Wang Y. Heart Valves Cross-Linked with Erythrocyte Membrane Drug-Loaded Nanoparticles as a Biomimetic Strategy for Anti-coagulation, Anti-inflammation, Anti-calcification, and Endothelialization. ACS APPLIED MATERIALS & INTERFACES 2020; 12:41113-41126. [PMID: 32833422 DOI: 10.1021/acsami.0c12688] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In recent years, valvular heart disease has become a serious disease threatening human life and is a major cause of death worldwide. However, the glutaraldehyde (GLU)-treated biological heart valves (BHVs) fail to meet all requirements of clinical application due to disadvantages such as valve thrombus, cytotoxicity, endothelialization difficulty, immune response, and calcification. Encouragingly, there are a large number of carboxyls as well as a few amino groups on the surface of GLU-treated BHVs that can be modified to enhance biocompatibility. Inspired by natural biological systems, we report a novel approach in which the heart valve was cross-linked with erythrocyte membrane biomimetic drug-loaded nanoparticles. Such modified heart valves not only preserved the structural integrity, stability, and mechanical properties of the GLU-treated BHVs but also greatly improved anti-coagulation, anti-inflammation, anti-calcification, and endothelialization. The in vitro results demonstrated that the modified heart valves had long-term anti-coagulation properties and enhanced endothelialization processes. The modified heart valves also showed good biocompatibility, including blood and cell biocompatibility. Most importantly, the modified heart valves reduced the TNF-α levels and increased IL-10 compared to GLU-treated BHVs. In vivo animal experiments also confirmed that the modified heart valves had an ultrastrong resistance to calcification after implantation in rats for 120 days. The mechanism of anti-calcification in vivo was mainly due to the controlled release of anti-inflammatory drugs that reduced the inflammatory response after valve implantation. In summary, this therapeutic approach based on BHVs cross-linking with erythrocyte membrane biomimetic nanoparticles sparks a novel design for valvular heart disease therapy.
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Affiliation(s)
- Cheng Hu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan 610064, People's Republic of China
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Li H, Zhao L, Wang F, Wang H, Dong M, Liu T, Ruan T, Zhou M, Zhou Q, Xie L. Natural cross-linker-stabilized acellular porcine corneal stroma for lamellar keratoplasty. Acta Biomater 2020; 114:270-284. [PMID: 32702529 DOI: 10.1016/j.actbio.2020.07.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 07/16/2020] [Accepted: 07/16/2020] [Indexed: 01/12/2023]
Abstract
Acellular porcine corneal stroma (APCS) is a promising alternative to human donor cornea for lamellar keratoplasty (LKP). However, the detergents, enzymes and physical forces used during decellularization unavoidably alter the cornea's extracellular matrix composition and disrupt its ultrastructure, making it less mechanically stable and liable to degradation both in vitro and in vivo. Herein, we systematically analyzed the low biomechanics and easy degradability of APCS in terms of structure and protein composition. Then, we introduced natural cross-linkers, namely proanthocyanidin (PA), epigallocatechin-3-gallate and genipin, to stabilize the APCS that exhibited color variations during crosslinking. Then, we developed a protective crosslinking system by combining cross-linkers with bovine serum albumin (BSA) to reduce color change, maintain transparency and improve the mechanical property of APCS. PA/BSA-crosslinked APCS (PA/BSA-APCS) shows favorable corneal transparency and swelling property; the improved overall and surface corneal biomechanics were comparable to those of human cornea, revealing strong resistance to enzymatic degradation and good biocompatibility. Results from LKP in the rabbit model showed complete re-epithelialization without graft melting, the stitches were scarcely loosened after the operation and more host keratocytes had migrated in PA/BSA-APCS at six months post-operation. Therefore, PA/BSA-APCS could be useful as a corneal substitute for tissue regeneration and the protective crosslinking system could be applicable in other bioengineering fields.
