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Besseling PJ, Szymczyk W, Teraa M, Toorop RJ, Wu DJ, Driessen RCH, Lichauco AM, Janssen HM, van de Kaa M, den Ouden K, de Bree PM, Fledderus JO, Bouten CVC, de Borst GJ, Dankers PYW, Verhaar MC. Off-the-Shelf Synthetic Biodegradable Grafts Transform In Situ into a Living Arteriovenous Fistula in a Large Animal Model. Adv Healthc Mater 2024:e2303888. [PMID: 38451476 DOI: 10.1002/adhm.202303888] [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: 11/07/2023] [Revised: 01/31/2024] [Indexed: 03/08/2024]
Abstract
Current vascular access options require frequent interventions. In situ tissue engineering (TE) may overcome these limitations by combining the initial success of synthetic grafts with long-term advantages of autologous vessels by using biodegradable grafts that transform into autologous vascular tissue at the site of implantation. Scaffolds (6 mm-Ø) made of supramolecular polycarbonate-bisurea (PC-BU), with a polycaprolactone (PCL) anti-kinking-coil, are implanted between the carotid artery and jugular vein in goats. A subset is bio-functionalized using bisurea-modified-Stromal cell-derived factor-1α (SDF1α) derived peptides and ePTFE grafts as controls. Grafts are explanted after 1 and 3 months, and evaluated for material degradation, tissue formation, compliance, and patency. At 3 months, the scaffold is resorbed and replaced by vascular neo-tissue, including elastin, contractile markers, and endothelial lining. No dilations, ruptures, or aneurysms are observed and grafts are successfully cannulated at termination. SDF-1α-peptide-biofunctionalization does not influence outcomes. Patency is lower in TE grafts (50%) compared to controls (100% patency), predominantly caused by intimal hyperplasia. Rapid remodeling of a synthetic, biodegradable vascular scaffold into a living, compliant arteriovenous fistula is demonstrated in a large animal model. Despite lower patency compared to ePTFE, transformation into autologous and compliant living tissue with self-healing capacity may have long-term advantages.
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Affiliation(s)
- Paul J Besseling
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, 3584 CX, the Netherlands
| | - Wojciech Szymczyk
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | - Martin Teraa
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, 3584 CX, the Netherlands
| | - Raechel J Toorop
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, 3584 CX, the Netherlands
| | - Dan Jing Wu
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | - Rob C H Driessen
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
- Mechanobiology Services Eindhoven, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | - Arturo M Lichauco
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | | | - Melanie van de Kaa
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
| | - Krista den Ouden
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
| | - Petra M de Bree
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
| | - Joost O Fledderus
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, 3584 CX, the Netherlands
| | - Patricia Y W Dankers
- Department of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5612 AZ, the Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht University, Utrecht, 3584 CX, the Netherlands
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Chernonosova V, Khlebnikova M, Popova V, Starostina E, Kiseleva E, Chelobanov B, Kvon R, Dmitrienko E, Laktionov P. Electrospun Scaffolds Enriched with Nanoparticle-Associated DNA: General Properties, DNA Release and Cell Transfection. Polymers (Basel) 2023; 15:3202. [PMID: 37571096 PMCID: PMC10421399 DOI: 10.3390/polym15153202] [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: 06/16/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Biomaterial-mediated, spatially localized gene delivery is important for the development of cell-populated scaffolds used in tissue engineering. Cells adhering to or penetrating into such a scaffold are to be transfected with a preloaded gene that induces the production of secreted proteins or cell reprogramming. In the present study, we produced silica nanoparticles-associated pDNA and electrospun scaffolds loaded with such nanoparticles, and studied the release of pDNA from scaffolds and cell-to-scaffold interactions in terms of cell viability and pDNA transfection efficacy. The pDNA-coated nanoparticles were characterized with dynamic light scattering and transmission electron microscopy. Particle sizes ranging from 56 to 78 nm were indicative of their potential for cell transfection. The scaffolds were characterized using scanning electron microscopy, X-ray photoelectron spectroscopy, stress-loading tests and interaction with HEK293T cells. It was found that the properties of materials and the pDNA released vary, depending on the scaffold's composition. The scaffolds loaded with pDNA-nanoparticles do not have a pronounced cytotoxic effect, and can be recommended for cell transfection. It was found that (pDNA-NPs) + PEI9-loaded scaffold demonstrates good potential for cell transfection. Thus, electrospun scaffolds suitable for the transfection of inhabiting cells are eligible for use in tissue engineering.
