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Kumar D, Nadda R, Repaka R. Advances and challenges in organ-on-chip technology: toward mimicking human physiology and disease in vitro. Med Biol Eng Comput 2024; 62:1925-1957. [PMID: 38436835 DOI: 10.1007/s11517-024-03062-7] [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: 10/19/2023] [Accepted: 02/23/2024] [Indexed: 03/05/2024]
Abstract
Organs-on-chips have been tissues or three-dimensional (3D) mini-organs that comprise numerous cell types and have been produced on microfluidic chips to imitate the complicated structures and interactions of diverse cell types and organs under controlled circumstances. Several morphological and physiological distinctions exist between traditional 2D cultures, animal models, and the growing popular 3D cultures. On the other hand, animal models might not accurately simulate human toxicity because of physiological variations and interspecies metabolic capability. The on-chip technique allows for observing and understanding the process and alterations occurring in metastases. The present study aimed to briefly overview single and multi-organ-on-chip techniques. The current study addresses each platform's essential benefits and characteristics and highlights recent developments in developing and utilizing technologies for single and multi-organs-on-chips. The study also discusses the drawbacks and constraints associated with these models, which include the requirement for standardized procedures and the difficulties of adding immune cells and other intricate biological elements. Finally, a comprehensive review demonstrated that the organs-on-chips approach has a potential way of investigating organ function and disease. The advancements in single and multi-organ-on-chip structures can potentially increase drug discovery and minimize dependency on animal models, resulting in improved therapies for human diseases.
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Affiliation(s)
- Dhiraj Kumar
- Department of Mechanical Engineering, Indian Institute of Technology Ropar, Punjab, 140001, India
| | - Rahul Nadda
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Punjab, 140001, India.
| | - Ramjee Repaka
- Department of Mechanical Engineering, Indian Institute of Technology Ropar, Punjab, 140001, India
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Punjab, 140001, India
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2
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Farhang Doost N, Srivastava SK. A Comprehensive Review of Organ-on-a-Chip Technology and Its Applications. BIOSENSORS 2024; 14:225. [PMID: 38785699 PMCID: PMC11118005 DOI: 10.3390/bios14050225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/09/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
Organ-on-a-chip (OOC) is an emerging technology that simulates an artificial organ within a microfluidic cell culture chip. Current cell biology research focuses on in vitro cell cultures due to various limitations of in vivo testing. Unfortunately, in-vitro cell culturing fails to provide an accurate microenvironment, and in vivo cell culturing is expensive and has historically been a source of ethical controversy. OOC aims to overcome these shortcomings and provide the best of both in vivo and in vitro cell culture research. The critical component of the OOC design is utilizing microfluidics to ensure a stable concentration gradient, dynamic mechanical stress modeling, and accurate reconstruction of a cellular microenvironment. OOC also has the advantage of complete observation and control of the system, which is impossible to recreate in in-vivo research. Multiple throughputs, channels, membranes, and chambers are constructed in a polydimethylsiloxane (PDMS) array to simulate various organs on a chip. Various experiments can be performed utilizing OOC technology, including drug delivery research and toxicology. Current technological expansions involve multiple organ microenvironments on a single chip, allowing for studying inter-tissue interactions. Other developments in the OOC technology include finding a more suitable material as a replacement for PDMS and minimizing artefactual error and non-translatable differences.
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Affiliation(s)
| | - Soumya K. Srivastava
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV 26506, USA;
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3
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Hajam MI, Khan MM. Microfluidics: a concise review of the history, principles, design, applications, and future outlook. Biomater Sci 2024; 12:218-251. [PMID: 38108438 DOI: 10.1039/d3bm01463k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Microfluidic technologies have garnered significant attention due to their ability to rapidly process samples and precisely manipulate fluids in assays, making them an attractive alternative to conventional experimental methods. With the potential for revolutionary capabilities in the future, this concise review provides readers with insights into the fascinating world of microfluidics. It begins by introducing the subject's historical background, allowing readers to familiarize themselves with the basics. The review then delves into the fundamental principles, discussing the underlying phenomena at play. Additionally, it highlights the different aspects of microfluidic device design, classification, and fabrication. Furthermore, the paper explores various applications, the global market, recent advancements, and challenges in the field. Finally, the review presents a positive outlook on trends and draws lessons to support the future flourishing of microfluidic technologies.
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Affiliation(s)
- Mohammad Irfan Hajam
- Department of Mechanical Engineering, National Institute of Technology Srinagar, India.
| | - Mohammad Mohsin Khan
- Department of Mechanical Engineering, National Institute of Technology Srinagar, India.
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4
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Strohm EM, Callaghan NI, Ding Y, Latifi N, Rafatian N, Funakoshi S, Fernandes I, Reitz CJ, Di Paola M, Gramolini AO, Radisic M, Keller G, Kolios MC, Simmons CA. Noninvasive Quantification of Contractile Dynamics in Cardiac Cells, Spheroids, and Organs-on-a-Chip Using High-Frequency Ultrasound. ACS NANO 2024; 18:314-327. [PMID: 38147684 DOI: 10.1021/acsnano.3c06325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Cell-based models that mimic in vivo heart physiology are poised to make significant advances in cardiac disease modeling and drug discovery. In these systems, cardiomyocyte (CM) contractility is an important functional metric, but current measurement methods are inaccurate and low-throughput or require complex setups. To address this need, we developed a standalone noninvasive, label-free ultrasound technique operating at 40-200 MHz to measure the contractile kinetics of cardiac models, ranging from single adult CMs to 3D microtissue constructs in standard cell culture formats. The high temporal resolution of 1000 fps resolved the beat profile of single mouse CMs paced at up to 9 Hz, revealing limitations of lower speed optical based measurements to resolve beat kinetics or characterize aberrant beats. Coupling of ultrasound with traction force microscopy enabled the measurement of the CM longitudinal modulus and facile estimation of adult mouse CM contractile forces of 2.34 ± 1.40 μN, comparable to more complex measurement techniques. Similarly, the beat rate, rhythm, and drug responses of CM spheroid and microtissue models were measured, including in configurations without optical access. In conclusion, ultrasound can be used for the rapid characterization of CM contractile function in a wide range of commonly studied configurations ranging from single cells to 3D tissue constructs using standard well plates and custom microdevices, with applications in cardiac drug discovery and cardiotoxicity evaluation.
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Affiliation(s)
- Eric M Strohm
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
| | - Neal I Callaghan
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
| | - Yu Ding
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
| | - Neda Latifi
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
| | - Naimeh Rafatian
- Toronto General Hospital Research Institute, Toronto, M5G 2C4, Canada
| | - Shunsuke Funakoshi
- McEwen Stem Cell Institute, University Health Network, Toronto, M5G 1L7, Canada
| | - Ian Fernandes
- McEwen Stem Cell Institute, University Health Network, Toronto, M5G 1L7, Canada
| | - Cristine J Reitz
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Department of Physiology, University of Toronto, Toronto, M5S 1A8, Canada
| | - Michelle Di Paola
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Department of Physiology, University of Toronto, Toronto, M5S 1A8, Canada
| | - Anthony O Gramolini
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Department of Physiology, University of Toronto, Toronto, M5S 1A8, Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
- Toronto General Hospital Research Institute, Toronto, M5G 2C4, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, M5S 3E5, Canada
| | - Gordon Keller
- McEwen Stem Cell Institute, University Health Network, Toronto, M5G 1L7, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, Canada
| | - Michael C Kolios
- Department of Physics, Toronto Metropolitan University, Toronto, M5B 2K3, Canada
| | - Craig A Simmons
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, M5S 3G8, Canada
- Translational Biology and Engineering Program, Ted Rogers Center for Heart Research, Toronto, M5G 1M1, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, M5S 3G9, Canada
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5
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Deng S, Li C, Cao J, Cui Z, Du J, Fu Z, Yang H, Chen P. Organ-on-a-chip meets artificial intelligence in drug evaluation. Theranostics 2023; 13:4526-4558. [PMID: 37649608 PMCID: PMC10465229 DOI: 10.7150/thno.87266] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 08/02/2023] [Indexed: 09/01/2023] Open
Abstract
Drug evaluation has always been an important area of research in the pharmaceutical industry. However, animal welfare protection and other shortcomings of traditional drug development models pose obstacles and challenges to drug evaluation. Organ-on-a-chip (OoC) technology, which simulates human organs on a chip of the physiological environment and functionality, and with high fidelity reproduction organ-level of physiology or pathophysiology, exhibits great promise for innovating the drug development pipeline. Meanwhile, the advancement in artificial intelligence (AI) provides more improvements for the design and data processing of OoCs. Here, we review the current progress that has been made to generate OoC platforms, and how human single and multi-OoCs have been used in applications, including drug testing, disease modeling, and personalized medicine. Moreover, we discuss issues facing the field, such as large data processing and reproducibility, and point to the integration of OoCs and AI in data analysis and automation, which is of great benefit in future drug evaluation. Finally, we look forward to the opportunities and challenges faced by the coupling of OoCs and AI. In summary, advancements in OoCs development, and future combinations with AI, will eventually break the current state of drug evaluation.
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Affiliation(s)
- Shiwen Deng
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Caifeng Li
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
- Robot Intelligent Laboratory of Traditional Chinese Medicine, Experimental Research Center, China Academy of Chinese Medical Sciences & MEGAROBO, Beijing 100700, China
| | - Junxian Cao
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Zhao Cui
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jiang Du
- Yunnan Biovalley Pharmaceutical Co., Ltd, Kunming 650503, China
| | - Zheng Fu
- Robot Intelligent Laboratory of Traditional Chinese Medicine, Experimental Research Center, China Academy of Chinese Medical Sciences & MEGAROBO, Beijing 100700, China
| | - Hongjun Yang
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
- Robot Intelligent Laboratory of Traditional Chinese Medicine, Experimental Research Center, China Academy of Chinese Medical Sciences & MEGAROBO, Beijing 100700, China
| | - Peng Chen
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
- Yunnan Biovalley Pharmaceutical Co., Ltd, Kunming 650503, China
- Robot Intelligent Laboratory of Traditional Chinese Medicine, Experimental Research Center, China Academy of Chinese Medical Sciences & MEGAROBO, Beijing 100700, China
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6
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Vurro V, Shani K, Ardoña HAM, Zimmerman JF, Sesti V, Lee KY, Jin Q, Bertarelli C, Parker KK, Lanzani G. Light-triggered cardiac microphysiological model. APL Bioeng 2023; 7:026108. [PMID: 37234844 PMCID: PMC10208677 DOI: 10.1063/5.0143409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Light is recognized as an accurate and noninvasive tool for stimulating excitable cells. Here, we report on a non-genetic approach based on organic molecular phototransducers that allows wiring- and electrode-free tissue modulation. As a proof of concept, we show photostimulation of an in vitro cardiac microphysiological model mediated by an amphiphilic azobenzene compound that preferentially dwells in the cell membrane. Exploiting this optical based stimulation technology could be a disruptive approach for highly resolved cardiac tissue stimulation.
