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Dong Y, Zhou X, Ding Y, Luo Y, Zhao H. Advances in tumor microenvironment: Applications and challenges of 3D bioprinting. Biochem Biophys Res Commun 2024; 730:150339. [PMID: 39032359 DOI: 10.1016/j.bbrc.2024.150339] [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: 01/08/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/23/2024]
Abstract
The tumor microenvironment (TME) assumes a pivotal role in the treatment of oncological diseases, given its intricate interplay of diverse cellular components and extracellular matrices. This dynamic ecosystem poses a serious challenge to traditional research methods in many ways, such as high research costs, inefficient translation, poor reproducibility, and low modeling success rates. These challenges require the search for more suitable research methods to accurately model the TME, and the emergence of 3D bioprinting technology is transformative and an important complement to these traditional methods to precisely control the distribution of cells, biomolecules, and matrix scaffolds within the TME. Leveraging digital design, the technology enables personalized studies with high precision, providing essential experimental flexibility. Serving as a critical bridge between in vitro and in vivo studies, 3D bioprinting facilitates the realistic 3D culturing of cancer cells. This comprehensive article delves into cutting-edge developments in 3D bioprinting, encompassing diverse methodologies, biomaterial choices, and various 3D tumor models. Exploration of current challenges, including limited biomaterial options, printing accuracy constraints, low reproducibility, and ethical considerations, contributes to a nuanced understanding. Despite these challenges, the technology holds immense potential for simulating tumor tissues, propelling personalized medicine, and constructing high-resolution organ models, marking a transformative trajectory in oncological research.
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Affiliation(s)
- Yingying Dong
- The First School of Climical Medicine of Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Xue Zhou
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310058, China; State Key Laboratory of Fluid Power & Mechatronic Systems, Zhejiang University, Hangzhou, 310058, China.
| | - Yunyi Ding
- Department of Emergency Medicine, The Second Affiliated Hospital of Zhejiang University, School, Hangzhou, 310009, China.
| | - Yichen Luo
- School of Mechanical Engineering, Zhejiang University, Hangzhou, 310058, China; State Key Laboratory of Fluid Power & Mechatronic Systems, Zhejiang University, Hangzhou, 310058, China.
| | - Hong Zhao
- The First School of Climical Medicine of Zhejiang Chinese Medical University, Hangzhou, 310053, China; Department of Breast Surgery, The First Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, 310060, China.
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2
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Zhang N, Sun T, Liu Z, Zhang Y, Xu Y, Wang J. A universal inverse design methodology for microfluidic mixers. BIOMICROFLUIDICS 2024; 18:024102. [PMID: 38560343 PMCID: PMC10977039 DOI: 10.1063/5.0185494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 03/11/2024] [Indexed: 04/04/2024]
Abstract
The intelligent design of microfluidic mixers encompasses both the automation of predicting fluid performance and the structural design of mixers. This article delves into the technical trajectory of computer-aided design for micromixers, leveraging artificial intelligence algorithms. We propose an automated micromixer design methodology rooted in cost-effective artificial neural network (ANN) models paired with inverse design algorithms. Initially, we introduce two inverse design methods for micromixers: one that combines ANN with multi-objective genetic algorithms, and another that fuses ANN with particle swarm optimization algorithms. Subsequently, using two benchmark micromixers as case studies, we demonstrate the automatic derivation of micromixer structural parameters. Finally, we automatically design and optimize 50 sets of micromixer structures using the proposed algorithms. The design accuracy is further enhanced by analyzing the inverse design algorithm from a statistical standpoint.
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Affiliation(s)
- Naiyin Zhang
- School of Automation, Hangzhou Dianzi University, Hangzhou, China
| | - Taotao Sun
- School of Integrated Circuit Science and Engineering, Hangzhou Dianzi University, Hangzhou, China
| | - Zhenya Liu
- School of Integrated Circuit Science and Engineering, Hangzhou Dianzi University, Hangzhou, China
| | - Yidan Zhang
- School of Integrated Circuit Science and Engineering, Hangzhou Dianzi University, Hangzhou, China
| | - Ying Xu
- School of Automation, Hangzhou Dianzi University, Hangzhou, China
| | - Junchao Wang
- School of Integrated Circuit Science and Engineering, Hangzhou Dianzi University, Hangzhou, China
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3
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Verma S, Khanna V, Kumar S, Kumar S. The Art of Building Living Tissues: Exploring the Frontiers of Biofabrication with 3D Bioprinting. ACS OMEGA 2023; 8:47322-47339. [PMID: 38144142 PMCID: PMC10734012 DOI: 10.1021/acsomega.3c02600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 09/11/2023] [Indexed: 12/26/2023]
Abstract
The scope of three-dimensional printing is expanding rapidly, with innovative approaches resulting in the evolution of state-of-the-art 3D bioprinting (3DbioP) techniques for solving issues in bioengineering and biopharmaceutical research. The methods and tools in 3DbioP emphasize the extrusion process, bioink formulation, and stability of the bioprinted scaffold. Thus, 3DbioP technology augments 3DP in the biological world by providing technical support to regenerative therapy, drug delivery, bioengineering of prosthetics, and drug kinetics research. Besides the above, drug delivery and dosage control have been achieved using 3D bioprinted microcarriers and capsules. Developing a stable, biocompatible, and versatile bioink is a primary requisite in biofabrication. The 3DbioP research is breaking the technical barriers at a breakneck speed. Numerous techniques and biomaterial advancements have helped to overcome current 3DbioP issues related to printability, stability, and bioink formulation. Therefore, this Review aims to provide an insight into the technical challenges of bioprinting, novel biomaterials for bioink formulation, and recently developed 3D bioprinting methods driving future applications in biofabrication research.
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Affiliation(s)
- Saurabh Verma
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Vikram Khanna
- Department
of Oral Medicine and Radiology, King George’s
Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Smita Kumar
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Sumit Kumar
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
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Erickson P, Jetley G, Amin P, Mejevdiwala A, Patel A, Cheng K, Parekkadan B. A cell culture system to model pharmacokinetics using adjustable-volume perfused mixing chambers. Toxicol In Vitro 2023; 91:105623. [PMID: 37236431 PMCID: PMC10526707 DOI: 10.1016/j.tiv.2023.105623] [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: 12/21/2022] [Revised: 04/03/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023]
Abstract
The pharmacokinetic (PK) profile of a drug is an essential factor in determining its efficacy, yet it is often neglected during in vitro cell culture experiments. Here, we present a system in which standard well plate cultures may be "plugged in" and perfused with PK drug profiles. Timed drug boluses or infusions are passed through a mixing chamber that simulates the PK volume of distribution specific to the desired drug. The user-specified PK drug profile generated by the mixing chamber passes through the incubated well plate culture, exposing cells to in vivo-like PK drug dynamics. The effluent stream from the culture may then optionally be fractionated and collected by a fraction collector. This low-cost system requires no custom parts and perfuses up to six cultures in parallel. This paper demonstrates a range of PK profiles the system can produce using a tracer dye, describes how to find the correct mixing chamber volumes to mimic PK profiles of drugs of interest, and presents a study exploring the effects of differing PK exposure on a model of lymphoma treatment with chemotherapy.
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Affiliation(s)
- Patrick Erickson
- Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Gunjan Jetley
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Param Amin
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Aamena Mejevdiwala
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Ashna Patel
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Kelli Cheng
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Biju Parekkadan
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA; Department of Medicine, Rutgers Biomedical Health Sciences, New Brunswick, NJ 08852, USA.
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Hadavi D, Tosheva I, Siegel TP, Cuypers E, Honing M. Technological advances for analyzing the content of organ-on-a-chip by mass spectrometry. Front Bioeng Biotechnol 2023; 11:1197760. [PMID: 37284240 PMCID: PMC10239923 DOI: 10.3389/fbioe.2023.1197760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/05/2023] [Indexed: 06/08/2023] Open
Abstract
Three-dimensional (3D) cell cultures, including organ-on-a-chip (OOC) devices, offer the possibility to mimic human physiology conditions better than 2D models. The organ-on-a-chip devices have a wide range of applications, including mechanical studies, functional validation, and toxicology investigations. Despite many advances in this field, the major challenge with the use of organ-on-a-chips relies on the lack of online analysis methods preventing the real-time observation of cultured cells. Mass spectrometry is a promising analytical technique for real-time analysis of cell excretes from organ-on-a-chip models. This is due to its high sensitivity, selectivity, and ability to tentatively identify a large variety of unknown compounds, ranging from metabolites, lipids, and peptides to proteins. However, the hyphenation of organ-on-a-chip with MS is largely hampered by the nature of the media used, and the presence of nonvolatile buffers. This in turn stalls the straightforward and online connection of organ-on-a-chip outlet to MS. To overcome this challenge, multiple advances have been made to pre-treat samples right after organ-on-a-chip and just before MS. In this review, we summarised these technological advances and exhaustively evaluated their benefits and shortcomings for successful hyphenation of organ-on-a-chip with MS.
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Chen K, Li Y, Wang B, Yan X, Tao Y, Song W, Xi Z, He K, Xia Q. Patient-derived models facilitate precision medicine in liver cancer by remodeling cell-matrix interaction. Front Immunol 2023; 14:1101324. [PMID: 37215109 PMCID: PMC10192760 DOI: 10.3389/fimmu.2023.1101324] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 04/24/2023] [Indexed: 05/24/2023] Open
Abstract
Liver cancer is an aggressive tumor originating in the liver with a dismal prognosis. Current evidence suggests that liver cancer is the fifth most prevalent cancer worldwide and the second most deadly type of malignancy. Tumor heterogeneity accounts for the differences in drug responses among patients, emphasizing the importance of precision medicine. Patient-derived models of cancer are widely used preclinical models to study precision medicine since they preserve tumor heterogeneity ex vivo in the study of many cancers. Patient-derived models preserving cell-cell and cell-matrix interactions better recapitulate in vivo conditions, including patient-derived xenografts (PDXs), induced pluripotent stem cells (iPSCs), precision-cut liver slices (PCLSs), patient-derived organoids (PDOs), and patient-derived tumor spheroids (PDTSs). In this review, we provide a comprehensive overview of the different modalities used to establish preclinical models for precision medicine in liver cancer.
