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Cheng KC, Theato P, Hsu SH. 3D-bioprintable endothelial cell-laden sacrificial ink for fabrication of microvessel networks. Biofabrication 2023; 15:045026. [PMID: 37722376 DOI: 10.1088/1758-5090/acfac1] [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: 08/28/2023] [Accepted: 09/18/2023] [Indexed: 09/20/2023]
Abstract
Although various research efforts have been made to produce a vascular-like network structure as scaffolds for tissue engineering, there are still several limitations. Meanwhile, no articles have been published on the direct embedding of cells within a glucose sensitive sacrificial hydrogel followed by three-dimensional (3D) bioprinting to fabricate vascular structures. In this study, the hydrogel composed of reversibly crosslinked poly(ethylene glycol) diacrylate and dithiothreitol with borax and branched polyethylenimine was used as the sacrificial hydrogel to fabricate vascular-like network structure. The component proportion ratio of the sacrificial hydrogel was optimized to achieve proper self-healing, injectable, glucose-sensitive, and 3D printing properties through the balance of boronate ester bond, hydrogen bond, and steric hinderance effect. The endothelial cells (ECs) can be directly embedded into sacrificial hydrogel and then bioprinted through a 110μm nozzle into the neural stem cell (NSC)-laden non-sacrificial hydrogel, forming the customized EC-laden vascularized microchannel (one-step). The EC-laden sacrificial hydrogel was dissolved immediately in the medium while cells kept growing. The ECs proliferated well within the vascularized microchannel structure and were able to migrate to the non-sacrificial hydrogel in one day. ECs and NSCs interacted around the vascularized microchannel to form capillary-like structure and vascular-like structure expressing CD31 in 14 d. The sacrificial hydrogel conveniently prepared from commercially available chemicals through simple mixing can be used in 3D bioprinting to create customized and complex but easily removable vascularized structure for tissue engineering applications.
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Affiliation(s)
- Kun-Chih Cheng
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
| | - Patrick Theato
- Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesser Str. 18, D-76131 Karlsruhe, Germany
- Institute for Biological Interfaces III (IBG3), Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, R.O.C
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2
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Sakaguchi K, Tobe Y, Yang J, Tanaka RI, Yamanaka K, Ono J, Shimizu T. Bioengineering of a scaffold-less three-dimensional tissue using net mould. Biofabrication 2021; 13. [PMID: 34488209 DOI: 10.1088/1758-5090/ac23e3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 09/06/2021] [Indexed: 11/11/2022]
Abstract
Tissue engineering has attracted attention worldwide because of its application in regenerative medicine, drug screening, and cultured meat. Numerous biofabrication techniques for producing tissues have been developed, including various scaffold and printing methods. Here, we have proposed a novel tissue engineering method using a net metal mould without the use of a scaffold. Briefly, normal human dermal fibroblasts seeded on a dimple plate were subjected to static culture technique for several days to form spheroids. Spheroids of diameter ⩾200μm were poured into a net-shaped mould of gap ⩽100μm and subjected to shake-cultivation for several weeks, facilitating their fusion to form a three-dimensional (3D) tissue. Through this study, we successfully constructed a scaffold-free 3D tissue having strength that can be easily manipulated, which was difficult to construct using conventional tissue engineering methods. We also investigated the viability of the 3D tissue and found that the condition of the tissues was completely different depending on the culture media used. Collectively, this method allows scaffold-free culture of 3D tissues of unprecedented thickness, and may contribute largely to next-generation tissue engineering products.
