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Ma X, Chen Z, Chen W, Chen Z, Meng X. Exosome subpopulations: The isolation and the functions in diseases. Gene 2024; 893:147905. [PMID: 37844851 DOI: 10.1016/j.gene.2023.147905] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/26/2023] [Accepted: 10/13/2023] [Indexed: 10/18/2023]
Abstract
Exosomes are nanoscale extracellular vesicles secreted by cells. Exosomes mediate intercellular communication by releasing their bioactive contents (e.g., DNAs, RNAs, lipids, proteins, and metabolites). The components of exosomes are regulated by the producing cells of exosomes. Due to their diverse origins, exosomes are highly heterogeneous in size, content, and function. Depending on these characteristics, exosomes can be divided into multiple subpopulations which have different functions. Efficient enrichment of specific subpopulations of exosomes helps to investigate their biological functions. Accordingly, numerous techniques have been developed to isolate specific subpopulations of exosomes. This review systematically introduces emerging new technologies for the isolation of different exosome subpopulations and summarizes the critical role of specific exosome subpopulations in diseases, especially in tumor occurrence and progression.
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Affiliation(s)
- Xinyi Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Zhejiang Provincial Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Department of Thoracic Surgery, The First Affiliated Hospital of Ningbo University, Ningbo University, China
| | - Zhenhua Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Zhejiang Provincial Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Department of Thoracic Surgery, The First Affiliated Hospital of Ningbo University, Ningbo University, China
| | - Wei Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Zhejiang Provincial Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Department of Thoracic Surgery, The First Affiliated Hospital of Ningbo University, Ningbo University, China
| | - Ziyuan Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Zhejiang Provincial Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Department of Thoracic Surgery, The First Affiliated Hospital of Ningbo University, Ningbo University, China
| | - Xiaodan Meng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Zhejiang Provincial Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China; Department of Thoracic Surgery, The First Affiliated Hospital of Ningbo University, Ningbo University, China.
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2
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Kumar K, Kim E, Alhammadi M, Umapathi R, Aliya S, Tiwari JN, Park HS, Choi JH, Son CY, Vilian AE, Han YK, Bu J, Huh YS. Recent advances in microfluidic approaches for the isolation and detection of exosomes. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2022.116912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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3
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Abdollahi A, Shokouhmand H. Electrokinetic separation of cfDNA in insulator-based dielectrophoresis systems: a linear model of cfDNA and investigation of effective parameters. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2022; 34:355101. [PMID: 35381587 DOI: 10.1088/1361-648x/ac6476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
In this study, a comprehensive numerical simulation was done to investigate the electrokinetic translocation of cfDNA molecule as well as the possibility of its detection and separation in insulator based dielectrophoresis (iDEP) systems. Modeling was done for the first time by solving the Poisson equation for the electrical potential, Naiver-Stokes (NS) equation for the fluid flow and energy equation for the heat transfer in the system and considering a coarse-grained bead-spring model to describe the conformational and geometrical changes of cfDNA molecule. The effect of the geometrical parameters of the system, the initial orientation of the molecule, electrical conductivity of the solution and zeta potential of the wall was investigated on the translocation and the minimum voltage required for cfDNA trapping. When the ratio of the inlet height to the constriction zone height is large enough, cfDNA molecules cannot pass through the nanopore and trap in the constriction zone. Also, it was found that the electrical conductivity of the solution is a limiting parameter to directly isolate cfDNA from pure plasma without dilution due to significant increase in the temperature of the system. Our results demonstrate the enormous potential of iDEP systems for rapid detection of cfDNA from diluted plasma under special electrical potential and geometrical parameters of the iDEP systems.