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Affiliation(s)
- Kaiwen Chen
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
| | - Yanran Li
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
| | - Bingran Wang
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
| | - Xuehan Yan
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiying Tao
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weizhou Song
- Ottawa-Shanghai Joint School of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhifeng Xi
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
| | - Kang He
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
- Shanghai Institute of Transplantation, Shanghai, China
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7
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Sung B. In silico modeling of endocrine organ-on-a-chip systems. Math Biosci 2022; 352:108900. [PMID: 36075288 DOI: 10.1016/j.mbs.2022.108900] [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: 05/11/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 10/14/2022]
Abstract
The organ-on-a-chip (OoC) is an artificially reconstructed microphysiological system that is implemented using tissue mimics integrated into miniaturized perfusion devices. OoCs emulate dynamic and physiologically relevant features of the body, which are not available in standard in vitro methods. Furthermore, OoCs provide highly sophisticated multi-organ connectivity and biomechanical cues based on microfluidic platforms. Consequently, they are often considered ideal in vitro systems for mimicking self-regulating biophysical and biochemical networks in vivo where multiple tissues and organs crosstalk through the blood flow, similar to the human endocrine system. Therefore, OoCs have been extensively applied to simulate complex hormone dynamics and endocrine signaling pathways in a mechanistic and fully controlled manner. Mathematical and computational modeling approaches are critical for quantitatively analyzing an OoC and predicting its complex responses. In this review article, recently developed in silico modeling concepts of endocrine OoC systems are summarized, including the mathematical models of tissue-level transport phenomena, microscale fluid dynamics, distant hormone signaling, and heterogeneous cell-cell communication. From this background, whole chip-level analytic approaches in pharmacokinetics and pharmacodynamics will be described with a focus on the spatial and temporal behaviors of absorption, distribution, metabolism, and excretion in endocrine biochips. Finally, quantitative design frameworks for endocrine OoCs are reviewed with respect to support parameter calibration/scaling and enable predictive in vitro-in vivo extrapolations. In particular, we highlight the analytical and numerical modeling strategies of the nonlinear phenomena in endocrine systems on-chip, which are of particular importance in drug screening and environmental health applications.
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Affiliation(s)
- Baeckkyoung Sung
- Biosensor Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany; Division of Energy & Environment Technology, University of Science & Technology, 34113 Daejeon, Republic of Korea.
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8
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Luo YS, Chen Z, Hsieh NH, Lin TE. Chemical and biological assessments of environmental mixtures: A review of current trends, advances, and future perspectives. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128658. [PMID: 35290896 DOI: 10.1016/j.jhazmat.2022.128658] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/21/2022] [Accepted: 03/07/2022] [Indexed: 05/28/2023]
Abstract
Considering the chemical complexity and toxicity data gaps of environmental mixtures, most studies evaluate the chemical risk individually. However, humans are usually exposed to a cocktail of chemicals in real life. Mixture health assessment remains to be a research area having significant knowledge gaps. Characterization of chemical composition and bioactivity/toxicity are the two critical aspects of mixture health assessments. This review seeks to introduce the recent progress and tools for the chemical and biological characterization of environmental mixtures. The state-of-the-art techniques include the sampling, extraction, rapid detection methods, and the in vitro, in vivo, and in silico approaches to generate the toxicity data of an environmental mixture. Application of these novel methods, or new approach methodologies (NAMs), has increased the throughput of generating chemical and toxicity data for mixtures and thus refined the mixture health assessment. Combined with computational methods, the chemical and biological information would shed light on identifying the bioactive/toxic components in an environmental mixture.
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Affiliation(s)
- Yu-Syuan Luo
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, Taipei City, Taiwan.
| | - Zunwei Chen
- Program in Molecular and Integrative Physiological Sciences, Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - Nan-Hung Hsieh
- Interdisciplinary Faculty of Toxicology and Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Tzu-En Lin
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
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Manmana Y, Hiraoka N, Naito T, Kubo T, Otsuka K. Development of a microfluidic dispensing device for multivariate data acquisition and application in molecularly imprinting hydrogel preparation. J Mater Chem B 2022; 10:6664-6672. [DOI: 10.1039/d2tb00685e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecularly imprinted polymer (MIP) is the superior material with molecular recognition ability that applies to various applications. In order to get high specificity recognition for target molecules, selecting polymerization conditions,...
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10
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de Hoyos-Vega JM, Hong HJ, Stybayeva G, Revzin A. Hepatocyte cultures: From collagen gel sandwiches to microfluidic devices with integrated biosensors. APL Bioeng 2021; 5:041504. [PMID: 34703968 PMCID: PMC8519630 DOI: 10.1063/5.0058798] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/21/2021] [Indexed: 02/06/2023] Open
Abstract
Hepatocytes are parenchymal cells of the liver responsible for drug detoxification, urea and bile production, serum protein synthesis, and glucose homeostasis. Hepatocytes are widely used for drug toxicity studies in bioartificial liver devices and for cell-based liver therapies. Because hepatocytes are highly differentiated cells residing in a complex microenvironment in vivo, they tend to lose hepatic phenotype and function in vitro. This paper first reviews traditional culture approaches used to rescue hepatic function in vitro and then discusses the benefits of emerging microfluidic-based culture approaches. We conclude by reviewing integration of hepatocyte cultures with bioanalytical or sensing approaches.
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Affiliation(s)
- Jose M. de Hoyos-Vega
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Hye Jin Hong
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Gulnaz Stybayeva
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55902, USA
| | - Alexander Revzin
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55902, USA
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Wei YP, Yao LY, Wu YY, Liu X, Peng LH, Tian YL, Ding JH, Li KH, He QG. Critical Review of Synthesis, Toxicology and Detection of Acyclovir. Molecules 2021; 26:molecules26216566. [PMID: 34770975 PMCID: PMC8587948 DOI: 10.3390/molecules26216566] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 02/02/2023] Open
Abstract
Acyclovir (ACV) is an effective and selective antiviral drug, and the study of its toxicology and the use of appropriate detection techniques to control its toxicity at safe levels are extremely important for medicine efforts and human health. This review discusses the mechanism driving ACV’s ability to inhibit viral coding, starting from its development and pharmacology. A comprehensive summary of the existing preparation methods and synthetic materials, such as 5-aminoimidazole-4-carboxamide, guanine and its derivatives, and other purine derivatives, is presented to elucidate the preparation of ACV in detail. In addition, it presents valuable analytical procedures for the toxicological studies of ACV, which are essential for human use and dosing. Analytical methods, including spectrophotometry, high performance liquid chromatography (HPLC), liquid chromatography/tandem mass spectrometry (LC-MS/MS), electrochemical sensors, molecularly imprinted polymers (MIPs), and flow injection–chemiluminescence (FI-CL) are also highlighted. A brief description of the characteristics of each of these methods is also presented. Finally, insight is provided for the development of ACV to drive further innovation of ACV in pharmaceutical applications. This review provides a comprehensive summary of the past life and future challenges of ACV.
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Affiliation(s)
- Yan-Ping Wei
- School of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.-P.W.); (Y.-Y.W.); (L.-H.P.); (Y.-L.T.)
- Zhuzhou People’s Hospital, Zhuzhou 412001, China; (X.L.); (J.-H.D.)
- Hunan Qianjin Xiangjiang Pharmaceutical Joint Stock Co., Ltd., Zhuzhou 412001, China;
| | - Liang-Yuan Yao
- Hunan Qianjin Xiangjiang Pharmaceutical Joint Stock Co., Ltd., Zhuzhou 412001, China;
| | - Yi-Yong Wu
- School of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.-P.W.); (Y.-Y.W.); (L.-H.P.); (Y.-L.T.)
| | - Xia Liu
- Zhuzhou People’s Hospital, Zhuzhou 412001, China; (X.L.); (J.-H.D.)
| | - Li-Hong Peng
- School of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.-P.W.); (Y.-Y.W.); (L.-H.P.); (Y.-L.T.)
| | - Ya-Ling Tian
- School of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.-P.W.); (Y.-Y.W.); (L.-H.P.); (Y.-L.T.)
| | - Jian-Hua Ding
- Zhuzhou People’s Hospital, Zhuzhou 412001, China; (X.L.); (J.-H.D.)
| | - Kang-Hua Li
- Zhuzhou People’s Hospital, Zhuzhou 412001, China; (X.L.); (J.-H.D.)
- Correspondence: (K.-H.L.); (Q.-G.H.); Tel./Fax: +86-731-2218-3426 (Q.-G.H.)
| | - Quan-Guo He
- School of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.-P.W.); (Y.-Y.W.); (L.-H.P.); (Y.-L.T.)
- Zhuzhou People’s Hospital, Zhuzhou 412001, China; (X.L.); (J.-H.D.)
- Hunan Qianjin Xiangjiang Pharmaceutical Joint Stock Co., Ltd., Zhuzhou 412001, China;
- Correspondence: (K.-H.L.); (Q.-G.H.); Tel./Fax: +86-731-2218-3426 (Q.-G.H.)
