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Zhao J, Zhang H, Ling Z, An Z, Xiao S, Wang P, Fu Z, Shao J, Sun Y, Fu W. A bilayer bioengineered patch with sequential dual-growth factor release to promote vascularization in bladder reconstruction. Regen Biomater 2024; 11:rbae083. [PMID: 39077683 PMCID: PMC11286312 DOI: 10.1093/rb/rbae083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/15/2024] [Accepted: 06/25/2024] [Indexed: 07/31/2024] Open
Abstract
Bladder tissue engineering holds promise for addressing bladder defects resulting from congenital or acquired bladder diseases. However, inadequate vascularization significantly impacts the survival and function of engineered tissues after transplantation. Herein, a novel bilayer silk fibroin (BSF) scaffold was fabricated with the capability of vascular endothelial growth factor (VEGF) and platelet derived growth factor-BB (PDGF-BB) sequential release. The outer layer of the scaffold was composed of compact SF film with waterproofness to mimic the serosa of the bladder. The inner layer was constructed of porous SF matrix incorporated with SF microspheres (MS) loaded with VEGF and PDGF-BB. We found that the 5% (w/v) MS-incorporated scaffold exhibited a rapid release of VEGF, whereas the 0.2% (w/v) MS-incorporated scaffold demonstrated a slow and sustained release of PDGF-BB. The BSF scaffold exhibited good biocompatibility and promoted endothelial cell migration, tube formation and enhanced endothelial differentiation of adipose derived stem cells (ADSCs) in vitro. The BSF patch was constructed by seeding ADSCs on the BSF scaffold. After in vivo transplantation, not only could the BSF patch facilitate the regeneration of urothelium and smooth muscle, but more importantly, stimulate the regeneration of blood vessels. This study demonstrated that the BSF patch exhibited excellent vascularization capability in bladder reconstruction and offered a viable functional bioengineered patch for future clinical studies.
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Affiliation(s)
- Jian Zhao
- Medical School of PLA, Beijing 100853, China
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
- Department of Urology, 960th Hospital of PLA, Jinan 250031, China
| | - Haoqian Zhang
- Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, China
| | - Zhengyun Ling
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
- School of Medicine, Nankai University, Tianjin 300071, China
| | - Ziyan An
- Medical School of PLA, Beijing 100853, China
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
| | - Shuwei Xiao
- Department of Urology, Air Force Medical Center, Beijing 100142, China
| | - Pengchao Wang
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
| | - Zhouyang Fu
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
| | - Jinpeng Shao
- Medical School of PLA, Beijing 100853, China
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
| | - Yanfeng Sun
- Department of Pediatrics, The Third Medical Center, PLA General Hospital, Beijing 100039, China
| | - Weijun Fu
- Department of Urology, The Third Medical Center, PLA General Hospital, Beijing 100039, China
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Hao R, Ye X, Chen X, Du J, Tian F, Zhang L, Ma G, Rao F, Xue J. Integrating Bioactive Graded Hydrogel with Radially Aligned Nanofibers to Dynamically Manipulate Wound Healing Process. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37770-37782. [PMID: 38987992 DOI: 10.1021/acsami.4c09204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Skin wound healing is a complex process that requires appropriate treatment and management. Using a single scaffold to dynamically manipulate angiogenesis, cell migration and proliferation, and tissue reconstruction during skin wound healing is a great challenge. We developed a hybrid scaffold platform that integrates the spatiotemporal delivery of bioactive cues with topographical cues to dynamically manipulate the wound-healing process. The scaffold comprised gelatin methacryloyl hydrogels and electrospun poly(ε-caprolactone)/gelatin nanofibers. The hydrogels had graded cross-linking densities and were loaded with two different functional bioactive peptides. The nanofibers comprised a radially aligned nanofiber array layer and a layer of random fibers. During the early stages of wound healing, the KLTWQELYQLKYKGI peptide, which mimics vascular endothelial growth factor, was released from the inner layer of the hydrogel to accelerate angiogenesis. During the later stages of wound healing, the IKVAVS peptide, which promotes cell migration, synergized with the radially aligned nanofiber membrane to promote cell migration, while the nanofiber membrane also supported further cell proliferation. In an in vivo rat skin wound-healing model, the hybrid scaffold significantly accelerated wound healing and collagen deposition, and the ratio of type I to type III collagen at the wound site resembled that of normal skin. The prepared scaffold dynamically regulated the skin tissue regeneration process in stages to achieve rapid wound repair with clinical application potential, providing a strategy for skin wound repair.
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Affiliation(s)
- Ruinan Hao
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Xilin Ye
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xiaofeng Chen
- Trauma Center, Peking University People's Hospital, Beijing 100044, P.R. China
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, National Trauma Medical Center, Peking University, Beijing 100044, P.R. China
| | - Jinzhi Du
- School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Feng Tian
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Liqun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Guolin Ma
- Department of Radiology, China-Japan Friendship Hospital, Beijing 100029, P.R. China
| | - Feng Rao
- Trauma Center, Peking University People's Hospital, Beijing 100044, P.R. China
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, National Trauma Medical Center, Peking University, Beijing 100044, P.R. China
| | - Jiajia Xue
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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Yang K, Yang J, Chen R, Dong Q, Zhou Y. Fast Self-Healing Hyaluronic Acid Hydrogel with a Double-Dynamic Network for Skin Wound Repair. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37569-37580. [PMID: 38986604 DOI: 10.1021/acsami.4c06156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Developing extracellular matrix-derived hydrogel with a fast self-healing capacity to provide a sustainable moist environment able to accelerate wound healing is highly desired for full-thickness skin wound repair. In this study, a fast self-healing hyaluronic acid hydrogel with a dual dynamic network was constructed through a primary reversible acylhydrazone bond formed between aldehyde-modified hyaluronic acid, 3,3'-dithiobis (propionyl hydrazide) (DTP), and secondary dynamic ionic interactions between κ-carrageenan (KC) and K+. Because of the presence of various dynamic covalent bonds such as the acylhydrazone bond, disulfide bond, and noncovalent bonds including hydrogen bonding and ionic interactions, as well as the notable thermoreversible nature of KC, the resultant hydrogel could be self-healed rapidly within 30 min under physiological temperature with a self-healing efficiency of 100%, which was significantly better than other hyaluronic acid hydrogels, as reported previously. Besides, the hydrogel displayed excellent cytocompatibility. According to this study, the hydrogel was administered into the wounds and achieved a superior performance of promoting full-thickness skin wound healing by increasing granulation tissue formation, deposition of collagen as well as the acceleration of re-epithelialization and neovascularization, compared to commercial products, e.g., gauze and 3 M hydrocolloid. We also anticipate that this strategy of double-dynamic network cross-linking can be adopted to fabricate self-healing materials for multiple applications.
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Affiliation(s)
- Kaidan Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Junfeng Yang
- College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Ruina Chen
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Qi Dong
- College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Yingshan Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
- College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China
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Wang T, Lu P, Wan Z, He Z, Cheng S, Zhou Y, Liao S, Wang M, Wang T, Shu C. Adaptation process of decellularized vascular grafts as hemodialysis access in vivo. Regen Biomater 2024; 11:rbae029. [PMID: 38638701 PMCID: PMC11026144 DOI: 10.1093/rb/rbae029] [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: 10/11/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 04/20/2024] Open
Abstract
Arteriovenous grafts (AVGs) have emerged as the preferred option for constructing hemodialysis access in numerous patients. Clinical trials have demonstrated that decellularized vascular graft exhibits superior patency and excellent biocompatibility compared to polymer materials; however, it still faces challenges such as intimal hyperplasia and luminal dilation. The absence of suitable animal models hinders our ability to describe and explain the pathological phenomena above and in vivo adaptation process of decellularized vascular graft at the molecular level. In this study, we first collected clinical samples from patients who underwent the construction of dialysis access using allogeneic decellularized vascular graft, and evaluated their histological features and immune cell infiltration status 5 years post-transplantation. Prior to the surgery, we assessed the patency and intimal hyperplasia of the decellularized vascular graft using non-invasive ultrasound. Subsequently, in order to investigate the in vivo adaptation of decellularized vascular grafts in an animal model, we attempted to construct an AVG model using decellularized vascular grafts in a small animal model. We employed a physical-chemical-biological approach to decellularize the rat carotid artery, and histological evaluation demonstrated the successful removal of cellular and antigenic components while preserving extracellular matrix constituents such as elastic fibers and collagen fibers. Based on these results, we designed and constructed the first allogeneic decellularized rat carotid artery AVG model, which exhibited excellent patency and closely resembled clinical characteristics. Using this animal model, we provided a preliminary description of the histological features and partial immune cell infiltration in decellularized vascular grafts at various time points, including Day 7, Day 21, Day 42, and up to one-year post-implantation. These findings establish a foundation for further investigation into the in vivo adaptation process of decellularized vascular grafts in small animal model.
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Affiliation(s)
- Tun Wang
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Peng Lu
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Zicheng Wan
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Zhenyu He
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Siyuan Cheng
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Yang Zhou
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Sheng Liao
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Mo Wang
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Tianjian Wang
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
| | - Chang Shu
- Department of Vascular Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Institute of Vascular Diseases, Central South University, Changsha 410011, China
- Center of Vascular Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China
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Nguyen TM, Geng X, Wei Y, Ye L, Garry DJ, Zhang J. Single-cell RNA sequencing analysis identifies one subpopulation of endothelial cells that proliferates and another that undergoes the endothelial-mesenchymal transition in regenerating pig hearts. Front Bioeng Biotechnol 2024; 11:1257669. [PMID: 38288246 PMCID: PMC10823534 DOI: 10.3389/fbioe.2023.1257669] [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: 07/12/2023] [Accepted: 12/04/2023] [Indexed: 01/31/2024] Open
Abstract
Background: In our previous work, we demonstrated that when newborn pigs undergo apical resection (AR) on postnatal day 1 (P1), the animals' hearts were completely recover from a myocardial infarction (MI) that occurs on postnatal day 28 (P28); single-nucleus RNA sequencing (snRNAseq) data suggested that this recovery was achieved by regeneration of pig cardiomyocyte subpopulations in response to MI. However, coronary vasculature also has a key role in promoting cardiac repair. Method: Thus, in this report, we used autoencoder algorithms to analyze snRNAseq data from endothelial cells (ECs) in the hearts of the same animals. Main results: Our results identified five EC clusters, three composed of vascular ECs (VEC1-3) and two containing lymphatic ECs (LEC1-2). Cells from VEC1 expressed elevated levels of each of five cell-cyclespecific markers (Aurora Kinase B [AURKB], Marker of Proliferation Ki-67 [MKI67], Inner Centromere Protein [INCENP], Survivin [BIRC5], and Borealin [CDCA8]), as well as a number of transcription factors that promote EC proliferation, while (VEC3 was enriched for genes that regulate intercellular junctions, participate in transforming growth factor β (TGFβ), bone morphogenic protein (BMP) signaling, and promote the endothelial mesenchymal transition (EndMT). The remaining VEC2 did not appear to participate directly in the angiogenic response to MI, but trajectory analyses indicated that it may serve as a reservoir for the generation of VEC1 and VEC3 ECs in response to MI. Notably, only the VEC3 cluster was more populous in regenerating (i.e., ARP1MIP28) than non-regenerating (i.e., MIP28) hearts during the 1-week period after MI induction, which suggests that further investigation of the VEC3 cluster could identify new targets for improving myocardial recovery after MI. Histological analysis of KI67 and EndMT marker PDGFRA demonstrated that while the expression of proliferation of endothelial cells was not significantly different, expression of EndMT markers was significantly higher among endothelial cells of ARP1MIP28 hearts compared to MIP28 hearts, which were consistent with snRNAseq analysis of clusters VEC1 and VEC3. Furthermore, upregulated secrete genes by VEC3 may promote cardiomyocyte proliferation via the Pi3k-Akt and ERBB signaling pathways, which directly contribute to cardiac muscle regeneration. Conclusion: In regenerative heart, endothelial cells may express EndMT markers, and this process could contribute to regeneration via a endothelial-cardiomyocyte crosstalk that supports cardiomyocyte proliferation.
