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Yao J, Zhang Z, Pei H, Zhang T, Ruan Y, Liu C, Guo Y, Gu S, Xia Q. Magnetically modified bacteriophage-triggered ATP release activated EXPAR-CRISPR/Cas14a system for visual detection of Burkholderia pseudomallei. Biosens Bioelectron 2024; 257:116334. [PMID: 38678788 DOI: 10.1016/j.bios.2024.116334] [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: 01/13/2024] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
Burkholderia pseudomallei, widely distributed in tropical and subtropical ecosystems, is capable of causing the fatal zoonotic disease melioidosis and exhibiting a global trend of dissemination. Rapid and sensitive detection of B. pseudomallei is essential for environmental monitoring as well as infection control. Here, we developed an innovative biosensor for quantitatively detecting B. pseudomallei relies on ATP released triggered by bacteriophage-induced bacteria lysis. The lytic bacteriophage vB_BpP_HN01, with high specificity, is employed alongside magnetic nanoparticles assembly to create a biological receptor, facilitating the capture and enrichment of viable target bacteria. Following a brief extraction and incubation process, the captured target undergoes rapid lysis to release contents including ATP. The EXPAR-CRISPR cascade reaction provides an efficient signal transduction and dual amplification module that allowing the generated ATP to guide the signal output as an activator, ultimately converting the target bacterial amount into a detectable fluorescence signal. The proposed bacteriophage affinity strategy exhibited superior performance for B. pseudomallei detection with a dynamic range from 10^2 to 10^7 CFU mL-1, and a LOD of 45 CFU mL-1 within 80 min. Moreover, with the output signal compatible across various monitoring methods, this work offers a robust assurance for rapid diagnosis and on-site environmental monitoring of B. pseudomallei.
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Affiliation(s)
- Juan Yao
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, 571199, PR China; Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, 646000, PR China
| | - Zhang Zhang
- Department of Neurosurgery, Neurology Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 571199, PR China
| | - Hua Pei
- Department of Clinical Laboratory, The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan, 571199, PR China
| | - Ting Zhang
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, 571199, PR China
| | - Yuping Ruan
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, 571199, PR China
| | - Chenyuan Liu
- Department of Neurosurgery, Neurology Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 571199, PR China
| | - Yongcan Guo
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, 646000, PR China.
| | - Shuo Gu
- Department of Neurosurgery, Neurology Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 571199, PR China.
| | - Qianfeng Xia
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, 571199, PR China.
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Feng Y, Yu L, Xu Q, Wei Z, Gan Z, Nie X, Xiao Y. Bioreaction-Compatible Bivariate Lanthanide MOF Sensor Enables Stimulus-Multiresponsive Platform for ctDNA On-Site Detection. Anal Chem 2024. [PMID: 38922180 DOI: 10.1021/acs.analchem.4c01207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Detection of circulating tumor DNA (ctDNA) in liquid biopsy is of great importance for tumor diagnosis but difficult due to its low amount in bodily fluids. Herein, a novel ctDNA detection platform is established by quantifying DNA amplification by-product pyrophosphate (PPi) using a newly designed bivariable lanthanide metal-organic framework (Ln-MOF), namely, Ce/Eu-DPA MOF (CE-24, DPA = pyridine-2,6-dicarboxylic acid). CE-24 MOF exhibits ultrafast dual-response (fluorescence enhancement and enzyme-activity inhibition) to PPi stimuli by virtue of host-guest interaction. The platform is applied to detecting colon carcinoma-related ctDNA (KARS G12D mutation) combined with the isothermal nucleic acid exponential amplification reaction (EXPAR). ctDNA triggers the generation of a large amount of PPi, and the ctDNA quantification is achieved through the ratio fluorescence/colorimetric dual-mode assay of PPi. The combination of the EXPAR and the dual-mode PPi sensing allows the ctDNA assay method to be low-cost, convenient, bioreaction-compatible (freedom from the interference of bioreaction systems), sensitive (limit of detection down to 101 fM), and suitable for on-site detection. To the best of our knowledge, this work is the first application of Ln-MOF for ctDNA detection, and it provides a novel universal strategy for the rapid detection of nucleic acid biomarkers in point-of-care scenarios.
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Affiliation(s)
- Yumin Feng
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Long Yu
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Qi Xu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Zhongyu Wei
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Zhiwen Gan
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Xilin Nie
- Yujin Bio-pharma Wuhan CNBG Co. LTD., Wuhan 430207, China
| | - Yuxiu Xiao
- Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
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Zhu L, Song L, Zheng C, Wang N, Xue C, Shen Z, Huang X. Intracellular nonenzymatic in situ growth of layered nanosheet DNA architectures based on palindrome-chained dumbbell probes for miRNA imaging. Talanta 2024; 277:126333. [PMID: 38850801 DOI: 10.1016/j.talanta.2024.126333] [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: 12/30/2023] [Revised: 05/07/2024] [Accepted: 05/28/2024] [Indexed: 06/10/2024]
Abstract
MicroRNA (miRNA) represents a class of important potential biomarkers, and their intracellular imaging is extremely useful for fundamental research and early diagnosis of human cancers. Hybridization chain reaction (HCR) has been shown to be effective in detecting miRNA in living cells. However, its practical applications are still hampered by inefficient reaction kinetics and poor biological stability under complex intracellular conditions. To address these issues, we report a palindrome-mediated multiple hybridization chain reaction (P-HCR) system to better visualize intracellular miRNAs. In the presence of the target miRNA, a layered nanosheet DNA architecture (LSDA) can be assembled in situ via the palindrome-mediated multiple HCR process. We demonstrate that the biological stability of this reaction system could be significantly improved by designing the probes to dumbbell-shaped structures and the distance of hairpins was effectively decreased due to palindrome-chained effect. Consequently, miRNA can be quantitatively identified even at extremely low concentrations of 4.7 pM. The P-HCR system can effectively differentiate the expression levels of miRNA in different tumor cells and normal cells, as demonstrated in live cell tests and the results were in agreement with the PCR, which is considered the gold standard. The new (P-HCR) system has the potential to revolutionize miRNA imaging in living cells.
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Affiliation(s)
- Lingye Zhu
- Pulmonary Division, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, Zhejiang, 325035, China; Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Lanlan Song
- Pulmonary Division, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, Zhejiang, 325035, China
| | - Cheng Zheng
- Pulmonary Division, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, Zhejiang, 325035, China
| | - Ning Wang
- Pulmonary Division, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, Zhejiang, 325035, China
| | - Chang Xue
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, and Zhejiang Provincial Key Laboratory of Medical Genetics, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Zhifa Shen
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, and Zhejiang Provincial Key Laboratory of Medical Genetics, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
| | - Xiaoying Huang
- Pulmonary Division, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, Zhejiang, 325035, China.