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Affiliation(s)
- Katsuhisa Sakaguchi
- Department of Integrative Bioscience and Biomedical Engineering, Graduate School of Advanced Science and Engineering, TWIns, Waseda University, 2-2 Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Yusuke Tobe
- Department of Integrative Bioscience and Biomedical Engineering, Graduate School of Advanced Science and Engineering, TWIns, Waseda University, 2-2 Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Jiayue Yang
- Department of Integrative Bioscience and Biomedical Engineering, Graduate School of Advanced Science and Engineering, TWIns, Waseda University, 2-2 Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Ryu-Ichiro Tanaka
- Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Kumiko Yamanaka
- Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Jiro Ono
- TissueByNet Corporation, 24-27-804 Iwafuchi-machi, Kita-ku, Tokyo 115-0041, Japan
| | - Tatsuya Shimizu
- Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
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3
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Galván NTN, Paulsen SJ, Kinstlinger IS, Marini JC, Didelija IC, Yoeli D, Grigoryan B, Miller JS. Blood Flow Within Bioengineered 3D Printed Vascular Constructs Using the Porcine Model. Front Cardiovasc Med 2021; 8:629313. [PMID: 34164438 PMCID: PMC8215112 DOI: 10.3389/fcvm.2021.629313] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 04/26/2021] [Indexed: 11/13/2022] Open
Abstract
Recently developed biofabrication technologies are enabling the production of three-dimensional engineered tissues containing vascular networks which can deliver oxygen and nutrients across large tissue volumes. Tissues at this scale show promise for eventual regenerative medicine applications; however, the implantation and integration of these constructs in vivo remains poorly studied. Here, we introduce a surgical model for implantation and direct in-line vascular connection of 3D printed hydrogels in a porcine arteriovenous shunt configuration. Utilizing perfusable poly(ethylene glycol) diacrylate (PEGDA) hydrogels fabricated through projection stereolithography, we first optimized the implantation procedure in deceased piglets. Subsequently, we utilized the arteriovenous shunt model to evaluate blood flow through implanted PEGDA hydrogels in non-survivable studies. Connections between the host femoral artery and vein were robust and the patterned vascular channels withstood arterial pressure, permitting blood flow for 6 h. Our study demonstrates rapid prototyping of a biocompatible and perfusable hydrogel that can be implanted in vivo as a porcine arteriovenous shunt, suggesting a viable surgical approach for in-line implantation of bioprinted tissues, along with design considerations for future in vivo studies. We further envision that this surgical model may be broadly applicable for assessing whether biomaterials optimized for 3D printing and cell function can also withstand vascular cannulation and arterial blood pressure. This provides a crucial step toward generated transplantable engineered organs, demonstrating successful implantation of engineered tissues within host vasculature.
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Affiliation(s)
- Nhu Thao N Galván
- Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | - Samantha J Paulsen
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Ian S Kinstlinger
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Juan C Marini
- Department of Pediatrics-Critical Care, Baylor College of Medicine, Houston, TX, United States
| | - Inka C Didelija
- Department of Pediatrics-Critical Care, Baylor College of Medicine, Houston, TX, United States
| | - Dor Yoeli
- Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | - Bagrat Grigoryan
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Jordan S Miller
- Department of Bioengineering, Rice University, Houston, TX, United States
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4
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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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Morrison KA, Weinreb RH, Dong X, Toyoda Y, Jin JL, Bender R, Mukherjee S, Spector JA. Facilitated self-assembly of a prevascularized dermal/epidermal collagen scaffold. Regen Med 2020; 15:2273-2283. [PMID: 33325258 DOI: 10.2217/rme-2020-0070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Introduction: Resurfacing complex full thickness wounds requires free tissue transfer which creates donor site morbidity. We describe a method to fabricate a skin flap equivalent with a hierarchical microvascular network. Materials & methods: We fabricated a flap of skin-like tissue containing a hierarchical vascular network by sacrificing Pluronic® F127 macrofibers and interwoven microfibers within collagen encapsulating human pericytes and fibroblasts. Channels were seeded with smooth muscle and endothelial cells. Constructs were topically seeded with keratinocytes. Results: After 28 days in culture, multiphoton microscopy revealed a hierarchical interconnected network of macro- and micro-vessels; larger vessels (>100 μm) were lined with a monolayer endothelial neointima and a subendothelial smooth muscle neomedia. Neoangiogenic sprouts formed in the collagen protodermis and pericytes self-assembled around both fabricated vessels and neoangiogenic sprouts. Conclusion: We fabricated a prevascularized scaffold containing a hierarchical 3D network of interconnected macro- and microchannels within a collagen protodermis subjacent to an overlying protoepidermis with the potential for recipient microvascular anastomosis.
