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Chen A, Wang W, Mao Z, He Y, Chen S, Liu G, Su J, Feng P, Shi Y, Yan C, Lu J. Multimaterial 3D and 4D Bioprinting of Heterogenous Constructs for Tissue Engineering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307686. [PMID: 37737521 DOI: 10.1002/adma.202307686] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/06/2023] [Indexed: 09/23/2023]
Abstract
Additive manufacturing (AM), which is based on the principle of layer-by-layer shaping and stacking of discrete materials, has shown significant benefits in the fabrication of complicated implants for tissue engineering (TE). However, many native tissues exhibit anisotropic heterogenous constructs with diverse components and functions. Consequently, the replication of complicated biomimetic constructs using conventional AM processes based on a single material is challenging. Multimaterial 3D and 4D bioprinting (with time as the fourth dimension) has emerged as a promising solution for constructing multifunctional implants with heterogenous constructs that can mimic the host microenvironment better than single-material alternatives. Notably, 4D-printed multimaterial implants with biomimetic heterogenous architectures can provide a time-dependent programmable dynamic microenvironment that can promote cell activity and tissue regeneration in response to external stimuli. This paper first presents the typical design strategies of biomimetic heterogenous constructs in TE applications. Subsequently, the latest processes in the multimaterial 3D and 4D bioprinting of heterogenous tissue constructs are discussed, along with their advantages and challenges. In particular, the potential of multimaterial 4D bioprinting of smart multifunctional tissue constructs is highlighted. Furthermore, this review provides insights into how multimaterial 3D and 4D bioprinting can facilitate the realization of next-generation TE applications.
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Affiliation(s)
- Annan Chen
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
- Engineering Research Center of Ceramic Materials for Additive Manufacturing, Ministry of Education, Wuhan, 430074, China
| | - Wanying Wang
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
- Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
| | - Zhengyi Mao
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
| | - Yunhu He
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
| | - Shiting Chen
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
| | - Guo Liu
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
| | - Jin Su
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
- Engineering Research Center of Ceramic Materials for Additive Manufacturing, Ministry of Education, Wuhan, 430074, China
| | - Pei Feng
- State Key Laboratory of High-Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China
| | - Yusheng Shi
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
- Engineering Research Center of Ceramic Materials for Additive Manufacturing, Ministry of Education, Wuhan, 430074, China
| | - Chunze Yan
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
- Engineering Research Center of Ceramic Materials for Additive Manufacturing, Ministry of Education, Wuhan, 430074, China
| | - Jian Lu
- Centre for Advanced Structural Materials, Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen, 518057, China
- CityU-Shenzhen Futian Research Institute, Shenzhen, 518045, China
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Hong Kong Branch of National Precious Metals Material Engineering Research, Center (NPMM), City University of Hong Kong, Kowloon, Hong Kong, 999077, China
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Poudel A, Kunwar P, Aryal U, Merife AB, Soman P. CELLNET technology: Spatially organized, functional 3D networks at single cell resolution. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.12.603216. [PMID: 39071406 PMCID: PMC11275935 DOI: 10.1101/2024.07.12.603216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Cells possess the remarkable ability to generate tissue-specific 3D interconnected networks and respond to a wide range of stimuli. Understanding the link between the spatial arrangement of individual cells and their networks' emergent properties is necessary for the discovery of both fundamental biology as well as applied therapeutics. However, current methods spanning from lithography to 3D photo-patterning to acoustofluidic devices are unable to generate interconnected and organized single cell 3D networks within native extracellular matrix (ECM). To address this challenge, we report a novel technology coined as CELLNET. This involves the generation of crosslinked collagen within multi-chambered microfluidic devices followed by femtosecond laser ablation of 3D microchannel networks and cell seeding. Using model cells, we show that cell migrate within ablated networks within hours, self-organize and form viable, interconnected, 3D networks in custom architectures such as square grid, concentric circle, parallel lines, and spiral patterns. Heterotypic CELLNETs can also be generated by seeding multiple cell types in side-chambers of the devices. The functionality of cell networks can be studied by monitoring the real-time calcium signaling response of individual cells and signal propagation within CELLNETs when subjected to flow stimulus alone or a sequential combination of flow and biochemical stimuli. Furthermore, user-defined disrupted CELLNETs can be generated by lethally injuring target cells within the 3D network and analyzing the changes in their signaling dynamics. As compared to the current self-assembly based methods that exhibit high variability and poor reproducibility, CELLNETs can generate organized 3D single-cell networks and their real-time signaling responses to a range of stimuli can be accurately captured using simple cell seeding and easy-to-handle microfluidic devices. CELLNET, a new technology agnostic of cell types, ECM formulations, 3D cell-connectivity designs, or location and timing of network disruptions, could pave the way to address a range of fundamental and applied bioscience applications. Teaser New technology to generate 3D single cell interconnected and disrupted networks within natural extracellular matrix in custom configurations.
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Zhang J, Suttapreyasri S, Leethanakul C, Samruajbenjakun B. Fabrication of vascularized tissue-engineered bone models using triaxial bioprinting. J Biomed Mater Res A 2024; 112:1093-1106. [PMID: 38411369 DOI: 10.1002/jbm.a.37694] [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: 09/15/2023] [Revised: 01/01/2024] [Accepted: 02/14/2024] [Indexed: 02/28/2024]
Abstract
Bone tissue is a highly vascularized tissue. When constructing tissue-engineered bone models, both the osteogenic and angiogenic capabilities of the construct should be carefully considered. However, fabricating a vascularized tissue-engineered bone to promote vascular formation and bone generation, while simultaneously establishing nutrition channels to facilitate nutrient exchange within the constructs, remains a significant challenge. Triaxial bioprinting, which not only allows the independent encapsulation of different cell types while simultaneously forming nutrient channels, could potentially emerge as a strategy for fabricating vascularized tissue-engineered bone. Moreover, bioinks should also be applied in combination to promote both osteogenesis and angiogenesis. In this study, employing triaxial bioprinting, we used a blend bioink of gelatin methacryloyl (GelMA), sodium alginate (Alg), and different concentrations of nano beta-tricalcium phosphate (nano β-TCP) encapsulated MC3T3-E1 preosteoblasts as the outer layer, a mixed bioink of GelMA and Alg loaded with human umbilical vein endothelial cells (HUVEC) as the middle layer, and gelatin as a sacrificial material to form nutrient channels in the inner layer to fabricate vascularized bone constructs simulating the microenvironment for bone and vascular tissues. The results showed that the addition of nano β-TCP could adjust the mechanical, swelling, and degradation properties of the constructs. Biological assessments revealed the cell viability of constructs containing different concentrations of nano β-TCP was higher than 90% on day 7, The cell-laden constructs containing 3% (w/v) nano β-TCP exhibited better osteogenic (higher Alkaline phosphatase activity and larger Osteocalcin positive area) and angiogenic (the gradual increased CD31 positive area) potential. Therefore, using triaxial bioprinting technology and employing GelMA, Alg, and nano β-TCP as bioink components could fabricate vascularized bone tissue constructs, offering a novel strategy for vascularized bone tissue engineering.
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Affiliation(s)
- Junbiao Zhang
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Songkhla, Thailand
- Guiyang Hospital of Stomatology, Guiyang, People's Republic of China
| | - Srisurang Suttapreyasri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, Thailand
| | - Chidchanok Leethanakul
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Songkhla, Thailand
| | - Bancha Samruajbenjakun
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Songkhla, Thailand
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Rosellini E, Giordano C, Guidi L, Cascone MG. Biomimetic Approaches in Scaffold-Based Blood Vessel Tissue Engineering. Biomimetics (Basel) 2024; 9:377. [PMID: 39056818 PMCID: PMC11274842 DOI: 10.3390/biomimetics9070377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/15/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Cardiovascular diseases remain a leading cause of mortality globally, with atherosclerosis representing a significant pathological means, often leading to myocardial infarction. Coronary artery bypass surgery, a common procedure used to treat coronary artery disease, presents challenges due to the limited autologous tissue availability or the shortcomings of synthetic grafts. Consequently, there is a growing interest in tissue engineering approaches to develop vascular substitutes. This review offers an updated picture of the state of the art in vascular tissue engineering, emphasising the design of scaffolds and dynamic culture conditions following a biomimetic approach. By emulating native vessel properties and, in particular, by mimicking the three-layer structure of the vascular wall, tissue-engineered grafts can improve long-term patency and clinical outcomes. Furthermore, ongoing research focuses on enhancing biomimicry through innovative scaffold materials, surface functionalisation strategies, and the use of bioreactors mimicking the physiological microenvironment. Through a multidisciplinary lens, this review provides insight into the latest advancements and future directions of vascular tissue engineering, with particular reference to employing biomimicry to create systems capable of reproducing the structure-function relationships present in the arterial wall. Despite the existence of a gap between benchtop innovation and clinical translation, it appears that the biomimetic technologies developed to date demonstrate promising results in preventing vascular occlusion due to blood clotting under laboratory conditions and in preclinical studies. Therefore, a multifaceted biomimetic approach could represent a winning strategy to ensure the translation of vascular tissue engineering into clinical practice.
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Affiliation(s)
- Elisabetta Rosellini
- Department of Civil and Industrial Engineering, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy; (C.G.); (L.G.)
| | | | | | - Maria Grazia Cascone
- Department of Civil and Industrial Engineering, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy; (C.G.); (L.G.)
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Iqbal MZ, Riaz M, Biedermann T, Klar AS. Breathing new life into tissue engineering: exploring cutting-edge vascularization strategies for skin substitutes. Angiogenesis 2024:10.1007/s10456-024-09928-6. [PMID: 38842751 DOI: 10.1007/s10456-024-09928-6] [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: 07/20/2023] [Accepted: 05/02/2024] [Indexed: 06/07/2024]
Abstract
Tissue-engineered skin substitutes (TESS) emerged as a new therapeutic option to improve skin transplantation. However, establishing an adequate and rapid vascularization in TESS is a critical factor for their clinical application and successful engraftment in patients. Therefore, several methods have been applied to improve the vascularization of skin substitutes including (i) modifying the structural and physicochemical properties of dermal scaffolds; (ii) activating biological scaffolds with growth factor-releasing systems or gene vectors; and (iii) developing prevascularized skin substitutes by loading scaffolds with capillary-forming cells. This review provides a detailed overview of the most recent and important developments in the vascularization strategies for skin substitutes. On the one hand, we present cell-based approaches using stem cells, microvascular fragments, adipose tissue derived stromal vascular fraction, endothelial cells derived from blood and skin as well as other pro-angiogenic stimulation methods. On the other hand, we discuss how distinct 3D bioprinting techniques and microfluidics, miRNA manipulation, cell sheet engineering and photosynthetic scaffolds like GelMA, can enhance skin vascularization for clinical applications. Finally, we summarize and discuss the challenges and prospects of the currently available vascularization techniques that may serve as a steppingstone to a mainstream application of skin tissue engineering.
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Affiliation(s)
- M Zohaib Iqbal
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, CH-8952, Zurich, Switzerland
- Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
- University of Zurich, Zurich, Switzerland
| | - Mahrukh Riaz
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, CH-8952, Zurich, Switzerland
- Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
- University of Zurich, Zurich, Switzerland
| | - Thomas Biedermann
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, CH-8952, Zurich, Switzerland
- Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
- University of Zurich, Zurich, Switzerland
| | - Agnes S Klar
- Tissue Biology Research Unit, Department of Surgery, University Children's Hospital Zurich, Wagistrasse 12, CH-8952, Zurich, Switzerland.
- Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.
- University of Zurich, Zurich, Switzerland.
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Kunwar P, Aryal U, Poudel A, Fougnier D, Geffert ZJ, Xie R, Li Z, Soman P. Droplet bioprinting of acellular and cell-laden structures at high-resolutions. Biofabrication 2024; 16:035019. [PMID: 38749419 DOI: 10.1088/1758-5090/ad4c09] [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: 11/17/2023] [Accepted: 05/15/2024] [Indexed: 05/24/2024]
Abstract
Advances in digital light projection(DLP) based (bio) printers have made printing of intricate structures at high resolution possible using a wide range of photosensitive bioinks. A typical setup of a DLP bioprinter includes a vat or reservoir filled with liquid bioink, which presents challenges in terms of cost associated with bioink synthesis, high waste, and gravity-induced cell settling, contaminations, or variation in bioink viscosity during the printing process. Here, we report a vat-free, low-volume, waste-free droplet bioprinting method capable of rapidly printing 3D soft structures at high resolution using model bioinks and model cells. A multiphase many-body dissipative particle dynamics model was developed to simulate the dynamic process of droplet-based DLP printing and elucidate the roles of surface wettability and bioink viscosity. Process variables such as light intensity, photo-initiator concentration, and bioink formulations were optimized to print 3D soft structures (∼0.4-3 kPa) with a typical layer thickness of 50µm, an XY resolution of 38 ± 1.5μm and Z resolution of 237 ± 5.4µm. To demonstrate its versatility, droplet bioprinting was used to print a range of acellular 3D structures such as a lattice cube, a Mayan pyramid, a heart-shaped structure, and a microfluidic chip with endothelialized channels. Droplet bioprinting, performed using model C3H/10T1/2 cells, exhibited high viability (90%) and cell spreading. Additionally, microfluidic devices with internal channel networks lined with endothelial cells showed robust monolayer formation while osteoblast-laden constructs showed mineral deposition upon osteogenic induction. Overall, droplet bioprinting could be a low-cost, no-waste, easy-to-use, method to make customized bioprinted constructs for a range of biomedical applications.
