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Borenstein JT, Cummins G, Dutta A, Hamad E, Hughes MP, Jiang X, Lee HH, Lei KF, Tang XS, Zheng Y, Chen J. Bionanotechnology and bioMEMS (BNM): state-of-the-art applications, opportunities, and challenges. LAB ON A CHIP 2023; 23:4928-4949. [PMID: 37916434 DOI: 10.1039/d3lc00296a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
The development of micro- and nanotechnology for biomedical applications has defined the cutting edge of medical technology for over three decades, as advancements in fabrication technology developed originally in the semiconductor industry have been applied to solving ever-more complex problems in medicine and biology. These technologies are ideally suited to interfacing with life sciences, since they are on the scale lengths as cells (microns) and biomacromolecules (nanometers). In this paper, we review the state of the art in bionanotechnology and bioMEMS (collectively BNM), including developments and challenges in the areas of BNM, such as microfluidic organ-on-chip devices, oral drug delivery, emerging technologies for managing infectious diseases, 3D printed microfluidic devices, AC electrokinetics, flexible MEMS devices, implantable microdevices, paper-based microfluidic platforms for cellular analysis, and wearable sensors for point-of-care testing.
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Affiliation(s)
| | - Gerard Cummins
- School of Engineering, University of Birmingham, Edgbaston, B15 2TT, UK.
| | - Abhishek Dutta
- Department of Electrical & Computer Engineering, University of Connecticut, USA.
| | - Eyad Hamad
- Biomedical Engineering Department, School of Applied Medical Sciences, German Jordanian University, Amman, Jordan.
| | - Michael Pycraft Hughes
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates.
| | - Xingyu Jiang
- Department of Biomedical Engineering, Southern University of Science and Technology, China.
| | - Hyowon Hugh Lee
- Weldon School of Biomedical Engineering, Center for Implantable Devices, Purdue University, West Lafayette, IN, USA.
| | | | | | | | - Jie Chen
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada.
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2
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Deivasigamani R, Mohd Maidin NN, Abdul Nasir NS, Abdulhameed A, Ahmad Kayani AB, Mohamed MA, Buyong MR. A correlation of conductivity medium and bioparticle viability on dielectrophoresis-based biomedical applications. Electrophoresis 2023; 44:573-620. [PMID: 36604943 DOI: 10.1002/elps.202200203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 11/28/2022] [Accepted: 12/26/2022] [Indexed: 01/07/2023]
Abstract
Dielectrophoresis (DEP) bioparticle research has progressed from micro to nano levels. It has proven to be a promising and powerful cell manipulation method with an accurate, quick, inexpensive, and label-free technique for therapeutic purposes. DEP, an electrokinetic phenomenon, induces particle movement as a result of polarization effects in a nonuniform electrical field. This review focuses on current research in the biomedical field that demonstrates a practical approach to DEP in terms of cell separation, trapping, discrimination, and enrichment under the influence of the conductive medium in correlation with bioparticle viability. The current review aims to provide readers with an in-depth knowledge of the fundamental theory and principles of the DEP technique, which is influenced by conductive medium and to identify and demonstrate the biomedical application areas. The high conductivity of physiological fluids presents obstacles and opportunities, followed by bioparticle viability in an electric field elaborated in detail. Finally, the drawbacks of DEP-based systems and the outlook for the future are addressed. This article will aid in advancing technology by bridging the gap between bioscience and engineering. We hope the insights presented in this review will improve cell suspension medium and promote DEP-viable bioparticle manipulation for health-care diagnostics and therapeutics.
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Affiliation(s)
- Revathy Deivasigamani
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Nur Nasyifa Mohd Maidin
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Nur Shahira Abdul Nasir
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | | | - Aminuddin Bin Ahmad Kayani
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility, RMIT University, Melbourne, Australia.,ARC Research Hub for Connected Sensors for Health, RMIT University, Melbourne, Australia
| | - Mohd Ambri Mohamed
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
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Low‐cost, high‐throughput and rapid‐prototyped 3D‐integrated dielectrophoretic channels for continuous cell enrichment and separation. Electrophoresis 2022. [DOI: 10.1002/elps.202200234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/29/2022] [Accepted: 11/06/2022] [Indexed: 11/22/2022]
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4
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Tan H, Wang M, Zhang Y, Huang X, Chen D, Li Y, Wu MH, Wang K, Wang J, Chen J. Inherent Bioelectrical Parameters of Hundreds of Thousands of Single Leukocytes Based on Impedance Flow Cytometry. Cytometry A 2022; 101:630-638. [PMID: 35150049 DOI: 10.1002/cyto.a.24544] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/15/2022] [Accepted: 02/02/2022] [Indexed: 11/11/2022]
Abstract
As label-free biomarkers, bioelectrical properties of single cells have been widely used in hematology analyzers for 3-part differential of leukocytes, in which, however, instrument dependent bioelectrical parameters (e.g., DC/AC impedance values) rather than inherent bioelectrical parameters (e.g., diameter Dc , specific membrane capacitance Csm and cytoplasmic conductivity σcy ) were used, leading to poor comparisons among different instruments. In order to address this issue, this study collected inherent bioelectrical parameters from hundreds of thousands of white blood cells based on a home-developed impedance flow cytometry with corresponding 3-part differential of leukocytes realized. More specifically, leukocytes were separated into three major subtypes of granulocytes, monocytes and lymphocytes based on density gradient centrifugation. Then these separated cells were aspirated through a constriction-microchannel based impedance flow cytometry where inherent bioelectrical parameters of Dc , Csm and σcy were quantified as 9.8 ± 0.7 μm, 2.06 ± 0.26 μF/cm2 , and 0.34 ± 0.05 S/m for granulocytes (ncell = 134 829); 10.4 ± 1.0 μm, 2.45 ± 0.48 μF/cm2 , and 0.42 ± 0.08 S/m for monocytes (ncell = 40 226); 8.0 ± 0.5 μm, 2.23 ± 0.34 μF/cm2 , and 0.35 ± 0.08 S/m for lymphocytes (ncell = 129 193). Based on these inherent bioelectrical parameters, neural pattern recognition was conducted, producing a high "classification accuracy" of 93.5% in classifying these three subtypes of leukocytes. These results indicate that as inherent bioelectrical parameters, Dc , Csm and σcy can be used to electrically phenotype white blood cells in a label-free manner.