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Cecen B, Karavasili C, Nazir M, Bhusal A, Dogan E, Shahriyari F, Tamburaci S, Buyukoz M, Kozaci LD, Miri AK. Multi-Organs-on-Chips for Testing Small-Molecule Drugs: Challenges and Perspectives. Pharmaceutics 2021; 13:1657. [PMID: 34683950 PMCID: PMC8540732 DOI: 10.3390/pharmaceutics13101657] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/30/2021] [Accepted: 10/03/2021] [Indexed: 12/13/2022] Open
Abstract
Organ-on-a-chip technology has been used in testing small-molecule drugs for screening potential therapeutics and regulatory protocols. The technology is expected to boost the development of novel therapies and accelerate the discovery of drug combinations in the coming years. This has led to the development of multi-organ-on-a-chip (MOC) for recapitulating various organs involved in the drug-body interactions. In this review, we discuss the current MOCs used in screening small-molecule drugs and then focus on the dynamic process of drug absorption, distribution, metabolism, and excretion. We also address appropriate materials used for MOCs at low cost and scale-up capacity suitable for high-performance analysis of drugs and commercial high-throughput screening platforms.
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Affiliation(s)
- Berivan Cecen
- Department of Mechanical Engineering, Rowan University, Glassboro, NJ 08028, USA; (A.B.); (E.D.); (A.K.M.)
- Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34010, Turkey
| | - Christina Karavasili
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece;
| | - Mubashir Nazir
- Department of Microbiology, Sher-i-Kashmir Institute of Medical Sciences, Srinagar 190011, India;
| | - Anant Bhusal
- Department of Mechanical Engineering, Rowan University, Glassboro, NJ 08028, USA; (A.B.); (E.D.); (A.K.M.)
| | - Elvan Dogan
- Department of Mechanical Engineering, Rowan University, Glassboro, NJ 08028, USA; (A.B.); (E.D.); (A.K.M.)
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Fatemeh Shahriyari
- Institute of Health Science, Department of Translational Medicine, Ankara Yildirim Beyazit University, Ankara 06800, Turkey;
| | - Sedef Tamburaci
- Izmir Institute of Technology, Graduate Program of Biotechnology and Bioengineering, Gulbahce Campus, Izmir 35430, Turkey;
- Izmir Institute of Technology, Department of Chemical Engineering, Gulbahce Campus, Izmir 35430, Turkey
| | - Melda Buyukoz
- Care of Elderly Program, Vocational School of Health Services, Izmir Democracy University, Izmir 35140, Turkey;
| | - Leyla Didem Kozaci
- Department of Medical Biochemistry, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara 06800, Turkey;
| | - Amir K. Miri
- Department of Mechanical Engineering, Rowan University, Glassboro, NJ 08028, USA; (A.B.); (E.D.); (A.K.M.)
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
- Department of Mechanical and Industrial Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
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13
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Zheng F, Xiao Y, Liu H, Fan Y, Dao M. Patient-Specific Organoid and Organ-on-a-Chip: 3D Cell-Culture Meets 3D Printing and Numerical Simulation. Adv Biol (Weinh) 2021; 5:e2000024. [PMID: 33856745 PMCID: PMC8243895 DOI: 10.1002/adbi.202000024] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/13/2021] [Indexed: 12/11/2022]
Abstract
The last few decades have witnessed diversified in vitro models to recapitulate the architecture and function of living organs or tissues and contribute immensely to advances in life science. Two novel 3D cell culture models: 1) Organoid, promoted mainly by the developments of stem cell biology and 2) Organ-on-a-chip, enhanced primarily due to microfluidic technology, have emerged as two promising approaches to advance the understanding of basic biological principles and clinical treatments. This review describes the comparable distinct differences between these two models and provides more insights into their complementarity and integration to recognize their merits and limitations for applicable fields. The convergence of the two approaches to produce multi-organoid-on-a-chip or human organoid-on-a-chip is emerging as a new approach for building 3D models with higher physiological relevance. Furthermore, rapid advancements in 3D printing and numerical simulations, which facilitate the design, manufacture, and results-translation of 3D cell culture models, can also serve as novel tools to promote the development and propagation of organoid and organ-on-a-chip systems. Current technological challenges and limitations, as well as expert recommendations and future solutions to address the promising combinations by incorporating organoids, organ-on-a-chip, 3D printing, and numerical simulation, are also summarized.
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Affiliation(s)
- Fuyin Zheng
- Key Laboratory for Biomechanics and Mechanobiology, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Biological Sciences, Nanyang Technological University, Singapore, 639798, Singapore
| | - Yuminghao Xiao
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Hui Liu
- Key Laboratory for Biomechanics and Mechanobiology, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Ming Dao
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- School of Biological Sciences, Nanyang Technological University, Singapore, 639798, Singapore
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14
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de Dios-Figueroa GT, Aguilera-Marquez JDR, Camacho-Villegas TA, Lugo-Fabres PH. 3D Cell Culture Models in COVID-19 Times: A Review of 3D Technologies to Understand and Accelerate Therapeutic Drug Discovery. Biomedicines 2021; 9:602. [PMID: 34073231 PMCID: PMC8226796 DOI: 10.3390/biomedicines9060602] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/15/2021] [Accepted: 05/18/2021] [Indexed: 12/12/2022] Open
Abstract
In the last decades, emerging viruses have become a worldwide concern. The fast and extensive spread of the disease caused by SARS-CoV-2 (COVID-19) has impacted the economy and human activity worldwide, highlighting the human vulnerability to infectious diseases and the need to develop and optimize technologies to tackle them. The three-dimensional (3D) cell culture models emulate major tissue characteristics such as the in vivo virus-host interactions. These systems may help to generate a quick response to confront new viruses, establish a reliable evaluation of the pathophysiology, and contribute to therapeutic drug evaluation in pandemic situations such as the one that humanity is living through today. This review describes different types of 3D cell culture models, such as spheroids, scaffolds, organoids, and organs-on-a-chip, that are used in virus research, including those used to understand the new severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2).
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Affiliation(s)
- Guadalupe Tonantzin de Dios-Figueroa
- Department of Medical and Pharmaceutical Biotechnology, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ), Av. Normalistas 800, Colinas de las Normal, Guadalajara, Jalisco 44270, Mexico; (G.T.d.D.-F.); (J.d.R.A.-M.)
| | - Janette del Rocío Aguilera-Marquez
- Department of Medical and Pharmaceutical Biotechnology, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ), Av. Normalistas 800, Colinas de las Normal, Guadalajara, Jalisco 44270, Mexico; (G.T.d.D.-F.); (J.d.R.A.-M.)
| | - Tanya A. Camacho-Villegas
- CONACYT-Department of Medical and Pharmaceutical Biotechnology, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ), Av. Normalistas 800, Colinas de las Normal, Guadalajara, Jalisco 44270, Mexico;
| | - Pavel H. Lugo-Fabres
- CONACYT-Department of Medical and Pharmaceutical Biotechnology, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ), Av. Normalistas 800, Colinas de las Normal, Guadalajara, Jalisco 44270, Mexico;
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15
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Digital Twins for Tissue Culture Techniques—Concepts, Expectations, and State of the Art. Processes (Basel) 2021. [DOI: 10.3390/pr9030447] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Techniques to provide in vitro tissue culture have undergone significant changes during the last decades, and current applications involve interactions of cells and organoids, three-dimensional cell co-cultures, and organ/body-on-chip tools. Efficient computer-aided and mathematical model-based methods are required for efficient and knowledge-driven characterization, optimization, and routine manufacturing of tissue culture systems. As an alternative to purely experimental-driven research, the usage of comprehensive mathematical models as a virtual in silico representation of the tissue culture, namely a digital twin, can be advantageous. Digital twins include the mechanistic of the biological system in the form of diverse mathematical models, which describe the interaction between tissue culture techniques and cell growth, metabolism, and the quality of the tissue. In this review, current concepts, expectations, and the state of the art of digital twins for tissue culture concepts will be highlighted. In general, DT’s can be applied along the full process chain and along the product life cycle. Due to the complexity, the focus of this review will be especially on the design, characterization, and operation of the tissue culture techniques.
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16
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Building three-dimensional lung models for studying pharmacokinetics of inhaled drugs. Adv Drug Deliv Rev 2021; 170:386-395. [PMID: 32971227 DOI: 10.1016/j.addr.2020.09.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 08/15/2020] [Accepted: 09/17/2020] [Indexed: 12/17/2022]
Abstract
Drug development is a critical step in the development pipeline of pharmaceutical industry, commonly performed in traditional cell culture and animal models. Though, those models hold critical gapsin the prediction and the translation of human pharmacokinetic (PK) and pharmacodynamics (PD) parameters. The advances in tissue engineering have allowed the combination of cell biology with microengineering techniques, offering alternatives to conventional preclinical models. Organ-on-a-chips and three-dimensional (3D) bioprinting models present the potentialityof simulating the physiological and pathological microenvironment of living organs and tissues, constituting this way,more realistic models for the assessment of absorption, distribution, metabolism and excretion (ADME) of drugs. Therefore, this review will focus on lung-on-a-chip and 3D bioprinting techniques for developing lung models that can be usedfor predicting PK/PD parameters.
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17
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Mansoorifar A, Gordon R, Bergan R, Bertassoni LE. Bone-on-a-chip: microfluidic technologies and microphysiologic models of bone tissue. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2006796. [PMID: 35422682 PMCID: PMC9007546 DOI: 10.1002/adfm.202006796] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Indexed: 05/07/2023]
Abstract
Bone is an active organ that continuously undergoes an orchestrated process of remodeling throughout life. Bone tissue is uniquely capable of adapting to loading, hormonal, and other changes happening in the body, as well as repairing bone that becomes damaged to maintain tissue integrity. On the other hand, diseases such as osteoporosis and metastatic cancers disrupt normal bone homeostasis leading to compromised function. Historically, our ability to investigate processes related to either physiologic or diseased bone tissue has been limited by traditional models that fail to emulate the complexity of native bone. Organ-on-a-chip models are based on technological advances in tissue engineering and microfluidics, enabling the reproduction of key features specific to tissue microenvironments within a microfabricated device. Compared to conventional in-vitro and in-vivo bone models, microfluidic models, and especially organs-on-a-chip platforms, provide more biomimetic tissue culture conditions, with increased predictive power for clinical assays. In this review, we will report microfluidic and organ-on-a-chip technologies designed for understanding the biology of bone as well as bone-related diseases and treatments. Finally, we discuss the limitations of the current models and point toward future directions for microfluidics and organ-on-a-chip technologies in bone research.