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Affiliation(s)
- Thanh Minh Nguyen
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Xiaoxiao Geng
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yuhua Wei
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Lei Ye
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Daniel J. Garry
- Department of Medicine, School of Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Jianyi Zhang
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Medicine, Cardiovascular Diseases, University of Alabama at Birmingham, Birmingham, AL, United States
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Chen X, Liu S, Han M, Long M, Li T, Hu L, Wang L, Huang W, Wu Y. Engineering Cardiac Tissue for Advanced Heart-On-A-Chip Platforms. Adv Healthc Mater 2024; 13:e2301338. [PMID: 37471526 DOI: 10.1002/adhm.202301338] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/17/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Cardiovascular disease is a major cause of mortality worldwide, and current preclinical models including traditional animal models and 2D cell culture models have limitations in replicating human native heart physiology and response to drugs. Heart-on-a-chip (HoC) technology offers a promising solution by combining the advantages of cardiac tissue engineering and microfluidics to create in vitro 3D cardiac models, which can mimic key aspects of human microphysiological systems and provide controllable microenvironments. Herein, recent advances in HoC technologies are introduced, including engineered cardiac microtissue construction in vitro, microfluidic chip fabrication, microenvironmental stimulation, and real-time feedback systems. The development of cardiac tissue engineering methods is focused for 3D microtissue preparation, advanced strategies for HoC fabrication, and current applications of these platforms. Major challenges in HoC fabrication are discussed and the perspective on the potential for these platforms is provided to advance research and clinical applications.
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Affiliation(s)
- Xinyi Chen
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Sitian Liu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Mingying Han
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China
| | - Meng Long
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ting Li
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Lanlan Hu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Ling Wang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China
| | - Wenhua Huang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yaobin Wu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
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Yang B, Yang G, Zhao F, Yao X, Xu L, Zhou L. Autologous Endothelial Progenitor Cells and Bioactive Factors Improve Bladder Regeneration. Tissue Eng Part C Methods 2024; 30:15-26. [PMID: 37756374 DOI: 10.1089/ten.tec.2023.0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023] Open
Abstract
Insufficient vascularization is still a challenge that impedes bladder tissue engineering and results in unsatisfied smooth muscle regeneration. Since bladder regeneration is a complex articulated process, the aim of this study is to investigate whether combining multiple pathways by exploiting a combination of biomaterials, cells, and bioactive factors, contributes to the improvements of smooth muscle regeneration and vascularization in tissue-engineered bladder. Autologous endothelial progenitor cells (EPCs) and bladder smooth muscle cells (BSMCs) are cultured and incorporated into our previously prepared porcine bladder acellular matrix (BAM) for bladder augmentation in rabbits. Simultaneously, exogenous vascular endothelial growth factor (VEGF) and platelet-derived growth factor BB (PDGF-BB) mixed with Matrigel were injected around the implanted cells-BAM complex. In the results, compared with control rabbits received bladder augmentation with porcine BAM seeded with BSMCs, the experimental animals showed significantly improved smooth muscle regeneration and vascularization, along with more excellent functional recovery of tissue-engineered bladder, due to the additional combination of autologous EPCs and bioactive factors, including VEGF and PDGF-BB. Furthermore, cell tracking suggested that the seeded EPCs could be directly involved in neovascularization. Therefore, it may be an effective method to combine multiple pathways for tissue-engineering urinary bladder.
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Affiliation(s)
- Bin Yang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Guanjie Yang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Feng Zhao
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xudong Yao
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Luwei Xu
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Liuhua Zhou
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
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Heidari F, Saadatmand M, Simorgh S. Directly coaxial bioprinting of 3D vascularized tissue using novel bioink based on decellularized human amniotic membrane. Int J Biol Macromol 2023; 253:127041. [PMID: 37742904 DOI: 10.1016/j.ijbiomac.2023.127041] [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: 07/20/2023] [Revised: 09/05/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Despite several progressions in the biofabrication of large-scale engineered tissues, direct biopri nting of perfusable three-dimensional (3D) vasculature remained unaddressed. Developing a feasible method to generate cell-laden thick tissue with an effective vasculature network to deliver oxygen and nutrient is crucial for preventing the formation of necrotic spots and tissue death. In this study, we developed a novel technique to directly bioprint 3D cell-laden prevascularized construct. We developed a novel bioink by mixing decellularized human amniotic membrane (dHAM) and alginate (Alg) in various ratios. The bioink with encapsulated human vein endothelial cells (HUVECs) and a crosslinker, CaCl2, were extruded via sheath and core nozzle respectively to directly bioprint a perfusable 3D vasculature construct. The various concentration of bioink was assessed from several aspects like biocompatibility, porosity, swelling, degradation, and mechanical characteristics, and accordingly, optimized concentration was selected (Alg 4 %w/v - dHAM 0.6 %w/v). Then, the crosslinked bioink without microchannel and the 3D bioprinted construct with various microchannel distances (0, 1.5 mm, 3 mm) were compared. The 3D bioprinted construct with a 1.5 mm microchannels distance demonstrated superiority owing to its 492 ± 18.8 % cell viability within 14 days, excellent tubulogenesis, remarkable expression of VEGFR-2 which play a crucial role in endothelial cell proliferation, migration, and more importantly angiogenesis, and neovascularization. This perfusable bioprinted construct also possess appropriate mechanical stability (32.35 ± 5 kPa Young's modulus) for soft tissue. Taking these advantages into the account, our new bioprinting method possesses a prominent potential for the fabrication of large-scale prevascularized tissue to serve for regenerative medicine applications like implantation, drug-screening platform, and the study of mutation disease.
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Affiliation(s)
- Faranak Heidari
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran.
| | - Maryam Saadatmand
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran.
| | - Sara Simorgh
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Schallmoser A, Einenkel R, Färber C, Hüren V, Emrich N, John J, Sänger N. Comparison of angiogenic potential in vitrified vs. slow frozen human ovarian tissue. Sci Rep 2023; 13:12885. [PMID: 37558708 PMCID: PMC10412559 DOI: 10.1038/s41598-023-39920-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023] Open
Abstract
Vitrification of ovarian tissue is a promising alternative approach to the traditional slow freezing method. Few empirical investigations have been conducted to determine the angiogenic profiles of these two freezing methods. In this study we aimed to answer the question whether one of the cryopreservation methods should be preferred based on the secretion of angiogenic factors. Tissue culture with reduced oxygen (5%) was conducted for 48 h with samples of fresh, slow frozen/thawed and vitrified/rapid warmed ovarian cortex tissue from 20 patients. From each patient, tissue was used in all three treatment groups. Tissue culture supernatants were determined regarding cytokine expression profiles of angiogenin, angiopoietin-2, epidermal growth factor, basic fibroblast growth factor, heparin binding epidermal growth factor, hepatocyte growth factor, Leptin, Platelet-derived growth factor B, placental growth factor and vascular endothelial growth factor A via fluoroimmunoassay. Apoptotic changes were assessed by TUNEL staining of cryosections and supplemented by hematoxylin and eosin and proliferating cell nuclear antigen staining. Comparing the angiogenic expression profiles of vitrified/rapid warmed tissue with slow frozen/thawed tissue samples, no significant differences were observed. Detection of apoptotic DNA fragmentation via TUNEL indicated minor apoptotic profiles that were not significantly different comparing both cryopreservation methods. Vitrification of ovarian cortical tissue does not appear to impact negatively on the expression profile of angiogenic factors and may be regarded as an effective alternative approach to the traditional slow freezing method.
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Affiliation(s)
- Andreas Schallmoser
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany.
| | - Rebekka Einenkel
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Cara Färber
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Vanessa Hüren
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Norah Emrich
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Julia John
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Nicole Sänger
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Bonn, Venusberg Campus 1, 53127, Bonn, Germany.
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Park D, Lee SJ, Choi DK, Park JW. Therapeutic Agent-Loaded Fibrous Scaffolds for Biomedical Applications. Pharmaceutics 2023; 15:pharmaceutics15051522. [PMID: 37242764 DOI: 10.3390/pharmaceutics15051522] [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: 04/05/2023] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Tissue engineering is a sophisticated field that involves the integration of various disciplines, such as clinical medicine, material science, and life science, to repair or regenerate damaged tissues and organs. To achieve the successful regeneration of damaged or diseased tissues, it is necessary to fabricate biomimetic scaffolds that provide structural support to the surrounding cells and tissues. Fibrous scaffolds loaded with therapeutic agents have shown considerable potential in tissue engineering. In this comprehensive review, we examine various methods for fabricating bioactive molecule-loaded fibrous scaffolds, including preparation methods for fibrous scaffolds and drug-loading techniques. Additionally, we delved into the recent biomedical applications of these scaffolds, such as tissue regeneration, inhibition of tumor recurrence, and immunomodulation. The aim of this review is to discuss the latest research trends in fibrous scaffold manufacturing methods, materials, drug-loading methods with parameter information, and therapeutic applications with the goal of contributing to the development of new technologies or improvements to existing ones.
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Affiliation(s)
- Dongsik Park
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Su Jin Lee
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Dong Kyu Choi
- New Drug Development Center (NDDC), Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Jee-Woong Park
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
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11
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Hosseini M, Shafiee A. Vascularization of cutaneous wounds by stem cells. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 199:327-350. [PMID: 37678977 DOI: 10.1016/bs.pmbts.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Abstract
Differentiated skin cells have limited self-renewal capacity; thus, the application of stem/progenitor cells, adult or induced stem cells, has attracted much attention for wound healing applications. Upon skin injury, vascularization, known as a highly dynamic process, occurs with the contribution of cells, the extracellular matrix, and relevant growth factors. Considering the importance of this process in tissue regeneration, several strategies have been proposed to enhance angiogenesis and accelerate wound healing. Previous studies report the effectiveness of stem/progenitor cells in skin wound healing by facilitating the vascularization process. This chapter reviews and highlights some of the key and recent investigations on application of stem/progenitor cells to induce skin revascularization after trauma.
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Affiliation(s)
- Motaharesadat Hosseini
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, Australia; ARC Industrial Transformation Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D), Queensland University of Technology, Brisbane, QLD, Australia
| | - Abbas Shafiee
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, QLD, Australia; Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, QLD, Australia; Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia.