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Affiliation(s)
- V. Vurro
- Center for Nanoscience and Technology, Istituto Italiano di Teconologia, Milano, 20133 Italy
| | - K. Shani
- Disease Biophysics Group, John A. Paulson School of Engineering and Applied Science, Harvard University, Boston, Massachusetts 02134, USA
| | | | - J. F. Zimmerman
- Disease Biophysics Group, John A. Paulson School of Engineering and Applied Science, Harvard University, Boston, Massachusetts 02134, USA
| | | | | | - Q. Jin
- Disease Biophysics Group, John A. Paulson School of Engineering and Applied Science, Harvard University, Boston, Massachusetts 02134, USA
| | | | - K. K. Parker
- Disease Biophysics Group, John A. Paulson School of Engineering and Applied Science, Harvard University, Boston, Massachusetts 02134, USA
| | - G. Lanzani
- Author to whom correspondence should be addressed:
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7
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Wang K, Smith SH, Iijima H, Hettinger ZR, Mallepally A, Shroff SG, Ambrosio F. Bioengineered 3D Skeletal Muscle Model Reveals Complement 4b as a Cell-Autonomous Mechanism of Impaired Regeneration with Aging. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207443. [PMID: 36650030 DOI: 10.1002/adma.202207443] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 12/11/2022] [Indexed: 05/17/2023]
Abstract
A mechanistic understanding of cell-autonomous skeletal muscle changes after injury can lead to novel interventions to improve functional recovery in an aged population. However, major knowledge gaps persist owing to limitations of traditional biological aging models. 2D cell culture represents an artificial environment, while aging mammalian models are contaminated by influences from non-muscle cells and other organs. Here, a 3D muscle aging system is created to overcome the limitations of these traditional platforms. It is shown that old muscle constructs (OMC) manifest a sarcopenic phenotype, as evidenced by hypotrophic myotubes, reduced contractile function, and decreased regenerative capacity compared to young muscle constructs. OMC also phenocopy the regenerative responses of aged muscle to two interventions, pharmacological and biological. Interrogation of muscle cell-specific mechanisms that contribute to impaired regeneration over time further reveals that an aging-induced increase of complement component 4b (C4b) delays muscle progenitor cell amplification and impairs functional recovery. However, administration of complement factor I, a C4b inactivator, improves muscle regeneration in vitro and in vivo, indicating that C4b inhibition may be a novel approach to enhance aged muscle repair. Collectively, the model herein exhibits capabilities to study cell-autonomous changes in skeletal muscle during aging, regeneration, and intervention.
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Affiliation(s)
- Kai Wang
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Discovery Center for Musculoskeletal Recovery, Schoen Adams Research Institute at Spaulding, Charlestown, MA, 02129, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, 02115, USA
| | - Stephen H Smith
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Hirotaka Iijima
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Zachary R Hettinger
- Discovery Center for Musculoskeletal Recovery, Schoen Adams Research Institute at Spaulding, Charlestown, MA, 02129, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, 02115, USA
- Department of Medicine, Division of Geriatric Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Adarsh Mallepally
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Sanjeev G Shroff
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Fabrisia Ambrosio
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Discovery Center for Musculoskeletal Recovery, Schoen Adams Research Institute at Spaulding, Charlestown, MA, 02129, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, 02115, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
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8
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Victorious A. Current Applications of Organ-on-a-Chip: A Step Closer to Personalized Medicine. BIO INTEGRATION 2022. [DOI: 10.15212/bioi-2022-0027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Abstract In the pharmaceutical industry, a critical need exists for effective drug development approaches that better account for factors imposed by the physiological microenvironment. Organ-on-a-chip (OOAC)—a revolutionary technology that simulates human organs’
physiological milieu and performance on a chip—has applications in curing illnesses and drug screening, and enormous potential to transform the drug discovery workflow. However, the effective integration of this unique engineering system into ordinary pharmacological and medical contexts
remains in development. This Editorial summarizes current research on OOAC systems, and offers insight into future development prospects and the need for a next-generation OOAC framework.
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Rahimnejad M, Rasouli F, Jahangiri S, Ahmadi S, Rabiee N, Ramezani Farani M, Akhavan O, Asadnia M, Fatahi Y, Hong S, Lee J, Lee J, Hahn SK. Engineered Biomimetic Membranes for Organ-on-a-Chip. ACS Biomater Sci Eng 2022; 8:5038-5059. [PMID: 36347501 DOI: 10.1021/acsbiomaterials.2c00531] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Organ-on-a-chip (OOC) systems are engineered nanobiosystems to mimic the physiochemical environment of a specific organ in the body. Among various components of OOC systems, biomimetic membranes have been regarded as one of the most important key components to develop controllable biomimetic bioanalysis systems. Here, we review the preparation and characterization of biomimetic membranes in comparison with the features of the extracellular matrix. After that, we review and discuss the latest applications of engineered biomimetic membranes to fabricate various organs on a chip, such as liver, kidney, intestine, lung, skin, heart, vasculature and blood vessels, brain, and multiorgans with perspectives for further biomedical applications.
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Affiliation(s)
- Maedeh Rahimnejad
- Biomedical Engineering Institute, School of Medicine, Université de Montréal, Montreal, Quebec H3T 1J4, Canada.,Research Centre, Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, Quebec H2X 0A9, Canada
| | - Fariba Rasouli
- Bioceramics and Implants Laboratory, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14174-66191, Iran
| | - Sepideh Jahangiri
- Research Centre, Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, Quebec H2X 0A9, Canada.,Department of Biomedical Sciences, Faculty of Medicine, Université de Montréal, Montreal, Quebec H3T 1J4, Canada
| | - Sepideh Ahmadi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran.,Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19839-63113, Iran
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran.,School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia.,Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Marzieh Ramezani Farani
- Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran 14176-14411, Iran
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran
| | - Mohsen Asadnia
- School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 14176-14411, Iran
| | - Sanghoon Hong
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Jungho Lee
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Junmin Lee
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Sei Kwang Hahn
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
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Zommiti M, Connil N, Tahrioui A, Groboillot A, Barbey C, Konto-Ghiorghi Y, Lesouhaitier O, Chevalier S, Feuilloley MGJ. Organs-on-Chips Platforms Are Everywhere: A Zoom on Biomedical Investigation. Bioengineering (Basel) 2022; 9:646. [PMID: 36354557 PMCID: PMC9687856 DOI: 10.3390/bioengineering9110646] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/13/2022] [Accepted: 10/27/2022] [Indexed: 08/28/2023] Open
Abstract
Over the decades, conventional in vitro culture systems and animal models have been used to study physiology, nutrient or drug metabolisms including mechanical and physiopathological aspects. However, there is an urgent need for Integrated Testing Strategies (ITS) and more sophisticated platforms and devices to approach the real complexity of human physiology and provide reliable extrapolations for clinical investigations and personalized medicine. Organ-on-a-chip (OOC), also known as a microphysiological system, is a state-of-the-art microfluidic cell culture technology that sums up cells or tissue-to-tissue interfaces, fluid flows, mechanical cues, and organ-level physiology, and it has been developed to fill the gap between in vitro experimental models and human pathophysiology. The wide range of OOC platforms involves the miniaturization of cell culture systems and enables a variety of novel experimental techniques. These range from modeling the independent effects of biophysical forces on cells to screening novel drugs in multi-organ microphysiological systems, all within microscale devices. As in living biosystems, the development of vascular structure is the salient feature common to almost all organ-on-a-chip platforms. Herein, we provide a snapshot of this fast-evolving sophisticated technology. We will review cutting-edge developments and advances in the OOC realm, discussing current applications in the biomedical field with a detailed description of how this technology has enabled the reconstruction of complex multi-scale and multifunctional matrices and platforms (at the cellular and tissular levels) leading to an acute understanding of the physiopathological features of human ailments and infections in vitro.
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Affiliation(s)
- Mohamed Zommiti
- Research Unit Bacterial Communication and Anti-infectious Strategies (CBSA, UR4312), University of Rouen Normandie, 27000 Evreux, France
| | | | | | | | | | | | | | | | - Marc G. J. Feuilloley
- Research Unit Bacterial Communication and Anti-infectious Strategies (CBSA, UR4312), University of Rouen Normandie, 27000 Evreux, France
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11
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Yadav S, Majumder A. Biomimicked large-area anisotropic grooves from Dracaena sanderianaleaf enhances cellular alignment and subsequent differentiation. BIOINSPIRATION & BIOMIMETICS 2022; 17:056002. [PMID: 35728757 DOI: 10.1088/1748-3190/ac7afe] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Cellular alignment is important for the proper functioning of different tissues such as muscles or blood vessel walls. Hence, in tissue engineering, sufficient effort has been made to control cellular orientation and alignment. It has been shown that micro-and nanoscale anisotropic topological features on cell culture substrates can control cellular orientation. Such substrates are fabricated using various lithography techniques such as photolithography and soft lithography. Although such techniques are suitable for creating patterns in small areas to establish a proof-of-concept, patterning large areas with intricate features is an unsolved problem. In this work, we report that a replica of the groove-like anisotropic patterns of the abaxial side of aDracaena sanderiana(bamboo) leaf can be used for large-area patterning of cells. We imprinted the leaf on polydimethylsiloxane (PDMS) and characterised its surface topography using scanning electron microscopy. We further cultured bone marrow human mesenchymal cells (BM-hMSCs), skeletal muscle cells (C2C12), and neuroblastoma cells (SHSY5Y) on the patterned PDMS on which the cells orient along the direction of the grooved pattern. Further, we observed enhanced neuronal differentiation of SHSY5Y cells on biomimicked pattern compared to flat PDMS as measured by percentage of cells with neurites, neurite length and the expression of neuronal differentiation marker beta-III tubulin (TUJ1). This process is simple, frugal, and can be adopted by laboratories with resource constraints. This one-step technique to fabricate large-area anisotropic surface patterns from bamboo leaves can be used as a platform to study cellular alignment and its effect on various cellular functions, including differentiation.
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Affiliation(s)
- Shital Yadav
- Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Abhijit Majumder
- Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai 400076, India
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12
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Recent advances in lung-on-a-chip models. Drug Discov Today 2022; 27:2593-2602. [PMID: 35724916 DOI: 10.1016/j.drudis.2022.06.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/12/2022] [Accepted: 06/14/2022] [Indexed: 11/22/2022]
Abstract
With the global burden of respiratory diseases, rapid identification of the best therapeutic measures to combat these diseases is essential. Animal models and 2D cell culture models do not replicate the findings observed in vivo. To gain deeper insight into lung pathology and physiology, 3D and advanced lung-on-a-chip models have been developed recently. Lung-on-a-chip models more accurately simulate the lung's microenvironment and functions in vivo, resulting in more-accurate assessments of drug safety and effectiveness. This review discusses the transition from 2D to 3D models and the recent advances in lung-on-a-chip platforms, their implementation and the numerous challenges faced. Finally, a general overview of this platform and its potential applications in respiratory disease research and drug discovery is highlighted.
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13
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Filippi M, Buchner T, Yasa O, Weirich S, Katzschmann RK. Microfluidic Tissue Engineering and Bio-Actuation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108427. [PMID: 35194852 DOI: 10.1002/adma.202108427] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Bio-hybrid technologies aim to replicate the unique capabilities of biological systems that could surpass advanced artificial technologies. Soft bio-hybrid robots consist of synthetic and living materials and have the potential to self-assemble, regenerate, work autonomously, and interact safely with other species and the environment. Cells require a sufficient exchange of nutrients and gases, which is guaranteed by convection and diffusive transport through liquid media. The functional development and long-term survival of biological tissues in vitro can be improved by dynamic flow culture, but only microfluidic flow control can develop tissue with fine structuring and regulation at the microscale. Full control of tissue growth at the microscale will eventually lead to functional macroscale constructs, which are needed as the biological component of soft bio-hybrid technologies. This review summarizes recent progress in microfluidic techniques to engineer biological tissues, focusing on the use of muscle cells for robotic bio-actuation. Moreover, the instances in which bio-actuation technologies greatly benefit from fusion with microfluidics are highlighted, which include: the microfabrication of matrices, biomimicry of cell microenvironments, tissue maturation, perfusion, and vascularization.