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Affiliation(s)
- Amin Mansoorifar
- Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, USA
| | - Ryan Gordon
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Raymond Bergan
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Luiz E. Bertassoni
- Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, OR, USA
- Center for Regenerative Medicine, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- Department of Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, OR, USA
- Cancer Early Detection Advanced Research Center (CEDAR), Knight Cancer Institute, Portland, OR, USA
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18
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Wang J, Zhang N, Chen J, Su G, Yao H, Ho TY, Sun L. Predicting the fluid behavior of random microfluidic mixers using convolutional neural networks. LAB ON A CHIP 2021; 21:296-309. [PMID: 33325947 DOI: 10.1039/d0lc01158d] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
With the various applications of microfluidics, numerical simulation is highly recommended to verify its performance and reveal potential defects before fabrication. Among all the simulation parameters and simulation tools, the velocity field and concentration profile are the key parts and are generally simulated using finite element analysis (FEA). In our previous work [Wang et al., Lab Chip, 2016, 21, 4212-4219], automated design of microfluidic mixers by pre-generating a random library with the FEA was proposed. However, the duration of the simulation process is time-consuming, while the matching consistency between limited pre-generated designs and user desire is not stable. To address these issues, we inventively transformed the fluid mechanics problem into an image recognition problem and presented a convolutional neural network (CNN)-based technique to predict the fluid behavior of random microfluidic mixers. The pre-generated 10 513 candidate designs in the random library were used in the training process of the CNN, and then 30 757 brand new microfluidic mixer designs were randomly generated, whose performance was predicted by the CNN. Experimental results showed that the CNN method could complete all the predictions in just 10 seconds, which was around 51 600× faster than the previous FEA method. The CNN library was extended to contain 41 270 candidate designs, which has filled up those empty spaces in the fluid velocity versus solute concentration map of the random library, and able to provide more choices and possibilities for user desire. Besides, the quantitative analysis has confirmed the increased compatibility of the CNN library with user desire. In summary, our CNN method not only presents a much faster way of generating a more complete library with candidate mixer designs but also provides a solution for predicting fluid behavior using a machine learning technique.
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Affiliation(s)
- Junchao Wang
- Key Laboratory of RF Circuits and Systems, Ministry of Education, and, Zhejiang Provincial Laboratory of Integrated Circuit Design, Hangzhou Dianzi University, China.
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19
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Jeon JW, Choi N, Lee SH, Sung JH. Three-tissue microphysiological system for studying inflammatory responses in gut-liver Axis. Biomed Microdevices 2020; 22:65. [PMID: 32915326 DOI: 10.1007/s10544-020-00519-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The interaction between the gut and the liver, often known as the gut-liver axis, play crucial roles in modulating the body's responses to the xenobiotics as well as progression of diseases. Dysfunction of the axis can cause metabolic disorders as well as obesity, diabetes, and fatty liver disease. During the progression of such diseases, inflammatory responses involving the immune system also play an important part. In this study, we developed a three-tissue microphysiological system (MPS) that can accommodate three different cell types in separated compartments connected via fluidic channels in a microfluidic device. Using computational fluid dynamics, geometry of fluidic channels and flow conditions were optimized for seeding and culturing different cell types in the three-tissue MPS. Caco-2 (gut), RAW264.7 (immune), and HepG2 (liver) cells were seeded and cultured in the chip. Stimulation of the gut cells in the MPS with lipopolysaccharide (LPS) resulted in induction of inflammatory response and production of nitric oxide (NO) in all connected chambers. The anti-inflammatory effect of luteolin was demonstrated. Our study demonstrates that the three-tissue MPS can recapitulate the inflammatory responses involving the gut, liver and immune cells.
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Affiliation(s)
- Joong-Won Jeon
- Department of Chemical Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Nakwon Choi
- Center for BioMicrosystems, Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Seung Hwan Lee
- Department of Bionano Engineering, Hanyang University, Ansan, 15588, Republic of Korea.
| | - Jong Hwan Sung
- Department of Chemical Engineering, Hongik University, Seoul, 04066, Republic of Korea.
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20
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García Alonso D, Yu M, Qu H, Ma L, Shen F. Advances in Microfluidics-Based Technologies for Single Cell Culture. ACTA ACUST UNITED AC 2020; 3:e1900003. [PMID: 32648694 DOI: 10.1002/adbi.201900003] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 03/20/2019] [Indexed: 12/29/2022]
Abstract
Single cell culture has been considered one of the fundamental tools for single cell studies. Complex biological systems evolve from single cells, and the cells within biological systems are intrinsically heterogeneous. Therefore, culturing and understanding the behaviors of single cells are of great interest for both biological research and clinical studies. In recent years, advances in microfluidics-based technologies have demonstrated unprecedented capabilities for single cell studies, and they have made high-throughput single cell cultures possible. Microfluidic systems enable precise control of the microenvironment for single cell culture and monitoring of the behavior of single cells in real time. In addition, microfluidic devices can consist of upstream cell sorting and cell isolation, and they can also be seamlessly integrated with various downstream analysis methods. Therefore, microfluidic technologies can obtain data about the performance at the single-cell level, providing information that cannot be achieved by studying the ensemble behavior of cell colonies. In this review, the recent developments in droplet-based microfluidics, microwell-based microfluidics, trap-based microfluidics and SlipChip-based microfluidics for the study of single cell culture is focused on. Perspectives on future improvement regarding single cell culture and its related research opportunities are also provided.
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Affiliation(s)
- Daniel García Alonso
- School of Biomedical Engineering, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai, 200030, China
| | - Mengchao Yu
- School of Biomedical Engineering, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai, 200030, China
| | - Haijun Qu
- School of Biomedical Engineering, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai, 200030, China
| | - Liang Ma
- Thermo Fisher Scientific, 5781 Van Allen way, Carlsbad, CA, 92008, USA
| | - Feng Shen
- School of Biomedical Engineering, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai, 200030, China
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21
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Lee SH, Choi N, Sung JH. Pharmacokinetic and pharmacodynamic insights from microfluidic intestine-on-a-chip models. Expert Opin Drug Metab Toxicol 2019; 15:1005-1019. [PMID: 31794278 DOI: 10.1080/17425255.2019.1700950] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Introduction: After administration, a drug undergoes absorption, distribution, metabolism, and elimination (ADME) before exerting its effect on the body. The combination of these process yields the pharmacokinetic (PK) and pharmacodynamic (PD) profiles of a drug. Although accurate prediction of PK and PD profiles is essential for drug development, conventional in vitro models are limited by their lack of physiological relevance. Recently, microtechnology-based in vitro model systems, termed 'organ-on-a-chip,' have emerged as a potential solution.Areas covered: Orally administered drugs are absorbed through the intestinal wall and transported to the liver before entering systemic circulation, which plays an important role in the PK and PD profiles. Recently developed, chip-based in vitro models can be useful models for simulating such processes and will be covered in this paper.Expert opinion: The potential of intestine-on-a-chip models combined with conventional PK-PD modeling has been demonstrated with promising preliminary results. However, there are several challenges to overcome. Development of the intestinal wall, integration of the gut microbiome, and the provision of an intestine-specific environment must be achieved to realize in vivo-like intestinal model and enhance the efficiency of drug development.
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Affiliation(s)
- Seung Hwan Lee
- Department of Bionano Engineering and Bionanotechnology, Hanyang University, Ansan, Republic of Korea
| | - Nakwon Choi
- Center for BioMicrosystems, Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Jong Hwan Sung
- Department of Chemical Engineering, Hongik University, Seoul, Republic of Korea
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22
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Abstract
Engineering approaches were adopted for liver microsystems to recapitulate cell arrangements and culture microenvironments in vivo for sensitive, high-throughput and biomimetic drug screening. This review introduces liver microsystems in vitro for drug hepatotoxicity, drug-drug interactions, metabolic function and enzyme induction, based on cell micropatterning, hydrogel biofabrication and microfluidic perfusion. The engineered microsystems provide varied microenvironments for cell culture that feature cell coculture with non-parenchymal cells, in a heterogeneous extracellular matrix and under controllable perfusion. The engineering methods described include cell micropatterning with soft lithography and dielectrophoresis, hydrogel biofabrication with photolithography, micromolding and 3D bioprinting, and microfluidic perfusion with endothelial-like structures and gradient generators. We discuss the major challenges and trends of liver microsystems to study drug response in vitro.
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Affiliation(s)
- Jyong-Huei Lee
- Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan
| | - Kuan-Lun Ho
- Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan
| | - Shih-Kang Fan
- Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS, 66506, USA.