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Zhang S, Zhou N, Chen J, Li Q, Wang Y, Sun W, Lv C. DNA Polymerase-Endonuclease Efficiently Synthesizes DNA to Prepare DNA Materials and Develop Novel Signal Amplification System. Anal Chem 2024; 96:9285-9293. [PMID: 38768388 DOI: 10.1021/acs.analchem.4c01964] [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: 05/22/2024]
Abstract
DNA biosynthesis, a focus of fundamental and applied research, typically involves DNA polymerases by using templates, primers, and dNTPs. Some polymerases can polymerize dNTPs for DNA de novo synthesis, although this is generally to occur randomly. This novel synthesis method has garnered our attention and practical use. Herein, we observed that the addition of endonuclease significantly enhances the efficiency of the de novo synthesis reaction catalyzed by the DNA polymerase. We further investigated the reaction conditions that influence this efficiency. Building on the optimal reaction conditions, we developed a rapid and efficient strategy for preparing DNA hydrogel. Further, coupled with the CRISPR-Cas system, we developed a nucleic acid signal amplification system characterized by versatility, sensitivity, specificity, and no risk of aerosol contamination. We successfully detected viral nucleic acids in clinical samples. In summary, our study demonstrates the significant potential of DNA polymerase- and endonuclease-catalyzed DNA de novo synthesis in diverse applications.
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Affiliation(s)
- Shun Zhang
- Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610000, P. R. China
| | - Ning Zhou
- Central People's Hospital of Zhanjiang, Zhanjiang, Guangdong 524045, P. R. China
| | - Jiao Chen
- Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610000, P. R. China
| | - Quan Li
- Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610000, P. R. China
| | - Yang Wang
- Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610000, P. R. China
| | - Wen Sun
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610000, P. R. China
| | - ChuanZhu Lv
- Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610000, P. R. China
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Kim H, Lee S, Ju Y, Kim H, Jang H, Park Y, Lee SM, Yong D, Kang T, Park HG. Multifunctional self-priming hairpin probe-based isothermal nucleic acid amplification and its applications for COVID-19 diagnosis. Biosens Bioelectron 2024; 253:116147. [PMID: 38452568 DOI: 10.1016/j.bios.2024.116147] [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: 12/23/2023] [Revised: 02/12/2024] [Accepted: 02/19/2024] [Indexed: 03/09/2024]
Abstract
We herein present a multifunctional self-priming hairpin probe-based isothermal amplification, termed MSH, enabling one-pot detection of target nucleic acids. The sophisticatedly designed multifunctional self-priming hairpin (MSH) probe recognizes the target and rearranges to prime itself, triggering the amplification reaction powered by the continuously repeated extension, nicking, and target recycling. As a consequence, a large number of double-stranded DNA (dsDNA) amplicons are produced that could be monitored in real-time using a dsDNA-intercalating dye. Based on this unique design approach, the nucleocapsid (N) and the open reading frame 1 ab (ORF1ab) genes of SARS-CoV-2 were successfully detected down to 1.664 fM and 0.770 fM, respectively. The practical applicability of our method was validated by accurately diagnosing 60 clinical samples with 93.33% sensitivity and 96.67% specificity. This isothermal one-pot MSH technique holds great promise as a point-of-care testing protocol for the reliable detection of a wide spectrum of pathogens, particularly in resource-limited settings.
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Affiliation(s)
- Hansol Kim
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea; Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Seoyoung Lee
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Yong Ju
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hyoyong Kim
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hyowon Jang
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea; Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Yeonkyung Park
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea; Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Sang Mo Lee
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Dongeun Yong
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Taejoon Kang
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea; School of Pharmacy, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea.
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular Engineering (BK 21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
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6
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Kieffer C, Rondelez Y, Gines G. Coupling Exponential to Linear Amplification for Endpoint Quantitative Analysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309386. [PMID: 38593401 DOI: 10.1002/advs.202309386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 03/26/2024] [Indexed: 04/11/2024]
Abstract
Exponential DNA amplification techniques are fundamental in ultrasensitive molecular diagnostics. These systems offer a wide dynamic range, but the quantification requires real-time monitoring of the amplification reaction. Linear amplification schemes, despite their limited sensitivity, can achieve quantitative measurement from a single end-point readout, suitable for low-cost, point-of-care, or massive testing. Reconciling the sensitivity of exponential amplification with the simplicity of end-point readout would thus break through a major design dilemma and open a route to a new generation of massively scalable quantitative bioassays. Here a hybrid nucleic acid-based circuit design is introduced to compute a logarithmic function, therefore providing a wide dynamic range based on a single end-point measurement. CELIA (Coupling Exponential amplification reaction to LInear Amplification) exploits a versatile biochemical circuit architecture to couple a tunable linear amplification stage - optionally embedding an inverter function - downstream of an exponential module in a one-pot format. Applied to the detection of microRNAs, CELIA provides a limit of detection in the femtomolar range and a dynamic range of six decades. This isothermal approach bypasses thermocyclers without compromising sensitivity, thereby opening the way to applications in various diagnostic assays, and providing a simplified, cost-efficient, and high throughput solution for quantitative nucleic acid analysis.
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Affiliation(s)
- Coline Kieffer
- Laboratoire Gulliver, UMR7083 CNRS/ESPCI Paris-PSL Research University, 10 rue Vauquelin, Paris, 75005, France
| | - Yannick Rondelez
- Laboratoire Gulliver, UMR7083 CNRS/ESPCI Paris-PSL Research University, 10 rue Vauquelin, Paris, 75005, France
| | - Guillaume Gines
- Laboratoire Gulliver, UMR7083 CNRS/ESPCI Paris-PSL Research University, 10 rue Vauquelin, Paris, 75005, France
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Zhou B, Khan IM, Ding X, Niazi S, Zhang Y, Wang Z. Fluorescent DNA-Silver nanoclusters in food safety detection: From synthesis to application. Talanta 2024; 273:125834. [PMID: 38479031 DOI: 10.1016/j.talanta.2024.125834] [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: 01/07/2024] [Revised: 02/22/2024] [Accepted: 02/24/2024] [Indexed: 04/09/2024]
Abstract
In recent years, the conventional preparation of silver nanoclusters (AgNCs) has attracted much attention due to their ultra-small size, tunable fluorescence, easy-to-engineer, as well as biocompatible material. Moreover, its great affinity towards cytosine bases on single-stranded DNA has led to the construction of biosensors, especially aptamers, for a broad variety of applications in food safety and environmental protection. In past years, numerous researchers paid attention to the construction of AgNCs aptasensor. Therefore, this review will be an effort to summarize the synthetic strategy along with the influences of factors on synthesis, categorize the sensing mechanism of aptamer-functionalized AgNCs biosensors, as well as their specific applications in food safety detection including heavy metal, toxin, and foodborne pathogenic bacteria. Furthermore, a brief conclusion and outlook regarding the prospects and challenges of their applications in food safety were drawn in line with the developments in DNA-AgNCs.