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Affiliation(s)
- Puskal Kunwar
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Ujjwal Aryal
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Arun Poudel
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Daniel Fougnier
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Zachary J Geffert
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Rui Xie
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
| | - Zhen Li
- Department of Mechanical Engineering, Clemson University, Clemson, SC 29634, United States of America
| | - Pranav Soman
- Biomedical, and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, United States of America
- BioInspired Institute, Syracuse, NY 13210, United States of America
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Zeng XX, Wu Y. Strategies of Bladder Reconstruction after Partial or Radical Cystectomy for Bladder Cancer. Mol Biotechnol 2024:10.1007/s12033-024-01163-0. [PMID: 38761327 DOI: 10.1007/s12033-024-01163-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 04/03/2024] [Indexed: 05/20/2024]
Abstract
The standard strategy is to reconstruct bladder by use of bowel segments as material in bladder cancer with radical cystectomy clinically. Both natural derived and non natural derived materials are investigated in bladder reconstruction. Studies on mechanical bladder, bladder transplantation and bladder xenotransplantation are currently limited although heart and kidney transplantation or xenotransplantation are successful to a certain extent, and bone prostheses are applied in clinical contexts. Earlier limited number of studies associated with bladder xenograft from animals to humans were not particular promising in results. Although there have been investigations on pig to human cardiac xenotransplantation with CRISPR Cas9 gene editing, the CRISPR Cas technique is not yet widely researched in porcine bladder related gene editing for the potential of human bladder replacement for bladder cancer. The advancement of technologies such as gene editing, bioprinting and induced pluripotent stem cells allow further research into partial or whole bladder replacement strategies. Porcine bladder is suggested as a potential source material for bladder reconstruction due to its alikeness to human bladder. Challenges that exist with all these approaches need to be overcome. This paper aims to review gene editing technology such as the CRISPR Cas systems as tools in bladder reconstruction, bladder xenotransplantation and hybrid bladder with technologies of induced pluripotent stem cells and genome editing, bioprinting for bladder replacement for bladder reconstruction and to restore normal bladder control function after cystectomy for bladder cancer.
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Affiliation(s)
- Xiao Xue Zeng
- Department of Health Management, Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, No. 28, Desheng Road Section, Liguan Road, Lishui Town, Nanhai District, Foshan City, 528000, Guangdong Province, People's Republic of China.
- Benjoe Institute of Systems Bio-Engineering, High Technology Park, Changzhou, 213022, Jiangsu Province, People's Republic of China.
| | - Yuyan Wu
- Department of Health Management, Centre of General Practice, The Seventh Affiliated Hospital, Southern Medical University, No. 28, Desheng Road Section, Liguan Road, Lishui Town, Nanhai District, Foshan City, 528000, Guangdong Province, People's Republic of China
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Soliman BG, Longoni A, Major GS, Lindberg GCJ, Choi YS, Zhang YS, Woodfield TBF, Lim KS. Harnessing Macromolecular Chemistry to Design Hydrogel Micro- and Macro-Environments. Macromol Biosci 2024; 24:e2300457. [PMID: 38035637 DOI: 10.1002/mabi.202300457] [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: 10/07/2023] [Revised: 11/16/2023] [Indexed: 12/02/2023]
Abstract
Cell encapsulation within three-dimensional hydrogels is a promising approach to mimic tissues. However, true biomimicry of the intricate microenvironment, biophysical and biochemical gradients, and the macroscale hierarchical spatial organizations of native tissues is an unmet challenge within tissue engineering. This review provides an overview of the macromolecular chemistries that have been applied toward the design of cell-friendly hydrogels, as well as their application toward controlling biophysical and biochemical bulk and gradient properties of the microenvironment. Furthermore, biofabrication technologies provide the opportunity to simultaneously replicate macroscale features of native tissues. Biofabrication strategies are reviewed in detail with a particular focus on the compatibility of these strategies with the current macromolecular toolkit described for hydrogel design and the challenges associated with their clinical translation. This review identifies that the convergence of the ever-expanding macromolecular toolkit and technological advancements within the field of biofabrication, along with an improved biological understanding, represents a promising strategy toward the successful tissue regeneration.
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Affiliation(s)
- Bram G Soliman
- School of Materials Science and Engineering, University of New South Wales, Sydney, 2052, Australia
| | - Alessia Longoni
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, 3584CX, The Netherlands
| | - Gretel S Major
- Department of Orthopedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, 8011, New Zealand
| | - Gabriella C J Lindberg
- Phil and Penny Knight Campus for Accelerating Scientific Impact Department of Bioengineering, University of Oregon, Eugene, OR, 97403, USA
| | - Yu Suk Choi
- School of Human Sciences, The University of Western Australia, Perth, 6009, Australia
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02115, USA
| | - Tim B F Woodfield
- Department of Orthopedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, 8011, New Zealand
| | - Khoon S Lim
- Department of Orthopedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, 8011, New Zealand
- School of Medical Sciences, University of Sydney, Sydney, 2006, Australia
- Charles Perkins Centre, University of Sydney, Sydney, 2006, Australia
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Song C, Wu X, Wang Y, Wang J, Zhao Y. Cuttlefish-Inspired Photo-Responsive Antibacterial Microparticles with Natural Melanin Nanoparticles Spray. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310444. [PMID: 38050927 DOI: 10.1002/smll.202310444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Indexed: 12/07/2023]
Abstract
Topical antibiotics can be utilized to treat periodontitis, while their delivery stratagems with controlled release and long-lasting bactericidal inhibition are yet challenging. Herein, inspired by the defensive behavior of cuttlefish expelling ink, this work develops innovative thermal-responsive melanin-integrated porous microparticles (MPs) through microfluidic synthesis for periodontitis treatment. These MPs are composed of melanin nanoparticles (NPs), poly(N-isopropylacrylamide) (PNIPAM), and agarose. Benefiting from the excellent biocompatibility and large surface area ratio of MPs, they can deliver abundant melanin NPs. Under near-infrared irradiation, the melanin NPs can convert photo energy into thermal energy. This leads to agarose melting and subsequent shrinkage of the microspheres induced by pNIPAM, thereby facilitating the release of melanin NPs. In addition, the released melanin NPs can serve as a highly effective photothermal agent, displaying potent antibacterial activity against porphyromonas gingivalis and possessing natural anti-inflammatory properties. These unique characteristics are further demonstrated through in vivo experiments, showing the antibacterial effects in the treatment of infected wounds and periodontitis. Therefore, the catfish-inspired photo-responsive antibacterial MPs with controlled-release drug delivery hold tremendous potential in clinical antibacterial applications.
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Affiliation(s)
- Chuanhui Song
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiangyi Wu
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yu Wang
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jinglin Wang
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325001, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
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Janssen R, Benito-Zarza L, Cleijpool P, Valverde MG, Mihăilă SM, Bastiaan-Net S, Garssen J, Willemsen LEM, Masereeuw R. Biofabrication Directions in Recapitulating the Immune System-on-a-Chip. Adv Healthc Mater 2024:e2304569. [PMID: 38625078 DOI: 10.1002/adhm.202304569] [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: 12/21/2023] [Revised: 03/19/2024] [Indexed: 04/17/2024]
Abstract
Ever since the implementation of microfluidics in the biomedical field, in vitro models have experienced unprecedented progress that has led to a new generation of highly complex miniaturized cell culture platforms, known as Organs-on-a-Chip (OoC). These devices aim to emulate biologically relevant environments, encompassing perfusion and other mechanical and/or biochemical stimuli, to recapitulate key physiological events. While OoCs excel in simulating diverse organ functions, the integration of the immune organs and immune cells, though recent and challenging, is pivotal for a more comprehensive representation of human physiology. This comprehensive review covers the state of the art in the intricate landscape of immune OoC models, shedding light on the pivotal role of biofabrication technologies in bridging the gap between conceptual design and physiological relevance. The multifaceted aspects of immune cell behavior, crosstalk, and immune responses that are aimed to be replicated within microfluidic environments, emphasizing the need for precise biomimicry are explored. Furthermore, the latest breakthroughs and challenges of biofabrication technologies in immune OoC platforms are described, guiding researchers toward a deeper understanding of immune physiology and the development of more accurate and human predictive models for a.o., immune-related disorders, immune development, immune programming, and immune regulation.
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Affiliation(s)
- Robine Janssen
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Laura Benito-Zarza
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Pim Cleijpool
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Marta G Valverde
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Silvia M Mihăilă
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Shanna Bastiaan-Net
- Wageningen Food & Biobased Research, Wageningen University & Research, Wageningen, 6708 WG, The Netherlands
| | - Johan Garssen
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
- Danone Global Research & Innovation Center, Danone Nutricia Research B.V., Utrecht, 3584 CT, The Netherlands
| | - Linette E M Willemsen
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
| | - Rosalinde Masereeuw
- Department of Pharmaceutical Sciences, Pharmacology, Utrecht University, Utrecht, 3584 CG, The Netherlands
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11
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Das S, Jegadeesan JT, Basu B. Gelatin Methacryloyl (GelMA)-Based Biomaterial Inks: Process Science for 3D/4D Printing and Current Status. Biomacromolecules 2024; 25:2156-2221. [PMID: 38507816 DOI: 10.1021/acs.biomac.3c01271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Tissue engineering for injured tissue replacement and regeneration has been a subject of investigation over the last 30 years, and there has been considerable interest in using additive manufacturing to achieve these goals. Despite such efforts, many key questions remain unanswered, particularly in the area of biomaterial selection for these applications as well as quantitative understanding of the process science. The strategic utilization of biological macromolecules provides a versatile approach to meet diverse requirements in 3D printing, such as printability, buildability, and biocompatibility. These molecules play a pivotal role in both physical and chemical cross-linking processes throughout the biofabrication, contributing significantly to the overall success of the 3D printing process. Among the several bioprintable materials, gelatin methacryloyl (GelMA) has been widely utilized for diverse tissue engineering applications, with some degree of success. In this context, this review will discuss the key bioengineering approaches to identify the gelation and cross-linking strategies that are appropriate to control the rheology, printability, and buildability of biomaterial inks. This review will focus on the GelMA as the structural (scaffold) biomaterial for different tissues and as a potential carrier vehicle for the transport of living cells as well as their maintenance and viability in the physiological system. Recognizing the importance of printability toward shape fidelity and biophysical properties, a major focus in this review has been to discuss the qualitative and quantitative impact of the key factors, including microrheological, viscoelastic, gelation, shear thinning properties of biomaterial inks, and printing parameters, in particular, reference to 3D extrusion printing of GelMA-based biomaterial inks. Specifically, we emphasize the different possibilities to regulate mechanical, swelling, biodegradation, and cellular functionalities of GelMA-based bio(material) inks, by hybridization techniques, including different synthetic and natural biopolymers, inorganic nanofillers, and microcarriers. At the close, the potential possibility of the integration of experimental data sets and artificial intelligence/machine learning approaches is emphasized to predict the printability, shape fidelity, or biophysical properties of GelMA bio(material) inks for clinically relevant tissues.
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Affiliation(s)
- Soumitra Das
- Materials Research Centre, Indian Institute of Science, Bangalore, India 560012
| | | | - Bikramjit Basu
- Materials Research Centre, Indian Institute of Science, Bangalore, India 560012
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12
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Makode S, Maurya S, Niknam SA, Mollocana-Lara E, Jaberi K, Faramarzi N, Tamayol A, Mortazavi M. Three dimensional (bio)printing of blood vessels: from vascularized tissues to functional arteries. Biofabrication 2024; 16:022005. [PMID: 38277671 DOI: 10.1088/1758-5090/ad22ed] [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: 06/28/2023] [Accepted: 01/26/2024] [Indexed: 01/28/2024]
Abstract
Tissue engineering has emerged as a strategy for producing functional tissues and organs to treat diseases and injuries. Many chronic conditions directly or indirectly affect normal blood vessel functioning, necessary for material exchange and transport through the body and within tissue-engineered constructs. The interest in vascular tissue engineering is due to two reasons: (1) functional grafts can be used to replace diseased blood vessels, and (2) engineering effective vasculature within other engineered tissues enables connection with the host's circulatory system, supporting their survival. Among various practices, (bio)printing has emerged as a powerful tool to engineer biomimetic constructs. This has been made possible with precise control of cell deposition and matrix environment along with the advancements in biomaterials. (Bio)printing has been used for both engineering stand-alone vascular grafts as well as vasculature within engineered tissues for regenerative applications. In this review article, we discuss various conditions associated with blood vessels, the need for artificial blood vessels, the anatomy and physiology of different blood vessels, available 3D (bio)printing techniques to fabricate tissue-engineered vascular grafts and vasculature in scaffolds, and the comparison among the different techniques. We conclude our review with a brief discussion about future opportunities in the area of blood vessel tissue engineering.