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12
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Yuan X, Duan X, Enhejirigala, Li Z, Yao B, Song W, Wang Y, Kong Y, Zhu S, Zhang F, Liang L, Zhang M, Zhang C, Kong D, Zhu M, Huang S, Fu X. Reciprocal interaction between vascular niche and sweat gland promotes sweat gland regeneration. Bioact Mater 2023; 21:340-357. [PMID: 36185745 PMCID: PMC9483744 DOI: 10.1016/j.bioactmat.2022.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/20/2022] [Accepted: 08/25/2022] [Indexed: 11/26/2022] Open
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13
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Ren B, Jiang Z, Murfee WL, Katz AJ, Siemann D, Huang Y. Realizations of vascularized tissues: From in vitro platforms to in vivo grafts. BIOPHYSICS REVIEWS 2023; 4:011308. [PMID: 36938117 PMCID: PMC10015415 DOI: 10.1063/5.0131972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 02/07/2023] [Indexed: 03/18/2023]
Abstract
Vascularization is essential for realizing thick and functional tissue constructs that can be utilized for in vitro study platforms and in vivo grafts. The vasculature enables the transport of nutrients, oxygen, and wastes and is also indispensable to organ functional units such as the nephron filtration unit, the blood-air barrier, and the blood-brain barrier. This review aims to discuss the latest progress of organ-like vascularized constructs with specific functionalities and realizations even though they are not yet ready to be used as organ substitutes. First, the human vascular system is briefly introduced and related design considerations for engineering vascularized tissues are discussed. Second, up-to-date creation technologies for vascularized tissues are summarized and classified into the engineering and cellular self-assembly approaches. Third, recent applications ranging from in vitro tissue models, including generic vessel models, tumor models, and different human organ models such as heart, kidneys, liver, lungs, and brain, to prevascularized in vivo grafts for implantation and anastomosis are discussed in detail. The specific design considerations for the aforementioned applications are summarized and future perspectives regarding future clinical applications and commercialization are provided.
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Affiliation(s)
- Bing Ren
- Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida 32611, USA
| | - Zhihua Jiang
- Department of Surgery, University of Florida, Gainesville, Florida 32610, USA
| | - Walter Lee Murfee
- Department of Biomedical Engineering, University of Florida, Gainesville, Florida 32611, USA
| | - Adam J. Katz
- Department of Plastic and Reconstructive Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157, USA
| | - Dietmar Siemann
- Department of Radiation Oncology, University of Florida, Gainesville, Florida 32610, USA
| | - Yong Huang
- Author to whom correspondence should be addressed:
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14
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Ni L, Lin B, Zhang Y, Hu L, Lin J, Fu F, Shen M, Li C, Chen L, Yang J, Shi D, Chen YH. Histone modification landscape and the key significance of H3K27me3 in myocardial ischaemia/reperfusion injury. SCIENCE CHINA. LIFE SCIENCES 2023:10.1007/s11427-022-2257-9. [PMID: 36808292 DOI: 10.1007/s11427-022-2257-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/06/2022] [Indexed: 02/21/2023]
Abstract
Histone modifications play crucial roles in the pathogenesis of myocardial ischaemia/reperfusion (I/R) injury. However, a genome-wide map of histone modifications and the underlying epigenetic signatures in myocardial I/R injury have not been established. Here, we integrated transcriptome and epigenome of histone modifications to characterize epigenetic signatures after I/R injury. Disease-specific histone mark alterations were mainly found in H3K27me3-, H3K27ac-, and H3K4me1-marked regions 24 and 48 h after I/R. Genes differentially modified by H3K27ac, H3K4me1 and H3K27me3 were involved in immune response, heart conduction or contraction, cytoskeleton, and angiogenesis. H3K27me3 and its methyltransferase polycomb repressor complex 2 (PRC2) were upregulated in myocardial tissues after I/R. Upon selective inhibition of EZH2 (the catalytic core of PRC2), the mice manifest improved cardiac function, enhanced angiogenesis, and reduced fibrosis. Further investigations confirmed that EZH2 inhibition regulated H3K27me3 modification of multiple pro-angiogenic genes and ultimately enhanced angiogenic properties in vivo and in vitro. This study delineates a landscape of histone modifications in myocardial I/R injury, and identifies H3K27me3 as a key epigenetic modifier in I/R process. The inhibition of H3K27me3 and its methyltransferase might be a potential strategy for myocardial I/R injury intervention.
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Affiliation(s)
- Le Ni
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Bowen Lin
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Yanping Zhang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Department of Vascular and Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Lingjie Hu
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Jianghua Lin
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Fengmei Fu
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Jinzhou Medical University, Liaoning, 121000, China
| | - Meiting Shen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Can Li
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Jinzhou Medical University, Liaoning, 121000, China
| | - Lei Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Jian Yang
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, 200092, China
| | - Dan Shi
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
| | - Yi-Han Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, 200092, China. .,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China. .,Research Units of Origin and Regulation of Heart Rhythm, Chinese Academy of Medical Sciences, Shanghai, 200092, China.
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15
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Application of 4D printing and AI to cardiovascular devices. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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16
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Li S, Dong Q, Peng X, Chen Y, Yang H, Xu W, Zhao Y, Xiao P, Zhou Y. Self-Healing Hyaluronic Acid Nanocomposite Hydrogels with Platelet-Rich Plasma Impregnated for Skin Regeneration. ACS NANO 2022; 16:11346-11359. [PMID: 35848721 DOI: 10.1021/acsnano.2c05069] [Citation(s) in RCA: 73] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The development of natural hydrogels with sufficient strength and self-healing capacity to accelerate skin wound healing is still challenging. Herein, a hyaluronic acid nanocomposite hydrogel was developed based on aldehyde-modified sodium hyaluronate (AHA), hydrazide-modified sodium hyaluronate (ADA), and aldehyde-modified cellulose nanocrystals (oxi-CNC). This hydrogel was formed in situ using dynamic acylhydrazone bonds via a double-barreled syringe. This hydrogel exhibited improved strength and excellent self-healing ability. Furthermore, platelet-rich plasma (PRP) can be loaded in the hyaluronic acid nanocomposite hydrogels (ADAC) via imine bonds formed between amino groups on PRP (e.g., fibrinogen) and aldehyde groups on AHA or oxi-CNC to promote skin wound healing synergistically. As expected, ADAC hydrogel could protect and release PRP sustainably. In animal experiments, ADAC@PRP hydrogel significantly promoted full-thickness skin wound healing through enhancing the formation of granulation tissue, facilitating collagen deposition, and accelerating re-epithelialization and neovascularization. This self-healing nanocomposite hydrogel with PRP loading appears to be a promising candidate for wound therapy.
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Affiliation(s)
- Shangzhi Li
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Qi Dong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medicine Sciences), Wuhan University, Wuhan 430071, People's Republic of China
| | - Xiaotong Peng
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medicine Sciences), Wuhan University, Wuhan 430071, People's Republic of China
| | - Hongjun Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Weilin Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Yanteng Zhao
- Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Pu Xiao
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Yingshan Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
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17
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Gan D, Cheng W, Ke L, Sun AR, Jia Q, Chen J, Xu Z, Xu J, Zhang P. Biphasic Effect of Pirfenidone on Angiogenesis. Front Pharmacol 2022; 12:804327. [PMID: 35069215 PMCID: PMC8766764 DOI: 10.3389/fphar.2021.804327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/20/2021] [Indexed: 12/19/2022] Open
Abstract
Pirfenidone (PFD), a synthetic arsenic compound, has been found to inhibit angiogenesis at high concentrations. However, the biphasic effects of different PFD concentrations on angiogenesis have not yet been elucidated, and the present study used an in vitro model to explore the mechanisms underlying this biphasic response. The effect of PFD on the initial angiogenesis of vascular endothelial cells was investigated through a Matrigel tube formation assay, and the impact of PFD on endothelial cell migration was evaluated through scratch and transwell migration experiments. Moreover, the expression of key migration cytokines, matrix metalloproteinase (MMP)-2 and MMP-9, was examined. Finally, the biphasic mechanism of PFD on angiogenesis was explored through cell signaling and apoptosis analyses. The results showed that 10–100 μM PFD has a significant and dose-dependent inhibitory effect on tube formation and migration, while 10 nM–1 μM PFD significantly promoted tube formation and migration, with 100 nM PFD having the strongest effect. Additionally, we found that a high concentration of PFD could significantly inhibit MMP-2 and MMP-9 expression, while low concentrations of PFD significantly promoted their expression. Finally, we found that high concentrations of PFD inhibited EA.hy926 cell tube formation by promoting apoptosis, while low concentrations of PFD promoted tube formation by increasing MMP-2 and MMP-9 protein expression predominantly via the EGFR/p-p38 pathway. Overall, PFD elicits a biphasic effect on angiogenesis through different mechanisms, could be used as a new potential drug for the treatment of vascular diseases.
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Affiliation(s)
- Donghao Gan
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,School of Medicine, The Southern University of Science and Technology, Shenzhen, China
| | - Wenxiang Cheng
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Liqing Ke
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Antonia RuJia Sun
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Qingyun Jia
- Second Ward of Trauma Surgery Department, Linyi People's Hospital, Linyi, China
| | - Jianhai Chen
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Zhanwang Xu
- Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Juan Xu
- Department of Stomatology, SijingHospital, Shanghai, China
| | - Peng Zhang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Shenzhen Engineering Research Center for Medical Bioactive Materials, Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
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18
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Zhao T, Zhang J, Gao X, Yuan D, Gu Z, Xu Y. Electrospun Nanofibers for Bone Regeneration: From Biomimetic Composition, Structure to Function. J Mater Chem B 2022; 10:6078-6106. [DOI: 10.1039/d2tb01182d] [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
In recent years, a variety of novel materials and processing technologies have been developed to prepare tissue engineering scaffolds for bone defect repair. Among them, nanofibers fabricated via electrospinning technology...
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19
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Fang Y, Sun W, Zhang T, Xiong Z. Recent advances on bioengineering approaches for fabrication of functional engineered cardiac pumps: A review. Biomaterials 2021; 280:121298. [PMID: 34864451 DOI: 10.1016/j.biomaterials.2021.121298] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 11/24/2021] [Accepted: 11/29/2021] [Indexed: 12/18/2022]
Abstract
The field of cardiac tissue engineering has advanced over the past decades; however, most research progress has been limited to engineered cardiac tissues (ECTs) at the microscale with minimal geometrical complexities such as 3D strips and patches. Although microscale ECTs are advantageous for drug screening applications because of their high-throughput and standardization characteristics, they have limited translational applications in heart repair and the in vitro modeling of cardiac function and diseases. Recently, researchers have made various attempts to construct engineered cardiac pumps (ECPs) such as chambered ventricles, recapitulating the geometrical complexity of the native heart. The transition from microscale ECTs to ECPs at a translatable scale would greatly accelerate their translational applications; however, researchers are confronted with several major hurdles, including geometrical reconstruction, vascularization, and functional maturation. Therefore, the objective of this paper is to review the recent advances on bioengineering approaches for fabrication of functional engineered cardiac pumps. We first review the bioengineering approaches to fabricate ECPs, and then emphasize the unmatched potential of 3D bioprinting techniques. We highlight key advances in bioprinting strategies with high cell density as researchers have begun to realize the critical role that the cell density of non-proliferative cardiomyocytes plays in the cell-cell interaction and functional contracting performance. We summarize the current approaches to engineering vasculatures both at micro- and meso-scales, crucial for the survival of thick cardiac tissues and ECPs. We showcase a variety of strategies developed to enable the functional maturation of cardiac tissues, mimicking the in vivo environment during cardiac development. By highlighting state-of-the-art research, this review offers personal perspectives on future opportunities and trends that may bring us closer to the promise of functional ECPs.