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23
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Pfannkuche JJ, Guo W, Cui S, Ma J, Lang G, Peroglio M, Richards RG, Alini M, Grad S, Li Z. Intervertebral disc organ culture for the investigation of disc pathology and regeneration - benefits, limitations, and future directions of bioreactors. Connect Tissue Res 2019; 61:304-321. [PMID: 31556329 DOI: 10.1080/03008207.2019.1665652] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Low back pain is the leading cause of disability worldwide and in many patients the source of pain can be attributed to pathological changes within the intervertebral disc (IVD). As present treatment options fail to address the underlying biological problem, novel therapies are currently subject to intense research. The physiologic IVD microenvironment features a highly complex interaction of biochemical and mechanical factors influencing cell metabolism and extracellular matrix turnover and is therefore difficult to simulate for research purposes on IVD pathology. The first whole organ culture models were not able to sufficiently replicate human in vivo conditions as mechanical loading, the predominant way of IVD nutrient supply and waste exchange, remained disregarded. To mimic the unique IVD niche more realistically, whole organ culture bioreactors have been developed, allowing for dynamic loading of IVDs and nutrient exchange. Recent advancements on bioreactor systems have facilitated whole organ culture of various IVDs for extended periods. IVD organ culture bioreactors have the potential to bridge the gap between in vitro and in vivo systems and thus may give valuable insights on IVD pathology and/or potential novel treatment approaches if the respective model is adjusted according to a well-defined research question. In this review, we outline the potential of currently utilized IVD bioreactor systems and present suggestions for further developments to more reliably investigate IVD biology and novel treatment approaches.
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Affiliation(s)
- Judith-Johanna Pfannkuche
- AO Research Institute Davos, Davos, Switzerland.,Department of Orthopedic and Trauma Surgery, University Medical Center Freiburg, Albert-Ludwigs University of Freiburg, Freiburg, Germany
| | - Wei Guo
- AO Research Institute Davos, Davos, Switzerland.,The first affiliated hospital of Sun Yat-sen University, Guangzhou, China
| | - Shangbin Cui
- AO Research Institute Davos, Davos, Switzerland.,The first affiliated hospital of Sun Yat-sen University, Guangzhou, China
| | - Junxuan Ma
- AO Research Institute Davos, Davos, Switzerland
| | - Gernot Lang
- Department of Orthopedic and Trauma Surgery, University Medical Center Freiburg, Albert-Ludwigs University of Freiburg, Freiburg, Germany
| | | | - R Geoff Richards
- AO Research Institute Davos, Davos, Switzerland.,Department of Orthopedic and Trauma Surgery, University Medical Center Freiburg, Albert-Ludwigs University of Freiburg, Freiburg, Germany
| | - Mauro Alini
- AO Research Institute Davos, Davos, Switzerland
| | | | - Zhen Li
- AO Research Institute Davos, Davos, Switzerland
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24
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Abstract
Recent advances in bioprinting technologies have enabled rapid manufacturing of organ-on-chip models along with biomimetic tissue microarchitectures. Bioprinting techniques can be used to integrate microfluidic channels and flow connections in organ-on-chip models. We review bioprinters in two categories of nozzle-based and optical-based methods, and then discuss their fabrication parameters such as resolution, replication fidelity, fabrication time, and cost for micro-tissue models and microfluidic applications. The use of bioprinters has shown successful replicates of functional engineered tissue models integrated within a desired microfluidic system, which facilitates the observation of metabolism or secretion of models and sophisticated control of a dynamic environment. This may provide a wider order of tissue engineering fabrication in mimicking physiological conditions for enhancing further applications such as drug development and pathological studies.
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Affiliation(s)
- Amir K. Miri
- Department of Mechanical Engineering Rowan University, 401 North Campus Drive, Glassboro, NJ 08028, USA
| | - Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115
| | - Danial Khorsandi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, CA 90095, USA
- Department of Biotechnology-Biomedicine, University of Barcelona, Barcelona 08028, Spain
| | - Shu-Kai Hu
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Matthew Malpica
- Department of Mechanical Engineering Rowan University, 401 North Campus Drive, Glassboro, NJ 08028, USA
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, CA 90095, USA
- Department of Biotechnology-Biomedicine, University of Barcelona, Barcelona 08028, Spain
- Department of Radiology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA 90095, USA
- Department of Bioengineering, Department of Chemical and Biomolecular Engineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, USA
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25
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Ai Y, Zhang F, Wang C, Xie R, Liang Q. Recent progress in lab-on-a-chip for pharmaceutical analysis and pharmacological/toxicological test. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.06.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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26
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Yang H, Wei L, Liu C, Zhong W, Li B, Chen Y, Han R, Zhuang J, Qu J, Tao H, Chen H, Xu C, Liang Q, Lu C, Qian R, Chen S, Wang W, Sun N. Engineering human ventricular heart tissue based on macroporous iron oxide scaffolds. Acta Biomater 2019; 88:540-553. [PMID: 30779999 DOI: 10.1016/j.actbio.2019.02.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 02/07/2019] [Accepted: 02/15/2019] [Indexed: 12/12/2022]
Abstract
Myocardial infarction (MI) is a primary cardiovascular disease threatening human health and quality of life worldwide. The development of engineered heart tissues (EHTs) as a transplantable artificial myocardium provides a promising therapy for MI. Since most MIs occur at the ventricle, engineering ventricular-specific myocardium is therefore more desirable for future applications. Here, by combining a new macroporous 3D iron oxide scaffold (IOS) with a fixed ratio of human pluripotent stem cell (hPSC)-derived ventricular-specific cardiomyocytes and human umbilical cord-derived mesenchymal stem cells, we constructed a new type of engineered human ventricular-specific heart tissue (EhVHT). The EhVHT promoted expression of cardiac-specific genes, ion exchange, and exhibited a better Ca2+ handling behaviors and normal electrophysiological activity in vitro. Furthermore, when patched on the infarcted area, the EhVHT effectively promoted repair of heart tissues in vivo and facilitated the restoration of damaged heart function of rats with acute MI. Our results show that it is feasible to generate functional human ventricular heart tissue based on hPSC-derived ventricular myocytes for the treatment of ventricular-specific myocardium damage. STATEMENT OF SIGNIFICANCE: We successfully generated highly purified homogenous human ventricular myocytes and developed a method to generate human ventricular-specific heart tissue (EhVHT) based on three-dimensional iron oxide scaffolds. The EhVHT promoted expression of cardiac-specific genes, ion exchange, and exhibited a better Ca2+ handling behaviors and normal electrophysiological activity in vitro. Patching the EhVHT on the infarct area significantly improved cardiac function in rat acute MI models. This EhVHT has a great potential to meet the specific requirements for ventricular damages in most MI cases and for screening drugs specifically targeting ventricular myocardium.
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Affiliation(s)
- Hui Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China; Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Lai Wei
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Chen Liu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Weiyi Zhong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Bin Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Yuncan Chen
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Rui Han
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Jiexian Zhuang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Jianxun Qu
- GE Healthcare Applied Science Lab, United States
| | - Hongyue Tao
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Haiyan Chen
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Chen Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Qianqian Liang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Chao Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Ruizhe Qian
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Sifeng Chen
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China
| | - Wenshuo Wang
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| | - Ning Sun
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, Shanghai 200032, China; Shanghai Key Laboratory of Birth Defect, Children's Hospital of Fudan University, Shanghai 201102, China.
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Lee SH, Jun BH. Advances in dynamic microphysiological organ-on-a-chip: Design principle and its biomedical application. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.11.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhao Y, Kankala RK, Wang SB, Chen AZ. Multi-Organs-on-Chips: Towards Long-Term Biomedical Investigations. Molecules 2019; 24:E675. [PMID: 30769788 PMCID: PMC6412790 DOI: 10.3390/molecules24040675] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/06/2019] [Accepted: 02/11/2019] [Indexed: 12/12/2022] Open
Abstract
With advantageous features such as minimizing the cost, time, and sample size requirements, organ-on-a-chip (OOC) systems have garnered enormous interest from researchers for their ability for real-time monitoring of physical parameters by mimicking the in vivo microenvironment and the precise responses of xenobiotics, i.e., drug efficacy and toxicity over conventional two-dimensional (2D) and three-dimensional (3D) cell cultures, as well as animal models. Recent advancements of OOC systems have evidenced the fabrication of 'multi-organ-on-chip' (MOC) models, which connect separated organ chambers together to resemble an ideal pharmacokinetic and pharmacodynamic (PK-PD) model for monitoring the complex interactions between multiple organs and the resultant dynamic responses of multiple organs to pharmaceutical compounds. Numerous varieties of MOC systems have been proposed, mainly focusing on the construction of these multi-organ models, while there are only few studies on how to realize continual, automated, and stable testing, which still remains a significant challenge in the development process of MOCs. Herein, this review emphasizes the recent advancements in realizing long-term testing of MOCs to promote their capability for real-time monitoring of multi-organ interactions and chronic cellular reactions more accurately and steadily over the available chip models. Efforts in this field are still ongoing for better performance in the assessment of preclinical attributes for a new chemical entity. Further, we give a brief overview on the various biomedical applications of long-term testing in MOCs, including several proposed applications and their potential utilization in the future. Finally, we summarize with perspectives.
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Affiliation(s)
- Yi Zhao
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China.
- Fujian Provincial Key Laboratory of Biochemical Technology (Huaqiao University), Xiamen 361021, China.
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China.
- Fujian Provincial Key Laboratory of Biochemical Technology (Huaqiao University), Xiamen 361021, China.
| | - Shi-Bin Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China.
- Fujian Provincial Key Laboratory of Biochemical Technology (Huaqiao University), Xiamen 361021, China.
| | - Ai-Zheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen 361021, China.
- Fujian Provincial Key Laboratory of Biochemical Technology (Huaqiao University), Xiamen 361021, China.
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Abstract
The past decades have witnessed significant efforts toward the development of three-dimensional (3D) cell cultures as systems that better mimic in vivo physiology. Today, 3D cell cultures are emerging, not only as a new tool in early drug discovery but also as potential therapeutics to treat disease. In this review, we assess leading 3D cell culture technologies and their impact on drug discovery, including spheroids, organoids, scaffolds, hydrogels, organs-on-chips, and 3D bioprinting. We also discuss the implementation of these technologies in compound identification, screening, and development, ranging from disease modeling to assessment of efficacy and safety profiles.