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Affiliation(s)
- Kerry A Morrison
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA.,Plastic Surgery Resident Physician affiliated with the Hansjorg Wyss Department of Plastic Surgery, New York University Langone Medical Center, New York, NY 10016, USA
| | - Ross H Weinreb
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA
| | - Xue Dong
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA
| | - Yoshiko Toyoda
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA.,Plastic Surgery Resident Physician affiliated with the Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Julia L Jin
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA
| | - Ryan Bender
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA
| | - Sushmita Mukherjee
- Department of Biochemistry, Weill Cornell Medical College, New York, NY 14850, USA
| | - Jason A Spector
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10021, USA.,Nancy E. & Peter C. Meinig School of Bioengineering, Cornell University, Ithaca, NY 14850, USA
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6
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Qi Y, Zou T, Dissanayaka WL, Wong HM, Bertassoni LE, Zhang C. Fabrication of Tapered Fluidic Microchannels Conducive to Angiogenic Sprouting within Gelatin Methacryloyl Hydrogels. J Endod 2020; 47:52-61. [PMID: 33045266 DOI: 10.1016/j.joen.2020.08.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/10/2020] [Accepted: 08/13/2020] [Indexed: 12/23/2022]
Abstract
INTRODUCTION The transplantation of stem cells/tissue constructs into root canal space is a promising strategy for regenerating lost pulp tissue. However, the root canal system, which is cone shaped with a taper from the larger coronal end to the smaller apical end, limits the vascular supply and, therefore, the regenerative capacity. The current study aimed to fabricate built-in microchannels with different tapers to explore various approaches to endothelialize these microchannels. METHODS The fluidic microchannels with varying tapers (parallel, 0.04, and 0.06) were fabricated within gelatin methacryloyl (GelMA) hydrogel (with or without stem cell from the apical papilla [SCAP] encapsulation) of different concentrations (5%, 7.5%, and 10% [w/v]). Green fluorescent protein-expressing human umbilical vein endothelial cells (HUVECs-GFP) were seeded alone or with SCAPs in coculture into these microchannels. Angiogenic sprouting was assessed by fluorescence and a confocal microscope and ImageJ software (National Institutes of Health, Bethesda, MD). Immunostaining was conducted to illustrate monolayer formation. Data were statistically analyzed by 1-way/2-way analysis of variance. RESULTS HUVEC-only inoculation formed an endothelial monolayer inside the microchannel without angiogenic sprouting. HUVECs-GFP/SCAPs cocultured at a 1:1 ratio produced the longest sprouting compared with the other 3 ratios. The average length of the sprouting in the 0.04 taper microchannel was significantly longer compared with that in the parallel and 0.06 taper microchannels. Significant differences in HUVEC-GFP sprouting were observed in 5% GelMA hydrogel. Encapsulation of SCAPs within hydrogel further stimulated the sprouting of HUVECs. CONCLUSIONS The coculture of SCAPs and HUVECs-GFP at a ratio of 1:1 in 0.04 taper fluidic microchannels fabricated with 5% (w/v) GelMA hydrogel with SCAPs encapsulated was found to be the optimal condition to enhance angiogenesis inside tapered microchannels.
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Affiliation(s)
- Yubingqing Qi
- Department of Endodontology, Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Ting Zou
- Department of Endodontology, Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Waruna Lakmal Dissanayaka
- Department of Endodontology, Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Hai Ming Wong
- Department of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Luiz E Bertassoni
- Department of Biomaterials and Biomechanics, School of Dentistry Center for Regenerative Medicine, Oregon Health and Science University, Portland, Oregon
| | - Chengfei Zhang
- Department of Endodontology, Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Pokfulam, Hong Kong, China.
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7
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Colazo JM, Evans BC, Farinas AF, Al-Kassis S, Duvall CL, Thayer WP. Applied Bioengineering in Tissue Reconstruction, Replacement, and Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2020; 25:259-290. [PMID: 30896342 DOI: 10.1089/ten.teb.2018.0325] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
IMPACT STATEMENT The use of autologous tissue in the reconstruction of tissue defects has been the gold standard. However, current standards still face many limitations and complications. Improving patient outcomes and quality of life by addressing these barriers remain imperative. This article provides historical perspective, covers the major limitations of current standards of care, and reviews recent advances and future prospects in applied bioengineering in the context of tissue reconstruction, replacement, and regeneration.