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Affiliation(s)
- Bingxuan Zhou
- State Key Laboratory of Food Science and Resources, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China
| | - Imran Mahmood Khan
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo, 315100, China.
| | - Xiaowei Ding
- State Key Laboratory of Food Science and Resources, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China
| | - Sobia Niazi
- State Key Laboratory of Food Science and Resources, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China
| | - Yin Zhang
- Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu, 610106, PR China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; International Joint Laboratory on Food Safety, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Lihu Road 1800, Wuxi, 214122, PR China; Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu, 610106, PR China.
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Wang H, Liu J, Fang Y, Shen X, Liu H, Yu L, Zeng S, Cai S, Zhou J, Li Z. Design and analysis of self-priming extension DNA hairpin probe for miRNA detection based on a unified dynamic programming framework. Anal Chim Acta 2024; 1303:342530. [PMID: 38609269 DOI: 10.1016/j.aca.2024.342530] [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: 12/19/2023] [Revised: 02/03/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024]
Abstract
MicroRNAs (miRNAs) are potential biomarkers for cancer diagnosis and prognosis, methods for detecting miRNAs with high sensitivity, selectivity, and stability are urgently needed. Various nucleic acid probes that have traditionally been for this purpose suffer several drawbacks, including inefficient signal-to-noise ratios and intensities, high cost, and time-consuming method establishment. Computing tools used for investigating the thermodynamics of DNA hybridization reactions can accurately predict the secondary structure of DNA and the interactions between DNA molecules. Herein, NUPACK was used to design a series of nucleic acid probes and develop a phosphorothioated-terminal hairpin formation and self-priming extension (PS-THSP) signal amplification strategy, which enabled the ultrasensitive detection of miR-200a in serum samples. The free and binding energies of the DNA detection probes calculated using NUPACK, as well as the biological experimental results, were considered synthetically to select the best sequence and experimental conditions. A unified dynamic programming framework, NUPACK analysis and the experimental data, were complementary and improved the designed model in all respects. Our study demonstrates the feasibility of using computer technology such as NUPACK to simplify the experimental process and provide intuitive results.
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Affiliation(s)
- Hecheng Wang
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Jiatong Liu
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yanyan Fang
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Xudan Shen
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Hui Liu
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310020, China
| | - Lushan Yu
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Sheng Cai
- Institute of Drug Metabolism and Pharmaceutical Analysis, National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China.
| | - Jingjing Zhou
- Beijing Lab for Cardiovascular Precision Medicine, Echocardiography Medical Center, Maternal-Fetal Medicine Center in Fetal Heart Disease, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China.
| | - Zheyong Li
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310020, China; Zhejiang University Sir Run Run Shaw Alaer Hospital, Alaer, Xinjiang, 843300, China.
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Su F, Liu W, Gao K, Chen D, Cheng Y, Li Z. Specific quantitative detection of N 6-methyladenosine at single-base resolution by extension-based isothermal exponential amplification reaction (E-IEXPAR). Anal Chim Acta 2024; 1302:342474. [PMID: 38580403 DOI: 10.1016/j.aca.2024.342474] [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: 01/15/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND N6-methyladenosine (m6A) is a common modification in RNA, crucial for various cellular functions and associated with human diseases. Quantification of m6A at single-base resolution is of great significance for exploring its biological roles and related disease research. However, existing analysis techniques, such as polymerase chain reaction (PCR) or loop-mediated isothermal amplification (LAMP), face challenges like the requirement for thermal cycling or intricate primer design. Therefore, it is urgent to establish a simple, non-thermal cycling and highly sensitive assay for m6A. RESULTS Leveraging the inhibitory effect of m6A on primer elongation and uncomplicated feature of the isothermal exponential amplification reaction (IEXPAR), we have developed an extension-based IEXPAR (E-IEXPAR). This approach requires just a single extension primer and one template, simplifying the design process in comparison to the more complex primer requirements of the LAMP methods. The reactions are conducted at constant temperatures, therby elimiating the use of thermal cycling that needed in PCR methods. By combining IEXPAR with an extension reaction, E-IEXPAR can identify m6A in RNA concentrations as low as 4 fM. We have also introduced a new analytical model to process E-IEXPAR results, which can aid to minimize the impact of unmodified adenine (A) on m6A measurements, enabling accurate m6A quantification in small mixed samples and cellular RNA specimens. SIGNIFICANCE AND NOVELTY E-IEXPAR streamlines m6A detection by eliminating the need for intricate primer design and thermal cycling, which are common in current analytical methods. Its utilization of an extension reaction for the initial identification of m6A, coupled with a novel calculation model tailored to E-IEXPAR outcomes, ensures accurate m6A selectivity in mixed samples. As a result, E-IEXPAR offers a reliable, straightforward, and potentially economical approach for specifically assaying m6A in both biological function studies and clinical research.
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Affiliation(s)
- Fengxia Su
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, PR China
| | - Weiliang Liu
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, PR China
| | - Kejian Gao
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, PR China
| | - Desheng Chen
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, PR China
| | - Yongqiang Cheng
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis (Hebei University), Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Hebei University, Baoding, 071002, Hebei, PR China
| | - Zhengping Li
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, PR China.
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10
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Zhang Z, Liu T, Dong M, Ahamed MA, Guan W. Sample-to-answer salivary miRNA testing: New frontiers in point-of-care diagnostic technologies. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1969. [PMID: 38783564 PMCID: PMC11141732 DOI: 10.1002/wnan.1969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/10/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
MicroRNA (miRNA), crucial non-coding RNAs, have emerged as key biomarkers in molecular diagnostics, prognosis, and personalized medicine due to their significant role in gene expression regulation. Salivary miRNA, in particular, stands out for its non-invasive collection method and ease of accessibility, offering promising avenues for the development of point-of-care diagnostics for a spectrum of diseases, including cancer, neurodegenerative disorders, and infectious diseases. Such development promises rapid and precise diagnosis, enabling timely treatment. Despite significant advancements in salivary miRNA-based testing, challenges persist in the quantification, multiplexing, sensitivity, and specificity, particularly for miRNA at low concentrations in complex biological mixtures. This work delves into these challenges, focusing on the development and application of salivary miRNA tests for point-of-care use. We explore the biogenesis of salivary miRNA and analyze their quantitative expression and their disease relevance in cancer, infection, and neurodegenerative disorders. We also examined recent progress in miRNA extraction, amplification, and multiplexed detection methods. This study offers a comprehensive view of the development of salivary miRNA-based point-of-care testing (POCT). Its successful advancement could revolutionize the early detection, monitoring, and management of various conditions, enhancing healthcare outcomes. This article is categorized under: Diagnostic Tools > Biosensing Diagnostic Tools > Diagnostic Nanodevices.