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Affiliation(s)
- Huiwen Tan
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Minruihong Wang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Yi Zhang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xukun Huang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Deyong Chen
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Yueying Li
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China.,China National Center for Bioinformation, Beijing, People's Republic of China
| | - Min-Hsien Wu
- Graduate Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan City, Taiwan, Republic of China
| | - Ke Wang
- School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, People's Republic of China
| | - Junbo Wang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Jian Chen
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, People's Republic of China
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5
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Liu Y, Wang K, Sun X, Chen D, Wang J, Chen J. Advance of microfluidic constriction channel system of measuring single-cell cortical tension/specific capacitance of membrane and conductivity of cytoplasm. Cytometry A 2021; 101:434-447. [PMID: 34821462 DOI: 10.1002/cyto.a.24517] [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: 07/01/2021] [Revised: 10/14/2021] [Accepted: 11/11/2021] [Indexed: 12/29/2022]
Abstract
This paper reported a microfluidic platform which realized the characterization of inherent single-cell biomechanical and bioelectrical parameters simultaneously. Individual cells traveled through a constriction channel with deformation images and impedance variations captured and processed into cortical tension Tc , specific membrane capacitance Csm , and cytoplasmic conductivity σcy based on an equivalent biophysical model. These properties of thousands of individual cells of K562, Jurkat, HL-60, HL-60 treated with paraformaldehyde (PA)/cytochalasin D (CD)/concanavalin A (ConA), granulocytes of Donor 1, Donor 2, and Donor 3 were quantified for the first time. Leveraging Tc , Csm , and σcy , (1) high accuracies of classifying wild-type and processed HL-60 cells (e.g., 93.5% of PA treated vs. CD treated HL-60 cells) were realized, revealing the effectiveness of using these three biophysical parameters in cell-type classification; (2) low accuracies of classifying normal granulocytes from three donors (e.g., 56.4% of Donor 1 vs. 2), indicating comparable parameters for normal granulocytes. In conclusion, this platform can characterize single-cell Tc , Csm , and σcy concurrently and quantify multiple parameters in single-cell analysis.
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Affiliation(s)
- Yan Liu
- State Key Laboratory of Transducer Technology (SKLTT), Aerospace Information Research Institute (AIR), Chinese Academy of Sciences (CAS), Beijing, China.,School of Electronic, Electrical and Communication Engineering (EECE), University of Chinese Academy of Sciences (UCAS), Beijing, China
| | - Ke Wang
- School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, China
| | - Xiaohao Sun
- Department of Mechanical Engineering, University of Colorado Boulder, Boulder, Colorado, USA
| | - Deyong Chen
- State Key Laboratory of Transducer Technology (SKLTT), Aerospace Information Research Institute (AIR), Chinese Academy of Sciences (CAS), Beijing, China.,School of Electronic, Electrical and Communication Engineering (EECE), University of Chinese Academy of Sciences (UCAS), Beijing, China.,School of Future Technology, University of Chinese Academy of Sciences (UCAS), Beijing, China
| | - Junbo Wang
- State Key Laboratory of Transducer Technology (SKLTT), Aerospace Information Research Institute (AIR), Chinese Academy of Sciences (CAS), Beijing, China.,School of Electronic, Electrical and Communication Engineering (EECE), University of Chinese Academy of Sciences (UCAS), Beijing, China.,School of Future Technology, University of Chinese Academy of Sciences (UCAS), Beijing, China
| | - Jian Chen
- State Key Laboratory of Transducer Technology (SKLTT), Aerospace Information Research Institute (AIR), Chinese Academy of Sciences (CAS), Beijing, China.,School of Electronic, Electrical and Communication Engineering (EECE), University of Chinese Academy of Sciences (UCAS), Beijing, China.,School of Future Technology, University of Chinese Academy of Sciences (UCAS), Beijing, China
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6
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Duncan JL, Davalos RV. A review: Dielectrophoresis for characterizing and separating similar cell subpopulations based on bioelectric property changes due to disease progression and therapy assessment. Electrophoresis 2021; 42:2423-2444. [PMID: 34609740 DOI: 10.1002/elps.202100135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/19/2021] [Accepted: 09/23/2021] [Indexed: 12/16/2022]
Abstract
This paper reviews the use of dielectrophoresis for high-fidelity separations and characterizations of subpopulations to highlight the recent advances in the electrokinetic field as well as provide insight into its progress toward commercialization. The role of cell subpopulations in heterogeneous clinical samples has been studied to deduce their role in disease progression and therapy resistance for instances such as cancer, tissue regeneration, and bacterial infection. Dielectrophoresis (DEP), a label-free electrokinetic technique, has been used to characterize and separate target subpopulations from mixed samples to determine disease severity, cell stemness, and drug efficacy. Despite its high sensitivity to characterize similar or related cells based on their differing bioelectric signatures, DEP has been slowly adopted both commercially and clinically. This review addresses the use of dielectrophoresis for the identification of target cell subtypes in stem cells, cancer cells, blood cells, and bacterial cells dependent on cell state and therapy exposure and addresses commercialization efforts in light of its sensitivity and future perspectives of the technology, both commercially and academically.