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Affiliation(s)
- Yongcong Fang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China
| | - Wei Sun
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China; Department of Mechanical Engineering, Drexel University, Philadelphia, PA, 19104, USA
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China.
| | - Zhuo Xiong
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China.
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20
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Lee HN, Choi YY, Kim JW, Lee YS, Choi JW, Kang T, Kim YK, Chung BG. Effect of biochemical and biomechanical factors on vascularization of kidney organoid-on-a-chip. NANO CONVERGENCE 2021; 8:35. [PMID: 34748091 PMCID: PMC8575721 DOI: 10.1186/s40580-021-00285-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 10/14/2021] [Indexed: 05/05/2023]
Abstract
Kidney organoids derived from the human pluripotent stem cells (hPSCs) recapitulating human kidney are the attractive tool for kidney regeneration, disease modeling, and drug screening. However, the kidney organoids cultured by static conditions have the limited vascular networks and immature nephron-like structures unlike human kidney. Here, we developed a kidney organoid-on-a-chip system providing fluidic flow mimicking shear stress with optimized extracellular matrix (ECM) conditions. We demonstrated that the kidney organoids cultured in our microfluidic system showed more matured podocytes and vascular structures as compared to the static culture condition. Additionally, the kidney organoids cultured in microfluidic systems showed higher sensitivity to nephrotoxic drugs as compared with those cultured in static conditions. We also demonstrated that the physiological flow played an important role in maintaining a number of physiological functions of kidney organoids. Therefore, our kidney organoid-on-a-chip system could provide an organoid culture platform for in vitro vascularization in formation of functional three-dimensional (3D) tissues.
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Affiliation(s)
- Han Na Lee
- Department of Biomedical Engineering, Sogang University, Seoul, South Korea
| | - Yoon Young Choi
- Institute of Integrated Biotechnology, Sogang University, Seoul, South Korea
| | - Jin Won Kim
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Young Seo Lee
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea
| | - Ji Wook Choi
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea
| | - Taewook Kang
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, South Korea
| | - Yong Kyun Kim
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, St. Vincent's Hospital, Suwon, South Korea.
| | - Bong Guen Chung
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea.
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21
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Angiogenic Effects and Crosstalk of Adipose-Derived Mesenchymal Stem/Stromal Cells and Their Extracellular Vesicles with Endothelial Cells. Int J Mol Sci 2021; 22:ijms221910890. [PMID: 34639228 PMCID: PMC8509224 DOI: 10.3390/ijms221910890] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 12/13/2022] Open
Abstract
Adipose-derived mesenchymal stem/stromal cells (ASCs) are an adult stem cell population able to self-renew and differentiate into numerous cell lineages. ASCs provide a promising future for therapeutic angiogenesis due to their ability to promote blood vessel formation. Specifically, their ability to differentiate into endothelial cells (ECs) and pericyte-like cells and to secrete angiogenesis-promoting growth factors and extracellular vesicles (EVs) makes them an ideal option in cell therapy and in regenerative medicine in conditions including tissue ischemia. In recent angiogenesis research, ASCs have often been co-cultured with an endothelial cell (EC) type in order to form mature vessel-like networks in specific culture conditions. In this review, we introduce co-culture systems and co-transplantation studies between ASCs and ECs. In co-cultures, the cells communicate via direct cell-cell contact or via paracrine signaling. Most often, ASCs are found in the perivascular niche lining the vessels, where they stabilize the vascular structures and express common pericyte surface proteins. In co-cultures, ASCs modulate endothelial cells and induce angiogenesis by promoting tube formation, partly via secretion of EVs. In vivo co-transplantation of ASCs and ECs showed improved formation of functional vessels over a single cell type transplantation. Adipose tissue as a cell source for both mesenchymal stem cells and ECs for co-transplantation serves as a prominent option for therapeutic angiogenesis and blood perfusion in vivo.
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22
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Fan F, Saha S, Hanjaya-Putra D. Biomimetic Hydrogels to Promote Wound Healing. Front Bioeng Biotechnol 2021; 9:718377. [PMID: 34616718 PMCID: PMC8488380 DOI: 10.3389/fbioe.2021.718377] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/13/2021] [Indexed: 01/13/2023] Open
Abstract
Wound healing is a common physiological process which consists of a sequence of molecular and cellular events that occur following the onset of a tissue lesion in order to reconstitute barrier between body and external environment. The inherent properties of hydrogels allow the damaged tissue to heal by supporting a hydrated environment which has long been explored in wound management to aid in autolytic debridement. However, chronic non-healing wounds require added therapeutic features that can be achieved by incorporation of biomolecules and supporting cells to promote faster and better healing outcomes. In recent decades, numerous hydrogels have been developed and modified to match the time scale for distinct stages of wound healing. This review will discuss the effects of various types of hydrogels on wound pathophysiology, as well as the ideal characteristics of hydrogels for wound healing, crosslinking mechanism, fabrication techniques and design considerations of hydrogel engineering. Finally, several challenges related to adopting hydrogels to promote wound healing and future perspectives are discussed.
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Affiliation(s)
- Fei Fan
- Bioengineering Graduate Program, Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, United States
| | - Sanjoy Saha
- Bioengineering Graduate Program, Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, United States
| | - Donny Hanjaya-Putra
- Bioengineering Graduate Program, Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, United States
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, United States
- Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN, United States
- Center for Stem Cells and Regenerative Medicine, University of Notre Dame, Notre Dame, IN, United States
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23
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Sun X, Wu J, Qiang B, Romagnuolo R, Gagliardi M, Keller G, Laflamme MA, Li RK, Nunes SS. Transplanted microvessels improve pluripotent stem cell-derived cardiomyocyte engraftment and cardiac function after infarction in rats. Sci Transl Med 2021; 12:12/562/eaax2992. [PMID: 32967972 DOI: 10.1126/scitranslmed.aax2992] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 05/06/2020] [Accepted: 07/28/2020] [Indexed: 12/14/2022]
Abstract
Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) offer an unprecedented opportunity to remuscularize infarcted human hearts. However, studies have shown that most hiPSC-CMs do not survive after transplantation into the ischemic myocardial environment, limiting their regenerative potential and clinical application. We established a method to improve hiPSC-CM survival by cotransplanting ready-made microvessels obtained from adipose tissue. Ready-made microvessels promoted a sixfold increase in hiPSC-CM survival and superior functional recovery when compared to hiPSC-CMs transplanted alone or cotransplanted with a suspension of dissociated endothelial cells in infarcted rat hearts. Microvessels showed unprecedented persistence and integration at both early (~80%, week 1) and late (~60%, week 4) time points, resulting in increased vessel density and graft perfusion, and improved hiPSC-CM maturation. These findings provide an approach to cell-based therapies for myocardial infarction, whereby incorporation of ready-made microvessels can improve functional outcomes in cell replacement therapies.
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Affiliation(s)
- Xuetao Sun
- Toronto General Hospital Research Institute, University Health Network, 101 College St., Toronto, ON M5G 1L7, Canada
| | - Jun Wu
- Division of Cardiovascular Surgery, Department of Surgery, University Health Network and University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Beiping Qiang
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Rocco Romagnuolo
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Mark Gagliardi
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Gordon Keller
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Michael A Laflamme
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G 1L7, Canada.,Peter Munk Cardiac Centre, University Health Network, Toronto, ON M5G 2N2, Canada.,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada.,Heart and Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, ON M5S 3H2, Canada
| | - Ren-Ke Li
- Toronto General Hospital Research Institute, University Health Network, 101 College St., Toronto, ON M5G 1L7, Canada.,Division of Cardiovascular Surgery, Department of Surgery, University Health Network and University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Sara S Nunes
- Toronto General Hospital Research Institute, University Health Network, 101 College St., Toronto, ON M5G 1L7, Canada. .,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada.,Heart and Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, ON M5S 3H2, Canada.,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
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24
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Zhou M, Chen X, Qiu Y, Chen H, Liu Y, Hou Y, Nie M, Liu X. Study of tissue engineered vascularised oral mucosa-like structures based on ACVM-0.25% HLC-I scaffold in vitro and in vivo. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2021; 48:1167-1177. [PMID: 32924619 DOI: 10.1080/21691401.2020.1817055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE To explore the feasibility of constructing tissue-engineered vascularised oral mucosa-like structures with rabbit ACVM-0.25% HLC-I scaffold and human gingival fibroblasts (HGFs), human gingival epithelial cells (HGECs) and vascular endothelial-like cells (VEC-like cells). METHOD Haematoxylin and Eosin (H&E) staining, immunohistochemical, immunofluorescence, 5-ethynyl-2'-deoxyuridine (EdU) staining and scanning electron microscope (SEM) were performed to detect the growth status of cells on the scaffold complex. After the scaffold complex implanted into nude mice for 28 days, tissues were harvested to observe the cell viability and morphology by the same method as above. Additionally, biomechanical experiments were used to assess the stability of composite scaffold. RESULTS Immunofluorescence and Immunohistochemistry showed positive expression of Vimentin, S100A4 and CK, and the induced VEC-like cells had the ability to form tubule-like structures. In vitro observation results showed that HGFs, HGECs and VEC-like had good compatibility with ACVM-0.25% HLC-I and could be layered and grow in the scaffold. After implanted, the mice had no immune rejection and no obvious scar repair on the body surface. The biomfechanical test results showed that the composite scaffold has strong stability. CONCLUSION The tissue-engineered vascularised complexes constructed by HGFs, HGECs, VEC-like cells and ACVM-0.25% HLC-I has good biocompatibility and considerable strength.
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Affiliation(s)
- Minyue Zhou
- Department of Periodontics & Oral Mucosal Diseases, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, Sichuan, China.,Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao Chen
- Department of Stomatology Technology, School of Medical Technology, Sichuan College of Traditional Medcine,Mianyang, China.,Department of Orthodontics, Mianyang Stomatological Hospital, Mianyang, China
| | - Yanling Qiu
- Department of Periodontics & Oral Mucosal Diseases, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, Sichuan, China.,Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University, Luzhou, Sichuan, China
| | - He Chen
- Department of Oral and Maxillofacial Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yaoqiang Liu
- Department of Oral and Maxillofacial Surgery, The Second hospital of Hebei Medical University, Shijiazhuang, China
| | - Yali Hou
- Department of Oral Pathology, School and Hospital of Stomatology, Hebei Medical University & Hebei Key Laboratory of Stomatology, Shijiazhuang, China
| | - Minhai Nie
- Department of Periodontics & Oral Mucosal Diseases, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, Sichuan, China.,Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University, Luzhou, Sichuan, China
| | - Xuqian Liu
- Department of Periodontics & Oral Mucosal Diseases, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou, Sichuan, China.,Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University, Luzhou, Sichuan, China
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25
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Wei S, Xu P, Yao Z, Cui X, Lei X, Li L, Dong Y, Zhu W, Guo R, Cheng B. A composite hydrogel with co-delivery of antimicrobial peptides and platelet-rich plasma to enhance healing of infected wounds in diabetes. Acta Biomater 2021; 124:205-218. [PMID: 33524559 DOI: 10.1016/j.actbio.2021.01.046] [Citation(s) in RCA: 114] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/26/2021] [Accepted: 01/26/2021] [Indexed: 01/05/2023]
Abstract
Diabetic wound healing remains a major challenge due to its vulnerability to bacterial infection, as well as the less vascularization and prolonged inflammatory phase. In this study, we developed a hydrogel system for the treatment of chronic infected wounds, which can regulate inflammatory (through the use of antimicrobial peptides) and enhance collagen deposition and angiogenesis (through the addition of platelet-rich plasma (PRP)). Based on the formation of Schiff base linkage, the ODEX/HA-AMP/PRP hydrogel was prepared by mixing oxidized dextran (ODEX), antimicrobial peptide-modified hyaluronic acid (HA-AMP) and PRP under physiological conditions, which exhibited obvious inhibition zones against three pathogenic bacterial strains (E. coli, S. aureus and P. aeruginosa) and slow release ability of antimicrobials and growth factors. Moreover, CCK-8, live/dead fluorescent staining and scratch test confirmed that ODEX/HA-AMP/PRP hydrogel could facilitate the proliferation and migration of L929 fibroblast cells. More importantly, in vivo experiments further demonstrated that the prepared hydrogels could significantly improve wound healing in a diabetic mouse infection by regulating inflammation, accelerating collagen deposition and angiogenesis. In addition, prepared hydrogel showed a significant antibacterial activity against S. aureus and P. aeruginosa, inhibited pro-inflammatory factors (TNF-α, IL-1β and IL-6), enhanced anti-inflammatory factors (TGF-β1) and vascular endothelial growth factor (VEGF) production. The findings of this study suggested that the composite hydrogel with AMP and PRP controlled release ability could be used as a promising candidate for chronic wound healing and infection-related wound healing.