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Affiliation(s)
- Zhikun Zhang
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
- Department of Biomedical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Tianyi Liu
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Ming Dong
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Md. Ahasan Ahamed
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
| | - Weihua Guan
- Department of Electrical Engineering, Pennsylvania State University, University Park 16802, USA
- Department of Biomedical Engineering, Pennsylvania State University, University Park 16802, USA
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11
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Doganay MT, Roman E, Hujer AM, Bonomo RA, Deeks SG, Kuritzkes DR, Draz MS. AMPLON: Amplifying DNA with Multiarm Priming and Looping Optimization of Nucleic Acid. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2311634. [PMID: 38657970 DOI: 10.1002/adma.202311634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 04/22/2024] [Indexed: 04/26/2024]
Abstract
Nucleic acid amplification, the bedrock of biotechnology and molecular diagnostics, surges in applications-especially isothermal approaches-heightening the demand for advanced and precisely engineered methods. Here, a novel approach for amplifying DNA with multiarm priming and looping optimization of nucleic acid (AMPLON) is presented. AMPLON relies on a novel polymeric material with unique set of multiarm polyethylene glycol-DNA primers for efficient DNA amplification under isothermal conditions. Each arm carries single-stranded DNA complementing the sense or antisense sequence of the target DNA. The amplification reaction begins with antisense arms binding to the target DNA, forming a template for sense-carrying arms to direct multiarm large DNA amplicon synthesis through successive DNA looping and unlooping steps. Using human immunodeficiency virus type 1 (HIV-1) as a model clinical target, AMPLON exhibits high sensitivity, detecting target concentrations as low as 100 copies mL-1. Compared to a quantitative real-time polymerase chain reaction assay using sensitive primers, AMPLON reliably identifies HIV-1 RNA in plasma samples (n = 20) with a significant agreement rate of 95%. With its ability to achieve highly specific and sensitive target amplification within 30 min, AMPLON holds immense potential to transform the field of nucleic acid research and unleashing new possibilities in medicine and biotechnology.
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Affiliation(s)
- Mert Tunca Doganay
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Ethan Roman
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Andrea M Hujer
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, OH, 44106, USA
| | - Robert A Bonomo
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, OH, 44106, USA
- Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Steven G Deeks
- Department of Medicine, University of California, San Francisco, CA, 94110, USA
| | - Daniel R Kuritzkes
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA
- Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02139, USA
| | - Mohamed S Draz
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
- Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, 44106, USA
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12
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Ang YS, Yung LYL. Protein-to-DNA Converter with High Signal Gain. ACS NANO 2024; 18:10454-10463. [PMID: 38572806 DOI: 10.1021/acsnano.3c11435] [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: 04/05/2024]
Abstract
DNA isothermal amplification techniques have been applied extensively for evaluating nucleic acid inputs but cannot be implemented directly on other types of biomolecules. In this work, we designed a proximity activation mechanism that converts protein input into DNA barcodes for the DNA exponential amplification reaction, which we termed PEAR. Several design parameters were identified and experimentally verified, which included the choice of enzymes, sequences of proximity probes and template strand via the NUPACK design tool, and the implementation of a hairpin lock on the proximity probe structure. Our PEAR system was surprisingly more robust against nonspecific DNA amplification, which is a major challenge faced in existing formats of the DNA-based exponential amplification reaction. The as-designed PEAR exhibited good target responsiveness for three protein models with a dynamic range of 4-5 orders of magnitude down to femtomolar input concentration. Overall, our proposed protein-to-DNA converter module led to the development of a stable and robust configuration of the DNA exponential amplification reaction to achieve high signal gain. We foresee this enabling the use of protein inputs for more complex molecular evaluation as well as ultrasensitive protein detection.
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Affiliation(s)
- Yan Shan Ang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
| | - Lin-Yue Lanry Yung
- Department of Chemical & Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
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13
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Kriukienė E, Tomkuvienė M, Klimašauskas S. 5-Hydroxymethylcytosine: the many faces of the sixth base of mammalian DNA. Chem Soc Rev 2024; 53:2264-2283. [PMID: 38205583 DOI: 10.1039/d3cs00858d] [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: 01/12/2024]
Abstract
Epigenetic phenomena play a central role in cell regulatory processes and are important factors for understanding complex human disease. One of the best understood epigenetic mechanisms is DNA methylation. In the mammalian genome, cytosines (C) in CpG dinucleotides were long known to undergo methylation at the 5-position of the pyrimidine ring (mC). Later it was found that mC can be oxidized to 5-hydroxymethylcytosine (hmC) or even further to 5-formylcytosine (fC) and to 5-carboxylcytosine (caC) by the action of 2-oxoglutarate-dependent dioxygenases of the TET family. These findings unveiled a long elusive mechanism of active DNA demethylation and bolstered a wave of studies in the area of epigenetic regulation in mammals. This review is dedicated to critical assessment of recent data on biochemical and chemical aspects of the formation and conversion of hmC in DNA, analytical techniques used for detection and mapping of this nucleobase in mammalian genomes as well as epigenetic roles of hmC in DNA replication, transcription, cell differentiation and human disease.
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Affiliation(s)
- Edita Kriukienė
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
| | - Miglė Tomkuvienė
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
| | - Saulius Klimašauskas
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
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14
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Guo H, Chen J, Feng Y, Dai Z. A Simple and Robust Exponential Amplification Reaction (EXPAR)-Based Hairpin Template (exp-Hairpin) for Highly Specific, Sensitive, and Universal MicroRNA Detection. Anal Chem 2024; 96:2643-2650. [PMID: 38295438 DOI: 10.1021/acs.analchem.3c05323] [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: 02/02/2024]
Abstract
Specific and sensitive detection of microRNAs continues to encounter significant challenges, especially in the development of rapid and efficient isothermal amplification strategies for point-of-care settings. The exponential amplification reaction (EXPAR) has garnered significant attention owing to its simplicity and rapid amplification of signals within a short period. However, a substantial loss of amplification efficiency, difficulty in distinguishing closely related homologous sequences, and adapting the designed templates to other targets seriously hamper the practical application of the EXPAR. In this work, a hairpin template tailored for the EXPAR system (exp-Hairpin) was constructed by adding identical trigger sequences and enzyme cleavage sites on two arms of the hairpin, achieving theoretically more than 2n amplification efficiency and minimal background amplification of EXPAR. Modulating the stability of the exp-Hairpin template by increasing the stem length, the specificity of detecting target miRNA in highly homologous sequences could be significantly improved. Using miRNA let-7a as a target model, the exp-Hairpin with 8 bp stem length for EXPAR amplification curves could effectively distinguish target let-7a and nontarget let-7b/7c/7f/7g/7i homologous sequences. This strategy enabled the sensitive and accurate analysis of let-7a in diluted human serum with satisfactory recoveries. By simply replacing the loop recognition sequence of exp-Hairpin, the specific detection of miR-200b was also achieved, demonstrating the universality of this strategy. The exp-Hairpin EXPAR accelerates simple and rapid molecular diagnostic applications for short nucleic acids.
