1
|
Sun X, Yu Y, Qian K, Wang J, Huang L. Recent Progress in Mass Spectrometry-Based Single-Cell Metabolic Analysis. SMALL METHODS 2024; 8:e2301317. [PMID: 38032130 DOI: 10.1002/smtd.202301317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/10/2023] [Indexed: 12/01/2023]
Abstract
Single-cell analysis enables the measurement of biomolecules at the level of individual cells, facilitating in-depth investigations into cellular heterogeneity and precise interpretation of the related biological mechanisms. Among these biomolecules, cellular metabolites exhibit remarkable sensitivity to environmental and biochemical changes, unveiling a hidden world underlying cellular heterogeneity and allowing for the determination of cell physiological states. However, the metabolic analysis of single cells is challenging due to the extremely low concentrations, substantial content variations, and rapid turnover rates of cellular metabolites. Mass spectrometry (MS), characterized by its high sensitivity, wide dynamic range, and excellent selectivity, is employed in single-cell metabolic analysis. This review focuses on recent advances and applications of MS-based single-cell metabolic analysis, encompassing three key steps of single-cell isolation, detection, and application. It is anticipated that MS will bring profound implications in biomedical practices, serving as advanced tools to depict the single-cell metabolic landscape.
Collapse
Affiliation(s)
- Xuming Sun
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, 453003, P. R. China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang Medical University, Xinxiang, 453003, P. R. China
- Xinxiang Key Laboratory of Neurobiosensor, Xinxiang Medical University, Xinxiang, 453003, P. R. China
| | - Yi Yu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, 453003, P. R. China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang Medical University, Xinxiang, 453003, P. R. China
- Xinxiang Key Laboratory of Neurobiosensor, Xinxiang Medical University, Xinxiang, 453003, P. R. China
| | - Kun Qian
- School of Biomedical Engineering, Institute of Medical Robotics and Med X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Jiayi Wang
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
| | - Lin Huang
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
| |
Collapse
|
2
|
Sciurti E, Biscaglia F, Prontera C, Giampetruzzi L, Blasi L, Francioso L. Nanoelectrodes for Intracellular and Intercellular electrochemical detection: working principles, fabrication techniques and applications. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.117125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
3
|
Tang X, Huang Q, Arai T, Liu X. Cell pairing for biological analysis in microfluidic devices. BIOMICROFLUIDICS 2022; 16:061501. [PMID: 36389274 PMCID: PMC9646252 DOI: 10.1063/5.0095828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Cell pairing at the single-cell level usually allows a few cells to contact or seal in a single chamber and provides high-resolution imaging. It is pivotal for biological research, including understanding basic cell functions, creating cancer treatment technologies, developing drugs, and more. Laboratory chips based on microfluidics have been widely used to trap, immobilize, and analyze cells due to their high efficiency, high throughput, and good biocompatibility properties. Cell pairing technology in microfluidic devices provides spatiotemporal research on cellular interactions and a highly controlled approach for cell heterogeneity studies. In the last few decades, many researchers have emphasized cell pairing research based on microfluidics. They designed various microfluidic device structures for different biological applications. Herein, we describe the current physical methods of microfluidic devices to trap cell pairs. We emphatically summarize the practical applications of cell pairing in microfluidic devices, including cell fusion, cell immunity, gap junction intercellular communication, cell co-culture, and other applications. Finally, we review the advances and existing challenges of the presented devices and then discuss the possible development directions to promote medical and biological research.
Collapse
Affiliation(s)
- Xiaoqing Tang
- Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex System, Beijing Advanced Innovation Center for Intelligent Robots and Systems, and School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Qiang Huang
- Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex System, Beijing Advanced Innovation Center for Intelligent Robots and Systems, and School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Tatsuo Arai
- Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex System, Beijing Advanced Innovation Center for Intelligent Robots and Systems, and School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Xiaoming Liu
- Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex System, Beijing Advanced Innovation Center for Intelligent Robots and Systems, and School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| |
Collapse
|
4
|
Dong J, Li G, Xia L. Microfluidic Magnetic Spatial Confinement Strategy for the Enrichment and Ultrasensitive Detection of MCF-7 and Escherichia coli O157:H7. Anal Chem 2022; 94:16901-16909. [DOI: 10.1021/acs.analchem.2c04314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Jianwei Dong
- School of Chemistry, Sun Yat-sen University, Guangzhou510006, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou510006, China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou510006, China
| |
Collapse
|
5
|
|
6
|
|
7
|
Zhou WM, Yan YY, Guo QR, Ji H, Wang H, Xu TT, Makabel B, Pilarsky C, He G, Yu XY, Zhang JY. Microfluidics applications for high-throughput single cell sequencing. J Nanobiotechnology 2021; 19:312. [PMID: 34635104 PMCID: PMC8507141 DOI: 10.1186/s12951-021-01045-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/16/2021] [Indexed: 12/22/2022] Open
Abstract
The inherent heterogeneity of individual cells in cell populations plays significant roles in disease development and progression, which is critical for disease diagnosis and treatment. Substantial evidences show that the majority of traditional gene profiling methods mask the difference of individual cells. Single cell sequencing can provide data to characterize the inherent heterogeneity of individual cells, and reveal complex and rare cell populations. Different microfluidic technologies have emerged for single cell researches and become the frontiers and hot topics over the past decade. In this review article, we introduce the processes of single cell sequencing, and review the principles of microfluidics for single cell analysis. Also, we discuss the common high-throughput single cell sequencing technologies along with their advantages and disadvantages. Lastly, microfluidics applications in single cell sequencing technology for the diagnosis of cancers and immune system diseases are briefly illustrated.
Collapse
Affiliation(s)
- Wen-Min Zhou
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Yan-Yan Yan
- School of Medicine, Shanxi Datong University, Datong, 037009, People's Republic of China
| | - Qiao-Ru Guo
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Hong Ji
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Hui Wang
- Guangzhou Institute of Pediatrics/Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, People's Republic of China
| | - Tian-Tian Xu
- Guangzhou Institute of Pediatrics/Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, People's Republic of China
| | - Bolat Makabel
- Xinjiang Institute of Materia Medica, Urumqi, 830004, People's Republic of China
| | - Christian Pilarsky
- Department of Surgery, Friedrich-Alexander University of Erlangen-Nuremberg (FAU), University Hospital of Erlangen, Erlangen, Germany
| | - Gen He
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China.
| | - Xi-Yong Yu
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China.
| | - Jian-Ye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology , The State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China.
| |
Collapse
|
8
|
A Microfluidic Array Device for Single Cell Capture and Intracellular Ca2+ Response Analysis Induced by Dynamic Biochemical Stimulus. Biosci Rep 2021; 41:229251. [PMID: 34269374 PMCID: PMC8319492 DOI: 10.1042/bsr20210719] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/29/2021] [Accepted: 07/13/2021] [Indexed: 01/09/2023] Open
Abstract
A microfluidic array was constructed for trapping single cell and loading identical dynamic biochemical stimulation for gain a better understanding of Ca2+ signalling in single cells by applying extracellular dynamic biochemical stimulus. This microfluidic array consists of multiple radially aligned flow channels with equal intersection angles, which was designed by a combination of stagnation point flow and physical barrier. Numerical simulation results and trajectory analysis shown the effectiveness of this single cell trapping device. Fluorescent experiment results demonstrated the effects of flow rate and frequency of dynamic stimulus on the profiles of biochemical concentration which exposed on captured cells. In this array chip, the captured single cells in each trapping channels were able to receive identical extracellular dynamic biochemical stimuli which being transmitted from the entrance at the middle of the microfluidic array. Besides, after loading dynamic Adenosine Triphosphate (ATP) stimulation on captured cells by this device, consistent average intracellular Ca2+ dynamics phase and cellular heterogeneity were observed in captured single K562 cells. Furthermore, this device is able to be used for investigating cellular respond in single cells to temporally varying environments by modulating the stimulation signal in terms of concentration, pattern, and duration of exposure.
