1
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Hunt JP, Free TJ, Galiardi J, Watt KM, Wood DW, Bundy BC. Streamlining the Detection of Human Thyroid Receptor Ligand Interactions with XL1-Blue Cell-Free Protein Synthesis and Beta-Galactosidase Fusion Protein Biosensors. Life (Basel) 2023; 13:1972. [PMID: 37895354 PMCID: PMC10608756 DOI: 10.3390/life13101972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/29/2023] Open
Abstract
Thyroid receptor signaling controls major physiological processes and disrupted signaling can cause severe disorders that negatively impact human life. Consequently, methods to detect thyroid receptor ligands are of great toxicologic and pharmacologic importance. Previously, we reported thyroid receptor ligand detection with cell-free protein synthesis of a chimeric fusion protein composed of the human thyroid receptor beta (hTRβ) receptor activator and a β-lactamase reporter. Here, we report a 60% reduction in sensing cost by reengineering the chimeric fusion protein biosensor to include a reporter system composed of either the full-length beta galactosidase (β-gal), the alpha fragment of β-gal (β-gal-α), or a split alpha fragment of the β-gal (split β-gal-α). These biosensor constructs are deployed using E. coli XL1-Blue cell extract to (1) avoid the β-gal background activity abundant in BL21 cell extract and (2) facilitate β-gal complementation reporter activity to detect human thyroid receptor ligands. These results constitute a promising platform for high throughput screening and potentially the portable detection of human thyroid receptor ligands.
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Affiliation(s)
- J. Porter Hunt
- Department of Chemical Engineering, Brigham Young University, Provo, UT 84602, USA
| | - Tyler J. Free
- Department of Chemical Engineering, Brigham Young University, Provo, UT 84602, USA
| | - Jackelyn Galiardi
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Kevin M. Watt
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84108, USA
| | - David W. Wood
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Bradley C. Bundy
- Department of Chemical Engineering, Brigham Young University, Provo, UT 84602, USA
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2
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Beabout K, Ehrenworth Breedon AM, Blum SM, Miklos AE, Lux MW, Chávez JL, Goodson MS. Detection of Bile Acids in Complex Matrices Using a Transcription Factor-Based Biosensor. ACS Biomater Sci Eng 2023; 9:5151-5162. [PMID: 36475595 DOI: 10.1021/acsbiomaterials.2c01006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bile acids play an important role in digestion and human health, are found throughout the gastrointestinal tract, and are excreted in feces. Therefore, bile acids are promising biomarkers for monitoring health and detecting fecal contamination in water sources. Here, we engineered a bile acid sensor by expressing the transcription factor BreR, a TetR-like repressor from Vibrio cholorae, in Escherichia coli. The sensor was further optimized by screening a promoter library. To further characterize the BreR sensor and increase its utility, we moved expression to a cell-free expression (CFE) system, resulting in an approximately 3 orders of magnitude increase in deoxycholic acid sensitivity. We next optimized this sensor to detect bile acids in fecal water, wastewater, and serum and transferred the CFE sensor to a paper-based assay to enhance fieldability.
