1
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Xu Y, Li L, Yang Y, Huang C, Zou H. Catalytic hairpin assembly triggering amplified DNAzyme-feedback for sensitive detection of hepatitis C virus genotype 1b. Talanta 2024; 271:125754. [PMID: 38335846 DOI: 10.1016/j.talanta.2024.125754] [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] [Received: 10/18/2023] [Revised: 01/31/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Developing a simple, reliable, and sensitive hepatitis C virus (HCV) genetic sensing platform is of great significance for diagnosing diseases and selecting appropriate antiviral treatments. Herein, a tandem nucleic acid amplification strategy for sensitive detection of HCV genotype 1b (HCV-1b) was developed by stringing the catalytic hairpin assembly (CHA) and the triggered DNAzyme amplifier. The hairpin reactants were initiated by the target to produce lots of triggering double-stranded DNA sequences which can efficiently activate the subsequent blocked DNAzyme. Thereby, the continuous cleavage of substrate was realized, resulting in the fluorescence signal amplification. The DNA-based isothermal CHA-DNAzyme (CDz) sensing platform was successfully applied for sensitive detection of HCV-1b with the limit of detection (84 pM) and showed good selectivity. Moreover, the practical detection of target DNA in the complex biologic matrix indicated that the developing strategy had good potential for early HCV infection diagnosis.
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Affiliation(s)
- Yuting Xu
- Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Lili Li
- Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China; School of Chemical Engineering, Shijiazhuang University, Shijiazhuang, Hebei, 050035, PR China
| | - Yumeng Yang
- Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Chengzhi Huang
- Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China.
| | - Hongyan Zou
- Key Laboratory on Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China.
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2
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de Stigter Y, van der Veer HJ, Rosier BJHM, Merkx M. Bioluminescent Intercalating Dyes for Ratiometric Nucleic Acid Detection. ACS Chem Biol 2024; 19:575-583. [PMID: 38315567 PMCID: PMC10877566 DOI: 10.1021/acschembio.3c00755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 02/07/2024]
Abstract
Rapid and sensitive DNA detection methods that can be conducted at the point of need may aid in disease diagnosis and monitoring. However, translation of current assays has proven challenging, as they typically require specialized equipment or probe-specific modifications for every new target DNA. Here, we present Luminescent Multivalent Intercalating Dye (LUMID), off-the-shelf bioluminescent sensors consisting of intercalating dyes conjugated to a NanoLuc luciferase, which allow for nonspecific detection of double-stranded DNA through a blue-to-green color change. Through the incorporation of multiple, tandem-arranged dyes separated by positively charged linkers, DNA-binding affinities were improved by over 2 orders of magnitude, detecting nanomolar DNA concentrations with an 8-fold change in green/blue ratio. We show that LUMID is easily combined with loop-mediated isothermal amplification (LAMP), enabling sequence-specific detection of viral DNA with attomolar sensitivity and a smartphone-based readout. With LUMID, we have thus developed a tool for simple and sensitive DNA detection that is particularly attractive for point-of-need applications.
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Affiliation(s)
- Yosta de Stigter
- Laboratory
of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Harmen J. van der Veer
- Laboratory
of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Bas J. H. M. Rosier
- Laboratory
of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Maarten Merkx
- Laboratory
of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600 MB Eindhoven, The Netherlands
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3
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Heath NG, Segal DJ. CRISPR-Based Split Luciferase as a Biosensor for Unique DNA Sequences In Situ. Methods Mol Biol 2024; 2784:285-299. [PMID: 38502493 DOI: 10.1007/978-1-0716-3766-1_19] [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: 03/21/2024]
Abstract
To date, CRISPR-based DNA targeting approaches have typically used fusion proteins between full fluorescent reporters and catalytically inactive Cas9 (dCas9) for imaging rather than detection of endogenous genomic DNA sequences. A promising alternative strategy for DNA targeting is the direct biosensing of user-defined sequences at single copy with single-cell resolution. Our recently described DNA biosensing approach using a dual fusion protein biosensor comprised of two independently optimized fragments of NanoLuc luciferase (NLuc) directionally fused to dCas9 paired with user-defined single-guide RNAs (sgRNAs) could allow users to sensitively detect unique copies of a target sequence in individual living cells using common laboratory equipment such as a microscope or a luminescence-equipped microplate reader. Here we describe a protocol for using such a DNA biosensor noninvasively in situ.