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Affiliation(s)
- Ye Fang
- 1 Biochemical Technologies, Corning Research and Development Corporation, Corning Incorporated, Corning, NY, USA
| | - Richard M Eglen
- 2 Corning Life Sciences, Corning Incorporated, Tewksbury, MA, USA
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Ribas J, Pawlikowska J, Rouwkema J. Microphysiological systems: analysis of the current status, challenges and commercial future. ACTA ACUST UNITED AC 2018; 2. [PMID: 33898981 DOI: 10.21037/mps.2018.10.01] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The field of microphysiological systems (or organs-on-a-chip) experienced, in the past decade, a surge in publications and efforts towards commercialization. Such systems hold the promise to advance drug discovery, diagnostics, and many other areas. In this review we summarize and analyze the current status of the field, describe the commercial advances and discuss standing challenges and the commercial outlook of the field.
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Affiliation(s)
- João Ribas
- Doctoral Program in Experimental Biology and Biomedicine, Center for Neuroscience and Cell Biology, Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
| | | | - Jeroen Rouwkema
- Department of Biomechanical Engineering, Technical Medical Centre, University of Twente, Enschede, The Netherlands
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Lee DW, Choi N, Sung JH. A microfluidic chip with gravity-induced unidirectional flow for perfusion cell culture. Biotechnol Prog 2018; 35:e2701. [PMID: 30294886 DOI: 10.1002/btpr.2701] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 07/30/2018] [Indexed: 12/22/2022]
Abstract
Perfusion flow is one of the essential elements and advantages of organ-on-a-chip technology. For example, microfluidics have enabled implementation of perfusion flow and recapitulation of fluidic environment for vascular endothelial cells. The most prevalent method of implementing flow in a chip is to use a pump, which requires elaborate manipulation and complex connections, and accompanies a large amount of dead volume. Previously we devised a gravity-induced flow system which does not require tubing connections, but this method results in bidirectional flow to enable recirculation, which is somewhat different from physiological blood flow. Here, we have developed a novel microfluidic chip that enables gravity-induced, unidirectional flow by using a bypass channel with geometry different from the main channel. Human umbilical vein endothelial cells were cultured inside the chip and the effect of flow direction was examined. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 35: e2701, 2019.
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Affiliation(s)
- Dong Wook Lee
- Dept. of Chemical Engineering, Hongik University, Seoul 04066, Republic of Korea
| | - Nakwon Choi
- Center for BioMicrosystems, Brain Science Institute, Korea Institute of Science and Technology (KIST), Seoul, South Korea
| | - Jong Hwan Sung
- Dept. of Chemical Engineering, Hongik University, Seoul 04066, Republic of Korea
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Mi S, Du Z, Xu Y, Sun W. The crossing and integration between microfluidic technology and 3D printing for organ-on-chips. J Mater Chem B 2018; 6:6191-6206. [PMID: 32254609 DOI: 10.1039/c8tb01661e] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Organ-on-chips were designed to simulate the real tissue or organ microenvironment by precise control of the cells, the extracellular matrix and other micro-environmental factors to clarify physiological or pathological mechanisms. The organ chip is mainly based on the poly(dimethylsiloxane) (PDMS) microfluidic devices, whereas the conventional soft lithography requires a cumbersome manufacturing process, and the complex on-chip tissue or organ chip also depends on the complicated loading process of the cells and biomaterials. 3D printing can efficiently design and automatically print micrometre-scale devices, while bio-printing can also precisely manipulate cells and biomaterials to create complex organ or tissue structures. In recent years, the popularization of 3D printing has provided more possibilities for its application to 3D printed organ-on-chips. The combination of 3D printing and microfluidic technology in organ-on-chips provides a more efficient choice for building complex flow channels or chambers, as well as the ability to create biological structures with a 3D cell distribution, heterogeneity and tissue-specific function. The fabrication of complex, heterogeneous 3D printable biomaterials based on microfluidics also provides new assistance for building complex organ-on-chips. Here, we discuss the recent advances and potential applications of 3D printing in combination with microfluidics to organ-on-chips and provide outlooks on the integration of the two technologies in building efficient, automated, modularly integrated, and customizable organ-on-chips.
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Affiliation(s)
- Shengli Mi
- Biomanufacturing Engineering Laboratory, Advanced Manufacturing Division, Graduate School at Shenzhen, Tsinghua University, Shenzhen, P. R. China.
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Muro S. Alterations in Cellular Processes Involving Vesicular Trafficking and Implications in Drug Delivery. Biomimetics (Basel) 2018; 3:biomimetics3030019. [PMID: 31105241 PMCID: PMC6352689 DOI: 10.3390/biomimetics3030019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 12/31/2022] Open
Abstract
Endocytosis and vesicular trafficking are cellular processes that regulate numerous functions required to sustain life. From a translational perspective, they offer avenues to improve the access of therapeutic drugs across cellular barriers that separate body compartments and into diseased cells. However, the fact that many factors have the potential to alter these routes, impacting our ability to effectively exploit them, is often overlooked. Altered vesicular transport may arise from the molecular defects underlying the pathological syndrome which we aim to treat, the activity of the drugs being used, or side effects derived from the drug carriers employed. In addition, most cellular models currently available do not properly reflect key physiological parameters of the biological environment in the body, hindering translational progress. This article offers a critical overview of these topics, discussing current achievements, limitations and future perspectives on the use of vesicular transport for drug delivery applications.
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Affiliation(s)
- Silvia Muro
- Institute for Bioscience and Biotechnology Research and Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA.
- Catalan Institution for Research and Advanced Studies (ICREA), 08010 Barcelona, Spain.
- Institute for Bioengineering of Catalonia (IBEC) of the Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain.
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Ma J, Wang Y, Liu J. Bioprinting of 3D tissues/organs combined with microfluidics. RSC Adv 2018; 8:21712-21727. [PMID: 35541704 PMCID: PMC9081268 DOI: 10.1039/c8ra03022g] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 06/05/2018] [Indexed: 12/11/2022] Open
Abstract
Accompanied by the increasing demand for organ transplants and personalized medicine, recent years have witnessed great developments in the regeneration of tissues/organs, which has benefited from various manufacturing technologies, especially 3D bioprinting. In 3D bioprinting, according to the morphogenesis, cellular microenvironment, and biological functions of the native tissues/organs, cells and biomaterials are printed by layer-by-layer assembly to form 3D bio-functional units. However, there are still substantial differences between existing 3D printed constructs and actual tissues and organs, especially in microscale structures such as vascular networks. By manipulating controllable fluids carrying biomolecules, cells, organisms, or chemical agents, microfluidic techniques aim to integrate biological or chemical functional units into a chip. With its features of biocompatibility, flexible manipulation, and scale integration on the micro/nanoscale, microfluidics has been a tool that has enabled the generation of micro-tissues/organs with precise configurations. With the inspiration of these two technologies, there have been efforts to fabricate functional living tissues and artificial organs with complex structures via a combination of 3D bioprinting and microfluidics, which may lead to unexpected effects. In this review, we discuss advances in microfluidics-assisted bioprinting in the engineering of tissues/organs and provide future perspectives for this combination in the generation of highly biomimetic tissues and organs in vitro.
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Affiliation(s)
- Jingyun Ma
- Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China +86-411-83635963-2170
- Stem Cell Clinical Research Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China
| | - Yachen Wang
- Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China +86-411-83635963-2170
- Stem Cell Clinical Research Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China
| | - Jing Liu
- Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China +86-411-83635963-2170
- Stem Cell Clinical Research Center, The First Affiliated Hospital of Dalian Medical University Dalian 116011 China
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35
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Han S, Kim J, Li R, Ma A, Kwan V, Luong K, Sohn LL. Hydrophobic Patterning-Based 3D Microfluidic Cell Culture Assay. Adv Healthc Mater 2018; 7:e1800122. [PMID: 29700986 PMCID: PMC6342489 DOI: 10.1002/adhm.201800122] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/20/2018] [Indexed: 01/11/2023]
Abstract
Engineering physiologically relevant in vitro models of human organs remains a fundamental challenge. Despite significant strides made within the field, many promising organ-on-a-chip models fall short in recapitulating cellular interactions with neighboring cell types, surrounding extracellular matrix (ECM), and exposure to soluble cues due, in part, to the formation of artificial structures that obstruct >50% of the surface area of the ECM. Here, a 3D cell culture platform based upon hydrophobic patterning of hydrogels that is capable of precisely generating a 3D ECM within a microfluidic channel with an interaction area >95% is reported. In this study, for demonstrative purposes, type I collagen (COL1), Matrigel (MAT), COL1/MAT mixture, hyaluronic acid, and cell-laden MAT are formed in the device. Three potential applications are demonstrated, including creating a 3D endothelium model, studying the interstitial migration of cancer cells, and analyzing stem cell differentiation in a 3D environment. The hydrophobic patterned-based 3D cell culture device provides the ease-of-fabrication and flexibility necessary for broad potential applications in organ-on-a-chip platforms.