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Affiliation(s)
- Miriam Filippi
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Thomas Buchner
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Oncay Yasa
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Stefan Weirich
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
| | - Robert K Katzschmann
- Soft Robotics Laboratory, ETH Zurich, Tannenstrasse 3, Zurich, 8092, Switzerland
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14
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Vargas R, Egurbide-Sifre A, Medina L. Organ-on-a-Chip systems for new drugs development. ADMET AND DMPK 2022; 9:111-141. [PMID: 35299767 PMCID: PMC8920106 DOI: 10.5599/admet.942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/04/2021] [Indexed: 11/18/2022] Open
Abstract
Research on alternatives to the use of animal models and cell cultures has led to the creation of organ-on-a-chip systems, in which organs and their physiological reactions to the presence of external stimuli are simulated. These systems could even replace the use of human beings as subjects for the study of drugs in clinical phases and have an impact on personalized therapies. Organ-on-a-chip technology present higher potential than traditional cell cultures for an appropriate prediction of functional impairments, appearance of adverse effects, the pharmacokinetic and toxicological profile and the efficacy of a drug. This potential is given by the possibility of placing different cell lines in a three-dimensional-arranged polymer piece and simulating and controlling specific conditions. Thus, the normal functioning of an organ, tissue, barrier, or physiological phenomenon can be simulated, as well as the interrelation between different systems. Furthermore, this alternative allows the study of physiological and pathophysiological processes. Its design combines different disciplines such as materials engineering, cell cultures, microfluidics and physiology, among others. This work presents the main considerations of OoC systems, the materials, methods and cell lines used for their design, and the conditions required for their proper functioning. Examples of applications and main challenges for the development of more robust systems are shown. This non-systematic review is intended to be a reference framework that facilitates research focused on the development of new OoC systems, as well as their use as alternatives in pharmacological, pharmacokinetic and toxicological studies.
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Affiliation(s)
- Ronny Vargas
- Industrial Pharmacy Department, Faculty of Pharmacy, University of Costa Rica 11501-2060, San José, Costa Rica.,Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-1, 08028, Barcelona, Spain
| | - Andrea Egurbide-Sifre
- Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-1, 08028, Barcelona, Spain
| | - Laura Medina
- Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-1, 08028, Barcelona, Spain
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15
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Park J, Wu Z, Steiner PR, Zhu B, Zhang JXJ. Heart-on-Chip for Combined Cellular Dynamics Measurements and Computational Modeling Towards Clinical Applications. Ann Biomed Eng 2022; 50:111-137. [PMID: 35039976 DOI: 10.1007/s10439-022-02902-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 01/01/2022] [Indexed: 12/24/2022]
Abstract
Organ-on-chip or micro-engineered three-dimensional cellular or tissue models are increasingly implemented in the study of cardiovascular pathophysiology as alternatives to traditional in vitro cell culture. Drug induced cardiotoxicity is a key issue in drug development pipelines, but the current in vitro and in vivo studies suffer from inter-species differences, high costs, and lack of reliability and accuracy in predicting cardiotoxicity. Microfluidic heart-on-chip devices can impose a paradigm shift to the current tools. They can not only recapitulate cardiac tissue level functionality and the communication between cells and extracellular matrices but also allow higher throughput studies conducive to drug screening especially with their added functionalities or sensors that extract disease-specific phenotypic, genotypic, and electrophysiological information in real-time. Such electrical and mechanical components can tailor the electrophysiology and mechanobiology of the experiment to better mimic the in vivo condition as well. Recent advancements and challenges are reviewed in the fabrication, functionalization and sensor assisted mechanical and electrophysiological measurements, numerical and computational modeling of cardiomyocytes' behavior, and the clinical applications in drug screening and disease modeling. This review concludes with the current challenges and perspectives on the future of such organ-on-chip platforms.
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Affiliation(s)
- Jiyoon Park
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Ziqian Wu
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Paul R Steiner
- Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH, 03766, USA
| | - Bo Zhu
- Computer Science Department, Dartmouth College, Hanover, NH, 03755, USA
| | - John X J Zhang
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA. .,Dartmouth-Hitchcock Medical Center, 1 Medical Center Dr, Lebanon, NH, 03766, USA.
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16
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Li J, Chen J, Bai H, Wang H, Hao S, Ding Y, Peng B, Zhang J, Li L, Huang W. An Overview of Organs-on-Chips Based on Deep Learning. RESEARCH (WASHINGTON, D.C.) 2022; 2022:9869518. [PMID: 35136860 PMCID: PMC8795883 DOI: 10.34133/2022/9869518] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/08/2021] [Indexed: 12/15/2022]
Abstract
Microfluidic-based organs-on-chips (OoCs) are a rapidly developing technology in biomedical and chemical research and have emerged as one of the most advanced and promising in vitro models. The miniaturization, stimulated tissue mechanical forces, and microenvironment of OoCs offer unique properties for biomedical applications. However, the large amount of data generated by the high parallelization of OoC systems has grown far beyond the scope of manual analysis by researchers with biomedical backgrounds. Deep learning, an emerging area of research in the field of machine learning, can automatically mine the inherent characteristics and laws of "big data" and has achieved remarkable applications in computer vision, speech recognition, and natural language processing. The integration of deep learning in OoCs is an emerging field that holds enormous potential for drug development, disease modeling, and personalized medicine. This review briefly describes the basic concepts and mechanisms of microfluidics and deep learning and summarizes their successful integration. We then analyze the combination of OoCs and deep learning for image digitization, data analysis, and automation. Finally, the problems faced in current applications are discussed, and future perspectives and suggestions are provided to further strengthen this integration.
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Affiliation(s)
- Jintao Li
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Jie Chen
- Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, School of Electronics and Information Engineering, Anhui University, Hefei 230601, China
- 38th Research Institute of China Electronics Technology Group Corporation, Hefei 230088, China
| | - Hua Bai
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Haiwei Wang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Shiping Hao
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yang Ding
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Bo Peng
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Jing Zhang
- College of Biomedical Engineering, Sichuan University, Chengdu 610065, China
| | - Lin Li
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech), Nanjing 211800, China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, Xi'an 710072, China
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech), Nanjing 211800, China
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17
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Kim J, Shanmugasundaram A, Lee DW. Enhancement of cardiac contractility using gold-coated SU-8 cantilevers and their application to drug-induced cardiac toxicity tests. Analyst 2021; 146:6768-6779. [PMID: 34642716 DOI: 10.1039/d1an01337h] [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
Herein, we propose an array of gold (Au)-coated SU-8 cantilevers with microgrooves for improved maturation of cardiomyocytes and describe its applications to drug-induced cardiac toxicity tests. Firstly, we evaluated the effect of cell culture substrates such as polydimethylsiloxane (PDMS), polyimide (PI), and SU-8 on the cardiomyocyte's maturation. Among these, the SU-8 with microgroove structures exhibits improved cardiomyocyte maturation. Further, thin layers of graphene and Au are coated on SU-8 substrates and the effects of these materials on cardiomyocyte maturation are evaluated by analyzing the expression of proteins such as alpha-actinin, Connexin 43 (Cx43), and Vinculin. While both conductive materials enhanced protein expression when compared to bare SU-8, the Au-coated SU-8 substrates demonstrated superior cardiomyocyte maturation. The cantilever structure is constructed using microgroove patterned SU-8 with and without an Au coating. The Au-coated SU-8 cantilever showed maximum displacement of 17.6 ± 0.3 μm on day 21 compared to bare SU-8 (14.2 ± 0.4 μm) owing to improved cardiomyocytes maturation. Verapamil and quinidine are used to characterize drug-induced changes in the contraction characteristics of cardiomyocytes on bare and Au-coated SU-8 cantilevers. The relative contraction forces and beat rates changed according to the calcium and sodium channel related drugs. Matured cardiomyocytes are less influenced by the drugs compared to immature cardiomyocytes and showed reliable IC50 values. These results indicate that the proposed Au-coated SU-8 cantilever array could help improve the accuracy of toxicity screening results by allowing for the use of cardiomyocytes that have been matured on the drug screening platform.
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Affiliation(s)
- Jongyun Kim
- Graduate School of Mechanical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Arunkumar Shanmugasundaram
- MEMS and Nanotechnology Laboratory, School of Mechanical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea.
| | - Dong-Weon Lee
- MEMS and Nanotechnology Laboratory, School of Mechanical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea. .,Center for Next-Generation Sensor Research and Development, Chonnam National University, Gwangju 61186, Republic of Korea.,Advanced Medical Device Research Center for Cardiovascular Disease, Chonnam National University, Gwangju 61186, Republic of Korea
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18
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Mehrabi M, Morris TA, Cang Z, Nguyen CHH, Sha Y, Asad MN, Khachikyan N, Greene TL, Becker DM, Nie Q, Zaragoza MV, Grosberg A. A Study of Gene Expression, Structure, and Contractility of iPSC-Derived Cardiac Myocytes from a Family with Heart Disease due to LMNA Mutation. Ann Biomed Eng 2021; 49:3524-3539. [PMID: 34585335 PMCID: PMC8671287 DOI: 10.1007/s10439-021-02850-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 08/06/2021] [Indexed: 12/18/2022]
Abstract
Genetic mutations to the Lamin A/C gene (LMNA) can cause heart disease, but the mechanisms making cardiac tissues uniquely vulnerable to the mutations remain largely unknown. Further, patients with LMNA mutations have highly variable presentation of heart disease progression and type. In vitro patient-specific experiments could provide a powerful platform for studying this phenomenon, but the use of induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) introduces heterogeneity in maturity and function thus complicating the interpretation of the results of any single experiment. We hypothesized that integrating single cell RNA sequencing (scRNA-seq) with analysis of the tissue architecture and contractile function would elucidate some of the probable mechanisms. To test this, we investigated five iPSC-CM lines, three controls and two patients with a (c.357-2A>G) mutation. The patient iPSC-CM tissues had significantly weaker stress generation potential than control iPSC-CM tissues demonstrating the viability of our in vitro approach. Through scRNA-seq, differentially expressed genes between control and patient lines were identified. Some of these genes, linked to quantitative structural and functional changes, were cardiac specific, explaining the targeted nature of the disease progression seen in patients. The results of this work demonstrate the utility of combining in vitro tools in exploring heart disease mechanics.
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Affiliation(s)
- Mehrsa Mehrabi
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA
| | - Tessa A Morris
- UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA.,Center for Complex Biological Systems, University of California, Irvine, CA, 92697, USA
| | - Zixuan Cang
- Department of Mathematics and Developmental & Cell Biology, University of California, Irvine, CA, 92697, USA.,The NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, CA, 92697, USA
| | - Cecilia H H Nguyen
- Genetics & Genomics Division, Department of Pediatrics, School of Medicine, University of California, Irvine, CA, 92697, USA
| | - Yutong Sha
- Department of Mathematics and Developmental & Cell Biology, University of California, Irvine, CA, 92697, USA
| | - Mira N Asad
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA
| | - Nyree Khachikyan
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA
| | - Taylor L Greene
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA
| | - Danielle M Becker
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA
| | - Qing Nie
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA.,Department of Mathematics and Developmental & Cell Biology, University of California, Irvine, CA, 92697, USA.,The NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, CA, 92697, USA
| | - Michael V Zaragoza
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, CA, 92697, USA.,Genetics & Genomics Division, Department of Pediatrics, School of Medicine, University of California, Irvine, CA, 92697, USA
| | - Anna Grosberg
- Department of Biomedical Engineering, University of California, Irvine, CA, 92697, USA. .,UCI Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center (CIRC), University of California, Irvine, CA, 92697, USA. .,Center for Complex Biological Systems, University of California, Irvine, CA, 92697, USA. .,The NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, CA, 92697, USA. .,Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA, 92697, USA. .,The Henry Samueli School of Engineering, University of California, Irvine, 2418 Engineering Hall, Irvine, CA, 92697, USA.
