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Du X, Jia H, Chang Y, Zhao Y, Song J. Progress of organoid platform in cardiovascular research. Bioact Mater 2024; 40:88-103. [PMID: 38962658 PMCID: PMC11220467 DOI: 10.1016/j.bioactmat.2024.05.043] [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: 03/04/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 07/05/2024] Open
Abstract
Cardiovascular disease is a significant cause of death in humans. Various models are necessary for the study of cardiovascular diseases, but once cellular and animal models have some defects, such as insufficient fidelity. As a new technology, organoid has certain advantages and has been used in many applications in the study of cardiovascular diseases. This article aims to summarize the application of organoid platforms in cardiovascular diseases, including organoid construction schemes, modeling, and application of cardiovascular organoids. Advances in cardiovascular organoid research have provided many models for different cardiovascular diseases in a variety of areas, including myocardium, blood vessels, and valves. Physiological and pathological models of different diseases, drug research models, and methods for evaluating and promoting the maturation of different kinds of organ tissues are provided for various cardiovascular diseases, including cardiomyopathy, myocardial infarction, and atherosclerosis. This article provides a comprehensive overview of the latest research progress in cardiovascular organ tissues, including construction protocols for cardiovascular organoid tissues and their evaluation system, different types of disease models, and applications of cardiovascular organoid models in various studies. The problems and possible solutions in organoid development are summarized.
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Affiliation(s)
- Xingchao Du
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Science, PUMC, 167 Beilishi Road, Xicheng District, Beijing, 100037, China
| | - Hao Jia
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Science, PUMC, 167 Beilishi Road, Xicheng District, Beijing, 100037, China
| | - Yuan Chang
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Science, PUMC, 167 Beilishi Road, Xicheng District, Beijing, 100037, China
| | - Yiqi Zhao
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Science, PUMC, 167 Beilishi Road, Xicheng District, Beijing, 100037, China
| | - Jiangping Song
- Beijing Key Laboratory of Preclinical Research and Evaluation for Cardiovascular Implant Materials, Animal Experimental Centre, National Centre for Cardiovascular Disease, Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, Chinese Academy of Medical Science, PUMC, 167 Beilishi Road, Xicheng District, Beijing, 100037, China
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Mi CH, Qi XY, Zhou YW, Ding YW, Wei DX, Wang Y. Advances in medical polyesters for vascular tissue engineering. DISCOVER NANO 2024; 19:125. [PMID: 39115796 PMCID: PMC11310390 DOI: 10.1186/s11671-024-04073-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 07/25/2024] [Indexed: 08/11/2024]
Abstract
Blood vessels are highly dynamic and complex structures with a variety of physiological functions, including the transport of oxygen, nutrients, and metabolic wastes. Their normal functioning involves the close and coordinated cooperation of a variety of cells. However, adverse internal and external environmental factors can lead to vascular damage and the induction of various vascular diseases, including atherosclerosis and thrombosis. This can have serious consequences for patients, and there is an urgent need for innovative techniques to repair damaged blood vessels. Polyesters have been extensively researched and used in the treatment of vascular disease and repair of blood vessels due to their excellent mechanical properties, adjustable biodegradation time, and excellent biocompatibility. Given the high complexity of vascular tissues, it is still challenging to optimize the utilization of polyesters for repairing damaged blood vessels. Nevertheless, they have considerable potential for vascular tissue engineering in a range of applications. This summary reviews the physicochemical properties of polyhydroxyalkanoate (PHA), polycaprolactone (PCL), poly-lactic acid (PLA), and poly(lactide-co-glycolide) (PLGA), focusing on their unique applications in vascular tissue engineering. Polyesters can be prepared not only as 3D scaffolds to repair damage as an alternative to vascular grafts, but also in various forms such as microspheres, fibrous membranes, and nanoparticles to deliver drugs or bioactive ingredients to damaged vessels. Finally, it is anticipated that further developments in polyesters will occur in the near future, with the potential to facilitate the wider application of these materials in vascular tissue engineering.
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Affiliation(s)
- Chen-Hui Mi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Xin-Ya Qi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Yan-Wen Zhou
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Yan-Wen Ding
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Dai-Xu Wei
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- School of Clinical Medicine, Chengdu University, Chengdu, China.
- Shaanxi Key Laboratory for Carbon-Neutral Technology, Xi'an, 710069, China.
| | - Yong Wang
- Department of Interventional Radiology and Vascular Surgery, Second Affiliated Hospital of Hainan Medical University, Haikou, China.
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Chen Z, Fan L, Chen S, Zhao H, Zhang Q, Qu Y, Huang Y, Yu X, Sun D. Artificial Vascular with Pressure-Responsive Property based on Deformable Microfluidic Channels. Adv Healthc Mater 2024; 13:e2304532. [PMID: 38533604 DOI: 10.1002/adhm.202304532] [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: 12/19/2023] [Revised: 03/18/2024] [Indexed: 03/28/2024]
Abstract
In vitro blood vessel models are significant for disease modeling, drug assays, and therapeutic development. Microfluidic technologies allow to create physiologically relevant culture models reproducing the features of the in vivo vascular microenvironment. However, current microfluidic technologies are limited by impractical rectangular cross-sections and single or nonsynchronous compound mechanical stimuli. This study proposes a new strategy for creating round-shaped deformable soft microfluidic channels to serve as artificial in vitro vasculature for developing in vitro models with vascular physio-mechanical microenvironments. Endothelial cells seeded into vascular models are used to assess the effects of a remodeled in vivo mechanical environment. Furthermore, a 3D stenosis model is constructed to recapitulate the flow disturbances in atherosclerosis. Soft microchannels can also be integrated into traditional microfluidics to realize multifunctional composite systems. This technology provides new insights into applying microfluidic chips and a prospective approach for constructing in vitro blood vessel models.
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Affiliation(s)
- Zhenlin Chen
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Hong Kong Center for Cerebra-Cardiovascular Health Engineering, Hong Kong Science Park, New Territories, Hong Kong, 999077, China
| | - Lei Fan
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Centre for Robotics and Automation, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, China
| | - Shuxun Chen
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Han Zhao
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Qiang Zhang
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Yun Qu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Ya Huang
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Xinge Yu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Hong Kong Center for Cerebra-Cardiovascular Health Engineering, Hong Kong Science Park, New Territories, Hong Kong, 999077, China
| | - Dong Sun
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Hong Kong Center for Cerebra-Cardiovascular Health Engineering, Hong Kong Science Park, New Territories, Hong Kong, 999077, China
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Zheng H, Tai L, Xu C, Wang W, Ma Q, Sun W. Microfluidic-based cardiovascular systems for advanced study of atherosclerosis. J Mater Chem B 2024. [PMID: 38948949 DOI: 10.1039/d4tb00756e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Atherosclerosis (AS) is a significant global health concern due to its high morbidity and mortality rates. Extensive efforts have been made to replicate the cardiovascular system and explore the pathogenesis, diagnosis, and treatment of AS. Microfluidics has emerged as a valuable technology for modeling the cardiovascular system and studying AS. Here a brief review of the advances of microfluidic-based cardiovascular systems for AS research is presented. The critical pathogenetic mechanisms of AS investigated by microfluidic-based cardiovascular systems are categorized and reviewed, with a detailed summary of accurate diagnostic methods for detecting biomarkers using microfluidics represented. Furthermore, the review covers the evaluation and screening of AS drugs assisted by microfluidic systems, along with the fabrication of novel drug delivery carriers. Finally, the challenges and future prospects for advancing microfluidic-based cardiovascular systems in AS research are discussed and proposed, particularly regarding new opportunities in multi-disciplinary fundamental research and therapeutic applications for a broader range of disease treatments.
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Affiliation(s)
- Huiyuan Zheng
- School of Pharmacy, Qingdao University, Qingdao 266071, China.
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266113, China.
| | - Lei Tai
- Pharmacy Department, Shandong Qingdao Hospital of Integrated Traditional and Western Medicine, Qingdao 266002, China
| | - Chengbin Xu
- Pharmacy Department, Shandong Qingdao Hospital of Integrated Traditional and Western Medicine, Qingdao 266002, China
| | - Weijiang Wang
- School of Pharmacy, Qingdao University, Qingdao 266071, China.
| | - Qingming Ma
- School of Pharmacy, Qingdao University, Qingdao 266071, China.
| | - Wentao Sun
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao 266113, China.
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Hall E, Mendiola K, Lightsey NK, Hanjaya-Putra D. Mimicking blood and lymphatic vasculatures using microfluidic systems. BIOMICROFLUIDICS 2024; 18:031502. [PMID: 38726373 PMCID: PMC11081709 DOI: 10.1063/5.0175154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 04/04/2024] [Indexed: 05/12/2024]
Abstract
The role of the circulatory system, containing the blood and lymphatic vasculatures, within the body, has become increasingly focused on by researchers as dysfunction of either of the systems has been linked to serious complications and disease. Currently, in vivo models are unable to provide the sufficient monitoring and level of manipulation needed to characterize the fluidic dynamics of the microcirculation in blood and lymphatic vessels; thus in vitro models have been pursued as an alternative model. Microfluidic devices have the required properties to provide a physiologically relevant circulatory system model for research as well as the experimental tools to conduct more advanced research analyses of microcirculation flow. In this review paper, the physiological behavior of fluid flow and electrical communication within the endothelial cells of the systems are detailed and discussed to highlight their complexities. Cell co-culturing methods and other relevant organ-on-a-chip devices will be evaluated to demonstrate the feasibility and relevance of the in vitro microfluidic model. Microfluidic systems will be determined as a noteworthy model that can display physiologically relevant flow of the cardiovascular and lymphatic systems, which will enable researchers to investigate the systems' prevalence in diseases and identify potential therapeutics.
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Affiliation(s)
- Eva Hall
- Aerospace and Mechanical Engineering, Bioengineering Graduate Program, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | | | - N. Keilany Lightsey
- Aerospace and Mechanical Engineering, Bioengineering Graduate Program, University of Notre Dame, Notre Dame, Indiana 46556, USA
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Nam U, Kim J, Yi HG, Jeon JS. Investigation of the Dysfunction Caused by High Glucose, Advanced Glycation End Products, and Interleukin-1 Beta and the Effects of Therapeutic Agents on the Microphysiological Artery Model. Adv Healthc Mater 2024:e2302682. [PMID: 38575148 DOI: 10.1002/adhm.202302682] [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: 08/15/2023] [Revised: 03/31/2024] [Indexed: 04/06/2024]
Abstract
Diabetes mellitus (DM) has substantial global implications and contributes to vascular inflammation and the onset of atherosclerotic cardiovascular diseases. However, translating the findings from animal models to humans has inherent limitations, necessitating a novel platform. Therefore, herein, an arterial model is established using a microphysiological system. This model successfully replicates the stratified characteristics of human arteries by integrating collagen, endothelial cells (ECs), and vascular smooth muscle cells (VSMCs). Perfusion via a peristaltic pump shows dynamic characteristics distinct from those of static culture models. High glucose, advanced glycation end products (AGEs), and interleukin-1 beta are employed to stimulate diabetic conditions, resulting in notable cellular changes and different levels of cytokines and nitric oxide. Additionally, the interactions between the disease models and oxidized low-density lipoproteins (LDL) are examined. Finally, the potential therapeutic effects of metformin, atorvastatin, and diphenyleneiodonium are investigated. Metformin and diphenyleneiodonium mitigate high-glucose- and AGE-associated pathological changes, whereas atorvastatin affects only the morphology of ECs. Altogether, the arterial model represents a pivotal advancement, offering a robust and insightful platform for investigating cardiovascular diseases and their corresponding drug development.