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Affiliation(s)
- Kathryn Beabout
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
- UES, Inc., Dayton, Ohio 45432, United States
| | - Amy M Ehrenworth Breedon
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
- UES, Inc., Dayton, Ohio 45432, United States
| | - Steven M Blum
- U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, Maryland 21010, United States
| | - Aleksandr E Miklos
- U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, Maryland 21010, United States
| | - Matthew W Lux
- U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, Maryland 21010, United States
| | - Jorge L Chávez
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
| | - Michael S Goodson
- 711th Human Performance Wing, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
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3
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Park HJ, Kim Y, Lee KW, Gwon M, Yoon HC, Yoo TH. Coupling hCG-based protease sensors with a commercial pregnancy test strip for simple analyses of protease activities. Biosens Bioelectron 2023; 235:115364. [PMID: 37207580 DOI: 10.1016/j.bios.2023.115364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 04/03/2023] [Accepted: 04/28/2023] [Indexed: 05/21/2023]
Abstract
Proteases play an essential role in many cellular processes, and consequently, abnormalities in their activities are related to various diseases. Methods have been developed to measure the activity of these enzymes, but most involve sophisticated instruments or complicated procedures, which hampers the development of a point-of-care test (POCT). Here, we propose a strategy for developing simple and sensitive methods to analyze protease activity using commercial pregnancy test strips that detect human chorionic gonadotropin (hCG). hCG was engineered to have site-specific conjugated biotin and a peptide sequence, which can be cleaved by a target protease, between hCG and biotin. hCG protein was immobilized on streptavidin-coated beads, resulting in a protease sensor. The hCG-immobilized beads were too large to flow through the membrane of the hCG test strip and yielded only one band in the control line. When the peptide linker was hydrolyzed by the target protease, hCG was released from the beads, and the signal appeared in both the control and test lines. Three protease sensors for matrix metalloproteinase-2, caspase-3, and thrombin were constructed by replacing the protease-cleavable peptide linker. The combination of the protease sensors and a commercial pregnancy strip enabled the specific detection of each protease in the picomolar range, with a 30-min incubation of the hCG-immobilized beads and samples. The modular design of the protease sensor and simple assay procedure will facilitate the development of POCTs for various protease disease markers.
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Affiliation(s)
- Hyeon Ji Park
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea
| | - Yuseon Kim
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea
| | - Kyung Won Lee
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea
| | - Minji Gwon
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea
| | - Hyun C Yoon
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea; Department of Applied Chemistry and Biological Engineering, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea.
| | - Tae Hyeon Yoo
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea; Department of Applied Chemistry and Biological Engineering, Ajou University, 206 World cup-ro, Yengtong-gu, Suwon, 16499, South Korea.
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4
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Lee JH, Song DY, Lim HJ, Kim DM. A Cell-free Protein Synthesis Method for the Detection of Heavy Metal Ions Using a Personal Glucose Meter. BIOTECHNOL BIOPROC E 2023. [DOI: 10.1007/s12257-022-0352-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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5
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Patterson AT, Styczynski MP. Rapid and Finely-Tuned Expression for Deployable Sensing Applications. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2023; 186:141-161. [PMID: 37316621 DOI: 10.1007/10_2023_223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Organisms from across the tree of life have evolved highly efficient mechanisms for sensing molecules of interest using biomolecular machinery that can in turn be quite valuable for the development of biosensors. However, purification of such machinery for use in in vitro biosensors is costly, while the use of whole cells as in vivo biosensors often leads to long sensor response times and unacceptable sensitivity to the chemical makeup of the sample. Cell-free expression systems overcome these weaknesses by removing the requirements associated with maintaining living sensor cells, allowing for increased function in toxic environments and rapid sensor readout at a production cost that is often more reasonable than purification. Here, we focus on the challenge of implementing cell-free protein expression systems that meet the stringent criteria required for them to serve as the basis for field-deployable biosensors. Fine-tuning expression to meet these requirements can be achieved through careful selection of the sensing and output elements, as well as through optimization of reaction conditions via tuning of DNA/RNA concentrations, lysate preparation methods, and buffer conditions. Through careful sensor engineering, cell-free systems can continue to be successfully used for the production of tightly regulated, rapidly expressing genetic circuits for biosensors.
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Affiliation(s)
- Alexandra T Patterson
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Mark P Styczynski
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
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6
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Lee YJ, Lee S, Kim DM. Translational Detection of Indole by Complementary Cell-free Protein Synthesis Assay. Front Bioeng Biotechnol 2022; 10:900162. [PMID: 35646868 PMCID: PMC9136167 DOI: 10.3389/fbioe.2022.900162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 04/28/2022] [Indexed: 11/16/2022] Open
Abstract
The information encoded in a single copy of DNA is processed into a plethora of protein molecules via the cascade of transcription and translation. Thus, the molecular process of gene expression can be considered an efficient biological amplifier from the viewpoint of synthetic biology. Cell-free protein synthesis (CFPS) enables the implementation of this amplification module for in vitro analysis of important biomolecules and avoids many of the problems associated with whole cell-based approaches. Here, we developed a method to analyze indole by using a combination of enzymatic conversion of indole and amino acid-dependent CFPS. In this method, indole molecules in the assay sample are used to generate tryptophan, which is incorporated into signal-generating proteins in the subsequent cell-free synthesis reaction. The activity of cell-free synthesized proteins was successfully used to estimate the indole concentration in the assay sample. In principle, the developed method could be extended to analyses of other important bioactive compounds.