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19
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Celikkin N, Presutti D, Maiullari F, Fornetti E, Agarwal T, Paradiso A, Volpi M, Święszkowski W, Bearzi C, Barbetta A, Zhang YS, Gargioli C, Rizzi R, Costantini M. Tackling Current Biomedical Challenges With Frontier Biofabrication and Organ-On-A-Chip Technologies. Front Bioeng Biotechnol 2021; 9:732130. [PMID: 34604190 PMCID: PMC8481890 DOI: 10.3389/fbioe.2021.732130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/31/2021] [Indexed: 12/13/2022] Open
Abstract
In the last decades, biomedical research has significantly boomed in the academia and industrial sectors, and it is expected to continue to grow at a rapid pace in the future. An in-depth analysis of such growth is not trivial, given the intrinsic multidisciplinary nature of biomedical research. Nevertheless, technological advances are among the main factors which have enabled such progress. In this review, we discuss the contribution of two state-of-the-art technologies-namely biofabrication and organ-on-a-chip-in a selection of biomedical research areas. We start by providing an overview of these technologies and their capacities in fabricating advanced in vitro tissue/organ models. We then analyze their impact on addressing a range of current biomedical challenges. Ultimately, we speculate about their future developments by integrating these technologies with other cutting-edge research fields such as artificial intelligence and big data analysis.
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Affiliation(s)
- Nehar Celikkin
- Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland
| | - Dario Presutti
- Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland
| | - Fabio Maiullari
- Istituto Nazionale Genetica Molecolare INGM “Romeo Ed Enrica Invernizzi”, Milan, Italy
| | | | - Tarun Agarwal
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Alessia Paradiso
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
| | - Marina Volpi
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
| | - Wojciech Święszkowski
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
| | - Claudia Bearzi
- Istituto Nazionale Genetica Molecolare INGM “Romeo Ed Enrica Invernizzi”, Milan, Italy
- Institute of Genetic and Biomedical Research, National Research Council of Italy (IRGB-CNR), Milan, Italy
| | - Andrea Barbetta
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Cambridge, MA, United States
| | - Cesare Gargioli
- Department of Biology, Rome University Tor Vergata, Rome, Italy
| | - Roberto Rizzi
- Istituto Nazionale Genetica Molecolare INGM “Romeo Ed Enrica Invernizzi”, Milan, Italy
- Institute of Genetic and Biomedical Research, National Research Council of Italy (IRGB-CNR), Milan, Italy
- Institute of Biomedical Technologies, National Research Council of Italy (ITB-CNR), Milan, Italy
| | - Marco Costantini
- Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland
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20
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Malik M, Yang Y, Fathi P, Mahler GJ, Esch MB. Critical Considerations for the Design of Multi-Organ Microphysiological Systems (MPS). Front Cell Dev Biol 2021; 9:721338. [PMID: 34568333 PMCID: PMC8459628 DOI: 10.3389/fcell.2021.721338] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/05/2021] [Indexed: 12/19/2022] Open
Abstract
Identification and approval of new drugs for use in patients requires extensive preclinical studies and clinical trials. Preclinical studies rely on in vitro experiments and animal models of human diseases. The transferability of drug toxicity and efficacy estimates to humans from animal models is being called into question. Subsequent clinical studies often reveal lower than expected efficacy and higher drug toxicity in humans than that seen in animal models. Microphysiological systems (MPS), sometimes called organ or human-on-chip models, present a potential alternative to animal-based models used for drug toxicity screening. This review discusses multi-organ MPS that can be used to model diseases and test the efficacy and safety of drug candidates. The translation of an in vivo environment to an in vitro system requires physiologically relevant organ scaling, vascular dimensions, and appropriate flow rates. Even small changes in those parameters can alter the outcome of experiments conducted with MPS. With many MPS devices being developed, we have outlined some established standards for designing MPS devices and described techniques to validate the devices. A physiologically realistic mimic of the human body can help determine the dose response and toxicity effects of a new drug candidate with higher predictive power.
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Affiliation(s)
- Mridu Malik
- Department of Bioengineering, University of Maryland, College Park, College Park, MD, United States
- Biophysical and Biomedical Measurement Group, Physical Measurement Laboratory, Microsystems and Nanotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD, United States
| | - Yang Yang
- Biophysical and Biomedical Measurement Group, Physical Measurement Laboratory, Microsystems and Nanotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD, United States
- Department of Chemical Engineering, University of Maryland, College Park, College Park, MD, United States
| | - Parinaz Fathi
- Department of Bioengineering, Materials Science and Engineering, and Beckman Institute, University of Illinois at Urbana-Champaign, Champaign, IL, United States
| | - Gretchen J. Mahler
- Department of Biomedical Engineering, Binghamton University, Binghamton, NY, United States
| | - Mandy B. Esch
- Biophysical and Biomedical Measurement Group, Physical Measurement Laboratory, Microsystems and Nanotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD, United States
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21
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Santoso JW, Li X, Gupta D, Suh GC, Hendricks E, Lin S, Perry S, Ichida JK, Dickman D, McCain ML. Engineering skeletal muscle tissues with advanced maturity improves synapse formation with human induced pluripotent stem cell-derived motor neurons. APL Bioeng 2021; 5:036101. [PMID: 34286174 PMCID: PMC8282350 DOI: 10.1063/5.0054984] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022] Open
Abstract
To develop effective cures for neuromuscular diseases, human-relevant in vitro models of neuromuscular tissues are critically needed to probe disease mechanisms on a cellular and molecular level. However, previous attempts to co-culture motor neurons and skeletal muscle have resulted in relatively immature neuromuscular junctions (NMJs). In this study, NMJs formed by human induced pluripotent stem cell (hiPSC)-derived motor neurons were improved by optimizing the maturity of the co-cultured muscle tissue. First, muscle tissues engineered from the C2C12 mouse myoblast cell line, cryopreserved primary human myoblasts, and freshly isolated primary chick myoblasts on micromolded gelatin hydrogels were compared. After three weeks, only chick muscle tissues remained stably adhered to hydrogels and exhibited progressive increases in myogenic index and stress generation, approaching values generated by native muscle tissue. After three weeks of co-culture with hiPSC-derived motor neurons, engineered chick muscle tissues formed NMJs with increasing co-localization of pre- and postsynaptic markers as well as increased frequency and magnitude of synaptic activity, surpassing structural and functional maturity of previous in vitro models. Engineered chick muscle tissues also demonstrated increased expression of genes related to sarcomere maturation and innervation over time, revealing new insights into the molecular pathways that likely contribute to enhanced NMJ formation. These approaches for engineering advanced neuromuscular tissues with relatively mature NMJs and interrogating their structure and function have many applications in neuromuscular disease modeling and drug development.
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Affiliation(s)
- Jeffrey W. Santoso
- Laboratory for Living Systems Engineering, Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, California 90089, USA
| | - Xiling Li
- Department of Biological Sciences, Dornsife College of Arts and Letters, University of Southern California, Los Angeles, California 90089, USA
| | - Divya Gupta
- Laboratory for Living Systems Engineering, Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, California 90089, USA
| | - Gio C. Suh
- Laboratory for Living Systems Engineering, Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, California 90089, USA
| | - Eric Hendricks
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of USC, University of Southern California, Los Angeles, California 90033, USA
| | - Shaoyu Lin
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of USC, University of Southern California, Los Angeles, California 90033, USA
| | - Sarah Perry
- Department of Biological Sciences, Dornsife College of Arts and Letters, University of Southern California, Los Angeles, California 90089, USA
| | - Justin K. Ichida
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of USC, University of Southern California, Los Angeles, California 90033, USA
| | - Dion Dickman
- Department of Biological Sciences, Dornsife College of Arts and Letters, University of Southern California, Los Angeles, California 90089, USA
| | - Megan L. McCain
- Author to whom correspondence should be addressed:. Tel: +1 2138210791. URL:https://livingsystemsengineering.usc.edu
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22
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Jahagirdar D, Bangde P, Jain R, Dandekar P. Degenerative disease-on-a-chip: Developing microfluidic models for rapid availability of newer therapies. Biotechnol J 2021; 16:e2100154. [PMID: 34390543 DOI: 10.1002/biot.202100154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 08/09/2021] [Accepted: 08/11/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Understanding the pathophysiology of degenerative diseases pertaining to nervous system, ocular region, bone/cartilage and muscle are still being comprehended, thus delaying the availability of targeted therapies. PURPOSE AND SCOPE Newer micro-physiological systems (organ-on-chip technology) involves development of more sophisticated devices, modelling a range of in vitro human tissues and an array of models for diseased conditions. These models expand opportunities for high throughput screening (HTS) of drugs and are likely to be rapid and cost-effective, thus reducing extensive usage of animal models. CONCLUSION Through this review article, we aim to present an overview of the degenerative disease models that are presently being developed using microfluidic platforms with the aim of mimicking in vivo tissue physiology and micro-architecture. The manuscript provides an overview of the degenerative disease models and their potential for testing and screening of possible biotherapeutic molecules and drugs. It highlights the perspective of the regulatory bodies with respect to the established-on chip models and thereby enhancing its translational potential. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Devashree Jahagirdar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, India
| | - Prachi Bangde
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, India
| | - Ratnesh Jain
- Department of Chemical Engineering, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, India
| | - Prajakta Dandekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, India
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Joseph X, Akhil V, Arathi A, Mohanan PV. Comprehensive Development in Organ-On-A-Chip Technology. J Pharm Sci 2021; 111:18-31. [PMID: 34324944 DOI: 10.1016/j.xphs.2021.07.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 07/21/2021] [Accepted: 07/21/2021] [Indexed: 12/19/2022]
Abstract
The expeditious advancement in the organ on chip technology provided a phase change to the conventional in vitro tests used to evaluate absorption, distribution, metabolism, excretion (ADME) studies and toxicity assessments. The demand for an accurate predictive model for assessing toxicity and reducing the potential risk factors became the prime area of any drug delivery process. Researchers around the globe are welcoming the incorporation of organ-on-a-chips for ADME and toxicity evaluation. Organ-on-a-chip (OOC) is an interdisciplinary technology that evolved as a contemporary in vitro model for the pharmacokinetics and pharmacodynamics (PK-PD) studies of a proposed drug candidate in the pre-clinical phases of drug development. The OOC provides a platform that mimics the physiological functions occurring in the human body. The precise flow control systems and the rapid sample processing makes OOC more advanced than the conventional two-dimensional (2D) culture systems. The integration of various organs as in the multi organs-on-a-chip provides more significant ideas about the time and dose dependant effects occurring in the body when a new drug molecule is administered as part of the pre-clinical times. This review outlines the comprehensive development in the organ-on-a-chip technology, various OOC models and its drug development applications, toxicity evaluation and efficacy studies.
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Affiliation(s)
- X Joseph
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum 695012, Kerala, India
| | - V Akhil
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum 695012, Kerala, India
| | - A Arathi
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum 695012, Kerala, India
| | - P V Mohanan
- Toxicology Division, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology (Govt. of India), Poojapura, Trivandrum 695012, Kerala, India.
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Andrysiak K, Stępniewski J, Dulak J. Human-induced pluripotent stem cell-derived cardiomyocytes, 3D cardiac structures, and heart-on-a-chip as tools for drug research. Pflugers Arch 2021; 473:1061-1085. [PMID: 33629131 PMCID: PMC8245367 DOI: 10.1007/s00424-021-02536-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
Development of new drugs is of high interest for the field of cardiac and cardiovascular diseases, which are a dominant cause of death worldwide. Before being allowed to be used and distributed, every new potentially therapeutic compound must be strictly validated during preclinical and clinical trials. The preclinical studies usually involve the in vitro and in vivo evaluation. Due to the increasing reporting of discrepancy in drug effects in animal and humans and the requirement to reduce the number of animals used in research, improvement of in vitro models based on human cells is indispensable. Primary cardiac cells are difficult to access and maintain in cell culture for extensive experiments; therefore, the human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) became an excellent alternative. This technology enables a production of high number of patient- and disease-specific cardiomyocytes and other cardiac cell types for a large-scale research. The drug effects can be extensively evaluated in the context of electrophysiological responses with a use of well-established tools, such as multielectrode array (MEA), patch clamp, or calcium ion oscillation measurements. Cardiotoxicity, which is a common reason for withdrawing drugs from marketing or rejection at final stages of clinical trials, can be easily verified with a use of hiPSC-CM model providing a prediction of human-specific responses and higher safety of clinical trials involving patient cohort. Abovementioned studies can be performed using two-dimensional cell culture providing a high-throughput and relatively lower costs. On the other hand, more complex structures, such as engineered heart tissue, organoids, or spheroids, frequently applied as co-culture systems, represent more physiological conditions and higher maturation rate of hiPSC-derived cells. Furthermore, heart-on-a-chip technology has recently become an increasingly popular tool, as it implements controllable culture conditions, application of various stimulations and continuous parameters read-out. This paper is an overview of possible use of cardiomyocytes and other cardiac cell types derived from hiPSC as in vitro models of heart in drug research area prepared on the basis of latest scientific reports and providing thorough discussion regarding their advantages and limitations.
