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Pan J, Wang X, Chiang CL, Ma Y, Cheng J, Bertani P, Lu W, Lee LJ. Joule heating and electroosmotic flow in cellular micro/nano electroporation. LAB ON A CHIP 2024; 24:819-831. [PMID: 38235543 DOI: 10.1039/d3lc00568b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Localized micro/nano-electroporation (MEP/NEP) shows tremendous potential in cell transfection with high cell viability, precise dose control, and good transfection efficacy. In MEP/NEP, micro or nanochannels are used to tailor the electric field distribution. Cells are positioned tightly by a micron or nanochannel, and the cargoes are delivered into the cell via the channel by electrophoresis (EP). Such confined geometries with micro and nanochannels are also widely used in sorting, isolation, and condensing of biomolecules and cells. Theoretical studies on the electrokinetic phenomena in these applications have been well established. However, for MEP/NEP applications, electrokinetic phenomena and their impact on the cell transfection efficiency and cell survival rate have not been studied comprehensively. In this work, we reveal the coupling between electric field, Joule heating, electroosmosis (EO), and EP in MEP/NEP at different channel sizes. A microfluidic biochip is used to investigate the electrokinetic phenomena in MEP/NEP on a single cell level. Bubble formation is observed at a threshold voltage due to Joule heating. The bubble is pushed to the cargo side due to EO and grows at the outlet of the nanochannel. As the voltage increases, the cargo transport efficiency decreases due to more intense EO, particularly for plasmid DNAs (3.5 kbp) with a low EP mobility. An 'electroporation zone' is defined for NEP/MEP systems with different channel sizes to avoid bubble formation and excessive EO velocity that may reduce the cargo delivery efficiency.
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Affiliation(s)
- Junjie Pan
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - Xinyu Wang
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - Chi-Ling Chiang
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - Yifan Ma
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio 43210, USA
| | - Junao Cheng
- Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - Paul Bertani
- Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - Wu Lu
- Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
| | - L James Lee
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, USA.
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2
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Lu B, Lim JM, Yu B, Song S, Neeli P, Sobhani N, K P, Bonam SR, Kurapati R, Zheng J, Chai D. The next-generation DNA vaccine platforms and delivery systems: advances, challenges and prospects. Front Immunol 2024; 15:1332939. [PMID: 38361919 PMCID: PMC10867258 DOI: 10.3389/fimmu.2024.1332939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/17/2024] [Indexed: 02/17/2024] Open
Abstract
Vaccines have proven effective in the treatment and prevention of numerous diseases. However, traditional attenuated and inactivated vaccines suffer from certain drawbacks such as complex preparation, limited efficacy, potential risks and others. These limitations restrict their widespread use, especially in the face of an increasingly diverse range of diseases. With the ongoing advancements in genetic engineering vaccines, DNA vaccines have emerged as a highly promising approach in the treatment of both genetic diseases and acquired diseases. While several DNA vaccines have demonstrated substantial success in animal models of diseases, certain challenges need to be addressed before application in human subjects. The primary obstacle lies in the absence of an optimal delivery system, which significantly hampers the immunogenicity of DNA vaccines. We conduct a comprehensive analysis of the current status and limitations of DNA vaccines by focusing on both viral and non-viral DNA delivery systems, as they play crucial roles in the exploration of novel DNA vaccines. We provide an evaluation of their strengths and weaknesses based on our critical assessment. Additionally, the review summarizes the most recent advancements and breakthroughs in pre-clinical and clinical studies, highlighting the need for further clinical trials in this rapidly evolving field.