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Affiliation(s)
- You Jin Lee
- Department of Chemical Engineering and Applied Chemistry, Daejeon, Korea
| | - Soojin Lee
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon, Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Daejeon, Korea
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7
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Li T, Pan R, Wen Y, Xu J, Zhang L, He S, Liang G. A Simple and Universal Nucleic Acid Assay Platform Based on Personal Glucose Meter Using SARS-CoV-2 N Gene as the Model. BIOSENSORS 2022; 12:bios12040249. [PMID: 35448309 PMCID: PMC9025369 DOI: 10.3390/bios12040249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 12/02/2022]
Abstract
A simple, selective, and quantitative platform for point-of-care diagnostic of COVID-19 is urgently needed as a complement in areas where resources are currently relatively scarce. To meet the needs of early diagnosis and intervention, a proof-of-concept demonstration of a universal personal glucose meter-based nucleic acid assay platform (PGM-NAAP) is presented, which converts to SARS-CoV-2 detection from glucose detection. By using magnetic bead separation together with the hand-held PGM for quantitative readout, PGM-NAAP achieves the 98 pM limit of detection for a sequence related to SARS-CoV-2. The ability to discriminate target nucleic acid from genomic DNA, the satisfactory spike recoveries of saliva and serum samples, as well as the good stability all together suggest the potential of the PGM-NAAP for the screening and diagnosis of suspected patients during the outbreaks of COVID-19 in resource-limited settings without sophisticated instruments. On the basis of these findings, PGM-NAAP can be expected to provide an accurate and convenient path for diagnosis of disease-associated nucleic acid.
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8
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Integration of electrochemical interface and cell-free synthetic biology for biosensing. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Lee YJ, Lim HJ, Kim DM. Quantitative Analysis of γ-Aminobutyric Acid by Combined Cell-Free Protein Synthesis and Transamination Reactions. ACS Synth Biol 2022; 11:1208-1212. [PMID: 35191303 DOI: 10.1021/acssynbio.1c00501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthetic power of cells can be harnessed for assaying important analytes, as well as for producing biomolecules. In particular, cell-free protein synthesis (CFPS) can be implemented as a signal amplification module for bioassays, while avoiding many problems associated with whole cell-based microbial biosensors. Here, we developed a method for analyzing γ-aminobutyric acid (GABA) by combining the enzymatic conversion of GABA and amino-acid-dependent CFPS. In this method, GABA molecules in the assay sample are used to generate alanine, which is incorporated into signal-generating proteins in the subsequent cell-free synthesis reaction. The activity of cell-free synthesized proteins was successfully used to estimate the GABA concentration in the assay sample. In principle, the developed method could be extended for the analyses of other important bioactive compounds.
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Affiliation(s)
- You Jin Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
| | - Hye Jin Lim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
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10
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Zhang Y, Steppe PL, Kazman MW, Styczynski MP. Point-of-Care Analyte Quantification and Digital Readout via Lysate-Based Cell-Free Biosensors Interfaced with Personal Glucose Monitors. ACS Synth Biol 2021; 10:2862-2869. [PMID: 34672518 PMCID: PMC9807263 DOI: 10.1021/acssynbio.1c00282] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Field-deployable diagnostics based on cell-free systems have advanced greatly, but on-site quantification of target analytes remains a challenge. Here we demonstrate that Escherichia coli lysate-based cell-free biosensors coupled to a personal glucose monitor (PGM) can enable on-site analyte quantification, with the potential for straightforward reconfigurability to diverse types of analytes. We show that analyte-responsive regulators of transcription and translation can modulate the production of the reporter enzyme β-galactosidase, which in turn converts lactose into glucose for PGM quantification. Because glycolysis is active in the lysate and would readily deplete converted glucose, we decoupled enzyme production and glucose conversion to increase the end point signal output. However, this lysate metabolism did allow for one-pot removal of glucose present in complex samples (like human serum) without confounding target quantification. Taken together, our results show that integrating lysate-based cell-free biosensors with PGMs enables accessible target detection and quantification at the point of need.