Collapse
|
9
|
Goudu SR, Kim H, Hu X, Lim B, Kim K, Torati SR, Ceylan H, Sheehan D, Sitti M, Kim C. Mattertronics for programmable manipulation and multiplex storage of pseudo-diamagnetic holes and label-free cells. Nat Commun 2021; 12:3024. [PMID: 34021137 PMCID: PMC8139950 DOI: 10.1038/s41467-021-23251-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 04/08/2021] [Indexed: 01/09/2023] Open
Abstract
Manipulating and separating single label-free cells without biomarker conjugation have attracted significant interest in the field of single-cell research, but digital circuitry control and multiplexed individual storage of single label-free cells remain a challenge. Herein, by analogy with the electrical circuitry elements and electronical holes, we develop a pseudo-diamagnetophoresis (PsD) mattertronic approach in the presence of biocompatible ferrofluids for programmable manipulation and local storage of single PsD holes and label-free cells. The PsD holes conduct along linear negative micro-magnetic patterns. Further, eclipse diode patterns similar to the electrical diode can implement directional and selective switching of different PsD holes and label-free cells based on the diode geometry. Different eclipse heights and junction gaps influence the switching efficiency of PsD holes for mattertronic circuitry manipulation and separation. Moreover, single PsD holes are stored at each potential well as in an electrical storage capacitor, preventing multiple occupancies of PsD holes in the array of individual compartments due to magnetic Coulomb-like interaction. This approach may enable the development of large programmable arrays of label-free matters with high throughput, efficiency, and reliability as multiplex cell research platforms.
Collapse
Affiliation(s)
- Sandhya Rani Goudu
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Hyeonseol Kim
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea
| | - Xinghao Hu
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Byeonghwa Lim
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea
| | - Kunwoo Kim
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea
| | - Sri Ramulu Torati
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea
| | - Hakan Ceylan
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Devin Sheehan
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Metin Sitti
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany.
| | - CheolGi Kim
- Department of Emerging Materials Science, DGIST, Daegu, Republic of Korea.
| |
Collapse
|
10
|
Zhu Z, Wang Y, Peng R, Chen P, Geng Y, He B, Ouyang S, Zheng K, Fan Y, Pan D, Jin N, Rudolf F, Hierlemann A. A microfluidic single-cell array for in situ laminar-flow-based comparative culturing of budding yeast cells. Talanta 2021; 231:122401. [PMID: 33965050 DOI: 10.1016/j.talanta.2021.122401] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 01/09/2023]
Abstract
To facilitate in situ comparative culturing of budding yeast cells in a precisely controlled microenvironment, we developed a microfluidic single-cell array (MiSCA) with 96 traps (16 rows × 6 columns) for single-cell immobilization. Through optimization of the distances between neighboring traps and the applied flow rates by using a hydraulic equivalent circuit of the fluidic network, yeast cells were delivered to each column of the array by laminar focused flows and reliably captured at the traps by hydrodynamic forces with about 90% efficiency of cell immobilization. Immobilized cells in different columns within the same device can then be cultured in parallel while being exposed to different media and compounds delivered by laminar flows. For biological validation of the comparative cell-culturing device, we used budding yeast that can express yellow fluorescent protein upon the addition of β-estradiol in cell-culturing medium. Experimental results show successful induction of fluorescence in cells immobilized in desired columns that have been dosed with β-estradiol. The MiSCA system allows for performing sets of experiments and control experiments in parallel in the same device, or for executing comparative experiments under well-defined laminar-perfusion conditions with different media, as well as in situ monitoring of dynamic cellular responses upon different analytical compounds or reagents for single-cell analysis.
Collapse
Affiliation(s)
- Zhen Zhu
- Southeast University, Key Laboratory of MEMS of Ministry of Education, Sipailou 2, Nanjing, 210096, China; ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, Basel, 4058, Switzerland.
| | - Yingying Wang
- Southeast University, Key Laboratory of MEMS of Ministry of Education, Sipailou 2, Nanjing, 210096, China
| | - Ruobo Peng
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, Basel, 4058, Switzerland
| | - Pan Chen
- Southeast University, Key Laboratory of MEMS of Ministry of Education, Sipailou 2, Nanjing, 210096, China
| | - Yangye Geng
- Southeast University, Key Laboratory of MEMS of Ministry of Education, Sipailou 2, Nanjing, 210096, China
| | - Bailiang He
- Southeast University, Key Laboratory of MEMS of Ministry of Education, Sipailou 2, Nanjing, 210096, China
| | - Shuiping Ouyang
- Nanjing Forestry University, College of Chemical Engineering, Longpan Road 159, Nanjing, 210037, China
| | - Ke Zheng
- Nanjing Forestry University, College of Chemical Engineering, Longpan Road 159, Nanjing, 210037, China
| | - Yimin Fan
- Nanjing Forestry University, College of Chemical Engineering, Longpan Road 159, Nanjing, 210037, China
| | - Dejing Pan
- Soochow University, CAM-SU Genomic Resource Center, Ren-ai Road 199, Suzhou, 215213, China
| | - Nan Jin
- Southeast University, ZhongDa Hospital, Dingjiaqiao 87, Nanjing, 210009, China
| | - Fabian Rudolf
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, Basel, 4058, Switzerland
| | - Andreas Hierlemann
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, Basel, 4058, Switzerland
| |
Collapse
|
11
|
Som A, Pahwa M, Bawari S, Saha ND, Sasmal R, Bosco MS, Mondal J, Agasti SS. Multiplexed optical barcoding of cells via photochemical programming of bioorthogonal host-guest recognition. Chem Sci 2021; 12:5484-5494. [PMID: 34163769 PMCID: PMC8179588 DOI: 10.1039/d0sc06860h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/17/2021] [Indexed: 12/22/2022] Open
Abstract
Modern chemical and biological studies are undergoing a paradigm shift, where understanding the fate of individual cells, in an apparently homogeneous population, is becoming increasingly important. This has inculcated a growing demand for developing strategies that label individual cells with unique fluorescent signatures or barcodes so that their spatiotemporal trajectories can be mapped in real time. Among various approaches, light-regulated methods employing photocaged fluorophores have received particular attention, owing to their fine spatiotemporal control over labelling. However, their multiplexed use to barcode large numbers of cells for interrogating cellular libraries or complex tissues remains inherently challenging, due to the lack of multiple spectrally distinct photoactivated states in the currently available photocaged fluorophores. We report here an alternative multiplexable strategy based on optically controlled host-guest recognition in the cucurbit[7]uril (CB[7]) system that provides spatial control over the positioning of fluorophores to generate distinct barcodes in 'user-defined' cells. Using a combination of three spectrally distinct CB[7]-conjugated fluorophores and by sequentially performing cycles of photoactivation and fluorophore encoding, we demonstrate 10-color barcoding in microtubule-targeted fixed cells as well as 7-color barcoding in cell surface glycan targeted live MCF7 cells.
Collapse
Affiliation(s)
- Arka Som
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Meenakshi Pahwa
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Sumit Bawari
- Tata Institute of Fundamental Research 36/P, Gopanpally Village Hyderabad 500046 India
| | - Nilanjana Das Saha
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Ranjan Sasmal
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Monica Swetha Bosco
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| | - Jagannath Mondal
- Tata Institute of Fundamental Research 36/P, Gopanpally Village Hyderabad 500046 India
| | - Sarit S Agasti
- New Chemistry Unit, Chemistry & Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bangalore Karnataka 560064 India
| |
Collapse
|
12
|
Wada H, Koike Y, Yokoyama Y, Hayakawa T. Evaluation of the Response Characteristics of On-Chip Gel Actuators for Various Single Cell Manipulations. IEEE Robot Autom Lett 2020. [DOI: 10.1109/lra.2020.3006792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
13
|
Zheng LN, Feng LX, Shi JW, Chen HQ, Wang B, Wang M, Wang HF, Feng WY. Single-Cell Isotope Dilution Analysis with LA–ICP–MS: A New Approach for Quantification of Nanoparticles in Single Cells. Anal Chem 2020; 92:14339-14345. [DOI: 10.1021/acs.analchem.0c01775] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Ling-Na Zheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Beijing Metallomics Facility and CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Liu-Xing Feng
- Division of Metrology in Chemistry, National Institute of Metrology, Beijing 100029, China
| | - Jun-Wen Shi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Han-Qing Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Beijing Metallomics Facility and CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Bing Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Beijing Metallomics Facility and CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Meng Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Beijing Metallomics Facility and CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Hai-Fang Wang
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Wei-Yue Feng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Beijing Metallomics Facility and CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| |
Collapse
|
14
|
Bleker de Oliveira M, Koshkin V, Liu G, Krylov SN. Analytical Challenges in Development of Chemoresistance Predictors for Precision Oncology. Anal Chem 2020; 92:12101-12110. [PMID: 32790291 DOI: 10.1021/acs.analchem.0c02644] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chemoresistance, i.e., tumor insensitivity to chemotherapy, shortens life expectancy of cancer patients. Despite the availability of new treatment options, initial systemic regimens for solid tumors are dominated by a set of standard chemotherapy drugs, and alternative therapies are used only when a patient has demonstrated chemoresistance clinically. Chemoresistance predictors use laboratory parameters measured on tissue samples to predict the patient's response to chemotherapy and help to avoid application of chemotherapy to chemoresistant patients. Despite thousands of publications on putative chemoresistance predictors, there are only about a dozen predictors that are sufficiently accurate for precision oncology. One of the major reasons for inaccuracy of predictors is inaccuracy of analytical methods utilized to measure their laboratory parameters: an inaccurate method leads to an inaccurate predictor. The goal of this study was to identify analytical challenges in chemoresistance-predictor development and suggest ways to overcome them. Here we describe principles of chemoresistance predictor development via correlating a clinical parameter, which manifests disease state, with a laboratory parameter. We further classify predictors based on the nature of laboratory parameters and analyze advantages and limitations of different predictors using the reliability of analytical methods utilized for measuring laboratory parameters as a criterion. Our eventual focus is on predictors with known mechanisms of reactions involved in drug resistance (drug extrusion, drug degradation, and DNA damage repair) and using rate constants of these reactions to establish accurate and robust laboratory parameters. Many aspects and conclusions of our analysis are applicable to all types of disease biomarkers built upon the correlation of clinical and laboratory parameters.