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Affiliation(s)
- Bowen Lu
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jing Ming Lim
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Boyue Yu
- Department of Environmental Science, Policy, and Management, University of California at Berkeley, Berkeley, CA, United States
| | - Siyuan Song
- Department of Neuroscience, Baylor College of Medicine, Houston, TX, United States
| | - Praveen Neeli
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Navid Sobhani
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Pavithra K
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, India
| | - Srinivasa Reddy Bonam
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
| | - Rajendra Kurapati
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, India
| | - Junnian Zheng
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Dafei Chai
- Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, Jiangsu, China
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
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Dos-Reis-Delgado AA, Carmona-Dominguez A, Sosa-Avalos G, Jimenez-Saaib IH, Villegas-Cantu KE, Gallo-Villanueva RC, Perez-Gonzalez VH. Recent advances and challenges in temperature monitoring and control in microfluidic devices. Electrophoresis 2023; 44:268-297. [PMID: 36205631 PMCID: PMC10092670 DOI: 10.1002/elps.202200162] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/22/2022] [Accepted: 10/03/2022] [Indexed: 11/07/2022]
Abstract
Temperature is a critical-yet sometimes overlooked-parameter in microfluidics. Microfluidic devices can experience heating inside their channels during operation due to underlying physicochemical phenomena occurring therein. Such heating, whether required or not, must be monitored to ensure adequate device operation. Therefore, different techniques have been developed to measure and control temperature in microfluidic devices. In this contribution, the operating principles and applications of these techniques are reviewed. Temperature-monitoring instruments revised herein include thermocouples, thermistors, and custom-built temperature sensors. Of these, thermocouples exhibit the widest operating range; thermistors feature the highest accuracy; and custom-built temperature sensors demonstrate the best transduction. On the other hand, temperature control methods can be classified as external- or integrated-methods. Within the external methods, microheaters are shown to be the most adequate when working with biological samples, whereas Peltier elements are most useful in applications that require the development of temperature gradients. In contrast, integrated methods are based on chemical and physical properties, structural arrangements, which are characterized by their low fabrication cost and a wide range of applications. The potential integration of these platforms with the Internet of Things technology is discussed as a potential new trend in the field.
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Affiliation(s)
| | | | - Gerardo Sosa-Avalos
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey, Nuevo, León, Mexico
| | - Ivan H Jimenez-Saaib
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey, Nuevo, León, Mexico
| | - Karen E Villegas-Cantu
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey, Nuevo, León, Mexico
| | | | - Víctor H Perez-Gonzalez
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey, Nuevo, León, Mexico
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4
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Potočnik T, Maček Lebar A, Kos Š, Reberšek M, Pirc E, Serša G, Miklavčič D. Effect of Experimental Electrical and Biological Parameters on Gene Transfer by Electroporation: A Systematic Review and Meta-Analysis. Pharmaceutics 2022; 14:pharmaceutics14122700. [PMID: 36559197 PMCID: PMC9786189 DOI: 10.3390/pharmaceutics14122700] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
The exact mechanisms of nucleic acid (NA) delivery with gene electrotransfer (GET) are still unknown, which represents a limitation for its broader use. Further, not knowing the effects that different experimental electrical and biological parameters have on GET additionally hinders GET optimization, resulting in the majority of research being performed using a trial-and-error approach. To explore the current state of knowledge, we conducted a systematic literature review of GET papers in in vitro conditions and performed meta-analyses of the reported GET efficiency. For now, there is no universal GET strategy that would be appropriate for all experimental aims. Apart from the availability of the required electroporation device and electrodes, the choice of an optimal GET approach depends on parameters such as the electroporation medium; type and origin of cells; and the size, concentration, promoter, and type of the NA to be transfected. Equally important are appropriate controls and the measurement or evaluation of the output pulses to allow a fair and unbiased evaluation of the experimental results. Since many experimental electrical and biological parameters can affect GET, it is important that all used parameters are adequately reported to enable the comparison of results, as well as potentially faster and more efficient experiment planning and optimization.
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Affiliation(s)
- Tjaša Potočnik
- Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia
| | - Alenka Maček Lebar
- Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia
| | - Špela Kos
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloška cesta 2, 1000 Ljubljana, Slovenia
| | - Matej Reberšek
- Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia
| | - Eva Pirc
- Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia
| | - Gregor Serša
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloška cesta 2, 1000 Ljubljana, Slovenia
| | - Damijan Miklavčič
- Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, 1000 Ljubljana, Slovenia
- Correspondence:
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5
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Rodriguez Osuna IA, Cobelli P, Olaiz N. Bubble Formation in Pulsed Electric Field Technology May Pose Limitations. MICROMACHINES 2022; 13:1234. [PMID: 36014157 PMCID: PMC9414362 DOI: 10.3390/mi13081234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/07/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Currently, increasing amounts of pulsed electric fields (PEF) are employed to improve a person's life quality. This technology is based on the application of the shortest high voltage electrical pulse, which generates an increment over the cell membrane permeability. When applying these pulses, an unwanted effect is electrolysis, which could alter the treatment. This work focused on the study of the local variations of the electric field and current density around the bubbles formed by the electrolysis of water by PEF technology and how these variations alter the electroporation protocol. The assays, in the present work, were carried out at 2 KV/cm, 1.2 KV/cm and 0.6 KV/cm in water, adjusting the conductivity with NaCl at 2365 μs/cm with a single pulse of 800 μs. The measurements of the bubble diameter variations due to electrolysis as a function of time allowed us to develop an experimental model of the behavior of the bubble diameter vs. time, which was used for simulation purposes. In the in silico model, we calculated that the electric field and observed an increment of current density around the bubble can be up to four times the base value due to the edge effect around it, while the thermal effects were undesirable due to the short duration of the pulses (variations of ±0.1 °C are undesirable). This research revealed that the rise of electric current is not just because of the shift in electrical conductivity due to chemical and thermal effects, but also varies with the bubble coverage over the electrode surface and variations in the local electric field by edge effect. All these variations can conduce to unwanted limitations over PEF treatment. In the future, we recommend tests on the variation of local current conductivity and electric fields.