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Affiliation(s)
- Shikun Wei
- The Graduate School of Southern Medical University, Guangzhou 510515, China; The Second People's Hospital of Panyu Guangzhou, Guangzhou 510120, China
| | - Pengcheng Xu
- The Graduate School of Southern Medical University, Guangzhou 510515, China
| | - Zexin Yao
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, China; The Guangdong Pharmaceutical University, Guangzhou, China
| | - Xiao Cui
- The Guangdong Provincial Hospital of Chinese Medicine, Guangzhou 510010, China
| | - Xiaoxuan Lei
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam, Amsterdam Movement Science, Amsterdam, The Netherlands
| | - Linlin Li
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, China
| | - Yunqing Dong
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, China
| | - Weidong Zhu
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, China
| | - Rui Guo
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Guangdong Provincial Engineering and Technological Research Center for Drug Carrier Development, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
| | - Biao Cheng
- The Graduate School of Southern Medical University, Guangzhou 510515, China; Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, China.
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26
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Moreira HR, Raftery RM, da Silva LP, Cerqueira MT, Reis RL, Marques AP, O'Brien FJ. In vitro vascularization of tissue engineered constructs by non-viral delivery of pro-angiogenic genes. Biomater Sci 2021; 9:2067-2081. [PMID: 33475111 DOI: 10.1039/d0bm01560a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Vascularization is still one of the major challenges in tissue engineering. In the context of tissue regeneration, the formation of capillary-like structures is often triggered by the addition of growth factors which are associated with high cost, bolus release and short half-life. As an alternative to growth factors, we hypothesized that delivering genes-encoding angiogenic growth factors to cells in a scaffold microenvironment would lead to a controlled release of angiogenic proteins promoting vascularization, simultaneously offering structural support for new matrix deposition. Two non-viral vectors, chitosan (Ch) and polyethyleneimine (PEI), were tested to deliver plasmids encoding for vascular endothelial growth factor (pVEGF) and fibroblast growth factor-2 (pFGF2) to human dermal fibroblasts (hDFbs). hDFbs were successfully transfected with both Ch and PEI, without compromising the metabolic activity. Despite low transfection efficiency, superior VEGF and FGF-2 transgene expression was attained when pVEGF was delivered with PEI and when pFGF2 was delivered with Ch, impacting the formation of capillary-like structures by primary human dermal microvascular endothelial cells (hDMECs). Moreover, in a 3D microenvironment, when PEI-pVEGF and Ch-FGF2 were delivered to hDFbs, cells produced functional pro-angiogenic proteins which induced faster formation of capillary-like structures that were retained in vitro for longer time in a Matrigel assay. The dual combination of the plasmids resulted in a downregulation of the production of VEGF and an upregulation of FGF-2. The number of capillary-like segments obtained with this system was inferior to the delivery of plasmids individually but superior to what was observed with the non-transfected cells. This work confirmed that cell-laden scaffolds containing transfected cells offer a novel, selective and alternative approach to impact the vascularization during tissue regeneration. Moreover, this work provides a new platform for pathophysiology studies, models of disease, culture systems and drug screening.
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Affiliation(s)
- Helena R Moreira
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, Barco, 4805-017 Guimarães, Portugal
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27
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A perfusable, multifunctional epicardial device improves cardiac function and tissue repair. Nat Med 2021; 27:480-490. [PMID: 33723455 DOI: 10.1038/s41591-021-01279-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 02/04/2021] [Indexed: 02/07/2023]
Abstract
Despite advances in technologies for cardiac repair after myocardial infarction (MI), new integrated therapeutic approaches still need to be developed. In this study, we designed a perfusable, multifunctional epicardial device (PerMed) consisting of a biodegradable elastic patch (BEP), permeable hierarchical microchannel networks (PHMs) and a system to enable delivery of therapeutic agents from a subcutaneously implanted pump. After its implantation into the epicardium, the BEP is designed to provide mechanical cues for ventricular remodeling, and the PHMs are designed to facilitate angiogenesis and allow for infiltration of reparative cells. In a rat model of MI, implantation of the PerMed improved ventricular function. When connected to a pump, the PerMed enabled targeted, sustained and stable release of platelet-derived growth factor-BB, amplifying the efficacy of cardiac repair as compared to the device without a pump. We also demonstrated the feasibility of minimally invasive surgical PerMed implantation in pigs, demonstrating its promise for clinical translation to treat heart disease.
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28
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Hancock PC, Koduru SV, Sun M, Ravnic DJ. Induction of scaffold angiogenesis by recipient vasculature precision micropuncture. Microvasc Res 2021; 134:104121. [PMID: 33309646 DOI: 10.1016/j.mvr.2020.104121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/12/2020] [Accepted: 12/08/2020] [Indexed: 12/01/2022]
Abstract
The success of engineered tissues continues to be limited by time to vascularization and perfusion. Here, we studied the effects of precision injury to a recipient macrovasculature in promoting neovessel formation in an adjacently placed scaffold. Segmental 60 μm diameter micropunctures (MP) were created in the recipient rat femoral artery and vein followed by coverage with a simple collagen scaffold. Scaffolds were harvested at 24, 48, 72, and 96 h post-implantation for detailed analysis. Those placed on top of an MP segment showed an earlier and more robust cellular infiltration, including both endothelial cells (CD31) and macrophages (F4/80), compared to internal non-micropunctured control limbs (p < 0.05). At the 96-hour timepoint, MP scaffolds demonstrated an increase in physiologic perfusion (p < 0.003) and a 2.5-fold increase in capillary network formation (p < 0.001). These were attributed to an overall upsurge in small vessel quantity. Furthermore, MP positioned scaffolds demonstrated significant increases in many modulators of angiogenesis, including VEGFR2 and Tie-2 despite a decrease in HIF-1α at all timepoints. This study highlights a novel microsurgical approach that can be used to rapidly vascularize or inosculate contiguously placed scaffolds and grafts. Thereby, offering an easily translatable route towards the creation of thicker and more clinically relevant engineered tissues.
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Affiliation(s)
- Patrick C Hancock
- Irvin S. Zubar Plastic Surgery Research Laboratory, Penn State College of Medicine, Hershey, PA, USA
| | - Srinivas V Koduru
- Irvin S. Zubar Plastic Surgery Research Laboratory, Penn State College of Medicine, Hershey, PA, USA; Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA; Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA
| | - Mingjie Sun
- Irvin S. Zubar Plastic Surgery Research Laboratory, Penn State College of Medicine, Hershey, PA, USA; Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Dino J Ravnic
- Irvin S. Zubar Plastic Surgery Research Laboratory, Penn State College of Medicine, Hershey, PA, USA; Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA.
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29
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Estermann M, Spiaggia G, Septiadi D, Dijkhoff IM, Drasler B, Petri-Fink A, Rothen-Rutishauser B. Design of Perfused PTFE Vessel-Like Constructs for In Vitro Applications. Macromol Biosci 2021; 21:e2100016. [PMID: 33624920 DOI: 10.1002/mabi.202100016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Indexed: 12/18/2022]
Abstract
Tissue models mimic the complex 3D structure of human tissues, which allows the study of pathologies and the development of new therapeutic strategies. The introduction of perfusion overcomes the diffusion limitation and enables the formation of larger tissue constructs. Furthermore, it provides the possibility to investigate the effects of hematogenously administered medications. In this study, the applicability of hydrophilic polytetrafluoroethylene (PTFE) membranes as vessel-like constructs for further use in perfused tissue models is evaluated. The presented approach allows the formation of stable and leakproof tubes with a mean diameter of 654.7 µm and a wall thickness of 84.2 µm. A polydimethylsiloxane (PDMS) chip acts as a perfusion bioreactor and provides sterile conditions. As proof of concept, endothelial cells adhere to the tube's wall, express vascular endothelial cadherin (VE-cadherin) between neighboring cells, and resist perfusion at a shear rate of 0.036 N m-2 for 48 h. Furthermore, the endothelial cell layer delays significantly the diffusion of fluorescently labeled molecules into the surrounding collagen matrix and leads to a twofold reduced diffusion velocity. This approach represents a cost-effective alternative to introduce stable vessel-like constructs into tissue models, which allows adapting the surrounding matrix to the tissue properties in vivo.
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Affiliation(s)
- Manuela Estermann
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Giovanni Spiaggia
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Dedy Septiadi
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Irini Magdelina Dijkhoff
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Barbara Drasler
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland.,Department of Chemistry, University of Fribourg, Chemin du Museé 9, Fribourg, 1700, Switzerland
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30
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Chen H, Zhang Y, Ni T, Ding P, Zan Y, Cai X, Zhang Y, Liu M, Pei R. Construction of a Silk Fibroin/Polyethylene Glycol Double Network Hydrogel with Co-Culture of HUVECs and UCMSCs for a Functional Vascular Network. ACS APPLIED BIO MATERIALS 2021; 4:406-419. [PMID: 35014292 DOI: 10.1021/acsabm.0c00353] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The success of complex tissue and internal organ reconstruction relies principally on the fabrication of a 3D vascular network, which guarantees the delivery of oxygen and nutrients in addition to the disposal of waste. In this study, a rapidly forming cell-encapsulated double network (DN) hydrogel is constructed by an ultrasonically activated silk fibroin network and bioorthogonal-mediated polyethylene glycol network. This DN hydrogel can be solidified within 10 s, and its mechanical property gradually increases to ∼20 kPa after 30 min. This work also demonstrates that coencapsulation of human umbilical vein endothelial cells (HUVECs) and umbilical cord-derived mesenchymal stem cells (UCMSCs) into the DN hydrogel can facilitate the formation of more mature vessels and complete the capillary network in comparison with the hydrogels encapsulated with a single cell type both in vitro and in vivo. Taking together, the DN hydrogel, combined with coencapsulation of HUVECs and UCMSCs, represents a strategy for the construction of a functional vascular network.