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Affiliation(s)
- Azita Abdollahi
- School of Mechanical Engineering, College of Engineering, University of Tehran, PO Box: 11155-4563, Tehran, Iran
| | - Hossein Shokouhmand
- School of Mechanical Engineering, College of Engineering, University of Tehran, PO Box: 11155-4563, Tehran, Iran
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4
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Hadady H, Karamali F, Ejeian F, Soroushzadeh S, Nasr-Esfahani MH. Potential neuroprotective effect of stem cells from apical papilla derived extracellular vesicles enriched by lab-on-chip approach during retinal degeneration. Cell Mol Life Sci 2022; 79:350. [PMID: 35672609 PMCID: PMC11071776 DOI: 10.1007/s00018-022-04375-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/24/2022] [Accepted: 05/12/2022] [Indexed: 11/03/2022]
Abstract
Retinal degeneration (RD) is recognized as a frequent cause of visual impairments, including inherited (Retinitis pigmentosa) and degenerative (age-related macular) eye diseases. Dental stem cells (DSCs) have recently demonstrated a promising neuroprotection potential for ocular diseases through a paracrine manner carried out by extracellular vesicles (EVs). However, effective isolation of EVs is still challenging, and isolation methods determine the composition of enriched EVs and the subsequent biological and functional effects. In the present study, we assessed two enrichment methods (micro-electromechanical systems and ultrafiltration) to isolate the EVs from stem cells from apical papilla (SCAP). The size distribution of the corresponding isolates exhibited the capability of each method to enrich different subsets of EVs, which significantly impacts their biological and functional effects. We confirmed the neuroprotection and anti-inflammatory capacity of the SCAP-EVs in vitro. Further experiments revealed the possible therapeutic effects of subretinal injection of SCAP-EVs in the Royal College of Surgeons (RCS) rat model. We found that EVs enriched by the micro-electromechanical-based device (MEMS-EVs) preserved visual function, reduced retinal cell apoptosis, and prevented thinning of the outer nuclear layer (ONL). Interestingly, the effect of MEMS-EVs was extended to the retinal ganglion cell/retinal nerve fiber layer (GCL/RNFL). This study supports the use of the microfluidics approach to enrich valuable subsets of EVs, together with the choice of SCAP as a source to derive EVs for cell-free therapy of RD.
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Affiliation(s)
- Hanieh Hadady
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Fereshteh Karamali
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Fatemeh Ejeian
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Sareh Soroushzadeh
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
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5
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Janouskova O, Herma R, Semeradtova A, Poustka D, Liegertova M, Malinska HA, Maly J. Conventional and Nonconventional Sources of Exosomes-Isolation Methods and Influence on Their Downstream Biomedical Application. Front Mol Biosci 2022; 9:846650. [PMID: 35586196 PMCID: PMC9110031 DOI: 10.3389/fmolb.2022.846650] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
Despite extensive study of extracellular vesicles (EVs), specifically exosomes (EXs) as biomarkers, important modulators of physiological or pathological processes, or therapeutic agents, relatively little is known about nonconventional sources of EXs, such as invertebrate or plant EXs, and their uses. Likewise, there is no clear information on the overview of storage conditions and currently used isolation methods, including new ones, such as microfluidics, which fundamentally affect the characterization of EXs and their other biomedical applications. The purpose of this review is to briefly summarize conventional and nonconventional sources of EXs, storage conditions and typical isolation methods, widely used kits and new "smart" technologies with emphasis on the influence of isolation techniques on EX content, protein detection, RNA, mRNA and others. At the same time, attention is paid to a brief overview of the direction of biomedical application of EXs, especially in diagnostics, therapy, senescence and aging and, with regard to the current situation, in issues related to Covid-19.