Collapse
Affiliation(s)
- Mariana Bleker de Oliveira
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, Toronto M3J 1P3, Canada
| | - Vasilij Koshkin
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, Toronto M3J 1P3, Canada
| | - Geoffrey Liu
- Department of Medicine, Medical Oncology, Princess Margaret Cancer Centre, Toronto M5G 2M9, Canada
| | - Sergey N Krylov
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, Toronto M3J 1P3, Canada
| |
Collapse
|
15
|
Huang G, Lin G, Zhu Y, Duan W, Jin D. Emerging technologies for profiling extracellular vesicle heterogeneity. LAB ON A CHIP 2020; 20:2423-2437. [PMID: 32537618 DOI: 10.1039/d0lc00431f] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Extracellular vesicles (EVs) are membrane-bound vesicles secreted by most cell types and exist in virtually all bodily fluids. They carry on a wealth of proteomic and genetic information including proteins, lipids, miRNAs, mRNA, non-coding RNA and other molecules from parental cells. Increasing evidence shows that within populations of EVs, their biogenesis, physical characteristics (e.g. size, density, morphology) and cargos (e.g. protein, lipid content, nucleic acids) may vary substantially, which accordingly change their biological properties. To fully exploit the potential of EVs, it requires qualified methods to profile EV heterogeneity. In this review, we survey recent approaches for EV isolation with innovative discoveries in heterogeneity. The main challenges in EV heterogeneity research are identified, and the roles of single cell EV profiling and single EV imaging are highlighted. We further discuss promising opportunities for resolving the underlying complexity of EV heterogeneity.
Collapse
Affiliation(s)
- Guan Huang
- Institute for Biomedical Materials and Devices, Faculty of Science, The University of Technology Sydney, Ultimo, New South Wales 2007, Australia.
| | | | | | | | | |
Collapse
|
16
|
Yu JS, Bagheri N. Agent-Based Models Predict Emergent Behavior of Heterogeneous Cell Populations in Dynamic Microenvironments. Front Bioeng Biotechnol 2020; 8:249. [PMID: 32596213 PMCID: PMC7301008 DOI: 10.3389/fbioe.2020.00249] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 03/10/2020] [Indexed: 01/18/2023] Open
Abstract
Computational models are most impactful when they explain and characterize biological phenomena that are non-intuitive, unexpected, or difficult to study experimentally. Countless equation-based models have been built for these purposes, but we have yet to realize the extent to which rules-based models offer an intuitive framework that encourages computational and experimental collaboration. We develop ARCADE, a multi-scale agent-based model to interrogate emergent behavior of heterogeneous cell agents within dynamic microenvironments and demonstrate how complexity of intracellular metabolism and signaling modules impacts emergent dynamics. We perform in silico case studies on context, competition, and heterogeneity to demonstrate the utility of our model for gaining computational and experimental insight. Notably, there exist (i) differences in emergent behavior between colony and tissue contexts, (ii) linear, non-linear, and multimodal consequences of parameter variation on competition in simulated co-cultures, and (iii) variable impact of cell and population heterogeneity on emergent outcomes. Our extensible framework is easily modified to explore numerous biological systems, from tumor microenvironments to microbiomes.
Collapse
Affiliation(s)
- Jessica S Yu
- Chemical and Biological Engineering, Northwestern University, Evanston, IL, United States
| | - Neda Bagheri
- Chemical and Biological Engineering, Northwestern University, Evanston, IL, United States.,Northwestern Institute on Complex Systems, Northwestern University, Evanston, IL, United States.,Center for Synthetic Biology, Northwestern University, Evanston, IL, United States.,Biology, University of Washington, Seattle, WA, United States.,Chemical Engineering, University of Washington, Seattle, WA, United States
| |
Collapse
|
17
|
Mini-pillar microarray for individually electrochemical sensing in microdroplets. Biosens Bioelectron 2020; 149:111845. [DOI: 10.1016/j.bios.2019.111845] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 10/30/2019] [Accepted: 11/01/2019] [Indexed: 01/08/2023]
|
18
|
Liu H, Li M, Wang Y, Piper J, Jiang L. Improving Single-Cell Encapsulation Efficiency and Reliability through Neutral Buoyancy of Suspension. MICROMACHINES 2020; 11:mi11010094. [PMID: 31952228 PMCID: PMC7019761 DOI: 10.3390/mi11010094] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 01/13/2020] [Indexed: 12/27/2022]
Abstract
Single-cell analysis is of critical importance in revealing cell-to-cell heterogeneity by characterizing individual cells and identifying minority sub-populations of interest. Droplet-based microfluidics has been widely used in the past decade to achieve high-throughput single-cell analysis. However, to maximize the proportion of single-cell emulsification is challenging due to cell sedimentation and aggregation. The purpose of this study was to investigate the influence of single-cell encapsulation and incubation through the use of neutral buoyancy. As a proof of concept, OptiPrep™ was used to create neutrally buoyant cell suspensions of THP-1, a human monocytic leukemia cell line, for single-cell encapsulation and incubation. We found that using a neutrally buoyant suspension greatly increased the efficiency of single-cell encapsulation in microdroplets and eliminated unnecessary cell loss. Moreover, the presence of OptiPrep™ was shown to not affect cellular viability. This method significantly improved the effectiveness of single-cell study in a non-toxic environment and is expected to broadly facilitate single-cell analysis.
Collapse
Affiliation(s)
- Hangrui Liu
- ARC Centre of Excellence for Nanoscale BioPhotonics, Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia; (H.L.); (Y.W.)
| | - Ming Li
- School of Engineering, Macquarie University, Sydney, NSW 2122, Australia
- Correspondence: (M.L.); (J.P.); (L.J.); Tel.: +61-2-9850-9532 (M.L.); +61-2-9850-6369 (J.P.); +61-2-9850-8115 (L.J.)
| | - Yan Wang
- ARC Centre of Excellence for Nanoscale BioPhotonics, Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia; (H.L.); (Y.W.)
| | - Jim Piper
- ARC Centre of Excellence for Nanoscale BioPhotonics, Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia; (H.L.); (Y.W.)
- Correspondence: (M.L.); (J.P.); (L.J.); Tel.: +61-2-9850-9532 (M.L.); +61-2-9850-6369 (J.P.); +61-2-9850-8115 (L.J.)
| | - Lianmei Jiang
- ARC Centre of Excellence for Nanoscale BioPhotonics, Department of Molecular Sciences, Macquarie University, Sydney, NSW 2109, Australia
- Correspondence: (M.L.); (J.P.); (L.J.); Tel.: +61-2-9850-9532 (M.L.); +61-2-9850-6369 (J.P.); +61-2-9850-8115 (L.J.)