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Affiliation(s)
- Isaac Aaron Rodriguez Osuna
- Laboratorio de Sistemas Complejos, Departamento de Computación, Instituto de Física del Plasma, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina;
| | - Pablo Cobelli
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina;
- Instituto de Física de Buenos Aires, CONICET,
Ciudad Universitaria, Buenos Aires 1428, Argentina
| | - Nahuel Olaiz
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina;
- Instituto de Física de Buenos Aires, CONICET,
Ciudad Universitaria, Buenos Aires 1428, Argentina
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6
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Abstract
Electroporation (EP) is a commonly used strategy to increase cell permeability for intracellular cargo delivery or irreversible cell membrane disruption using electric fields. In recent years, EP performance has been improved by shrinking electrodes and device structures to the microscale. Integration with microfluidics has led to the design of devices performing static EP, where cells are fixed in a defined region, or continuous EP, where cells constantly pass through the device. Each device type performs superior to conventional, macroscale EP devices while providing additional advantages in precision manipulation (static EP) and increased throughput (continuous EP). Microscale EP is gentle on cells and has enabled more sensitive assaying of cells with novel applications. In this Review, we present the physical principles of microscale EP devices and examine design trends in recent years. In addition, we discuss the use of reversible and irreversible EP in the development of therapeutics and analysis of intracellular contents, among other noteworthy applications. This Review aims to inform and encourage scientists and engineers to expand the use of efficient and versatile microscale EP technologies.
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Affiliation(s)
- Sung-Eun Choi
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Harrison Khoo
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Soojung Claire Hur
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Department of Oncology, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, 401 North Broadway, Baltimore, Maryland 21231, United States
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7
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Wang F, Lin S, Yu Z, Wang Y, Zhang D, Cao C, Wang Z, Cui D, Chen D. Recent advances in microfluidic-based electroporation techniques for cell membranes. LAB ON A CHIP 2022; 22:2624-2646. [PMID: 35775630 DOI: 10.1039/d2lc00122e] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Electroporation is a fundamental technique for applications in biotechnology. To date, the ongoing research on cell membrane electroporation has explored its mechanism, principles and potential applications. Therefore, in this review, we first discuss the primary electroporation mechanism to help establish a clear framework. Within the context of its principles, several critical terms are highlighted to present a better understanding of the theory of aqueous pores. Different degrees of electroporation can be used in different applications. Thus, we discuss the electric factors (shock strength, shock duration, and shock frequency) responsible for the degree of electroporation. In addition, finding an effective electroporation detection method is of great significance to optimize electroporation experiments. Accordingly, we summarize several primary electroporation detection methods in the following sections. Finally, given the development of micro- and nano-technology has greatly promoted the innovation of microfluidic-based electroporation devices, we also present the recent advances in microfluidic-based electroporation devices. Also, the challenges and outlook of the electroporation technique for cell membrane electroporation are presented.