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Affiliation(s)
- Ungsig Nam
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
- Center for Scientific Instrumentation, Korea Basic Science Institute (KBSI), Daejeon, 34133, Republic of Korea
| | - Jaesang Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Hee-Gyeong Yi
- Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Jessie S Jeon
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
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Kim HJ, Park S, Jeong S, Kim J, Cho YJ. Lung Organoid on a Chip: A New Ensemble Model for Preclinical Studies. Int J Stem Cells 2024; 17:30-37. [PMID: 37816583 PMCID: PMC10899883 DOI: 10.15283/ijsc23090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/05/2023] [Accepted: 09/08/2023] [Indexed: 10/12/2023] Open
Abstract
The lung is a complex organ comprising a branched airway that connects the large airway and millions of terminal gas-exchange units. Traditional pulmonary biomedical research by using cell line model system have limitations such as lack of cellular heterogeneity, animal models also have limitations including ethical concern, race-to-race variations, and physiological differences found in vivo. Organoids and on-a-chip models offer viable solutions for these issues. Organoids are three-dimensional, self-organized construct composed of numerous cells derived from stem cells cultured with growth factors required for the maintenance of stem cells. On-a-chip models are biomimetic microsystems which are able to customize to use microfluidic systems to simulate blood flow in blood channels or vacuum to simulate human breathing. This review summarizes the key components and previous biomedical studies conducted on lung organoids and lung-on-a-chip models, and introduces potential future applications. Considering the importance and benefits of these model systems, we believe that the system will offer better platform to biomedical researchers on pulmonary diseases, such as emerging viral infection, progressive fibrotic pulmonary diseases, or primary or metastatic lung cancer.
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Affiliation(s)
- Hyung-Jun Kim
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sohyun Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Seonghyeon Jeong
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jihoon Kim
- Department of Medical and Biological Sciences, The Catholic University of Korea, Bucheon, Korea
| | - Young-Jae Cho
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
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Sakai K, Miura S, Teshima TF, Goto T, Takeuchi S, Yamaguchi M. Small-artery-mimicking multi-layered 3D co-culture in a self-folding porous graphene-based film. NANOSCALE HORIZONS 2023; 8:1529-1536. [PMID: 37782508 DOI: 10.1039/d3nh00304c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
In vitro vessel-mimicking models have been spotlighted as a powerful tool for investigating cellular behaviours in vascular development and diseases. However, it is still challenging to create micro-scale tubular tissues while mimicking the structural features of small arteries. Here, we propose a 3D culture model of small vascular tissue using a self-folding graphene-based porous film. Vascular endothelial cells were encapsulated within the self-folding film to create a cellular construct with a controlled curvature radius ranging from 10 to 100 μm, which is comparable to the size of a human arteriole. Additionally, vascular endothelial cells and smooth muscle cells were separately co-cultured on the inner and outer surfaces of the folded film, respectively. The porous wall worked as a permeable barrier between them, affecting the cell-cell communications like the extracellular layer in the artery wall. Thus, the culture model recapitulates the structural features of a small artery and will help us better understand intercellular communications at the artery wall in physiological and pathological conditions.
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Affiliation(s)
- Koji Sakai
- NTT Basic Research Laboratories and Bio-Medical Informatics Research Center, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198, Japan.
| | - Shigenori Miura
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
| | - Tetsuhiko F Teshima
- Medical and Health Informatics Laboratories, NTT Research Incorporated, 940 Stewart Dr, Sunnyvale, CA, 94085, USA
| | - Toichiro Goto
- NTT Basic Research Laboratories and Bio-Medical Informatics Research Center, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198, Japan.
| | - Shoji Takeuchi
- Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- International Research Center for Neurointelligence (WPI-IRCN), The University of Tokyo Institutes for Advanced Study (UTIAS), The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masumi Yamaguchi
- NTT Basic Research Laboratories and Bio-Medical Informatics Research Center, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198, Japan.
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Sui C, Lee W. Role of interleukin 6 and its soluble receptor on the diffusion barrier dysfunction of alveolar tissue. Biomed Microdevices 2023; 25:40. [PMID: 37851124 DOI: 10.1007/s10544-023-00680-0] [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] [Accepted: 10/03/2023] [Indexed: 10/19/2023]
Abstract
During respiratory infection, barrier dysfunction in alveolar tissue can result from "cytokine storm" caused by overly reactive immune response. Particularly, interleukin 6 (IL-6) is implicated as a key biomarker of cytokine storm responsible for and further progression to pulmonary edema. In this study, alveolar-like tissue was reconstructed in a microfluidic device with: (1) human microvascular lung endothelial cells (HULEC-5a) cultured under flow-induced shear stress and (2) human epithelial cells (Calu-3) cultured at air-liquid interface. The effects of IL-6 and the soluble form of its receptor (sIL-6R) on the permeability, electrical resistance, and morphology of the endothelial and epithelial layers were evaluated. The diffusion barrier properties of both the endothelial and epithelial layers were significantly degraded only when IL-6 treatment was combined with sIL-6R. As suggested by recent review and clinical studies, our results provide unequivocal evidence that the barrier dysfunction occurs through trans-signaling in which IL-6 and sIL-6R form a complex and then bind to the surface of endothelial and epithelial cells, but not by classical signaling in which IL-6 binds to membrane-expressed IL-6 receptor. This finding suggests that the role of both IL-6 and sIL-6R should be considered as important biomarkers in developing strategies for treating cytokine storm.
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Affiliation(s)
- Chao Sui
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, 1 Castle Point On Hudson, Hoboken, New Jersey, 07030, USA
| | - Woo Lee
- Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, 1 Castle Point On Hudson, Hoboken, New Jersey, 07030, USA.
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, 1 Castle Point On Hudson, Hoboken, New Jersey, 07030, USA.
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10
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Corral-Nájera K, Chauhan G, Serna-Saldívar SO, Martínez-Chapa SO, Aeinehvand MM. Polymeric and biological membranes for organ-on-a-chip devices. MICROSYSTEMS & NANOENGINEERING 2023; 9:107. [PMID: 37649779 PMCID: PMC10462672 DOI: 10.1038/s41378-023-00579-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 05/18/2023] [Accepted: 06/20/2023] [Indexed: 09/01/2023]
Abstract
Membranes are fundamental elements within organ-on-a-chip (OOC) platforms, as they provide adherent cells with support, allow nutrients (and other relevant molecules) to permeate/exchange through membrane pores, and enable the delivery of mechanical or chemical stimuli. Through OOC platforms, physiological processes can be studied in vitro, whereas OOC membranes broaden knowledge of how mechanical and chemical cues affect cells and organs. OOCs with membranes are in vitro microfluidic models that are used to replace animal testing for various applications, such as drug discovery and disease modeling. In this review, the relevance of OOCs with membranes is discussed as well as their scaffold and actuation roles, properties (physical and material), and fabrication methods in different organ models. The purpose was to aid readers with membrane selection for the development of OOCs with specific applications in the fields of mechanistic, pathological, and drug testing studies. Mechanical stimulation from liquid flow and cyclic strain, as well as their effects on the cell's increased physiological relevance (IPR), are described in the first section. The review also contains methods to fabricate synthetic and ECM (extracellular matrix) protein membranes, their characteristics (e.g., thickness and porosity, which can be adjusted depending on the application, as shown in the graphical abstract), and the biological materials used for their coatings. The discussion section joins and describes the roles of membranes for different research purposes and their advantages and challenges.
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Affiliation(s)
- Kendra Corral-Nájera
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Gaurav Chauhan
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Sergio O. Serna-Saldívar
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Sergio O. Martínez-Chapa
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Mohammad Mahdi Aeinehvand
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
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11
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Rabe DC, Ho U, Choudhury A, Wallace J, Luciani E, Lee D, Flynn E, Stott SL. Aryl-diazonium salts offer a rapid and cost-efficient method to functionalize plastic microfluidic devices for increased immunoaffinity capture. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:2300210. [PMID: 38283881 PMCID: PMC10812904 DOI: 10.1002/admt.202300210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Indexed: 01/30/2024]
Abstract
Microfluidic devices have been used for decades to isolate cells, viruses, and proteins using on-chip immunoaffinity capture using biotinylated antibodies, proteins, or aptamers. To accomplish this, the inner surface is modified to present binding moieties for the desired analyte. While this approach has been successful in research settings, it is challenging to scale many surface modification strategies. Traditional polydimethylsiloxane (PDMS) devices can be effectively functionalized using silane-based methods; however, it requires high labor hours, cleanroom equipment, and hazardous chemicals. Manufacture of microfluidic devices using plastics, including cyclic olefin copolymer (COC), allows chips to be mass produced, but most functionalization methods used with PDMS are not compatible with plastic. Here we demonstrate how to deposit biotin onto the surface of a plastic microfluidic chips using aryl-diazonium. This method chemically bonds biotin to the surface, allowing for the addition of streptavidin nanoparticles to the surface. Nanoparticles increase the surface area of the chip and allow for proper capture moiety orientation. Our process is faster, can be performed outside of a fume hood, is very cost-effective using readily available laboratory equipment, and demonstrates higher rates of capture. Additionally, our method allows for more rapid and scalable production of devices, including for diagnostic testing.
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Affiliation(s)
- Daniel C Rabe
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142
| | - Uyen Ho
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Adarsh Choudhury
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Jessica Wallace
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Evelyn Luciani
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Dasol Lee
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Elizabeth Flynn
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Shannon L Stott
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142
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12
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Hu Y, Zhang H, Wang S, Cao L, Zhou F, Jing Y, Su J. Bone/cartilage organoid on-chip: Construction strategy and application. Bioact Mater 2023; 25:29-41. [PMID: 37056252 PMCID: PMC10087111 DOI: 10.1016/j.bioactmat.2023.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
The necessity of disease models for bone/cartilage related disorders is well-recognized, but the barrier between ex-vivo cell culture, animal models and the real human body has been pending for decades. The organoid-on-a-chip technique showed opportunity to revolutionize basic research and drug screening for diseases like osteoporosis and arthritis. The bone/cartilage organoid on-chip (BCoC) system is a novel platform of multi-tissue which faithfully emulate the essential elements, biologic functions and pathophysiological response under real circumstances. In this review, we propose the concept of BCoC platform, summarize the basic modules and current efforts to orchestrate them on a single microfluidic system. Current disease models, unsolved problems and future challenging are also discussed, the aim should be a deeper understanding of diseases, and ultimate realization of generic ex-vivo tools for further therapeutic strategies of pathological conditions.
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13
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Cui J, Jiang W, Su J, Zhang J, Yu Y, Ding Y. Microfluidic-to-macrofluidic: A simple in vitro model of atherosclerosis induced by fluidic stimulation. BIOMICROFLUIDICS 2023; 17:044106. [PMID: 37662690 PMCID: PMC10468215 DOI: 10.1063/5.0155267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/08/2023] [Indexed: 09/05/2023]
Abstract
Atherosclerosis is the narrowing of the arteries due to the formation of fatty plaques, which is the main cause of myocardial infarction and stroke. It is important to develop an in vitro model that can combine multiple-type cell co-culture, vessel wall-like structure, and fluid condition to simulate the processes of atherosclerosis. Herein, we used a simple microfluidic chip made of three polydimethylsiloxane layers to co-culture endothelial and smooth muscle cells in a flat rectangular microchannel. After being connected with a circulating culture medium driven by a peristaltic pump, the flat microchannel was deformed to a tunnel-like macrochannel. The fluid pressure and shear stress applied on the cells in the deformed macrochannel can be varied by adjusting the circulating flow rate and the thickness of the middle layer. Under three levels of the pressure (65, 131, and 196 mm Hg) or shear stress (0.99, 4.78, and 24 dyne/cm2) conditions, a series of atherosclerosis-related events, including endothelial cell junction, pro-inflammatory cytokine secretion, monocyte adhesion, and lipid accumulation, were investigated. The atherosclerosis-related results showed that the medium pressure or shear stress exhibited a relatively weak pro-atherosclerotic effect in a V-shaped trend. To demonstrate the potential in drug screen, the effects of three well-known anti-atherosclerotic drugs (atorvastatin, tetramethylpyrazine, and high-density lipoprotein) on the lipid accumulation and pro-inflammatory cytokine secretion were evaluated under a strong pro-atherosclerotic fluid condition (65 mm Hg, 0.99 dyne/cm2). This in vitro model of atherosclerosis has shown great potential in drug screen application.
