101
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Haque F, Li J, Wu HC, Liang XJ, Guo P. Solid-State and Biological Nanopore for Real-Time Sensing of Single Chemical and Sequencing of DNA. NANO TODAY 2013; 8:56-74. [PMID: 23504223 PMCID: PMC3596169 DOI: 10.1016/j.nantod.2012.12.008] [Citation(s) in RCA: 227] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Sensitivity and specificity are two most important factors to take into account for molecule sensing, chemical detection and disease diagnosis. A perfect sensitivity is to reach the level where a single molecule can be detected. An ideal specificity is to reach the level where the substance can be detected in the presence of many contaminants. The rapidly progressing nanopore technology is approaching this threshold. A wide assortment of biomotors and cellular pores in living organisms perform diverse biological functions. The elegant design of these transportation machineries has inspired the development of single molecule detection based on modulations of the individual current blockage events. The dynamic growth of nanotechnology and nanobiotechnology has stimulated rapid advances in the study of nanopore based instrumentation over the last decade, and inspired great interest in sensing of single molecules including ions, nucleotides, enantiomers, drugs, and polymers such as PEG, RNA, DNA, and polypeptides. This sensing technology has been extended to medical diagnostics and third generation high throughput DNA sequencing. This review covers current nanopore detection platforms including both biological pores and solid state counterparts. Several biological nanopores have been studied over the years, but this review will focus on the three best characterized systems including α-hemolysin and MspA, both containing a smaller channel for the detection of single-strand DNA, as well as bacteriophage phi29 DNA packaging motor connector that contains a larger channel for the passing of double stranded DNA. The advantage and disadvantage of each system are compared; their current and potential applications in nanomedicine, biotechnology, and nanotechnology are discussed.
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Affiliation(s)
- Farzin Haque
- Nanobiotechnology Center, Markey Cancer Center and Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536, USA
| | - Jinghong Li
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Beijing 100084, China
| | - Hai-Chen Wu
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Xing-Jie Liang
- Laboratory of Nanomedicine and Nanosafety, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Peixuan Guo
- Nanobiotechnology Center, Markey Cancer Center and Department of Pharmaceutical Sciences, University of Kentucky, Lexington, KY 40536, USA
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102
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Frese D, Steltenkamp S, Schmitz S, Steinem C. In situ generation of electrochemical gradients across pore-spanning membranes. RSC Adv 2013. [DOI: 10.1039/c3ra42723d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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103
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Miles BN, Ivanov AP, Wilson KA, Doğan F, Japrung D, Edel JB. Single molecule sensing with solid-state nanopores: novel materials, methods, and applications. Chem Soc Rev 2013; 42:15-28. [DOI: 10.1039/c2cs35286a] [Citation(s) in RCA: 362] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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104
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Abstract
MicroRNAs (miRNAs) are a class of tiny noncoding RNAs that play an important role in regulating every aspect of cellular activities. Dysfunctional expression of miRNAs disrupts normal biological processes, leading to the development of various diseases including cancer. Circulating miRNAs are being investigated as biomarkers with a potential for noninvasive disease detection. This demands the development of new technologies to accurately detect miRNAs with short assay time and affordable cost. We have proposed a nanopore single-molecule method for accurate, label-free detection of circulating miRNAs without amplification of the target miRNA. This concise protocol describes how to device a protein nanopore to quantify target miRNAs in RNA extraction, and discusses at the end the advantages, challenges, and broad impact of the nanopore approach for miRNA detection.
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Affiliation(s)
- Li-Qun Gu
- Biological Engineering and Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, USA
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105
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Oukhaled A, Bacri L, Pastoriza-Gallego M, Betton JM, Pelta J. Sensing proteins through nanopores: fundamental to applications. ACS Chem Biol 2012; 7:1935-49. [PMID: 23145870 DOI: 10.1021/cb300449t] [Citation(s) in RCA: 134] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Proteins subjected to an electric field and forced to pass through a nanopore induce blockades of ionic current that depend on the protein and nanopore characteristics and interactions between them. Recent advances in the analysis of these blockades have highlighted a variety of phenomena that can be used to study protein translocation and protein folding, to probe single-molecule catalytic reactions in order to obtain kinetic and thermodynamic information, and to detect protein-antibody complexes, proteins with DNA and RNA aptamers, and protein-pore interactions. Nanopore design is now well controlled, allowing the development of future biotechnologies and medicine applications.
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Affiliation(s)
- Abdelghani Oukhaled
- CNRS-UMR 8587,
LAMBE, Université de Cergy-Pontoise et Université d’Evry, France
| | - Laurent Bacri
- CNRS-UMR 8587,
LAMBE, Université de Cergy-Pontoise et Université d’Evry, France
| | | | - Jean-Michel Betton
- Unité de Microbiologie
Structurale, CNRS-URA 3528, Institut Pasteur, France
| | - Juan Pelta
- CNRS-UMR 8587,
LAMBE, Université de Cergy-Pontoise et Université d’Evry, France
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106
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Maitra RD, Kim J, Dunbar WB. Recent advances in nanopore sequencing. Electrophoresis 2012; 33:3418-28. [PMID: 23138639 PMCID: PMC3804109 DOI: 10.1002/elps.201200272] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 06/29/2012] [Accepted: 07/09/2012] [Indexed: 11/05/2022]
Abstract
The prospect of nanopores as a next-generation sequencing platform has been a topic of growing interest and considerable government-sponsored research for more than a decade. Oxford Nanopore Technologies recently announced the first commercial nanopore sequencing devices, to be made available by the end of 2012, while other companies (Life, Roche, and IBM) are also pursuing nanopore sequencing approaches. In this paper, the state of the art in nanopore sequencing is reviewed, focusing on the most recent contributions that have or promise to have next-generation sequencing commercial potential. We consider also the scalability of the circuitry to support multichannel arrays of nanopores in future sequencing devices, which is critical to commercial viability.