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Affiliation(s)
- Hong Chen
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Institut de Science des Matériaux de Mulhouse, IS2M-UMR CNRS 7361, UHA, 15, Rue Jean Starcky, Cedex 68057 Mulhouse, France
| | - Yajie Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Tianyu Ni
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Pi Ding
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yue Zan
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xue Cai
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou 215004, China
| | - Yiwei Zhang
- Institute for Interdisciplinary Research, Jianghan University, Wuhan 430056, China
| | - Min Liu
- Institute for Interdisciplinary Research, Jianghan University, Wuhan 430056, China
| | - Renjun Pei
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
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Majid QA, Fricker ATR, Gregory DA, Davidenko N, Hernandez Cruz O, Jabbour RJ, Owen TJ, Basnett P, Lukasiewicz B, Stevens M, Best S, Cameron R, Sinha S, Harding SE, Roy I. Natural Biomaterials for Cardiac Tissue Engineering: A Highly Biocompatible Solution. Front Cardiovasc Med 2020; 7:554597. [PMID: 33195451 PMCID: PMC7644890 DOI: 10.3389/fcvm.2020.554597] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/10/2020] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases (CVD) constitute a major fraction of the current major global diseases and lead to about 30% of the deaths, i.e., 17.9 million deaths per year. CVD include coronary artery disease (CAD), myocardial infarction (MI), arrhythmias, heart failure, heart valve diseases, congenital heart disease, and cardiomyopathy. Cardiac Tissue Engineering (CTE) aims to address these conditions, the overall goal being the efficient regeneration of diseased cardiac tissue using an ideal combination of biomaterials and cells. Various cells have thus far been utilized in pre-clinical studies for CTE. These include adult stem cell populations (mesenchymal stem cells) and pluripotent stem cells (including autologous human induced pluripotent stem cells or allogenic human embryonic stem cells) with the latter undergoing differentiation to form functional cardiac cells. The ideal biomaterial for cardiac tissue engineering needs to have suitable material properties with the ability to support efficient attachment, growth, and differentiation of the cardiac cells, leading to the formation of functional cardiac tissue. In this review, we have focused on the use of biomaterials of natural origin for CTE. Natural biomaterials are generally known to be highly biocompatible and in addition are sustainable in nature. We have focused on those that have been widely explored in CTE and describe the original work and the current state of art. These include fibrinogen (in the context of Engineered Heart Tissue, EHT), collagen, alginate, silk, and Polyhydroxyalkanoates (PHAs). Amongst these, fibrinogen, collagen, alginate, and silk are isolated from natural sources whereas PHAs are produced via bacterial fermentation. Overall, these biomaterials have proven to be highly promising, displaying robust biocompatibility and, when combined with cells, an ability to enhance post-MI cardiac function in pre-clinical models. As such, CTE has great potential for future clinical solutions and hence can lead to a considerable reduction in mortality rates due to CVD.
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Affiliation(s)
- Qasim A. Majid
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Annabelle T. R. Fricker
- Department of Material Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | - David A. Gregory
- Department of Material Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | - Natalia Davidenko
- Department of Materials Science and Metallurgy, Cambridge Centre for Medical Materials, University of Cambridge, Cambridge, United Kingdom
| | - Olivia Hernandez Cruz
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Department of Bioengineering, Department of Materials, IBME, Faculty of Engineering, Imperial College London, United Kingdom
| | - Richard J. Jabbour
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Thomas J. Owen
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Pooja Basnett
- Applied Biotechnology Research Group, School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
| | - Barbara Lukasiewicz
- Applied Biotechnology Research Group, School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, London, United Kingdom
| | - Molly Stevens
- Department of Bioengineering, Department of Materials, IBME, Faculty of Engineering, Imperial College London, United Kingdom
| | - Serena Best
- Department of Materials Science and Metallurgy, Cambridge Centre for Medical Materials, University of Cambridge, Cambridge, United Kingdom
| | - Ruth Cameron
- Department of Materials Science and Metallurgy, Cambridge Centre for Medical Materials, University of Cambridge, Cambridge, United Kingdom
| | - Sanjay Sinha
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Sian E. Harding
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Ipsita Roy
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Department of Material Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
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32
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Campbell KT, Silva EA. Biomaterial Based Strategies for Engineering New Lymphatic Vasculature. Adv Healthc Mater 2020; 9:e2000895. [PMID: 32734721 PMCID: PMC8985521 DOI: 10.1002/adhm.202000895] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/08/2020] [Indexed: 12/15/2022]
Abstract
The lymphatic system is essential for tissue regeneration and repair due to its pivotal role in resolving inflammation, immune cell surveillance, lipid transport, and maintaining tissue homeostasis. Loss of functional lymphatic vasculature is directly implicated in a variety of diseases, including lymphedema, obesity, and the progression of cardiovascular diseases. Strategies that stimulate the formation of new lymphatic vessels (lymphangiogenesis) could provide an appealing new approach to reverse the progression of these diseases. However, lymphangiogenesis is relatively understudied and stimulating therapeutic lymphangiogenesis faces challenges in precise control of lymphatic vessel formation. Biomaterial delivery systems could be used to unleash the therapeutic potential of lymphangiogenesis for a variety of tissue regenerative applications due to their ability to achieve precise spatial and temporal control of multiple therapeutics, direct tissue regeneration, and improve the survival of delivered cells. In this review, the authors begin by introducing therapeutic lymphangiogenesis as a target for tissue regeneration, then an overview of lymphatic vasculature will be presented followed by a description of the mechanisms responsible for promoting new lymphatic vessels. Importantly, this work will review and discuss current biomaterial applications for stimulating lymphangiogenesis. Finally, challenges and future directions for utilizing biomaterials for lymphangiogenic based treatments are considered.
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Affiliation(s)
- Kevin T Campbell
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, USA
| | - Eduardo A Silva
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, USA
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33
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Wang Z, Cui W. Two Sides of Electrospun Fiber in Promoting and Inhibiting Biomedical Processes. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000096] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Zhen Wang
- Shanghai Institute of Traumatology and Orthopaedics Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases Ruijin Hospital Shanghai Jiao Tong University School of Medicine 197 Ruijin 2nd Road Shanghai 200025 P. R. China
| | - Wenguo Cui
- Shanghai Institute of Traumatology and Orthopaedics Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases Ruijin Hospital Shanghai Jiao Tong University School of Medicine 197 Ruijin 2nd Road Shanghai 200025 P. R. China
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Abstract
Vascularization is a major hurdle in complex tissue and organ engineering. Tissues greater than 200 μm in diameter cannot rely on simple diffusion to obtain nutrients and remove waste. Therefore, an integrated vascular network is required for clinical translation of engineered tissues. Microvessels have been described as <150 μm in diameter, but clinically they are defined as <1 mm. With new advances in super microsurgery, vessels less than 1 mm can be anastomosed to the recipient circulation. However, this technical advancement still relies on the creation of a stable engineered microcirculation that is amenable to surgical manipulation and is readily perfusable. Microvascular engineering lays on the crossroads of microfabrication, microfluidics, and tissue engineering strategies that utilize various cellular constituents. Early research focused on vascularization by co-culture and cellular interactions, with the addition of angiogenic growth factors to promote vascular growth. Since then, multiple strategies have been utilized taking advantage of innovations in additive manufacturing, biomaterials, and cell biology. However, the anatomy and dynamics of native blood vessels has not been consistently replicated. Inconsistent results can be partially attributed to cell sourcing which remains an enigma for microvascular engineering. Variations of endothelial cells, endothelial progenitor cells, and stem cells have all been used for microvascular network fabrication along with various mural cells. As each source offers advantages and disadvantages, there continues to be a lack of consensus. Furthermore, discord may be attributed to incomplete understanding about cell isolation and characterization without considering the microvascular architecture of the desired tissue/organ.
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Lowenthal J, Gerecht S. If You Build It, They Will Come: Towards Self-Assembly of Functional Cardiovascular Tissues. Circ Res 2020; 127:225-228. [PMID: 32614715 DOI: 10.1161/circresaha.120.317111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Justin Lowenthal
- From the Medical Scientist Training Program, School of Medicine, Johns Hopkins University, Baltimore, MD (J.L.).,Institute for NanoBioTechnology, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (J.L., S.G.).,Department of Biomedical Engineering, School of Medicine and Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (J.L., S.G.)
| | - Sharon Gerecht
- Institute for NanoBioTechnology, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (J.L., S.G.).,Department of Biomedical Engineering, School of Medicine and Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (J.L., S.G.).,Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (S.G.).,Department of Oncology, School of Medicine, Johns Hopkins University, Baltimore, MD (S.G.).,Department of Materials Science and Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD (S.G.)
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Friguglietti J, Das S, Le P, Fraga D, Quintela M, Gazze SA, McPhail D, Gu J, Sabek O, Gaber AO, Francis LW, Zagozdzon-Wosik W, Merchant FA. Novel Silicon Titanium Diboride Micropatterned Substrates for Cellular Patterning. Biomaterials 2020; 244:119927. [DOI: 10.1016/j.biomaterials.2020.119927] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 02/17/2020] [Accepted: 02/26/2020] [Indexed: 12/13/2022]
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Cui H, Liu C, Esworthy T, Huang Y, Yu ZX, Zhou X, San H, Lee SJ, Hann SY, Boehm M, Mohiuddin M, Fisher JP, Zhang LG. 4D physiologically adaptable cardiac patch: A 4-month in vivo study for the treatment of myocardial infarction. SCIENCE ADVANCES 2020; 6:eabb5067. [PMID: 32637623 PMCID: PMC7314523 DOI: 10.1126/sciadv.abb5067] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/11/2020] [Indexed: 05/20/2023]
Abstract
There has been considerable progress in engineering cardiac scaffolds for the treatment of myocardial infarction (MI). However, it is still challenging to replicate the structural specificity and variability of cardiac tissues using traditional bioengineering approaches. In this study, a four-dimensional (4D) cardiac patch with physiological adaptability has been printed by beam-scanning stereolithography. By combining a unique 4D self-morphing capacity with expandable microstructure, the specific design has been shown to improve both the biomechanical properties of the patches themselves and the dynamic integration of the patch with the beating heart. Our results demonstrate improved vascularization and cardiomyocyte maturation in vitro under physiologically relevant mechanical stimulation, as well as increased cell engraftment and vascular supply in a murine chronic MI model. This work not only potentially provides an effective treatment method for MI but also contributes a cutting-edge methodology to enhance the structural design of complex tissues for organ regeneration.
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Affiliation(s)
- Haitao Cui
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Chengyu Liu
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Timothy Esworthy
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Yimin Huang
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Zu-xi Yu
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Xuan Zhou
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Hong San
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Se-jun Lee
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Sung Yun Hann
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Manfred Boehm
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Muhammad Mohiuddin
- Cardiac Xenotransplantation Program, Department of Surgery, University of Maryland, Baltimore, MD 21201, USA
| | - John P. Fisher
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Lijie Grace Zhang
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
- Department of Electrical and Computer Engineering, The George Washington University, Washington, DC 20052, USA
- Department of Biomedical Engineering, The George Washington University, Washington, DC 20052, USA
- Department of Medicine, The George Washington University, Washington, DC 20052, USA
- Corresponding author.