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Affiliation(s)
- Nicholas G Heath
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, USA
- Integrative Genetics and Genomics, University of California, Davis, Davis, CA, USA
- Innovative Genomics Institute, University of California, Berkeley, CA, USA
| | - David J Segal
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, USA.
- Integrative Genetics and Genomics, University of California, Davis, Davis, CA, USA.
- Innovative Genomics Institute, University of California, Berkeley, CA, USA.
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4
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Xu Z, Zhang X, Pal C, Rozners E, Callahan BP. Enzyme Fragment Complementation Driven by Nucleic Acid Hybridization. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.19.572427. [PMID: 38187717 PMCID: PMC10769296 DOI: 10.1101/2023.12.19.572427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
A modified protein fragment complementation assay has been designed and validated as a gain-of-signal biosensor for nucleic acid:nucleic acid interactions. The assay uses fragments of NanoBiT, the split luciferase reporter enzyme, that are esterified at their C-termini to steramers, sterol-modified oligodeoxynucleotides. The Drosophila hedgehog autoprocessing domain, DHhC, served as a self-cleaving catalyst for these bioconjugations. In the presence of ssDNA or RNA with segments complementary to the steramers and adjacent to one another, the two NanoBiT fragments productively associate, reconstituting NanoBiT enzyme activity. NanoBiT luminescence in samples containing nM ssDNA or RNA template exceeded background by 30-fold and as high as 120-fold depending on assay conditions. A unique feature of this detection system is the absence of a self-labeling domain in the NanoBiT bioconjugates. Eliminating that extraneous bulk broadens the detection range from short oligos to full-length mRNA.
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Affiliation(s)
- Zihan Xu
- Department of Chemistry, Binghamton University, The State University of New York, 4400 Vestal Parkway East Binghamton, New York, 13902, USA
| | - Xiaoyu Zhang
- Department of Chemistry, Binghamton University, The State University of New York, 4400 Vestal Parkway East Binghamton, New York, 13902, USA
| | - Chandan Pal
- Department of Chemistry, Binghamton University, The State University of New York, 4400 Vestal Parkway East Binghamton, New York, 13902, USA
| | - Eriks Rozners
- Department of Chemistry, Binghamton University, The State University of New York, 4400 Vestal Parkway East Binghamton, New York, 13902, USA
| | - Brian P. Callahan
- Department of Chemistry, Binghamton University, The State University of New York, 4400 Vestal Parkway East Binghamton, New York, 13902, USA
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5
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Lee S, Yoo YK, Han SI, Lee D, Cho SY, Park C, Lee D, Yoon DS, Lee JH. Advancing diagnostic efficacy using a computer vision-assisted lateral flow assay for influenza and SARS-CoV-2 detection. Analyst 2023; 148:6001-6010. [PMID: 37882491 DOI: 10.1039/d3an01189e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Lateral flow assays (LFAs) have emerged as indispensable tools for point-of-care testing during the pandemic era. However, the interpretation of results through unassisted visual inspection by untrained individuals poses inherent limitations. In our study, we propose a novel approach that combines computer vision (CV) and lightweight machine learning (ML) to overcome these limitations and significantly enhance the performance of LFAs. By incorporating CV-assisted analysis into the LFA assay, we achieved a remarkable three-fold improvement in analytical sensitivity for detecting Influenza A and for SARS-CoV-2 detection. The obtained R2 values reached approximately 0.95, respectively, demonstrating the effectiveness of our approach. Moreover, the integration of CV techniques with LFAs resulted in a substantial amplification of the colorimetric signal specifically for COVID-19 positive patient samples. Our proposed approach, which incorporates a simple machine learning algorithm, provides substantial enhancements in assay sensitivity, improving diagnostic efficacy and accessibility of point-of-care testing without requiring significant additional resources. Moreover, the simplicity of the machine learning algorithm enables its standalone use on a mobile phone, further enhancing its practicality for point-of-care testing.