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Affiliation(s)
- Juan M Colazo
- 1Vanderbilt University School of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.,2Medical Scientist Training Program, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Brian C Evans
- 3Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Angel F Farinas
- 4Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Salam Al-Kassis
- 4Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Craig L Duvall
- 3Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Wesley P Thayer
- 3Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee.,4Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
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Esser TU, Roshanbinfar K, Engel FB. Promoting vascularization for tissue engineering constructs: current strategies focusing on HIF-regulating scaffolds. Expert Opin Biol Ther 2019; 19:105-118. [PMID: 30570406 DOI: 10.1080/14712598.2019.1561855] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Vascularization remains one of the greatest yet unmet challenges in tissue engineering. When engineered tissues are scaled up to therapeutically relevant dimensions, their demand of oxygen and nutrients can no longer be met by diffusion. Thus, there is a need for perfusable vascular structures. Hypoxia-inducible factors (HIF) act as transcriptional oxygen sensors and regulate a multitude of genes involved in adaptive processes to hypoxia, including angiogenesis. Thus, targeting HIFs is a promising strategy to induce vascularization of engineered tissues. AREAS COVERED Here we review current vascularization strategies and summarize the present knowledge regarding activation of HIF signaling by ions, iron chelating agents, α-Ketoglutarate (αKG) analogues, and the lipid-lowering drug simvastatin to induce angiogenesis. Specifically, we focus on the incorporation of HIF-activating agents into biomaterials and scaffolds for controlled release. EXPERT OPINION Vascularization of tissue constructs through activation of upstream regulators of angiogenesis offers advantages but also suffers from drawbacks. HIFs can induce a complete angiogenic program; however, this program appears to be too slow to vascularize larger constructs before cell death occurs. It is therefore crucial that HIF-activation is combined with cell protective strategies and prevascularization techniques to obtain fully vascularized, vital tissues of therapeutically relevant dimensions.
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Affiliation(s)
- Tilman U Esser
- a Experimental Renal and Cardiovascular Research, Department of Nephropathology , Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) , Erlangen , Germany
| | - Kaveh Roshanbinfar
- a Experimental Renal and Cardiovascular Research, Department of Nephropathology , Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) , Erlangen , Germany
| | - Felix B Engel
- a Experimental Renal and Cardiovascular Research, Department of Nephropathology , Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) , Erlangen , Germany
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9
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Ye K, Kaplan DL, Bao G, Bettinger C, Forgacs G, Dong C, Khademhosseini A, Ke Y, Leong K, Sambanis A, Sun W, Yin P. Advanced Cell and Tissue Biomanufacturing. ACS Biomater Sci Eng 2018; 4:2292-2307. [PMID: 33435095 DOI: 10.1021/acsbiomaterials.8b00650] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
This position paper assesses state-of-the-art advanced biomanufacturing and identifies paths forward to advance this emerging field in biotechnology and biomedical engineering, including new research opportunities and translational and corporate activities. The vision for the field is to see advanced biomanufacturing emerge as a discipline in academic and industrial communities as well as a technological opportunity to spur research and industry growth. To navigate this vision, the paths to move forward and to identify major barriers were a focal point of discussions at a National Science Foundation-sponsored workshop focused on the topic. Some of the major needs include but are not limited to the integration of specific scientific and engineering disciplines and guidance from regulatory agencies, infrastructure requirements, and strategies for reliable systems integration. Some of the recommendations, major targets, and opportunities were also outlined, including some "grand challenges" to spur interest and progress in the field based on the participants at the workshop. Many of these recommendations have been expanded, materialized, and adopted by the field. For instance, the formation of an initial collaboration network in the community was established. This report provides suggestions for the opportunities and challenges to help move the field of advanced biomanufacturing forward. The field is in the early stages of effecting science and technology in biomanufacturing with a bright and important future impact evident based on the rapid scientific advances in recent years and industry progress.