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11
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12
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Koo J, Yang J, Park H. Cell-free Systems: Recent Advances and Future Outlook. BIOTECHNOL BIOPROC E 2020. [DOI: 10.1007/s12257-020-0013-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Hunt JP, Barnett RJ, Robinson H, Soltani M, Nelson JAD, Bundy BC. Rapid sensing of clinically relevant glutamine concentrations in human serum with metabolically engineered E. coli-based cell-free protein synthesis. J Biotechnol 2020; 325:389-394. [PMID: 32961202 DOI: 10.1016/j.jbiotec.2020.09.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 09/06/2020] [Accepted: 09/14/2020] [Indexed: 12/27/2022]
Abstract
Bioavailable glutamine (Gln) is critical for metabolism, intestinal health, immune function, and cell signaling. Routine measurement of serum Gln concentrations could facilitate improved diagnosis and treatment of severe infections, anorexia nervosa, chronic kidney disease, diabetes, and cancer. Current methods for quantifying tissue Gln concentrations rely mainly on HPLC, which requires extensive sample preparation and expensive equipment. Consequently, patient Gln levels may be clinically underutilized. Cell-free protein synthesis (CFPS) is an emerging sensing platform with promising clinical applications, including detection of hormones, amino acids, nucleic acids, and other biomarkers. In this work, in vitro E. coli amino acid metabolism is engineered with methionine sulfoximine to inhibit glutamine synthetase and create a CFPS Gln sensor. The sensor features a strong signal-to-noise ratio and a detection range ideally suited to physiological Gln concentrations. Furthermore, it quantifies Gln concentration in the presence of human serum. This work demonstrates that CFPS reactions which harness the metabolic power of E. coli lysate may be engineered to detect clinically relevant analytes in human samples. This approach could lead to transformative point-of-care diagnostics and improved treatment regimens for a variety of diseases including cancer, diabetes, anorexia nervosa, chronic kidney disease, and severe infections.
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Affiliation(s)
- J Porter Hunt
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States
| | - R Jordan Barnett
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States
| | - Hannah Robinson
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States
| | - Mehran Soltani
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States
| | - J Andrew D Nelson
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States
| | - Bradley C Bundy
- Department of Chemical Engineering, Brigham Young University, Provo, UT, United States.
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14
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Lim HJ, Jang YJ, Lee KH, Kim DM. Translational Detection of Nonproteinogenic Amino Acids Using an Engineered Complementary Cell-Free Protein Synthesis Assay. Anal Chem 2020; 92:11505-11510. [PMID: 32794704 DOI: 10.1021/acs.analchem.0c01978] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We developed a simple and rapid method for analyzing nonproteinogenic amino acids that does not require conventional chromatographic equipment. In this technique, nonproteinogenic amino acids were first converted to a proteinogenic amino acid through in vitro metabolism in a cell extract. The proteinogenic amino acid generated from the nonproteinogenic precursors were then incorporated into a reporter protein using a cell-free protein synthesis system. The titers of the nonproteinogenic amino acids could be readily quantified by measuring the activity of reporter proteins. This method, which combines the enzymatic conversion of target amino acids with translational analysis, makes amino acid analysis more accessible while minimizing the cost and time requirements. We anticipate that the same strategy could be extended to the detection of diverse biochemical molecules with clinical and industrial implications.