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Affiliation(s)
- Kalina Andrysiak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Jacek Stępniewski
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Józef Dulak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland.
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25
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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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Murray BO, Flores C, Williams C, Flusberg DA, Marr EE, Kwiatkowska KM, Charest JL, Isenberg BC, Rohn JL. Recurrent Urinary Tract Infection: A Mystery in Search of Better Model Systems. Front Cell Infect Microbiol 2021; 11:691210. [PMID: 34123879 PMCID: PMC8188986 DOI: 10.3389/fcimb.2021.691210] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/04/2021] [Indexed: 12/12/2022] Open
Abstract
Urinary tract infections (UTIs) are among the most common infectious diseases worldwide but are significantly understudied. Uropathogenic E. coli (UPEC) accounts for a significant proportion of UTI, but a large number of other species can infect the urinary tract, each of which will have unique host-pathogen interactions with the bladder environment. Given the substantial economic burden of UTI and its increasing antibiotic resistance, there is an urgent need to better understand UTI pathophysiology - especially its tendency to relapse and recur. Most models developed to date use murine infection; few human-relevant models exist. Of these, the majority of in vitro UTI models have utilized cells in static culture, but UTI needs to be studied in the context of the unique aspects of the bladder's biophysical environment (e.g., tissue architecture, urine, fluid flow, and stretch). In this review, we summarize the complexities of recurrent UTI, critically assess current infection models and discuss potential improvements. More advanced human cell-based in vitro models have the potential to enable a better understanding of the etiology of UTI disease and to provide a complementary platform alongside animals for drug screening and the search for better treatments.
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Affiliation(s)
- Benjamin O. Murray
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Carlos Flores
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Corin Williams
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Deborah A. Flusberg
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Elizabeth E. Marr
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Karolina M. Kwiatkowska
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Joseph L. Charest
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Brett C. Isenberg
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Jennifer L. Rohn
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
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Li XP, Qu KY, Zhou B, Zhang F, Wang YY, Abodunrin OD, Zhu Z, Huang NP. Electrical stimulation of neonatal rat cardiomyocytes using conductive polydopamine-reduced graphene oxide-hybrid hydrogels for constructing cardiac microtissues. Colloids Surf B Biointerfaces 2021; 205:111844. [PMID: 34015732 DOI: 10.1016/j.colsurfb.2021.111844] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/09/2021] [Accepted: 05/10/2021] [Indexed: 12/13/2022]
Abstract
The development of diversified biomaterials in tissue engineering has been promoted by growing research into carbon-based nanomaterials. Usually, ideal scaffold materials should possess properties similar to the extracellular matrix of natural myocardial tissue. In this study, dopamine-reduced graphene oxide (GO), was prepared and doped into gelatin methacrylate (GelMA) hydrogels, resulting in novel conductive and mechanical properties for controlling cell growth. Cardiomyocytes (CMs) cultured on PDA-rGO-incorporated hydrogels (GelMA-PDA-rGO) had greater cytocompatibility than those cultured on GelMA hydrogels, as evidenced by higher cell survival rates and up-regulation of cardiac-relevant proteins. Finally, electrical stimulation was applied to facilitate the maturation of CMs which was seeded on different hydrogels. The findings revealed that electrical stimulation of conductive hybrid hydrogel scaffolds improved the orientational order parameter of sarcomeres (OOP). In addition, propagation of intercellular pacing signals, which improves the expression of gap junction proteins was noticed, likewise calcium handling capacity was present in conductive hybrid hydrogels compared to those in pure GelMA group. This study has shown that the combination of GelMA-PDA-rGO based conductive hydrogels and electrical stimulation possessed synergistic effects for engineering a more functional and mature myocardium layer as well as further application in drug screening and disease modeling in vitro.
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Affiliation(s)
- Xiao-Pei Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Kai-Yun Qu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Bin Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Feng Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Yin-Ying Wang
- Key Laboratory of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Oluwatosin David Abodunrin
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Zhen Zhu
- Key Laboratory of MEMS of Ministry of Education, School of Electronic Science and Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Ning-Ping Huang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China.
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Rothbauer M, Bachmann BE, Eilenberger C, Kratz SR, Spitz S, Höll G, Ertl P. A Decade of Organs-on-a-Chip Emulating Human Physiology at the Microscale: A Critical Status Report on Progress in Toxicology and Pharmacology. MICROMACHINES 2021; 12:470. [PMID: 33919242 PMCID: PMC8143089 DOI: 10.3390/mi12050470] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/22/2022]
Abstract
Organ-on-a-chip technology has the potential to accelerate pharmaceutical drug development, improve the clinical translation of basic research, and provide personalized intervention strategies. In the last decade, big pharma has engaged in many academic research cooperations to develop organ-on-a-chip systems for future drug discoveries. Although most organ-on-a-chip systems present proof-of-concept studies, miniaturized organ systems still need to demonstrate translational relevance and predictive power in clinical and pharmaceutical settings. This review explores whether microfluidic technology succeeded in paving the way for developing physiologically relevant human in vitro models for pharmacology and toxicology in biomedical research within the last decade. Individual organ-on-a-chip systems are discussed, focusing on relevant applications and highlighting their ability to tackle current challenges in pharmacological research.
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Affiliation(s)
- Mario Rothbauer
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
- Karl Chiari Lab for Orthopaedic Biology, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Währinger Gürtel 18-22, 1090 Vienna, Austria
| | - Barbara E.M. Bachmann
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Allgemeine Unfallversicherungsanstalt (AUVA) Research Centre, Donaueschingenstraße 13, 1200 Vienna, Austria
| | - Christoph Eilenberger
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Sebastian R.A. Kratz
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
- Drug Delivery and 3R-Models Group, Buchmann Institute for Molecular Life Sciences & Institute for Pharmaceutical Technology, Goethe University Frankfurt Am Main, 60438 Frankfurt, Germany
| | - Sarah Spitz
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Gregor Höll
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Peter Ertl
- Faculty of Technical Chemistry, Institute of Applied Synthetic Chemistry and Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/163-164, 1060 Vienna, Austria; (B.E.M.B.); (C.E.); (S.R.A.K.); (S.S.); (G.H.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
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29
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Campostrini G, Windt LM, van Meer BJ, Bellin M, Mummery CL. Cardiac Tissues From Stem Cells: New Routes to Maturation and Cardiac Regeneration. Circ Res 2021; 128:775-801. [PMID: 33734815 PMCID: PMC8410091 DOI: 10.1161/circresaha.121.318183] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The ability of human pluripotent stem cells to form all cells of the body has provided many opportunities to study disease and produce cells that can be used for therapy in regenerative medicine. Even though beating cardiomyocytes were among the first cell types to be differentiated from human pluripotent stem cell, cardiac applications have advanced more slowly than those, for example, for the brain, eye, and pancreas. This is, in part, because simple 2-dimensional human pluripotent stem cell cardiomyocyte cultures appear to need crucial functional cues normally present in the 3-dimensional heart structure. Recent tissue engineering approaches combined with new insights into the dialogue between noncardiomyocytes and cardiomyocytes have addressed and provided solutions to issues such as cardiomyocyte immaturity and inability to recapitulate adult heart values for features like contraction force, electrophysiology, or metabolism. Three-dimensional bioengineered heart tissues are thus poised to contribute significantly to disease modeling, drug discovery, and safety pharmacology, as well as provide new modalities for heart repair. Here, we review the current status of 3-dimensional engineered heart tissues.
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Affiliation(s)
- Giulia Campostrini
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands (G.C., L.M.W., B.J.v.M., M.B., C.L.M.)
| | - Laura M. Windt
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands (G.C., L.M.W., B.J.v.M., M.B., C.L.M.)
| | - Berend J. van Meer
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands (G.C., L.M.W., B.J.v.M., M.B., C.L.M.)
- MESA+ Institute (B.J.v.M.), University of Twente, Enschede, the Netherlands
| | - Milena Bellin
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands (G.C., L.M.W., B.J.v.M., M.B., C.L.M.)
- Department of Biology, University of Padua, Italy (M.B.)
- Veneto Institute of Molecular Medicine, Padua, Padua, Italy (M.B.)
| | - Christine L. Mummery
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, the Netherlands (G.C., L.M.W., B.J.v.M., M.B., C.L.M.)
- Department of Applied Stem Cell Technologies (C.L.M.), University of Twente, Enschede, the Netherlands
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30
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Mondrinos MJ, Alisafaei F, Yi AY, Ahmadzadeh H, Lee I, Blundell C, Seo J, Osborn M, Jeon TJ, Kim SM, Shenoy VB, Huh D. Surface-directed engineering of tissue anisotropy in microphysiological models of musculoskeletal tissue. SCIENCE ADVANCES 2021; 7:7/11/eabe9446. [PMID: 33712463 PMCID: PMC7954445 DOI: 10.1126/sciadv.abe9446] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/27/2021] [Indexed: 05/11/2023]
Abstract
Here, we present an approach to model and adapt the mechanical regulation of morphogenesis that uses contractile cells as sculptors of engineered tissue anisotropy in vitro. Our method uses heterobifunctional cross-linkers to create mechanical boundary constraints that guide surface-directed sculpting of cell-laden extracellular matrix hydrogel constructs. Using this approach, we engineered linearly aligned tissues with structural and mechanical anisotropy. A multiscale in silico model of the sculpting process was developed to reveal that cell contractility increases as a function of principal stress polarization in anisotropic tissues. We also show that the anisotropic biophysical microenvironment of linearly aligned tissues potentiates soluble factor-mediated tenogenic and myogenic differentiation of mesenchymal stem cells. The application of our method is demonstrated by (i) skeletal muscle arrays to screen therapeutic modulators of acute oxidative injury and (ii) a 3D microphysiological model of lung cancer cachexia to study inflammatory and oxidative muscle injury induced by tumor-derived signals.
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Affiliation(s)
- Mark J Mondrinos
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Farid Alisafaei
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Alex Y Yi
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Hossein Ahmadzadeh
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Insu Lee
- Department of Mechanical Engineering, Inha University, Incheon, Korea
| | - Cassidy Blundell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jeongyun Seo
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Matthew Osborn
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Tae-Joon Jeon
- Department of Biological Engineering, Inha University, Incheon, Korea
| | - Sun Min Kim
- Department of Mechanical Engineering, Inha University, Incheon, Korea
| | - Vivek B Shenoy
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
- NSF Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Dongeun Huh
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA.