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Affiliation(s)
- Vera Chernonosova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
| | - Marianna Khlebnikova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
| | - Victoriya Popova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
| | - Ekaterina Starostina
- State Research Center of Virology and Biotechnology VECTOR, Rospotrebnadzor, 630559 Koltsovo, Russia;
| | - Elena Kiseleva
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia;
| | - Boris Chelobanov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
| | - Ren Kvon
- Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia;
| | - Elena Dmitrienko
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
| | - Pavel Laktionov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (M.K.); (V.P.); (B.C.); (E.D.)
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Zizhou R, Wang X, Houshyar S. Review of Polymeric Biomimetic Small-Diameter Vascular Grafts to Tackle Intimal Hyperplasia. ACS OMEGA 2022; 7:22125-22148. [PMID: 35811906 PMCID: PMC9260943 DOI: 10.1021/acsomega.2c01740] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
Small-diameter artificial vascular grafts (SDAVG) are used to bypass blood flow in arterial occlusive diseases such as coronary heart or peripheral arterial disease. However, SDAVGs are plagued by restenosis after a short while due to thrombosis and the thickening of the neointimal wall known as intimal hyperplasia (IH). The specific causes of IH have not yet been deduced; however, thrombosis formation due to bioincompatibility as well as a mismatch between the biomechanical properties of the SDAVG and the native artery has been attributed to its initiation. The main challenges that have been faced in fabricating SDAVGs are facilitating rapid re-endothelialization of the luminal surface of the SDAVG and replicating the complex viscoelastic behavior of the arteries. Recent strategies to combat IH formation have been mostly based on imitating the natural structure and function of the native artery (biomimicry). Thus, most recently, developed grafts contain a multilayered structure with a designated function for each layer. This paper reviews the current polymeric, biomimetic SDAVGs in preventing the formation of IH. The materials used in fabrication, challenges, and strategies employed to tackle IH are summarized and discussed, and we focus on the multilayered structure of current SDAVGs. Additionally, the future aspects in this area are pointed out for researchers to consider in their endeavor.
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Affiliation(s)
- Rumbidzai Zizhou
- Center
for Materials Innovation and Future Fashion (CMIFF), School of Fashion
and Textiles, RMIT University, Brunswick 3056, Australia
| | - Xin Wang
- Center
for Materials Innovation and Future Fashion (CMIFF), School of Fashion
and Textiles, RMIT University, Brunswick 3056, Australia
| | - Shadi Houshyar
- School
of Engineering, RMIT University, Melbourne 3000, Australia
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Mao H, Zhang Y, Wang L, Zhou A, Zhang S, Cao J, Xia H. Cyclopeptide-β-cyclodextrin/γ-glycerol methoxytrimethoxysilane film for potential vascular tissue engineering scaffolds. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1213-1230. [PMID: 35240948 DOI: 10.1080/09205063.2022.2046985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 02/20/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
The mortality rate of cardiovascular diseases is the highest among all mortality rates worldwide. Allotransplantation and autotransplantation are limited by rejection reaction and availability. Tissue engineering provides new avenues for the treatment of cardiovascular diseases. However, the current small-diameter (<6 mm) vascular tissue-engineered scaffolds have many challenges, including thrombosis, stenosis, and infection. Small-diameter vascular scaffolds have structural and compositional requirements such as biocompatibility, porosity, and appropriate phase separation. We used liquid-crystal cyclopeptide(CYC)to modify β-cyclodextrin and mixed it with γ-glycerol methoxytrimethoxysilane (GPTMS) to prepare CYC-β-cyclodextrin (βCD)/GPTMS film by sol-gel. The chemical structure of CYC-βCD was confirmed by Fourier transform infrared spectroscopy and 1H-nuclear magnetic resonance. The chemical characterization of CYC-βCD/GPTMS film was performed by differential scanning calorimetry, X-ray diffraction, and small-angle X-ray scattering. The surface morphology and phase separation microstructure of the film were determined by scanning electron microscopy and atomic force microscopy, and the image of polarizing microscopy showed the liquid-crystal structure of the film. Cell culture experiments showed that CYC-βCD/GPTMS film had good cytocompatibility and induced growth and proliferation of cells. These results indicated the potential applications of CYC-βCD/GPTMS film in tissue engineering scaffolds.
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Affiliation(s)
- Heyi Mao
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Yidan Zhang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Lei Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Anduo Zhou
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Shanfeng Zhang
- School of Basic Medical Science, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | | | - Huang Xia
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
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