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Affiliation(s)
- Seungmin Lee
- Department of Electrical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon, Seoul 01897, Republic of Korea.
- School of Biomedical Engineering, Korea University, 145 Anam-ro, Seongbuk, Seoul 02841, Republic of Korea.
| | - Yong Kyoung Yoo
- Department of Electronic Engineering, Catholic Kwandong University, 24, Beomil-ro 579 beon-gil, Gangneung-si, Gangwon-do 25601, Republic of Korea
| | - Sung Il Han
- CALTH Inc., Changeop-ro 54, Seongnam, Gyeonggi 13449, Republic of Korea
| | - Dongho Lee
- CALTH Inc., Changeop-ro 54, Seongnam, Gyeonggi 13449, Republic of Korea
| | - Sung-Yeon Cho
- Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chulmin Park
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dongtak Lee
- School of Biomedical Engineering, Korea University, 145 Anam-ro, Seongbuk, Seoul 02841, Republic of Korea.
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's hospital, Boston, MA 02115, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - Dae Sung Yoon
- School of Biomedical Engineering, Korea University, 145 Anam-ro, Seongbuk, Seoul 02841, Republic of Korea.
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul 02841, South Korea
- Astrion Inc., Seoul 02841, Republic of Korea
| | - Jeong Hoon Lee
- Department of Electrical Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon, Seoul 01897, Republic of Korea.
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6
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Zhang R, Wang Y, Deng H, Zhou S, Wu Y, Li Y. Fast and bioluminescent detection of antibiotic contaminants by on-demand transcription of RNA scaffold arrays. Anal Chim Acta 2023; 1273:341538. [PMID: 37423654 DOI: 10.1016/j.aca.2023.341538] [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: 05/12/2023] [Revised: 06/11/2023] [Accepted: 06/16/2023] [Indexed: 07/11/2023]
Abstract
Cell-free biosensors have inspired low-cost and field-applicable methods to detect antibiotic contaminants. However, the satisfactory sensitivity of current cell-free biosensors is mostly achieved by sacrificing the rapidity, which prolongs turnaround time by hours. Additionally, the software-based result interpretation provides an obstacle for delivering these biosensors to untrained individuals. Here, we present a bioluminescence-based cell-free biosensor, termed enhanced Bioluminescence sensing of Ligand-Unleashed RNA Expression (eBLUE). The eBLUE leveraged antibiotic-responsive transcription factors to regulate the transcription of RNA arrays that can serve as scaffolds for reassembling and activating multiple luciferase fragments. This process converted target recognition into an amplified bioluminescence response, enabling smartphone-based quantification of tetracycline and erythromycin directly in milk within 15 min. Moreover, the detection threshold of eBLUE can be easily tuned according to the maximum residue limits (MRLs) established by government agencies. Owing to this tunable nature, the eBLUE was further repurposed as an on-demand semi-quantification platform, allowing for fast (∼20 min) and software-free identification of safe and MRL-exceeding milk samples only by glancing over the smartphone photographs. Overall, the sensitivity, rapidity and user-friendliness of eBLUE demonstrate its potentials for practical applications, especially in resource-limited and household settings.
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Affiliation(s)
- Rui Zhang
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China
| | - Yu Wang
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China
| | - Haifeng Deng
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China
| | - Shiwen Zhou
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China
| | - Yunhua Wu
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China
| | - Yong Li
- College of Life Sciences, South-Central Minzu University, Wuhan, 430074, PR China; Hubei Jiangxia Laboratory, Wuhan, 430200, PR China.