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Affiliation(s)
- Shubham Makode
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, India
| | - Satyajit Maurya
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, New Delhi, India
| | - Seyed A Niknam
- Department of Industrial Engineering, Western New England University, Springfield, MA, United States of America
| | - Evelyn Mollocana-Lara
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT 06030, United States of America
| | - Kiana Jaberi
- Department of Nutritional Science, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Faramarzi
- Department of Medicine, University of Connecticut Health Center, Farmington, CT 06030, United States of America
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT 06030, United States of America
| | - Mehdi Mortazavi
- Department of Mechanical and Materials Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, United States of America
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13
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Li H, Shang Y, Zeng J, Matsusaki M. Technology for the formation of engineered microvascular network models and their biomedical applications. NANO CONVERGENCE 2024; 11:10. [PMID: 38430377 PMCID: PMC10908775 DOI: 10.1186/s40580-024-00416-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 02/15/2024] [Indexed: 03/03/2024]
Abstract
Tissue engineering and regenerative medicine have made great progress in recent decades, as the fields of bioengineering, materials science, and stem cell biology have converged, allowing tissue engineers to replicate the structure and function of various levels of the vascular tree. Nonetheless, the lack of a fully functional vascular system to efficiently supply oxygen and nutrients has hindered the clinical application of bioengineered tissues for transplantation. To investigate vascular biology, drug transport, disease progression, and vascularization of engineered tissues for regenerative medicine, we have analyzed different approaches for designing microvascular networks to create models. This review discusses recent advances in the field of microvascular tissue engineering, explores potential future challenges, and offers methodological recommendations.
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Affiliation(s)
- He Li
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yucheng Shang
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Jinfeng Zeng
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Michiya Matsusaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.
- Joint Research Laboratory (TOPPAN) for Advanced Cell Regulatory Chemistry, Osaka University, Suita, Osaka, Japan.
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14
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Cheng X, Xu B, Lei B, Wang S. Opposite Mechanical Preference of Bone/Nerve Regeneration in 3D-Printed Bioelastomeric Scaffolds/Conduits Consistently Correlated with YAP-Mediated Stem Cell Osteo/Neuro-Genesis. Adv Healthc Mater 2024; 13:e2301158. [PMID: 38211963 DOI: 10.1002/adhm.202301158] [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: 04/12/2023] [Revised: 12/31/2023] [Indexed: 01/13/2024]
Abstract
To systematically unveil how substrate stiffness, a critical factor in directing cell fate through mechanotransduction, correlates with tissue regeneration, novel biodegradable and photo-curable poly(trimethylene carbonate) fumarates (PTMCFs) for fabricating elastomeric 2D substrates and 3D bone scaffolds/nerve conduits, are presented. These substrates and structures with adjustable stiffness serve as a unique platform to evaluate how this mechanical cue affects the fate of human umbilical cord mesenchymal stem cells (hMSCs) and hard/soft tissue regeneration in rat femur bone defect and sciatic nerve transection models; whilst, decoupling from topographical and chemical cues. In addition to a positive relationship between substrate stiffness (tensile modulus: 90-990 kPa) and hMSC adhesion, spreading, and proliferation mediated through Yes-associated protein (YAP), opposite mechanical preference is revealed in the osteogenesis and neurogenesis of hMSCs as they are significantly enhanced on the stiff and compliant substrates, respectively. In vivo tissue regeneration demonstrates the same trend: bone regeneration prefers the stiffer scaffolds; while, nerve regeneration prefers the more compliant conduits. Whole-transcriptome analysis further shows that upregulation of Rho GTPase activity and the downstream genes in the compliant group promote nerve repair, providing critical insight into the design strategies of biomaterials for stem cell regulation and hard/soft tissue regeneration through mechanotransduction.
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Affiliation(s)
- Xiaopeng Cheng
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
| | - Bowen Xu
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
| | - Bingxi Lei
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510006, China
| | - Shanfeng Wang
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
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15
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Wu J, Yun Z, Song W, Yu T, Xue W, Liu Q, Sun X. Highly oriented hydrogels for tissue regeneration: design strategies, cellular mechanisms, and biomedical applications. Theranostics 2024; 14:1982-2035. [PMID: 38505623 PMCID: PMC10945336 DOI: 10.7150/thno.89493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 01/19/2024] [Indexed: 03/21/2024] Open
Abstract
Many human tissues exhibit a highly oriented architecture that confers them with distinct mechanical properties, enabling adaptation to diverse and challenging environments. Hydrogels, with their water-rich "soft and wet" structure, have emerged as promising biomimetic materials in tissue engineering for repairing and replacing damaged tissues and organs. Highly oriented hydrogels can especially emulate the structural orientation found in human tissue, exhibiting unique physiological functions and properties absent in traditional homogeneous isotropic hydrogels. The design and preparation of highly oriented hydrogels involve strategies like including hydrogels with highly oriented nanofillers, polymer-chain networks, void channels, and microfabricated structures. Understanding the specific mechanism of action of how these highly oriented hydrogels affect cell behavior and their biological applications for repairing highly oriented tissues such as the cornea, skin, skeletal muscle, tendon, ligament, cartilage, bone, blood vessels, heart, etc., requires further exploration and generalization. Therefore, this review aims to fill that gap by focusing on the design strategy of highly oriented hydrogels and their application in the field of tissue engineering. Furthermore, we provide a detailed discussion on the application of highly oriented hydrogels in various tissues and organs and the mechanisms through which highly oriented structures influence cell behavior.
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Affiliation(s)
- Jiuping Wu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Zhihe Yun
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China
| | - Wenlong Song
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130023, China
| | - Tao Yu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China
| | - Wu Xue
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China
| | - Qinyi Liu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China
| | - Xinzhi Sun
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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16
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Lou C, Yang H, Hou Y, Huang H, Qiu J, Wang C, Sang Y, Liu H, Han L. Microfluidic Platforms for Real-Time In Situ Monitoring of Biomarkers for Cellular Processes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307051. [PMID: 37844125 DOI: 10.1002/adma.202307051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/05/2023] [Indexed: 10/18/2023]
Abstract
Cellular processes are mechanisms carried out at the cellular level that are aimed at guaranteeing the stability of the organism they comprise. The investigation of cellular processes is key to understanding cell fate, understanding pathogenic mechanisms, and developing new therapeutic technologies. Microfluidic platforms are thought to be the most powerful tools among all methodologies for investigating cellular processes because they can integrate almost all types of the existing intracellular and extracellular biomarker-sensing methods and observation approaches for cell behavior, combined with precisely controlled cell culture, manipulation, stimulation, and analysis. Most importantly, microfluidic platforms can realize real-time in situ detection of secreted proteins, exosomes, and other biomarkers produced during cell physiological processes, thereby providing the possibility to draw the whole picture for a cellular process. Owing to their advantages of high throughput, low sample consumption, and precise cell control, microfluidic platforms with real-time in situ monitoring characteristics are widely being used in cell analysis, disease diagnosis, pharmaceutical research, and biological production. This review focuses on the basic concepts, recent progress, and application prospects of microfluidic platforms for real-time in situ monitoring of biomarkers in cellular processes.
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Affiliation(s)
- Chengming Lou
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Hongru Yang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Ying Hou
- Institute for Advanced Interdisciplinary Research (IAIR), University of Jinan, Jinan, 250022, P. R. China
| | - Haina Huang
- Institute for Advanced Interdisciplinary Research (IAIR), University of Jinan, Jinan, 250022, P. R. China
| | - Jichuan Qiu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Chunhua Wang
- Institute for Advanced Interdisciplinary Research (IAIR), University of Jinan, Jinan, 250022, P. R. China
| | - Yuanhua Sang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Hong Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
- Institute for Advanced Interdisciplinary Research (IAIR), University of Jinan, Jinan, 250022, P. R. China
| | - Lin Han
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266000, P. R. China
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17
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Khalid U, Uchikov P, Hristov B, Kraev K, Koleva-Ivanova M, Kraeva M, Batashki A, Taneva D, Doykov M, Uchikov A. Surgical Innovations in Tracheal Reconstruction: A Review on Synthetic Material Fabrication. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:40. [PMID: 38256300 PMCID: PMC10820818 DOI: 10.3390/medicina60010040] [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: 11/21/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: The aim of this review is to explore the recent surgical innovations in tracheal reconstruction by evaluating the uses of synthetic material fabrication when dealing with tracheomalacia or stenotic pathologies, then discussing the challenges holding back these innovations. Materials and Methods: A targeted non-systematic review of published literature relating to tracheal reconstruction was performed within the PubMed database to help identify how synthetic materials are utilised to innovate tracheal reconstruction. Results: The advancements in 3D printing to aid synthetic material fabrication have unveiled promising alternatives to conventional approaches. Achieving successful tracheal reconstruction through this technology demands that the 3D models exhibit biocompatibility with neighbouring tracheal elements by encompassing vasculature, chondral foundation, and immunocompatibility. Tracheal reconstruction has employed grafts and scaffolds, showing a promising beginning in vivo. Concurrently, the integration of resorbable models and stem cell therapy serves to underscore their viability and application in the context of tracheal pathologies. Despite this, certain barriers hinder its advancement in surgery. The intricate tracheal structure has posed a challenge for researchers seeking novel approaches to support its growth and regeneration. Conclusions: The potential of synthetic material fabrication has shown promising outcomes in initial studies involving smaller animals. Yet, to fully realise the applicability of these innovative developments, research must progress toward clinical trials. These trials would ascertain the anatomical and physiological effects on the human body, enabling a thorough evaluation of post-operative outcomes and any potential complications linked to the materials or cells implanted in the trachea.
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Affiliation(s)
- Usman Khalid
- Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Petar Uchikov
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Bozhidar Hristov
- Section "Gastroenterology", Second Department of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Krasimir Kraev
- Department of Propedeutics of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Maria Koleva-Ivanova
- Department of General and Clinical Pathology, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Maria Kraeva
- Department of Otorhynolaryngology, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Atanas Batashki
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Daniela Taneva
- Department of Nursing Care, Faculty of Public Health, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Mladen Doykov
- Department of Urology and General Medicine, Medical Faculty, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Angel Uchikov
- Department of Special Surgery, Faculty of Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
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18
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Chen C, Zhan C, Huang X, Zhang S, Chen J. Three-dimensional printing of cell-laden bioink for blood vessel tissue engineering: influence of process parameters and components on cell viability. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:2411-2437. [PMID: 37725406 DOI: 10.1080/09205063.2023.2251781] [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: 07/02/2023] [Accepted: 08/21/2023] [Indexed: 09/21/2023]
Abstract
Three-dimensional (3D) bioprinting is a potential therapeutic method for tissue engineering owing to its ability to prepare cell-laden tissue constructs. The properties of bioink are crucial to accurately control the printing structure. Meanwhile, the effect of process parameters on the precise structure is not nonsignificant. We investigated the correlation between process parameters of 3D bioprinting and the structural response of κ-carrageenan-based hydrogels to explore the controllable structure, printing resolution, and cell survival rate. Small-diameter (<6 mm) gel filaments with different structures were printed by varying the shear stress of the extrusion bioprinter to simulate the natural blood vessel structure. The cell viability of the scaffold was evaluated. The in vitro culture of human umbilical vein endothelium cells (HUVECs) on the κ-carrageenan (kc) and composite gels (carrageenan/carbon nanotube and carrageenan/sodium alginate) demonstrated that the cell attachment and proliferation on composite gels were better than those on pure kc. Our results revealed that the carrageenan-based composite bioinks offer better printability, sufficient mechanical stiffness, interconnectivity, and biocompatibility. This process can facilitate precise adjustment of the pore size, porosity, and pore distribution of the hydrogel structure by optimising the printing parameters as well as realise the precise preparation of the internal structure of the 3D hydrogel-based tissue engineering scaffold. Moreover, we obtained perfused tubular filament by 3D printing at optimal process parameters.