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Affiliation(s)
- Jingang Cui
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Jiang
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jilei Su
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiazhen Zhang
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongliang Yu
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongsheng Ding
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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14
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Dufva M. A quantitative meta-analysis comparing cell models in perfused organ on a chip with static cell cultures. Sci Rep 2023; 13:8233. [PMID: 37217582 DOI: 10.1038/s41598-023-35043-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 05/11/2023] [Indexed: 05/24/2023] Open
Abstract
As many consider organ on a chip for better in vitro models, it is timely to extract quantitative data from the literature to compare responses of cells under flow in chips to corresponding static incubations. Of 2828 screened articles, 464 articles described flow for cell culture and 146 contained correct controls and quantified data. Analysis of 1718 ratios between biomarkers measured in cells under flow and static cultures showed that the in all cell types, many biomarkers were unregulated by flow and only some specific biomarkers responded strongly to flow. Biomarkers in cells from the blood vessels walls, the intestine, tumours, pancreatic island, and the liver reacted most strongly to flow. Only 26 biomarkers were analysed in at least two different articles for a given cell type. Of these, the CYP3A4 activity in CaCo2 cells and PXR mRNA levels in hepatocytes were induced more than two-fold by flow. Furthermore, the reproducibility between articles was low as 52 of 95 articles did not show the same response to flow for a given biomarker. Flow showed overall very little improvements in 2D cultures but a slight improvement in 3D cultures suggesting that high density cell culture may benefit from flow. In conclusion, the gains of perfusion are relatively modest, larger gains are linked to specific biomarkers in certain cell types.
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Affiliation(s)
- Martin Dufva
- Department of Health Technology, Technical University of Denmark, 2800, Kgs Lyngby, Denmark.
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15
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Shevchuk O, Palii S, Pak A, Chantada N, Seoane N, Korda M, Campos-Toimil M, Álvarez E. Vessel-on-a-Chip: A Powerful Tool for Investigating Endothelial COVID-19 Fingerprints. Cells 2023; 12:cells12091297. [PMID: 37174696 PMCID: PMC10177552 DOI: 10.3390/cells12091297] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/21/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023] Open
Abstract
Coronavirus disease (COVID-19) causes various vascular and blood-related reactions, including exacerbated responses. The role of endothelial cells in this acute response is remarkable and may remain important beyond the acute phase. As we move into a post-COVID-19 era (where most people have been or will be infected by the SARS-CoV-2 virus), it is crucial to define the vascular consequences of COVID-19, including the long-term effects on the cardiovascular system. Research is needed to determine whether chronic endothelial dysfunction following COVID-19 could lead to an increased risk of cardiovascular and thrombotic events. Endothelial dysfunction could also serve as a diagnostic and therapeutic target for post-COVID-19. This review covers these topics and examines the potential of emerging vessel-on-a-chip technology to address these needs. Vessel-on-a-chip would allow for the study of COVID-19 pathophysiology in endothelial cells, including the analysis of SARS-CoV-2 interactions with endothelial function, leukocyte recruitment, and platelet activation. "Personalization" could be implemented in the models through induced pluripotent stem cells, patient-specific characteristics, or genetic modified cells. Adaptation for massive testing under standardized protocols is now possible, so the chips could be incorporated for the personalized follow-up of the disease or its sequalae (long COVID) and for the research of new drugs against COVID-19.
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Affiliation(s)
- Oksana Shevchuk
- Department of Pharmacology and Clinical Pharmacology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Svitlana Palii
- Department of Pharmacology and Clinical Pharmacology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Anastasiia Pak
- Department of Medical Biochemistry, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Nuria Chantada
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Nuria Seoane
- Physiology and Pharmacology of Chronic Diseases (FIFAEC) Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Mykhaylo Korda
- Department of Medical Biochemistry, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Manuel Campos-Toimil
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Physiology and Pharmacology of Chronic Diseases (FIFAEC) Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Ezequiel Álvarez
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (CHUS), SERGAS, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIBERCV, Institute of Health Carlos III, 28220 Madrid, Spain
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16
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Mitxelena-Iribarren O, Bujanda X, Zabalza L, Alkorta J, Lopez-Elorza A, Gracia R, Dupin D, Arana S, Ruiz-Cabello J, Mujika M. Design and fabrication of a microfluidic system with embedded circular channels for rotary cell culture. Biotechnol J 2023:e2300004. [PMID: 37100765 DOI: 10.1002/biot.202300004] [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: 01/03/2023] [Revised: 02/25/2023] [Accepted: 04/04/2023] [Indexed: 04/28/2023]
Abstract
The development of functional blood vessels is today a fundamental pillar in the evaluation of new therapies and diagnostic agents. This article describes the manufacture and subsequent functionalization, by means of cell culture, of a microfluidic device with a circular section. Its purpose is to simulate a blood vessel in order to test new treatments for pulmonary arterial hypertension. The manufacture was carried out using a process in which a wire with a circular section determines the dimensions of the channel. To fabricate the blood vessel, cells were seeded under rotary cell culture to obtain a homogeneous cell seeding in the inner wall of the devices. This is a simple and reproducible method that allows the generation of blood vessel models in vitro.
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Affiliation(s)
- Oihane Mitxelena-Iribarren
- CEIT-Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián, Spain
- Universidad de Navarra, Tecnun, Donostia-San Sebastián, Spain
| | - Xabier Bujanda
- Universidad de Navarra, Tecnun, Donostia-San Sebastián, Spain
| | - Laura Zabalza
- Universidad de Navarra, Tecnun, Donostia-San Sebastián, Spain
| | - Janire Alkorta
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Donostia-San Sebastián, Spain
| | - Aitziber Lopez-Elorza
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Donostia-San Sebastián, Spain
| | - Raquel Gracia
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Donostia-San Sebastián, Spain
| | - Damien Dupin
- CIDETEC, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Gipuzkoa, Donostia-San Sebastián, Spain
| | - Sergio Arana
- CEIT-Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián, Spain
- Universidad de Navarra, Tecnun, Donostia-San Sebastián, Spain
| | - Jesús Ruiz-Cabello
- CIC biomaGUNE-Basque Research and Technology Alliance (BRTA), San Sebastián, Spain
- CIBER de Enfermedades Respiratorias (CIBERES), Madrid, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
- Universidad Complutense de Madrid, Madrid, Spain
| | - Maite Mujika
- CEIT-Basque Research and Technology Alliance (BRTA), Donostia-San Sebastián, Spain
- Universidad de Navarra, Tecnun, Donostia-San Sebastián, Spain
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17
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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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18
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Liu G, Li J, Ming Y, Xiang B, Zhou X, Chen Y, Chen N, Abudupataer M, Zhu S, Sun X, Sun Y, Lai H, Feng S, Wang C, Zhu K. A hiPSC-derived lineage-specific vascular smooth muscle cell-on-a-chip identifies aortic heterogeneity across segments. LAB ON A CHIP 2023; 23:1835-1851. [PMID: 36810777 DOI: 10.1039/d2lc01158a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Aortic aneurysm (AA), a potentially lethal condition with the characteristic of aortic dilatation, can only be treated by surgical or endovascular procedures. The underlying mechanisms of AA are unclear and early preventive treatment is still insufficient due to segmental aortic heterogeneity and the limitations of current disease models. Here, we firstly established a comprehensive lineage-specific vascular smooth muscle cell (SMC)-on-a-chip model using human induced pluripotent stem cells to yield cell lineages representing different segments of the aorta and tested the constructed organ-on-a-chip model under various tensile stress conditions. Bulk RNA sequencing, RT-qPCR, immunofluorescence, western blot and FACS analyses were performed to discover the segmental aortic heterogeneity of response for tensile stress and drug testing. The appropriate stretching frequency for all lineages of SMCs was 1.0 Hz, paraxial mesoderm (PM) SMCs were more sensitive to tensile stress than lateral mesoderm (LM) SMCs and neural crest (NC) SMCs. These differences may be related to the different transcriptional profiles of the tension-stressed distinct lineage-specific vascular SMCs, specifically in relation to the PI3K-Akt signaling pathway. Also, the organ-on-a-chip displayed contractile physiology, perfect fluid coordination, and was conducive to drug testing, displaying heterogeneous segmental aortic responses. Compared with LM-SMCs and NC-SMCs, PM-SMCs were more sensitive to ciprofloxacin. The model is evaluated as a novel and suitable supplement to AA animal models for determining differential physiology and drug response in different parts of the aorta. Furthermore, this system could pave the way for disease modeling, drug testing, and the personalized treatment of patients with AA in the future.
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Affiliation(s)
- Gang Liu
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jun Li
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Yang Ming
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Bitao Xiang
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Xiaonan Zhou
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Yabin Chen
- School of Life Science and Technology, Shanghai Tech University, 319 Yueyang Road, Shanghai, 200031, China
| | - Nan Chen
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Mieradilijiang Abudupataer
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Shichao Zhu
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Xiaoning Sun
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Yongxin Sun
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Hao Lai
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Sisi Feng
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 320 Yueyang Road, Shanghai, 200031, China.
| | - Chunsheng Wang
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Kai Zhu
- Department of Cardiac Surgery, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China.
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, China
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19
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Abstract
Cardiovascular diseases are a group of heart and blood vessel disorders which remain a leading cause of morbidity and mortality worldwide. Currently, cardiovascular disease research commonly depends on in vivo rodent models and in vitro human cell culture models. Despite their widespread use in cardiovascular disease research, there are some long-standing limitations: animal models often fail to faithfully mimic human response, while traditional cell models ignore the in vivo microenvironment, intercellular communications, and tissue-tissue interactions. The convergence of microfabrication and tissue engineering has given rise to organ-on-a-chip technologies. The organ-on-a-chip is a microdevice containing microfluidic chips, cells, and extracellular matrix to reproduce the physiological processes of a certain part of the human body, and is nowadays considered a promising bridge between in vivo models and in vitro 2D or 3D cell culture models. Considering the difficulty in obtaining human vessel and heart samples, the development of vessel-on-a-chip and heart-on-a-chip systems can guide cardiovascular disease research in the future. In this review, we elaborate methods and materials to fabricate organ-on-a-chip systems and summarize the construction of vessel and heart chips. The construction of vessels-on-a-chip must consider the cyclic mechanical stretch and fluid shear stress, while hemodynamic forces and cardiomyocyte maturation are key factors in building hearts-on-a-chip. We also introduce the application of organs-on-a-chip in cardiovascular disease study.
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20
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Veliz DS, Lin KL, Sahlgren C. Organ-on-a-chip technologies for biomedical research and drug development: A focus on the vasculature. SMART MEDICINE 2023; 2:e20220030. [PMID: 37089706 PMCID: PMC7614466 DOI: 10.1002/smmd.20220030] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Current biomedical models fail to replicate the complexity of human biology. Consequently, almost 90% of drug candidates fail during clinical trials after decades of research and billions of investments in drug development. Despite their physiological similarities, animal models often misrepresent human responses, and instead, trigger ethical and societal debates regarding their use. The overall aim across regulatory entities worldwide is to replace, reduce, and refine the use of animal experimentation, a concept known as the Three Rs principle. In response, researchers develop experimental alternatives to improve the biological relevance of in vitro models through interdisciplinary approaches. This article highlights the emerging organ-on-a-chip technologies, also known as microphysiological systems, with a focus on models of the vasculature. The cardiovascular system transports all necessary substances, including drugs, throughout the body while in charge of thermal regulation and communication between other organ systems. In addition, we discuss the benefits, limitations, and challenges in the widespread use of new biomedical models. Coupled with patient-derived induced pluripotent stem cells, organ-on-a-chip technologies are the future of drug discovery, development, and personalized medicine.