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Affiliation(s)
- Kaiming Ye
- Department of Biomedical Engineering, Center of Biomanufacturing for Regenerative Medicine, Watson School of Engineering and Applied Science, Binghamton University, State University of New York (SUNY), Binghamton, New York 13902, United States
| | - David L Kaplan
- Department of Biomedical Engineering, School of Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Gang Bao
- Department of Bioengineering, School of Engineering, Rice University, Houston, Texas 77005, United States
| | - Christopher Bettinger
- Department of Materials Science and Engineering, College of Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Gabor Forgacs
- Department of Bioengineering, College of Engineering, University of Missouri, Columbia, Missouri 65211, United States.,Modern Meadow, Inc., 340 Kingsland Street, Nutley, New Jersey 07110, United States
| | - Cheng Dong
- Department of Biomedical Engineering, College of Engineering, Penn State University, University Park, Pennsylvania 16802, United States
| | - Ali Khademhosseini
- Department of Bioengineering, University of California, Los Angeles, California 90095, United States
| | - Yonggang Ke
- Department of Biomedical Engineering, College of Engineering, Georgia Tech, Atlanta, Georgia 30332, United States
| | - Kam Leong
- Department of Biomedical Engineering, School of Engineering and Applied Science, Columbia University, New York City, New York 10027, United States
| | | | - Wei Sun
- Department of Mechanical Engineering and Mechanics, College of Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States.,Department of Mechanical Engineering, Tsinghua University, Beijing, China
| | - Peng Yin
- Department of Systems Biology, Harvard Medical School, Cambridge, Massachusetts 02138, United States
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10
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A 3-Dimensional Biomimetic Platform to Interrogate the Safety of Autologous Fat Transfer in the Setting of Breast Cancer. Ann Plast Surg 2018; 80:S223-S228. [DOI: 10.1097/sap.0000000000001364] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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11
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A Novel Three-Dimensional Platform to Investigate Neoangiogenesis, Transendothelial Migration, and Metastasis of MDAMB-231 Breast Cancer Cells. Plast Reconstr Surg 2017; 138:472e-482e. [PMID: 27556622 DOI: 10.1097/prs.0000000000002470] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND A crucial step in the progression of cancer involves the transendothelial migration of tumor cells into the bloodstream and invasion at distant sites. Most in vitro models of malignant cell behavior do not account for the presence of and interaction with vascular cells. Three-dimensional platforms to further explore the factors responsible for metastatic cellular behavior are under intensive investigation. METHODS Hydrogels with encapsulated MDAMB-231 breast cancer cells were fabricated with a central microchannel. The microchannel was lined with a co-culture of human umbilical vein endothelial cells and human aortic smooth muscle cells. For comparison, co-culture-seeded microchannels without breast cancer cells (MDAMB-negative) were fabricated. RESULTS After 7 and 14 days, the endoluminal lining of encapsulated MDAMB-231 co-culture-seeded microchannels demonstrated aberrant endothelial cell and smooth muscle cell organization and breast cancer cell transendothelial migration. MDAMB-231 cells performed matrix remodeling, forming tumor aggregates within the bulk, migrating preferentially toward the hydrogel "neovessel." In contrast, MDAMB-negative constructs demonstrated maintenance of an intact endoluminal lining composed of endothelial cells and smooth muscle cells that organized into discrete layers. Furthermore, the thicknesses of the endoluminal lining of MDAMB-negative constructs were significantly greater than encapsulated MDAMB-231 co-culture-seeded constructs after 7 and 14 days (p = 0.012 and p < 0.001, respectively). CONCLUSION The authors have created a powerful tool that may have tremendous impact on furthering our understanding of cancer recurrence and metastasis, shedding light on these poorly understood phenomena.
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12
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Li X, Xu J, Nicolescu CT, Marinelli JT, Tien J. Generation, Endothelialization, and Microsurgical Suture Anastomosis of Strong 1-mm-Diameter Collagen Tubes. Tissue Eng Part A 2017; 23:335-344. [PMID: 27998245 PMCID: PMC5397228 DOI: 10.1089/ten.tea.2016.0339] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 12/16/2016] [Indexed: 11/12/2022] Open
Abstract
Tissue-engineered vascular grafts that are based on reconstituted extracellular matrices have been plagued by weak mechanical strength that prevents handling or anastomosis to native vessels. In this study, we devise a method for making dense, suturable collagen tubular constructs of diameter ≤1 mm for potential microsurgical applications, by dehydrating tubes of native rat tail type I collagen and crosslinking them with 20 mM genipin. Crosslinked dense collagen tubes with 1 mm inner diameter yielded ultimate tensile strength of 342 ± 15 gF and burst pressure of 1313 ± 156 mm Hg, comparable to the strength of a rat femoral artery, and supported endothelial cell adhesion and growth. End-to-end anastomosis of 0.5-mm-diameter tubes to explanted arteries displayed anastomotic strength of 82 ± 21 gF, which is sufficient for surgical applications. In vivo implantation of cell-free tubes as interpositional grafts in the rat femoral circulation yielded stable anastomosis with blood flow for 20 min. Seeded dense collagen tubes represent a promising alternative to venous graft that can potentially be used to bridge between short artery stubs in replantation surgeries.