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Affiliation(s)
- Josie L Duncan
- Bioelectromechanical Systems Laboratory, Department of Mechanical Engineering, Virginia Tech, Blacksburg, Virginia, USA.,Bioelectromechanical Systems Laboratory, Wake Forest School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, Virginia, USA
| | - Rafael V Davalos
- Bioelectromechanical Systems Laboratory, Department of Mechanical Engineering, Virginia Tech, Blacksburg, Virginia, USA.,Bioelectromechanical Systems Laboratory, Wake Forest School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, Virginia, USA
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7
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Dielectrophoresis as a Tool to Reveal the Potential Role of Ion Channels and Early Electrophysiological Changes in Osteoarthritis. MICROMACHINES 2021; 12:mi12080949. [PMID: 34442571 PMCID: PMC8402151 DOI: 10.3390/mi12080949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/30/2021] [Accepted: 08/08/2021] [Indexed: 11/16/2022]
Abstract
Diseases such as osteoarthritis (OA) are commonly characterized at the molecular scale by gene expression and subsequent protein production; likewise, the effects of pharmaceutical interventions are typically characterized by the effects of molecular interactions. However, these phenomena are usually preceded by numerous precursor steps, many of which involve significant ion influx or efflux. As a consequence, rapid assessment of cell electrophysiology could play a significant role in unravelling the mechanisms underlying drug interactions and progression of diseases, such as OA. In this study, we used dielectrophoresis (DEP), a technique that allows rapid, label-free determination of the dielectric parameters to assess the role of potassium ions on the dielectric characteristics of chondrocytes, and to investigate the electrophysiological differences between healthy chondrocytes and those from an in vitro arthritic disease model. Our results showed that DEP was able to detect a significant decrease in membrane conductance (6191 ± 738 vs. 8571 ± 1010 S/m2), membrane capacitance (10.3 ± 1.47 vs. 14.5 ± 0.01 mF/m2), and whole cell capacitance (5.4 ± 0.7 vs. 7.5 ± 0.3 pF) following inhibition of potassium channels using 10 mM tetraethyl ammonium, compared to untreated healthy chondrocytes. Moreover, cells from the OA model had a different response to DEP force in comparison to healthy cells; this was seen in terms of both a decreased membrane conductivity (782 S/m2 vs. 1139 S/m2) and a higher whole cell capacitance (9.58 ± 3.4 vs. 3.7 ± 1.3 pF). The results show that DEP offers a high throughput method, capable of detecting changes in membrane electrophysiological properties and differences between disease states.
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8
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Matta C, Lewis R, Fellows C, Diszhazi G, Almassy J, Miosge N, Dixon J, Uribe MC, May S, Poliska S, Barrett-Jolley R, Fodor J, Szentesi P, Hajdú T, Keller-Pinter A, Henslee E, Labeed FH, Hughes MP, Mobasheri A. Transcriptome-based screening of ion channels and transporters in a migratory chondroprogenitor cell line isolated from late-stage osteoarthritic cartilage. J Cell Physiol 2021; 236:7421-7439. [PMID: 34008188 DOI: 10.1002/jcp.30413] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 04/28/2021] [Accepted: 05/04/2021] [Indexed: 12/13/2022]
Abstract
Chondrogenic progenitor cells (CPCs) may be used as an alternative source of cells with potentially superior chondrogenic potential compared to mesenchymal stem cells (MSCs), and could be exploited for future regenerative therapies targeting articular cartilage in degenerative diseases such as osteoarthritis (OA). In this study, we hypothesised that CPCs derived from OA cartilage may be characterised by a distinct channelome. First, a global transcriptomic analysis using Affymetrix microarrays was performed. We studied the profiles of those ion channels and transporter families that may be relevant to chondroprogenitor cell physiology. Following validation of the microarray data with quantitative reverse transcription-polymerase chain reaction, we examined the role of calcium-dependent potassium channels in CPCs and observed functional large-conductance calcium-activated potassium (BK) channels involved in the maintenance of the chondroprogenitor phenotype. In line with our very recent results, we found that the KCNMA1 gene was upregulated in CPCs and observed currents that could be attributed to the BK channel. The BK channel inhibitor paxilline significantly inhibited proliferation, increased the expression of the osteogenic transcription factor RUNX2, enhanced the migration parameters, and completely abolished spontaneous Ca2+ events in CPCs. Through characterisation of their channelome we demonstrate that CPCs are a distinct cell population but are highly similar to MSCs in many respects. This study adds key mechanistic data to the in-depth characterisation of CPCs and their phenotype in the context of cartilage regeneration.
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Affiliation(s)
- Csaba Matta
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Department of Veterinary Preclinical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Rebecca Lewis
- Department of Veterinary Preclinical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Christopher Fellows
- Department of Veterinary Preclinical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Gyula Diszhazi
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Janos Almassy
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Nicolai Miosge
- Department of Prosthodontics, Tissue Regeneration Work Group, Georg August University, Göttingen, Germany
| | - James Dixon
- Wolfson Centre for Stem Cells, Tissue Engineering and Modelling, Centre of Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - Marcos C Uribe
- The Nottingham Arabidopsis Stock Centre (NASC), School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, UK
| | - Sean May
- The Nottingham Arabidopsis Stock Centre (NASC), School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, UK
| | - Szilard Poliska
- Genomic Medicine and Bioinformatic Core Facility, Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Richard Barrett-Jolley
- Department of Musculoskeletal Biology, Faculty of Health and Life Sciences, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - Janos Fodor
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Peter Szentesi
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Tibor Hajdú
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Aniko Keller-Pinter
- Department of Biochemistry, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Erin Henslee
- Department of Mechanical Engineering Sciences, Centre for Biomedical Engineering, University of Surrey, Guildford, UK
| | - Fatima H Labeed