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Affiliation(s)
- Haijing Guo
- College of Chemistry and Materials Science, Northwest University, Xi'an 710127, PR China
| | - Jun Chen
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, PR China
| | - Yaqiang Feng
- College of Chemistry and Materials Science, Northwest University, Xi'an 710127, PR China
| | - Zong Dai
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Guangzhou 510006, PR China
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15
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Zeng D, Jiao J, Mo T. Combination of nucleic acid amplification and CRISPR/Cas technology in pathogen detection. Front Microbiol 2024; 15:1355234. [PMID: 38380103 PMCID: PMC10877009 DOI: 10.3389/fmicb.2024.1355234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/16/2024] [Indexed: 02/22/2024] Open
Abstract
Major health events caused by pathogenic microorganisms are increasing, seriously jeopardizing human lives. Currently PCR and ITA are widely used for rapid testing in food, medicine, industry and agriculture. However, due to the non-specificity of the amplification process, researchers have proposed the combination of nucleic acid amplification technology with the novel technology CRISPR for detection, which improves the specificity and credibility of results. This paper summarizes the research progress of nucleic acid amplification technology in conjunction with CRISPR/Cas technology for the detection of pathogens, which provides a reference and theoretical basis for the subsequent application of nucleic acid amplification technology in the field of pathogen detection.
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Affiliation(s)
| | | | - Tianlu Mo
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
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16
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Chen M, Jiang X, Hu Q, Long J, He J, Wu Y, Wu Z, Niu Y, Jing C, Yang X. Toehold-Containing Three-Way Junction-Initiated Multiple Exponential Amplification and CRISPR/Cas14a Assistant Magnetic Separation Enhanced Visual Detection of Mycobacterium Tuberculosis. ACS Sens 2024; 9:62-72. [PMID: 38126108 DOI: 10.1021/acssensors.3c01622] [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: 12/23/2023]
Abstract
Rapid and simple nucleic acid detection is significant for disease diagnosis and pathogen screening, especially under specific conditions. However, achieving highly sensitive and specific nucleic acid detection to meet the time and equipment demand remains technologically challenging. In this study, we proposed a magnetic separation enhanced colorimetry biosensor based on a toehold-containing three-way junction (TWJ) induced multiple isothermal exponential amplification and the CRISPR/Cas14a (C-TEC) biosensor. The TWJ template was designed as a Y-X-Y structure. In the presence of the target, the formation of toehold-containing TWJ complex induced primer extension, leading to the generation of amplified single-stranded DNA; this amplified DNA could then bind to either the free TWJ template for EXPAR reaction or the toehold of the TWJ complex for toehold-mediated strand displacement, thereby enabling the recycling of the target. The amplification products could trigger CRISPR/Cas14a for efficient trans-cleavage and release the magnetically bound gold nanoparticle probes for colorimetry detection. Using Mycobacterium tuberculosis 16S rDNA as the target, the proposed C-TEC could detect 16S rDNA down to 50 fM by the naked eye and 20.71 fM by UV-vis detector at 520 nm within 90 min under optimal conditions. We successfully applied this biosensor to clinical isolates of Mycobacterium tuberculosis. In addition, the C-TEC biosensor also showed feasibility for the detection of RNA viruses. In conclusion, the proposed C-TEC is a convenient, fast, and versatile platform for visual detection of pathogen DNA/RNA and has potential clinical applications.
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Affiliation(s)
- Mengqi Chen
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
| | - Xue Jiang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Qianfang Hu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Jinyan Long
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
| | - Jianwei He
- Department of Clinical Laboratory Medicine, Institute of Surgery Research, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Yuchen Wu
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
| | - Zhili Wu
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
| | - Yanhong Niu
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
| | - Chunmei Jing
- Children's Hospital of Chongqing Medical University, Chongqing 400015, China
| | - Xiaolan Yang
- Chongqing Medical University, Key Laboratory of Medical Laboratory Diagnostics of the Education Ministry, College of Laboratory Medicine, Chongqing 400016, China
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17
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Lin Q, Ye X, Chen H, Fang X, Chen H, Kong J. Binding Activity of Prokaryotic Argonaute for Background-Suppressed Exponential Isothermal Amplification. Anal Chem 2024; 96:620-623. [PMID: 38170960 DOI: 10.1021/acs.analchem.3c05263] [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: 01/05/2024]
Abstract
Prokaryotic Argonautes (pAgos) have been recently used in many nucleic acid biosensing applications but have rarely been used for regulating the isothermal amplification system. Herein, we reported Thermus thermophilus Argonaute (TtAgo)-mediated background-suppressed exponential isothermal amplification (EXPAR) as the first example to explore the binding activity of pAgos toward regulation of the amplification template. It was demonstrated that thermophilic pAgos efficiently eliminated nonspecific hybridization between templates by their binding affinity with the template, resulting in greatly enhancing the specificity of EXPAR. TtAgo-mediated, background-suppressed EXPAR was employed to detect miRNA with a detection limit of 10-15 M, which was 1000 times and 100 times more sensitive than that of traditional RT-PCR and EXPAR, respectively. This method further showed good performance in discriminating cancer patients from healthy individuals, indicating its potential for practical clinical applications.
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Affiliation(s)
- Qiuyuan Lin
- Department of Laboratory Medicine, Key Laboratory of Clinical Laboratory Technology for Precision Medicine, School of Medical Technology and Engineering Fujian Medical University, Fuzhou 350005, China
| | - Xin Ye
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi PR China
| | - Hongyuan Chen
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200437, China
| | - Xueen Fang
- Department of Chemistry, Fudan University, Shanghai 200437, China
| | - Hui Chen
- Department of Chemistry, Fudan University, Shanghai 200437, China
| | - Jilie Kong
- Department of Chemistry, Fudan University, Shanghai 200437, China
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18
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Wang H, Guo L, Du Q, Zhou Y, Yu Q, Lv S, Bi S. Pyroelectric-Effect-Assisted Near-Infrared-Driven Photoelectrochemical Biosensor Based on Exponential DNA Amplifier for MicroRNA Detection. Anal Chem 2024; 96:581-589. [PMID: 38150390 DOI: 10.1021/acs.analchem.3c04931] [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: 12/29/2023]
Abstract
Although near-infrared responsive photoelectrochemical (PEC) biosensors have less damage to biological components compared to UV-visible light, they still reveal an inferior response due to the rapid recombination of photogenerated electron-hole. In this study, a near-infrared-driven PEC biosensor is fabricated for microRNA (miRNA) detection via integrating photoelectricity and pyroelectricity. Upon the introduction of target miRNA-21, the exponential DNA amplifier is triggered based on enzyme-assisted strand displacement amplification (SDA), releasing multiple Ag2S reporter probes to hybridize with capture probes immobilized on a CdS-2-mercaptobenzimidazole (2MBI)-modified photoelectrode. As a result, under the stimulation of NIR, the photoelectric conversion of Ag2S NPs generates the photocurrents. In addition, due to the strong hole acceptor ability of MBI, the pyroelectric effect of CdS-2MBI nanocomposites is enhanced, which generates highly pyroelectro-induced charge separation efficiency and induces the pyroelectric current benefited from the spontaneous polarization of CdS-2MBI caused by the temperature variation under the function of Ag2S nanoheaters. Impressively, this PEC biosensor has achieved the sensitive and selective determination of miRNA-21 with a detection limit as low as 54 fM. Overall, this NIR-driven PEC biosensor based on pyroelectric and photoelectric effects opens up a new horizon for bioanalysis and early disease diagnosis.