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Affiliation(s)
- Xuanyue Li
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts
| | - Jing Xu
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts
| | - Calin T. Nicolescu
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts
| | | | - Joe Tien
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts
- Division of Materials Science and Engineering, Boston University, Brookline, Massachusetts
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13
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Malheiro A, Wieringa P, Mota C, Baker M, Moroni L. Patterning Vasculature: The Role of Biofabrication to Achieve an Integrated Multicellular Ecosystem. ACS Biomater Sci Eng 2016; 2:1694-1709. [DOI: 10.1021/acsbiomaterials.6b00269] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Afonso Malheiro
- Department
of Complex Tissue
Regeneration, MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Paul Wieringa
- Department
of Complex Tissue
Regeneration, MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Carlos Mota
- Department
of Complex Tissue
Regeneration, MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Matthew Baker
- Department
of Complex Tissue
Regeneration, MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Lorenzo Moroni
- Department
of Complex Tissue
Regeneration, MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
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14
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15
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Jacoby A, Morrison KA, Hooper RC, Asanbe O, Joyce J, Bleecker R, Weinreb RH, Osoria HL, Mukherjee S, Spector JA. Fabrication of capillary-like structures with Pluronic F127® and Kerria lacca
resin (shellac) in biocompatible tissue-engineered constructs. J Tissue Eng Regen Med 2016; 11:2388-2397. [DOI: 10.1002/term.2138] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 11/29/2015] [Accepted: 12/10/2015] [Indexed: 12/15/2022]
Affiliation(s)
- Adam Jacoby
- Hansjörg Wyss Department of Plastic Surgery; New York University Langone Medical Center; New York USA
| | - Kerry A. Morrison
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | - Rachel C. Hooper
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | - Ope Asanbe
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | - Jeremiah Joyce
- Nancy E. and Peter C. Meinig School of Biomedical Engineering; Cornell University; Ithaca NY
| | - Remco Bleecker
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | - Ross H. Weinreb
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | - Hector L. Osoria
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
| | | | - Jason A. Spector
- Laboratory for Bioregenerative Medicine and Surgery, Division of Plastic Surgery; Weill Cornell Medical College; New York USA
- Nancy E. and Peter C. Meinig School of Biomedical Engineering; Cornell University; Ithaca NY
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16
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Lee JB, Wang X, Faley S, Baer B, Balikov DA, Sung HJ, Bellan LM. Development of 3D Microvascular Networks Within Gelatin Hydrogels Using Thermoresponsive Sacrificial Microfibers. Adv Healthc Mater 2016; 5:781-5. [PMID: 26844941 DOI: 10.1002/adhm.201500792] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 11/30/2015] [Indexed: 02/05/2023]
Abstract
A 3D microvascularized gelatin hydrogel is produced using thermoresponsive sacrificial poly(N-isopropylacrylamide) microfibers. The capillary-like microvascular network allows constant perfusion of media throughout the thick hydrogel, and significantly improves the viability of human neonatal dermal fibroblasts encapsulated within the gel at a high density.