| |
Collapse
|
19
|
Shi J, Ji X, Wu Q, Liu H, Qu G, Yin Y, Hu L, Jiang G. Tracking Mercury in Individual Tetrahymena Using a Capillary Single-Cell Inductively Coupled Plasma Mass Spectrometry Online System. Anal Chem 2019; 92:622-627. [DOI: 10.1021/acs.analchem.9b03719] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Jianbo Shi
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
- Institute of Environment and Health, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310000, China
| | - Xiaomeng Ji
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qi Wu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongwei Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangbo Qu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yongguang Yin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Ligang Hu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- Institute of Environment and Health, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310000, China
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| |
Collapse
|
20
|
Wang H, Chen B, He M, Li X, Chen P, Hu B. Study on uptake of gold nanoparticles by single cells using droplet microfluidic chip-inductively coupled plasma mass spectrometry. Talanta 2019; 200:398-407. [DOI: 10.1016/j.talanta.2019.03.075] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 03/19/2019] [Accepted: 03/19/2019] [Indexed: 11/29/2022]
|
21
|
|
22
|
Kleine-Brüggeney H, van Vliet LD, Mulas C, Gielen F, Agley CC, Silva JCR, Smith A, Chalut K, Hollfelder F. Long-Term Perfusion Culture of Monoclonal Embryonic Stem Cells in 3D Hydrogel Beads for Continuous Optical Analysis of Differentiation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1804576. [PMID: 30570812 DOI: 10.1002/smll.201804576] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/02/2018] [Indexed: 06/09/2023]
Abstract
Developmental cell biology requires technologies in which the fate of single cells is followed over extended time periods, to monitor and understand the processes of self-renewal, differentiation, and reprogramming. A workflow is presented, in which single cells are encapsulated into droplets (Ø: 80 µm, volume: ≈270 pL) and the droplet compartment is later converted to a hydrogel bead. After on-chip de-emulsification by electrocoalescence, these 3D scaffolds are subsequently arrayed on a chip for long-term perfusion culture to facilitate continuous cell imaging over 68 h. Here, the response of murine embryonic stem cells to different growth media, 2i and N2B27, is studied, showing that the exit from pluripotency can be monitored by fluorescence time-lapse microscopy, by immunostaining and by reverse-transcription and quantitative PCR (RT-qPCR). The defined 3D environment emulates the natural context of cell growth (e.g., in tissue) and enables the study of cell development in various matrices. The large scale of cell cultivation (in 2000 beads in parallel) may reveal infrequent events that remain undetected in lower throughput or ensemble studies. This platform will help to gain qualitative and quantitative mechanistic insight into the role of external factors on cell behavior.
Collapse
Affiliation(s)
- Hans Kleine-Brüggeney
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK
| | - Liisa D van Vliet
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK
| | - Carla Mulas
- Wellcome Trust/Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Fabrice Gielen
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK
| | - Chibeza C Agley
- Wellcome Trust/Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - José C R Silva
- Wellcome Trust/Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Austin Smith
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK
- Wellcome Trust/Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QR, UK
| | - Kevin Chalut
- Wellcome Trust/Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QR, UK
- Department of Physics, University of Cambridge, 19 J J Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Florian Hollfelder
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge, CB2 1GA, UK
| |
Collapse
|
23
|
Cao X, Mu L, Chen M, Bu C, Liang S, She G, Shi W. Single Silicon Nanowire‐Based Fluorescent Sensor for Endogenous Hypochlorite in an Individual Cell. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/adbi.201800213] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xingxing Cao
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lixuan Mu
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
| | - Min Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Congcong Bu
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Sen Liang
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Guangwei She
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
| | - Wensheng Shi
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| |
Collapse
|
24
|
Erdoğan İ, Coşacak Mİ, Nalbant A, Akgül B. Deep sequencing reveals two Jurkat subpopulations with distinct miRNA profiles during camptothecin-induced apoptosis. Turk J Biol 2018; 42:113-122. [PMID: 30814873 DOI: 10.3906/biy-1710-62] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs of about 19-25 nt that regulate gene expression posttranscriptionally under various cellular conditions, including apoptosis. The miRNAs involved in modulation of apoptotic events in T cells are partially known. However, heterogeneity associated with cell lines makes it difficult to interpret gene expression signatures, especially in cancer-related cell lines. Treatment of the Jurkat T-cell leukemia cell line with the universal apoptotic drug, camptothecin, resulted in identification of two Jurkat subpopulations: one that is sensitive to camptothecin and another that is rather intrinsically resistant. We sorted apoptotic Jurkat cells from nonapoptotic ones prior to profiling miRNAs through deep sequencing. Our data showed that a total of 184 miRNAs were dysregulated. Interestingly, the apoptotic and nonapoptotic subpopulations exhibited distinct miRNA expression profiles. In particular, 6 miRNAs were inversely expressed in these two subpopulations. The pyrosequencing results were validated by real-time qPCR. Altogether, these results suggest that miRNAs modulate apoptotic events in T cells and that cellular heterogeneity requires careful interpretation of miRNA expression profiles obtained from drug-treated cell lines.
Collapse
Affiliation(s)
- İpek Erdoğan
- Department of Molecular Biology and Genetics, İzmir Institute of Technology , Gülbahçeköyü, Urla, İzmir , Turkey
| | - Mehmet İlyas Coşacak
- Department of Molecular Biology and Genetics, İzmir Institute of Technology , Gülbahçeköyü, Urla, İzmir , Turkey
| | - Ayten Nalbant
- Department of Molecular Biology and Genetics, İzmir Institute of Technology , Gülbahçeköyü, Urla, İzmir , Turkey
| | - Bünyamin Akgül
- Department of Molecular Biology and Genetics, İzmir Institute of Technology , Gülbahçeköyü, Urla, İzmir , Turkey
| |
Collapse
|
25
|
Xu J, Chen S, Wang D, Jiang Y, Hao M, Du G, Ba D, Lin Q, Mei Q, Ning Y, Su D, Liu K. A Microfluidic Chip with Double-Slit Arrays for Enhanced Capture of Single Cells. MICROMACHINES 2018; 9:mi9040157. [PMID: 30424091 PMCID: PMC6187229 DOI: 10.3390/mi9040157] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 03/27/2018] [Accepted: 03/29/2018] [Indexed: 11/16/2022]
Abstract
The application of microfluidic technology to manipulate cells or biological particles is becoming one of the rapidly growing areas, and various microarray trapping devices have recently been designed for high throughput single-cell analysis and manipulation. In this paper, we design a double-slit microfluidic chip for hydrodynamic cell trapping at the single-cell level, which maintains a high capture ability. The geometric effects on flow behaviour are investigated in detail for optimizing chip architecture, including the flow velocity, the fluid pressure, and the equivalent stress of cells. Based on the geometrical parameters optimized, the double-slit chip enhances the capture of HeLa cells and the drug experiment verifies the feasibility of the drug delivery.
Collapse
Affiliation(s)
- Jingyi Xu
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Shulei Chen
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Dongyang Wang
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Yue Jiang
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Ming Hao
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Guangyu Du
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Dechun Ba
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Qiao Lin
- Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.
| | - Qi Mei
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Yingchao Ning
- Shenyang Aeroengine Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China.
| | - Da Su
- China National Heavy Duty Truck Group Co., Ltd., Jinan 250101, China.
| | - Kun Liu
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| |
Collapse
|
26
|
Cellular dielectrophoresis coupled with single-cell analysis. Anal Bioanal Chem 2018; 410:2499-2515. [DOI: 10.1007/s00216-018-0896-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/11/2018] [Accepted: 01/17/2018] [Indexed: 01/09/2023]
|
27
|
Hanif S, Liu HL, Ahmed SA, Yang JM, Zhou Y, Pang J, Ji LN, Xia XH, Wang K. Nanopipette-Based SERS Aptasensor for Subcellular Localization of Cancer Biomarker in Single Cells. Anal Chem 2017; 89:9911-9917. [PMID: 28825473 DOI: 10.1021/acs.analchem.7b02147] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Single cell analysis is essential for understanding the heterogeneity, behaviors of cells, and diversity of target analyte in different subcellular regions. Nucleolin (NCL) is a multifunctional protein that is markedly overexpressed in most of the cancer cells. The variant expression levels of NCL in subcellular regions have a marked influence on cancer proliferation and treatments. However, the specificity of available methods to identify the cancer biomarkers is limited because of the high level of subcellular matrix effect. Herein, we proposed a novel technique to increase both the molecular and spectral specificity of cancer diagnosis by using aptamers affinity based portable nanopipette with distinctive surface-enhanced Raman scattering (SERS) activities. The aptamers-functionalized gold-coated nanopipette was used to capture target, while p-mercaptobenzonitrile (MBN) and complementary DNA modified Ag nanoparticles (AgNPs) worked as Raman reporter to produce SERS signal. The SERS signal of Raman nanotag was lost upon NCL capturing via modified DNA aptamers on nanoprobe, which further helped to verify the specificity of nanoprobe. For proof of concept, NCL protein was specifically extracted from different cell lines by aptamers modified SERS active nanoprobe. The nanoprobes manifested specifically good affinity for NCL with a dissociation constant Kd of 36 nM and provided a 1000-fold higher specificity against other competing proteins. Furthermore, the Raman reporter moiety has a vibrational frequency in the spectroscopically silent region (1800-2300 cm-1) with a negligible matrix effect from cell analysis. The subcellular localization and spatial distribution of NCL were successfully achieved in various types of cells, including MCF-7A, HeLa, and MCF-10A cells. This type of probing technique for single cell analysis could lead to the development of a new perspective in cancer diagnosis and treatment at the cellular level.