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7
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Wang ZY, Sun MH, Zhang Q, Li PF, Wang K, Li XM. Advances in Point-of-Care Testing of microRNAs Based on Portable Instruments and Visual Detection. BIOSENSORS 2023; 13:747. [PMID: 37504145 PMCID: PMC10377738 DOI: 10.3390/bios13070747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/29/2023]
Abstract
MicroRNAs (miRNAs) are a class of small noncoding RNAs that are approximately 22 nt in length and regulate gene expression post-transcriptionally. miRNAs play a vital role in both physiological and pathological processes and are regarded as promising biomarkers for cancer, cardiovascular diseases, neurodegenerative diseases, and so on. Accurate detection of miRNA expression level in clinical samples is important for miRNA-guided diagnostics. However, the common miRNA detection approaches like RNA sequencing, qRT-PCR, and miRNA microarray are performed in a professional laboratory with complex intermediate steps and are time-consuming and costly, challenging the miRNA-guided diagnostics. Hence, sensitive, highly specific, rapid, and easy-to-use detection of miRNAs is crucial for clinical diagnosis based on miRNAs. With the advantages of being specific, sensitive, efficient, cost-saving, and easy to operate, point-of-care testing (POCT) has been widely used in the detection of miRNAs. For the first time, we mainly focus on summarizing the research progress in POCT of miRNAs based on portable instruments and visual readout methods. As widely available pocket-size portable instruments and visual detection play important roles in POCT, we provide an all-sided discussion of the principles of these methods and their main limitations and challenges, in order to provide a guide for the development of more accurate, specific, and sensitive POCT methods for miRNA detection.
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Affiliation(s)
- Zhong-Yu Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
| | - Ming-Hui Sun
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
| | - Qun Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
| | - Pei-Feng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
| | - Kun Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
| | - Xin-Min Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, 1 Ningde Road, Qingdao 266073, China
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8
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Snider DM, Pandit S, Coffin ML, Ebrahimi SB, Samanta D. DNA-Mediated Control of Protein Function in Semi-Synthetic Systems. Chembiochem 2022; 23:e202200464. [PMID: 36058885 DOI: 10.1002/cbic.202200464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/02/2022] [Indexed: 01/25/2023]
Abstract
The development of strategies for controlling protein function in a precise and predictable manner has the potential to revolutionize catalysis, diagnostics, and medicine. In this regard, the use of DNA has emerged as a powerful approach for modulating protein activity. The programmable nature of DNA allows for constructing sophisticated architectures wherein proteins can be placed with control over position, orientation, and stoichiometry. This ability is especially useful considering that the properties of proteins can be influenced by their local environment or their proximity to other functional molecules. Here, we chronicle the different strategies that have been developed to interface DNA with proteins in semi-synthetic systems. We further delineate the unique applications unlocked by the unprecedented level of structural control that DNA affords. We end by outlining outstanding challenges in the area and discuss future research directions towards potential solutions.
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Affiliation(s)
- Dylan M Snider
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St, Austin, TX, 78712, USA
| | - Subrata Pandit
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St, Austin, TX, 78712, USA
| | - Mackenzie L Coffin
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St, Austin, TX, 78712, USA
| | - Sasha B Ebrahimi
- Drug Product Development - Steriles, GlaxoSmithKline 1250 S Collegeville Rd, Collegeville, PA 19426, USA
| | - Devleena Samanta
- Department of Chemistry, The University of Texas at Austin, 105 E 24th St, Austin, TX, 78712, USA
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9
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McArthur N, Cruz-Teran C, Thatavarty A, Reeves GT, Rao BM. Experimental and Analytical Framework for "Mix-and-Read" Assays Based on Split Luciferase. ACS OMEGA 2022; 7:24551-24560. [PMID: 35874239 PMCID: PMC9301641 DOI: 10.1021/acsomega.2c02319] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The use of immunodetection assays including the widely used enzyme-linked immunosorbent assay (ELISA) in applications such as point-of-care detection is often limited by the need for protein immobilization and multiple binding and washing steps. Here, we describe an experimental and analytical framework for the development of simple and modular "mix-and-read" enzymatic complementation assays based on split luciferase that enable sensitive detection and quantification of analytes in solution. In this assay, two engineered protein binders targeting nonoverlapping epitopes on the target analyte were each fused to nonactive fragments of luciferase to create biosensor probes. Binding proteins to two model targets, lysozyme and Sso6904, were isolated from a combinatorial library of Sso7d mutants using yeast surface display. In the presence of the analyte, probes were brought into close proximity, reconstituting enzymatic activity of luciferase and enabling detection of low picomolar concentrations of the analyte by chemiluminescence. Subsequently, we constructed an equilibrium binding model that relates binding affinities of the binding proteins for the target, assay parameters such as the concentrations of probes used, and assay performance (limit of detection and concentration range over which the target can be quantified). Overall, our experimental and analytical framework provides the foundation for the development of split luciferase assays for detection and quantification of various targets.