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Affiliation(s)
- Sewoon Han
- The California Institute for Quantitative Biosciences, Stanley Hall, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Junghyun Kim
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Rui Li
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Alice Ma
- Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Vincent Kwan
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Kevin Luong
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Lydia L. Sohn
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720, USA
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Balasubramanian V, Liu Z, Hirvonen J, Santos HA. Bridging the Knowledge of Different Worlds to Understand the Big Picture of Cancer Nanomedicines. Adv Healthc Mater 2018; 7. [PMID: 28570787 DOI: 10.1002/adhm.201700432] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 04/27/2017] [Indexed: 12/22/2022]
Abstract
Explosive growth of nanomedicines continues to significantly impact the therapeutic strategies for effective cancer treatment. Despite the significant progress in the development of advanced nanomedicines, successful clinical translation remains challenging. As cancer nanomedicine is a multidisciplinary field, the fundamental problem is that the knowledge gaps stem from different vantage points in the understanding of cancer nanomedicines. The complexities and heterogenecity of both nanomedicines and cancer are further demanding the integration of highly diverse expertise to develop clinically translatable cancer nanomedicines. This progress report aims to discuss the current understanding of cancer nanomedicines between different research areas in terms of nanoparticle engineering, formulation, tumor patho-physiology and clinical medicine, as well as to identify the knowledge gaps lying at the interface between the different fields of research in nanomedicine. Here we also highlight for the necessity to harmonize the multidisciplinary effort in the research of nanomedicines in order to bridge the knowledge and to advance the full understanding in cancer nanomedicines. A paradigm shift is needed in the strategic development of disease specific nanomedicines in order to foster the successful translation into clinic of future cancer nanomedicines.
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Affiliation(s)
- Vimalkumar Balasubramanian
- Division of Pharmaceutical Chemistry and Technology; Drug Research Program; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Zehua Liu
- Division of Pharmaceutical Chemistry and Technology; Drug Research Program; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Jouni Hirvonen
- Division of Pharmaceutical Chemistry and Technology; Drug Research Program; Faculty of Pharmacy; University of Helsinki; FI-00014 Helsinki Finland
| | - Hélder A. Santos
- Helsinki Institute of Life Science; HiLIFE; University of Helsinki; FI-00014 Helsinki Finland
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37
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Lee SH, Sung JH. Organ-on-a-Chip Technology for Reproducing Multiorgan Physiology. Adv Healthc Mater 2018; 7. [PMID: 28945001 DOI: 10.1002/adhm.201700419] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 06/04/2017] [Indexed: 12/14/2022]
Abstract
In the drug development process, the accurate prediction of drug efficacy and toxicity is important in order to reduce the cost, labor, and effort involved. For this purpose, conventional 2D cell culture models are used in the early phase of drug development. However, the differences between the in vitro and the in vivo systems have caused the failure of drugs in the later phase of the drug-development process. Therefore, there is a need for a novel in vitro model system that can provide accurate information for evaluating the drug efficacy and toxicity through a closer recapitulation of the in vivo system. Recently, the idea of using microtechnology for mimicking the microscale tissue environment has become widespread, leading to the development of "organ-on-a-chip." Furthermore, the system is further developed for realizing a multiorgan model for mimicking interactions between multiple organs. These advancements are still ongoing and are aimed at ultimately developing "body-on-a-chip" or "human-on-a-chip" devices for predicting the response of the whole body. This review summarizes recently developed organ-on-a-chip technologies, and their applications for reproducing multiorgan functions.
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Affiliation(s)
- Seung Hwan Lee
- School of Chemical and Biological Engineering; Seoul National University; Seoul 08826 Republic of Korea
| | - Jong Hwan Sung
- Department of Chemical Engineering; Hongik University; Seoul 04066 Republic of Korea
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38
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Jie M, Lin H, He Z, Liu H, Li H, Lin JM. An on-chip intestine-liver model for multiple drugs absorption and metabolism behavior simulation. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9167-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Cyr KJ, Avaldi OM, Wikswo JP. Circadian hormone control in a human-on-a-chip: In vitro biology's ignored component? Exp Biol Med (Maywood) 2017; 242:1714-1731. [PMID: 29065796 PMCID: PMC5832251 DOI: 10.1177/1535370217732766] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Organs-on-Chips (OoCs) are poised to reshape dramatically the study of biology by replicating in vivo the function of individual and coupled human organs. Such microphysiological systems (MPS) have already recreated complex physiological responses necessary to simulate human organ function not evident in two-dimensional in vitro biological experiments. OoC researchers hope to streamline pharmaceutical development, accelerate toxicology studies, limit animal testing, and provide new insights beyond the capability of current biological models. However, to develop a physiologically accurate Human-on-a-Chip, i.e., an MPS homunculus that functions as an interconnected, whole-body, model organ system, one must couple individual OoCs with proper fluidic and metabolic scaling. This will enable the study of the effects of organ-organ interactions on the metabolism of drugs and toxins. Critical to these efforts will be the recapitulation of the complex physiological signals that regulate the endocrine, metabolic, and digestive systems. To date, with the exception of research focused on reproductive organs on chips, most OoC research ignores homuncular endocrine regulation, in particular the circadian rhythms that modulate the function of all organ systems. We outline the importance of cyclic endocrine regulation and the role that it may play in the development of MPS homunculi for the pharmacology, toxicology, and systems biology communities. Moreover, we discuss the critical end-organ hormone interactions that are most relevant for a typical coupled-OoC system, and the possible research applications of a missing endocrine system MicroFormulator (MES-µF) that could impose biological rhythms on in vitro models. By linking OoCs together through chemical messenger systems, advanced physiological phenomena relevant to pharmacokinetics and pharmacodynamics studies can be replicated. The concept of a MES-µF could be applied to other standard cell-culture systems such as well plates, thereby extending the concept of circadian hormonal regulation to much of in vitro biology. Impact statement Historically, cyclic endocrine modulation has been largely ignored within in vitro cell culture, in part because cultured cells typically have their media changed every day or two, precluding hourly adjustment of hormone concentrations to simulate circadian rhythms. As the Organ-on-Chip (OoC) community strives for greater physiological realism, the contribution of hormonal oscillations toward regulation of organ systems has been examined only in the context of reproductive organs, and circadian variation of the breadth of other hormones on most organs remains unaddressed. We illustrate the importance of cyclic endocrine modulation and the role that it plays within individual organ systems. The study of cyclic endocrine modulation within OoC systems will help advance OoC research to the point where it can reliably replicate in vitro key regulatory components of human physiology. This will help translate OoC work into pharmaceutical applications and connect the OoC community with the greater pharmacology and physiology communities.
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Affiliation(s)
- Kevin J. Cyr
- Vanderbilt Institute for Integrative Biosystems Research and Education
- Systems Biology and Bioengineering Undergraduate Research Experience
| | - Omero M. Avaldi
- Vanderbilt Institute for Integrative Biosystems Research and Education
- Systems Biology and Bioengineering Undergraduate Research Experience
| | - John P. Wikswo
- Vanderbilt Institute for Integrative Biosystems Research and Education
- Department of Biomedical Engineering
- Department of Molecular Physiology and Biophysics
- Department of Physics and Astronomy, Vanderbilt University, Nashville TN, 37235, USA
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Ong LJY, Islam A, DasGupta R, Iyer NG, Leo HL, Toh YC. A 3D printed microfluidic perfusion device for multicellular spheroid cultures. Biofabrication 2017; 9:045005. [DOI: 10.1088/1758-5090/aa8858] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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41
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Advanced biomaterials and microengineering technologies to recapitulate the stepwise process of cancer metastasis. Biomaterials 2017; 133:176-207. [DOI: 10.1016/j.biomaterials.2017.04.017] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 04/04/2017] [Accepted: 04/12/2017] [Indexed: 02/08/2023]
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Cole KLH, Early JJ, Lyons DA. Drug discovery for remyelination and treatment of MS. Glia 2017; 65:1565-1589. [PMID: 28618073 DOI: 10.1002/glia.23166] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 12/19/2022]
Abstract
Glia constitute the majority of the cells in our nervous system, yet there are currently no drugs that target glia for the treatment of disease. Given ongoing discoveries of the many roles of glia in numerous diseases of the nervous system, this is likely to change in years to come. Here we focus on the possibility that targeting the oligodendrocyte lineage to promote regeneration of myelin (remyelination) represents a therapeutic strategy for the treatment of the demyelinating disease multiple sclerosis, MS. We discuss how hypothesis driven studies have identified multiple targets and pathways that can be manipulated to promote remyelination in vivo, and how this work has led to the first ever remyelination clinical trials. We also highlight how recent chemical discovery screens have identified a host of small molecule compounds that promote oligodendrocyte differentiation in vitro. Some of these compounds have also been shown to promote myelin regeneration in vivo, with one already being trialled in humans. Promoting oligodendrocyte differentiation and remyelination represents just one potential strategy for the treatment of MS. The pathology of MS is complex, and its complete amelioration may require targeting multiple biological processes in parallel. Therefore, we present an overview of new technologies and models for phenotypic analyses and screening that can be exploited to study complex cell-cell interactions in in vitro and in vivo systems. Such technological platforms will provide insight into fundamental mechanisms and increase capacities for drug-discovery of relevance to glia and currently intractable disorders of the CNS.
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Affiliation(s)
- Katy L H Cole
- Centre for Neuroregeneration, MS Society Centre for Translational Research, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, EH16 4SB, United Kingdom
| | - Jason J Early
- Centre for Neuroregeneration, MS Society Centre for Translational Research, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, EH16 4SB, United Kingdom
| | - David A Lyons
- Centre for Neuroregeneration, MS Society Centre for Translational Research, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, EH16 4SB, United Kingdom
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43
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Hong HJ, Koom WS, Koh WG. Cell Microarray Technologies for High-Throughput Cell-Based Biosensors. SENSORS (BASEL, SWITZERLAND) 2017; 17:E1293. [PMID: 28587242 PMCID: PMC5492771 DOI: 10.3390/s17061293] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 05/24/2017] [Accepted: 05/31/2017] [Indexed: 12/27/2022]
Abstract
Due to the recent demand for high-throughput cellular assays, a lot of efforts have been made on miniaturization of cell-based biosensors by preparing cell microarrays. Various microfabrication technologies have been used to generate cell microarrays, where cells of different phenotypes are immobilized either on a flat substrate (positional array) or on particles (solution or suspension array) to achieve multiplexed and high-throughput cell-based biosensing. After introducing the fabrication methods for preparation of the positional and suspension cell microarrays, this review discusses the applications of the cell microarray including toxicology, drug discovery and detection of toxic agents.