- NSF Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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31
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Metabolic Alterations Caused by Defective Cardiolipin Remodeling in Inherited Cardiomyopathies. Life (Basel) 2020; 10:life10110277. [PMID: 33187128 PMCID: PMC7697959 DOI: 10.3390/life10110277] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 12/21/2022] Open
Abstract
The heart is the most energy-consuming organ in the human body. In heart failure, the homeostasis of energy supply and demand is endangered by an increase in cardiomyocyte workload, or by an insufficiency in energy-providing processes. Energy metabolism is directly associated with mitochondrial redox homeostasis. The production of toxic reactive oxygen species (ROS) may overwhelm mitochondrial and cellular ROS defense mechanisms in case of heart failure. Mitochondria are essential cell organelles and provide 95% of the required energy in the heart. Metabolic remodeling, changes in mitochondrial structure or function, and alterations in mitochondrial calcium signaling diminish mitochondrial energy provision in many forms of cardiomyopathy. The mitochondrial respiratory chain creates a proton gradient across the inner mitochondrial membrane, which couples respiration with oxidative phosphorylation and the preservation of energy in the chemical bonds of ATP. Akin to other mitochondrial enzymes, the respiratory chain is integrated into the inner mitochondrial membrane. The tight association with the mitochondrial phospholipid cardiolipin (CL) ensures its structural integrity and coordinates enzymatic activity. This review focuses on how changes in mitochondrial CL may be associated with heart failure. Dysfunctional CL has been found in diabetic cardiomyopathy, ischemia reperfusion injury and the aging heart. Barth syndrome (BTHS) is caused by an inherited defect in the biosynthesis of cardiolipin. Moreover, a dysfunctional CL pool causes other types of rare inherited cardiomyopathies, such as Sengers syndrome and Dilated Cardiomyopathy with Ataxia (DCMA). Here we review the impact of cardiolipin deficiency on mitochondrial functions in cellular and animal models. We describe the molecular mechanisms concerning mitochondrial dysfunction as an incitement of cardiomyopathy and discuss potential therapeutic strategies.
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32
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Huang YH, Yang CF, Hsu YH. Development of a cardiac-and-piezoelectric hybrid system for application in drug screening. LAB ON A CHIP 2020; 20:3423-3434. [PMID: 32785399 DOI: 10.1039/d0lc00433b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this paper, a cardiac-and-piezoelectric hybrid system is developed for drug screening. The core structure is a polyvinylidene-fluoride piezoelectric membrane that serves as a flexible structure to interact with hiPSC cardiomyocytes and that measures the contraction profile of cardiomyocytes. This design enables the capability of electrically monitoring cardiomyocytes without the aid of an optical system. To guide cardiomyocytes aligning on this circular piezoelectric membrane, concentric rings of polydimethylsiloxane microgrooves are bonded to its surface. Experimental results demonstrate that seeded cardiomyocytes can align and elongate along the circular microgrooves to form a concentric pattern. To promote cardiomyocyte maturation, bipolar stimulation is conducted using a pin and a ring electrode made of a 304 stainless steel sheet. Furthermore, to maintain body temperature and minimize environmental noise, a 304 stainless steel box is constructed to enclose the cardiac-and-piezoelectric hybrid platform. It serves as an incubator and is electrically grounded for electromagnetic interference shielding. Using this system, continuous and repeated contractions of cardiomyocytes can be developed and monitored electrically. The system performance is verified using two commercial drugs: isoproterenol and metoprolol. It is experimentally demonstrated that this system can monitor the dosage effect of both drugs. Our results also show that the measured EC50 and IC50 values of contraction frequency and amplitude are in the same range. These findings suggest that both drugs can influence the beat frequency and contraction force simultaneously. In summary, taking advantage of the electro-mechanical coupling effect of the piezoelectric membrane, this system could be scaled up to perform automatic and parallel screenings for drug discoveries.
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Affiliation(s)
- Yun-Han Huang
- Institute of Applied Mechanics, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan, R.O.C.
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33
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Maschmeyer I, Kakava S. Organ-on-a-Chip. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2020; 179:311-342. [PMID: 32948885 DOI: 10.1007/10_2020_135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Limitations of the current tools used in the drug development process, cell cultures, and animal models have highlighted the need for a new powerful tool that can emulate the human physiology in vitro. Advances in the field of microfluidics have made the realization of this tool closer than ever. Organ-on-a-chip platforms have been the first step forward, leading to the combination and integration of multiple organ models in the same platform with human-on-a-chip being the ultimate goal. Despite the current progress and technological developments, there are still several unmet engineering and biological challenges curtailing their development and widespread application in the biomedical field. The potentials, challenges, and current work on this unprecedented tool are being discussed in this chapter.
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Bertero E, Kutschka I, Maack C, Dudek J. Cardiolipin remodeling in Barth syndrome and other hereditary cardiomyopathies. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165803. [PMID: 32348916 DOI: 10.1016/j.bbadis.2020.165803] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/19/2019] [Accepted: 04/13/2020] [Indexed: 12/18/2022]
Abstract
Mitochondria play a prominent role in cardiac energy metabolism, and their function is critically dependent on the integrity of mitochondrial membranes. Disorders characterized by mitochondrial dysfunction are commonly associated with cardiac disease. The mitochondrial phospholipid cardiolipin directly interacts with a number of essential protein complexes in the mitochondrial membranes including the respiratory chain, mitochondrial metabolite carriers, and proteins critical for mitochondrial morphology. Barth syndrome is an X-linked disorder caused by an inherited defect in the biogenesis of the mitochondrial phospholipid cardiolipin. How cardiolipin deficiency impacts on mitochondrial function and how mitochondrial dysfunction causes cardiomyopathy has been intensively studied in cellular and animal models of Barth syndrome. These findings may also have implications for the molecular mechanisms underlying other inherited disorders associated with defects in cardiolipin, such as Sengers syndrome and dilated cardiomyopathy with ataxia (DCMA).
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Affiliation(s)
- Edoardo Bertero
- Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, 97078 Würzburg, Germany
| | - Ilona Kutschka
- Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, 97078 Würzburg, Germany
| | - Christoph Maack
- Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, 97078 Würzburg, Germany
| | - Jan Dudek
- Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, 97078 Würzburg, Germany.
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Wu Q, Liu J, Wang X, Feng L, Wu J, Zhu X, Wen W, Gong X. Organ-on-a-chip: recent breakthroughs and future prospects. Biomed Eng Online 2020; 19:9. [PMID: 32050989 PMCID: PMC7017614 DOI: 10.1186/s12938-020-0752-0] [Citation(s) in RCA: 326] [Impact Index Per Article: 81.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 02/05/2020] [Indexed: 12/14/2022] Open
Abstract
The organ-on-a-chip (OOAC) is in the list of top 10 emerging technologies and refers to a physiological organ biomimetic system built on a microfluidic chip. Through a combination of cell biology, engineering, and biomaterial technology, the microenvironment of the chip simulates that of the organ in terms of tissue interfaces and mechanical stimulation. This reflects the structural and functional characteristics of human tissue and can predict response to an array of stimuli including drug responses and environmental effects. OOAC has broad applications in precision medicine and biological defense strategies. Here, we introduce the concepts of OOAC and review its application to the construction of physiological models, drug development, and toxicology from the perspective of different organs. We further discuss existing challenges and provide future perspectives for its application.
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Affiliation(s)
- Qirui Wu
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Jinfeng Liu
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Xiaohong Wang
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Lingyan Feng
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Jinbo Wu
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Xiaoli Zhu
- School of Life Sciences, Shanghai University, Shanghai, 200444 China
| | - Weijia Wen
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
| | - Xiuqing Gong
- Materials Genome Institute, Shanghai University, Shanghai, 200444 China
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Yang CF, Hsu YH. Study of contraction profile of cardiomyocytes by using a piezoelectric membrane. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2020; 2019:6472-6475. [PMID: 31947324 DOI: 10.1109/embc.2019.8856649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In this paper, we report our study on using a piezoelectric membrane to measure the contraction profile of Human iPSC cardiomyocytes. To guide HiPSC cardiomyocytes aligned concentrically with respect to the circular-shape piezoelectric membrane, 20 μm polydimethylsiloxane micro-grooves with 20 μm separation are molded on top of the piezoelectric membrane to form multiple concentric rings. Gelatin or fibronectin is coated on the microgrooves for promoting cell adhesions. Using this method, repeated contractions can be measured by using the circular piezoelectric membrane, and the contraction profile can be monitored. To study the performance of the piezoelectric membrane, different dosage of commercial drugs are used, including Isoproterenol and Metoprolol. Experimental results demonstrated that the piezoelectric membrane can measure the contraction profile of cardiomyocytes. Cellular responses to different drugs and dosage can be monitored electrically.
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Zhao Y, Rafatian N, Wang EY, Wu Q, Lai BFL, Lu RX, Savoji H, Radisic M. Towards chamber specific heart-on-a-chip for drug testing applications. Adv Drug Deliv Rev 2020; 165-166:60-76. [PMID: 31917972 PMCID: PMC7338250 DOI: 10.1016/j.addr.2019.12.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 12/26/2019] [Accepted: 12/30/2019] [Indexed: 02/06/2023]
Abstract
Modeling of human organs has long been a task for scientists in order to lower the costs of therapeutic development and understand the pathological onset of human disease. For decades, despite marked differences in genetics and etiology, animal models remained the norm for drug discovery and disease modeling. Innovative biofabrication techniques have facilitated the development of organ-on-a-chip technology that has great potential to complement conventional animal models. However, human organ as a whole, more specifically the human heart, is difficult to regenerate in vitro, in terms of its chamber specific orientation and its electrical functional complexity. Recent progress with the development of induced pluripotent stem cell differentiation protocols, made recapitulating the complexity of the human heart possible through the generation of cells representative of atrial & ventricular tissue, the sinoatrial node, atrioventricular node and Purkinje fibers. Current heart-on-a-chip approaches incorporate biological, electrical, mechanical, and topographical cues to facilitate tissue maturation, therefore improving the predictive power for the chamber-specific therapeutic effects targeting adult human. In this review, we will give a summary of current advances in heart-on-a-chip technology and provide a comprehensive outlook on the challenges involved in the development of human physiologically relevant heart-on-a-chip.
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Affiliation(s)
- Yimu Zhao
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Naimeh Rafatian
- Division of Cardiology and Peter Munk Cardiac Center, University of Health Network, Toronto, Ontario M5G 2N2, Canada
| | - Erika Yan Wang
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Qinghua Wu
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Benjamin F L Lai
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Rick Xingze Lu
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Houman Savoji
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Milica Radisic
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Toronto General Research Institute, Toronto, Ontario M5G 2C4, Canada.
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Li XP, Qu KY, Zhang F, Jiang HN, Zhang N, Nihad C, Liu CM, Wu KH, Wang XW, Huang NP. High-aspect-ratio water-dispersed gold nanowires incorporated within gelatin methacrylate hydrogels for constructing cardiac tissues in vitro. J Mater Chem B 2020; 8:7213-7224. [DOI: 10.1039/d0tb00768d] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The prepared high-aspect-ratio water-dispersed gold nanowires are incorporated into GeIMA hydrogels for cardiomyocyte culture and micro-cardiac tissue formation.
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Kızılkurtlu AA, Polat T, Aydın GB, Akpek A. Lung on a Chip for Drug Screening and Design. Curr Pharm Des 2019; 24:5386-5396. [PMID: 30734673 DOI: 10.2174/1381612825666190208122204] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/02/2019] [Indexed: 12/23/2022]
Abstract
Lung-on-a-chip is a micro device that combines the techniques of bioengineering, microbiology, polymer science and microfluidics disciplines in order to mimic physicochemical features and microenvironments, multicellular constructions, cell-cell interfaces of a human lung. Specifically, most novel lung on a chip designs consist of two micro-channeled outer parts, flexible and porous Polydimethylsiloxane (PDMS) membrane to create separation of air-blood chamber and subsidiary vacuum channels which enable stretching of the PDMS membrane to mimic movement mechanisms of the lung. Therefore, studies aim to emulate both tissue and organ functionality since it shall be creating great potential for advancing the studies about drug discovery, disease etiology and organ physiology compared with 2D (two dimensional) and 3D (three dimensional) cell culture models and current organoids. In this study, history of researches on lung anatomy and physiology, techniques of recreating lung functionality such as cell cultures in 2D and 3D models, organoids were covered and finally most advanced and recent state of the art technology product lung-on-a-chips' construction steps, advantages compared with other techniques, usage in lung modeling and diseases, present and future offers were analyzed in detail.