- Department of Mechanical Engineering Sciences, Centre for Biomedical Engineering, University of Surrey, Guildford, UK
| | - Michael P Hughes
- Department of Mechanical Engineering Sciences, Centre for Biomedical Engineering, University of Surrey, Guildford, UK
| | - Ali Mobasheri
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania.,Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.,Departments of Orthopedics, Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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9
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Jiang M, Wang X, Zhao X, Teng Y, Chen J, Wang J, Yue W. Classification of tumor subtypes leveraging constriction-channel based impedance flow cytometry and optical imaging. Cytometry A 2021; 99:1114-1122. [PMID: 33909347 DOI: 10.1002/cyto.a.24358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/29/2021] [Indexed: 11/06/2022]
Abstract
As label-free biomarkers, electrical properties of single cells have been widely used for cell-type classification and cell-status evaluation. However, as intrinsic bioelectrical markers, previously reported membrane capacitance and cytoplasmic resistance (e.g., specific membrane capacitance Cspecific membrane and cytoplasmic conductivity σcytoplasm ) of tumor subtypes were derived from tens of single cells, lacking statistical significance due to low cell numbers. In this study, tumor subtypes were constructed based on phenotype (treatment with 4-methylumbelliferone) or genotype (knockdown of ROCK1) modifications and then aspirated through a constriction-channel based impedance flow cytometry to characterize single-cell Cspecific membrane and σcytoplasm . Thousands of single tumor cells with phenotype modifications were measured, resulting in significant differences in 1.64 ± 0.43 μF/cm2 vs. 1.55 ± 0.47 μF/cm2 of Cspecific membrane and 0.96 ± 0.37 S/m vs. 1.24 ± 0.47 S/m of σcytoplasm for 95C cells (792 cells of 95C-control vs. 1529 cells of 95C-pheno-mod); 2.56 ± 0.88 μF/cm2 vs. 2.33 ± 0.56 μF/cm2 of Cspecific membrane and 0.83 ± 0.18 S/m vs. 0.93 ± 0.25 S/m of σcytoplasm for H1299 cells (962 cells of H1299-control vs. 637 cells of H1299-pheno-mod). Furthermore, thousands of single tumor cells with genotype modifications were measured, resulting in significant differences in 3.82 ± 0.92 vs. 3.18 ± 0.47 μF/cm2 of Cspecific membrane and 0.47 ± 0.05 vs. 0.52 ± 0.05 S/m of σcytoplasm (1100 cells of A549-control vs. 1100 cells of A549-geno-mod). These results indicate that as intrinsic bioelectrical markers, specific membrane capacitance and cytoplasmic conductivity can be used to classify tumor subtypes.
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Affiliation(s)
- Mei Jiang
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Xiaojie Wang
- Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Xiaoting Zhao
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yu Teng
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Jian Chen
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, China
| | - Junbo Wang
- State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China.,School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, China
| | - Wentao Yue
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
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Lapizco-Encinas BH. Microscale nonlinear electrokinetics for the analysis of cellular materials in clinical applications: a review. Mikrochim Acta 2021; 188:104. [PMID: 33651196 DOI: 10.1007/s00604-021-04748-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 02/06/2021] [Indexed: 12/16/2022]
Abstract
This review article presents a discussion of some of the latest advancements in the field of microscale electrokinetics for the analysis of cells and subcellular materials in clinical applications. The introduction presents an overview on the use of electric fields, i.e., electrokinetics, in microfluidics devices and discusses the potential of electrokinetic-based methods for the analysis of liquid biopsies in clinical and point-of-care applications. This is followed by four comprehensive sections that present some of the newest findings on the analysis of circulating tumor cells, blood (red blood cells, white blood cells, and platelets), stem cells, and subcellular particles (extracellular vesicles and mitochondria). The valuable contributions discussed here (with 131 references) were mainly published during the last 3 to 4 years, providing the reader with an overview of the state-of-the-art in the use of microscale electrokinetic methods in clinical analysis. Finally, the conclusions summarize the main advancements and discuss the future prospects.
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Affiliation(s)
- Blanca H Lapizco-Encinas
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Institute Hall (Bldg. 73), Room 3103, 160 Lomb Memorial Drive, Rochester, NY, 14623-5604, USA.
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11
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Giduthuri AT, Theodossiou SK, Schiele NR, Srivastava SK. Dielectrophoresis as a tool for electrophysiological characterization of stem cells. BIOPHYSICS REVIEWS 2020; 1:011304. [PMID: 38505626 PMCID: PMC10903368 DOI: 10.1063/5.0025056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 11/20/2020] [Indexed: 03/21/2024]
Abstract
Dielectrophoresis (DEP), a nonlinear electrokinetic technique caused by Maxwell-Wagner interfacial polarization of neutral particles in an electrolyte solution, is a powerful cell manipulation method used widely for various applications such as enrichment, trapping, and sorting of heterogeneous cell populations. While conventional cell characterization and sorting methods require tagging or labeling of cells, DEP has the potential to manipulate cells in a label-free way. Due to its unique ability to characterize and sort cells without the need of labeling, there is renewed interest in using DEP for stem cell research and regenerative medicine. Stem cells have the potential to differentiate into various lineages, but achieving homogeneous cell phenotypes from an initially heterogeneous cell population is a challenge. Using DEP to efficiently and affordably identify, sort, and enrich either undifferentiated or differentiated stem cell populations in a label-free way would advance their potential uses for applications in tissue engineering and regenerative medicine. This review summarizes recent, significant research findings regarding the electrophysiological characterization of stem cells, with a focus on cellular dielectric properties, i.e., permittivity and conductivity, and on studies that have obtained these measurements using techniques that preserve cell viability, such as crossover frequency. Potential applications for DEP in regenerative medicine are also discussed. Overall, DEP is a promising technique and, when used to characterize, sort, and enrich stem cells, will advance stem cell-based regenerative therapies.