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Affiliation(s)
- Diosangeles Soto Veliz
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- InFLAMES Research Flagship Center, Åbo Akademi University, Turku, Finland
- Turku Bioscience Center, Åbo Akademi University and University of Turku, Turku, Finland
| | - Kai-Lan Lin
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- InFLAMES Research Flagship Center, Åbo Akademi University, Turku, Finland
- Turku Bioscience Center, Åbo Akademi University and University of Turku, Turku, Finland
| | - Cecilia Sahlgren
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- InFLAMES Research Flagship Center, Åbo Akademi University, Turku, Finland
- Turku Bioscience Center, Åbo Akademi University and University of Turku, Turku, Finland
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, the Netherlands
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21
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Qiu D, Deng Y, Wen Y, Yin J, Feng J, Huang J, Song M, Zhang G, Chen C, Xia J. Iron corroded granules inhibiting vascular smooth muscle cell proliferation. Mater Today Bio 2022; 16:100420. [PMID: 36110422 PMCID: PMC9468459 DOI: 10.1016/j.mtbio.2022.100420] [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: 07/02/2022] [Revised: 09/01/2022] [Accepted: 09/03/2022] [Indexed: 11/17/2022]
Abstract
In-stent restenosis after interventional therapy remains a severe clinical complication. Current evidence indicates that neointimal hyperplasia induced by vascular smooth muscle cell (VSMC) proliferation is a major cause of restenosis. Thus, inhibiting VSMC proliferation is critical for preventing in-stent restenosis. The incidence of restenosis was reduced in nitrided iron-based stents (hereafter referred to as iron stents). We hypothesized that the corroded granules produced by the iron stent would prevent in-stent restenosis by inhibiting VSMC proliferation. To verify this hypothesis, we introduced a dynamic circulation device to analyze the components of corroded granules. To investigate the effects of corroded granules on VSMC proliferation, we implanted the corroded iron stent into the artery of the atherosclerotic artery stenosis model. Moreover, we explored the mechanism underlying the inhibition of VSMC proliferation by iron corroded granules. The results indicated that iron stent produced the corroded granules after implantation, and the main component of the corrosion granules was iron oxide. Remarkably, the corroded granules reduced the neointimal hyperplasia in an atherosclerotic artery stenosis model, and iron corroded granules decreased the neointimal hyperplasia by inhibiting VSMC proliferation. In addition, we revealed that corroded granules reduced VSMC proliferation by activating autophagy through the AMPK/mTOR signaling pathway. Importantly, safety of iron corroded granules was evaluated and proved to be satisfactory hemocompatibility in rabbit model. Overall, the role of corroded granules in restenosis prevention was described for the first time. This finding highlighted the implication of corroded granules produced by iron stent in inhibiting VSMC proliferation, pointing to a new direction to prevent in-stent restenosis.
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Affiliation(s)
- Dongxu Qiu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
| | - Yalan Deng
- NHC Key Laboratory of Cancer Proteomics & Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, PR China
| | - Yanbin Wen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
| | - Jun Yin
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
| | - Jie Feng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
| | - Jiabing Huang
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Jiangxi, Nanchang, PR China
| | - Mingyu Song
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
| | - Gui Zhang
- R&D Center, Lifetech Scientific (Shenzhen) Co Ltd, Shenzhen, 518057, PR China
| | - Changqing Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
- Corresponding author.
| | - Jian Xia
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, PR China
- Corresponding author.
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22
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Doan TNA, Bianco-Miotto T, Parry L, Winter M. The role of angiotensin II and relaxin in vascular adaptation to pregnancy. Reproduction 2022; 164:R87-R99. [PMID: 36018774 DOI: 10.1530/rep-21-0428] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/26/2022] [Indexed: 11/08/2022]
Abstract
In brief There is a pregnancy-induced vasodilation of blood vessels, which is known to have a protective effect on cardiovascular function and can be maintained postpartum. This review outlines the cardiovascular changes that occur in a healthy human and rodent pregnancy, as well as different pathways that are activated by angiotensin II and relaxin that result in blood vessel dilation. Abstract During pregnancy, systemic and uteroplacental blood flow increase to ensure an adequate blood supply that carries oxygen and nutrients from the mother to the fetus. This results in changes to the function of the maternal cardiovascular system. There is also a pregnancy-induced vasodilation of blood vessels, which is known to have a protective effect on cardiovascular health/function. Additionally, there is evidence that the effects of maternal vascular vasodilation are maintained post-partum, which may reduce the risk of developing high blood pressure in the next pregnancy and reduce cardiovascular risk later in life. At both non-pregnant and pregnant stages, vascular endothelial cells produce a number of vasodilators and vasoconstrictors, which transduce signals to the contractile vascular smooth muscle cells to control the dilation and constriction of blood vessels. These vascular cells are also targets of other vasoactive factors, including angiotensin II (Ang II) and relaxin. The binding of Ang II to its receptors activates different pathways to regulate the blood vessel vasoconstriction/vasodilation, and relaxin can interact with some of these pathways to induce vasodilation. Based on the available literature, this review outlines the cardiovascular changes that occur in a healthy human pregnancy, supplemented by studies in rodents. A specific focus is placed on vasodilation of blood vessels during pregnancy; the role of endothelial cells and endothelium-derived vasodilators will also be discussed. Additionally, different pathways that are activated by Ang II and relaxin that result in blood vessel dilation will also be reviewed.
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Affiliation(s)
- Thu Ngoc Anh Doan
- School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Tina Bianco-Miotto
- School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Laura Parry
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Marnie Winter
- Future Industries Institute, University of South Australia, Adelaide, South Australia, Australia
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23
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Palomarez A, Jha M, Medina Romero X, Horton RE. Cardiovascular consequences of sickle cell disease. BIOPHYSICS REVIEWS 2022; 3:031302. [PMID: 38505276 PMCID: PMC10903381 DOI: 10.1063/5.0094650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 07/11/2022] [Indexed: 03/21/2024]
Abstract
Sickle cell disease (SCD) is an inherited blood disorder caused by a single point mutation within the beta globin gene. As a result of this mutation, hemoglobin polymerizes under low oxygen conditions causing red blood cells to deform, become more adhesive, and increase in rigidity, which affects blood flow dynamics. This process leads to enhanced red blood cell interactions with the endothelium and contributes to vaso-occlusion formation. Although traditionally defined as a red blood cell disorder, individuals with SCD are affected by numerous clinical consequences including stroke, painful crisis episodes, bone infarctions, and several organ-specific complications. Elevated cardiac output, endothelium activation along with the sickling process, and the vaso-occlusion events pose strains on the cardiovascular system. We will present a review of the cardiovascular consequences of sickle cell disease and show connections with the vasculopathy related to SCD. We will also highlight biophysical properties and engineering tools that have been used to characterize the disease. Finally, we will discuss therapies for SCD and potential implications on SCD cardiomyopathy.
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Affiliation(s)
- Alexis Palomarez
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas 77204, USA
| | - Manisha Jha
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas 77204, USA
| | - Ximena Medina Romero
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas 77204, USA
| | - Renita E. Horton
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas 77204, USA
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24
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Yan J, Li Z, Guo J, Liu S, Guo J. Organ-on-a-chip: A new tool for in vitro research. Biosens Bioelectron 2022; 216:114626. [PMID: 35969963 DOI: 10.1016/j.bios.2022.114626] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/20/2022] [Accepted: 08/04/2022] [Indexed: 12/16/2022]
Abstract
Organ-on-a-chip (OOC, organ chip) technology can closely simulate the human microenvironment, synthesize organ-like functional units on a fluidic chip substrate, and simulate the physiology of tissues and organs. It will become an increasingly important platform for in vitro drug development and screening. Most importantly, organ-on-a-chip technology, incorporating 3D cell cultures, overcomes the traditional drawbacks of 2D (flat) cell-culture technology in vitro and in vivo animal trials, neither of which generate completely reliable results when it comes to the actual human subject. It is expected that organ chips will allow huge reductions in the incidence of failure in late-stage human trials, thus slashing the cost of drug development and speeding up the introduction of drugs that are effective. There have been three key enabling technologies that have made organ chip technology possible: 3D bioprinting, fluidic chips, and 3D cell culture, of which the last has allowed cells to be cultivated under more physiologically realistic growth conditions than 2D culture. The fusion of these advanced technologies and the addition of new research methods and algorithms has enabled the construction of chip types with different structures and different uses, providing a wide range of controllable microenvironments, both for research at the cellular level and for more reliable analysis of the action of drugs on the human body. This paper summarizes some research progress of organ-on-a-chip in recent years, outlines the key technologies used and the achievements in drug screening, and makes some suggestions concerning the current challenges and future development of organ-on-a-chip technology.
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Affiliation(s)
- Jiasheng Yan
- The M.O.E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China; University of Electronic Science and Technology of China, Chengdu, China
| | - Ziwei Li
- Department of Clinical Laboratory, Fuling Central Hospital of Chongqing City, Chongqing, 408008, China
| | - Jiuchuan Guo
- The M.O.E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China; University of Electronic Science and Technology of China, Chengdu, China.
| | - Shan Liu
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Department of Medical Genetics, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology, Chengdu, 610072, China.
| | - Jinhong Guo
- The M.O.E. Key Laboratory of Laboratory Medical Diagnostics, The College of Laboratory Medicine, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China; School of Sensing Science and Engineering, Shanghai Jiao Tong University, Shanghai, China.
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25
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Filippi M, Buchner T, Yasa O, Weirich S, Katzschmann RK. Microfluidic Tissue Engineering and Bio-Actuation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108427. [PMID: 35194852 DOI: 10.1002/adma.202108427] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Bio-hybrid technologies aim to replicate the unique capabilities of biological systems that could surpass advanced artificial technologies. Soft bio-hybrid robots consist of synthetic and living materials and have the potential to self-assemble, regenerate, work autonomously, and interact safely with other species and the environment. Cells require a sufficient exchange of nutrients and gases, which is guaranteed by convection and diffusive transport through liquid media. The functional development and long-term survival of biological tissues in vitro can be improved by dynamic flow culture, but only microfluidic flow control can develop tissue with fine structuring and regulation at the microscale. Full control of tissue growth at the microscale will eventually lead to functional macroscale constructs, which are needed as the biological component of soft bio-hybrid technologies. This review summarizes recent progress in microfluidic techniques to engineer biological tissues, focusing on the use of muscle cells for robotic bio-actuation. Moreover, the instances in which bio-actuation technologies greatly benefit from fusion with microfluidics are highlighted, which include: the microfabrication of matrices, biomimicry of cell microenvironments, tissue maturation, perfusion, and vascularization.
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Affiliation(s)
- Miriam Filippi
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Thomas Buchner
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Oncay Yasa
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Stefan Weirich
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Robert K Katzschmann
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
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26
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Microfluidics for 3D Cell and Tissue Cultures: Microfabricative and Ethical Aspects Updates. Cells 2022; 11:cells11101699. [PMID: 35626736 PMCID: PMC9139493 DOI: 10.3390/cells11101699] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 12/10/2022] Open
Abstract
The necessity to improve in vitro cell screening assays is becoming ever more important. Pharmaceutical companies, research laboratories and hospitals require technologies that help to speed up conventional screening and therapeutic procedures to produce more data in a short time in a realistic and reliable manner. The design of new solutions for test biomaterials and active molecules is one of the urgent problems of preclinical screening and the limited correlation between in vitro and in vivo data remains one of the major issues. The establishment of the most suitable in vitro model provides reduction in times, costs and, last but not least, in the number of animal experiments as recommended by the 3Rs (replace, reduce, refine) ethical guiding principles for testing involving animals. Although two-dimensional (2D) traditional cell screening assays are generally cheap and practical to manage, they have strong limitations, as cells, within the transition from the three-dimensional (3D) in vivo to the 2D in vitro growth conditions, do not properly mimic the real morphologies and physiology of their native tissues. In the study of human pathologies, especially, animal experiments provide data closer to what happens in the target organ or apparatus, but they imply slow and costly procedures and they generally do not fully accomplish the 3Rs recommendations, i.e., the amount of laboratory animals and the stress that they undergo must be minimized. Microfluidic devices seem to offer different advantages in relation to the mentioned issues. This review aims to describe the critical issues connected with the conventional cells culture and screening procedures, showing what happens in the in vivo physiological micro and nano environment also from a physical point of view. During the discussion, some microfluidic tools and their components are described to explain how these devices can circumvent the actual limitations described in the introduction.