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Affiliation(s)
| | - Tuğçe Polat
- Department of Bioengineering, Gebze Technical University, 41400, Kocaeli, Turkey
| | - Gül Banu Aydın
- Department of Bioengineering, Gebze Technical University, 41400, Kocaeli, Turkey
| | - Ali Akpek
- Department of Bioengineering, Gebze Technical University, 41400, Kocaeli, Turkey.,Sabanci University Nanotechnology Research and Application Center, Sabancı University, 34956 Tuzla Istanbul, Turkey
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Sidar B, Jenkins BR, Huang S, Spence JR, Walk ST, Wilking JN. Long-term flow through human intestinal organoids with the gut organoid flow chip (GOFlowChip). LAB ON A CHIP 2019; 19:3552-3562. [PMID: 31556415 PMCID: PMC8327675 DOI: 10.1039/c9lc00653b] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Human intestinal organoids (HIOs) are millimeter-scale models of the human intestinal epithelium and hold tremendous potential for advancing fundamental and applied biomedical research. HIOs resemble the native gut in that they consist of a fluid-filled lumen surrounded by a polarized epithelium and associated mesenchyme; however, their topologically-closed, spherical shape prevents flow through the interior luminal space, making the system less physiological and leading to the buildup of cellular and metabolic waste. These factors ultimately limit experimentation inside the HIOs. Here, we present a millifluidic device called the gut organoid flow chip (GOFlowChip), which we use to "port" HIOs and establish steady-state liquid flow through the lumen for multiple days. This long-term flow is enabled by the use of laser-cut silicone gaskets, which allow liquid in the device to be slightly pressurized, suppressing bubble formation. To demonstrate the utility of the device, we establish separate luminal and extraluminal flow and use luminal flow to remove accumulated waste. This represents the first demonstration of established liquid flow through the luminal space of a gastrointestinal organoid over physiologically relevant time scales. Flow cytometry results reveal that HIO cell viability is unaffected by long-term porting and luminal flow. We expect the real-time, long-term control over luminal and extraluminal contents provided by the GOFlowChip will enable a wide variety of studies including intestinal secretion, absorption, transport, and co-culture with intestinal microorganisms.
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Affiliation(s)
- Barkan Sidar
- Department of Chemical and Biological Engineering, Montana State University, Bozeman, MT, USA.
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Yi N, Cui H, Zhang LG, Cheng H. Integration of biological systems with electronic-mechanical assemblies. Acta Biomater 2019; 95:91-111. [PMID: 31004844 PMCID: PMC6710161 DOI: 10.1016/j.actbio.2019.04.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 04/10/2019] [Accepted: 04/11/2019] [Indexed: 02/06/2023]
Abstract
Biological systems continuously interact with the surrounding environment because they are dynamically evolving. The interaction is achieved through mechanical, electrical, chemical, biological, thermal, optical, or a synergistic combination of these cues. To provide a fundamental understanding of the interaction, recent efforts that integrate biological systems with the electronic-mechanical assemblies create unique opportunities for simultaneous monitoring and eliciting the responses to the biological system. Recent innovations in materials, fabrication processes, and device integration approaches have created the enablers to yield bio-integrated devices to interface with the biological system, ranging from cells and tissues to organs and living individual. In this short review, we will provide a brief overview of the recent development on the integration of the biological systems with electronic-mechanical assemblies across multiple scales, with applications ranging from healthcare monitoring to therapeutic options such as drug delivery and rehabilitation therapies. STATEMENT OF SIGNIFICANCE: An overview of the recent progress on the integration of the biological system with both electronic and mechanical assemblies is discussed. The integration creates the unique opportunity to simultaneously monitor and elicit the responses to the biological system, which provides a fundamental understanding of the interaction between the biological system and the electronic-mechanical assemblies. Recent innovations in materials, fabrication processes, and device integration approaches have created the enablers to yield bio-integrated devices to interface with the biological system, ranging from cells and tissues to organs and living individual.
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Affiliation(s)
- Ning Yi
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Haitao Cui
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA
| | - Lijie Grace Zhang
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052, USA; Departments of Electrical and Computer Engineering, Biomedical Engineering, and Medicine, The George Washington University, Washington DC 20052, USA
| | - Huanyu Cheng
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Department of Engineering Science and Mechanics, and Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA.
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Guth BD, Engwall M, Eldridge S, Foley CM, Guo L, Gintant G, Koerner J, Parish ST, Pierson JB, Ribeiro AJS, Zabka T, Chaudhary KW, Kanda Y, Berridge B. Considerations for an In Vitro, Cell-Based Testing Platform for Detection of Adverse Drug-Induced Inotropic Effects in Early Drug Development. Part 1: General Considerations for Development of Novel Testing Platforms. Front Pharmacol 2019; 10:884. [PMID: 31447679 PMCID: PMC6697071 DOI: 10.3389/fphar.2019.00884] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 07/15/2019] [Indexed: 01/10/2023] Open
Abstract
Drug-induced effects on cardiac contractility can be assessed through the measurement of the maximal rate of pressure increase in the left ventricle (LVdP/dtmax) in conscious animals, and such studies are often conducted at the late stage of preclinical drug development. Detection of such effects earlier in drug research using simpler, in vitro test systems would be a valuable addition to our strategies for identifying the best possible drug development candidates. Thus, testing platforms with reasonably high throughput, and affordable costs would be helpful for early screening purposes. There may also be utility for testing platforms that provide mechanistic information about how a given drug affects cardiac contractility. Finally, there could be in vitro testing platforms that could ultimately contribute to the regulatory safety package of a new drug. The characteristics needed for a successful cell or tissue-based testing platform for cardiac contractility will be dictated by its intended use. In this article, general considerations are presented with the intent of guiding the development of new testing platforms that will find utility in drug research and development. In the following article (part 2), specific aspects of using human-induced stem cell-derived cardiomyocytes for this purpose are addressed.
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Affiliation(s)
- Brian D Guth
- Department of Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co KG, Biberach an der Riss, Germany.,PreClinical Drug Development Platform (PCDDP), North-West University, Potchefstroom, South Africa
| | - Michael Engwall
- Safety Pharmacology and Animal Research Center, Amgen Research, Thousand Oaks, CA, United States
| | - Sandy Eldridge
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - C Michael Foley
- Department of Integrative Pharmacology, Integrated Sciences and Technology, AbbVie, North Chicago, IL, United States
| | - Liang Guo
- Laboratory of Investigative Toxicology, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research, Inc., Frederick, MD, United States
| | - Gary Gintant
- Department of Integrative Pharmacology, Integrated Sciences and Technology, AbbVie, North Chicago, IL, United States
| | - John Koerner
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Stanley T Parish
- Health and Environmental Sciences Institute, Washington, DC, United States
| | - Jennifer B Pierson
- Health and Environmental Sciences Institute, Washington, DC, United States
| | - Alexandre J S Ribeiro
- Division of Applied Regulatory Science, Office of Clinical Pharmacology, Office of Translation Sciences, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Tanja Zabka
- Department of Safety Assessment, Genentech, South San Francisco, CA, United States
| | - Khuram W Chaudhary
- Global Safety Pharmacology, GlaxoSmithKline plc, Collegeville, PA, United States
| | - Yasunari Kanda
- Division of Pharmacology, National Institute of Health Sciences, Kanagawa, Japan
| | - Brian Berridge
- National Toxicology Program, National Institute of Environmental Health Sciences, Durham, NC, United States
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Sakthivel K, O'Brien A, Kim K, Hoorfar M. Microfluidic analysis of heterotypic cellular interactions: A review of techniques and applications. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.03.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Schroer A, Pardon G, Castillo E, Blair C, Pruitt B. Engineering hiPSC cardiomyocyte in vitro model systems for functional and structural assessment. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2019; 144:3-15. [PMID: 30579630 PMCID: PMC6919215 DOI: 10.1016/j.pbiomolbio.2018.12.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 09/24/2018] [Accepted: 12/04/2018] [Indexed: 02/06/2023]
Abstract
The study of human cardiomyopathies and the development and testing of new therapies has long been limited by the availability of appropriate in vitro model systems. Cardiomyocytes are highly specialized cells whose internal structure and contractile function are sensitive to the local microenvironment and the combination of mechanical and biochemical cues they receive. The complementary technologies of human induced pluripotent stem cell (hiPSC) derived cardiomyocytes (CMs) and microphysiological systems (MPS) allow for precise control of the genetics and microenvironment of human cells in in vitro contexts. These combined systems also enable quantitative measurement of mechanical function and intracellular organization. This review describes relevant factors in the myocardium microenvironment that affect CM structure and mechanical function and demonstrates the application of several engineered microphysiological systems for studying development, disease, and drug discovery.
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Affiliation(s)
- Alison Schroer
- Departments of Mechanical Engineering and Bioengineering, Stanford University, Stanford, CA, 94305, USA.
| | - Gaspard Pardon
- Departments of Mechanical Engineering and Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Erica Castillo
- Departments of Mechanical Engineering and Bioengineering, Stanford University, Stanford, CA, 94305, USA; Department of Mechanical Engineering, University of California at Santa Barbara, USA
| | - Cheavar Blair
- Departments of Mechanical Engineering and Bioengineering, Stanford University, Stanford, CA, 94305, USA; Department of Mechanical Engineering, University of California at Santa Barbara, USA
| | - Beth Pruitt
- Departments of Mechanical Engineering and Bioengineering, Stanford University, Stanford, CA, 94305, USA; Department of Mechanical Engineering, University of California at Santa Barbara, USA
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Veldhuizen J, Migrino RQ, Nikkhah M. Three-dimensional microengineered models of human cardiac diseases. J Biol Eng 2019; 13:29. [PMID: 30988697 PMCID: PMC6448321 DOI: 10.1186/s13036-019-0155-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 03/13/2019] [Indexed: 01/17/2023] Open
Abstract
In vitro three-dimensional (3D) microengineered tissue models have been the recent focus of pathophysiological studies, particularly in the field of cardiovascular research. These models, as classified by 3D biomimetic tissues within micrometer-scale platforms, enable precise environmental control on the molecular- and cellular-levels to elucidate biological mechanisms of disease progression and enhance efficacy of therapeutic research. Microengineered models also incorporate directed stem cell differentiation and genome modification techniques that warrant derivation of patient-specific and genetically-edited human cardiac cells for precise recapitulation of diseased tissues. Additionally, integration of added functionalities and/or structures into these models serves to enhance the capability to further extract disease-specific phenotypic, genotypic, and electrophysiological information. This review highlights the recent progress in the development of in vitro 3D microengineered models for study of cardiac-related diseases (denoted as CDs). We will primarily provide a brief overview on currently available 2D assays and animal models for studying of CDs. We will further expand our discussion towards currently available 3D microengineered cardiac tissue models and their implementation for study of specific disease conditions.
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Affiliation(s)
- Jaimeson Veldhuizen
- School of Biological and Health Systems Engineering (SBHSE), Arizona State University, 501 E Tyler Mall Building ECG, Suite 334, Tempe, AZ 85287-9709 USA
| | | | - Mehdi Nikkhah
- School of Biological and Health Systems Engineering (SBHSE), Arizona State University, 501 E Tyler Mall Building ECG, Suite 334, Tempe, AZ 85287-9709 USA
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Zakhem E, Raghavan S, Suhar RA, Bitar KN. Bioengineering and regeneration of gastrointestinal tissue: where are we now and what comes next? Expert Opin Biol Ther 2019; 19:527-537. [PMID: 30880502 DOI: 10.1080/14712598.2019.1595579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
INTRODUCTION The field of tissue engineering and regenerative medicine has been applied to the gastrointestinal (GI) tract for a couple decades. Several achievements have been accomplished that provide promising tools for treating diseases of the GI tract. AREAS COVERED The work described in this review covers the traditional aspect of using cells and scaffolds to replace parts of the tract. Several studies investigated different types of biomaterials and different types of cells. A more recent approach involved the use of gut-derived organoid units that can differentiate into all gut cell layers. The most recent approach introduced the use of organ-on-a-chip concept to understand the physiology and pathophysiology of the GI system. EXPERT OPINION The different approaches tackle the diseases of the GI tract from different perspectives. While all these different approaches provide a promising and encouraging future for this field, the translational aspect is yet to be studied.