Collapse
Affiliation(s)
- Sumaira Hanif
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Hai-Ling Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Saud Asif Ahmed
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Jin-Mei Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Yue Zhou
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Jie Pang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Li-Na Ji
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| | - Kang Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, and ‡State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University , Nanjing 210023, China
| |
Collapse
|
28
|
Li X, Tao Y, Lee DH, Wickramasinghe HK, Lee AP. In situ mRNA isolation from a microfluidic single-cell array using an external AFM nanoprobe. LAB ON A CHIP 2017; 17:1635-1644. [PMID: 28401227 DOI: 10.1039/c7lc00133a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We present an in situ mRNA extraction platform to quantify marker-genes' expression levels of single target cells within high-density microfluidic trapping arrays. This platform enables single-cell transcriptomic analysis to reveal in-depth information of cellular mechanisms and population heterogeneity. Although microfluidic technology enables the automation of single-cell sorting, trapping and identification, most developed microfluidic devices are closed off and prevent single-cell access by external analytical equipment. Besides, cell lysing is usually required for mRNA extraction. In our platform, cells are trapped individually in a microwell array sealed by a 1 μm-thick polydimethylsiloxane (PDMS) membrane, and a modified atomic force microscopy (AFM) probe-a dielectrophoretic nanotweezer (DENT)-penetrates through the membrane and extracts mRNA molecules from a single cell by dielectrophoresis. The single-cellular expression levels of 3 housekeeping genes from HeLa cells were analyzed quantitatively based on the quantification of the extracted mRNAs, and the probed cells remained viable when the applied alternating-current (AC) voltage was lower than 1.5 Vpp during mRNA probing. We also performed in situ mRNA isolation from a mixture of SK-BR-3 and U937 cells, mimicking a blood sample that underwent primary enrichment of circulating tumor cells (CTCs), and evaluated various marker-genes' expressions. This integrated platform combines the non-destructive and precise-control of a single-cell mRNA probe with sealed microfluidic systems' capability of upstream sample processing and downstream multifunctional analysis to enable a versatile and powerful tool for biomedical research.
Collapse
Affiliation(s)
- Xuan Li
- Department of Biomedical Engineering, University of California, Irvine, CA 92697, USA.
| | | | | | | | | |
Collapse
|
29
|
Wang H, Chen B, He M, Hu B. A Facile Droplet-Chip-Time-Resolved Inductively Coupled Plasma Mass Spectrometry Online System for Determination of Zinc in Single Cell. Anal Chem 2017; 89:4931-4938. [DOI: 10.1021/acs.analchem.7b00134] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Han Wang
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), Department
of Chemistry, Wuhan University, Wuhan 430072, China
| | - Beibei Chen
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), Department
of Chemistry, Wuhan University, Wuhan 430072, China
| | - Man He
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), Department
of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bin Hu
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), Department
of Chemistry, Wuhan University, Wuhan 430072, China
| |
Collapse
|
30
|
Koh SB, Mascalchi P, Rodriguez E, Lin Y, Jodrell DI, Richards FM, Lyons SK. A quantitative FastFUCCI assay defines cell cycle dynamics at a single-cell level. J Cell Sci 2017; 130:512-520. [PMID: 27888217 DOI: 10.1242/jcs.195164] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 11/11/2016] [Indexed: 01/12/2023] Open
Abstract
The fluorescence ubiquitination-based cell cycle indicator (FUCCI) is a powerful tool for use in live cells but current FUCCI-based assays have limited throughput in terms of image processing and quantification. Here, we developed a lentiviral system that rapidly introduced FUCCI transgenes into cells by using an all-in-one expression cassette, FastFUCCI. The approach alleviated the need for sequential transduction and characterisation, improving labelling efficiency. We coupled the system to an automated imaging workflow capable of handling large datasets. The integrated assay enabled analyses of single-cell readouts at high spatiotemporal resolution. With the assay, we captured in detail the cell cycle alterations induced by antimitotic agents. We found that treated cells accumulated at G2 or M phase but eventually advanced through mitosis into the next interphase, where the majority of cell death occurred, irrespective of the preceding mitotic phenotype. Some cells appeared viable after mitotic slippage, and a fraction of them subsequently re-entered S phase. Accordingly, we found evidence that targeting the DNA replication origin activity sensitised cells to paclitaxel. In summary, we demonstrate the utility of the FastFUCCI assay for quantifying spatiotemporal dynamics and identify its potential in preclinical drug development.
Collapse
Affiliation(s)
- Siang-Boon Koh
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Patrice Mascalchi
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
- Bordeaux Imaging Center, UMS 3420 CNRS-Université de Bordeaux-US4 INSERM, Pôle d'imagerie photonique, Bordeaux F-33000, France
| | - Esther Rodriguez
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Yao Lin
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
- College of Life Sciences, Fujian Normal University, Fujian 350117, P. R. China
| | - Duncan I Jodrell
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Frances M Richards
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Scott K Lyons
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
- Cold Spring Harbor Laboratory, 1 Bungtown Road, New York 11724, US
| |
Collapse
|
31
|
Zhang Z, Ju E, Bing W, Wang Z, Ren J, Qu X. Chemically individual armoured bioreporter bacteria used for the in vivo sensing of ultra-trace toxic metal ions. Chem Commun (Camb) 2017; 53:8415-8418. [DOI: 10.1039/c7cc03794e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A chemically engineered mesoporous silica armour is developed for simultaneously improving bioreporter bacterial vitality and shielding infectivity.
Collapse
Affiliation(s)
- Zhijun Zhang
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Enguo Ju
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Wei Bing
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Zhenzhen Wang
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Jinsong Ren
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Xiaogang Qu
- Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| |
Collapse
|
32
|
Altunbek M, Kuku G, Culha M. Gold Nanoparticles in Single-Cell Analysis for Surface Enhanced Raman Scattering. Molecules 2016; 21:E1617. [PMID: 27897986 PMCID: PMC6273107 DOI: 10.3390/molecules21121617] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 11/17/2016] [Accepted: 11/22/2016] [Indexed: 01/24/2023] Open
Abstract
The need for new therapeutic approaches in the treatment of challenging diseases such as cancer, which often consists of a highly heterogeneous and complex population of cells, brought up the idea of analyzing single cells. The development of novel techniques to analyze single cells has been intensively studied to fully understand specific alternations inducing abnormalities in cellular function. One of the techniques used for single cell analysis is surface-enhanced Raman spectroscopy (SERS) in which a noble metal nanoparticle is used to enhance Raman scattering. Due to its low toxicity and biocompatibility, gold nanoparticles (AuNPs) are commonly preferred as SERS substrates in single cell analysis. The intracellular uptake, localization and toxicity issues of AuNPs are the critical points for interpretation of data since the obtained SERS signals originate from molecules in close vicinity to AuNPs that are taken up by the cells. In this review, the AuNP-living cell interactions, cellular uptake and toxicity of AuNPs in relation to their physicochemical properties, and surface-enhanced Raman scattering from single cells are discussed.
Collapse
Affiliation(s)
- Mine Altunbek
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Atasehir, Istanbul 34755, Turkey.
| | - Gamze Kuku
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Atasehir, Istanbul 34755, Turkey.
| | - Mustafa Culha
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Atasehir, Istanbul 34755, Turkey.
| |
Collapse
|
33
|
Mi L, Huang L, Li J, Xu G, Wu Q, Wang W. A fluidic circuit based, high-efficiency and large-scale single cell trap. LAB ON A CHIP 2016; 16:4507-4511. [PMID: 27747339 DOI: 10.1039/c6lc01120a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Single cell traps have important applications in biological cell manipulation and analysis. This paper describes a novel single cell trap design and device with a matrix of cell trap units inspired by an equivalent resistive electric circuit. This fluidic device follows the least flow resistance path principle of such devices allowing deterministic single cell trapping with high efficiency and flexibility for large scale cell patterning.