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Affiliation(s)
- Chongshuai Chen
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Congcong Zhan
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Xia Huang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Shanfeng Zhang
- Experimental Center for Basic Medicine, Zhengzhou University, Zhengzhou, Henan, P.R. China
| | - Junying Chen
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, P.R. China
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19
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Yeo M, Sarkar A, Singh YP, Derman ID, Datta P, Ozbolat IT. Synergistic coupling between 3D bioprinting and vascularization strategies. Biofabrication 2023; 16:012003. [PMID: 37944186 PMCID: PMC10658349 DOI: 10.1088/1758-5090/ad0b3f] [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: 01/19/2023] [Revised: 09/27/2023] [Accepted: 11/09/2023] [Indexed: 11/12/2023]
Abstract
Three-dimensional (3D) bioprinting offers promising solutions to the complex challenge of vascularization in biofabrication, thereby enhancing the prospects for clinical translation of engineered tissues and organs. While existing reviews have touched upon 3D bioprinting in vascularized tissue contexts, the current review offers a more holistic perspective, encompassing recent technical advancements and spanning the entire multistage bioprinting process, with a particular emphasis on vascularization. The synergy between 3D bioprinting and vascularization strategies is crucial, as 3D bioprinting can enable the creation of personalized, tissue-specific vascular network while the vascularization enhances tissue viability and function. The review starts by providing a comprehensive overview of the entire bioprinting process, spanning from pre-bioprinting stages to post-printing processing, including perfusion and maturation. Next, recent advancements in vascularization strategies that can be seamlessly integrated with bioprinting are discussed. Further, tissue-specific examples illustrating how these vascularization approaches are customized for diverse anatomical tissues towards enhancing clinical relevance are discussed. Finally, the underexplored intraoperative bioprinting (IOB) was highlighted, which enables the direct reconstruction of tissues within defect sites, stressing on the possible synergy shaped by combining IOB with vascularization strategies for improved regeneration.
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Affiliation(s)
- Miji Yeo
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, United States of America
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, United States of America
| | - Anwita Sarkar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal 700054, India
| | - Yogendra Pratap Singh
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, United States of America
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, United States of America
| | - Irem Deniz Derman
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, United States of America
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, United States of America
| | - Pallab Datta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal 700054, India
| | - Ibrahim T Ozbolat
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA 16802, United States of America
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, United States of America
- Department of Biomedical Engineering, Penn State University, University Park, PA 16802, United States of America
- Materials Research Institute, Penn State University, University Park, PA 16802, United States of America
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, United States of America
- Penn State Cancer Institute, Penn State University, Hershey, PA 17033, United States of America
- Biotechnology Research and Application Center, Cukurova University, Adana 01130, Turkey
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20
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Xuan Z, Gurevich L, Christiansen JDC, Zachar V, Pennisi CP. Stable hydrogel adhesion to polydimethylsiloxane enables cyclic mechanical stimulation of 3D-bioprinted smooth muscle constructs. Biotechnol Bioeng 2023; 120:3396-3408. [PMID: 37526327 DOI: 10.1002/bit.28516] [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: 03/30/2023] [Revised: 07/05/2023] [Accepted: 07/11/2023] [Indexed: 08/02/2023]
Abstract
During normal urination, smooth muscle cells (SMCs) in the lower urinary tract (LUT) are exposed to mechanical signals that have a critical impact on tissue structure and function. Nevertheless, the mechanisms underlying the maintenance of the contractile phenotype of SMCs remain poorly understood. This is due, in part, to a lack of studies that have examined the effects of mechanical loading using three-dimensional (3D) models. In this study, surface modifications of polydimethylsiloxane (PDMS) membrane were evaluated to investigate the effects of cyclic mechanical stimulation on SMC maturation in 3D constructs. Commercially available cell stretching plates were modified with amino or methacrylate groups to promote adhesion of 3D constructs fabricated by bioprinting. After 6 days of stimulation, the effects of mechanical stimulation on the expression of contractile markers at the mRNA and protein levels were analyzed. Methacrylate-modified surfaces supported stable adhesion of the 3D constructs to the membrane and facilitated cyclic mechanical stimulation, which significantly increased the expression of contractile markers at the mRNA and protein levels. These effects were found to be mediated by activation of the p38 MAPK pathway, as inhibition of this pathway abolished the effects of stimulation in a dose-dependent manner. These results provide valuable insights into the role of mechanical signaling in maintaining the contractile phenotype of bladder SMCs, which has important implications for the development of future treatments for LUT diseases.
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Affiliation(s)
- Zongzhe Xuan
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Leonid Gurevich
- Department of Materials and Production, Aalborg University, Aalborg, Denmark
| | | | - Vladimir Zachar
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Cristian Pablo Pennisi
- Regenerative Medicine Group, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
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21
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Khatib M, Zhao ET, Wei S, Abramson A, Bishop ES, Chen CH, Thomas AL, Xu C, Park J, Lee Y, Hamnett R, Yu W, Root SE, Yuan L, Chakhtoura D, Kim KK, Zhong D, Nishio Y, Zhao C, Wu C, Jiang Y, Zhang A, Li J, Wang W, Salimi-Jazi F, Rafeeqi TA, Hemed NM, Tok JBH, Chen X, Kaltschmidt JA, Dunn JC, Bao Z. Spiral NeuroString: High-Density Soft Bioelectronic Fibers for Multimodal Sensing and Stimulation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.02.560482. [PMID: 37873341 PMCID: PMC10592902 DOI: 10.1101/2023.10.02.560482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Bioelectronic fibers hold promise for both research and clinical applications due to their compactness, ease of implantation, and ability to incorporate various functionalities such as sensing and stimulation. However, existing devices suffer from bulkiness, rigidity, limited functionality, and low density of active components. These limitations stem from the difficulty to incorporate many components on one-dimensional (1D) fiber devices due to the incompatibility of conventional microfabrication methods (e.g., photolithography) with curved, thin and long fiber structures. Herein, we introduce a fabrication approach, ‶spiral transformation″, to convert two-dimensional (2D) films containing microfabricated devices into 1D soft fibers. This approach allows for the creation of high density multimodal soft bioelectronic fibers, termed Spiral NeuroString (S-NeuroString), while enabling precise control over the longitudinal, angular, and radial positioning and distribution of the functional components. We show the utility of S-NeuroString for motility mapping, serotonin sensing, and tissue stimulation within the dynamic and soft gastrointestinal (GI) system, as well as for single-unit recordings in the brain. The described bioelectronic fibers hold great promises for next-generation multifunctional implantable electronics.
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Affiliation(s)
- Muhammad Khatib
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Eric Tianjiao Zhao
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Shiyuan Wei
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Alex Abramson
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Division of Digestive Diseases, Emory University School of Medicine, Atlanta, GA 30332, USA
| | - Estelle Spear Bishop
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California, USA
| | - Chih-Hsin Chen
- Department of Surgery/Pediatric Surgery, Stanford University, Stanford, CA, USA
| | - Anne-Laure Thomas
- Department of Surgery/Pediatric Surgery, Stanford University, Stanford, CA, USA
| | - Chengyi Xu
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Jaeho Park
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Yeongjun Lee
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Ryan Hamnett
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA
- Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, 94305, USA
| | - Weilai Yu
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Samuel E. Root
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Lei Yuan
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Dorine Chakhtoura
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Kyun Kyu Kim
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Donglai Zhong
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Yuya Nishio
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Chuanzhen Zhao
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Can Wu
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Yuanwen Jiang
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Anqi Zhang
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Jinxing Li
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
- Department of Biomedical Engineering and Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI 48823, USA
| | - Weichen Wang
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | | | - Talha A. Rafeeqi
- Department of Surgery/Pediatric Surgery, Stanford University, Stanford, CA, USA
| | - Nofar Mintz Hemed
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Jeffrey B.-H. Tok
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Xiaoke Chen
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Julia A. Kaltschmidt
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA
- Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, 94305, USA
| | - James C.Y. Dunn
- Department of Surgery/Pediatric Surgery, Stanford University, Stanford, CA, USA
- Department of Bioengineering, Stanford University, Stanford, CA, USA
| | - Zhenan Bao
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
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22
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Duong VT, Nguyen CT, Phan HL, Le VP, Dang TT, Choi C, Seo J, Cha C, Back SH, Koo KI. Double-layered blood vessels over 3 mm in diameter extruded by the inverse-gravity technique. Biofabrication 2023; 15:045022. [PMID: 37659401 DOI: 10.1088/1758-5090/acf61f] [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: 02/26/2023] [Accepted: 09/01/2023] [Indexed: 09/04/2023]
Abstract
One of the most promising techniques for treating severe peripheral artery disease is the use of cellular tissue-engineered vascular grafts (TEVGs). This study proposes an inverse-gravity (IG) extrusion technique for creating long double-layered cellular TEVGs with diameters over 3 mm. A three-layered coaxial laminar hydrogel flow in an 8 mm-diameter pipe was realised simply by changing the extrusion direction of the hydrogel from being aligned with the direction of gravity to against it. This technique produced an extruded mixture of human aortic smooth muscle cells (HASMCs) and type-I collagen as a tubular structure with an inner diameter of 3.5 mm. After a 21 day maturation period, the maximal burst pressure, longitudinal breaking force, and circumferential breaking force of the HASMC TEVG were 416 mmHg, 0.69 N, and 0.89 N, respectively. The HASMC TEVG was endothelialised with human umbilical vein endothelial cells to form a tunica intima that simulated human vessels. Besides subcutaneous implantability on mice, the double-layered blood vessels showed a considerably lower adherence of platelets and red blood cells once exposed to heparinised mouse blood and were considered nonhaemolytic. The proposed IG extrusion technique can be applied in various fields requiring multilayered materials with large diameters.
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Affiliation(s)
- Van Thuy Duong
- Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Chanh Trung Nguyen
- Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Huu Lam Phan
- Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Van Phu Le
- Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Thao Thi Dang
- School of Biological Sciences, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Cholong Choi
- Center for Multidimensional Programmable Matter, Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jongmo Seo
- Electrical and Computer Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Chaenyung Cha
- Center for Multidimensional Programmable Matter, Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Sung Hoon Back
- School of Biological Sciences, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Kyo-In Koo
- Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea
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23
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Chu WS, Park H, Moon S. Novel Fabrication of 3-D Cell Laden Micro-Patterned Porous Structure on Cell Growth and Proliferation by Layered Manufacturing. Bioengineering (Basel) 2023; 10:1092. [PMID: 37760194 PMCID: PMC10526113 DOI: 10.3390/bioengineering10091092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/14/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023] Open
Abstract
This study focuses on developing and characterizing a novel 3-dimensional cell-laden micro-patterned porous structure from a mechanical engineering perspective. Tissue engineering holds great promise for repairing damaged organs but faces challenges related to cell viability, biocompatibility, and mechanical strength. This research aims to overcome these limitations by utilizing gelatin methacrylate hydrogel as a scaffold material and employing a photolithography technique for precise patterned fabrication. The mechanical properties of the structure are of particular interest in this study. We evaluate its ability to withstand external forces through compression tests, which provide insights into its strength and stability. Additionally, structural integrity is assessed over time to determine its performance in in vitro and potential in vivo environments. We investigate cell viability and proliferation within the micro-patterned porous structure to evaluate the biological aspects. MTT assays and immunofluorescence staining are employed to analyze the metabolic activity and distribution pattern of cells, respectively. These assessments help us understand the effectiveness of the structure in supporting cell growth and tissue regeneration. The findings of this research contribute to the field of tissue engineering and provide valuable insights for mechanical engineers working on developing scaffolds and structures for regenerative medicine. By addressing challenges related to cell viability, biocompatibility, and mechanical strength, we move closer to realizing clinically viable tissue engineering solutions. The novel micro-patterned porous structure holds promise for applications in artificial organ development and lays the foundation for future advancements in large soft tissue construction.
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Affiliation(s)
- Won-Shik Chu
- Department of Mechanical Convergence Engineering, Gyeongsang National University, Changwon 51391, Gyeongsangnam-do, Republic of Korea; (W.-S.C.); (H.P.)
| | - Hyeongryool Park
- Department of Mechanical Convergence Engineering, Gyeongsang National University, Changwon 51391, Gyeongsangnam-do, Republic of Korea; (W.-S.C.); (H.P.)
| | - Sangjun Moon
- Department of Mechanical Convergence Engineering, Gyeongsang National University, Changwon 51391, Gyeongsangnam-do, Republic of Korea; (W.-S.C.); (H.P.)
- Cyberneticsimagingsystems Co., Ltd., Changwon 51391, Gyeongsangnam-do, Republic of Korea
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24
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Luo C, Liu X, Zhang Y, Dai H, Ci H, Mou S, Zhou M, Chen L, Wang Z, Russell TP, Sun J. Reconfigurable Magnetic Liquid Building Blocks for Constructing Artificial Spinal Column Tissues. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300694. [PMID: 37409801 PMCID: PMC10477840 DOI: 10.1002/advs.202300694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/02/2023] [Indexed: 07/07/2023]
Abstract
All-liquid molding can be used to transform a liquid into free-form solid constructs, while maintaining internal fluidity. Traditional biological scaffolds, such as cured pre-gels, are normally processed in solid state, sacrificing flowability and permeability. However, it is essential to maintain the fluidity of the scaffold to truly mimic the complexity and heterogeneity of natural human tissues. Here, this work molds an aqueous biomaterial ink into liquid building blocks with rigid shapes while preserving internal fluidity. The molded ink blocks for bone-like vertebrae and cartilaginous-intervertebral-disc shapes, are magnetically manipulated to assemble into hierarchical structures as a scaffold for subsequent spinal column tissue growth. It is also possible to join separate ink blocks by interfacial coalescence, different from bridging solid blocks by interfacial fixation. Generally, aqueous biomaterial inks are molded into shapes with high fidelity by the interfacial jamming of alginate surfactants. The molded liquid blocks can be reconfigured using induced magnetic dipoles, that dictated the magnetic assembly behavior of liquid blocks. The implanted spinal column tissue exhibits a biocompatibility based on in vitro seeding and in vivo cultivating results, showing potential physiological function such as bending of the spinal column.