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Affiliation(s)
- Nikki McArthur
- Department
of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Carlos Cruz-Teran
- Department
of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Apoorva Thatavarty
- Department
of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Gregory T. Reeves
- Department
of Chemical Engineering, Texas A&M University, College Station, Texas 77843, United States
- Interdisciplinary
Program in Genetics, Texas A&M University, College Station, Texas 77843, United States
| | - Balaji M. Rao
- Department
of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
- Golden
LEAF Biomanufacturing Training and Education Center (BTEC), North Carolina State University, Raleigh, North Carolina 27695, United States
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10
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Yu Q, Chen J, Fu W, Muhammad KG, Li Y, Liu W, Xu L, Dong H, Wang D, Liu J, Lu Y, Chen X. Smartphone-Based Platforms for Clinical Detections in Lung-Cancer-Related Exhaled Breath Biomarkers: A Review. BIOSENSORS 2022; 12:bios12040223. [PMID: 35448283 PMCID: PMC9028493 DOI: 10.3390/bios12040223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 12/24/2022]
Abstract
Lung cancer has been studied for decades because of its high morbidity and high mortality. Traditional methods involving bronchoscopy and needle biopsy are invasive and expensive, which makes patients suffer more risks and costs. Various noninvasive lung cancer markers, such as medical imaging indices, volatile organic compounds (VOCs), and exhaled breath condensates (EBCs), have been discovered for application in screening, diagnosis, and prognosis. However, the detection of markers still relies on bulky and professional instruments, which are limited to training personnel or laboratories. This seriously hinders population screening for early diagnosis of lung cancer. Advanced smartphones integrated with powerful applications can provide easy operation and real-time monitoring for healthcare, which demonstrates tremendous application scenarios in the biomedical analysis region from medical institutions or laboratories to personalized medicine. In this review, we propose an overview of lung-cancer-related noninvasive markers from exhaled breath, focusing on the novel development of smartphone-based platforms for the detection of these biomarkers. Lastly, we discuss the current limitations and potential solutions.
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Affiliation(s)
- Qiwen Yu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Jing Chen
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310051, China;
| | - Wei Fu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Kanhar Ghulam Muhammad
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Yi Li
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Wenxin Liu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Linxin Xu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Hao Dong
- Research Center for Sensing Materials and Devices, Zhejiang Lab, Hangzhou 311100, China; (H.D.); (D.W.)
| | - Di Wang
- Research Center for Sensing Materials and Devices, Zhejiang Lab, Hangzhou 311100, China; (H.D.); (D.W.)
| | - Jun Liu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
| | - Yanli Lu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
- Correspondence: (Y.L.); (X.C.)
| | - Xing Chen
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China; (Q.Y.); (W.F.); (K.G.M.); (Y.L.); (W.L.); (L.X.); (J.L.)
- Correspondence: (Y.L.); (X.C.)