Collapse
Affiliation(s)
- Lu Mi
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua University, Beijing, China.
| | - Liang Huang
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua University, Beijing, China.
| | - Junxiang Li
- School of life sciences, Tsinghua University, Beijing, China
| | - Guoqiang Xu
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua University, Beijing, China.
| | - Qiong Wu
- School of life sciences, Tsinghua University, Beijing, China
| | - Wenhui Wang
- State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua University, Beijing, China.
| |
Collapse
|
34
|
Abstract
Analysis of individual cells at the subcellular level is important for understanding diseases and accelerating drug discovery. Nanoscale endoscopes allow minimally invasive probing of individual cell interiors. Several such instruments have been presented previously, but they are either too complex to fabricate or require sophisticated external detectors because of low signal collection efficiency. Here we present a nanoendoscope that can locally excite fluorescence in labelled cell organelles and collect the emitted signal for spectral analysis. Finite Difference Time Domain (FDTD) simulations have shown that with an optimized nanoendoscope taper profile, the light emission and collection was localized within ~100 nm. This allows signal detection to be used for nano-photonic sensing of the proximity of fluorophores. Upon insertion into the individual organelles of living cells, the nanoendoscope was fabricated and resultant fluorescent signals collected. This included the signal collection from the nucleus of Acridine orange labelled human fibroblast cells, the nucleus of Hoechst stained live liver cells and the mitochondria of MitoTracker Red labelled MDA-MB-231 cells. The endoscope was also inserted into a live organism, the yellow fluorescent protein producing nematode Caenorhabditis elegans, and a fluorescent signal was collected. To our knowledge this is the first demonstration of in vivo, local fluorescence signal collection on the sub-organelle level.
Collapse
|
35
|
Cunha-Matos CA, Millington OR, Wark AW, Zagnoni M. Real-time assessment of nanoparticle-mediated antigen delivery and cell response. LAB ON A CHIP 2016; 16:3374-3381. [PMID: 27455884 DOI: 10.1039/c6lc00599c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Nanomaterials are increasingly being developed for applications in biotechnology, including the delivery of therapeutic drugs and of vaccine antigens. However, there is a lack of screening systems that can rapidly assess the dynamics of nanoparticle uptake and their consequential effects on cells. Established in vitro approaches are often carried out on a single time point, rely on time-consuming bulk measurements and are based primarily on populations of cell lines. As such, these procedures provide averaged results, do not guarantee precise control over the delivery of nanoparticles to cells and cannot easily generate information about the dynamics of nanoparticle-cell interactions and/or nanoparticle-mediated compound delivery. Combining microfluidics and nanotechnology with imaging techniques, we present a microfluidic platform to monitor nanoparticle uptake and intracellular processing in real-time and at the single-cell level. As proof-of-concept application, the potential of such a system for understanding nanovaccine delivery and processing was investigated and we demonstrate controlled delivery of ovalbumin-conjugated gold nanorods to primary dendritic cells. Using time-lapse microscopy, our approach allowed monitoring of uptake and processing of nanoparticles across a range of concentrations over several hours on hundreds of single-cells. This system represents a novel application of single-cell microfluidics for nanomaterial screening, providing a general platform for studying the dynamics of cell-nanomaterial interactions and representing a cost-saving and time-effective screening tool for many nanomaterial formulations and cell types.
Collapse
Affiliation(s)
- Carlota A Cunha-Matos
- Department of Biomedical Engineering, University of Strathclyde, 106 Rottenrow, Glasgow, G4 0NW, UK
| | - Owain R Millington
- Centre for Biophotonics, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Alastair W Wark
- Centre for Molecular Nanometrology, WestCHEM, Department of Pure and Applied Chemistry, Technology and Innovation Centre, University of Strathclyde, 99 George St, Glasgow, G1 1RD, UK
| | - Michele Zagnoni
- Centre for Microsystems and Photonics, Electronic and Electrical Engineering, University of Strathclyde, 204 George Street, Glasgow, G1 1XW, UK.
| |
Collapse
|
36
|
Creating cellular patterns using genetically engineered, gold- and cell-binding polypeptides. Biointerphases 2016; 11:021009. [PMID: 27233531 DOI: 10.1116/1.4952452] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Patterning cells on material surfaces is an important tool for the study of fundamental cell biology, tissue engineering, and cell-based bioassays. Here, the authors report a simple approach to pattern cells on gold patterned silicon substrates with high precision, fidelity, and stability. Cell patterning is achieved by exploiting adsorbed biopolymer orientation to either enhance (gold regions) or impede (silicon oxide regions) cell adhesion at particular locations on the patterned surface. Genetic incorporation of gold binding domains enables C-terminal chemisorption of polypeptides onto gold regions with enhanced accessibility of N-terminal cell binding domains. In contrast, the orientation of polypeptides adsorbed on the silicon oxide regions limit the accessibility of the cell binding domains. The dissimilar accessibility of cell binding domains on the gold and silicon oxide regions directs the cell adhesion in a spatially controlled manner in serum-free medium, leading to the formation of well-defined cellular patterns. The cells are confined within the polypeptide-modified gold regions and are viable for eight weeks, suggesting that bioactive polypeptide modified surfaces are suitable for long-term maintenance of patterned cells. This study demonstrates an innovative surface-engineering approach for cell patterning by exploiting distinct ligand accessibility on heterogeneous surfaces.
Collapse
|
37
|
Microfluidic single-cell transcriptional analysis rationally identifies novel surface marker profiles to enhance cell-based therapies. Nat Commun 2016; 7:11945. [PMID: 27324848 PMCID: PMC5512622 DOI: 10.1038/ncomms11945] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 05/16/2016] [Indexed: 12/17/2022] Open
Abstract
Current progenitor cell therapies have only modest efficacy, which has limited their clinical adoption. This may be the result of a cellular heterogeneity that decreases the number of functional progenitors delivered to diseased tissue, and prevents correction of underlying pathologic cell population disruptions. Here, we develop a high-resolution method of identifying phenotypically distinct progenitor cell subpopulations via single-cell transcriptional analysis and advanced bioinformatics. When combined with high-throughput cell surface marker screening, this approach facilitates the rational selection of surface markers for prospective isolation of cell subpopulations with desired transcriptional profiles. We establish the usefulness of this platform in costly and highly morbid diabetic wounds by identifying a subpopulation of progenitor cells that is dysfunctional in the diabetic state, and normalizes diabetic wound healing rates following allogeneic application. We believe this work presents a logical framework for the development of targeted cell therapies that can be customized to any clinical application. Unrecognized progenitor cell perturbations underlying a disease state may limit the efficacy of cell therapies. Here, the authors use high-throughput, single-cell transcriptional analysis to identify disease-specific cellular alterations and prospectively isolate restorative cell subpopulations.
Collapse
|
38
|
Lussier F, Brulé T, Vishwakarma M, Das T, Spatz JP, Masson JF. Dynamic-SERS Optophysiology: A Nanosensor for Monitoring Cell Secretion Events. NANO LETTERS 2016; 16:3866-71. [PMID: 27172291 DOI: 10.1021/acs.nanolett.6b01371] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
We monitored metabolite secretion near living cells using a plasmonic nanosensor. The nanosensor created from borosilicate nanopipettes analogous to the patch clamp was decorated with Au nanoparticles and served as a surface-enhanced Raman scattering (SERS) substrate with addressable location. With this nanosensor, we acquired SERS locally near Madin-Darby canine kidney (MDCKII) epithelial cells, and we detected multiple metabolites, such as pyruvate, lactate, ATP, and urea simultaneously. These plasmonic nanosensors were capable of monitoring metabolites in the extracellular medium with enough sensitivity to detect an increase in metabolite concentration following the lyses of MDCKII cells with a nonionic surfactant. The plasmonic nanosensors also allowed a relative quantification of a chemical gradient for a metabolite near cells, as demonstrated with a decrease in relative lactate to pyruvate concentration further away from the MDCKII cells. This SERS optophysiology technique for the sensitive and nondestructive monitoring of extracellular metabolites near living cells is broadly applicable to different cellular and tissue models and should therefore provide a powerful tool for cellular studies.
Collapse
Affiliation(s)
- Félix Lussier
- Department of Chemistry, Université de Montréal , C.P. 6128 Succ. Centre-Ville, Montreal, Quebec, H3C 3J7 Canada
| | - Thibault Brulé
- Department of Chemistry, Université de Montréal , C.P. 6128 Succ. Centre-Ville, Montreal, Quebec, H3C 3J7 Canada
| | - Medhavi Vishwakarma
- Max Planck Institute for Medical Research , Department of Biointerface Science & Technology, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Tamal Das
- Max Planck Institute for Medical Research , Department of Biointerface Science & Technology, Jahnstraße 29, 69120 Heidelberg, Germany
| | - Joachim P Spatz
- Max Planck Institute for Medical Research , Department of Biointerface Science & Technology, Jahnstraße 29, 69120 Heidelberg, Germany
- Department of Biophysical Chemistry, University of Heidelberg , INF 253, D-69120 Heidelberg, Germany
| | - Jean-François Masson
- Department of Chemistry, Université de Montréal , C.P. 6128 Succ. Centre-Ville, Montreal, Quebec, H3C 3J7 Canada
- Centre for Self-Assembled Chemical Structures (CSACS) , 801 Sherbrooke St. West, Montreal, Quebec, H3A 2K6 Canada
| |
Collapse
|
39
|
Jo Y, Shen F, Hahn YK, Park JH, Park JK. Magnetophoretic Sorting of Single Cell-Containing Microdroplets. MICROMACHINES 2016; 7:mi7040056. [PMID: 30407429 PMCID: PMC6190288 DOI: 10.3390/mi7040056] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 03/23/2016] [Accepted: 03/28/2016] [Indexed: 11/16/2022]
Abstract
Droplet microfluidics is a promising tool for single-cell analysis since single cell can be comparted inside a tiny volume. However, droplet encapsulation of single cells still remains a challenging issue due to the low ratio of droplets containing single cells. Here, we introduce a simple and robust single cell sorting platform based on a magnetophoretic method using monodisperse magnetic nanoparticles (MNPs) and droplet microfluidics with >94% purity. There is an approximately equal amount of MNPs in the same-sized droplet, which has the same magnetic force under the magnetic field. However, the droplets containing single cells have a reduced number of MNPs, as much as the volume of the cell inside the droplet, resulting in a low magnetic force. Based on this simple principle, this platform enables the separation of single cell-encapsulated droplets from the droplets with no cells. Additionally, this device uses only a permanent magnet without any complex additional apparatus; hence, this new platform can be integrated into a single cell analysis system considering its effectiveness and convenience.