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Affiliation(s)
- Olga Janouskova
- Centre of Nanomaterials and Biotechnology, Faculty of Science, Jan Evangelista University in Ústí Nad Labem, Ústí Nad Labem, Czech Republic
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Shi L, Esfandiari L. Emerging on-chip electrokinetic based technologies for purification of circulating cancer biomarkers towards liquid biopsy: A review. Electrophoresis 2021; 43:288-308. [PMID: 34791687 DOI: 10.1002/elps.202100234] [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: 08/02/2021] [Revised: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 12/11/2022]
Abstract
Early detection of cancer can significantly reduce mortality and save lives. However, the current cancer diagnosis is highly dependent on costly, complex, and invasive procedures. Thus, a great deal of effort has been devoted to exploring new technologies based on liquid biopsy. Since liquid biopsy relies on detection of circulating biomarkers from biofluids, it is critical to isolate highly purified cancer-related biomarkers, including circulating tumor cells (CTCs), cell-free nucleic acids (cell-free DNA and cell-free RNA), small extracellular vesicles (exosomes), and proteins. The current clinical purification techniques are facing a number of drawbacks including low purity, long processing time, high cost, and difficulties in standardization. Here, we review a promising solution, on-chip electrokinetic-based methods, that have the advantage of small sample volume requirement, minimal damage to the biomarkers, rapid, and label-free criteria. We have also discussed the existing challenges of current on-chip electrokinetic technologies and suggested potential solutions that may be worthy of future studies.
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Affiliation(s)
- Leilei Shi
- Department of Electrical Engineering and Computer Science, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio, USA
| | - Leyla Esfandiari
- Department of Electrical Engineering and Computer Science, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio, USA.,Department of Biomedical Engineering, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio, USA
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7
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Diaz-Armas GG, Cervantes-Gonzalez AP, Martinez-Duarte R, Perez-Gonzalez VH. Electrically driven microfluidic platforms for exosome manipulation and characterization. Electrophoresis 2021; 43:327-339. [PMID: 34717000 DOI: 10.1002/elps.202100202] [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: 06/29/2021] [Revised: 10/06/2021] [Accepted: 10/25/2021] [Indexed: 01/15/2023]
Abstract
Exosomes are small extracellular vesicles that can be obtained from several body fluids such as blood and urine. Since these vesicles can carry biomarkers and other cargo, they have application in healthcare diagnostics and therapeutics, such as liquid biopsies and drug delivery. Yet, their identification and separation from a sample remain challenging due to their high degree of heterogeneity and their co-existence with other bioparticles. In this contribution, we review the state-of-the-art on electrical techniques and methods to displace, selectively trap/isolate, and detect/characterize exosomes in microfluidic devices. Although there are many reviews focused on exosome separation using benchtop equipment, such as ultracentrifugation, there are limited reviews focusing on the use of electrical phenomena in microfluidic devices for exosome manipulation and detection. Here, we highlight contributions published during the past decade and present perspectives for this research field for the near future, outlining challenges to address in years to come.
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Affiliation(s)
- Gladys G Diaz-Armas
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, Mexico
| | | | - Rodrigo Martinez-Duarte
- Multiscale Manufacturing Laboratory, Department of Mechanical Engineering, Clemson University, Clemson, South Carolina, USA
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Wang J, Ma P, Kim DH, Liu BF, Demirci U. Towards Microfluidic-Based Exosome Isolation and Detection for Tumor Therapy. NANO TODAY 2021; 37:101066. [PMID: 33777166 PMCID: PMC7990116 DOI: 10.1016/j.nantod.2020.101066] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Exosomes are a class of cell-secreted, nano-sized extracellular vesicles with a bilayer membrane structure of 30-150 nm in diameter. Their discovery and application have brought breakthroughs in numerous areas, such as liquid biopsies, cancer biology, drug delivery, immunotherapy, tissue repair, and cardiovascular diseases. Isolation of exosomes is the first step in exosome-related research and its applications. Standard benchtop exosome separation and sensing techniques are tedious and challenging, as they require large sample volumes, multi-step operations that are complex and time-consuming, requiring cumbersome and expensive instruments. In contrast, microfluidic platforms have the potential to overcome some of these limitations, owing to their high-precision processing, ability to handle liquids at a microscale, and integrability with various functional units, such as mixers, actuators, reactors, separators, and sensors. These platforms can optimize the detection process on a single device, representing a robust and versatile technique for exosome separation and sensing to attain high purity and high recovery rates with a short processing time. Herein, we overview microfluidic strategies for exosome isolation based on their hydrodynamic properties, size filtration, acoustic fields, immunoaffinity, and dielectrophoretic properties. We focus especially on advances in label-free isolation of exosomes with active biological properties and intact morphological structures. Further, we introduce microfluidic techniques for the detection of exosomal proteins and RNAs with high sensitivity, high specificity, and low detection limits. We summarize the biomedical applications of exosome-mediated therapeutic delivery targeting cancer cells. To highlight the advantages of microfluidic platforms, conventional techniques are included for comparison. Future challenges and prospects of microfluidics towards exosome isolation applications are also discussed. Although the use of exosomes in clinical applications still faces biological, technical, regulatory, and market challenges, in the foreseeable future, recent developments in microfluidic technologies are expected to pave the way for tailoring exosome-related applications in precision medicine.