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11
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Ding Y, Cui P, Chen H, Li J, Huang L, González-Sapienza G, Hammock BD, Wang M, Hua X. "Ready-to-use" immunosensor for the detection of small molecules with fast readout. Biosens Bioelectron 2022; 201:113968. [PMID: 35007993 PMCID: PMC8863114 DOI: 10.1016/j.bios.2022.113968] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/27/2021] [Accepted: 01/04/2022] [Indexed: 12/20/2022]
Abstract
Immunoassays are commonly used methods for detection of small molecules that typically require numerous steps of the labeling between immune-recognition reagents and tracers, immobilization and recurrent washing, making them time consuming and difficult to adapt into point of care formats. Here we describe a "ready-to-use" homogeneous competitive immunosensor with an assay time of 10 min that is based exclusively on recombinant reagents. The signal is produced when the split fragments of the nano luciferase (Nluc) are brought together by the interaction of a heavy chain only variable domain (VHH) with a peptidomimetic of the target small molecule. A VHH to 2,4-dichlorophenoxyacetic acid (2,4-D) was used to isolated the peptidomimetic (NGFFEPWQVVYV) from phage display libraries using six panning conditions. Then the peptidomimetic and VHH were fused with the larger (LgN) and smaller piece (SmN) of split fragments of Nluc, respectively. In order to optimize the signal and sensitivity of the immunosensor, we explored the effects of the spacer between the peptidomimetic and LgN, the copy number of peptidomimetics, and the spacer between SmN and VHH, generating 24 combinations that allowed to conclude on their respective roles. Eventually, the developed "ready-to-use" immunosensor performed excellent signal-to-noise ratio and sensitivity, and could be applied to the detection of 2,4-D in real samples. Meanwhile, the immunosensor totally realizes labeling-free, immobilization-free and washing-free, also can be produced in a highly cost effective way.
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Affiliation(s)
- Yuan Ding
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - Panpan Cui
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - He Chen
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - Jiao Li
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - Lianrun Huang
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - Gualberto González-Sapienza
- Cátedra de Inmunología, Facultad de Química, Instituto de Higiene, Universidad de la República, Montevideo, 11600, Uruguay
| | - Bruce D Hammock
- Department of Entomology and UCD Cancer Center, University of California, Davis, CA, 95616, United States
| | - Minghua Wang
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China
| | - Xiude Hua
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China; State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, 210095, China.
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Heath NG, O’Geen H, Halmai NB, Corn JE, Segal DJ. Imaging Unique DNA Sequences in Individual Cells Using a CRISPR-Cas9-Based, Split Luciferase Biosensor. Front Genome Ed 2022; 4:867390. [PMID: 35403097 PMCID: PMC8990833 DOI: 10.3389/fgeed.2022.867390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 03/09/2022] [Indexed: 11/13/2022] Open
Abstract
An extensive arsenal of biosensing tools has been developed based on the clustered regularly interspaced short palindromic repeat (CRISPR) platform, including those that detect specific DNA sequences both in vitro and in live cells. To date, DNA imaging approaches have traditionally used full fluorescent reporter-based fusion probes. Such “always-on” probes differentiate poorly between bound and unbound probe and are unable to sensitively detect unique copies of a target sequence in individual cells. Herein we describe a DNA biosensor that provides a sensitive readout for such low-copy DNA sequences through proximity-mediated reassembly of two independently optimized fragments of NanoLuc luciferase (NLuc), a small, bright luminescent reporter. Applying this “turn-on” probe in live cells, we demonstrate an application not easily achieved by fluorescent reporter-based probes, detection of individual endogenous genomic loci using standard epifluorescence microscopy. This approach could enable detection of gene edits during ex vivo editing procedures and should be a useful platform for many other live cell DNA biosensing applications.