Collapse
Affiliation(s)
- Younggeun Jo
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Fengshan Shen
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Young Ki Hahn
- Samsung Electronics, 4 Seocho-daero 74-gil, Seocho-gu, Seoul 06620, Republic of Korea.
| | - Ji-Ho Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Je-Kyun Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| |
Collapse
|
40
|
Rennert RC, Schäfer R, Bliss T, Januszyk M, Sorkin M, Achrol AS, Rodrigues M, Maan ZN, Kluba T, Steinberg GK, Gurtner GC. High-Resolution Microfluidic Single-Cell Transcriptional Profiling Reveals Clinically Relevant Subtypes among Human Stem Cell Populations Commonly Utilized in Cell-Based Therapies. Front Neurol 2016; 7:41. [PMID: 27047447 PMCID: PMC4801858 DOI: 10.3389/fneur.2016.00041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 03/10/2016] [Indexed: 12/21/2022] Open
Abstract
Stem cell therapies can promote neural repair and regeneration, yet controversy regarding optimal cell source and mechanism of action has slowed clinical translation, potentially due to undefined cellular heterogeneity. Single-cell resolution is needed to identify clinically relevant subpopulations with the highest therapeutic relevance. We combine single-cell microfluidic analysis with advanced computational modeling to study for the first time two common sources for cell-based therapies, human NSCs and MSCs. This methodology has the potential to logically inform cell source decisions for any clinical application.
Collapse
Affiliation(s)
- Robert C Rennert
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Richard Schäfer
- Department of Neurosurgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Tonya Bliss
- Department of Neurosurgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Michael Januszyk
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Michael Sorkin
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Achal S Achrol
- Department of Neurosurgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Melanie Rodrigues
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Zeshaan N Maan
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Torsten Kluba
- Department of Orthopedics, University Hospital Tübingen , Tübingen , Germany
| | - Gary K Steinberg
- Department of Neurosurgery, Stanford University School of Medicine , Stanford, CA , USA
| | - Geoffrey C Gurtner
- Department of Surgery, Stanford University School of Medicine , Stanford, CA , USA
| |
Collapse
|
41
|
Poovathingal SK, Kravchenko-Balasha N, Shin YS, Levine RD, Heath JR. Critical Points in Tumorigenesis: A Carcinogen-Initiated Phase Transition Analyzed via Single-Cell Proteomics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:1425-31. [PMID: 26780498 PMCID: PMC4886749 DOI: 10.1002/smll.201501178] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 11/09/2015] [Indexed: 05/06/2023]
Abstract
A kinetic, single-cell proteomic study of chemically induced carcinogenesis is interpreted by treating the single-cell data as fluctuations of an open system transitioning between different steady states. In analogy to a first-order transition, phase coexistence and the loss of degrees of freedom are observed. The transition is detected well before the appearance of the traditional biomarker of the carcinogenic transformation.
Collapse
Affiliation(s)
- Suresh Kumar Poovathingal
- Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 127-72, 1200 E. California Blvd, Pasadena, CA, 91125, USA
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, L-4362, Luxembourg
| | - Nataly Kravchenko-Balasha
- Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 127-72, 1200 E. California Blvd, Pasadena, CA, 91125, USA
- Department of Bio-Medical Sciences, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, 91120, Israel
| | - Young Shik Shin
- Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 127-72, 1200 E. California Blvd, Pasadena, CA, 91125, USA
| | - Raphael David Levine
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - James R Heath
- Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 127-72, 1200 E. California Blvd, Pasadena, CA, 91125, USA
| |
Collapse
|
42
|
Kumar R, Weigel S, Meyer R, Niemeyer CM, Fuchs H, Hirtz M. Multi-color polymer pen lithography for oligonucleotide arrays. Chem Commun (Camb) 2016; 52:12310-12313. [DOI: 10.1039/c6cc07087f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Multi-color patterning by polymer pen lithography (PPL) was used to fabricate covalently immobilized fluorophore and oligonucleotide arrays with up to five different components. These can easily be translated for presentation of multiple protein types to a single cell.
Collapse
Affiliation(s)
- R. Kumar
- Institute of Nanotechnology (INT) & Karlsruhe Nano Micro Facility (KNMF)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Physical Institute & Center for Nanotechnology (CeNTech)
| | - S. Weigel
- Institute of Biological Interfaces (IBG-1)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - R. Meyer
- Institute of Biological Interfaces (IBG-1)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - C. M. Niemeyer
- Institute of Biological Interfaces (IBG-1)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - H. Fuchs
- Institute of Nanotechnology (INT) & Karlsruhe Nano Micro Facility (KNMF)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Physical Institute & Center for Nanotechnology (CeNTech)
| | - M. Hirtz
- Institute of Nanotechnology (INT) & Karlsruhe Nano Micro Facility (KNMF)
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| |
Collapse
|
43
|
Appleby PA, Shabir S, Southgate J, Walker D. Sources of variability in cytosolic calcium transients triggered by stimulation of homogeneous uro-epithelial cell monolayers. J R Soc Interface 2015; 12:rsif.2014.1403. [PMID: 25694543 PMCID: PMC4387530 DOI: 10.1098/rsif.2014.1403] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Epithelial tissue structure is the emergent outcome of the interactions between large numbers of individual cells. Experimental cell biology offers an important tool to unravel these complex interactions, but current methods of analysis tend to be limited to mean field approaches or representation by selected subsets of cells. This may result in bias towards cells that respond in a particular way and/or neglect local, context-specific cell responses. Here, an automated algorithm was applied to examine in detail the individual calcium transients evoked in genetically homogeneous, but asynchronous populations of cultured non-immortalized normal human urothelial cells when subjected to either the global application of an external agonist or a localized scratch wound. The recorded calcium transients were classified automatically according to a set of defined metrics and distinct sub-populations of cells that responded in qualitatively different ways were observed. The nature of this variability in the homogeneous cell population was apportioned to two sources: intrinsic variation in individual cell responses and extrinsic variability due to context-specific factors of the environment, such as spatial heterogeneity. Statistically significant variation in the features of the calcium transients evoked by scratch wounding according to proximity to the wound edge was identified. The manifestation of distinct sub-populations of cells is considered central to the coordination of population-level response resulting in wound closure.
Collapse
Affiliation(s)
- Peter A Appleby
- Department of Computer Science/INSIGNEO Institute for In Silico Medicine, University of Sheffield, Sheffield, UK
| | - Saqib Shabir
- Jack Birch Unit for Molecular Carcinogenesis, Department of Biology, University of York, York, UK
| | - Jennifer Southgate
- Jack Birch Unit for Molecular Carcinogenesis, Department of Biology, University of York, York, UK
| | - Dawn Walker
- Department of Computer Science/INSIGNEO Institute for In Silico Medicine, University of Sheffield, Sheffield, UK
| |
Collapse
|
44
|
Co-fabrication of chitosan and epoxy photoresist to form microwell arrays with permeable hydrogel bottoms. Biomaterials 2015; 74:77-88. [PMID: 26447557 DOI: 10.1016/j.biomaterials.2015.09.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 09/20/2015] [Accepted: 09/23/2015] [Indexed: 12/26/2022]
Abstract
Microfabrication technology offers the potential to create biological platforms with customizable patterns and surface chemistries, allowing precise control over the biochemical microenvironment to which a cell or group of cells is exposed. However, most microfabricated platforms grow cells on impermeable surfaces. This report describes the co-fabrication of a micropatterned epoxy photoresist film with a chitosan film to create a freestanding array of permeable, hydrogel-bottomed microwells. These films possess optical properties ideal for microscopy applications, and the chitosan layers are semi-permeable with a molecular exclusion of 9.9 ± 2.1 kDa. By seeding cells into the microwells, overlaying inert mineral oil, and supplying media via the bottom surface, this hybrid film permits cells to be physically isolated from one another but maintained in culture for at least 4 days. Arrays co-fabricated using these materials reduce both large-molecular-weight biochemical crosstalk between cells and mixing of different clonal populations, and will enable high-throughput studies of cellular heterogeneity with increased ability to customize dynamic interrogations compared to materials in currently available technologies.