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Affiliation(s)
- Hua Li
- Department of Ophthalmology, Clinical Medical College of Shandong University, Jinan, China; State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Long Zhao
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Fuyan Wang
- Department of Ophthalmology, Clinical Medical College of Shandong University, Jinan, China; State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Hongwei Wang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
| | - Muchen Dong
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Eye Hospital of Shandong First Medical Universtiy, Jinan, China
| | - Ting Liu
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
| | - Ting Ruan
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Mingming Zhou
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China
| | - Qingjun Zhou
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.
| | - Lixin Xie
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China; Qingdao Eye Hospital of Shandong First Medical University, Qingdao, China.
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Liu J, Li B, Jing H, Qin Y, Wu Y, Kong D, Leng X, Wang Z. Curcumin-crosslinked acellular bovine pericardium for the application of calcification inhibition heart valves. ACTA ACUST UNITED AC 2020; 15:045002. [PMID: 31972553 DOI: 10.1088/1748-605x/ab6f46] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Glutaraldehyde (GA) crosslinked bovine or porcine pericardium tissues exhibit high cell toxicity and calcification in the construction of bioprosthetic valves, which accelerate the failure of valve leaflets and motivate the exploration for alternatives. Polyphenols, including curcumin, procyanidin and quercetin, etc, have showed great calcification inhibition potential in crosslinking collagen and elastin scaffolds. Herein, we developed an innovative phenolic fixing technique by using curcumin as the crosslinking reagent for valvular materials. X-ray photoelectron spectroscopy and Fourier transform infrared spectrometry assessments confirmed the hydrogen bond between curcumin and acellular bovine pericardium. Importantly, the calcification inhibition capability of the curcumin-crosslinked bovine pericardium was proved by the dramatically reduced Ca2+ content in the curcumin-fixed group in in vitro assay, a juvenile rat subcutaneous implants model, as well as an osteogenic differentiation model. In addition, the results showed that the curcumin-fixed bovine pericardium exhibited better performance in the areas of mechanical performance, hemocompatibility and cytocompatibility, in comparison with the GA group and the commercialized product. In summary, we demonstrated that curcumin was a feasible crosslinking reagent to fix acellular bovine pericardium, which showed great potential for biomedical applications, particularly in cardiovascular biomaterials with calcification inhibition capacity.
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Affiliation(s)
- Jing Liu
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, People's Republic of China
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Grebenik EA, Gafarova ER, Istranov LP, Istranova EV, Ma X, Xu J, Guo W, Atala A, Timashev PS. Mammalian Pericardium-Based Bioprosthetic Materials in Xenotransplantation and Tissue Engineering. Biotechnol J 2020; 15:e1900334. [PMID: 32077589 DOI: 10.1002/biot.201900334] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 01/29/2020] [Indexed: 12/13/2022]
Abstract
Bioprosthetic materials based on mammalian pericardium tissue are the gold standard in reconstructive surgery. Their application range covers repair of rectovaginal septum defects, abdominoplastics, urethroplasty, duraplastics, maxillofacial, ophthalmic, thoracic and cardiovascular reconstruction, etc. However, a number of factors contribute to the success of their integration into the host tissue including structural organization, mechanical strength, biocompatibility, immunogenicity, surface chemistry, and biodegradability. In order to improve the material's properties, various strategies are developed, such as decellularization, crosslinking, and detoxification. In this review, the existing issues and long-term achievements in the development of bioprosthetic materials based on the mammalian pericardium tissue, aimed at a wide-spectrum application in reconstructive surgery are analyzed. The basic technical approaches to preparation of biocompatible forms providing continuous functioning, optimization of biomechanical and functional properties, and clinical applicability are described.
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Affiliation(s)
- Ekaterina A Grebenik
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Elvira R Gafarova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Leonid P Istranov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Elena V Istranova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, 119991, Russia
| | - Xiaowei Ma
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, P. R. China
| | - Jing Xu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, P. R. China
| | - Weisheng Guo
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, P. R. China
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, 27101, USA
| | - Peter S Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, 119991, Russia.,Institute of Photonic Technologies, Research center "Crystallography and Photonics" RAS, Moscow, 142190, Russia.,N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia
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Liu C, Qiao W, Cao H, Dai J, Li F, Shi J, Dong N. A riboflavin–ultraviolet light A-crosslinked decellularized heart valve for improved biomechanical properties, stability, and biocompatibility. Biomater Sci 2020; 8:2549-2563. [DOI: 10.1039/c9bm01956a] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Riboflavin–ultraviolet light A could effectively crosslink a decellularized heart valve to improve its biomechanical properties, stability and biocompatibility.