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27
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Lin L, Wang X, Niu M, Wu Q, Wang H, Zu Y, Wang W. Biomimetic epithelium/endothelium on chips. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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28
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Hiroshima Y, Oyama Y, Sawasaki K, Nakamura M, Kimura N, Kawahito K, Fujie H, Sakamoto N. A Compressed Collagen Construct for Studying Endothelial-Smooth Muscle Cell Interaction Under High Shear Stress. Ann Biomed Eng 2022; 50:951-963. [PMID: 35471673 DOI: 10.1007/s10439-022-02972-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 04/18/2022] [Indexed: 11/29/2022]
Abstract
The coculture of vascular endothelial cells (ECs) on collagen gels containing smooth muscle cells (SMCs) has been carried out to investigate cellular interactions associated with blood vessel pathophysiology under wall shear stress (WSS) conditions. However, due to a lack of gel stiffness, the previous collagen gel coculture constructs are difficult to use for pathologic higher WSS conditions. Here, we newly constructed a coculture model with centrifugally compressed cell-collagen combined construct (C6), which withstands higher WSS conditions. The elastic modulus of C6 was approximately 6 times higher than that of the uncompressed collagen construct. The level of α-smooth muscle actin, a contractile SMC phenotype marker observed in healthy arteries, was elevated in C6 compared with that of the uncompressed construct, and further increased by exposure to a physiological level WSS of 2 Pa, but not by a pathological level of 20 Pa. WSS conditions of 2 and 20 Pa also induced different expression ratios of matrix metalloproteinases and their inhibitors in the C6 coculture model but did not in monocultured ECs and SMCs. The C6 coculture model will be a powerful tool to investigate interactions between ECs and SMCs under pathologically high WSS conditions.
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Affiliation(s)
- Yuya Hiroshima
- Department of Cardiovascular Surgery, Jichi Medical University, Yakushiji 3311-1, Shimotsuke, Tochigi, 329-0498, Japan
| | - Yuki Oyama
- Department of Mechanical Systems Engineering, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan
| | - Kaoru Sawasaki
- Department of Mechanical Systems Engineering, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan
| | - Masanori Nakamura
- Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya, 466-8555, Japan
| | - Naoyuki Kimura
- Department of Cardiovascular Surgery, Saitama Medical Center, Jichi Medical University, Amanuma 1-847, Omiya, Saitama, 330-834, Japan
| | - Koji Kawahito
- Department of Cardiovascular Surgery, Jichi Medical University, Yakushiji 3311-1, Shimotsuke, Tochigi, 329-0498, Japan
| | - Hiromichi Fujie
- Department of Mechanical Systems Engineering, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan.,Research Center for Medicine-Engineering Collaboration, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan
| | - Naoya Sakamoto
- Department of Mechanical Systems Engineering, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan. .,Research Center for Medicine-Engineering Collaboration, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan.
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29
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Meki M, El-Baz A, Sethu P, Giridharan G. Effects of Pulsatility on Arterial Endothelial and Smooth Muscle Cells. Cells Tissues Organs 2022; 212:272-284. [PMID: 35344966 PMCID: PMC10782761 DOI: 10.1159/000524317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 03/16/2022] [Indexed: 01/04/2023] Open
Abstract
Continuous flow ventricular assist device (CFVAD) support in advanced heart failure patients causes diminished pulsatility, which has been associated with adverse events including gastrointestinal bleeding, end organ failure, and arteriovenous malformation. Recently, pulsatility augmentation by pump speed modulation has been proposed as a means to minimize adverse events. Pulsatility primarily affects endothelial and smooth muscle cells in the vasculature. To study the effects of pulsatility and pulse modulation using CFVADs, we have developed a microfluidic co-culture model with human aortic endothelial (ECs) and smooth muscle cells (SMCs) that can replicate physiologic pressures, flows, shear stresses, and cyclical stretch. The effects of pulsatility and pulse frequency on ECs and SMCs were evaluated during (1) normal pulsatile flow (120/80 mmHg, 60 bpm), (2) diminished pulsatility (98/92 mmHg, 60 bpm), and (3) low cyclical frequency (115/80 mmHg, 30 bpm). Shear stresses were estimated using computational fluid dynamics (CFD) simulations. While average shear stresses (4.2 dynes/cm2) and flows (10.1 mL/min) were similar, the peak shear stresses for normal pulsatile flow (16.9 dynes/cm2) and low cyclic frequency (19.5 dynes/cm2) were higher compared to diminished pulsatility (6.45 dynes/cm2). ECs and SMCs demonstrated significantly lower cell size with diminished pulsatility compared to normal pulsatile flow. Low cyclical frequency resulted in normalization of EC cell size but not SMCs. SMCs size was higher with low frequency condition compared to diminished pulsatility but did not normalize to normal pulsatility condition. These results may suggest that pressure amplitude augmentation may have a greater effect in normalizing ECs, while both pressure amplitude and frequency may be required to normalize SMCs morphology. The co-culture model may be an ideal platform to study flow modulation strategies.
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Affiliation(s)
- Moustafa Meki
- Bioengineering, University of Louisville, Louisville, KY, USA
| | - Ayman El-Baz
- Bioengineering, University of Louisville, Louisville, KY, USA
| | - Palanaippan Sethu
- Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
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30
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Xu Y, Deng J, Hao S, Wang B. A Potential In Vitro 3D Cell Model to Study Vascular Diseases by Simulating the Vascular Wall Microenvironment and Its Application. Life (Basel) 2022; 12:life12030427. [PMID: 35330178 PMCID: PMC8951029 DOI: 10.3390/life12030427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/22/2022] [Accepted: 03/12/2022] [Indexed: 11/30/2022] Open
Abstract
Background: Current in vitro vascular models are too simple compared with the real vascular environment. In this research, a novel in vitro 3D vascular disease model that simulated the vascular microenvironment was introduced. Methods: This model was mainly established by low shear stress and co-culture of endothelial cells and smooth muscle cells. Characterization and reproduction of the pathological state of the 3D model were determined. The effect of two clinical drugs was verified in this model. The difference of drug screening between a traditional oxidative-damaged cell model and this 3D model was determined by HPLC. Results: This model presented many disease markers of vascular diseases: abnormal cellular shape, higher endothelial cell apoptotic rate and smooth muscle cell migration rate, decreased superoxide dismutase level, and increased malondialdehyde and platelet-derived growth factor level. The drugs effectively reduced the disease indices and relieved the damage caused by low shear stress. Compared to the traditional oxidative-damaged cell model, this 3D model screened different active components of Salviae Miltiorrhizae extract, and it is closer to clinical studies. Conclusions: These results suggest that the 3D vascular disease model is a more efficient and selective in vitro study and drug screening platform for vascular diseases than previously reported in vitro vascular disease models.
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Affiliation(s)
- Yingqian Xu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China; (Y.X.); (S.H.)
- Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China
| | - Jia Deng
- Chongqing Key Laboratory of Natural Medicine Research, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China;
| | - Shilei Hao
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China; (Y.X.); (S.H.)
| | - Bochu Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China; (Y.X.); (S.H.)
- Correspondence:
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31
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Tsai CL, Huang CY, Lu YC, Pai LM, Horák D, Ma YH. Cyclic Strain Mitigates Nanoparticle Internalization by Vascular Smooth Muscle Cells. Int J Nanomedicine 2022; 17:969-981. [PMID: 35280334 PMCID: PMC8909538 DOI: 10.2147/ijn.s337942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 01/27/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Chia-Liang Tsai
- Department of Physiology and Pharmacology, Chang Gung University, Taoyuan, 33302, Taiwan, Republic of China
| | - Ching-Yun Huang
- Institute of Biomedical Sciences, Chang Gung University, Taoyuan, 33302, Taiwan, Republic of China
| | - Yi-Ching Lu
- Department of Physiology and Pharmacology, Chang Gung University, Taoyuan, 33302, Taiwan, Republic of China
| | - Li-Mei Pai
- Department of Biochemistry & Molecular Biology, College of Medicine, Chang Gung University, Taoyuan, 33302, Taiwan, Republic of China
- Liver Research Center, Chang Gung Memorial Hospital, Taoyuan, 33305, Taiwan, Republic of China
| | - Daniel Horák
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague 6, 162 06, Czech Republic
| | - Yunn-Hwa Ma
- Department of Physiology and Pharmacology, Chang Gung University, Taoyuan, 33302, Taiwan, Republic of China
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Taoyuan, 33305, Taiwan, Republic of China
- Correspondence: Yunn-Hwa Ma, Department of Physiology and Pharmacology, Chang Gung University, Guishan, Taoyuan, 33302, Taiwan, Republic of China, Email
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Ersland E, Ebrahim N, Mwizerwa O, Oba T, Oku K, Nishino M, Hikimoto D, Miyoshi H, Tomotoshi K, Rahmanian O, Ekwueme E, Neville C, Sundback C. Human Vascular Wall Microfluidic Model for Preclinical Evaluation of Drug-Induced Vascular Injury. Tissue Eng Part C Methods 2022; 28:83-92. [PMID: 35114818 PMCID: PMC9022170 DOI: 10.1089/ten.tec.2021.0227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Drug-induced vascular injury (DIVI) in preclinical animal models often leads to candidate compound termination during drug development. DIVI has not been documented in human clinical trials with drugs that cause DIVI in preclinical animals. A robust human preclinical assay for DIVI is needed as an early vascular injury screen. A human vascular wall microfluidic tissue chip was developed with a human umbilical vein endothelial cell (HUVEC)-umbilical artery smooth muscle cell (vascular smooth muscle cell, VSMC) bilayer matured under physiological shear stress. Optimized temporal flow profiles produced HUVEC-VSMC bilayers with quiescent endothelial cell (EC) monolayers, EC tight junctions, and contractile VSMC morphology. Dose-response testing (3-30 μM concentration) was conducted with minoxidil and tadalafil vasodilators. Both drugs have demonstrated preclinical DIVI but lack clinical evidence. The permeability of severely damaged engineered bilayers (30 μM tadalafil) was 4.1 times that of the untreated controls. Immunohistochemical protein assays revealed contrasting perspectives on tadalafil and minoxidil-induced damage. Tadalafil impacted the endothelial monolayer with minor injury to the contractile VSMCs, whereas minoxidil demonstrated minor EC barrier injury but damaged VSMCs and activated ECs in a dose-response manner. This proof-of-concept human vascular wall bilayer model of DIVI is a critical step toward developing a preclinical human screening assay for drug development. Impact statement More than 90% of drug candidates fail during clinical trials due to human efficacy and toxicity concerns. Preclinical studies rely heavily on animal models, although animal toxicity and drug metabolism responses often differ from humans. During the drug development process, perfused in vitro human tissue chips could model the clinical drug response and potential toxicity of candidate compounds. Our long-term objective is to develop a human vascular wall tissue chip to screen for drug-induced vascular injury. Its application could ultimately reduce drug development delays and costs, and improve patient safety.