Collapse
|
45
|
|
46
|
Dittrich P, Ibáñez AJ. Analysis of metabolites in single cells-what is the best micro-platform? Electrophoresis 2015; 36:2196-2206. [PMID: 25929796 DOI: 10.1002/elps.201500045] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 04/04/2015] [Accepted: 04/04/2015] [Indexed: 11/11/2022]
Abstract
This review covers new innovations and developments in the field of single-cell level analysis of metabolites, involving the role of microfluidic and microarray platforms to manipulate and handle the cells prior their detection. Microfluidic and microarray platforms have shown great promise. The latest developments demonstrate their potential to identify a particular cell or even an ensemble of cells (sharing a common property or phenotype) that co-exist in a much larger cell population. The reason for this is the capability of these platforms to perform several complex analytical processes, such as: cleanup, sorting, derivatization, separation, and detection, with great robustness, speed, and reduced sample/reagent consumption. Here, we present several examples that illustrate the rapid strides that have been made for the routine analysis of metabolites by coupling different microfluidics and microarrays devices to a wide range of analytical detectors (e.g. fluorescent microscopy, electrochemical, and mass spectrometry). Herein, we also present selected examples detailing the use of microfluidics and microarrays in the visualization of the natural occurring cell-to-cell heterogeneity in isogenic populations, in particular during the response to external cues. The possibility to accurate monitor the cell-to-cell heterogeneity based on different levels of key metabolites is of clinical relevance, since cell-to-cell heterogeneity can influence, for example, the outcome of a drug treatment.
Collapse
Affiliation(s)
- Petra Dittrich
- ETH Zurich - Chemie und Angewandte Biowissenschaften, Wolfgang-Pauli-Str. 10, Zurich, 8093, Switzerland
| | - Alfredo J Ibáñez
- ETH Zurich - Department of Chemistry and Applied Biosciences, Vladimir-Prelog-weg 3, Zurich, 8093, Switzerland
| |
Collapse
|
47
|
Anand RK, Johnson ES, Chiu DT. Negative dielectrophoretic capture and repulsion of single cells at a bipolar electrode: the impact of faradaic ion enrichment and depletion. J Am Chem Soc 2015; 137:776-83. [PMID: 25562315 DOI: 10.1021/ja5102689] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This paper describes the dielectrophoretic (DEP) forces generated by a bipolar electrode (BPE) in a microfluidic device and elucidates the impact of faradaic ion enrichment and depletion (FIE and FID) on electric field gradients. DEP technologies for manipulating biological cells provide several distinct advantages over other cell-handling techniques including label-free selectivity, inexpensive device components, and amenability to single-cell and array-based applications. However, extension to the array format is nontrivial, and DEP forces are notoriously short-range, limiting device dimensions and throughput. BPEs present an attractive option for DEP because of the ease with which they can be arrayed. Here, we present experimental results demonstrating both negative DEP (nDEP) attraction and repulsion of B-cells from each a BPE cathode and anode. The direction of nDEP force in each case was determined by whether the conditions for FIE or FID were chosen in the experimental design. We conclude that FIE and FID zones generated by BPEs can be exploited to shape and extend the electric field gradients that are responsible for DEP force.
Collapse
Affiliation(s)
- Robbyn K Anand
- Department of Chemistry, University of Washington , Seattle, Washington 98195, United States
| | | | | |
Collapse
|
48
|
Jin D, Deng B, Li JX, Cai W, Tu L, Chen J, Wu Q, Wang WH. A microfluidic device enabling high-efficiency single cell trapping. BIOMICROFLUIDICS 2015; 9:014101. [PMID: 25610513 PMCID: PMC4288539 DOI: 10.1063/1.4905428] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 12/22/2014] [Indexed: 05/03/2023]
Abstract
Single cell trapping increasingly serves as a key manipulation technique in single cell analysis for many cutting-edge cell studies. Due to their inherent advantages, microfluidic devices have been widely used to enable single cell immobilization. To further improve the single cell trapping efficiency, this paper reports on a passive hydrodynamic microfluidic device based on the "least flow resistance path" principle with geometry optimized in line with corresponding cell types. Different from serpentine structure, the core trapping structure of the micro-device consists of a series of concatenated T and inverse T junction pairs which function as bypassing channels and trapping constrictions. This new device enhances the single cell trapping efficiency from three aspects: (1) there is no need to deploy very long or complicated channels to adjust flow resistance, thus saving space for each trapping unit; (2) the trapping works in a "deterministic" manner, thus saving a great deal of cell samples; and (3) the compact configuration allows shorter flowing path of cells in multiple channels, thus increasing the speed and throughput of cell trapping. The mathematical model of the design was proposed and optimization of associated key geometric parameters was conducted based on computational fluid dynamics (CFD) simulation. As a proof demonstration, two types of PDMS microfluidic devices were fabricated to trap HeLa and HEK-293T cells with relatively significant differences in cell sizes. Experimental results showed 100% cell trapping and 90% single cell trapping over 4 × 100 trap sites for these two cell types, respectively. The space saving is estimated to be 2-fold and the cell trapping speed enhancement to be 3-fold compared to previously reported devices. This device can be used for trapping various types of cells and expanded to trap cells in the order of tens of thousands on 1-cm(2) scale area, as a promising tool to pattern large-scale single cells on specific substrates and facilitate on-chip cellular assay at the single cell level.
Collapse
Affiliation(s)
- D Jin
- Department of Precision Instruments, Tsinghua University , Beijing, China
| | - B Deng
- Institute of Electronics , Chinese Academy of Sciences, Beijing, China
| | - J X Li
- School of Life Sciences, Tsinghua University , Beijing, China
| | - W Cai
- North Navigation Control Technology Co., Ltd. , Beijing, China
| | - L Tu
- Department of Precision Instruments, Tsinghua University , Beijing, China
| | - J Chen
- Institute of Electronics , Chinese Academy of Sciences, Beijing, China
| | - Q Wu
- School of Life Sciences, Tsinghua University , Beijing, China
| | - W H Wang
- Department of Precision Instruments, Tsinghua University , Beijing, China
| |
Collapse
|
49
|
Sekhavati F, Endele M, Rappl S, Marel AK, Schroeder T, Rädler JO. Marker-free detection of progenitor cell differentiation by analysis of Brownian motion in micro-wells. Integr Biol (Camb) 2014; 7:178-83. [PMID: 25514157 DOI: 10.1039/c4ib00158c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The kinetics of stem and progenitor cell differentiation at the single-cell level provides essential clues to the complexity of the underlying decision-making circuits. In many hematopoietic progenitor cells, differentiation is accompanied by the expression of lineage-specific markers and by a transition from a non-adherent to an adherent state. Here, using the granulocyte-macrophage progenitor (GMP) as a model, we introduce a label-free approach that allows one to follow the course of this transition in hundreds of single cells in parallel. We trap single cells in patterned arrays of micro-wells and use phase-contrast time-lapse movies to distinguish non-adherent from adherent cells by an analysis of Brownian motion. This approach allowed us to observe the kinetics of induced differentiation of primary bone-marrow-derived GMPs into macrophages. The time lapse started 2 hours after addition of the cytokine M-CSF, and nearly 80% of the population had accomplished the transition within the first 20 h. The analysis of Brownian motion proved to be a sensitive and robust tool for monitoring the transition, and thus provides a high-throughput method for the study of cell differentiation at the single-cell level.
Collapse
Affiliation(s)
- Farzad Sekhavati
- Faculty of Physics and Center for NanoScience, Ludwig-Maximilians-University, Munich, Germany.
| | | | | | | | | | | |
Collapse
|
50
|
Benavente-Babace A, Gallego-Pérez D, Hansford D, Arana S, Pérez-Lorenzo E, Mujika M. Single-cell trapping and selective treatment via co-flow within a microfluidic platform. Biosens Bioelectron 2014; 61:298-305. [DOI: 10.1016/j.bios.2014.05.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 05/13/2014] [Accepted: 05/15/2014] [Indexed: 10/25/2022]
|