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Xing F, Xiang Z, Rommens PM, Ritz U. 3D Bioprinting for Vascularized Tissue-Engineered Bone Fabrication. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2278. [PMID: 32429135 PMCID: PMC7287611 DOI: 10.3390/ma13102278] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/26/2020] [Accepted: 04/08/2020] [Indexed: 02/05/2023]
Abstract
Vascularization in bone tissues is essential for the distribution of nutrients and oxygen, as well as the removal of waste products. Fabrication of tissue-engineered bone constructs with functional vascular networks has great potential for biomimicking nature bone tissue in vitro and enhancing bone regeneration in vivo. Over the past decades, many approaches have been applied to fabricate biomimetic vascularized tissue-engineered bone constructs. However, traditional tissue-engineered methods based on seeding cells into scaffolds are unable to control the spatial architecture and the encapsulated cell distribution precisely, which posed a significant challenge in constructing complex vascularized bone tissues with precise biomimetic properties. In recent years, as a pioneering technology, three-dimensional (3D) bioprinting technology has been applied to fabricate multiscale, biomimetic, multi-cellular tissues with a highly complex tissue microenvironment through layer-by-layer printing. This review discussed the application of 3D bioprinting technology in the vascularized tissue-engineered bone fabrication, where the current status and unique challenges were critically reviewed. Furthermore, the mechanisms of vascular formation, the process of 3D bioprinting, and the current development of bioink properties were also discussed.
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Affiliation(s)
- Fei Xing
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Mainz 55131, Germany; (F.X.); (P.M.R.)
- Department of Orthopaedics, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China;
- Trauma Medical Center of West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China
| | - Zhou Xiang
- Department of Orthopaedics, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China;
- Trauma Medical Center of West China Hospital, Sichuan University, No. 37 Guoxue Lane, Chengdu 610041, China
| | - Pol Maria Rommens
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Mainz 55131, Germany; (F.X.); (P.M.R.)
| | - Ulrike Ritz
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Mainz 55131, Germany; (F.X.); (P.M.R.)
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Injectable Therapeutic Organoids Using Sacrificial Hydrogels. iScience 2020; 23:101052. [PMID: 32353766 PMCID: PMC7191221 DOI: 10.1016/j.isci.2020.101052] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 03/11/2020] [Accepted: 04/03/2020] [Indexed: 12/28/2022] Open
Abstract
Organoids are becoming widespread in drug-screening technologies but have been used sparingly for cell therapy as current approaches for producing self-organized cell clusters lack scalability or reproducibility in size and cellular organization. We introduce a method of using hydrogels as sacrificial scaffolds, which allow cells to form self-organized clusters followed by gentle release, resulting in highly reproducible multicellular structures on a large scale. We demonstrated this strategy for endothelial cells and mesenchymal stem cells to self-organize into blood-vessel units, which were injected into mice, and rapidly formed perfusing vasculature. Moreover, in a mouse model of peripheral artery disease, intramuscular injections of blood-vessel units resulted in rapid restoration of vascular perfusion within seven days. As cell therapy transforms into a new class of therapeutic modality, this simple method—by making use of the dynamic nature of hydrogels—could offer high yields of self-organized multicellular aggregates with reproducible sizes and cellular architectures. Therapeutic, prevascularized organoids were formed in a sacrificial scaffold The organoids are highly reproducible and grown in a high-throughput manner The organoids rapidly formed perfusing vasculature in healthy mice Therapeutic potential was assessed in a mouse model of peripheral artery disease
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Nie J, Gao Q, Fu J, He Y. Grafting of 3D Bioprinting to In Vitro Drug Screening: A Review. Adv Healthc Mater 2020; 9:e1901773. [PMID: 32125787 DOI: 10.1002/adhm.201901773] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 01/09/2023]
Abstract
The inadequacy of conventional cell-monolayer planar cultures and animal experiments in predicting the toxicity and clinical efficacy of drug candidates has led to an imminent need for in vitro methods with the ability to better represent in vivo conditions and facilitate the systematic investigation of drug candidates. Recent advances in 3D bioprinting have prompted the precise manipulation of cells and biomaterials, rendering it a promising technology for the construction of in vitro tissue/organ models and drug screening devices. This review presents state-of-the-art in vitro methods used for preclinical drug screening and discusses the limitations of these methods. In particular, the significance of constructing 3D in vitro tissue/organ models and microfluidic analysis devices for drug screening is emphasized, and a focus is placed on the grafting process of 3D bioprinting technology to the construction of such models and devices. The in vitro methods for drug screening are generalized into three types: mini-tissue, organ-on-a-chip, and tissue/organ construct. The revolutionary process of the in vitro methods is demonstrated in detail, and relevant studies are listed as examples. Specifically, the tumor model is adopted as a precedent to illustrate the possible grafting of 3D bioprinting to antitumor drug screening.
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Affiliation(s)
- Jing Nie
- State Key Laboratory of Fluid Power and Mechatronic SystemsSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Qing Gao
- State Key Laboratory of Fluid Power and Mechatronic SystemsSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Jianzhong Fu
- State Key Laboratory of Fluid Power and Mechatronic SystemsSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic SystemsSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceSchool of Mechanical EngineeringZhejiang University Hangzhou 310027 China
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Gritsch L, Liverani L, Lovell C, Boccaccini AR. Polycaprolactone Electrospun Fiber Mats Prepared Using Benign Solvents: Blending with Copper(II)‐Chitosan Increases the Secretion of Vascular Endothelial Growth Factor in a Bone Marrow Stromal Cell Line. Macromol Biosci 2020; 20:e1900355. [DOI: 10.1002/mabi.201900355] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/08/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Lukas Gritsch
- Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Cauerstraße 6 91058 Erlangen Germany
- Lucideon Ltd. Queens Road, Penkhull Stoke‐on‐Trent Staffordshire ST4 7LQ UK
| | - Liliana Liverani
- Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Cauerstraße 6 91058 Erlangen Germany
| | - Christopher Lovell
- Lucideon Ltd. Queens Road, Penkhull Stoke‐on‐Trent Staffordshire ST4 7LQ UK
| | - Aldo R. Boccaccini
- Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Cauerstraße 6 91058 Erlangen Germany
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Shahabipour F, Ashammakhi N, Oskuee RK, Bonakdar S, Hoffman T, Shokrgozar MA, Khademhosseini A. Key components of engineering vascularized 3-dimensional bioprinted bone constructs. Transl Res 2020; 216:57-76. [PMID: 31526771 DOI: 10.1016/j.trsl.2019.08.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 08/28/2019] [Accepted: 08/30/2019] [Indexed: 12/16/2022]
Abstract
Vascularization has a pivotal role in engineering successful tissue constructs. However, it remains a major hurdle of bone tissue engineering, especially in clinical applications for the treatment of large bone defects. Development of vascularized and clinically-relevant engineered bone substitutes with sufficient blood supply capable of maintaining implant viability and supporting subsequent host tissue integration remains a major challenge. Since only cells that are 100-200 µm from blood vessels can receive oxygen through diffusion, engineered constructs that are thicker than 400 µm face a challenging oxygenation problem. Following implantation in vivo, spontaneous ingrowth of capillaries in thick engineered constructs is too slow. Thus, it is critical to provide optimal conditions to support vascularization in engineered bone constructs. To achieve this, an in-depth understanding of the mechanisms of angiogenesis and bone development is required. In addition, it is also important to mimic the physiological milieu of native bone to fabricate more successful vascularized bone constructs. Numerous applications of engineered vascularization with cell-and/or microfabrication-based approaches seek to meet these aims. Three-dimensional (3D) printing promises to create patient-specific bone constructs in the future. In this review, we discuss the major components of fabricating vascularized 3D bioprinted bone constructs, analyze their related challenges, and highlight promising future trends.
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Affiliation(s)
- Fahimeh Shahabipour
- National cell bank of Iran, Pasteur Institute of Iran, Tehran, Iran; Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California
| | - Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California
| | - Reza K Oskuee
- Targeted Drug Delivery Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shahin Bonakdar
- National cell bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Tyler Hoffman
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California
| | | | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California; Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California.
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Sharma D, Ross D, Wang G, Jia W, Kirkpatrick SJ, Zhao F. Upgrading prevascularization in tissue engineering: A review of strategies for promoting highly organized microvascular network formation. Acta Biomater 2019; 95:112-130. [PMID: 30878450 DOI: 10.1016/j.actbio.2019.03.016] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 02/20/2019] [Accepted: 03/06/2019] [Indexed: 01/05/2023]
Abstract
Functional and perfusable vascular network formation is critical to ensure the long-term survival and functionality of engineered tissues after their transplantation. Although several vascularization strategies have been reviewed in past, the significance of microvessel organization in three-dimensional (3D) scaffolds has been largely ignored. Advances in high-resolution microscopy and image processing have revealed that the majority of tissues including cardiac, skeletal muscle, bone, and skin contain highly organized microvessels that orient themselves to align with tissue architecture for optimum molecular exchange and functional performance. Here, we review strategies to develop highly organized and mature vascular networks in engineered tissues, with a focus on electromechanical stimulation, surface topography, micro scaffolding, surface-patterning, microfluidics and 3D printing. This review will provide researchers with state of the art approaches to engineer vascularized functional tissues for diverse applications. STATEMENT OF SIGNIFICANCE: Vascularization is one of the critical challenges facing tissue engineering. Recent technological advances have enabled researchers to develop microvascular networks in engineered tissues. Although far from translational applications, current vascularization strategies have shown promising outcomes. This review emphasizes the most recent technological advances and future challenges for developing organized microvascular networks in vitro. The next critical step is to achieve highly perfusable, dense, mature and organized microvascular networks representative of native tissues.
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Puluca N, Lee S, Doppler S, Münsterer A, Dreßen M, Krane M, Wu SM. Bioprinting Approaches to Engineering Vascularized 3D Cardiac Tissues. Curr Cardiol Rep 2019; 21:90. [PMID: 31352612 PMCID: PMC7340624 DOI: 10.1007/s11886-019-1179-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW 3D bioprinting technologies hold significant promise for the generation of engineered cardiac tissue and translational applications in medicine. To generate a clinically relevant sized tissue, the provisioning of a perfusable vascular network that provides nutrients to cells in the tissue is a major challenge. This review summarizes the recent vascularization strategies for engineering 3D cardiac tissues. RECENT FINDINGS Considerable steps towards the generation of macroscopic sizes for engineered cardiac tissue with efficient vascular networks have been made within the past few years. Achieving a compact tissue with enough cardiomyocytes to provide functionality remains a challenging task. Achieving perfusion in engineered constructs with media that contain oxygen and nutrients at a clinically relevant tissue sizes remains the next frontier in tissue engineering. The provisioning of a functional vasculature is necessary for maintaining a high cell viability and functionality in engineered cardiac tissues. Several recent studies have shown the ability to generate tissues up to a centimeter scale with a perfusable vascular network. Future challenges include improving cell density and tissue size. This requires the close collaboration of a multidisciplinary teams of investigators to overcome complex challenges in order to achieve success.