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Affiliation(s)
- Erik Ersland
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Neven Ebrahim
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Department of Anatomy and Embryology, Mansoura University, Mansoura, Egypt
| | - Olive Mwizerwa
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Takahiro Oba
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Keisuke Oku
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Masafumi Nishino
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Daichi Hikimoto
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Hayato Miyoshi
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Kimihiko Tomotoshi
- Bioscience and Engineering Laboratories, FUJIFILM Corporation, Kanagawa, Japan
| | - Omid Rahmanian
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
| | - Emmanuel Ekwueme
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
| | - Craig Neville
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
| | - Cathryn Sundback
- Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Address correspondence to: Cathryn Sundback, ScD, Department of Surgery, Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 01451, USA
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33
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Youn J, Hong H, Shin W, Kim D, Kim HJ, Kim DS. Thin and stretchable extracellular matrix (ECM) membrane reinforced by nanofiber scaffolds for developing in vitro barrier models. Biofabrication 2022; 14. [DOI: 10.1088/1758-5090/ac4dd7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 01/21/2022] [Indexed: 11/11/2022]
Abstract
Abstract
An extracellular matrix (ECM) membrane made up of ECM hydrogels has great potentials to develop a physiologically relevant organ-on-a-chip because of its biochemical and biophysical similarity to in vivo basement membranes (BMs). However, the limited mechanical stability of the ECM hydrogels makes it difficult to utilize the ECM membrane in long-term and dynamic cell/tissue cultures. This study proposes an ultra-thin but robust and transparent ECM membrane reinforced with silk fibroin (SF)/polycaprolactone (PCL) nanofibers, which is achieved by in situ self-assembly throughout a freestanding SF/PCL nanofiber scaffold. The SF/PCL nanofiber-reinforced ECM (NaRE) membrane shows biophysical characteristics reminiscent of native BMs, including small thickness (< 5 μm), high permeability (< 9 × 10−5 cm s-1), and nanofibrillar architecture (~10 to 100 nm). With the BM-like characteristics, the nanofiber reinforcement ensured that the NaRE membrane stably supported the construction of various types of in vitro barrier models, from epithelial or endothelial barrier models to complex co-culture models, even over two weeks of cell culture periods. Furthermore, the stretchability of the NaRE membrane allowed emulating the native organ-like cyclic stretching motions (10 to 15%) and was demonstrated to manipulate the cell and tissue-level functions of the in vitro barrier model.
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34
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Sunderland K, Jiang J, Zhao F. Disturbed flow's impact on cellular changes indicative of vascular aneurysm initiation, expansion, and rupture: A pathological and methodological review. J Cell Physiol 2022; 237:278-300. [PMID: 34486114 PMCID: PMC8810685 DOI: 10.1002/jcp.30569] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/06/2021] [Accepted: 08/16/2021] [Indexed: 01/03/2023]
Abstract
Aneurysms are malformations within the arterial vasculature brought on by the structural breakdown of the microarchitecture of the vessel wall, with aneurysms posing serious health risks in the event of their rupture. Blood flow within vessels is generally laminar with high, unidirectional wall shear stressors that modulate vascular endothelial cell functionality and regulate vascular smooth muscle cells. However, altered vascular geometry induced by bifurcations, significant curvature, stenosis, or clinical interventions can alter the flow, generating low stressor disturbed flow patterns. Disturbed flow is associated with altered cellular morphology, upregulated expression of proteins modulating inflammation, decreased regulation of vascular permeability, degraded extracellular matrix, and heightened cellular apoptosis. The understanding of the effects disturbed flow has on the cellular cascades which initiate aneurysms and promote their subsequent growth can further elucidate the nature of this complex pathology. This review summarizes the current knowledge about the disturbed flow and its relation to aneurysm pathology, the methods used to investigate these relations, as well as how such knowledge has impacted clinical treatment methodologies. This information can contribute to the understanding of the development, growth, and rupture of aneurysms and help develop novel research and aneurysmal treatment techniques.
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Affiliation(s)
- Kevin Sunderland
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931
| | - Jingfeng Jiang
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931,Corresponding Authors: Feng Zhao, 101 Bizzell Street, College Station, TX 77843-312, Tel : 979-458-1239, , Jingfeng Jiang, 1400 Townsend Dr., Houghton, MI 49931, Tel: 906-487-1943
| | - Feng Zhao
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843,Corresponding Authors: Feng Zhao, 101 Bizzell Street, College Station, TX 77843-312, Tel : 979-458-1239, , Jingfeng Jiang, 1400 Townsend Dr., Houghton, MI 49931, Tel: 906-487-1943
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35
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Youn J, Han H, Park SM, Kim DS. Arterial Internal Elastic Lamina-Inspired Membrane for Providing Biochemical and Structural Cues in Developing Artery-on-a-Chip. ACS Macro Lett 2021; 10:1398-1403. [PMID: 35549015 DOI: 10.1021/acsmacrolett.1c00551] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In vitro artery models constructed on a membrane-based microfluidic chip, called an artery-on-a-chip, have been spotlighted as a powerful platform for studying arterial physiology. However, due to the use of a flat and porous membrane that cannot mimic the in vivo internal elastic lamina (IEL), the physiological similarity in the phenotypes and the arrangements of the endothelial cells (ECs) and aortic smooth muscle cells (AoSMCs) has been limited in the previously developed artery-on-a-chips. Herein, we developed an innovative membrane mimicking the structures of IEL by utilizing electrospun aligned silk fibroin/polycaprolactone nanofiber membranes. An arterial IEL-mimicking (AIM) membrane was about 5 μm thick and composed of orthogonally aligned nanofibers with a diameter of around 400 nm, which were highly comparable to the IEL. Such structural similarity was found to induce the ECs and SMCs to be elongated and orthogonally aligned as in the in vivo artery. In particular, the SMCs cultured on the AIM membrane maintained a healthy state showing increased αSMA mRNA expression, which was easily lost on the conventional membrane. We constructed an AIM membrane-integrated artery-on-a-chip having an orthogonal arrangement of ECs and SMCs, which was desirable but difficult to be realized with the previous artery-on-a-chip.
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Affiliation(s)
- Jaeseung Youn
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Hyeonseok Han
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Sang Min Park
- School of Mechanical Engineering, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, South Korea
| | - Dong Sung Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea.,Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea.,Institute for Convergence Research and Education in Advanced Technology, Yonsei University, Seoul 03722, South Korea
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36
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Nguyen N, Thurgood P, Sekar NC, Chen S, Pirogova E, Peter K, Baratchi S, Khoshmanesh K. Microfluidic models of the human circulatory system: versatile platforms for exploring mechanobiology and disease modeling. Biophys Rev 2021; 13:769-786. [PMID: 34777617 DOI: 10.1007/s12551-021-00815-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 06/22/2021] [Indexed: 02/07/2023] Open
Abstract
The human circulatory system is a marvelous fluidic system, which is very sensitive to biophysical and biochemical cues. The current animal and cell culture models do not recapitulate the functional properties of the human circulatory system, limiting our ability to fully understand the complex biological processes underlying the dysfunction of this multifaceted system. In this review, we discuss the unique ability of microfluidic systems to recapitulate the biophysical, biochemical, and functional properties of the human circulatory system. We also describe the remarkable capacity of microfluidic technologies for exploring the complex mechanobiology of the cardiovascular system, mechanistic studying of cardiovascular diseases, and screening cardiovascular drugs with the additional benefit of reducing the need for animal models. We also discuss opportunities for further advancement in this exciting field.
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Affiliation(s)
- Ngan Nguyen
- School of Engineering, RMIT University, Melbourne, Australia
| | - Peter Thurgood
- School of Engineering, RMIT University, Melbourne, Australia
| | - Nadia Chandra Sekar
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Australia
| | - Sheng Chen
- School of Engineering, RMIT University, Melbourne, Australia
| | - Elena Pirogova
- School of Engineering, RMIT University, Melbourne, Australia
| | - Karlheinz Peter
- Baker Heart and Diabetes Institute, Melbourne, Australia.,Department of Cardiometabolic Health, The University of Melbourne, Parkville, Australia
| | - Sara Baratchi
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Australia
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37
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Nashimoto Y, Abe M, Fujii R, Taira N, Ida H, Takahashi Y, Ino K, Ramon‐Azcon J, Shiku H. Topography and Permeability Analyses of Vasculature-on-a-Chip Using Scanning Probe Microscopies. Adv Healthc Mater 2021; 10:e2101186. [PMID: 34409770 DOI: 10.1002/adhm.202101186] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/22/2021] [Indexed: 11/08/2022]
Abstract
Microphysiological systems (MPS) or organs-on-chips (OoC) can emulate the physiological functions of organs in vitro and are effective tools for determining human drug responses in preclinical studies. However, the analysis of MPS has relied heavily on optical tools, resulting in difficulties in real-time and high spatial resolution imaging of the target cell functions. In this study, the role of scanning probe microscopy (SPM) as an analytical tool for MPS is evaluated. An access hole is made in a typical MPS system with stacked microchannels to insert SPM probes into the system. For the first study, a simple vascular model composed of only endothelial cells is prepared for SPM analysis. Changes in permeability and local chemical flux are quantitatively evaluated during the construction of the vascular system. The morphological changes in the endothelial cells after flow stimulation are imaged at the single-cell level for topographical analysis. Finally, the possibility of adapting the permeability and topographical analysis using SPM for the intestinal vascular system is further evaluated. It is believed that this study will pave the way for an in situ permeability assay and structural analysis of MPS using SPM.
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Affiliation(s)
- Yuji Nashimoto
- Frontier Research Institute for Interdisciplinary Sciences (FRIS) Tohoku University Miyagi 980‐8578 Japan
- Graduate School of Engineering Tohoku University Miyagi 980‐8579 Japan
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
| | - Minori Abe
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
| | - Ryota Fujii
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
| | - Noriko Taira
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
| | - Hiroki Ida
- Frontier Research Institute for Interdisciplinary Sciences (FRIS) Tohoku University Miyagi 980‐8578 Japan
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
- WPI‐Advanced Institute for Materials Research Tohoku University Miyagi 980‐8577 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Science and Technology Agency (JST) Saitama 332‐0012 Japan
| | - Yasufumi Takahashi
- Precursory Research for Embryonic Science and Technology (PRESTO) Science and Technology Agency (JST) Saitama 332‐0012 Japan
- WPI‐Nano Life Science Institute Kanazawa University Ishikawa 920‐1192 Japan
| | - Kosuke Ino
- Graduate School of Engineering Tohoku University Miyagi 980‐8579 Japan
| | - Javier Ramon‐Azcon
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology Barcelona 08028 Spain
- Institució Catalana de Reserca I Estudis Avançats (ICREA) Passeig de Lluís Companys, 23 Barcelona E08010 Spain
| | - Hitoshi Shiku
- Graduate School of Engineering Tohoku University Miyagi 980‐8579 Japan
- Graduate School of Environmental Studies Tohoku University Miyagi 980‐8579 Japan
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Zhang P, Shao N, Qin L. Recent Advances in Microfluidic Platforms for Programming Cell-Based Living Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005944. [PMID: 34270839 DOI: 10.1002/adma.202005944] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/20/2020] [Indexed: 06/13/2023]
Abstract
Cell-based living materials, including single cells, cell-laden fibers, cell sheets, organoids, and organs, have attracted intensive interests owing to their widespread applications in cancer therapy, regenerative medicine, drug development, and so on. Significant progress in materials, microfabrication, and cell biology have promoted the development of numerous promising microfluidic platforms for programming these cell-based living materials with a high-throughput, scalable, and efficient manner. In this review, the recent progress of novel microfluidic platforms for programming cell-based living materials is presented. First, the unique features, categories, and materials and related fabrication methods of microfluidic platforms are briefly introduced. From the viewpoint of the design principles of the microfluidic platforms, the recent significant advances of programming single cells, cell-laden fibers, cell sheets, organoids, and organs in turns are then highlighted. Last, by providing personal perspectives on challenges and future trends, this review aims to motivate researchers from the fields of materials and engineering to work together with biologists and physicians to promote the development of cell-based living materials for human healthcare-related applications.