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Affiliation(s)
- Anthony T. Giduthuri
- Department of Chemical & Biological Engineering, University of Idaho, Moscow, Idaho 83844, USA
| | - Sophia K. Theodossiou
- Department of Chemical & Biological Engineering, University of Idaho, Moscow, Idaho 83844, USA
| | - Nathan R. Schiele
- Department of Chemical & Biological Engineering, University of Idaho, Moscow, Idaho 83844, USA
| | - Soumya K. Srivastava
- Department of Chemical & Biological Engineering, University of Idaho, Moscow, Idaho 83844, USA
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12
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Çağlayan Z, Demircan Yalçın Y, Külah H. A Prominent Cell Manipulation Technique in BioMEMS: Dielectrophoresis. MICROMACHINES 2020; 11:E990. [PMID: 33153069 PMCID: PMC7693018 DOI: 10.3390/mi11110990] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022]
Abstract
BioMEMS, the biological and biomedical applications of micro-electro-mechanical systems (MEMS), has attracted considerable attention in recent years and has found widespread applications in disease detection, advanced diagnosis, therapy, drug delivery, implantable devices, and tissue engineering. One of the most essential and leading goals of the BioMEMS and biosensor technologies is to develop point-of-care (POC) testing systems to perform rapid prognostic or diagnostic tests at a patient site with high accuracy. Manipulation of particles in the analyte of interest is a vital task for POC and biosensor platforms. Dielectrophoresis (DEP), the induced movement of particles in a non-uniform electrical field due to polarization effects, is an accurate, fast, low-cost, and marker-free manipulation technique. It has been indicated as a promising method to characterize, isolate, transport, and trap various particles. The aim of this review is to provide fundamental theory and principles of DEP technique, to explain its importance for the BioMEMS and biosensor fields with detailed references to readers, and to identify and exemplify the application areas in biosensors and POC devices. Finally, the challenges faced in DEP-based systems and the future prospects are discussed.
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Affiliation(s)
- Zeynep Çağlayan
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- METU MEMS Research and Application Center, Ankara 06800, Turkey
| | - Yağmur Demircan Yalçın
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- Mikro Biyosistemler Electronics Inc., Ankara 06530, Turkey
| | - Haluk Külah
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- METU MEMS Research and Application Center, Ankara 06800, Turkey
- Mikro Biyosistemler Electronics Inc., Ankara 06530, Turkey
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13
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Henslee EA. Review: Dielectrophoresis in cell characterization. Electrophoresis 2020; 41:1915-1930. [DOI: 10.1002/elps.202000034] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 05/31/2020] [Accepted: 07/14/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Erin A. Henslee
- Department of Engineering Wake Forest University 455 Vine St. Winston‐Salem USA
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14
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Subramaniam D, Angulo P, Ponnurangam S, Dandawate P, Ramamoorthy P, Srinivasan P, Iwakuma T, Weir SJ, Chastain K, Anant S. Suppressing STAT5 signaling affects osteosarcoma growth and stemness. Cell Death Dis 2020; 11:149. [PMID: 32094348 PMCID: PMC7039889 DOI: 10.1038/s41419-020-2335-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 02/04/2020] [Accepted: 02/05/2020] [Indexed: 12/26/2022]
Abstract
Osteosarcoma (OS) is the most common primary bone tumor that primarily affects children and adolescents. Studies suggested that dysregulation JAK/STAT signaling promotes the development of OS. Cells treated with pimozide, a STAT5 inhibitor suppressed proliferation and colony formation and induced sub G0/G1 cell cycle arrest and apoptosis. There was a reduction in cyclin D1 and CDK2 expression and Rb phosphorylation, and activation of Caspase-3 and PARP cleavage. In addition, pimozide suppressed the formation of 3-dimensional osteospheres and growth of the cells in the Tumor in a Dish lung organoid system. Furthermore, there was a reduction in expression of cancer stem cell marker proteins DCLK1, CD44, CD133, Oct-4, and ABCG2. More importantly, it was the short form of DCLK1 that was upregulated in osteospheres, which was suppressed in response to pimozide. We further confirmed by flow cytometry a reduction in DCLK1+ cells. Moreover, pimozide inhibits the phosphorylation of STAT5, STAT3, and ERK in OS cells. Molecular docking studies suggest that pimozide interacts with STAT5A and STAT5B with binding energies of −8.4 and −6.4 Kcal/mol, respectively. Binding was confirmed by cellular thermal shift assay. To further understand the role of STAT5, we knocked down the two isoforms using specific siRNAs. While knockdown of the proteins did not affect the cells, knockdown of STAT5B reduced pimozide-induced necrosis and further enhanced late apoptosis. To determine the effect of pimozide on tumor growth in vivo, we administered pimozide intraperitoneally at a dose of 10 mg/kg BW every day for 21 days in mice carrying KHOS/NP tumor xenografts. Pimozide treatment significantly suppressed xenograft growth. Western blot and immunohistochemistry analyses also demonstrated significant inhibition of stem cell marker proteins. Together, these data suggest that pimozide treatment suppresses OS growth by targeting both proliferating cells and stem cells at least in part by inhibiting the STAT5 signaling pathway.
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Affiliation(s)
- Dharmalingam Subramaniam
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Pablo Angulo
- Division of Hematology and Oncology, Children's Mercy Hospital, Kansas City, MO, 64108, USA.,Banner Health, 1432S. Dobson Rd. Ste. 107, Mesa, AZ, 85202, USA
| | - Sivapriya Ponnurangam
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Prasad Dandawate
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Prabhu Ramamoorthy
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Pugazhendhi Srinivasan
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Tomoo Iwakuma
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA.,Division of Hematology and Oncology, Children's Mercy Hospital, Kansas City, MO, 64108, USA
| | - Scott J Weir
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Katherine Chastain
- Division of Hematology and Oncology, Children's Mercy Hospital, Kansas City, MO, 64108, USA.,Janssen Inc, 1000 U.S. Route 202 South, Raritan, NJ, 08869, USA
| | - Shrikant Anant
- Department of Cancer Biology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA.