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Affiliation(s)
- Nicholas G. Heath
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, United States
- Integrative Genetics and Genomics, University of California, Davis, Davis, CA, United States
- Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, United States
| | - Henriette O’Geen
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, United States
- Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, United States
| | - Nicole B. Halmai
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, United States
- Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, United States
| | - Jacob E. Corn
- Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, United States
- Department of Biology, ETH, Zürich, Switzerland
| | - David J. Segal
- Genome Center and Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, United States
- Integrative Genetics and Genomics, University of California, Davis, Davis, CA, United States
- Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, United States
- *Correspondence: David J. Segal,
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Calabretta MM, Lopreside A, Montali L, Zangheri M, Evangelisti L, D'Elia M, Michelini E. Portable light detectors for bioluminescence biosensing applications: A comprehensive review from the analytical chemist's perspective. Anal Chim Acta 2022; 1200:339583. [DOI: 10.1016/j.aca.2022.339583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 12/11/2022]
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Xia LY, Tang YN, Zhang J, Dong TY, Zhou RX. Advances in the DNA Nanotechnology for the Cancer Biomarkers Analysis: Attributes and Applications. Semin Cancer Biol 2022; 86:1105-1119. [PMID: 34979273 DOI: 10.1016/j.semcancer.2021.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/26/2021] [Accepted: 12/29/2021] [Indexed: 02/07/2023]
Abstract
The most commonly used clinical methods are enzyme-linked immunosorbent assay (ELISA) and quantitative PCR (qPCR) in which ELISA was applied for the detection of protein biomarkers and qPCR was especially applied for nucleic acid biomarker analysis. Although these constructed methods have been applied in wide range, they also showed some inherent shortcomings such as low sensitivity, large sample volume and complex operations. At present, many methods have been successfully constructed on the basis of DNA nanotechnology with the merits of high accuracy, rapid and simple operation for cancer biomarkers assay. In this review, we summarized the bioassay strategies based on DNA nanotechnology from the perspective of the analytical attributes for the first time and discussed and the feasibility of the reported strategies for clinical application in the future.
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Affiliation(s)
- Ling-Ying Xia
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China; Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Ya-Nan Tang
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Jie Zhang
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China
| | - Tian-Yu Dong
- College of Chemistry, Sichuan University Chengdu, Sichuan 610064, PR China
| | - Rong-Xing Zhou
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu, Sichuan 610064, PR China.
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Chen X, Deng Y, Cao G, Xiong Y, Huo D, Hou C. Ultra-sensitive MicroRNA-21 detection based on multiple cascaded strand displacement amplification and CRISPR/Cpf1 (MC-SDA/CRISPR/Cpf1). Chem Commun (Camb) 2021; 57:6129-6132. [PMID: 34038492 DOI: 10.1039/d1cc01938d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
MicroRNA-21 (miR-21) has been considered as a potential biomarker for cancer diagnosis and prognosis due to its high expression in tumors. Here, an analytical method which integrates the multiple cascaded strand displacement amplification and CRISPR/Cpf1 (MC-SDA/CRISPR/Cpf1) was proposed to ultra-sensitively detect it.
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Affiliation(s)
- Xiaolong Chen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Yuanyi Deng
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Gaihua Cao
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Yifan Xiong
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China. and Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, P. R. China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China. and Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, P. R. China
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Calabretta MM, Lopreside A, Montali L, Cevenini L, Roda A, Michelini E. A Genetically Encoded Bioluminescence Intracellular Nanosensor for Androgen Receptor Activation Monitoring in 3D Cell Models. SENSORS 2021; 21:s21030893. [PMID: 33572727 PMCID: PMC7865915 DOI: 10.3390/s21030893] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/27/2022]
Abstract
In recent years, there has been an increasing demand for predictive and sensitive in vitro tools for drug discovery. Split complementation assays have the potential to enlarge the arsenal of in vitro tools for compound screening, with most of them relying on well-established reporter gene assays. In particular, ligand-induced complementation of split luciferases is emerging as a suitable approach for monitoring protein–protein interactions. We hereby report an intracellular nanosensor for the screening of compounds with androgenic activity based on a split NanoLuc reporter. We also confirm the suitability of using 3D spheroids of Human Embryonic Kidney (HEK-293) cells for upgrading the 2D cell-based assay. A limit of detection of 4 pM and a half maximal effective concentration (EC50) of 1.7 ± 0.3 nM were obtained for testosterone with HEK293 spheroids. This genetically encoded nanosensor also represents a new tool for real time imaging of the activation state of the androgen receptor, thus being suitable for analysing molecules with androgenic activity, including new drugs or endocrine disrupting molecules.