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Affiliation(s)
- Chao Luo
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Xubo Liu
- CAS Key Laboratory of Bio‐Inspired Materials and Interfacial ScienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China
- Materials Sciences DivisionLawrence Berkeley National LaboratoryBerkeleyCalifornia94720USA
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Yifan Zhang
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Haoyu Dai
- CAS Key Laboratory of Bio‐Inspired Materials and Interfacial ScienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China
| | - Hai Ci
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Shan Mou
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Muran Zhou
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Lifeng Chen
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Zhenxing Wang
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
| | - Thomas P. Russell
- Materials Sciences DivisionLawrence Berkeley National LaboratoryBerkeleyCalifornia94720USA
- Polymer Science and Engineering DepartmentUniversity of MassachusettsAmherstMassachusetts01003USA
- Beijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Jiaming Sun
- Department of Plastic SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
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25
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Tabury K, Rehnberg E, Baselet B, Baatout S, Moroni L. Bioprinting of Cardiac Tissue in Space: Where Are We? Adv Healthc Mater 2023; 12:e2203338. [PMID: 37312654 DOI: 10.1002/adhm.202203338] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 04/18/2023] [Indexed: 06/15/2023]
Abstract
Bioprinting in space is the next frontier in tissue engineering. In the absence of gravity, novel opportunities arise, as well as new challenges. The cardiovascular system needs particular attention in tissue engineering, not only to develop safe countermeasures for astronauts in future deep and long-term space missions, but also to bring solutions to organ transplantation shortage. In this perspective, the challenges encountered when using bioprinting techniques in space and current gaps that need to be overcome are discussed. The recent developments that have been made in the bioprinting of heart tissues in space and an outlook on potential future bioprinting opportunities in space are described.
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Affiliation(s)
- Kevin Tabury
- Radiology Unit, Belgian Nuclear Research Center, Boeretang 200, Mol, 2400, Belgium
- Department of Biomedical Engineering, College of Engineering and Computing, University of South Carolina, Columbia, SC, 29208, USA
| | - Emil Rehnberg
- Radiology Unit, Belgian Nuclear Research Center, Boeretang 200, Mol, 2400, Belgium
- Department of Molecular Biotechnology, Ghent University, Ghent, 9000, Belgium
| | - Bjorn Baselet
- Radiology Unit, Belgian Nuclear Research Center, Boeretang 200, Mol, 2400, Belgium
| | - Sarah Baatout
- Radiology Unit, Belgian Nuclear Research Center, Boeretang 200, Mol, 2400, Belgium
- Department of Molecular Biotechnology, Ghent University, Ghent, 9000, Belgium
| | - Lorenzo Moroni
- MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Complex Tissue Regeneration, Maastricht University, Universiteitssingel 40, Maastricht, 6229ER, The Netherlands
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26
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Zhang J, Suttapreyasri S, Leethanakul C, Samruajbenjakun B. Triaxial bioprinting large-size vascularized constructs with nutrient channels. Biomed Mater 2023; 18:055026. [PMID: 37604152 DOI: 10.1088/1748-605x/acf25a] [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: 04/21/2023] [Accepted: 08/21/2023] [Indexed: 08/23/2023]
Abstract
Bioprinting has demonstrated great advantages in tissue and organ regeneration. However, constructing large-scale tissue and organsin vitrois still a huge challenge due to the lack of some strategies for loading multiple types of cells precisely while maintaining nutrient channels. Here, a new 3D bioprinting strategy was proposed to construct large-scale vascularized tissue. A mixture of gelatin methacrylate (GelMA) and sodium alginate (Alg) was used as a bioink, serving as the outer and middle layers of a single filament in the triaxial printing process, and loaded with human bone marrow mesenchymal stem cells and human umbilical vein endothelial cells, respectively, while a calcium chloride (CaCl2) solution was used as the inner layer. The CaCl2solution crosslinked with the middle layer bioink during the printing process to form and maintain hollow nutrient channels, then a stable large-scale construct was obtained through photopolymerization and ion crosslinking after printing. The feasibility of this strategy was verified by investigating the properties of the bioink and construct, and the biological performance of the vascularized construct. The results showed that a mixture of 5% (w/v) GelMA and 1% (w/v) Alg bioink could be printed at room temperature with good printability and perfusion capacity. Then, the construct with and without channels was fabricated and characterized, and the results revealed that the construct with channels had a similar degradation profile to that without channels, but lower compressive modulus and higher swelling rate. Biological investigation showed that the construct with channels was more favorable for cell survival, proliferation, diffusion, migration, and vascular network formation. In summary, it was demonstrated that constructing large-scale vascularized tissue by triaxial printing that can precisely encapsulate multiple types of cells and form nutrient channels simultaneously was feasible, and this technology could be used to prepare large-scale vascularized constructs.
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Affiliation(s)
- Junbiao Zhang
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
- Guiyang Hospital of Stomatology, Guiyang 550002, People's Republic of China
| | - Srisurang Suttapreyasri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Thailand
| | - Chidchanok Leethanakul
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
| | - Bancha Samruajbenjakun
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand
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27
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Li MX, Wei QQ, Mo HL, Ren Y, Zhang W, Lu HJ, Joung YK. Challenges and advances in materials and fabrication technologies of small-diameter vascular grafts. Biomater Res 2023; 27:58. [PMID: 37291675 PMCID: PMC10251629 DOI: 10.1186/s40824-023-00399-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/21/2023] [Indexed: 06/10/2023] Open
Abstract
The arterial occlusive disease is one of the leading causes of cardiovascular diseases, often requiring revascularization. Lack of suitable small-diameter vascular grafts (SDVGs), infection, thrombosis, and intimal hyperplasia associated with synthetic vascular grafts lead to a low success rate of SDVGs (< 6 mm) transplantation in the clinical treatment of cardiovascular diseases. The development of fabrication technology along with vascular tissue engineering and regenerative medicine technology allows biological tissue-engineered vascular grafts to become living grafts, which can integrate, remodel, and repair the host vessels as well as respond to the surrounding mechanical and biochemical stimuli. Hence, they potentially alleviate the shortage of existing vascular grafts. This paper evaluates the current advanced fabrication technologies for SDVGs, including electrospinning, molding, 3D printing, decellularization, and so on. Various characteristics of synthetic polymers and surface modification methods are also introduced. In addition, it also provides interdisciplinary insights into the future of small-diameter prostheses and discusses vital factors and perspectives for developing such prostheses in clinical applications. We propose that the performance of SDVGs can be improved by integrating various technologies in the near future.
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Affiliation(s)
- Mei-Xian Li
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection, Nantong University, Nantong, 226019, China
- School of Textile and Clothing, Nantong University, Nantong, 226019, China
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
| | - Qian-Qi Wei
- Department of Infectious Diseases, General Hospital of Tibet Military Command, Xizang, China
| | - Hui-Lin Mo
- School of Textile and Clothing, Nantong University, Nantong, 226019, China
| | - Yu Ren
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection, Nantong University, Nantong, 226019, China
- School of Textile and Clothing, Nantong University, Nantong, 226019, China
| | - Wei Zhang
- National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection, Nantong University, Nantong, 226019, China.
- School of Textile and Clothing, Nantong University, Nantong, 226019, China.
| | - Huan-Jun Lu
- Institute of Special Environmental Medicine, Nantong University, Nantong, 226019, China.
| | - Yoon Ki Joung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea.
- Division of Bio-Medical Science and Technology, University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea.
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28
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Afewerki S, Stocco TD, Rosa da Silva AD, Aguiar Furtado AS, Fernandes de Sousa G, Ruiz-Esparza GU, Webster TJ, Marciano FR, Strømme M, Zhang YS, Lobo AO. In vitro high-content tissue models to address precision medicine challenges. Mol Aspects Med 2023; 91:101108. [PMID: 35987701 PMCID: PMC9384546 DOI: 10.1016/j.mam.2022.101108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/29/2022] [Accepted: 07/20/2022] [Indexed: 01/18/2023]
Abstract
The field of precision medicine allows for tailor-made treatments specific to a patient and thereby improve the efficiency and accuracy of disease prevention, diagnosis, and treatment and at the same time would reduce the cost, redundant treatment, and side effects of current treatments. Here, the combination of organ-on-a-chip and bioprinting into engineering high-content in vitro tissue models is envisioned to address some precision medicine challenges. This strategy could be employed to tackle the current coronavirus disease 2019 (COVID-19), which has made a significant impact and paradigm shift in our society. Nevertheless, despite that vaccines against COVID-19 have been successfully developed and vaccination programs are already being deployed worldwide, it will likely require some time before it is available to everyone. Furthermore, there are still some uncertainties and lack of a full understanding of the virus as demonstrated in the high number new mutations arising worldwide and reinfections of already vaccinated individuals. To this end, efficient diagnostic tools and treatments are still urgently needed. In this context, the convergence of bioprinting and organ-on-a-chip technologies, either used alone or in combination, could possibly function as a prominent tool in addressing the current pandemic. This could enable facile advances of important tools, diagnostics, and better physiologically representative in vitro models specific to individuals allowing for faster and more accurate screening of therapeutics evaluating their efficacy and toxicity. This review will cover such technological advances and highlight what is needed for the field to mature for tackling the various needs for current and future pandemics as well as their relevancy towards precision medicine.
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Affiliation(s)
- Samson Afewerki
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, BOX 35, 751 03, Uppsala, Sweden
| | - Thiago Domingues Stocco
- Bioengineering Program, Technological and Scientific Institute, Brazil University, 08230-030, São Paulo, SP, Brazil,Faculty of Medical Sciences, Unicamp - State University of Campinas, 13083-877, Campinas, SP, Brazil
| | | | - André Sales Aguiar Furtado
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil
| | - Gustavo Fernandes de Sousa
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil
| | - Guillermo U. Ruiz-Esparza
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA,Division of Health Sciences and Technology, Harvard University ‑ Massachusetts Institute of Technology, Boston, MA, 02115, USA
| | - Thomas J. Webster
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil,Hebei University of Technology, Tianjin, China
| | | | - Maria Strømme
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, BOX 35, 751 03, Uppsala, Sweden
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA; Division of Health Sciences and Technology, Harvard University ‑ Massachusetts Institute of Technology, Boston, MA, 02115, USA.
| | - Anderson Oliveira Lobo
- Interdisciplinary Laboratory for Advanced Materials, BioMatLab, Department of Materials Engineering, Federal University of Piauí (UFPI), Teresina, PI, Brazil.
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29
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Mi X, Su Z, Yue X, Ren Y, Yang X, Qiang L, Kong W, Ma Z, Zhang C, Wang J. 3D bioprinting tumor models mimic the tumor microenvironment for drug screening. Biomater Sci 2023; 11:3813-3827. [PMID: 37052182 DOI: 10.1039/d3bm00159h] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Cancer is a severe threat to human life and health and represents the main cause of death globally. Drug therapy is one of the primary means of treating cancer; however, most anticancer medications do not proceed beyond preclinical testing because the conditions of actual human tumors are not effectively mimicked by traditional tumor models. Hence, bionic in vitro tumor models must be developed to screen for anticancer drugs. Three-dimensional (3D) bioprinting technology can produce structures with built-in spatial and chemical complexity and models with accurately controlled structures, a homogeneous size and morphology, less variation across batches, and a more realistic tumor microenvironment (TME). This technology can also rapidly produce such models for high-throughput anticancer medication testing. This review describes 3D bioprinting methods, the use of bioinks in tumor models, and in vitro tumor model design strategies for building complex tumor microenvironment features using biological 3D printing technology. Moreover, the application of 3D bioprinting in vitro tumor models in drug screening is also discussed.
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Affiliation(s)
- Xuelian Mi
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Zhi Su
- School of Kinesiology, Shanghai University of Sport, 399 Chang Hai Road, Shanghai, 200438, China
| | - Xiaokun Yue
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Ya Ren
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
| | - Xue Yang
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
| | - Lei Qiang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 611756, China
| | - Weiqing Kong
- Department of Spinal Surgery, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, Shandong Province, 266000, China
| | - Zhenjiang Ma
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Changru Zhang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Jinwu Wang
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
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30
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Mu X, Gerhard-Herman MD, Zhang YS. Building Blood Vessel Chips with Enhanced Physiological Relevance. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:2201778. [PMID: 37693798 PMCID: PMC10489284 DOI: 10.1002/admt.202201778] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Indexed: 09/12/2023]
Abstract
Blood vessel chips are bioengineered microdevices, consisting of biomaterials, human cells, and microstructures, which recapitulate essential vascular structure and physiology and allow a well-controlled microenvironment and spatial-temporal readouts. Blood vessel chips afford promising opportunities to understand molecular and cellular mechanisms underlying a range of vascular diseases. The physiological relevance is key to these blood vessel chips that rely on bioinspired strategies and bioengineering approaches to translate vascular physiology into artificial units. Here, we discuss several critical aspects of vascular physiology, including morphology, material composition, mechanical properties, flow dynamics, and mass transport, which provide essential guidelines and a valuable source of bioinspiration for the rational design of blood vessel chips. We also review state-of-art blood vessel chips that exhibit important physiological features of the vessel and reveal crucial insights into the biological processes and disease pathogenesis, including rare diseases, with notable implications for drug screening and clinical trials. We envision that the advances in biomaterials, biofabrication, and stem cells improve the physiological relevance of blood vessel chips, which, along with the close collaborations between clinicians and bioengineers, enable their widespread utility.