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15
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Thermal Shock Response of Yeast Cells Characterised by Dielectrophoresis Force Measurement. SENSORS 2019; 19:s19235304. [PMID: 31810237 PMCID: PMC6928774 DOI: 10.3390/s19235304] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/23/2019] [Accepted: 11/30/2019] [Indexed: 02/06/2023]
Abstract
Dielectrophoresis is an electric force experienced by particles subjected to non-uniform electric fields. Recently, several technologies have been developed focused on the use of dielectrophoretic force (DEP) to manipulate and detect cells. On the other hand, there is no such great development in the field of DEP-based cell discrimination methods. Despite the demand for methods to differentiate biological cell states, most DEP developed methods have been focused on differentiation through geometric parameters. The novelty of the present work relies upon the point that a DEP force cell measurement is used as a discrimination method, capable of detecting heat killed yeast cells from the alive ones. Thermal treatment is used as an example of different biological state of cells. It comes from the fact that biological properties have their reflection in the electric properties of the particle, in this case a yeast cell. To demonstrate such capability of the method, 279 heat-killed cells were measured and compared with alive cells data from the literature. For each cell, six speeds were taken at different points in its trajectory inside a variable non-uniform electric field. The electric parameters in cell wall conductivity, cell membrane conductivity, cell membrane permittivity of the yeast cell from bibliography explains the DEP experimental force measured. Finally, alive and heat-treated cells were distinguished based on that measure. Our results can be explained through the well-known damage of cell structure characteristics of heat-killed cells.
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16
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Characterization of Simple and Double Yeast Cells Using Dielectrophoretic Force Measurement. SENSORS 2019; 19:s19173813. [PMID: 31484453 PMCID: PMC6749354 DOI: 10.3390/s19173813] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/30/2019] [Accepted: 08/31/2019] [Indexed: 12/27/2022]
Abstract
Dielectrophoretic force is an electric force experienced by particles subjected to non-uniform electric fields. In recent years, plenty of dielectrophoretic force (DEP) applications have been developed. Most of these works have been centered on particle positioning and manipulation. DEP particle characterization has been left in the background. Likewise, these characterizations have studied the electric properties of particles from a qualitative point of view. This article focuses on the quantitative measurement of cells’ dielectric force, specifically yeast cells. The measures are obtained as the results of a theoretical model and an instrumental method, both of which are developed and described in the present article, based on a dielectrophoretic chamber made of two V-shaped placed electrodes. In this study, 845 cells were measured. For each one, six speeds were taken at different points in its trajectory. Furthermore, the chamber design is repeatable, and this was the first time that measurements of dielectrophoretic force and cell velocity for double yeast cells were accomplished. To validate the results obtained in the present research, the results have been compared with the dielectric properties of yeast cells collected in the pre-existing literature.
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17
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Wang W, Ji X, Zeng Z, Zhang K, Zhou J. Printed Circuit Board-Based Electrolyte Regulator for Laminar Microfluidics. ANAL LETT 2019. [DOI: 10.1080/00032719.2018.1548623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Wei Wang
- ASIC and System State Key Laboratory School of Microelectronics, Fudan University, Shanghai, China
| | - Xiumin Ji
- ASIC and System State Key Laboratory School of Microelectronics, Fudan University, Shanghai, China
| | - Zhi Zeng
- ASIC and System State Key Laboratory School of Microelectronics, Fudan University, Shanghai, China
| | - Kaidi Zhang
- ASIC and System State Key Laboratory School of Microelectronics, Fudan University, Shanghai, China
| | - Jia Zhou
- ASIC and System State Key Laboratory School of Microelectronics, Fudan University, Shanghai, China
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18
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Chen Q, Yuan YJ. A review of polystyrene bead manipulation by dielectrophoresis. RSC Adv 2019; 9:4963-4981. [PMID: 35514668 PMCID: PMC9060650 DOI: 10.1039/c8ra09017c] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/14/2019] [Indexed: 01/18/2023] Open
Abstract
Exploitation of the intrinsic electrical properties of particles has recently emerged as an appealing approach for trapping and separating various scaled particles. Initiative particle manipulation by dielectrophoresis (DEP) showed remarkable advantages including high speed, ease of handling, high precision and being label-free. Herein, we provide a general overview of the manipulation of polystyrene (PS) beads and related particles via DEP; especially, the wide applications of these manipulated PS beads in the quantitative evaluation of device performance for model validation and standardization have been discussed. The motion and polarizability of the PS beads induced by DEP were analyzed and classified into two categories as positive and negative DEP within the time and space domains. The DEP techniques used for bioparticle manipulation were demonstrated, and their applications were conducted in four fields: trapping of single-sized PS beads, separation of multiple-sized PS beads by size, separation of PS beads and non-bioparticles, and separation of PS beads and bioparticles. Finally, future perspectives on DEP-on-a-chip have been proposed to discriminate bio-targets in the network of microfluidic channels.
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Affiliation(s)
- Qiaoying Chen
- Laboratory of Biosensing and MicroMechatronics, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu Sichuan 610031 China
| | - Yong J Yuan
- Laboratory of Biosensing and MicroMechatronics, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu Sichuan 610031 China
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19
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Elwan AM, Salama AA, Sayed AM, Ghoneim AM, Elsaied AA, Ibrahim FA, Elnasharty MMM. Biophysical and biochemical roles of Moringa oleifera leaves as radioprotector. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2018; 140:142-149. [PMID: 29885346 DOI: 10.1016/j.pbiomolbio.2018.06.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 05/27/2018] [Accepted: 06/05/2018] [Indexed: 02/06/2023]
Abstract
It has been found that medicinal plants have chemical and/or therapeutic effects on different diseases related to oxidative damage. This work investigates the use of ethanolic Moringa oleifera leaves extract; as a protective and/or therapeutic agent against damage induced by high acute dose of ionizing radiation. Also, this study aims to explore the associations of electrical properties (relaxation time and DC conductivity of bone marrow) with biochemical markers (SOD, CAT and GSH) to detect and prognosticate radiation effects. Biophysical and biochemical data revealed that Moringa extract can improve the electrical properties of bone marrow and the antioxidants levels in the blood. They also showed that the feeding of Moringa leaves extract post irradiation is preferred to recover rapidly and continuously from radiation effects.