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Affiliation(s)
- Pengchao Zhang
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX, 77030, USA
- Department of Cell and Developmental Biology, Weill Medical College of Cornell University, New York, NY, 10065, USA
| | - Ning Shao
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX, 77030, USA
- Department of Cell and Developmental Biology, Weill Medical College of Cornell University, New York, NY, 10065, USA
| | - Lidong Qin
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX, 77030, USA
- Department of Cell and Developmental Biology, Weill Medical College of Cornell University, New York, NY, 10065, USA
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Dessalles CA, Ramón-Lozano C, Babataheri A, Barakat AI. Luminal flow actuation generates coupled shear and strain in a microvessel-on-chip. Biofabrication 2021; 14. [PMID: 34592728 DOI: 10.1088/1758-5090/ac2baa] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 09/30/2021] [Indexed: 12/12/2022]
Abstract
In the microvasculature, blood flow-derived forces are key regulators of vascular structure and function. Consequently, the development of hydrogel-based microvessel-on-chip systems that strive to mimic thein vivocellular organization and mechanical environment has received great attention in recent years. However, despite intensive efforts, current microvessel-on-chip systems suffer from several limitations, most notably failure to produce physiologically relevant wall strain levels. In this study, a novel microvessel-on-chip based on the templating technique and using luminal flow actuation to generate physiologically relevant levels of wall shear stress and circumferential stretch is presented. Normal forces induced by the luminal pressure compress the surrounding soft collagen hydrogel, dilate the channel, and create large circumferential strain. The fluid pressure gradient in the system drives flow forward and generates realistic pulsatile wall shear stresses. Rigorous characterization of the system reveals the crucial role played by the poroelastic behavior of the hydrogel in determining the magnitudes of the wall shear stress and strain. The experimental measurements are combined with an analytical model of flow in both the lumen and the porous hydrogel to provide an exceptionally versatile user manual for an application-based choice of parameters in microvessels-on-chip. This unique strategy of flow actuation adds a dimension to the capabilities of microvessel-on-chip systems and provides a more general framework for improving hydrogel-basedin vitroengineered platforms.
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Affiliation(s)
- Claire A Dessalles
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120 Palaiseau, France
| | - Clara Ramón-Lozano
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120 Palaiseau, France
| | - Avin Babataheri
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120 Palaiseau, France
| | - Abdul I Barakat
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, 91120 Palaiseau, France
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40
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Vasculature-on-chip for Assessment of Bioresorbable Scaffolds and Endothelial Barrier Integrity. J Cardiovasc Pharmacol 2021; 78:515-522. [PMID: 34651600 DOI: 10.1097/fjc.0000000000001086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/29/2021] [Indexed: 11/26/2022]
Abstract
ABSTRACT Endothelial cells adhere to one another through junctional structures formed by intercellular adhesion molecules. These intercellular proteins regulate barrier function in response to the hemodynamic shear rate and enable the selective passage of solutes and fluids across the endothelium. After endovascular device implantation, the endothelial barrier is compromised and becomes discontinuous, which increases permeability, allowing transmigration of leukocytes and lipoproteins and leading to the accumulation of lipid-laden foamy macrophages in the subendothelial space. Drug-coated bioresorbable vascular scaffold implants have been associated with unexpected thrombotic complications, which were not predicted in animals because of dissimilarities in endothelial regeneration and realignment between animals and humans. The development of a microengineered, microfluidics-based system of patterned channels lined with human endothelial and smooth muscle cells perfused with blood allows for the evaluation of endothelial function and barrier integrity. This review highlights the translational potential of vasculature-on-chip, which recreates the microphysiological milieu to evaluate the impact of drug-eluting bioresorbable vascular scaffolds on endothelial barrier integrity and to characterize polymer biodegradation behavior and drug release kinetic profiles over time.
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41
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Gomez AH, Joshi S, Yang Y, Tune JD, Zhao MT, Yang H. Bioengineering Systems for Modulating Notch Signaling in Cardiovascular Development, Disease, and Regeneration. J Cardiovasc Dev Dis 2021; 8:125. [PMID: 34677194 PMCID: PMC8541010 DOI: 10.3390/jcdd8100125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 12/13/2022] Open
Abstract
The Notch intercellular signaling pathways play significant roles in cardiovascular development, disease, and regeneration through modulating cardiovascular cell specification, proliferation, differentiation, and morphogenesis. The dysregulation of Notch signaling leads to malfunction and maldevelopment of the cardiovascular system. Currently, most findings on Notch signaling rely on animal models and a few clinical studies, which significantly bottleneck the understanding of Notch signaling-associated human cardiovascular development and disease. Recent advances in the bioengineering systems and human pluripotent stem cell-derived cardiovascular cells pave the way to decipher the role of Notch signaling in cardiovascular-related cells (endothelial cells, cardiomyocytes, smooth muscle cells, fibroblasts, and immune cells), and intercellular crosstalk in the physiological, pathological, and regenerative context of the complex human cardiovascular system. In this review, we first summarize the significant roles of Notch signaling in individual cardiac cell types. We then cover the bioengineering systems of microfluidics, hydrogel, spheroid, and 3D bioprinting, which are currently being used for modeling and studying Notch signaling in the cardiovascular system. At last, we provide insights into ancillary supports of bioengineering systems, varied types of cardiovascular cells, and advanced characterization approaches in further refining Notch signaling in cardiovascular development, disease, and regeneration.
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Affiliation(s)
- Angello Huerta Gomez
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76207, USA; (A.H.G.); (S.J.); (Y.Y.)
| | - Sanika Joshi
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76207, USA; (A.H.G.); (S.J.); (Y.Y.)
- Texas Academy of Mathematics and Science, University of North Texas, Denton, TX 76201, USA
| | - Yong Yang
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76207, USA; (A.H.G.); (S.J.); (Y.Y.)
| | - Johnathan D. Tune
- Department of Physiology & Anatomy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA;
| | - Ming-Tao Zhao
- Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH 43215, USA;
- The Heart Center, Nationwide Children’s Hospital, Columbus, OH 43215, USA
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Huaxiao Yang
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76207, USA; (A.H.G.); (S.J.); (Y.Y.)
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Lust ST, Shanahan CM, Shipley RJ, Lamata P, Gentleman E. Design considerations for engineering 3D models to study vascular pathologies in vitro. Acta Biomater 2021; 132:114-128. [PMID: 33652164 PMCID: PMC7611653 DOI: 10.1016/j.actbio.2021.02.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/28/2021] [Accepted: 02/18/2021] [Indexed: 12/15/2022]
Abstract
Many cardiovascular diseases (CVD) are driven by pathological remodelling of blood vessels, which can lead to aneurysms, myocardial infarction, ischaemia and strokes. Aberrant remodelling is driven by changes in vascular cell behaviours combined with degradation, modification, or abnormal deposition of extracellular matrix (ECM) proteins. The underlying mechanisms that drive the pathological remodelling of blood vessels are multifaceted and disease specific; however, unravelling them may be key to developing therapies. Reductionist models of blood vessels created in vitro that combine cells with biomaterial scaffolds may serve as useful analogues to study vascular disease progression in a controlled environment. This review presents the main considerations for developing such in vitro models. We discuss how the design of blood vessel models impacts experimental readouts, with a particular focus on the maintenance of normal cellular phenotypes, strategies that mimic normal cell-ECM interactions, and approaches that foster intercellular communication between vascular cell types. We also highlight how choice of biomaterials, cellular arrangements and the inclusion of mechanical stimulation using fluidic devices together impact the ability of blood vessel models to mimic in vivo conditions. In the future, by combining advances in materials science, cell biology, fluidics and modelling, it may be possible to create blood vessel models that are patient-specific and can be used to develop and test therapies. STATEMENT OF SIGNIFICANCE: Simplified models of blood vessels created in vitro are powerful tools for studying cardiovascular diseases and understanding the mechanisms driving their progression. Here, we highlight the key structural and cellular components of effective models and discuss how including mechanical stimuli allows researchers to mimic native vessel behaviour in health and disease. We discuss the primary methods used to form blood vessel models and their limitations and conclude with an outlook on how blood vessel models that incorporate patient-specific cells and flows can be used in the future for personalised disease modelling.
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Affiliation(s)
- Suzette T Lust
- Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, United Kingdom; School of Biomedical Engineering and Imaging Sciences, King's College London, London SE1 7EH, United Kingdom
| | - Catherine M Shanahan
- School of Cardiovascular Medicine and Sciences, King's College London, London SE5 9NU, United Kingdom
| | - Rebecca J Shipley
- Institute of Healthcare Engineering and Department of Mechanical Engineering, University College London, London WC1E 7JE, United Kingdom
| | - Pablo Lamata
- School of Biomedical Engineering and Imaging Sciences, King's College London, London SE1 7EH, United Kingdom
| | - Eileen Gentleman
- Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, United Kingdom.
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Yu H, Kang D, Whang M, Kim T, Kim J. A Microfluidic Model Artery for Studying the Mechanobiology of Endothelial Cells. Adv Healthc Mater 2021; 10:e2100508. [PMID: 34297476 DOI: 10.1002/adhm.202100508] [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: 03/16/2021] [Revised: 06/25/2021] [Indexed: 11/07/2022]
Abstract
Recent vascular mechanobiology studies find that endothelial cells (ECs) convert multiple mechanical forces into functional responses in a nonadditive way, suggesting that signaling pathways such as those regulating cytoskeleton may be shared among the processes of converting individual forces. However, previous in vitro EC-culture platforms are inherent with extraneous mechanical components, which may saturate or insufficiently activate the shared signaling pathways and accordingly, may misguide EC mechanobiological responses being investigated. Here, a more physiologically relevant model artery is reported that accurately reproduces most of the mechanical forces found in vivo, which can be individually varied in any combination to pathological levels to achieve diseased states. Arterial geometries of normal and diseased states are also realized. By mimicking mechanical microenvironments of early-stage atherosclerosis, it is demonstrated that the elevated levels of the different types of stress experienced by ECs strongly correlate with the disruption of barrier integrity, suggesting that boundaries of an initial lesion could be sites for efficient disease progression.
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Affiliation(s)
- Hyeonji Yu
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
| | - Dongwon Kang
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
| | - Minji Whang
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
| | - Taeyoung Kim
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
| | - Jungwook Kim
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
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Li T, Liu Y, Zhang Q, Sun W, Dong Y. A steroid-induced osteonecrosis model established using an organ-on-a-chip platform. Exp Ther Med 2021; 22:1070. [PMID: 34447463 PMCID: PMC8355687 DOI: 10.3892/etm.2021.10504] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 09/11/2020] [Indexed: 12/19/2022] Open
Abstract
Bone microvascular endothelial cells (BMECs) constitute the central part of the femoral head's intramural microenvironment network and have an essential role in the development of steroid-induced osteonecrosis of the femoral head. Recently, the rapid development of microfluidic technology has led to innovations in the fields of chemistry, medicine and life sciences. It is now possible to use microfluidics organ-on-a-chip techniques to assess osteonecrosis. In the present study, BMECs were cultured on a microfluidic organ-on-a-chip platform to explore the pathogenesis of femoral-head necrosis. The aim of the present study was to explore the effects of different interventions on BMECs and study the pathogenesis of steroid-induced osteonecrosis through a microfluidic organ-on-a-chip platform. Methods including SU-8 lithography were used to produce a microfluidic organ-on-a-chip and human umbilical vein endothelial cells (HUVECs) were used to test whether it was possible to culture cells on the chip. Subsequently, a set of methods were applied for the isolation, purification, culture and identification of BMECs. Hydroxyapatite (HA) was used for co-culture, dexamethasone was used at different concentrations as an intervention in the cells and icariin was used for protection. BMECs were isolated and cultured from the femoral head obtained following total hip arthroplasty and were then inoculated into the microfluidic organ-on-a-chip for further treatment. In part I of the experiment, HUVECs and BMECs both successfully survived on the chip and a comparison of the growth and morphology was performed. HA and BMECs were then co-cultured for comparison with the control group. The cell growth was observed by confocal microscopy after 24 h. In part II, the effects of different concentrations of glucocorticoid (0.4 or 0.6 mg/ml dexamethasone) and the protection of icariin were evaluated. The morphology of BMECs and the cleaved caspase-3/7 content were observed by immunofluorescence staining and confocal microscopy after 24 h. In the microfluidic organ-on-a-chip, the response of the cells was able to be accurately observed. In part I, at the same concentration of injected cells, BMECs exhibited improved viability compared with HUVECs (P<0.05). In addition, it was indicated that HA was not only able to promote the germination and growth of BMECs but also improve the survival of the cells (P<0.05). In part II, it was identified that dexamethasone was able to induce BMECs to produce cleaved caspase 3/7; the caspase 3/7 content was significantly higher than that in the blank control group (P<0.05) and a dose correlation was observed. Icariin was able to inhibit this process and protect the microvascular structure of BMECs. The content of cleaved caspase 3/7 in the icariin-protected group was significantly lower than that in the group without icariin (P<0.05). It was concluded that BMECs are more likely to survive than HUVECs and HA promoted the growth of BMECs on the microfluidic organ-on-a-chip platform. Glucocorticoid caused damage to BMECs through the production of cleaved caspase 3/7, which was observed through the microfluidic organ-on-a-chip platform, and icariin protected BMECs from damage.