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Affiliation(s)
- Jie Wang
- Canary Center at Stanford for Cancer Early Detection, Bio-Acoustic MEMS in Medicine (BAMM) Laboratory, Department of Radiology, School of Medicine Stanford University, Palo Alto, California 94304-5427, USA
- Canary Center at Stanford for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California 94305, USA
| | - Peng Ma
- Canary Center at Stanford for Cancer Early Detection, Bio-Acoustic MEMS in Medicine (BAMM) Laboratory, Department of Radiology, School of Medicine Stanford University, Palo Alto, California 94304-5427, USA
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
- Canary Center at Stanford for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California 94305, USA
| | - Daniel H Kim
- Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, California 95064, USA
- Canary Center at Stanford for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California 94305, USA
| | - Bi-Feng Liu
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Utkan Demirci
- Canary Center at Stanford for Cancer Early Detection, Bio-Acoustic MEMS in Medicine (BAMM) Laboratory, Department of Radiology, School of Medicine Stanford University, Palo Alto, California 94304-5427, USA
- Canary Center at Stanford for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California 94305, USA
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Jin CE, Koo B, Lee HJ, Park IJ, Kim SH, Shin Y. Bis(sulfosuccinimidyl)suberate-Based Helix-Shaped Microchannels as Enhancers of Biomolecule Isolation from Liquid Biopsies. Anal Chem 2020; 92:11994-12001. [PMID: 32867489 DOI: 10.1021/acs.analchem.0c02503] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Most studies of ultrasensitive diagnosis of biomolecules from liquid specimens are limited by problems during sample preparation steps, including enrichment and isolation of biomolecules. Here we report a novel platform combining bis(sulfosuccinimidyl)suberate (BS3) and helix-shaped microchannels (BSH) to change the sample preparation paradigm. This BSH system is composed of BS3 for pathogen enrichment and nucleic acid isolation by electrostatic and covalent interaction, and helix-shaped microchannels to minimize sample loss and remove bubbles in large liquid specimens without pH change. The system detected Mycobacterium tuberculosis following enrichment and isolation of 10 mL of liquefied sputum from 11 patients with tuberculosis. Moreover, the system identified KRAS mutations following cell-free DNA isolation of blood plasma from 10 patients with colorectal cancer. This system allows ultrasensitive diagnosis in various disease applications with large volumes of liquid samples.
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Affiliation(s)
- Choong Eun Jin
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Biomedical Engineering Research Center, Asan Institute of Life Sciences, Asan Medical Center, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
| | - Bonhan Koo
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Biomedical Engineering Research Center, Asan Institute of Life Sciences, Asan Medical Center, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
| | - Hyo Joo Lee
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Biomedical Engineering Research Center, Asan Institute of Life Sciences, Asan Medical Center, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
| | - In Ja Park
- Division of Colon & Rectal Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
| | - Sung-Han Kim
- Department of Infectious Disease, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
| | - Yong Shin
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Biomedical Engineering Research Center, Asan Institute of Life Sciences, Asan Medical Center, 88 Olympicro-43gil, Songpa-gu, Seoul, Republic of Korea
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10
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Abstract
Electrokinetic separation techniques in microfluidics are a powerful analytical chemistry tool, although an inherent limitation of microfluidics is their low sample throughput. In this article we report a free-flow variant of an electrokinetic focusing method, namely ion concentration polarization focusing (ICPF). The analytes flow continuously through the system via pressure driven flow while they separate and concentrate perpendicularly to the flow by ICPF. We demonstrate free flow ion concentration polarization focusing (FF-ICPF) in two operating modes, namely peak and plateau modes. Additionally, we showed the separation resolution could be improved by the use of an electrophoretic spacer. We report a concentration factor of 10 in human blood plasma in continuous flow at a flow rate of 15 μL min-1.