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Affiliation(s)
- Azhar M Elwan
- Biochemistry Dept, National Research Centre (NRC), 33 El Bohouth St., Dokki, 12622, Giza, Egypt.
| | - Aida A Salama
- Physics Dept, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Abdelbaset M Sayed
- Biochemistry Dept, National Research Centre (NRC), 33 El Bohouth St., Dokki, 12622, Giza, Egypt
| | - Ahmed M Ghoneim
- Microwave Physics& Dielectrics Dept, National Research Centre (NRC), 33 El Bohouth St., Dokki, 12622, Giza, Egypt
| | - Aziza A Elsaied
- Physics Dept, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Fatma A Ibrahim
- Biochemistry Dept, National Research Centre (NRC), 33 El Bohouth St., Dokki, 12622, Giza, Egypt
| | - Mohamed M M Elnasharty
- Microwave Physics& Dielectrics Dept, National Research Centre (NRC), 33 El Bohouth St., Dokki, 12622, Giza, Egypt
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20
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Xavier M, de Andrés MC, Spencer D, Oreffo ROC, Morgan H. Size and dielectric properties of skeletal stem cells change critically after enrichment and expansion from human bone marrow: consequences for microfluidic cell sorting. J R Soc Interface 2018; 14:rsif.2017.0233. [PMID: 28835540 PMCID: PMC5582119 DOI: 10.1098/rsif.2017.0233] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 07/27/2017] [Indexed: 12/14/2022] Open
Abstract
The capacity of bone and cartilage to regenerate can be attributed to skeletal stem cells (SSCs) that reside within the bone marrow (BM). Given SSCs are rare and lack specific surface markers, antibody-based sorting has failed to deliver the cell purity required for clinical translation. Microfluidics offers new methods of isolating cells based on biophysical features including, but not limited to, size, electrical properties and stiffness. Here we report the characterization of the dielectric properties of unexpanded SSCs using single-cell microfluidic impedance cytometry (MIC). Unexpanded SSCs had a mean size of 9.0 µm; larger than the majority of BM cells. During expansion, often used to purify and increase the number of SSCs, cell size and membrane capacitance increased significantly, highlighting the importance of characterizing unaltered SSCs. In addition, MIC was used to track the osteogenic differentiation of SSCs and showed an increased membrane capacitance with differentiation. The electrical properties of primary SSCs were indistinct from other BM cells precluding its use as an isolation method. However, the current studies indicate that cell size in combination with another biophysical parameter, such as stiffness, could be used to design label-free devices for sorting SSCs with significant clinical impact.
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Affiliation(s)
- Miguel Xavier
- Faculty of Physical Sciences and Engineering, and Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK.,Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Southampton General Hospital, Tremona Road, SO16 6YD Southampton, UK
| | - María C de Andrés
- Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Southampton General Hospital, Tremona Road, SO16 6YD Southampton, UK
| | - Daniel Spencer
- Faculty of Physical Sciences and Engineering, and Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Richard O C Oreffo
- Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Southampton General Hospital, Tremona Road, SO16 6YD Southampton, UK
| | - Hywel Morgan
- Faculty of Physical Sciences and Engineering, and Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK
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21
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22
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Abd Rahman N, Ibrahim F, Yafouz B. Dielectrophoresis for Biomedical Sciences Applications: A Review. SENSORS 2017; 17:s17030449. [PMID: 28245552 PMCID: PMC5375735 DOI: 10.3390/s17030449] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 12/10/2016] [Accepted: 12/20/2016] [Indexed: 12/18/2022]
Abstract
Dielectrophoresis (DEP) is a label-free, accurate, fast, low-cost diagnostic technique that uses the principles of polarization and the motion of bioparticles in applied electric fields. This technique has been proven to be beneficial in various fields, including environmental research, polymer research, biosensors, microfluidics, medicine and diagnostics. Biomedical science research is one of the major research areas that could potentially benefit from DEP technology for diverse applications. Nevertheless, many medical science research investigations have yet to benefit from the possibilities offered by DEP. This paper critically reviews the fundamentals, recent progress, current challenges, future directions and potential applications of research investigations in the medical sciences utilizing DEP technique. This review will also act as a guide and reference for medical researchers and scientists to explore and utilize the DEP technique in their research fields.
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Affiliation(s)
- Nurhaslina Abd Rahman
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
- Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Fatimah Ibrahim
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
- Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Bashar Yafouz
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
- Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia.
- Faculty of Engineering and Information Technology, Taiz University, 6803 Taiz, Yemen.
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23
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Taruvai Kalyana Kumar R, Liu S, Minna JD, Prasad S. Monitoring drug induced apoptosis and treatment sensitivity in non-small cell lung carcinoma using dielectrophoresis. Biochim Biophys Acta Gen Subj 2016; 1860:1877-83. [PMID: 27262539 DOI: 10.1016/j.bbagen.2016.05.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 05/11/2016] [Accepted: 05/31/2016] [Indexed: 10/21/2022]
Abstract
Non-invasive real time methods for characterizing biomolecular events that contribute towards apoptotic kinetics would be of significant importance in the field of cancer biology. Effective drug-induced apoptosis is an important factor for establishing the relationship between cancer genetics and treatment sensitivity. The objective of this study was to develop a non-invasive technique to characterize cancer cells that are undergoing drug-induced apoptosis. We used dielectrophoresis to determine apoptotic cells as early as 2h post drug treatment as compared to 24h with standard flow cytometry method using non-small cell lung cancer (NSCLC) adenocarcinoma cell line (HCC1833) as a study model. Our studies have shown significant differences in apoptotic cells by chromatin condensation, formation of apoptotic bodies and exposure of phosphatidylserine (PS) on the extracellular surface when the cells where treated with a potent Bcl-2 family inhibitor drug (ABT-263). Time lapse dielectrophoretic studies were performed over 24h period after exposure to ABT-263 at clinically relevant concentrations. The dielectrophoretic studies were compared to Annexin-V FITC flow assay for the detection of PS in mid-stage apoptosis using flow cytometry. As a result of physical and biochemical changes, inherent dielectric properties of cells undergoing varying stages of apoptosis showed amplified changes in their cytoplasmic and membrane capacitance. In addition, zeta potential of these fixed isolated cells was measured to obtain direct correlation to biomolecular events.
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Affiliation(s)
| | - Shanshan Liu
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States
| | - John D Minna
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States
| | - Shalini Prasad
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX 75080, United States.