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Affiliation(s)
- Hye Jin Lim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
| | - Yeon Jae Jang
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
| | - Kyung-Ho Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
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15
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Zhang L, Guo W, Lu Y. Advances in Cell‐Free Biosensors: Principle, Mechanism, and Applications. Biotechnol J 2020; 15:e2000187. [DOI: 10.1002/biot.202000187] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 06/22/2020] [Indexed: 12/17/2022]
Affiliation(s)
- Liyuan Zhang
- Key Laboratory of Industrial Biocatalysis Ministry of Education Department of Chemical Engineering Tsinghua University Beijing 100084 China
- Department of Ecology Shenyang Agricultural University Shenyang Liaoning Province 110866 China
| | - Wei Guo
- Department of Ecology Shenyang Agricultural University Shenyang Liaoning Province 110866 China
| | - Yuan Lu
- Key Laboratory of Industrial Biocatalysis Ministry of Education Department of Chemical Engineering Tsinghua University Beijing 100084 China
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16
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Dai T, Wan Y, Tian R, Wang S, Han T, Wang G. In Situ Cation Exchange Generated ZnS–Ag2S Nanoparticles for Photothermal Detection of Transcription Factor. ACS APPLIED BIO MATERIALS 2020; 3:3260-3267. [DOI: 10.1021/acsabm.0c00232] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Tianyue Dai
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
| | - Yifei Wan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
| | - Ruifen Tian
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
| | - Sicheng Wang
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
| | - Ting Han
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
| | - Guangfeng Wang
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
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17
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Kim HY, Park KS, Park HG. Glucose oxidase-like activity of cerium oxide nanoparticles: use for personal glucose meter-based label-free target DNA detection. Theranostics 2020; 10:4507-4514. [PMID: 32292511 PMCID: PMC7150472 DOI: 10.7150/thno.41484] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/20/2020] [Indexed: 02/07/2023] Open
Abstract
Recently, personal glucose meter (PGM) has been utilized for the detection of non-glucose targets for point-of-care (POC) testing. Aimed at this goal, we herein developed a new PGM-based label-free read-out method for polymerase chain reaction (PCR) based on our novel finding that cerium oxide nanoparticles (CeO2 NPs) exhibit glucose oxidase-like activity comparable to the natural glucose oxidase enzyme. Methods: In principle, DNA amplicons produced by PCR in the presence of target DNA electrostatically bind to CeO2 NPs, leading to their aggregation and reducing the efficiency for CeO2 NP-catalyzed glucose oxidation reaction. Thus, glucose is hardly oxidized to gluconic acid, resulting in the maintenance of initial high glucose level. On the contrary, in the absence of target DNA or presence of non-target DNA, DNA amplicons are not produced and glucose is effectively oxidized by the glucose oxidase-like activity of CeO2 NPs, leading to the significant reduction of glucose level. Finally, the resulting glucose level is simply measured by using PGM. Results: With this strategy, DNA amplicons were quantitatively examined within 5 min, realizing ultrafast analysis of PCR results without any cumbersome and labor-intensive procedures. In addition, the target genomic DNA derived from Escherichia coli (E. coli) was sensitively determined down to 10 copies with high selectivity. Conclusion: Importantly, the use of PGM as a detection component enables its direct application in POC settings. Based on the meritorious features of PGM such as rapidity, simplicity, and cost-effectiveness, we expect that the devised system could serve as a core platform for the on-site read-out of PCR amplification.
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Affiliation(s)
- Hyo Yong Kim
- Department of Chemical and Biomolecular Engineering (BK21+ Program), KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Ki Soo Park
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular Engineering (BK21+ Program), KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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18
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Zhang J, Lan T, Lu Y. Translating in vitro diagnostics from centralized laboratories to point-of-care locations using commercially-available handheld meters. Trends Analyt Chem 2020; 124:115782. [PMID: 32194293 PMCID: PMC7081941 DOI: 10.1016/j.trac.2019.115782] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
There is a growing demand for high-performance point-of-care (POC) diagnostic technologies where in vitro diagnostics (IVD) is fundamental for prevention, identification, and treatment of many diseases. Over the past decade, a shift of IVDs from the centralized laboratories to POC settings is emerging. In this review, we summarize recent progress in translating IVDs from centralized labs to POC settings using commercially available handheld meters. After introducing typical workflows for IVDs and highlight innovative technologies in this area, we discuss advantages of using commercially available handheld meters for translating IVDs from centralized labs to POC settings. We then provide comprehensive coverage of different signal transduction strategies to repurpose the commercially-available handheld meters, including personal glucose meter, pH meter, thermometer and pressure meter, for detecting a wide range of targets by integrating biochemical assays with the meters for POC testing. Finally, we identify remaining challenges and offer future outlook in this area.