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Affiliation(s)
- Fei Wang
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
| | - Shujing Lin
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
| | - Zixian Yu
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
| | - Yanpu Wang
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
| | - Di Zhang
- Centre for Advanced Electronic Materials and Devices (AEMD), Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Chengxi Cao
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
| | - Zhigang Wang
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Daxiang Cui
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
| | - Di Chen
- School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Shanghai 200240, P. R. China
- Key Lab. for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai 200240, P. R. China
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8
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Paravicini M, Milden M, Frank LMPP, Schussler M, Cardoso MC, Jakoby R, Hessinger C. Broadband Microwave Electroporation Device for the Analysis of the Influence of Frequency, Temperature and Electrical Field Strength. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2022; 2022:1565-1568. [PMID: 36086199 DOI: 10.1109/embc48229.2022.9871912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this paper, a broadband microwave device for cell poration is presented, that enables the analysis of the relation between frequency, electrical field strengths and temperature for a successful cell poration. Electromagnetic-thermal coupled simulations in the frequency range from 1 GHz to 10 GHz show that the device reaches electrical field strengths of 100 V/cm and temperatures lower then 40°C. Electroporation experiments with adherent C2C12 mouse myoblast cells show successful uptake of an anti-histone γ -H2A.X nanobody at a frequency of 10 GHz. This MWP device allows the fast electro-poration of adherent cells. After 15 min, the cells show uptake of γ -H2A.X-specific nanobody while most of them survived.
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9
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Wu Y, Fu A, Yossifon G. Micromotor-based localized electroporation and gene transfection of mammalian cells. Proc Natl Acad Sci U S A 2021; 118:e2106353118. [PMID: 34531322 PMCID: PMC8463876 DOI: 10.1073/pnas.2106353118] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2021] [Indexed: 11/18/2022] Open
Abstract
Herein, we studied localized electroporation and gene transfection of mammalian cells using a metallodielectric hybrid micromotor that is magnetically and electrically powered. Much like nanochannel-based, local electroporation of single cells, the presented micromotor was expected to increase reversible electroporation yield, relative to standard electroporation, as only a small portion of the cell's membrane (in contact with the micromotor) is affected. In contrast to methods in which the entire membrane of all cells within the sample are electroporated, the presented micromotor can perform, via magnetic steering, localized, spatially precise electroporation of the target cells that it traps and transports. In order to minimize nonselective electrical lysis of all cells within the chamber, resulting from extended exposure to an electrical field, magnetic propulsion was used to approach the immediate vicinity of the targeted cell, after which short-duration, electric-driven propulsion was activated to enable contact with the cell, followed by electroporation. In addition to local injection of fluorescent dye molecules, we demonstrated that the micromotor can enhance the introduction of plasmids into the suspension cells because of the dielectrophoretic accumulation of the plasmids in between the Janus particle and the attached cell prior to the electroporation step. Here, we chose a different strategy involving the simultaneous operation of many micromotors that are self-propelling, without external steering, and pair with cells in an autonomic manner. The locally electroporated suspension cells that are considered to be very difficult to transfect were shown to express the transfected gene, which is of significant importance for molecular biology research.
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Affiliation(s)
- Yue Wu
- Faculty of Mechanical Engineering, Micro-, and Nanofluidics Laboratory, Technion - Israel Institute of Technology, Haifa 32000, Israel
| | - Afu Fu
- Technion Rappaport Integrated Cancer Center, the Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Gilad Yossifon
- Faculty of Mechanical Engineering, Micro-, and Nanofluidics Laboratory, Technion - Israel Institute of Technology, Haifa 32000, Israel;
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10
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Xu S, Yang C, Yan X, Liu H. Towards high throughput and high information coverage: advanced single-cell mass spectrometric techniques. Anal Bioanal Chem 2021; 414:219-233. [PMID: 34435209 DOI: 10.1007/s00216-021-03624-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 12/23/2022]
Abstract
Mass spectrometry (MS) is attractive for single-cell analysis because of its high sensitivity, rich information, and large dynamic ranges, especially for the single-cell metabolome and proteome analysis. Efforts have been made to deal with the throughput and information coverage problems in typical manual single-cell MS techniques. In this review, advanced techniques to improve the automation and throughput for single-cell sampling and single-cell metabolome and proteome MS detection have been discussed. Furthermore, representative MS-based strategies that can increase the in-depth cellular information coverage and achieve the more comprehensive single-cell multiomics information during high throughput detection have been highlighted, providing an ongoing perspective of the MS performance for the single-cell research.
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Affiliation(s)
- Shuting Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.,Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Cheng Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.,Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Xiuping Yan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China. .,Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.
| | - Huwei Liu
- Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.