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24
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Xavier M, Oreffo ROC, Morgan H. Skeletal stem cell isolation: A review on the state-of-the-art microfluidic label-free sorting techniques. Biotechnol Adv 2016; 34:908-923. [PMID: 27236022 DOI: 10.1016/j.biotechadv.2016.05.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 05/13/2016] [Accepted: 05/22/2016] [Indexed: 01/03/2023]
Abstract
Skeletal stem cells (SSC) are a sub-population of bone marrow stromal cells that reside in postnatal bone marrow with osteogenic, chondrogenic and adipogenic differentiation potential. SSCs reside only in the bone marrow and have organisational and regulatory functions in the bone marrow microenvironment and give rise to the haematopoiesis-supportive stroma. Their differentiation capacity is restricted to skeletal lineages and therefore the term SSC should be clearly distinguished from mesenchymal stem cells which are reported to exist in extra-skeletal tissues and, critically, do not contribute to skeletal development. SSCs are responsible for the unique regeneration capacity of bone and offer unlimited potential for application in bone regenerative therapies. A current unmet challenge is the isolation of homogeneous populations of SSCs, in vitro, with homogeneous regeneration and differentiation capacities. Challenges that limit SSC isolation include a) the scarcity of SSCs in bone marrow aspirates, estimated at between 1 in 10-100,000 mononuclear cells; b) the absence of specific markers and thus the phenotypic ambiguity of the SSC and c) the complexity of bone marrow tissue. Microfluidics provides innovative approaches for cell separation based on bio-physical features of single cells. Here we review the physical principles underlying label-free microfluidic sorting techniques and review their capacity for stem cell selection/sorting from complex (heterogeneous) samples.
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Affiliation(s)
- Miguel Xavier
- Faculty of Physical Sciences and Engineering, Institute for Life Sciences, University of Southampton, SO17 1BJ, United Kingdom.; Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Southampton General Hospital, Tremona Road, SO16 6YD Southampton, United Kingdom..
| | - Richard O C Oreffo
- Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, Southampton General Hospital, Tremona Road, SO16 6YD Southampton, United Kingdom..
| | - Hywel Morgan
- Faculty of Physical Sciences and Engineering, Institute for Life Sciences, University of Southampton, SO17 1BJ, United Kingdom..
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25
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Xavier M, Rosendahl P, Herbig M, Kräter M, Spencer D, Bornhäuser M, Oreffo ROC, Morgan H, Guck J, Otto O. Mechanical phenotyping of primary human skeletal stem cells in heterogeneous populations by real-time deformability cytometry. Integr Biol (Camb) 2016; 8:616-23. [DOI: 10.1039/c5ib00304k] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mechanical measurements of skeletal stem cells using RT-DC reveal a distinct sub-population within the human bone marrow.
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Affiliation(s)
- Miguel Xavier
- Faculty of Physical Sciences and Engineering
- Institute for Life Sciences
- University of Southampton SO17 1BJ
- UK
- Centre for Human Development
| | | | - Maik Herbig
- Biotechnology Center
- Technische Universität Dresden
- Dresden
- Germany
| | - Martin Kräter
- Universitätsklinikum Carl Gustav Carus
- Technische Universität Dresden
- Dresden
- Germany
| | - Daniel Spencer
- Faculty of Physical Sciences and Engineering
- Institute for Life Sciences
- University of Southampton SO17 1BJ
- UK
| | - Martin Bornhäuser
- Universitätsklinikum Carl Gustav Carus
- Technische Universität Dresden
- Dresden
- Germany
| | - Richard O. C. Oreffo
- Centre for Human Development
- Stem Cells and Regeneration
- Institute of Developmental Sciences
- Southampton General Hospital
- UK
| | - Hywel Morgan
- Faculty of Physical Sciences and Engineering
- Institute for Life Sciences
- University of Southampton SO17 1BJ
- UK
| | - Jochen Guck
- Biotechnology Center
- Technische Universität Dresden
- Dresden
- Germany
| | - Oliver Otto
- Biotechnology Center
- Technische Universität Dresden
- Dresden
- Germany
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26
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Balakrishnan KR, Whang JC, Hwang R, Hack JH, Godley LA, Sohn LL. Node-pore sensing enables label-free surface-marker profiling of single cells. Anal Chem 2015; 87:2988-95. [PMID: 25625182 PMCID: PMC4350414 DOI: 10.1021/ac504613b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
![]()
Flow cytometry is a ubiquitous, multiparametric
method for characterizing
cellular populations. However, this method can grow increasingly complex
with the number of proteins that need to be screened simultaneously:
spectral emission overlap of fluorophores and the subsequent need
for compensation, lengthy sample preparation, and multiple control
tests that need to be performed separately must all be considered.
These factors lead to increased costs, and consequently, flow cytometry
is performed in core facilities with a dedicated technician operating
the instrument. Here, we describe a low-cost, label-free microfluidic
method that can determine the phenotypic profiles of single cells.
Our method employs Node-Pore Sensing to measure the transit times
of cells as they interact with a series of different antibodies, each
corresponding to a specific cell-surface antigen, that have been functionalized
in a single microfluidic channel. We demonstrate the capabilities
of our method not only by screening two acute promyelocytic leukemia
human cells lines (NB4 and AP-1060) for myeloid antigens, CD13, CD14,
CD15, and CD33, simultaneously, but also by distinguishing a mixture
of cells of similar size—AP-1060 and NALM-1—based on
surface markers CD13 and HLA-DR. Furthermore, we show that our method
can screen complex subpopulations in clinical samples: we successfully
identified the blast population in primary human bone marrow samples
from patients with acute myeloid leukemia and screened these cells
for CD13, CD34, and HLA-DR. We show that our label-free method is
an affordable, highly sensitive, and user-friendly technology that
has the potential to transform cellular screening at the benchside.
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Affiliation(s)
- Karthik R Balakrishnan
- Department of Mechanical Engineering, University of California , Berkeley, California 94720, United States
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