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Affiliation(s)
- Tengqi Li
- Department of Orthopedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, P.R. China
| | - Yadi Liu
- Department of Bioanalysis, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Qingyu Zhang
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Wei Sun
- Department of Orthopedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, P.R. China.,Department of Orthopedic Surgery, China-Japan Friendship Hospital, Beijing 100029, P.R. China
| | - Yiyang Dong
- Department of Bioanalysis, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
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Shakeri A, Khan S, Didar TF. Conventional and emerging strategies for the fabrication and functionalization of PDMS-based microfluidic devices. LAB ON A CHIP 2021; 21:3053-3075. [PMID: 34286800 DOI: 10.1039/d1lc00288k] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Microfluidics is an emerging and multidisciplinary field that is of great interest to manufacturers in medicine, biotechnology, and chemistry, as it provides unique tools for the development of point-of-care diagnostics, organs-on-chip systems, and biosensors. Polymeric microfluidics, unlike glass and silicon, offer several advantages such as low-cost mass manufacturing and a wide range of beneficial material properties, which make them the material of choice for commercial applications and high-throughput systems. Among polymers used for the fabrication of microfluidic devices, polydimethylsiloxane (PDMS) still remains the most widely used material in academia due to its advantageous properties, such as excellent transparency and biocompatibility. However, commercialization of PDMS has been a challenge mostly due to the high cost of the current fabrication strategies. Moreover, specific surface modification and functionalization steps are required to tailor the surface chemistry of PDMS channels (e.g. biomolecule immobilization, surface hydrophobicity and antifouling properties) with respect to the desired application. While significant research has been reported in the field of PDMS microfluidics, functionalization of PDMS surfaces remains a critical step in the fabrication process that is difficult to navigate. This review first offers a thorough illustration of existing fabrication methods for PDMS-based microfluidic devices, providing several recent advancements in this field with the aim of reducing the cost and time for mass production of these devices. Next, various conventional and emerging approaches for engineering the surface chemistry of PDMS are discussed in detail. We provide a wide range of functionalization techniques rendering PDMS microchannels highly biocompatible for physical or covalent immobilization of various biological entities while preventing non-specific interactions.
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Affiliation(s)
- Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada.
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Tohid F Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada.
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
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Immobilization of Jagged1 Enhances Vascular Smooth Muscle Cells Maturation by Activating the Notch Pathway. Cells 2021; 10:cells10082089. [PMID: 34440858 PMCID: PMC8391929 DOI: 10.3390/cells10082089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 12/14/2022] Open
Abstract
In Notch signaling, the Jagged1-Notch3 ligand-receptor pairing is implicated for regulating the phenotype maturity of vascular smooth muscle cells. However, less is known about the role of Jagged1 presentation strategy in this regulation. In this study, we used bead-immobilized Jagged1 to direct phenotype control of primary human coronary artery smooth muscle cells (HCASMC), and to differentiate embryonic multipotent mesenchymal progenitor (10T1/2) cell towards a vascular lineage. This Jagged1 presentation strategy was sufficient to activate the Notch transcription factor HES1 and induce early-stage contractile markers, including smooth muscle α-actin and calponin in HCASMCs. Bead-bound Jagged1 was unable to regulate the late-stage markers myosin heavy chain and smoothelin; however, serum starvation and TGFβ1 were used to achieve a fully contractile smooth muscle cell. When progenitor 10T1/2 cells were used for Notch3 signaling, pre-differentiation with TGFβ1 was required for a robust Jagged1 specific response, suggesting a SMC lineage commitment was necessary to direct SMC differentiation and maturity. The presence of a magnetic tension force to the ligand-receptor complex was evaluated for signaling efficacy. Magnetic pulling forces downregulated HES1 and smooth muscle α-actin in both HCASMCs and progenitor 10T1/2 cells. Taken together, this study demonstrated that (i) bead-bound Jagged1 was sufficient to activate Notch3 and promote SMC differentiation/maturation and (ii) magnetic pulling forces did not activate Notch3, suggesting the bead alone was able to provide necessary clustering or traction forces for Notch activation. Notch is highly context-dependent; therefore, these findings provide insights to improve biomaterial-driven Jagged1 control of SMC behavior.
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Cellular Crosstalk between Endothelial and Smooth Muscle Cells in Vascular Wall Remodeling. Int J Mol Sci 2021; 22:ijms22147284. [PMID: 34298897 PMCID: PMC8306829 DOI: 10.3390/ijms22147284] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/25/2021] [Accepted: 07/01/2021] [Indexed: 12/24/2022] Open
Abstract
Pathological vascular wall remodeling refers to the structural and functional changes of the vessel wall that occur in response to injury that eventually leads to cardiovascular disease (CVD). Vessel wall are composed of two major primary cells types, endothelial cells (EC) and vascular smooth muscle cells (VSMCs). The physiological communications between these two cell types (EC–VSMCs) are crucial in the development of the vasculature and in the homeostasis of mature vessels. Moreover, aberrant EC–VSMCs communication has been associated to the promotor of various disease states including vascular wall remodeling. Paracrine regulations by bioactive molecules, communication via direct contact (junctions) or information transfer via extracellular vesicles or extracellular matrix are main crosstalk mechanisms. Identification of the nature of this EC–VSMCs crosstalk may offer strategies to develop new insights for prevention and treatment of disease that curse with vascular remodeling. Here, we will review the molecular mechanisms underlying the interplay between EC and VSMCs. Additionally, we highlight the potential applicable methodologies of the co-culture systems to identify cellular and molecular mechanisms involved in pathological vascular wall remodeling, opening questions about the future research directions.
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Zhao Q, Cole T, Zhang Y, Tang SY. Mechanical Strain-Enabled Reconstitution of Dynamic Environment in Organ-on-a-Chip Platforms: A Review. MICROMACHINES 2021; 12:765. [PMID: 34203533 PMCID: PMC8304354 DOI: 10.3390/mi12070765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022]
Abstract
Organ-on-a-chip (OOC) uses the microfluidic 3D cell culture principle to reproduce organ- or tissue-level functionality at a small scale instead of replicating the entire human organ. This provides an alternative to animal models for drug development and environmental toxicology screening. In addition to the biomimetic 3D microarchitecture and cell-cell interactions, it has been demonstrated that mechanical stimuli such as shear stress and mechanical strain significantly influence cell behavior and their response to pharmaceuticals. Microfluidics is capable of precisely manipulating the fluid of a microenvironment within a 3D cell culture platform. As a result, many OOC prototypes leverage microfluidic technology to reproduce the mechanically dynamic microenvironment on-chip and achieve enhanced in vitro functional organ models. Unlike shear stress that can be readily generated and precisely controlled using commercial pumping systems, dynamic systems for generating proper levels of mechanical strains are more complicated, and often require miniaturization and specialized designs. As such, this review proposes to summarize innovative microfluidic OOC platforms utilizing mechanical actuators that induce deflection of cultured cells/tissues for replicating the dynamic microenvironment of human organs.
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Affiliation(s)
- Qianbin Zhao
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Tim Cole
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Yuxin Zhang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Shi-Yang Tang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
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Argueta LB, Niles JA, Sakamoto J, Liu X, Vega SP, Frank L, Paessler M, Cortiella J, Nichols JE. Platforms to test the temporospatial capabilities of carrier systems in delivering growth factors to benefit vascular bioengineering. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 36:102419. [PMID: 34147665 DOI: 10.1016/j.nano.2021.102419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 05/04/2021] [Accepted: 05/27/2021] [Indexed: 11/16/2022]
Abstract
In this study we produced a set of in vitro culture platforms to model vascular cell responses to growth factors and factor delivery vehicles. Two of the systems (whole vessel and whole lung vascular development) were supported by microfluidic systems facilitating media circulation and waste removal. We assessed vascular endothelial growth factor (VEGF) delivery by Pluronic F-127 hydrogel, 30 nm pore-sized microparticles (MPs), 60 nm pore-sized MP or a 50/50 mixture of 30 and 60 nm pore-sized MP. VEGF was delivered to porcine acellular lung vascular scaffolds (2.5 cm2 square pieces or whole 3D segments of acellular blood vessels) as well as whole acellular lung scaffolds. Scaffold-cell attachment was examined as was vascular tissue formation. We showed that a 50/50 mixture of 30 and 60 nm pore-sized silicon wafer MPs allowed for long-term release of VEGF within the scaffold vasculature and supported vascular endothelial tissue development during in vitro culture.
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Affiliation(s)
| | - Jean A Niles
- University of Texas Medical Branch (UTMB) Department of Internal Medicine, Division of Infectious Diseases, Galveston, TX.
| | | | - Xuewu Liu
- Houston Methodist Research Institute, Houston, TX.
| | - Stephanie P Vega
- University of Texas Medical Branch (UTMB) Department of Internal Medicine, Division of Infectious Diseases, Galveston, TX.
| | - Luba Frank
- UTMB Department of Radiology, Galveston, TX.
| | - Marco Paessler
- University of Texas Medical Branch (UTMB) Department of Internal Medicine, Division of Infectious Diseases, Galveston, TX; UTMB Department of Pathology, Galveston, TX.
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Su C, Menon NV, Xu X, Teo YR, Cao H, Dalan R, Tay CY, Hou HW. A novel human arterial wall-on-a-chip to study endothelial inflammation and vascular smooth muscle cell migration in early atherosclerosis. LAB ON A CHIP 2021; 21:2359-2371. [PMID: 33978037 DOI: 10.1039/d1lc00131k] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Mechanistic understanding of atherosclerosis is largely hampered by the lack of a suitable in vitro human arterial model that recapitulates the arterial wall structure, and the interplay between different cell types and the surrounding extracellular matrix (ECM). This work introduces a novel microfluidic endothelial cell (EC)-smooth muscle cell (SMC) 3D co-culture platform that replicates the structural and biological aspects of the human arterial wall for modeling early atherosclerosis. Using a modified surface tension-based ECM patterning method, we established a well-defined intima-media-like structure, and identified an ECM composition (collagen I and Matrigel mixture) that retains the SMCs in a quiescent and aligned state, characteristic of a healthy artery. Endothelial stimulation with cytokines (IL-1β and TNFα) and oxidized low-density lipoprotein (oxLDL) was performed on-chip to study various early atherogenic events including endothelial inflammation (ICAM-1 expression), EC/SMC oxLDL uptake, SMC migration, and monocyte-EC adhesion. As a proof-of-concept for drug screening applications, we demonstrated the atheroprotective effects of vitamin D (1,25(OH)2D3) and metformin in mitigating cytokine-induced monocyte-EC adhesion and SMC migration. Overall, the developed arterial wall model facilitates quantitative and multi-factorial studies of EC and SMC phenotype in an atherogenic environment, and can be readily used as a platform technology to reconstitute multi-layered ECM tissue biointerfaces.
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Affiliation(s)
- Chengxun Su
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore. and Interdisciplinary Graduate School, Nanyang Technological University, Singapore, 639798, Singapore
| | - Nishanth Venugopal Menon
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
| | - Xiaohan Xu
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
| | - Yu Rong Teo
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
| | - Huan Cao
- School of Materials Science & Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Rinkoo Dalan
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 308232, Singapore and Endocrinology Department, Tan Tock Seng Hospital, Singapore, 308433, Singapore
| | - Chor Yong Tay
- School of Materials Science & Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Han Wei Hou
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore. and Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 308232, Singapore
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