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Affiliation(s)
- Nazan Puluca
- Division of Cardiovascular Medicine, Department of Medicine; Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Room G1120A, Lokey Stem Cell Building, 265 Campus Drive, Stanford, CA, 94305, USA
- Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Insure (Institute for Translational Cardiac Surgery) Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Soah Lee
- Division of Cardiovascular Medicine, Department of Medicine; Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Room G1120A, Lokey Stem Cell Building, 265 Campus Drive, Stanford, CA, 94305, USA
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Stefanie Doppler
- Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Insure (Institute for Translational Cardiac Surgery) Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
| | - Andrea Münsterer
- Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Insure (Institute for Translational Cardiac Surgery) Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
| | - Martina Dreßen
- Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Insure (Institute for Translational Cardiac Surgery) Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
| | - Markus Krane
- Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- Insure (Institute for Translational Cardiac Surgery) Department of Cardiovascular Surgery, German Heart Center Munich, Technische Universität München, Munich, Germany
- German Heart Center Munich-DZHK Partner Site Munich Heart Alliance, Munich, Germany
| | - Sean M Wu
- Division of Cardiovascular Medicine, Department of Medicine; Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Room G1120A, Lokey Stem Cell Building, 265 Campus Drive, Stanford, CA, 94305, USA.
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA.
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Owen TJ, Harding SE. Multi-cellularity in cardiac tissue engineering, how close are we to native heart tissue? J Muscle Res Cell Motil 2019; 40:151-157. [PMID: 31222588 PMCID: PMC6726707 DOI: 10.1007/s10974-019-09528-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 06/15/2019] [Indexed: 12/25/2022]
Abstract
Tissue engineering is a complex field where the elements of biology and engineering are combined in an attempt to recapitulate the native environment of the body. Tissue engineering has shown one thing categorically; that the human body is extremely complex and it is truly a difficult task to generate this in the lab. There have been varied attempts at trying to generate a model for the heart with numerous cell types and different scaffolds or materials. The common underlying theme in these approaches is to combine together matrix material and different cell types to make something similar to heart tissue. Multi-cellularity is an essential aspect of the heart and therefore critical to any approach which would try to mimic such a complex tissue. The heart is made up of many cell types that combine to form complex structures like: deformable chambers, a tri-layered heart muscle, and vessels. Thus, in this review we will summarise how tissue engineering has progressed in modelling the heart and what gaps still exist in this dynamic field.
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Affiliation(s)
- Thomas J Owen
- National Heart and Lung Institute, Imperial College London Hammersmith Campus, Imperial Centre for Translational and Experimental Medicine, Du Cane Road, London, W12 0NN, UK.
| | - Sian E Harding
- National Heart and Lung Institute, Imperial College London Hammersmith Campus, Imperial Centre for Translational and Experimental Medicine, Du Cane Road, London, W12 0NN, UK
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da Silva LP, Reis RL, Correlo VM, Marques AP. Hydrogel-Based Strategies to Advance Therapies for Chronic Skin Wounds. Annu Rev Biomed Eng 2019; 21:145-169. [DOI: 10.1146/annurev-bioeng-060418-052422] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Chronic skin wounds are the leading cause of nontraumatic foot amputations worldwide and present a significant risk of morbidity and mortality due to the lack of efficient therapies. The intrinsic characteristics of hydrogels allow them to benefit cutaneous healing essentially by supporting a moist environment. This property has long been explored in wound management to aid in autolytic debridement. However, chronic wounds require additional therapeutic features that can be provided by a combination of hydrogels with biochemical mediators or cells, promoting faster and better healing. We survey hydrogel-based approaches with potential to improve the healing of chronic wounds by reviewing their effects as observed in preclinical models. Topics covered include strategies to ablate infection and resolve inflammation, the delivery of bioactive agents to accelerate healing, and tissue engineering approaches for skin regeneration. The article concludes by considering the relevance of treating chronic skin wounds using hydrogel-based strategies.
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Affiliation(s)
- Lucília P. da Silva
- 3B's Research Group, I3B's: Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, and Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal;, , ,
- ICVS/3B's: PT Government Associate Laboratory, 4710-057 Braga, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3B's: Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, and Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal;, , ,
- ICVS/3B's: PT Government Associate Laboratory, 4710-057 Braga, Guimarães, Portugal
- Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, 4805-017 Barco, Guimarães, Portugal
| | - Vitor M. Correlo
- 3B's Research Group, I3B's: Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, and Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal;, , ,
- ICVS/3B's: PT Government Associate Laboratory, 4710-057 Braga, Guimarães, Portugal
- Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, 4805-017 Barco, Guimarães, Portugal
| | - Alexandra P. Marques
- 3B's Research Group, I3B's: Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, and Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal;, , ,
- ICVS/3B's: PT Government Associate Laboratory, 4710-057 Braga, Guimarães, Portugal
- Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, 4805-017 Barco, Guimarães, Portugal
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Advanced drug delivery systems and artificial skin grafts for skin wound healing. Adv Drug Deliv Rev 2019; 146:209-239. [PMID: 30605737 DOI: 10.1016/j.addr.2018.12.014] [Citation(s) in RCA: 303] [Impact Index Per Article: 60.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 11/27/2018] [Accepted: 12/27/2018] [Indexed: 12/14/2022]
Abstract
Cutaneous injuries, especially chronic wounds, burns, and skin wound infection, require painstakingly long-term treatment with an immense financial burden to healthcare systems worldwide. However, clinical management of chronic wounds remains unsatisfactory in many cases. Various strategies including growth factor and gene delivery as well as cell therapy have been used to enhance the healing of non-healing wounds. Drug delivery systems across the nano, micro, and macroscales can extend half-life, improve bioavailability, optimize pharmacokinetics, and decrease dosing frequency of drugs and genes. Replacement of the damaged skin tissue with substitutes comprising cell-laden scaffold can also restore the barrier and regulatory functions of skin at the wound site. This review covers comprehensively the advanced treatment strategies to improve the quality of wound healing.
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Altalhi W, Hatkar R, Hoying JB, Aghazadeh Y, Nunes SS. Type I Diabetes Delays Perfusion and Engraftment of 3D Constructs by Impinging on Angiogenesis; Which can be Rescued by Hepatocyte Growth Factor Supplementation. Cell Mol Bioeng 2019; 12:443-454. [PMID: 31719926 DOI: 10.1007/s12195-019-00574-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 05/09/2019] [Indexed: 01/13/2023] Open
Abstract
Introduction The biggest bottleneck for cell-based regenerative therapy is the lack of a functional vasculature to support the grafts. This problem is exacerbated in diabetic patients, where vessel growth is inhibited. To address this issue, we aim to identify the causes of poor vascularization in 3D engineered tissues in diabetes and to reverse its negative effects. Methods We used 3D vascularized constructs composed of microvessel fragments containing all cells present in the microcirculation, embedded in collagen type I hydrogels. Constructs were either cultured in vitro or implanted subcutaneously in non-diabetic or in a type I diabetic (streptozotocin-injected) mouse model. We used qPCR, ELISA, immunostaining, FACs and co-culture assays to characterize the effect of diabetes in engineered constructs. Results We demonstrated in 3D vascularized constructs that perivascular cells secrete hepatocyte growth factor (HGF), driving microvessel sprouting. Blockage of HGF or HGF receptor signaling in 3D constructs prevented vessel sprouting. Moreover, HGF expression in 3D constructs in vivo is downregulated in diabetes; while no differences were found in HGF receptor, VEGF or VEGF receptor expression. Low HGF expression in diabetes delayed the inosculation of graft and host vessels, decreasing blood perfusion and preventing tissue engraftment. Supplementation of HGF in 3D constructs, restored vessel sprouting in a diabetic milieu. Conclusion We show for the first time that diabetes affects HGF secretion in microvessels, which in turn prevents the engraftment of engineered tissues. Exogenous supplementation of HGF, restores angiogenic growth in 3D constructs showing promise for application in cell-based regenerative therapies.
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Affiliation(s)
- Wafa Altalhi
- Toronto General Hospital Research Institute, University Health Network, 101 College St., MaRS, TMDT 3-904, Toronto, ON M5G 1L7 Canada.,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Present Address: Massachusetts General Hospital, 55 Fruit Street, Boston, USA
| | - Rupal Hatkar
- Toronto General Hospital Research Institute, University Health Network, 101 College St., MaRS, TMDT 3-904, Toronto, ON M5G 1L7 Canada
| | - James B Hoying
- Advanced Solutions Life Sciences, Manchester, NH 03101 USA
| | - Yasaman Aghazadeh
- Toronto General Hospital Research Institute, University Health Network, 101 College St., MaRS, TMDT 3-904, Toronto, ON M5G 1L7 Canada
| | - Sara S Nunes
- Toronto General Hospital Research Institute, University Health Network, 101 College St., MaRS, TMDT 3-904, Toronto, ON M5G 1L7 Canada.,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada.,Heart & Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, Canada
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Yang Y, Lei D, Huang S, Yang Q, Song B, Guo Y, Shen A, Yuan Z, Li S, Qing F, Ye X, You Z, Zhao Q. Elastic 3D-Printed Hybrid Polymeric Scaffold Improves Cardiac Remodeling after Myocardial Infarction. Adv Healthc Mater 2019; 8:e1900065. [PMID: 30941925 DOI: 10.1002/adhm.201900065] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/22/2019] [Indexed: 01/12/2023]
Abstract
Myocardial remodeling, including ventricular dilation and wall thinning, is an important pathological process caused by myocardial infarction (MI). To intervene in this pathological process, a new type of cardiac scaffold composed of a thermoset (poly-[glycerol sebacate], PGS) and a thermoplastic (poly-[ε-caprolactone], PCL) is directly printed by employing fused deposition modeling 3D-printing technology. The PGS-PCL scaffold possesses stacked construction with regular crisscrossed filaments and interconnected micropores and exhibits superior mechanical properties. In vitro studies demonstrate favorable biodegradability and biocompatibility of the PGS-PCL scaffold. When implanted onto the infarcted myocardium, this scaffold improves and preserves heart function. Furthermore, the scaffold improves several vital aspects of myocardial remodeling. On the morphological level, the scaffold reduces ventricular wall thinning and attenuated infarct size, and on the cellular level, it enhances vascular density and increases M2 macrophage infiltration, which might further contribute to the mitigated myocardial apoptosis rate. Moreover, the flexible PGS-PCL scaffold can be tailored to any desired shape, showing promise for annular-shaped restraint device application and meeting the demands for minimal invasive operation. Overall, this study demonstrates the therapeutic effects and versatile applications of a novel 3D-printed, biodegradable and biocompatible cardiac scaffold, which represents a promising strategy for improving myocardial remodeling after MI.
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Affiliation(s)
- Yang Yang
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
| | - Dong Lei
- College of ChemistryChemical Engineering and BiotechnologyDonghua University Shanghai 201620 P. R. China
| | - Shixing Huang
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
| | - Qi Yang
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
| | - Benyan Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsInternational Joint Laboratory for Advanced Fiber and Low‐Dimension MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Yifan Guo
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsInternational Joint Laboratory for Advanced Fiber and Low‐Dimension MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Ao Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsInternational Joint Laboratory for Advanced Fiber and Low‐Dimension MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Zhize Yuan
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
| | - Sen Li
- Department of Vascular SurgeryThe Second Affiliated Hospital of Zhejiang University School of MedicineZhejiang University School of Medicine Zhejiang 310009 P. R. China
| | - Feng‐Ling Qing
- College of ChemistryChemical Engineering and BiotechnologyDonghua University Shanghai 201620 P. R. China
| | - Xiaofeng Ye
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
| | - Zhengwei You
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsInternational Joint Laboratory for Advanced Fiber and Low‐Dimension MaterialsCollege of Materials Science and EngineeringDonghua University Shanghai 201620 P. R. China
| | - Qiang Zhao
- Department of Cardiac SurgeryRuijin HospitalShanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
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