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Affiliation(s)
- Vasileios A Papadimitriou
- BIOS Lab on a Chip group, MESA+ Institute for Nanotechnology, Max Planck Centre for Complex Fluid Dynamics and Technical Medical Centre, University of Twente, Enschede 7500 AE, The Netherlands
| | - Loes I Segerink
- BIOS Lab on a Chip group, MESA+ Institute for Nanotechnology, Max Planck Centre for Complex Fluid Dynamics and Technical Medical Centre, University of Twente, Enschede 7500 AE, The Netherlands
| | - Jan C T Eijkel
- BIOS Lab on a Chip group, MESA+ Institute for Nanotechnology, Max Planck Centre for Complex Fluid Dynamics and Technical Medical Centre, University of Twente, Enschede 7500 AE, The Netherlands
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Xu Z, Qiao Y, Tu J. Microfluidic Technologies for cfDNA Isolation and Analysis. MICROMACHINES 2019; 10:mi10100672. [PMID: 31623361 PMCID: PMC6843514 DOI: 10.3390/mi10100672] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 09/27/2019] [Accepted: 09/29/2019] [Indexed: 12/18/2022]
Abstract
Cell-free DNA (cfDNA), which promotes precision oncology, has received extensive concern because of its abilities to inform genomic mutations, tumor burden and drug resistance. The absolute quantification of cfDNA concentration has been proved as an independent prognostic biomarker of overall survival. However, the properties of low abundance and high fragmentation hinder the isolation and further analysis of cfDNA. Microfluidic technologies and lab-on-a-chip (LOC) devices provide an opportunity to deal with cfDNA sample at a micrometer scale, which reduces required sample volume and makes rapid isolation possible. Microfluidic platform also allow for high degree of automation and high-throughput screening without liquid transfer, where rapid and precise examination and quantification could be performed at the same time. Microfluidic technologies applied in cfDNA isolation and analysis are limited and remains to be further explored. This paper reviewed the existing and potential applications of microfluidic technologies in collection and enrichment of cfDNA, quantification, mutation detection and sequencing library construction, followed by discussion of future perspectives.
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Affiliation(s)
- Zheyun Xu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Yi Qiao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Jing Tu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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Chen W, Li H, Su W, Qin J. Microfluidic device for on-chip isolation and detection of circulating exosomes in blood of breast cancer patients. BIOMICROFLUIDICS 2019; 13:054113. [PMID: 31893011 PMCID: PMC6932858 DOI: 10.1063/1.5110973] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/08/2019] [Indexed: 05/04/2023]
Abstract
Tumor-derived circulating exosomes have been recognized as a promising biomarker source for cancer diagnosis via a less invasive procedure. The integration of isolation and detection of exosomes in routine clinical settings is still challenging. In this study, we developed a new microfluidic device for immunomagnetic separation and detection of blood exosomes in situ. The microfluidic device may empower the integration of target exosome analysis via high surface to volume ratios of immunomagnetic beads and highly precise fluid control with the aid of microvalves. The obtained microfluidic device was capable of on-chip isolation and detection of circulating exosomes within 1.5 h. The captured exosomes could be directly visualized with an inverted fluorescence microscope in situ by tetramethylbenzidine-based colorimetric sensing. It was revealed that a statistically significant increase (p < 0.01) in EpCAM-positive exosomes was captured for cancer patients (n = 10) on the device when compared to healthy individuals (n = 10). The device also demonstrated high predicting accuracy for tumor exosomal markers with a sensitivity of 90% and a specificity of >95% using receiver operating characteristic curves. The microfluidic device might provide a new platform to assist cancer diagnosis and molecular classification in an automated and simple fashion.