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Affiliation(s)
- Huijie Wang
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Li Guo
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Qingyu Du
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Yuting Zhou
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Qi Yu
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Shuzhen Lv
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
| | - Sai Bi
- College of Chemistry and Chemical Engineering, Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, P. R. China
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19
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Yao C, Liu X, Lu X, Wang L, Jia J, Li Z. Smartphone-Based Fluorescent Profiling of Quaternary MicroRNAs in Urine for Rapid Diagnosis of Urological Cancers Using a Multiplexed Isothermal Exponential Amplification Reaction. Anal Chem 2024; 96:419-426. [PMID: 38152877 DOI: 10.1021/acs.analchem.3c04461] [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: 12/29/2023]
Abstract
Urological cancers such as bladder or prostate cancer represent one of the most malignant tumors that accounts for an extremely high mortality. However, conventionally standard diagnostics for urological cancers are hardly available in low-resource settings. We developed herein a hand-held fluorescent imaging platform by integrating a multiplexed isothermal exponential amplification reaction (EXPAR) with a microgel-enriched methodology for sensitive profiling of quaternary microRNAs (miRNAs) in urine and quick diagnosis of urological cancers at the early stage. The target miRNA mixtures in the urine underwent four parallel EXPARs without cross-reactivity, followed by surface concentration and hybridization by the encoded polyacrylamide microgels. This mix-and-read strategy allowed for one-pot analysis of several key miRNAs simultaneously and provided 5-fold enhancement in fluorescent detection sensitivities compared to the individual EXPAR-based assays. Four urinary miRNAs (let-7a, miRNA-155, -223, and -143) could be quantitatively determined in a wide linear range from 50 fM to 30 nM, with the limits of detection at femtomolar levels. Using a smartphone-based imaging microreader, healthy and cancerous cohorts with prostate, bladder, and renal cell cancers could be discriminated in 30 min with the accuracy >83% using linear discriminant analysis. The developed detection platform has proven to be a portable, noninvasive, and useful complement to the toolbox for miRNA-based liquid biopsies, which holds immense potential and advantage for regular and large-scale applications in early cancer diagnosis.
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Affiliation(s)
- Chanyu Yao
- Institute for Advanced Study, Shenzhen University, 3688 Nanhai Road, Shenzhen, Guangdong 518060, P. R. China
| | - Xueliang Liu
- School of Basic Medical Sciences, Xinxiang Medical University, 601 Jinsui Road, Xinxiang, Henan 453003, P. R. China
| | - Xiaohui Lu
- Institute for Advanced Study, Shenzhen University, 3688 Nanhai Road, Shenzhen, Guangdong 518060, P. R. China
| | - Lei Wang
- Department of Urology, Xinxiang Central Hospital, Xinxiang Medical College, 56 Jinsui Road, Xinxiang, Henan 453003, P. R. China
| | - Jia Jia
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou University People's Hospital, Zhengzhou, Henan 450003, P. R. China
| | - Zheng Li
- Institute for Advanced Study, Shenzhen University, 3688 Nanhai Road, Shenzhen, Guangdong 518060, P. R. China
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20
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Garafutdinov RR, Kupova OY, Sakhabutdinova AR. Influence of Nucleotide Context on Non-Specific Amplification of DNA with Bst exo - DNA Polymerase. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:53-64. [PMID: 38467545 DOI: 10.1134/s0006297924010036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/30/2023] [Accepted: 12/02/2023] [Indexed: 03/13/2024]
Abstract
Isothermal nucleic acids amplification that requires DNA polymerases with strand-displacement activity gained more attention in the last two decades. Among the DNA polymerases with strand-displacement activity, Bst exo- is the most widely used. However, it tends to carry out nonspecific DNA synthesis through multimerization. In this study, the effect of nucleotide sequence on the Bst exo- binding with DNA and on the efficiency of multimerization initiation, are reported. Preference for binding of the "closed" form of Bst exo- to the purine-rich DNA sequences, especially those containing dG at the 3'-end of the growing chain was revealed using molecular docking of the single-stranded trinucleotides (sst) and trinucleotide duplexes (dst). The data obtained in silico were confirmed in the experiments using oligonucleotide templates that differ in the structure of the 3'- and 5'-terminal motifs. It has been shown that templates with the oligopurine 3'-terminal fragment and oligopyrimidine 5'-terminal part contribute to the earlier start of multimerization. The results can be used for design of nucleotide sequences suitable for reliable isothermal amplification. To avoid multimerization, DNA templates and primers containing terminal dA and/or dG nucleotides should be excluded.
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Affiliation(s)
- Ravil R Garafutdinov
- Institute of Biochemistry and Genetics, Ufa Federal Research Center, Russian Academy of Sciences, Ufa, 450054, Russia.
| | - Olga Yu Kupova
- Institute of Biochemistry and Genetics, Ufa Federal Research Center, Russian Academy of Sciences, Ufa, 450054, Russia
| | - Assol R Sakhabutdinova
- Institute of Biochemistry and Genetics, Ufa Federal Research Center, Russian Academy of Sciences, Ufa, 450054, Russia
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21
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Li Y, Zhang X, Liao Y, Shi C, Wang Y, Mu X, Xie Y, Ma C. Engineering of a Chimeric Template Triggers RNase H-Based Isothermal Amplification Approach for Sensitive Detection of Pathogen RNA. Anal Chem 2023; 95:18249-18257. [PMID: 38041626 DOI: 10.1021/acs.analchem.3c04098] [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: 12/03/2023]
Abstract
RNA-based detection of pathogenic organisms is an emerging field of research that is crucial for disease diagnosis and environmental and food safety. By rationally engineering an RNA-DNA tandem (RDT) structural template, we proposed a novel RNase H-based isothermal exponential amplification (RH-IEA) reaction to rapidly identify long-stranded RNA. In this strategy, the rigid and compact RDT template selectively recognized the target RNA and formed a stable hybrid with it. Upon site-specific cleavage of RNase H, the 3' overhang of the target RNA was cut off, and a free hydroxyl end at the hydrolysis site was generated to trigger an exponential amplification reaction (EXPAR). This method maintained the high efficiency and rapid amplification kinetics of EXPAR. As a result, the RH-IEA strategy was able to sensitively and specifically detect the characteristic sequence of Escherichia coli O157:H7 RNA, with a detection sensitivity of 1 fg/μL. Besides, the RDT template can be used as an RNA protector to prevent specific segments of the target RNA from being degraded by RNase enzymes, allowing the sample to be stored at room temperature for a long time. With this advantage, the practicality of RH-IEA will be more flexible than the reverse transcription polymerase chain reaction. It was successfully applied in the identification of E. coli O157:H7 in milk with a minimum detection concentration of 1.0 × 102 CFU/mL. Therefore, the RH-IEA method will serve as a powerful tool for detecting long-stranded RNA and will also shed light on the pathogen detection in food safety and molecular diagnosis.