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Affiliation(s)
- Hye Jin Hong
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea.
| | - Woong Sub Koom
- Department of Radiation Oncology, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea.
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea.
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Lee SH, Sung JH. Microtechnology-Based Multi-Organ Models. Bioengineering (Basel) 2017; 4:bioengineering4020046. [PMID: 28952525 PMCID: PMC5590483 DOI: 10.3390/bioengineering4020046] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 05/17/2017] [Accepted: 05/18/2017] [Indexed: 01/09/2023] Open
Abstract
Drugs affect the human body through absorption, distribution, metabolism, and elimination (ADME) processes. Due to their importance, the ADME processes need to be studied to determine the efficacy and side effects of drugs. Various in vitro model systems have been developed and used to realize the ADME processes. However, conventional model systems have failed to simulate the ADME processes because they are different from in vivo, which has resulted in a high attrition rate of drugs and a decrease in the productivity of new drug development. Recently, a microtechnology-based in vitro system called "organ-on-a-chip" has been gaining attention, with more realistic cell behavior and physiological reactions, capable of better simulating the in vivo environment. Furthermore, multi-organ-on-a-chip models that can provide information on the interaction between the organs have been developed. The ultimate goal is the development of a "body-on-a-chip", which can act as a whole body model. In this review, we introduce and summarize the current progress in the development of multi-organ models as a foundation for the development of body-on-a-chip.
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Affiliation(s)
- Seung Hwan Lee
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-742, Korea.
| | - Jong Hwan Sung
- Department of Chemical Engineering, Hongik University, Seoul 121-791, Korea.
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Yu F, Zhuo S, Qu Y, Choudhury D, Wang Z, Iliescu C, Yu H. On chip two-photon metabolic imaging for drug toxicity testing. BIOMICROFLUIDICS 2017; 11:034108. [PMID: 28529673 PMCID: PMC5426952 DOI: 10.1063/1.4983615] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 05/03/2017] [Indexed: 05/03/2023]
Abstract
We have developed a microfluidic system suitable to be incorporated with a metabolic imaging method to monitor the drug response of cells cultured on a chip. The cells were perfusion-cultured to mimic the blood flow in vivo. Label-free optical measurements and imaging of nicotinamide adenine dinucleotide and flavin adenine dinucleotide fluorescence intensity and morphological changes were evaluated non-invasively. Drug responses calculated using redox ratio imaging were compared with the drug toxicity testing results obtained with a traditional well-plate system. We found that our method can accurately monitor the cell viability and drug response and that the IC50 value obtained from imaging analysis was sensitive and comparable with a commonly used cell viability assay: MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfo-phenyl)-2H-tetrazolium) assay. Our method could serve as a fast, non-invasive, and reliable way for drug screening and toxicity testing as well as enabling real-time monitoring of in vitro cultured cells.
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Affiliation(s)
| | | | | | - Deepak Choudhury
- Singapore Institute of Manufacturing Technology, ASTAR, 71 Nanyang Dr, Singapore, Singapore, 638075
| | - Zhiping Wang
- Singapore Institute of Manufacturing Technology, ASTAR, 71 Nanyang Dr, Singapore, Singapore, 638075
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Lee SH, Shim KY, Kim B, Sung JH. Hydrogel-based three-dimensional cell culture for organ-on-a-chip applications. Biotechnol Prog 2017; 33:580-589. [PMID: 28247962 DOI: 10.1002/btpr.2457] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/23/2016] [Indexed: 12/29/2022]
Abstract
Recent studies have reported that three-dimensionally cultured cells have more physiologically relevant functions than two-dimensionally cultured cells. Cells are three-dimensionally surrounded by the extracellular matrix (ECM) in complex in vivo microenvironments and interact with the ECM and neighboring cells. Therefore, replicating the ECM environment is key to the successful cell culture models. Various natural and synthetic hydrogels have been used to mimic ECM environments based on their physical, chemical, and biological characteristics, such as biocompatibility, biodegradability, and biochemical functional groups. Because of these characteristics, hydrogels have been combined with microtechnologies and used in organ-on-a-chip applications to more closely recapitulate the in vivo microenvironment. Therefore, appropriate hydrogels should be selected depending on the cell types and applications. The porosity of the selected hydrogel should be controlled to facilitate the movement of nutrients and oxygen. In this review, we describe various types of hydrogels, external stimulation-based gelation of hydrogels, and control of their porosity. Then, we introduce applications of hydrogels for organ-on-a-chip. Last, we also discuss the challenges of hydrogel-based three-dimensional cell culture techniques and propose future directions. © 2017 American Institute of Chemical Engineers Biotechnol. Prog., 33:580-589, 2017.
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Affiliation(s)
- Seung Hwan Lee
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Kyu Young Shim
- Chemical Engineering, Hongik University, Seoul, 121-791, Republic of Korea
| | - Bumsang Kim
- Chemical Engineering, Hongik University, Seoul, 121-791, Republic of Korea
| | - Jong Hwan Sung
- Chemical Engineering, Hongik University, Seoul, 121-791, Republic of Korea
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Fang Y, Eglen RM. Three-Dimensional Cell Cultures in Drug Discovery and Development. SLAS DISCOVERY 2017. [DOI: 10.1177/2472555217696795] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ye Fang
- Biochemical Technologies, Corning Research and Development Corporation, Corning Incorporated, Corning, NY, USA
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Jungbauer A, Lee SY. Editorial: Biotechnology Journal brings more than biotechnology. Biotechnol J 2016; 10:1663-5. [PMID: 26912076 DOI: 10.1002/biot.201500581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Biotechnology Journal always brings the state-of-the-art biotechnologies to our readers. Different from other topical issues, this issue of Biotechnology Journal is complied with a series of exiting reviews and research articles from spontaneous submissions, again, addressing society's actual problems and needs. The progress is a real testimony how biotechnology contributes to achievements in healthcare, better utilization of resources, and a bio-based economy.
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Lee H, Cho DW. One-step fabrication of an organ-on-a-chip with spatial heterogeneity using a 3D bioprinting technology. LAB ON A CHIP 2016; 16:2618-25. [PMID: 27302471 DOI: 10.1039/c6lc00450d] [Citation(s) in RCA: 210] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Although various types of organs-on-chips have been introduced recently as tools for drug discovery, the current studies are limited in terms of fabrication methods. The fabrication methods currently available not only need a secondary cell-seeding process and result in severe protein absorption due to the material used, but also have difficulties in providing various cell types and extracellular matrix (ECM) environments for spatial heterogeneity in the organs-on-chips. Therefore, in this research, we introduce a novel 3D bioprinting method for organ-on-a-chip applications. With our novel 3D bioprinting method, it was possible to prepare an organ-on-a-chip in a simple one-step fabrication process. Furthermore, protein absorption on the printed platform was very low, which will lead to accurate measurement of metabolism and drug sensitivity. Moreover, heterotypic cell types and biomaterials were successfully used and positioned at the desired position for various organ-on-a-chip applications, which will promote full mimicry of the natural conditions of the organs. The liver organ was selected for the evaluation of the developed method, and liver function was shown to be significantly enhanced on the liver-on-a-chip, which was prepared by 3D bioprinting. Consequently, the results demonstrate that the suggested 3D bioprinting method is easier and more versatile for production of organs-on-chips.
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Affiliation(s)
- Hyungseok Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), San 31, Hyoja-dong, Nam-gu, Pohang, Gyungbuk 790-784, South Korea.
| | - Dong-Woo Cho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), San 31, Hyoja-dong, Nam-gu, Pohang, Gyungbuk 790-784, South Korea.
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Jonczyk R, Kurth T, Lavrentieva A, Walter JG, Scheper T, Stahl F. Living Cell Microarrays: An Overview of Concepts. MICROARRAYS (BASEL, SWITZERLAND) 2016; 5:E11. [PMID: 27600077 PMCID: PMC5003487 DOI: 10.3390/microarrays5020011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/09/2016] [Accepted: 05/11/2016] [Indexed: 02/06/2023]
Abstract
Living cell microarrays are a highly efficient cellular screening system. Due to the low number of cells required per spot, cell microarrays enable the use of primary and stem cells and provide resolution close to the single-cell level. Apart from a variety of conventional static designs, microfluidic microarray systems have also been established. An alternative format is a microarray consisting of three-dimensional cell constructs ranging from cell spheroids to cells encapsulated in hydrogel. These systems provide an in vivo-like microenvironment and are preferably used for the investigation of cellular physiology, cytotoxicity, and drug screening. Thus, many different high-tech microarray platforms are currently available. Disadvantages of many systems include their high cost, the requirement of specialized equipment for their manufacture, and the poor comparability of results between different platforms. In this article, we provide an overview of static, microfluidic, and 3D cell microarrays. In addition, we describe a simple method for the printing of living cell microarrays on modified microscope glass slides using standard DNA microarray equipment available in most laboratories. Applications in research and diagnostics are discussed, e.g., the selective and sensitive detection of biomarkers. Finally, we highlight current limitations and the future prospects of living cell microarrays.
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Affiliation(s)
- Rebecca Jonczyk
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
| | - Tracy Kurth
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
| | - Antonina Lavrentieva
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
| | - Johanna-Gabriela Walter
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
| | - Thomas Scheper
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
| | - Frank Stahl
- Institute of Technical Chemistry, Leibniz University of Hannover, Callinstr. 5, Hannover 30167, Germany.
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