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Affiliation(s)
| | - Hongjing Li
- First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Wentao Su
- Authors to whom correspondence should be addressed: and
| | - Jianhua Qin
- Authors to whom correspondence should be addressed: and
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13
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Jin CE, Koo B, Lee TY, Han K, Lim SB, Park IJ, Shin Y. Simple and Low-Cost Sampling of Cell-Free Nucleic Acids from Blood Plasma for Rapid and Sensitive Detection of Circulating Tumor DNA. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800614. [PMID: 30356899 PMCID: PMC6193143 DOI: 10.1002/advs.201800614] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 07/05/2018] [Indexed: 05/07/2023]
Abstract
Cell-free nucleic acids (cfNAs) are emerging diagnostic biomarkers for monitoring the treatment and recurrence of cancers. In particular, the biological role and clinical usefulness of cfNAs obtained from the plasma of patients with various cancers are popular and still intensely explored, yet most studies are limited by technical problems during cfNA isolation. A dimethyl dithiobispropionimidate (DTBP)-based microchannel platform that enables spontaneous cfNA capture in 15 min with minimal cellular background and no requirements for use of bulky instruments is reported first. This platform identified KRAS and BRAF hot-spot mutations following cfDNA isolation from the blood plasma and tissues obtained from 30 colorectal cancer patients. The correlation of mutations between the primary tissues and plasma from the patients was high using this platform with whole genome sequencing compared to the spin-column method. This platform can also be combined with various detection approaches (biooptical sensor, Sanger sequencing, and polymerase chain reaction (PCR)) for rapid, simple, low-cost, and sensitive circulating tumor DNA detection in blood plasma. The efficiency and versatility of this platform in isolating cfNAs from liquid biopsies has applications in cancer treatment and precision medicine.
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Affiliation(s)
- Choong Eun Jin
- Department of Convergence MedicineAsan Medical CenterUniversity of Ulsan College of Medicine88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
- Biomedical Engineering Research CenterAsan Institute of Life SciencesAsan Medical Center88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
| | - Bonhan Koo
- Department of Convergence MedicineAsan Medical CenterUniversity of Ulsan College of Medicine88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
- Biomedical Engineering Research CenterAsan Institute of Life SciencesAsan Medical Center88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
| | - Tae Yoon Lee
- Department of Technology Education and Department of Biomedical EngineeringChungnam National University99 Daehak‐ro, Yuseong‐guDaejeon34134Republic of Korea
| | - Kyudong Han
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative MedicineDankook UniversityCheonan31116Republic of Korea
| | - Seok Byung Lim
- Department of Colon & Rectal SurgeryAsan Medical CenterUniversity of Ulsan College of Medicine88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
| | - In Ja Park
- Department of Colon & Rectal SurgeryAsan Medical CenterUniversity of Ulsan College of Medicine88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
| | - Yong Shin
- Department of Convergence MedicineAsan Medical CenterUniversity of Ulsan College of Medicine88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
- Biomedical Engineering Research CenterAsan Institute of Life SciencesAsan Medical Center88 Olympicro‐43gil, Songpa‐gu,05505SeoulRepublic of Korea
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14
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Rana A, Zhang Y, Esfandiari L. Advancements in microfluidic technologies for isolation and early detection of circulating cancer-related biomarkers. Analyst 2018; 143:2971-2991. [DOI: 10.1039/c7an01965c] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Isolation of circulating biomarkers using microfluidic devices for cancer diagnosis.
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Affiliation(s)
- Ankit Rana
- Department of Electrical Engineering and Computer Science
- College of Engineering and Applied Sciences
- University of Cincinnati
- Cincinnati
- USA
| | - Yuqian Zhang
- Department of Electrical Engineering and Computer Science
- College of Engineering and Applied Sciences
- University of Cincinnati
- Cincinnati
- USA
| | - Leyla Esfandiari
- Department of Electrical Engineering and Computer Science
- College of Engineering and Applied Sciences
- University of Cincinnati
- Cincinnati
- USA
| |
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