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Affiliation(s)
- Yong Li
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, Qingdao Key Laboratory of Nucleic Acid Rapid Detection, Sino-UAE International Cooperative Joint Laboratory of Pathogenic Microorganism Rapid Detection, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xin Zhang
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, Qingdao Key Laboratory of Nucleic Acid Rapid Detection, Sino-UAE International Cooperative Joint Laboratory of Pathogenic Microorganism Rapid Detection, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yu Liao
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, Qingdao Key Laboratory of Nucleic Acid Rapid Detection, Sino-UAE International Cooperative Joint Laboratory of Pathogenic Microorganism Rapid Detection, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Chao Shi
- Qingdao Navid Biotechnology Co., Ltd, Qingdao JianMa Gene Technology Co., Ltd, Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, the Affiliated Hospital of Qingdao University, College of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Ye Wang
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao 266042, China
| | - Xiaofeng Mu
- Clinical Laboratory, Qingdao Central Hospital, The Second Affiliated Hospital of Medical College of Qingdao University, Qingdao 266042, China
| | - Yingqiu Xie
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Cuiping Ma
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, Qingdao Key Laboratory of Nucleic Acid Rapid Detection, Sino-UAE International Cooperative Joint Laboratory of Pathogenic Microorganism Rapid Detection, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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22
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Wang F, Ma X, Ye J, Shi C, Chen Y, Yu Z, Li T, Yang D, Li M, Wang P. Precise Detection of Viral RNA by Programming Multiplex Rolling Circle Amplification and Strand Displacement. Anal Chem 2023; 95:17699-17707. [PMID: 37971750 DOI: 10.1021/acs.analchem.3c03548] [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: 11/19/2023]
Abstract
Detection of viral infections (e.g., SARS-CoV-2) with high precision is critical to disease control and treatment. There is an urgent need to develop point-of-care detection methods to complement the gold standard laboratory-based PCR assay with comparable sensitivity and specificity. Herein, we developed a method termed mCAD to achieve ultraspecific point-of-care detection of SARS-CoV-2 RNA while maintaining high sensitivity by programming multiplex rolling circle amplification and toehold-mediated strand displacement reactions. RCA offers sufficient amplification of RNA targets for subsequent detection. Most importantly, a multilayer of detection specificity is implemented into mCAD via sequence-specific hybridization of nucleic acids across serial steps of this protocol to fully eliminate potential false-positive detections. Using mCAD, we demonstrated a highly specific, sensitive, and convenient visual detection of SARS-CoV-2 RNA from both synthetic and clinical samples, exhibiting performance comparable to qPCR. We envision that mCAD will find its broad applications in clinical prospects for nucleic acid detections readily beyond SARS-CoV-2 RNA.
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Affiliation(s)
- Fukai Wang
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200233, China
| | - Xiaowei Ma
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Jing Ye
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Chenzhi Shi
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Yun Chen
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Zhicai Yu
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Tianming Li
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Donglei Yang
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Min Li
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Pengfei Wang
- Institute of Molecular Medicine, Department of Laboratory Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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23
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Chen X, He Z, Huang X, Sun Z, Cao H, Wu L, Zhang S, Hammock BD, Liu X. Illuminating the path: aggregation-induced emission for food contaminants detection. Crit Rev Food Sci Nutr 2023:1-28. [PMID: 37983139 DOI: 10.1080/10408398.2023.2282677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Food safety is a global concern that deeply affects human health. To ensure the profitability of the food industry and consumer safety, there is an urgent need to develop rapid, sensitive, accurate, and cost-effective detection methods for food contaminants. Recently, the Aggregation-Induced Emission (AIE) has been successfully used to detect food contaminants. AIEgens, fluorescent dyes that cause AIE, have several valuable properties including high quantum yields, photostability, and large Stokes shifts. This review provides a detailed introduction to the principles and advantages of AIE-triggered detection, followed by a focus on the past five years' applications of AIE in detecting various food contaminants including pesticides, veterinary drugs, mycotoxins, food additives, ions, pathogens, and biogenic amines. Each detection principle and component is comprehensively covered and explained. Moreover, the similarities and differences among different types of food contaminants are summarized, aiming to inspire future researchers. Finally, this review concludes with a discussion of the prospects for incorporating AIEgens more effectively into the detection of food contaminants.
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Affiliation(s)
- Xincheng Chen
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Zhenyun He
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Nanchang University, Nanchang, China
| | - Zhichang Sun
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Hongmei Cao
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Long Wu
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Sihang Zhang
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
| | - Bruce D Hammock
- Department of Entomology and Nematology, and UC Davis Comprehensive Cancer Center, University of California, Davis, Davis, California, USA
| | - Xing Liu
- School of Food Science and Engineering, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou, China
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24
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Feng X, Liu Y, Zhao Y, Sun Z, Xu N, Zhao C, Xia W. Recombinase Polymerase Amplification-Based Biosensors for Rapid Zoonoses Screening. Int J Nanomedicine 2023; 18:6311-6331. [PMID: 37954459 PMCID: PMC10637217 DOI: 10.2147/ijn.s434197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 10/21/2023] [Indexed: 11/14/2023] Open
Abstract
Recent, outbreaks of new emergency zoonotic diseases have prompted an urgent need to develop fast, accurate, and portable screening assays for pathogen infections. Recombinase polymerase amplification (RPA) is sensitive and specific and can be conducted at a constant low temperature with a short response time, making it especially suitable for on-site screening and making it a powerful tool for preventing or controlling the spread of zoonoses. This review summarizes the design principles of RPA-based biosensors as well as various signal output or readout technologies involved in fluorescence detection, lateral flow assays, enzymatic catalytic reactions, spectroscopic techniques, electrochemical techniques, chemiluminescence, nanopore sequencing technologies, microfluidic digital RPA, and clustered regularly interspaced short palindromic repeats/CRISPR-associated systems. The current status and prospects of the application of RPA-based biosensors in zoonoses screening are highlighted. RPA-based biosensors demonstrate the advantages of rapid response, easy-to-read result output, and easy implementation for on-site detection, enabling development toward greater portability, automation, and miniaturization. Although there are still problems such as high cost with unstable signal output, RPA-based biosensors are increasingly becoming one of the most important means of on-site pathogen screening in complex samples involving environmental, water, food, animal, and human samples for controlling the spread of zoonotic diseases.