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Affiliation(s)
- JingJing Zhang
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing
210023, China
| | - Tian Lan
- GlucoSentient, Inc., 2100 S. Oak Street, Suite 101,
Champaign, IL 61820, USA
| | - Yi Lu
- Department of Chemistry, University of Illinois at
Urbana–Champaign, Urbana, Illinois 61801, United States
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19
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Hunt JP, Wilding KM, Barnett RJ, Robinson H, Soltani M, Cho JE, Bundy BC. Engineering Cell‐Free Protein Synthesis for High‐Yield Production and Human Serum Activity Assessment of Asparaginase: Toward On‐Demand Treatment of Acute Lymphoblastic Leukemia. Biotechnol J 2020; 15:e1900294. [DOI: 10.1002/biot.201900294] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 11/13/2019] [Indexed: 12/22/2022]
Affiliation(s)
- J. Porter Hunt
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Kristen M. Wilding
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - R. Jordan Barnett
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Hannah Robinson
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Mehran Soltani
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Jae Eun Cho
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
| | - Bradley C. Bundy
- Department of Chemical Engineering Brigham Young University Provo UT 84602 USA
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Liu D, Wang J, Wu L, Huang Y, Zhang Y, Zhu M, Wang Y, Zhu Z, Yang C. Trends in miniaturized biosensors for point-of-care testing. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115701] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Lee KH, Kim DM. In Vitro Use of Cellular Synthetic Machinery for Biosensing Applications. Front Pharmacol 2019; 10:1166. [PMID: 31680954 PMCID: PMC6803485 DOI: 10.3389/fphar.2019.01166] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 09/10/2019] [Indexed: 12/25/2022] Open
Abstract
The application of biosensors is expanding in diverse fields due to their high selectivity and sensitivity. Biosensors employ biological components for the recognition of target analytes. In addition, the amplifying nature of biosynthetic processes can potentially be harnessed to for biological transduction of detection signals. Recent advances in the development of highly productive and cost-effective cell-free synthesis systems make it possible to use these systems as the biological transducers to generate biosensing signals. This review surveys recent developments in cell-free biosensors, focusing on the newly devised mechanisms for the biological recognition of analytes to initiate the amplification processes of transcription and translation.
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Affiliation(s)
- Kyung-Ho Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, South Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, South Korea
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Liu D, Liu F, Huang Y, Song Y, Zhu Z, Zhou SF, Yang C. Catalase-linked immunosorbent pressure assay for portable quantitative analysis. Analyst 2019; 144:4188-4193. [PMID: 31184646 DOI: 10.1039/c9an00499h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, catalase-linked immunosorbent pressure assay with a gas-generation reaction was established for quantitative detection of disease biomarker C-reactive protein (CRP) by a portable pressuremeter. The pressure-based detection system recognizes, transduces, and amplifies the target signal to a convenient target-correlated pressure signal reading in a closed chamber. Biotin molecules were modified on the surface of catalase in order to incorporate catalase into the pressure immunoassay by the streptavidin-biotin interaction. To improve the assay performance, the modification ratios of biotin molecules to catalase, and the concentrations of capture and detection antibodies were further optimized. The catalase-linked immunosorbent pressure assay allows portable and quantitation analysis of CRP with a limit of detection of 1.8 nM, which can satisfy the clinical needs for determining the risk of cardiovascular disease. The catalase-linked immunosorbent pressure assay also shows superior specificity and good accuracy. Compared to the previously reported assay catalyzed by PtNP nanozyme, catalase is not easily deactivated during storage and operation. With the merits of enzymatic efficiency, biocompatibility, low non-specific adsorption and facile modification, catalase can be reasonably used for reproducible, stable, simple quantitative detection of disease markers using a portable pressure-based assay in resource-limited settings.
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Affiliation(s)
- Dan Liu
- Department of Bioengineering and Biotechnology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, China.
| | - Fang Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Yishun Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Yanling Song
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Zhi Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Shu-Feng Zhou
- Department of Bioengineering and Biotechnology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, China.
| | - Chaoyong Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory for Chemical Biology of Fujian Province, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
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