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Affiliation(s)
- Xuan Mu
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA; Roy J. Carver Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA 52242, USA
| | - Marie Denise Gerhard-Herman
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
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31
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Heran W, Xin L, Qi G, Xiongfei Z. Vascularized organ bioprinting: From strategy to paradigm. Cell Prolif 2023; 56:e13453. [PMID: 36929675 DOI: 10.1111/cpr.13453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023] Open
Abstract
Over the past two decades, bioprinting has become a popular research topic worldwide, as it is the most promising approach for manufacturing vascularized organ in vitro. However, transitioning bioprinting from simple tissue models to real biomedical applications is still a challenge due to the lack of interdisciplinary theoretical knowledge and perfect multitechnology integration. This review examines the goals of vasculature manufacturing and proposes the objectives in three stages. We then outline a bidirectional manufacturing strategy consisting of top-down reproduction (bioprinting) and bottom-up regeneration (cellular behaviour). We also provide an in-depth analysis of the views from the four aspects of design, ink, printing, and culture. Furthermore, we present the 'constructing-comprehension cycle' research paradigm in Strategic Priority Research Program and the 'math-model-based batch insights generator' research paradigm for the future, which have the potential to revolutionize the biomedical field.
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Affiliation(s)
- Wang Heran
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, 110169, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Liu Xin
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Gu Qi
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zheng Xiongfei
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, 110169, China
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32
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Cai L, Luo Z, Chen H, Zhao Y. Lithographic Microneedle-Motors from Multimodal Microfluidics for Cargo Delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206108. [PMID: 36587990 DOI: 10.1002/smll.202206108] [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: 10/05/2022] [Revised: 11/04/2022] [Indexed: 06/17/2023]
Abstract
Micromotors have led to an unprecedented revolution in the field of cargo delivery. Attempts in this area trend toward enriching their structures and improving their functions to promote their further applications. Herein, novel microneedle-motors (MNMs) for active drug delivery through a flexible multimodal microfluidic lithographic approach are presented. The multimodal microfluidics is composed of a co-flow geometry-derived droplet fluid and an active cargo mixed laminar flow in a triangular microchannel. The MNMs with sharp tips and spherical fuel-loading cavities are obtained continuously from microfluidics with the assistance of flow lithography. The structural parameters of the MNMs could be precisely tailored by simply choosing the flow speed or the shape of the photomask. As the actives are mixed into the phase solution during the generation, the resultant MNMs are loaded with cargoes for direct applications without any extra complex operation. Based on these features, it is demonstrated that with sharp tips and autonomous movement, the MNMs can efficiently penetrate the tissue-like substrates, indicating the potential in overcoming physiological barriers for cargo release. These results indicate that the proposed multimodal microfluidic lithographic MNMs are valuable for practical active cargo delivery in biomedical and other relative areas.
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Affiliation(s)
- Lijun Cai
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Zhiqiang Luo
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Hanxu Chen
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325001, China
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33
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Wu CA, Zhu Y, Venkatesh A, Stark CJ, Lee SH, Woo YJ. Optimization of Freeform Reversible Embedding of Suspended Hydrogel Microspheres for Substantially Improved Three-Dimensional Bioprinting Capabilities. Tissue Eng Part C Methods 2023; 29:85-94. [PMID: 36719778 PMCID: PMC10024587 DOI: 10.1089/ten.tec.2022.0214] [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: 12/15/2022] [Accepted: 01/23/2023] [Indexed: 02/01/2023] Open
Abstract
Three-dimensional (3D) bioprinting demonstrates technology that is capable of producing structures comparable to native tissues in the human body. The freeform reversible embedding of suspended hydrogels (FRESH) technique involves hydrogel-based bio-inks printed within a thermo-reversible support bath to provide mechanical strength to the printed construct. Smaller and more uniform microsphere sizes of FRESH were reported to aid in enhancing printing resolution and construct accuracy. Therefore, we sought to optimize the FRESH generation protocol, particularly by varying stir speed and stir duration, in hopes to further improve microsphere size and uniformity. We observed optimal conditions at a stir speed of 600 rpm and stir duration for 20 h that generated the smallest microspheres with the best uniformity. Comparison of using the optimized FRESH to the commercial FRESH LifeSupport to bioprint single filament and geometrical constructs revealed reduced single filament diameters and higher angular precision in the optimized FRESH bio-printed constructs compared with those printed in the commercial FRESH. Overall, our refinement of the FRESH manufacturing protocol represents an important step toward enhancing 3D bioprinting resolution and construct fidelity. Improving such technologies allows for the fabrication of highly accurate constructs with anatomical properties similar to native counterparts. Such work has significant implications in the field of tissue engineering for producing accurate human organ model systems. Impact statement Freeform reversible embedding of suspended hydrogels (FRESH) is a method of sacrificial three-dimensional (3D) bioprinting that offers support to reinforce bio-ink extrusion during printing. During FRESH generation, the stir speed and stir duration of the mixture can significantly impact FRESH microsphere characteristics. In this study, we optimized FRESH microspheres to significantly improve resolution and accuracy in bioprinting. This advancement in FRESH-based 3D bioprinting technologies allows for the fabrication of highly accurate constructs with anatomical properties similar to native counterparts and has significant implications in the field of tissue engineering and translational medicine.
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Affiliation(s)
- Catherine A. Wu
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
| | - Yuanjia Zhu
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
- Department of Bioengineering, Stanford University, Stanford, California, USA
| | - Akshay Venkatesh
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
| | - Charles J. Stark
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
| | - Seung Hyun Lee
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
| | - Y. Joseph Woo
- Department of Cardiothoracic Surgery and Stanford University, Stanford, California, USA
- Department of Bioengineering, Stanford University, Stanford, California, USA
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34
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Zhang S, Chen X, Shan M, Hao Z, Zhang X, Meng L, Zhai Z, Zhang L, Liu X, Wang X. Convergence of 3D Bioprinting and Nanotechnology in Tissue Engineering Scaffolds. Biomimetics (Basel) 2023; 8:biomimetics8010094. [PMID: 36975324 PMCID: PMC10046132 DOI: 10.3390/biomimetics8010094] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
Three-dimensional (3D) bioprinting has emerged as a promising scaffold fabrication strategy for tissue engineering with excellent control over scaffold geometry and microstructure. Nanobiomaterials as bioinks play a key role in manipulating the cellular microenvironment to alter its growth and development. This review first introduces the commonly used nanomaterials in tissue engineering scaffolds, including natural polymers, synthetic polymers, and polymer derivatives, and reveals the improvement of nanomaterials on scaffold performance. Second, the 3D bioprinting technologies of inkjet-based bioprinting, extrusion-based bioprinting, laser-assisted bioprinting, and stereolithography bioprinting are comprehensively itemized, and the advantages and underlying mechanisms are revealed. Then the convergence of 3D bioprinting and nanotechnology applications in tissue engineering scaffolds, such as bone, nerve, blood vessel, tendon, and internal organs, are discussed. Finally, the challenges and perspectives of convergence of 3D bioprinting and nanotechnology are proposed. This review will provide scientific guidance to develop 3D bioprinting tissue engineering scaffolds by nanotechnology.
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Affiliation(s)
- Shike Zhang
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xin Chen
- National Engineering Research Center of Wheat and Corn Further Processing, College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Mengyao Shan
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zijuan Hao
- Henan Innovation Center for Functional Polymer Membrane Materials, Xinxiang 453000, China
| | - Xiaoyang Zhang
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Lingxian Meng
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zhen Zhai
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Linlin Zhang
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xuying Liu
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xianghong Wang
- Henan Innovation Center for Functional Polymer Membrane Materials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
- Correspondence: ; Tel.: +86-371-67739217
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35
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A Drop-on-Demand Bioprinting Approach to Spatially Arrange Multiple Cell Types and Monitor Their Cell-Cell Interactions towards Vascularization Based on Endothelial Cells and Mesenchymal Stem Cells. Cells 2023; 12:cells12040646. [PMID: 36831313 PMCID: PMC9953911 DOI: 10.3390/cells12040646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/22/2023] Open
Abstract
Spheroids, organoids, or cell-laden droplets are often used as building blocks for bioprinting, but so far little is known about the spatio-temporal cellular interactions subsequent to printing. We used a drop-on-demand bioprinting approach to study the biological interactions of such building blocks in dimensions of micrometers. Highly-density droplets (approximately 700 cells in 10 nL) of multiple cell types were patterned in a 3D hydrogel matrix with a precision of up to 70 μm. The patterns were used to investigate interactions of endothelial cells (HUVECs) and adipose-derived mesenchymal stem cells (ASCs), which are related to vascularization. We demonstrated that a gap of 200 μm between HUVEC and ASC aggregates led to decreased sprouting of HUVECs towards ASCs and increased growth from ASCs towards HUVECs. For mixed aggregates containing both cell types, cellular interconnections of ASCs with lengths of up to approximately 800 µm and inhibition of HUVEC sprouting were observed. When ASCs were differentiated into smooth muscle cells (dASCs), separate HUVEC aggregates displayed decreased sprouting towards dASCs, whereas no cellular interconnections nor inhibition of HUVEC sprouting were detected for mixed dASCs/HUVEC aggregates. These findings demonstrate that our approach could be applied to investigate cell-cell interactions of different cell types in 3D co-cultures.
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36
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Huang J, Fu D, Wu X, Li Y, Zheng B, Liu Z, Zhou Y, Gan Y, Miao Y, Hu Z. One-step generation of core-shell biomimetic microspheres encapsulating double-layer cells using microfluidics for hair regeneration. Biofabrication 2023; 15. [PMID: 36608335 DOI: 10.1088/1758-5090/acb107] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 01/06/2023] [Indexed: 01/07/2023]
Abstract
Tissue engineering of hair follicles (HFs) has enormous potential in the treatment of hair loss. HF morphogenesis is triggered by reciprocal interactions between HF germ epithelial and mesenchymal layers. Here, a microfluidic-assisted technology is developed for the preparation of double aqueous microdroplets that entrap double-layer cells and growth factors to ultimately be used for hair regeneration. Mouse mesenchymal cells (MSCs) and epidermal cells (EPCs) are encapsulated in gelatin methacrylate (GelMA) cores and photo-curable catechol-grafted hyaluronic acid (HAD) shells to fabricate GelMA-MSC/HAD-EPC (G/HAD) microspheres. The findings show that the G/HAD microspheres exhibit ultrafast gelation, aqueous phase separation, superior biocompatibility, and favorable wet adhesion properties. G/HAD microspheres can also support cell proliferation and sustain growth factor release. These composite cell microspheres are capable of efficient HF generation upon transplantation into the dorsal dermis of nude mice. This finding facilitates the large-scale preparation of approximately 80 double-layer cell spheres per min. This simple double-layer cell sphere preparation approach is a promising strategy for improving current hair-regenerative medicine techniques and can potentially be applied along with other organoid techniques for extended applications.
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Affiliation(s)
- Junfei Huang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Danlan Fu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Xiaoqi Wu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yue Li
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - BoWen Zheng
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Zhen Liu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yi Zhou
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yuyang Gan
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
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37
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Su M, Ruan L, Dong X, Tian S, Lang W, Wu M, Chen Y, Lv Q, Lei L. Current state of knowledge on intelligent-response biological and other macromolecular hydrogels in biomedical engineering: A review. Int J Biol Macromol 2023; 227:472-492. [PMID: 36549612 DOI: 10.1016/j.ijbiomac.2022.12.148] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/07/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Because intelligent hydrogels have good biocompatibility, a rapid response, and good degradability as well as a stimulus response mode that is rich, hydrophilic, and similar to the softness and elasticity of living tissue, they have received widespread attention and are widely used in biomedical engineering. In this article, we conduct a systematic review of the use of smart hydrogels in biomedical engineering. First, we introduce the properties and applications of hydrogels and compare the similarities and differences between traditional hydrogels and smart hydrogels. Secondly, we summarize the intelligent hydrogel types, the mechanisms of action used by different hydrogels, and the materials for preparing different types of hydrogels, such as the materials for the preparation of temperature-responsive hydrogels, which mainly include gelatin, carrageenan, agarose, amylose, etc.; summarize the morphologies of different hydrogels, such as films, fibers and microspheres; and summarize the application of smart hydrogels in biomedical engineering, such as for the delivery of proteins, antibiotics, deoxyribonucleic acid, etc. Finally, we summarize the shortcomings of current research and present future prospects for smart hydrogels. The purpose of this paper is to provide researchers engaged in related fields with a systematic review of the application of intelligent hydrogels in biomedical engineering. We hope that they will get some inspiration from this work to provide new directions for the development of related fields.