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Affiliation(s)
- Elie Zakhem
- a Wake Forest Institute for Regenerative Medicine , Wake Forest School of Medicine , Winston Salem , NC , USA.,b Section on Gastroenterology , Wake Forest School of Medicine , Winston Salem , NC , USA
| | - Shreya Raghavan
- c Department of Materials Science and Engineering , University of Michigan , Ann Arbor , MI , USA
| | - Riley A Suhar
- d Department of Materials Science and Engineering , Stanford University , Stanford , CA , USA
| | - Khalil N Bitar
- a Wake Forest Institute for Regenerative Medicine , Wake Forest School of Medicine , Winston Salem , NC , USA.,b Section on Gastroenterology , Wake Forest School of Medicine , Winston Salem , NC , USA.,e Virginia Tech-Wake Forest School of Biomedical Engineering Sciences , Winston-Salem , NC , USA
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Ng NL, Tuet WY, Chen Y, Fok S, Gao D, Tagle Rodriguez MS, Klein M, Grosberg A, Weber RJ, Champion JA. Cellular and Acellular Assays for Measuring Oxidative Stress Induced by Ambient and Laboratory-Generated Aerosols. Res Rep Health Eff Inst 2019; 2019:1-57. [PMID: 31872749 PMCID: PMC7266377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023] Open
Abstract
INTRODUCTION Many studies have established associations between exposure to air pollution, or atmospheric particulate matter (PM), and adverse health effects. An increasing array of studies have suggested oxidative stress as a possible mechanism by which PM-induced health effects arise, and as a result, many chemical and cellular assays have been developed to study PM-induced oxidant production. Although significant progress has been made in recent years, there are still many gaps in this area of research that have not been addressed. Many prior studies have focused on the aerosol of primary origin (e.g., the aerosol emitted from combustion engines) although the aerosol formed from the oxidation of volatile species, secondary organic aerosol (SOA), has been shown to be the predominant type of aerosol even in urban areas. Current SOA health studies are limited in number, and as such, the health effects of SOA are poorly characterized. Also, there is a lack of perspective in terms of the relative toxicities of different SOA systems. Additionally, although chemical assays have identified some SOA constituents associated with adverse health endpoints, the applicability of these results to cellular responses has not been well established. SPECIFIC AIMS The overall objective of this study was to better understand the oxidative properties of different types and components of PM mixtures (especially SOA) through systematic laboratory chamber experiments and ambient field studies. The study had four specific aims. 1 To develop a cellular assay optimized for measuring reactive oxygen and nitrogen species (ROS/RNS) production resulting from PM exposure and to identify a robust parameter that could represent ROS/RNS levels for comparison with different endpoints. 2 To identify ambient PM components associated with ROS/RNS production and evaluate whether results from chemical assays represented cellular responses in terms of ROS/RNS production. 3 To investigate and provide perspective on the relative toxicities of SOA formed from common biogenic and anthropogenic precursors under different conditions (e.g., humidity, nitrogen oxides [NOx], and redox-active metals) and identify bulk aerosol properties associated with cellular responses. 4 To investigate the effects of photochemical aging on aerosol toxicity. METHODS Ambient PM samples were collected from urban and rural sites in the greater Atlanta area as part of the Southeastern Center for Air Pollution and Epidemiology (SCAPE) study between June 2012 and October 2013. The concentrations of water-soluble species (e.g., water-soluble organic carbon [WSOC], brown carbon [Br C], and metals) were characterized using a variety of instruments. Samples for this study were chosen to span the observed range of dithiothreitol (DTT) activities. Laboratory studies were conducted in the Georgia Tech Environmental Chamber (GTEC) facility in order to generate SOA under well-controlled photooxidation conditions. Precursors of biogenic origin (isoprene, α-pinene, and β-caryophyllene) and anthropogenic origin (pentadecane, m-xylene, and naphthalene) were oxidized under various formation conditions (dry vs. humid, NOx, and ammonium sulfate vs. iron sulfate seed particles) to produce SOA of differing chemical composition and mass loading. For the naphthalene system, a series of experiments were conducted with different initial hydrocarbon concentrations to produce aerosols with various degree of oxidation. A suite of instruments was utilized to monitor gas- and particle-phase species. Bulk aerosol properties (e.g., O:C, H:C, and N:C ratios) were measured using a high-resolution time-of-flight aerosol mass spectrometer. Filter samples were collected for chemical oxidative potential and cellular measurements. For the naphthalene system, multiple filter samples were collected over the course of a single experiment to collect aerosols of different photochemical aging. For all filter samples, chemical oxidative potentials were determined for water-soluble extracts using a semiautomated DTT assay system. Murine alveolar macrophages and neonatal rat ventricular myocytes were also exposed to PM samples extracted in cell culture medium to investigate cellular responses. ROS/RNS production was detected using the intracellular ROS/RNS probe, carboxy-2',7'-dichlorodihydrofluorescein diacetate (carboxy-H2DCFA), whereas cellular metabolic activity was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT). Finally, cytokine production, that is, secreted levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), were measured post-exposure using an enzyme-linked immunosorbent assay (ELISA). To identify PM constituents associated with oxidative properties, linear regressions between oxidative properties (cellular responses or DTT activity) and aerosol composition (metals, elemental ratios, etc.) were evaluated using Pearson's correlation coefficient, where the significance was determined using multiple imputation and evaluated using a 95% confidence interval. RESULTS We optimized several parameters for the ROS/RNS assay, including cell density (2 × 104 cells/well for macrophages and 3.33 × 104 cells/well for cardiomyocytes), probe concentration (10 µM), and sample incubation time (24 hours). Results from both ambient and laboratory-generated aerosols demonstrate that ROS/RNS production was highly dose-dependent and nonlinear with respect to PM dose. Of the dose-response metrics investigated in this study (maximum response, dose at which the response is 10% above the baseline [threshold], dose at which 50% of the response is attained [EC50], rate at which the maximum response is attained [Hill slope], and area under the dose-response curve [AUC]), we found that the AUC was the most robust parameter whose informativeness did not depend on dose range. A positive, significant correlation was observed between ROS/RNS production as represented by AUC and chemical oxidative potential as measured by DTT for ambient samples collected in summer. Conversely, a relatively constant AUC was observed for ambient samples collected in winter regardless of the corresponding DTT activity. We also identified several PM constituents (WSOC, BrC, iron, and titanium) that were significantly correlated with AUC for summer samples. The strong correlation between organic species and ROS/RNS production highlights a need to understand the contribution of organic aerosols to PM-induced health effects. No significant correlations were observed for other ROS/RNS metrics or PM constituents, and no spatial trends were observed. For laboratory-generated aerosol, precursor identity influenced oxidative potentials significantly, with isoprene and naphthalene SOA having the lowest and highest DTT activities, respectively. Both precursor identity and formation condition significantly influenced inflammatory responses induced by SOA exposure, and several response patterns were identified for SOA precursors whose photooxidation products share similar carbon-chain length and functionalities. The presence of iron sulfate seed particles did not have an apparent effect on oxidative potentials; however, a higher level of ROS/RNS production was observed for all SOA formed in the presence of iron sulfate compared with ammonium sulfate. We also identified a significant positive correlation between ROS/RNS production and average carbon oxidation state, a bulk aerosol property. It may therefore be possible to roughly estimate ROS/RNS production using this property, which is readily obtainable. This correlation may have significant implications as aerosols have an atmospheric lifetime of a week, during which average carbon oxidation state increases because of atmospheric photochemical aging. Our results suggest that aerosols might become more toxic as they age in the atmosphere. Finally, in the context of ambient samples, laboratory-generated SOA induced comparable or higher levels of ROS/RNS. Oxidative potentials for all laboratory SOA systems, with the exception of naphthalene (which was higher), were all comparable with oxidative potentials observed in ambient samples.
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Affiliation(s)
- N L Ng
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA
| | - W Y Tuet
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA
| | - Y Chen
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA
| | - S Fok
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA
| | - D Gao
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA
| | - M S Tagle Rodriguez
- Department of Biomedical Engineering, University of California-Irvine, Irvine, CA
| | - M Klein
- Rollins School of Public Health, Emory University, Atlanta, GA
| | - A Grosberg
- Department of Biomedical Engineering, University of California-Irvine, Irvine, CA
| | - R J Weber
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA
| | - J A Champion
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA
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Zeglinski MR, Moghadam AR, Ande SR, Sheikholeslami K, Mokarram P, Sepehri Z, Rokni H, Mohtaram NK, Poorebrahim M, Masoom A, Toback M, Sareen N, Saravanan S, Jassal DS, Hashemi M, Marzban H, Schaafsma D, Singal P, Wigle JT, Czubryt MP, Akbari M, Dixon IM, Ghavami S, Gordon JW, Dhingra S. Myocardial Cell Signaling During the Transition to Heart Failure. Compr Physiol 2018; 9:75-125. [DOI: 10.1002/cphy.c170053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
Microfluidics has played a vital role in developing novel methods to investigate biological phenomena at the molecular and cellular level during the last two decades. Microscale engineering of cellular systems is nevertheless a nascent field marked inherently by frequent disruptive advancements in technology such as PDMS-based soft lithography. Viable culture and manipulation of cells in microfluidic devices requires knowledge across multiple disciplines including molecular and cellular biology, chemistry, physics, and engineering. There has been numerous excellent reviews in the past 15 years on applications of microfluidics for molecular and cellular biology including microfluidic cell culture (Berthier et al., 2012; El-Ali, Sorger, & Jensen, 2006; Halldorsson et al., 2015; Kim et al., 2007; Mehling & Tay, 2014; Sackmann et al., 2014; Whitesides, 2006; Young & Beebe, 2010), cell culture models (Gupta et al., 2016; Inamdar & Borenstein, 2011; Meyvantsson & Beebe, 2008), cell secretion (Schrell et al., 2016), chemotaxis (Kim & Wu, 2012; Wu et al., 2013), neuron culture (Millet & Gillette, 2012a, 2012b), drug screening (Dittrich & Manz, 2006; Eribol, Uguz, & Ulgen, 2016; Wu, Huang, & Lee, 2010), cell sorting (Autebert et al., 2012; Bhagat et al., 2010; Gossett et al., 2010; Wyatt Shields Iv, Reyes, & López, 2015), single cell studies (Lecault et al., 2012; Reece et al., 2016; Yin & Marshall, 2012), stem cell biology (Burdick & Vunjak-Novakovic, 2009; Wu et al., 2011; Zhang & Austin, 2012), cell differentiation (Zhang et al., 2017a), systems biology (Breslauer, Lee, & Lee, 2006), 3D cell culture (Huh et al., 2011; Li et al., 2012; van Duinen et al., 2015), spheroids and organoids (Lee et al., 2016; Montanez-Sauri, Beebe, & Sung, 2015; Morimoto & Takeuchi, 2013; Skardal et al., 2016; Young, 2013), organ-on-chip (Bhatia & Ingber, 2014; Esch, Bahinski, & Huh, 2015; Huh et al., 2011; van der Meer & van den Berg, 2012), and tissue engineering (Andersson & Van Den Berg, 2004; Choi et al., 2007; Hasan et al., 2014). In this chapter, we provide an overview of PDMS-based microdevices for microfluidic cell culture. We discuss the advantages and challenges of using PDMS-based soft lithography for microfluidic cell culture and highlight recent progress and future directions in this area.
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Affiliation(s)
- Melikhan Tanyeri
- Biomedical Engineering Program, Duquesne University, Pittsburgh, PA, United States
| | - Savaş Tay
- Institute of Molecular Engineering, University of Chicago, Chicago, IL, United States; Institute of Genomics and Systems Biology, University of Chicago, Chicago, IL, United States.
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