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Affiliation(s)
- Jung Bok Lee
- Department of Biomedical Engineering; Vanderbilt University; Nashville TN 37235 USA
- Department of Mechanical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Xintong Wang
- Department of Biomedical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Shannon Faley
- Department of Mechanical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Bradly Baer
- Department of Mechanical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Daniel A. Balikov
- Department of Biomedical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Hak-Joon Sung
- Department of Biomedical Engineering; Vanderbilt University; Nashville TN 37235 USA
| | - Leon M. Bellan
- Department of Biomedical Engineering; Vanderbilt University; Nashville TN 37235 USA
- Department of Mechanical Engineering; Vanderbilt University; Nashville TN 37235 USA
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17
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Sooppan R, Paulsen SJ, Han J, Ta AH, Dinh P, Gaffey AC, Venkataraman C, Trubelja A, Hung G, Miller JS, Atluri P. In Vivo Anastomosis and Perfusion of a Three-Dimensionally-Printed Construct Containing Microchannel Networks. Tissue Eng Part C Methods 2015; 22:1-7. [PMID: 26414863 DOI: 10.1089/ten.tec.2015.0239] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The field of tissue engineering has advanced the development of increasingly biocompatible materials to mimic the extracellular matrix of vascularized tissue. However, a majority of studies instead rely on a multiday inosculation between engineered vessels and host vasculature rather than the direct connection of engineered microvascular networks with host vasculature. We have previously demonstrated that the rapid casting of three-dimensionally-printed (3D) sacrificial carbohydrate glass is an expeditious and a reliable method of creating scaffolds with 3D microvessel networks. Here, we describe a new surgical technique to directly connect host femoral arteries to patterned microvessel networks. Vessel networks were connected in vivo in a rat femoral artery graft model. We utilized laser Doppler imaging to monitor hind limb ischemia for several hours after implantation and thus measured the vascular patency of implants that were anastomosed to the femoral artery. This study may provide a method to overcome the challenge of rapid oxygen and nutrient delivery to engineered vascularized tissues implanted in vivo.
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Affiliation(s)
- Renganaden Sooppan
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Samantha J Paulsen
- 2 Department of Bioengineering, George R. Brown School of Engineering, Rice University , Houston, Texas
| | - Jason Han
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Anderson H Ta
- 2 Department of Bioengineering, George R. Brown School of Engineering, Rice University , Houston, Texas
| | - Patrick Dinh
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Ann C Gaffey
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Chantel Venkataraman
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Alen Trubelja
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - George Hung
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Jordan S Miller
- 2 Department of Bioengineering, George R. Brown School of Engineering, Rice University , Houston, Texas
| | - Pavan Atluri
- 1 Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
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18
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Hovell CM, Sei YJ, Kim Y. Microengineered vascular systems for drug development. JOURNAL OF LABORATORY AUTOMATION 2015; 20:251-8. [PMID: 25424383 PMCID: PMC5663643 DOI: 10.1177/2211068214560767] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Indexed: 11/15/2022]
Abstract
Recent advances in microfabrication technologies and advanced biomaterials have allowed for the development of in vitro platforms that recapitulate more physiologically relevant cellular components and function. Microengineered vascular systems are of particular importance for the efficient assessment of drug candidates to physiological barriers lining microvessels. This review highlights advances in the development of microengineered vascular structures with an emphasis on the potential impact on drug delivery studies. Specifically, this article examines the development of models for the study of drug delivery to the central nervous system and cardiovascular system. We also discuss current challenges and future prospects of the development of microengineered vascular systems.
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Affiliation(s)
- Candice M Hovell
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Atlanta, GA, USA
| | - Yoshitaka J Sei
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Atlanta, GA, USA
| | - YongTae Kim
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Atlanta, GA, USA George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Atlanta, GA, USA Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, Atlanta, GA, USA Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
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19
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Cittadella Vigodarzere G, Mantero S. Skeletal muscle tissue engineering: strategies for volumetric constructs. Front Physiol 2014; 5:362. [PMID: 25295011 PMCID: PMC4170101 DOI: 10.3389/fphys.2014.00362] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 09/03/2014] [Indexed: 12/21/2022] Open
Abstract
Skeletal muscle tissue is characterized by high metabolic requirements, defined structure and high regenerative potential. As such, it constitutes an appealing platform for tissue engineering to address volumetric defects, as proven by recent works in this field. Several issues common to all engineered constructs constrain the variety of tissues that can be realized in vitro, principal among them the lack of a vascular system and the absence of reliable cell sources; as it is, the only successful tissue engineering constructs are not characterized by active function, present limited cellular survival at implantation and possess low metabolic requirements. Recently, functionally competent constructs have been engineered, with vascular structures supporting their metabolic requirements. In addition to the use of biochemical cues, physical means, mechanical stimulation and the application of electric tension have proven effective in stimulating the differentiation of cells and the maturation of the constructs; while the use of co-cultures provided fine control of cellular developments through paracrine activity. This review will provide a brief analysis of some of the most promising improvements in the field, with particular attention to the techniques that could prove easily transferable to other branches of tissue engineering.
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Affiliation(s)
| | - Sara Mantero
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano Milano, Italy
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