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Affiliation(s)
- Mengrong Su
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Lian Ruan
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Xiaoyu Dong
- Institute of Medicine Nursing, Hubei University of Medicine, Shiyan 442000, China
| | - Shujing Tian
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Wen Lang
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Minhui Wu
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Yujie Chen
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China
| | - Qizhuang Lv
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China; Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China.
| | - Lanjie Lei
- Jiangxi Provincial Key Lab of System Biomedicine, Jiujiang University, Jiujiang 332000, China.
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38
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Singh NK, Kim JY, Lee JY, Lee H, Gao G, Jang J, Kim YK, Cho DW. Coaxial cell printing of a human glomerular model: an in vitroglomerular filtration barrier and its pathophysiology. Biofabrication 2023; 15. [PMID: 36538823 DOI: 10.1088/1758-5090/acad2c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Much effort has been expended in emulating the kidney's glomerular unit because of its limitless potential in the field of drug screening and nephrotoxicity testing in clinics. Herein, we fabricate a functional bilayer glomerular microvessel-on-a-chip that recapitulates the specific arrangement of the glomerular endothelial cell, podocyte layers, and the intervening glomerular basement membrane (GBM) in a single step. Our perfusable chip allows for the co-culture of monolayer glomerular endothelium and podocyte epithelium, which display mature functional markers of glomerular cells, and their proper interactions produce GBM proteins, which are the major components of the GBMin vivo. Furthermore, we test the selective permeability capacity, a representative hallmark function of the glomerular filtration barrier. Lastly, we evaluate the response of our glomerular model to Adriamycin- and hyperglycemia-induced injury to evaluate its applicability for drug screening and glomerular disease modeling.
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Affiliation(s)
- Narendra K Singh
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Division of Biomaterials and Biomechanics, School of Dentistry, Oregon Health and Science University (OHSU), Portland, OR 97201, United States of America.,Cancer Early Detection Advanced Research Center (CEDAR), OHSU-Knight Cancer Institute, Portland, OR 97201, United States of America
| | - Jae Yun Kim
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Jae Yeon Lee
- Department of Companion Animal Health, Daegu Haany University, Gyeongsan, Republic of Korea
| | - Hyungseok Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Department of Mechanical and Biomedical Engineering, Kangwon National University (KNU), Chuncheon, Republic of Korea.,Interdisciplinary Program in Biohealth-Machinery Convergence Engineering, Kangwon National University (KNU), Chuncheon, Republic of Korea
| | - Ge Gao
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Jinah Jang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Department of Convergence IT Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Institute for Convergence Research and Education in Advanced Technology, Yonsei University, Seoul, Republic of Korea
| | - Yong Kyun Kim
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Internal Medicine, College of Medicine, The Catholic University of Korea, St. Vincent's Hospital, Suwon, Republic of Korea.,POSTECH-Catholic Biomedical Engineering Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dong-Woo Cho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.,Institute for Convergence Research and Education in Advanced Technology, Yonsei University, Seoul, Republic of Korea
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39
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Kong Z, Wang X. Bioprinting Technologies and Bioinks for Vascular Model Establishment. Int J Mol Sci 2023; 24:ijms24010891. [PMID: 36614332 PMCID: PMC9821327 DOI: 10.3390/ijms24010891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/12/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023] Open
Abstract
Clinically, large diameter artery defects (diameter larger than 6 mm) can be substituted by unbiodegradable polymers, such as polytetrafluoroethylene. There are many problems in the construction of small diameter blood vessels (diameter between 1 and 3 mm) and microvessels (diameter less than 1 mm), especially in the establishment of complex vascular models with multi-scale branched networks. Throughout history, the vascularization strategies have been divided into three major groups, including self-generated capillaries from implantation, pre-constructed vascular channels, and three-dimensional (3D) printed cell-laden hydrogels. The first group is based on the spontaneous angiogenesis behaviour of cells in the host tissues, which also lays the foundation of capillary angiogenesis in tissue engineering scaffolds. The second group is to vascularize the polymeric vessels (or scaffolds) with endothelial cells. It is hoped that the pre-constructed vessels can be connected with the vascular networks of host tissues with rapid blood perfusion. With the development of bioprinting technologies, various fabrication methods have been achieved to build hierarchical vascular networks with high-precision 3D control. In this review, the latest advances in 3D bioprinting of vascularized tissues/organs are discussed, including new printing techniques and researches on bioinks for promoting angiogenesis, especially coaxial printing, freeform reversible embedded in suspended hydrogel printing, and acoustic assisted printing technologies, and freeform reversible embedded in suspended hydrogel (flash) technology.
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Affiliation(s)
- Zhiyuan Kong
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China
| | - Xiaohong Wang
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China
- Key Laboratory for Advanced Materials Processing Technology, Ministry of Education & Center of Organ Manufacturing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
- Correspondence: ; Tel.: +86-24-3190-0983
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40
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Chliara MA, Elezoglou S, Zergioti I. Bioprinting on Organ-on-Chip: Development and Applications. BIOSENSORS 2022; 12:1135. [PMID: 36551101 PMCID: PMC9775862 DOI: 10.3390/bios12121135] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Organs-on-chips (OoCs) are microfluidic devices that contain bioengineered tissues or parts of natural tissues or organs and can mimic the crucial structures and functions of living organisms. They are designed to control and maintain the cell- and tissue-specific microenvironment while also providing detailed feedback about the activities that are taking place. Bioprinting is an emerging technology for constructing artificial tissues or organ constructs by combining state-of-the-art 3D printing methods with biomaterials. The utilization of 3D bioprinting and cells patterning in OoC technologies reinforces the creation of more complex structures that can imitate the functions of a living organism in a more precise way. Here, we summarize the current 3D bioprinting techniques and we focus on the advantages of 3D bioprinting compared to traditional cell seeding in addition to the methods, materials, and applications of 3D bioprinting in the development of OoC microsystems.
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Affiliation(s)
- Maria Anna Chliara
- School of Applied Mathematics and Physical Sciences, National Technical University of Athens, 15780 Zografou, Greece
- Institute of Communication and Computer Systems, 15780 Zografou, Greece
| | - Stavroula Elezoglou
- School of Applied Mathematics and Physical Sciences, National Technical University of Athens, 15780 Zografou, Greece
- PhosPrint P.C., Lefkippos Technology Park, NCSR Demokritos Patriarchou Grigoriou 5’ & Neapoleos 27, 15341 Athens, Greece
| | - Ioanna Zergioti
- School of Applied Mathematics and Physical Sciences, National Technical University of Athens, 15780 Zografou, Greece
- Institute of Communication and Computer Systems, 15780 Zografou, Greece
- PhosPrint P.C., Lefkippos Technology Park, NCSR Demokritos Patriarchou Grigoriou 5’ & Neapoleos 27, 15341 Athens, Greece
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The application of 3D bioprinting in urological diseases. Mater Today Bio 2022; 16:100388. [PMID: 35967737 PMCID: PMC9364106 DOI: 10.1016/j.mtbio.2022.100388] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/24/2022] [Accepted: 07/27/2022] [Indexed: 12/02/2022] Open
Abstract
Urologic diseases are commonly diagnosed health problems affecting people around the world. More than 26 million people suffer from urologic diseases and the annual expenditure was more than 11 billion US dollars. The urologic cancers, like bladder cancer, prostate cancer and kidney cancer are always the leading causes of death worldwide, which account for approximately 22% and 10% of the new cancer cases and death, respectively. Organ transplantation is one of the major clinical treatments for urological diseases like end-stage renal disease and urethral stricture, albeit strongly limited by the availability of matching donor organs. Tissue engineering has been recognized as a highly promising strategy to solve the problems of organ donor shortage by the fabrication of artificial organs/tissue. This includes the prospective technology of three-dimensional (3D) bioprinting, which has been adapted to various cell types and biomaterials to replicate the heterogeneity of urological organs for the investigation of organ transplantation and disease progression. This review discusses various types of 3D bioprinting methodologies and commonly used biomaterials for urological diseases. The literature shows that advances in this field toward the development of functional urological organs or disease models have progressively increased. Although numerous challenges still need to be tackled, like the technical difficulties of replicating the heterogeneity of urologic organs and the limited biomaterial choices to recapitulate the complicated extracellular matrix components, it has been proved by numerous studies that 3D bioprinting has the potential to fabricate functional urological organs for clinical transplantation and in vitro disease models. Outline the advantages and characteristics of 3D printing compared with traditional methods for urological diseases. Guide the selection of 3D bioprinting technology and material in urological tissue engineering. Discuss the challenges and future perspectives of 3D bioprinting in urological diseases and clinical translation.
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Xuan Z, Zachar V, Pennisi CP. Sources, Selection, and Microenvironmental Preconditioning of Cells for Urethral Tissue Engineering. Int J Mol Sci 2022; 23:ijms232214074. [PMID: 36430557 PMCID: PMC9697333 DOI: 10.3390/ijms232214074] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022] Open
Abstract
Urethral stricture is a common urinary tract disorder in men that can be caused by iatrogenic causes, trauma, inflammation, or infection and often requires reconstructive surgery. The current therapeutic approach for complex urethral strictures usually involves reconstruction with autologous tissue from the oral mucosa. With the goal of overcoming the lack of sufficient autologous tissue and donor site morbidity, research over the past two decades has focused on cell-based tissue-engineered substitutes. While the main focus has been on autologous cells from the penile tissue, bladder, and oral cavity, stem cells from sources such as adipose tissue and urine are competing candidates for future urethral regeneration due to their ease of collection, high proliferative capacity, maturation potential, and paracrine function. This review addresses the sources, advantages, and limitations of cells for tissue engineering in the urethra and discusses recent approaches to improve cell survival, growth, and differentiation by mimicking the mechanical and biophysical properties of the extracellular environment.
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Emerging biomaterials and technologies to control stem cell fate and patterning in engineered 3D tissues and organoids. Biointerphases 2022; 17:060801. [DOI: 10.1116/6.0002034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The ability to create complex three-dimensional cellular models that can effectively replicate the structure and function of human organs and tissues in vitro has the potential to revolutionize medicine. Such models could facilitate the interrogation of developmental and disease processes underpinning fundamental discovery science, vastly accelerate drug development and screening, or even be used to create tissues for implantation into the body. Realization of this potential, however, requires the recreation of complex biochemical, biophysical, and cellular patterns of 3D tissues and remains a key challenge in the field. Recent advances are being driven by improved knowledge of tissue morphogenesis and architecture and technological developments in bioengineering and materials science that can create the multidimensional and dynamic systems required to produce complex tissue microenvironments. In this article, we discuss challenges for in vitro models of tissues and organs and summarize the current state-of-the art in biomaterials and bioengineered systems that aim to address these challenges. This includes both top-down technologies, such as 3D photopatterning, magnetism, acoustic forces, and cell origami, as well as bottom-up patterning using 3D bioprinting, microfluidics, cell sheet technology, or composite scaffolds. We illustrate the varying ways that these can be applied to suit the needs of different tissues and applications by focussing on specific examples of patterning the bone-tendon interface, kidney organoids, and brain cancer models. Finally, we discuss the challenges and future prospects in applying materials science and bioengineering to develop high-quality 3D tissue structures for in vitro studies.
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Wang D, Maharjan S, Kuang X, Wang Z, Mille LS, Tao M, Yu P, Cao X, Lian L, Lv L, He JJ, Tang G, Yuk H, Ozaki CK, Zhao X, Zhang YS. Microfluidic bioprinting of tough hydrogel-based vascular conduits for functional blood vessels. SCIENCE ADVANCES 2022; 8:eabq6900. [PMID: 36288300 PMCID: PMC9604524 DOI: 10.1126/sciadv.abq6900] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Three-dimensional (3D) bioprinting of vascular tissues that are mechanically and functionally comparable to their native counterparts is an unmet challenge. Here, we developed a tough double-network hydrogel (bio)ink for microfluidic (bio)printing of mono- and dual-layered hollow conduits to recreate vein- and artery-like tissues, respectively. The tough hydrogel consisted of energy-dissipative ionically cross-linked alginate and elastic enzyme-cross-linked gelatin. The 3D bioprinted venous and arterial conduits exhibited key functionalities of respective vessels including relevant mechanical properties, perfusability, barrier performance, expressions of specific markers, and susceptibility to severe acute respiratory syndrome coronavirus 2 pseudo-viral infection. Notably, the arterial conduits revealed physiological vasoconstriction and vasodilatation responses. We further explored the feasibility of these conduits for vascular anastomosis. Together, our study presents biofabrication of mechanically and functionally relevant vascular conduits, showcasing their potentials as vascular models for disease studies in vitro and as grafts for vascular surgeries in vivo, possibly serving broad biomedical applications in the future.