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Affiliation(s)
- Chungeng Liu
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Weihua Qiao
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Hong Cao
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Jinchi Dai
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Fei Li
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Jiawei Shi
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
| | - Nianguo Dong
- Department of Cardiovascular Surgery
- Union Hospital
- Tongji Medical College
- Huazhong University of Science and Technology
- Wuhan
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Liu J, Li B, Jing H, Wu Y, Kong D, Leng X, Wang Z. Swim Bladder as a Novel Biomaterial for Cardiovascular Materials with Anti-Calcification Properties. Adv Healthc Mater 2020; 9:e1901154. [PMID: 31815367 DOI: 10.1002/adhm.201901154] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/18/2019] [Indexed: 12/13/2022]
Abstract
Calcification is a major cause of cardiovascular materials failure and deterioration, which leads to the restriction of their wide application. To develop new materials with anti-calcification capability is an urgent clinical requirement. Herein, a natural material derived from swim bladders as one promising candidate is introduced, which is prepared by decellularization and glutaraldehyde (GA) crosslinking. Data show that the swim bladder is mainly composed of collagen I, glycosaminoglycan (GAG), and elastin, especially rich in elastin, in accordance with higher elastic modulus in comparison to bovine pericardium. Moreover, the calcification of this material is proved dramatically lower than that of bovine pericardium by in vitro calcification assessments and in vivo assay using a rat subcutaneous implantation model. Meanwhile, good cytocompatibility, hemocompatibility, and enzymatic stability are demonstrated by in vitro assays. Further, a small diameter vascular graft using this material is successfully developed by rolling method and in situ implantation assay using a rat abdominal artery replacement model shows great performances in the aspect of higher patency and lower calcification. Taken together, these superior properties of swim bladder-derived material in anti-calcification, proper mechanical strength and stability, and excellent hemocompatibility and cytocompatibility endow it a great candidate as cardiovascular biomaterials.
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Affiliation(s)
- Jing Liu
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Binhan Li
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Huimin Jing
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Yongjian Wu
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Deling Kong
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
- Key Laboratory of Bioactive Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin, 300071, China
| | - Xigang Leng
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
| | - Zhihong Wang
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300192, China
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Chen J, Cai Z, Wei Q, Wang D, Wu J, Tan Y, Lu J, Ai H. Proanthocyanidin-crosslinked collagen/konjac glucomannan hydrogel with improved mechanical properties and MRI trackable biodegradation for potential tissue engineering scaffolds. J Mater Chem B 2019; 8:316-331. [PMID: 31819938 DOI: 10.1039/c9tb02053e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Collagen (Col) has been intensively exploited as a biomaterial for its excellent biocompatibility, biodegradation and bioactivity. However, the poor mechanical properties and rapid biodegradation of reconstituted collagen hydrogels have always been the bottlenecks for their further development especially for vascular tissue engineering. Herein, based on the self-assembly characteristics of collagen, a ternary hydrogel scaffold, comprising rigid collagen molecules, flexible konjac glucomannan (KGM) chains and biocompatible crosslinkers of proanthocyanidin (PA), has been designed to achieve a synergistic interaction for essentially optimizing the mechanical properties of the so-obtained Col/KGM/PA hydrogel, which possesses not only substantially improved strength but also good elasticity. PA endows these scaffolds with controllable biodegradation and anti-calcification and antioxidant activities. TEM discovered the co-existence of two types of fibrils with distinctly different arrangement patterns, explaining the contribution of KGM macromolecules to elasticity generation. The in vivo variations of Col/KGM/PA implants are visualized in real-time by magnetic resonance imaging (MRI). Moreover, a quantitative technique of MRI T2-mapping combined with histology is designed to visualize the in vivo biodegradation mechanism of layer-by-layer erosion for these hydrogels. Simultaneously, three different relationships between the respective processes of in vivo degradation and in vivo dehydration of these controlled hydrogel implants were clearly revealed by this technique. Such a designed Col/KGM/PA composite hydrogel realizes the essential integration of good biocompatibility, controllable biodegradation and improved mechanical properties for developing a desired scaffold material for tissue engineering applications.