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11
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Hur J, Chung AJ. Microfluidic and Nanofluidic Intracellular Delivery. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2004595. [PMID: 34096197 PMCID: PMC8336510 DOI: 10.1002/advs.202004595] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 04/14/2021] [Indexed: 05/05/2023]
Abstract
Innate cell function can be artificially engineered and reprogrammed by introducing biomolecules, such as DNAs, RNAs, plasmid DNAs, proteins, or nanomaterials, into the cytosol or nucleus. This process of delivering exogenous cargos into living cells is referred to as intracellular delivery. For instance, clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 gene editing begins with internalizing Cas9 protein and guide RNA into cells, and chimeric antigen receptor-T (CAR-T) cells are prepared by delivering CAR genes into T lymphocytes for cancer immunotherapies. To deliver external biomolecules into cells, tools, including viral vectors, and electroporation have been traditionally used; however, they are suboptimal for achieving high levels of intracellular delivery while preserving cell viability, phenotype, and function. Notably, as emerging solutions, microfluidic and nanofluidic approaches have shown remarkable potential for addressing this open challenge. This review provides an overview of recent advances in microfluidic and nanofluidic intracellular delivery strategies and discusses new opportunities and challenges for clinical applications. Furthermore, key considerations for future efforts to develop microfluidics- and nanofluidics-enabled next-generation intracellular delivery platforms are outlined.
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Affiliation(s)
- Jeongsoo Hur
- School of Biomedical EngineeringKorea UniversitySeoul02841Republic of Korea
| | - Aram J. Chung
- School of Biomedical EngineeringInterdisciplinary Program in Precision Public HealthKorea UniversitySeoul02841Republic of Korea
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12
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Kurita H, Nihonyanagi H, Watanabe Y, Sugano K, Shinozaki R, Kishikawa K, Numano R, Takashima K. Mechanistic studies of gene delivery into mammalian cells by electrical short-circuiting via an aqueous droplet in dielectric oil. PLoS One 2020; 15:e0243361. [PMID: 33275626 PMCID: PMC7717561 DOI: 10.1371/journal.pone.0243361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 11/19/2020] [Indexed: 11/20/2022] Open
Abstract
We have developed a novel methodology for the delivery of cell-impermeable molecules, based on electrical short-circuiting via a water droplet in dielectric oil. When a cell suspension droplet is placed between a pair of electrodes with an intense DC electric field, droplet bouncing and droplet deformation, which results in an instantaneous short-circuit, can be induced, depending on the electric field strength. We have demonstrated successful transfection of various mammalian cells using the short-circuiting; however, the molecular mechanism remains to be elucidated. In this study, flow cytometric assays were performed with Jurkat cells. An aqueous droplet containing Jurkat cells and plasmids carrying fluorescent proteins was treated with droplet bouncing or short-circuiting. The short-circuiting resulted in sufficient cell viability and fluorescent protein expression after 24 hours’ incubation. In contrast, droplet bouncing did not result in successful gene transfection. Transient membrane pore formation was investigated by uptake of a cell-impermeable fluorescence dye YO-PRO-1 and the influx of calcium ions. As a result, short-circuiting increased YO-PRO-1 fluorescence intensity and intracellular calcium ion concentration, but droplet bouncing did not. We also investigated the contribution of endocytosis to the transfection. The pre-treatment of cells with endocytosis inhibitors decreased the efficiency of gene transfection in a concentration-dependent manner. Besides, the use of pH-sensitive dye conjugates indicated the formation of an acidic environment in the endosomes after the short-circuiting. Endocytosis is a possible mechanism for the intracellular delivery of exogenous DNA.
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Affiliation(s)
- Hirofumi Kurita
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
- * E-mail:
| | - Hirohito Nihonyanagi
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Yuki Watanabe
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Kenta Sugano
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Ryuto Shinozaki
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Kenta Kishikawa
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Rika Numano
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
| | - Kazunori Takashima
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, Toyohashi, Aichi, Japan
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13
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Brooks J, Minnick G, Mukherjee P, Jaberi A, Chang L, Espinosa HD, Yang R. High Throughput and Highly Controllable Methods for In Vitro Intracellular Delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2004917. [PMID: 33241661 PMCID: PMC8729875 DOI: 10.1002/smll.202004917] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/06/2020] [Indexed: 05/03/2023]
Abstract
In vitro and ex vivo intracellular delivery methods hold the key for releasing the full potential of tissue engineering, drug development, and many other applications. In recent years, there has been significant progress in the design and implementation of intracellular delivery systems capable of delivery at the same scale as viral transfection and bulk electroporation but offering fewer adverse outcomes. This review strives to examine a variety of methods for in vitro and ex vivo intracellular delivery such as flow-through microfluidics, engineered substrates, and automated probe-based systems from the perspective of throughput and control. Special attention is paid to a particularly promising method of electroporation using micro/nanochannel based porous substrates, which expose small patches of cell membrane to permeabilizing electric field. Porous substrate electroporation parameters discussed include system design, cells and cargos used, transfection efficiency and cell viability, and the electric field and its effects on molecular transport. The review concludes with discussion of potential new innovations which can arise from specific aspects of porous substrate-based electroporation platforms and high throughput, high control methods in general.