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Affiliation(s)
- Di Wang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, P. R. China
| | - Sushila Maharjan
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Xiao Kuang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Zixuan Wang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Luis S. Mille
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Ming Tao
- Department of Surgery and the Heart and Vascular Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Peng Yu
- Department of Surgery and the Heart and Vascular Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Xia Cao
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Liming Lian
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Li Lv
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Jacqueline Jialu He
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Guosheng Tang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Hyunwoo Yuk
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - C. Keith Ozaki
- Department of Surgery and the Heart and Vascular Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Corresponding author. (Y.S.Z.); (X.Z.); (C.K.O.)
| | - Xuanhe Zhao
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Corresponding author. (Y.S.Z.); (X.Z.); (C.K.O.)
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- Corresponding author. (Y.S.Z.); (X.Z.); (C.K.O.)
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Lv W, Zhou H, Aazmi A, Yu M, Xu X, Yang H, Huang YYS, Ma L. Constructing biomimetic liver models through biomaterials and vasculature engineering. Regen Biomater 2022; 9:rbac079. [PMID: 36338176 PMCID: PMC9629974 DOI: 10.1093/rb/rbac079] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/19/2022] [Accepted: 10/08/2022] [Indexed: 04/04/2024] Open
Abstract
The occurrence of various liver diseases can lead to organ failure of the liver, which is one of the leading causes of mortality worldwide. Liver tissue engineering see the potential for replacing liver transplantation and drug toxicity studies facing donor shortages. The basic elements in liver tissue engineering are cells and biomaterials. Both mature hepatocytes and differentiated stem cells can be used as the main source of cells to construct spheroids and organoids, achieving improved cell function. To mimic the extracellular matrix (ECM) environment, biomaterials need to be biocompatible and bioactive, which also help support cell proliferation and differentiation and allow ECM deposition and vascularized structures formation. In addition, advanced manufacturing approaches are required to construct the extracellular microenvironment, and it has been proved that the structured three-dimensional culture system can help to improve the activity of hepatocytes and the characterization of specific proteins. In summary, we review biomaterials for liver tissue engineering, including natural hydrogels and synthetic polymers, and advanced processing techniques for building vascularized microenvironments, including bioassembly, bioprinting and microfluidic methods. We then summarize the application fields including transplant and regeneration, disease models and drug cytotoxicity analysis. In the end, we put the challenges and prospects of vascularized liver tissue engineering.
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Affiliation(s)
- Weikang Lv
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
| | - Hongzhao Zhou
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
| | - Abdellah Aazmi
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
| | - Mengfei Yu
- The Affiliated Stomatologic Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Xiaobin Xu
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Huayong Yang
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
| | | | - Liang Ma
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China
- School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
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46
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Tan Q, Le H, Tang C, Zhang M, Yang W, Hong Y, Wang X. Tailor-made natural and synthetic grafts for precise urethral reconstruction. J Nanobiotechnology 2022; 20:392. [PMID: 36045428 PMCID: PMC9429763 DOI: 10.1186/s12951-022-01599-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
Injuries to the urethra can be caused by malformations, trauma, inflammation, or carcinoma, and reconstruction of the injured urethra is still a significant challenge in clinical urology. Implanting grafts for urethroplasty and end-to-end anastomosis are typical clinical interventions for urethral injury. However, complications and high recurrence rates remain unsatisfactory. To address this, urethral tissue engineering provides a promising modality for urethral repair. Additionally, developing tailor-made biomimetic natural and synthetic grafts is of great significance for urethral reconstruction. In this work, tailor-made biomimetic natural and synthetic grafts are divided into scaffold-free and scaffolded grafts according to their structures, and the influence of different graft structures on urethral reconstruction is discussed. In addition, future development and potential clinical application strategies of future urethral reconstruction grafts are predicted.
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Affiliation(s)
- Qinyuan Tan
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Hanxiang Le
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, People's Republic Of China
| | - Chao Tang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Ming Zhang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Weijie Yang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Yazhao Hong
- Department of Pediatric Surgery, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Street, Nanjing, 210029, People's Republic Of China.
| | - Xiaoqing Wang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China.
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Salg GA, Blaeser A, Gerhardus JS, Hackert T, Kenngott HG. Vascularization in Bioartificial Parenchymal Tissue: Bioink and Bioprinting Strategies. Int J Mol Sci 2022; 23:ijms23158589. [PMID: 35955720 PMCID: PMC9369172 DOI: 10.3390/ijms23158589] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/19/2022] [Accepted: 08/01/2022] [Indexed: 11/17/2022] Open
Abstract
Among advanced therapy medicinal products, tissue-engineered products have the potential to address the current critical shortage of donor organs and provide future alternative options in organ replacement therapy. The clinically available tissue-engineered products comprise bradytrophic tissue such as skin, cornea, and cartilage. A sufficient macro- and microvascular network to support the viability and function of effector cells has been identified as one of the main challenges in developing bioartificial parenchymal tissue. Three-dimensional bioprinting is an emerging technology that might overcome this challenge by precise spatial bioink deposition for the generation of a predefined architecture. Bioinks are printing substrates that may contain cells, matrix compounds, and signaling molecules within support materials such as hydrogels. Bioinks can provide cues to promote vascularization, including proangiogenic signaling molecules and cocultured cells. Both of these strategies are reported to enhance vascularization. We review pre-, intra-, and postprinting strategies such as bioink composition, bioprinting platforms, and material deposition strategies for building vascularized tissue. In addition, bioconvergence approaches such as computer simulation and artificial intelligence can support current experimental designs. Imaging-derived vascular trees can serve as blueprints. While acknowledging that a lack of structured evidence inhibits further meta-analysis, this review discusses an end-to-end process for the fabrication of vascularized, parenchymal tissue.
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Affiliation(s)
- Gabriel Alexander Salg
- Department of General-, Visceral-, and Transplantation Surgery, University Hospital Heidelberg, D-69120 Heidelberg, Germany;
- Correspondence: (G.A.S.); (H.G.K.); Tel.: +49-6221-56310306 (G.A.S.); +49-6221-5636611 (H.G.K.)
| | - Andreas Blaeser
- Institute for BioMedical Printing Technology, Technical University Darmstadt, D-64289 Darmstadt, Germany; (A.B.); (J.S.G.)
- Center for Synthetic Biology, Technical University Darmstadt, D-64289 Darmstadt, Germany
| | - Jamina Sofie Gerhardus
- Institute for BioMedical Printing Technology, Technical University Darmstadt, D-64289 Darmstadt, Germany; (A.B.); (J.S.G.)
| | - Thilo Hackert
- Department of General-, Visceral-, and Transplantation Surgery, University Hospital Heidelberg, D-69120 Heidelberg, Germany;
| | - Hannes Goetz Kenngott
- Department of General-, Visceral-, and Transplantation Surgery, University Hospital Heidelberg, D-69120 Heidelberg, Germany;
- Correspondence: (G.A.S.); (H.G.K.); Tel.: +49-6221-56310306 (G.A.S.); +49-6221-5636611 (H.G.K.)
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48
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Gonçalves RC, Vilabril S, Neves CMSS, Freire MG, Coutinho JAP, Oliveira MB, Mano JF. All-Aqueous Freeform Fabrication of Perfusable Self-Standing Soft Compartments. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200352. [PMID: 35695028 DOI: 10.1002/adma.202200352] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Compartmentalized structures obtained in all-aqueous settings have shown promising properties as cell encapsulation devices, as well as reactors for trans-membrane chemical reactions. While most approaches focus on the preparation of spherical devices, advances on the production of complex architectures have been enabled by the interfacial stability conferred by emulsion systems, namely mild aqueous two-phase systems (ATPS), or non-equilibrated analogues. However, the application of non-spherical structures has mostly been reported while keeping the fabricated materials at a stable interface, limiting the free-standing character, mobility and transposition of the obtained structures to different setups. Here, the fabrication of self-standing, malleable and perfusable tubular systems through all-aqueous interfacial assembly is shown, culminating in the preparation of independent objects with stability and homogeneity after disruption of the polymer-based aqueous separating system. Those hollow structures can be fabricated with a variety of widths, and rapidly printed as long structures at flow rates of 15 mm s-1 . The materials are used as compartments for cell culture, showcasing high cytocompatibility, and can be tailored to promote cell adhesion. Such structures may find application in fields that benefit from freeform tubular structures, including the biomedical field with, for example, cell encapsulation, and benchtop preparation of microfluidic devices.
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Affiliation(s)
- Raquel C Gonçalves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Sara Vilabril
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Catarina M S S Neves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Mara G Freire
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - João A P Coutinho
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal
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Hu X, Zheng J, Hu Q, Liang L, Yang D, Cheng Y, Li SS, Chen LJ, Yang Y. Smart acoustic 3D cell construct assembly with high-resolution. Biofabrication 2022; 14. [PMID: 35764072 DOI: 10.1088/1758-5090/ac7c90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/22/2022] [Indexed: 11/12/2022]
Abstract
Precise and flexible three-dimensional (3D) cell construct assembly using external forces or fields can produce micro-scale cellular architectures with intercellular connections, which is an important prerequisite to reproducing the structures and functions of biological systems. Currently, it is also a substantial challenge in the bioengineering field. Here, we propose a smart acoustic 3D cell assembly strategy that utilizes a 3D printed module and hydrogel sheets. Digitally controlled six wave beams offer a high degree of freedom (including wave vector combination, frequency, phase, and amplitude) that enables versatile biomimetic micro cellular patterns in hydrogel sheets. Further, replaceable frames can be used to fix the acoustic-built micro-scale cellular structures in these sheets, enabling user-defined hierarchical or heterogeneous constructs through layer-by-layer assembly. This strategy can be employed to construct vasculature with different diameters and lengths, composed of human umbilical vein endothelial cells and smooth muscle cells. These constructs can also induce controllable vascular network formation. Overall, the findings of this work extend the capabilities of acoustic cell assembly into 3D space, offering advantages including innovative, flexible, and precise patterning, and displaying great potential for the manufacture of various artificial tissue structures that duplicate in vivo functions.
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Affiliation(s)
- Xuejia Hu
- School of Electronic Science and Engineering, Xiamen University, Xiamen University, No. 422 Siming south road, Xiamen, Fujian, 361005, CHINA
| | - Jingjing Zheng
- School of physics and engineering, Wuhan University, luojia mountain street, Wuhan, Wuhan, Hubei, 430072, CHINA
| | - Qinghao Hu
- School of physics and engineering, Wuhan University, luojia street, Wuhan, Wuhan, Hubei, 430072, CHINA
| | - Li Liang
- School of Physics and Electronic Technology, Anhui Normal University, No. 189 of jiuhua south road, Wuhu, Wuhu, Anhui, 241000, CHINA
| | - Dongyong Yang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, No. 238, Jiefang road, Wuhan, Hubei, 430060, CHINA
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, No. 238, Jiefang road, Wuhan, Hubei, 430060, CHINA
| | - Sen-Sen Li
- School of Electronic Science and Engineering, Xiamen University, Xiamen University, No. 422 Siming south road, Xiamen, Fujian, 361005, CHINA
| | - Lu-Jian Chen
- School of Electronic Science and Engineering, Xiamen University, Xiamen University, No. 422 Siming south road, Xiamen, Fujian, 361005, CHINA
| | - Yi Yang
- School of physics and engineering, Wuhan University, luojia street, Wuhan, Wuhan, Hubei, 430072, CHINA
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符 舟, 肖 树, 符 伟. [Research advances of three-dimensional bioprinting technology in urinary system tissue engineering]. SHENG WU YI XUE GONG CHENG XUE ZA ZHI = JOURNAL OF BIOMEDICAL ENGINEERING = SHENGWU YIXUE GONGCHENGXUE ZAZHI 2022; 39:639-644. [PMID: 35788535 PMCID: PMC10950772 DOI: 10.7507/1001-5515.202107061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 04/14/2022] [Indexed: 06/15/2023]
Abstract
For the damage and loss of tissues and organs caused by urinary system diseases, the current clinical treatment methods have limitations. Tissue engineering provides a therapeutic method that can replace or regenerate damaged tissues and organs through the research of cells, biological scaffolds and biologically related molecules. As an emerging manufacturing technology, three-dimensional (3D) bioprinting technology can accurately control the biological materials carrying cells, which further promotes the development of tissue engineering. This article reviews the research progress and application of 3D bioprinting technology in tissue engineering of kidney, ureter, bladder, and urethra. Finally, the main current challenges and future prospects are discussed.
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Affiliation(s)
- 舟洋 符
- 解放军医学院(北京 100853)Chinese PLA Medical School, Beijing 100853, P. R. China
| | - 树伟 肖
- 解放军医学院(北京 100853)Chinese PLA Medical School, Beijing 100853, P. R. China
| | - 伟军 符
- 解放军医学院(北京 100853)Chinese PLA Medical School, Beijing 100853, P. R. China
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