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Affiliation(s)
- Jinlin Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Zhongyuan Cai
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Qingrong Wei
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Dan Wang
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Jun Wu
- School of medical imaging, North Sichuan Medical College, Nanchong, 637000, China
| | - Yanfei Tan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Jian Lu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Hua Ai
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
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Guo F, Liu Y, Jiao K, Yang R, Hou M, Zhang X. Artificial Heart Valves with Balanced Charged Networks Exhibiting Anti-Calcification Properties. ACS APPLIED BIO MATERIALS 2019; 3:838-847. [DOI: 10.1021/acsabm.9b00902] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Feng Guo
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yunen Liu
- Department of Emergency Medicine, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Kai Jiao
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Rui Yang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Mingxiao Hou
- Department of Emergency Medicine, General Hospital of Northern Theater Command, Shenyang, Liaoning 110016, China
| | - Xing Zhang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
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Yuan H, Chen C, Liu Y, Lu T, Wu Z. Strategies in cell‐free tissue‐engineered vascular grafts. J Biomed Mater Res A 2019; 108:426-445. [PMID: 31657523 DOI: 10.1002/jbm.a.36825] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Haoyong Yuan
- Department of Cardiovascular surgery The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Chunyang Chen
- Department of Cardiovascular surgery The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Yuhong Liu
- Department of Cardiovascular surgery The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Ting Lu
- Department of Cardiovascular surgery The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Zhongshi Wu
- Department of Cardiovascular surgery The Second Xiangya Hospital of Central South University Changsha Hunan China
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Lei Y, Deng L, Tang Y, Ning Q, Lan X, Wang Y. Hybrid Pericardium with VEGF‐Loaded Hyaluronic Acid Hydrogel Coating to Improve the Biological Properties of Bioprosthetic Heart Valves. Macromol Biosci 2019; 19:e1800390. [DOI: 10.1002/mabi.201800390] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 03/19/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Yang Lei
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
| | - Lu Deng
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
| | - Yuyang Tang
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
| | - Qinggong Ning
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
| | - Xiaorong Lan
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
| | - Yunbing Wang
- National Engineering Research Center for BiomaterialsSichuan University Chengdu 610064 China
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Jin L, Guo G, Jin W, Lei Y, Wang Y. Cross-Linking Methacrylated Porcine Pericardium by Radical Polymerization Confers Enhanced Extracellular Matrix Stability, Reduced Calcification, and Mitigated Immune Response to Bioprosthetic Heart Valves. ACS Biomater Sci Eng 2019; 5:1822-1832. [DOI: 10.1021/acsbiomaterials.9b00091] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Linhe Jin
- National Engineering Research Center for Biomaterials, Sichuan University, No. 24 South Section 1 Yihuan Road, Chengdu 610064, P. R. China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials, Sichuan University, No. 24 South Section 1 Yihuan Road, Chengdu 610064, P. R. China
| | - Wanyu Jin
- National Engineering Research Center for Biomaterials, Sichuan University, No. 24 South Section 1 Yihuan Road, Chengdu 610064, P. R. China
| | - Yang Lei
- National Engineering Research Center for Biomaterials, Sichuan University, No. 24 South Section 1 Yihuan Road, Chengdu 610064, P. R. China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, No. 24 South Section 1 Yihuan Road, Chengdu 610064, P. R. China
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Liu J, Jing H, Qin Y, Li B, Sun Z, Kong D, Leng X, Wang Z. Nonglutaraldehyde Fixation for off the Shelf Decellularized Bovine Pericardium in Anticalcification Cardiac Valve Applications. ACS Biomater Sci Eng 2019; 5:1452-1461. [DOI: 10.1021/acsbiomaterials.8b01311] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jing Liu
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Huimin Jing
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Yibo Qin
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Binhan Li
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Zhiting Sun
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Deling Kong
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
- Key Laboratory of Bioactive Materials of Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, College of Life Science, Nankai University, Tianjin 300071, China
| | - Xigang Leng
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Zhihong Wang
- Tianjin Key Laboratory of Biomaterial Research, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
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