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Affiliation(s)
- Justin Brooks
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Grayson Minnick
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Prithvijit Mukherjee
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Arian Jaberi
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Lingqian Chang
- School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, China
| | - Horacio D. Espinosa
- Department of Mechanical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Theoretical and Applied Mechanics Program, Northwestern University, Evanston, IL, 60208, USA
| | - Ruiguo Yang
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
- Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
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14
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Agnass P, Rodermond HM, Zweije R, Sijbrands J, Vogel JA, van Lienden KP, van Gulik TM, van Veldhuisen E, Franken NAP, Oei AL, Kok HP, Besselink MG, Crezee J. HyCHEED System for Maintaining Stable Temperature Control during Preclinical Irreversible Electroporation Experiments at Clinically Relevant Temperature and Pulse Settings. SENSORS 2020; 20:s20216227. [PMID: 33142821 PMCID: PMC7662544 DOI: 10.3390/s20216227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/21/2020] [Accepted: 10/28/2020] [Indexed: 12/11/2022]
Abstract
Electric permeabilization of cell membranes is the main mechanism of irreversible electroporation (IRE), an ablation technique for treatment of unresectable cancers, but the pulses also induce a significant temperature increase in the treated volume. To investigate the therapeutically thermal contribution, a preclinical setup is required to apply IRE at desired temperatures while maintaining stable temperatures. This study’s aim was to develop and test an electroporation device capable of maintaining a pre-specified stable and spatially homogeneous temperatures and electric field in a tumor cell suspension for several clinical-IRE-settings. A hydraulically controllable heat exchange electroporation device (HyCHEED) was developed and validated at 37 °C and 46 °C. Through plate electrodes, HyCHEED achieved both a homogeneous electric field and homogenous-stable temperatures; IRE heat was removed through hydraulic cooling. IRE was applied to 300 μL of pancreatic carcinoma cell suspension (Mia PaCa-2), after which cell viability and specific conductivity were determined. HyCHEED maintained stable temperatures within ±1.5 °C with respect to the target temperature for multiple IRE-settings at the selected temperature levels. An increase of cell death and specific conductivity, including post-treatment, was found to depend on electric-field strength and temperature. HyCHEED is capable of maintaining stable temperatures during IRE-experiments. This provides an excellent basis to assess the contribution of thermal effects to IRE and other bio-electromagnetic techniques.
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Affiliation(s)
- Pierre Agnass
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
- Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (T.M.v.G.); (E.v.V.); (M.G.B.)
- Laboratory of Experimental Oncology and Radiobiology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Hans M. Rodermond
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
- Laboratory of Experimental Oncology and Radiobiology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Center for Experimental Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Remko Zweije
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
| | - Jan Sijbrands
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
| | - Jantien A. Vogel
- Department of Gastroenterology & Hepatology, Amsterdam Gastroenterology and Metabolism, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | - Krijn P. van Lienden
- Department of Radiology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | - Thomas M. van Gulik
- Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (T.M.v.G.); (E.v.V.); (M.G.B.)
| | - Eran van Veldhuisen
- Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (T.M.v.G.); (E.v.V.); (M.G.B.)
| | - Nicolaas A. P. Franken
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
- Laboratory of Experimental Oncology and Radiobiology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Center for Experimental Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Arlene L. Oei
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
- Laboratory of Experimental Oncology and Radiobiology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Center for Experimental Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - H. Petra Kok
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
| | - Marc G. Besselink
- Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (T.M.v.G.); (E.v.V.); (M.G.B.)
| | - Johannes Crezee
- Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (P.A.); (H.M.R.); (R.Z.); (J.S.); (N.A.P.F.); (A.L.O.); (H.P.K.)
- Correspondence: ; Tel.: +31-20-566-4231
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