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107
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Abstract
Lipid bilayers are natural barriers of biological cells and cellular compartments. Membrane proteins integrated in biological membranes enable vital cell functions such as signal transduction and the transport of ions or small molecules. In order to determine the activity of a protein of interest at defined conditions, the membrane protein has to be integrated into artificial lipid bilayers immobilized on a surface. For the fabrication of such biosensors expertise is required in material science, surface and analytical chemistry, molecular biology and biotechnology. Specifically, techniques are needed for structuring surfaces in the micro- and nanometer scale, chemical modification and analysis, lipid bilayer formation, protein expression, purification and solubilization, and most importantly, protein integration into engineered lipid bilayers. Electrochemical and optical methods are suitable to detect membrane activity-related signals. The importance of structural knowledge to understand membrane protein function is obvious. Presently only a few structures of membrane proteins are solved at atomic resolution. Functional assays together with known structures of individual membrane proteins will contribute to a better understanding of vital biological processes occurring at biological membranes. Such assays will be utilized in the discovery of drugs, since membrane proteins are major drug targets.
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108
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Nanopore sensors: From hybrid to abiotic systems. Biosens Bioelectron 2012; 38:1-10. [DOI: 10.1016/j.bios.2012.05.013] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Revised: 05/02/2012] [Accepted: 05/12/2012] [Indexed: 11/22/2022]
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109
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Boersma AJ, Bayley H. Continuous stochastic detection of amino acid enantiomers with a protein nanopore. Angew Chem Int Ed Engl 2012; 51:9606-9. [PMID: 22930401 DOI: 10.1002/anie.201205687] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Indexed: 11/07/2022]
Affiliation(s)
- Arnold J Boersma
- Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
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110
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Boersma AJ, Bayley H. Continuous Stochastic Detection of Amino Acid Enantiomers with a Protein Nanopore. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205687] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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111
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El-Arabi AM, Salazar CS, Schmidt JJ. Ion channel drug potency assay with an artificial bilayer chip. LAB ON A CHIP 2012; 12:2409-2413. [PMID: 22549308 DOI: 10.1039/c2lc40087a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The potency of pharmaceutical compounds acting on ion channels can be determined through measurements of ion channel conductance as a function of compound concentration. We have developed an artificial lipid bilayer chip for simple, fast, and high-yield measurement of ion channel conductance with simultaneous solution perfusion. Here we show the application of this chip to the measurement of the mammalian cold and menthol receptor TRPM8. Ensemble measurements of TRPM8 as a function of concentration of menthol and 2-aminoethoxydiphenyl borate (2-APB) enabled efficient determination of menthol's EC(50) (111.8 μM ± 2.4 μM) and 2-APB's IC(50) (4.9 μM ± 0.2 μM) in agreement with published values. This validation, coupled with the compatibility of this platform with automation and parallelization, indicates significant potential for large-scale pharmaceutical ion channel screening.
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Affiliation(s)
- Ahmad M El-Arabi
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
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112
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Bayley H. Are we there yet?: Comment on "Nanopores: A journey towards DNA sequencing" by Meni Wanunu. Phys Life Rev 2012; 9:161-3; discussion 174-6. [PMID: 22652072 DOI: 10.1016/j.plrev.2012.05.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Accepted: 05/15/2012] [Indexed: 11/24/2022]
Affiliation(s)
- Hagan Bayley
- Department of Chemistry, University of Oxford, Oxford OX1 3TA, England, UK.
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113
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Bessonov A, Takemoto JY, Simmel FC. Probing DNA-lipid membrane interactions with a lipopeptide nanopore. ACS NANO 2012; 6:3356-3363. [PMID: 22424398 DOI: 10.1021/nn3003696] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Association of DNA molecules with lipid bilayer membranes is of considerable interest for a large variety of applications in biotechnology. Here we introduce syringomycin E (SRE), a small pore-forming lipopeptide produced by the bacterium Pseudomonas syringae, as a facile sensor for the detection of DNA interactions with lipid membranes. SRE forms highly reproducible pores in cellular and artificial membranes. The pore structure involves bilayer lipids, which have a pronounced influence on open channel conductance and gating. SRE channels act as ionic diodes that serve as current rectifiers sensitive to the charge of the bilayer. We employ this intrinsic property to electronically monitor the association of DNA molecules with the membrane in a variety of different settings. We show that SRE can be used for quantitatively probing electrostatic interactions of DNA and DNA-cholesterol conjugates with a lipid membrane. Furthermore, we demonstrate that SRE channels allow monitoring of hybridization reactions between lipid-anchored probe strands and complementary strands in solution. In the presence of double-stranded DNA, SRE channels display a particularly high degree of rectification. Finally, the formation of multilayered structures assembled from poly-(L)-lysine and DNA oligonucleotides on the membrane was precisely monitored with SRE.
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Affiliation(s)
- Andrey Bessonov
- Physics Department E14 and ZNN/WSI, Technische Universität München, Am Coulombwall 4a, 85748, Garching, Germany.
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114
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Farre C, Fertig N. HTS techniques for patch clamp-based ion channel screening – advances and economy. Expert Opin Drug Discov 2012; 7:515-24. [DOI: 10.1517/17460441.2012.682056] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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