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Affiliation(s)
- Maria Maddalena Calabretta
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
- Center for Applied Biomedical Research (CRBA), University of Bologna, 40126 Bologna, Italy
| | - Antonia Lopreside
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
- Center for Applied Biomedical Research (CRBA), University of Bologna, 40126 Bologna, Italy
| | - Laura Montali
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
- Center for Applied Biomedical Research (CRBA), University of Bologna, 40126 Bologna, Italy
| | - Luca Cevenini
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
| | - Aldo Roda
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
- Istituto Nazionale di Biostrutture e Biosistemi (INBB), 00136 Rome, Italy
| | - Elisa Michelini
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy; (M.M.C.); (A.L.); (L.M.); (L.C.); (A.R.)
- Center for Applied Biomedical Research (CRBA), University of Bologna, 40126 Bologna, Italy
- Istituto Nazionale di Biostrutture e Biosistemi (INBB), 00136 Rome, Italy
- Health Sciences and Technologies-Interdepartmental Center for Industrial Research (HST-ICIR), University of Bologna, Ozzano dell’Emilia, 40064 Bologna, Italy
- Correspondence:
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Alsulami T, Nath N, Flemming R, Wang H, Zhou W, Yu JH. Development of a novel homogeneous immunoassay using the engineered luminescent enzyme NanoLuc for the quantification of the mycotoxin fumonisin B1. Biosens Bioelectron 2020; 177:112939. [PMID: 33440308 DOI: 10.1016/j.bios.2020.112939] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/21/2020] [Accepted: 12/26/2020] [Indexed: 02/08/2023]
Abstract
Compared to the traditional heterogeneous assays, a homogeneous immunoassay is a preferred format for its simplicity. By cloning and isolating luminescent proteins from bioluminescent organisms, bioluminescence has been widely used for various biological applications. In this study, we present the development of a homogeneous luminescence immunoassay (FNanoBiT assay) for detection of fumonisin B1 (FB1), based on the binding of two subunits of an engineered luminescent protein (NanoLuc). For the detection of the mycotoxin FB1 in foods, the anti-fumonisin antibody was conjugated to the large subunit of NanoLuc (FLgBiT), and the FB1 was conjugated to the small subunit (FSmBiT). The conjugates were used for the detection of FB1 in a competitive immunoassay format without the need of a secondary antibody, or washing steps. The developed FNanoBiT assay revealed high specificity toward FB1 with no cross-reactivity with other mycotoxins, and it demonstrated acceptable recovery (higher than 94%) and relative standard deviation from spiked maize samples. Further, the assay was successfully applied for the detection of FB1 in naturally contaminated maize, with a dynamic range of 0.533-6.81 ng mL-1 and a detection limit of 0.079 ng mL-1. The results derived with FNanoBiT assay of all spiked samples showed a strong correlation to those obtained by the High-performance liquid chromatography method. Thus, the FNanoBiT based homogeneous immunoassay could be used as a rapid, and simple tool for the analysis of mycotoxin-contaminated foods.
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Affiliation(s)
- Tawfiq Alsulami
- Department of Food Science, University of Wisconsin-Madison, Madison, WI, 53706, USA; Department of Food Science and Nutrition, King Saud University, Saudi Arabia
| | - Nidhi Nath
- Promega Corporation, 2800 Woods Hollow Road, Madison, WI, 53711, USA
| | - Rod Flemming
- Promega Corporation, 2800 Woods Hollow Road, Madison, WI, 53711, USA
| | - Hui Wang
- Promega Biosciences, 277 Granada Drive, San Luis Obispo, CA, 93401, USA
| | - Wenhui Zhou
- Promega Biosciences, 277 Granada Drive, San Luis Obispo, CA, 93401, USA
| | - Jae-Hyuk Yu
- Department of Bacteriology, Food Research Institute, University of Wisconsin-Madison, Madison, WI, 53706, USA; Department of Systems Biotechnology, Konkuk University, Seoul, Korea.
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