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Affiliation(s)
- Xinrui Feng
- College of Public Health, Jilin Medical University, Jilin, 132013, People’s Republic of China
- Medical College, Yanbian University, Yanji, 136200, People’s Republic of China
| | - Yan Liu
- College of Public Health, Jilin Medical University, Jilin, 132013, People’s Republic of China
| | - Yang Zhao
- Department of Emergency and Intensive Medicine, No. 965 Hospital of PLA Joint Logistic Support Force, Jilin, 132013, People’s Republic of China
| | - Zhe Sun
- College of Public Health, Jilin Medical University, Jilin, 132013, People’s Republic of China
- College of Medical Technology, Beihua University, Jilin, 132013, People’s Republic of China
| | - Ning Xu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun, 130062, People’s Republic of China
| | - Chen Zhao
- College of Public Health, Jilin Medical University, Jilin, 132013, People’s Republic of China
| | - Wei Xia
- College of Medical Technology, Beihua University, Jilin, 132013, People’s Republic of China
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25
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He Y, Hu Q, San S, Kasputis T, Splinter MGD, Yin K, Chen J. CRISPR-based Biosensors for Human Health: A Novel Strategy to Detect Emerging Infectious Diseases. Trends Analyt Chem 2023; 168:117342. [PMID: 37840598 PMCID: PMC10571337 DOI: 10.1016/j.trac.2023.117342] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Infectious diseases (such as sepsis, influenza, and malaria), caused by various pathogenic bacteria and viruses, are widespread across the world. Early and rapid detection of disease-related pathogens is necessary to reduce their spread in the world and prevent their potential global pandemics. The clustered regularly interspaced short palindromic repeats (CRISPR) technology, as the next-generation molecular diagnosis technique, holds immense promise in the detection of infectious diseases because of its remarkable advantages, including supreme flexibility, sensitivity, and specificity. While numerous CRISPR-based biosensors have been developed for application in environmental monitoring, food safety, and point-of-care diagnosis, there remains a critical need to summarize and explore their potential in human health. This review aims to address this gap by focusing on the latest advancements in CRISPR-based biosensors for infectious disease detection. We provide an overview of the current status, pre-amplification methods, the unique feature of each CRISPR system, and the design of CRISPR-based biosensing strategies to detect disease-associated nucleic acids. Last but not least, the review analyzes the current challenges and provides future perspectives, which will contribute to developing more effective CRISPR-based biosensors for human health.
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Affiliation(s)
- Yawen He
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Qinqin Hu
- School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
- One Health Center, Shanghai Jiao Tong University-The University of Edinburgh, Shanghai, People’s Republic of China
| | - Samantha San
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Tom Kasputis
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | | | - Kun Yin
- School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
- One Health Center, Shanghai Jiao Tong University-The University of Edinburgh, Shanghai, People’s Republic of China
| | - Juhong Chen
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
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26
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Lim JW, Vu TTH, Le VP, Yeom M, Song D, Jeong DG, Park SK. Advanced Strategies for Developing Vaccines and Diagnostic Tools for African Swine Fever. Viruses 2023; 15:2169. [PMID: 38005846 PMCID: PMC10674204 DOI: 10.3390/v15112169] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
African swine fever (ASF) is one of the most lethal infectious diseases affecting domestic pigs and wild boars of all ages. Over a span of 100 years, ASF has continued to spread over continents and adversely affects the global pig industry. To date, no vaccine or treatment has been approved. The complex genome structure and diverse variants facilitate the immune evasion of the ASF virus (ASFV). Recently, advanced technologies have been used to design various potential vaccine candidates and effective diagnostic tools. This review updates vaccine platforms that are currently being used worldwide, with a focus on genetically modified live attenuated vaccines, including an understanding of their potential efficacy and limitations of safety and stability. Furthermore, advanced ASFV detection technologies are presented that discuss and incorporate the challenges that remain to be addressed for conventional detection methods. We also highlight a nano-bio-based system that enhances sensitivity and specificity. A combination of prophylactic vaccines and point-of-care diagnostics can help effectively control the spread of ASFV.
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Affiliation(s)
- Jong-Woo Lim
- Department of Veterinary Medicine Virology Laboratory, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea; (J.-W.L.); (M.Y.); (D.S.)
| | - Thi Thu Hang Vu
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea;
| | - Van Phan Le
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi 131000, Vietnam;
| | - Minjoo Yeom
- Department of Veterinary Medicine Virology Laboratory, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea; (J.-W.L.); (M.Y.); (D.S.)
| | - Daesub Song
- Department of Veterinary Medicine Virology Laboratory, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea; (J.-W.L.); (M.Y.); (D.S.)
| | - Dae Gwin Jeong
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Bio-Analytical Science Division, University of Science and Technology, Daejeon 34113, Republic of Korea
| | - Song-Kyu Park
- College of Pharmacy, Korea University, Sejong 30019, Republic of Korea;
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27
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Deng L, Zhou S, Dong J, Liu Y, Huang Z, Sun H, Jin L, Huo D, Hou C. CRISPR/Cas12a and primer-assisted rolling circle amplification integrated ultra-sensitive dual-signal sensing platform for EGFR 19 detection. Anal Chim Acta 2023; 1279:341755. [PMID: 37827629 DOI: 10.1016/j.aca.2023.341755] [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: 05/05/2023] [Revised: 07/13/2023] [Accepted: 08/23/2023] [Indexed: 10/14/2023]
Abstract
Herein, we integrated CRISPR/Cas12a with primer-assisted rolling circle amplification (PARCA) to specifically detect EGFR 19 from the genome. We fused the method into fluorescent and electrochemical detection systems forming a stable and sensitive dual-signal sensing platform. The fluorescent detection system stably detected EGFR 19 in a linear range from 500 fM to 10 nM with an ultra-low background signal. The electrochemical detection system possessed a detection limit as low as 42 aM due to the introduction of nanomaterial UIO-66-NH2. The dual-signal sensing platform showed superior performance in complex serum samples and real cell genomes and provided a flexible and dynamic approach for the ultra-sensitive detection of EGFR 19.
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Affiliation(s)
- Liyuan 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, PR China
| | - Shiying Zhou
- 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, PR China
| | - Jiangbo Dong
- 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, PR China
| | - Yin Liu
- 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, PR China
| | - Zhen Huang
- Key Laboratory of Bio-Resource and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, SeNA Research Institute and Szostak-CDHT Large Nucleic Acids Institute, Chengdu, 610000, PR China
| | - Human Sun
- 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, PR China
| | - Liang Jin
- 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, PR 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, PR China; Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, PR 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, PR China; National Facility for Translational Medicine, Shanghai Jiao Tong University, Shanghai, 200240, PR China.
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28
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Zhou S, Li X, Shu X, Cai X, Wu H, Ding S, Yan Y. An all-in-one enzymatic DNA network based on catalytic hairpin assembly for label-free and highly sensitive detection of APE1. Anal Chim Acta 2023; 1278:341678. [PMID: 37709426 DOI: 10.1016/j.aca.2023.341678] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 09/16/2023]
Abstract
Apurinic/apyrimidinic endonuclease 1 (APE1), identified as a prospective cancer biomarker, plays a vital role in the occurrence and progression of cancer cell lines and impacts on genome stability. However, conventional approaches typically rely on the interactions between the antigen and antibody, limiting their utility for qualitative assessments of APE1 expression. Herein, an all-in-one enzymatic DNA network (EDN) assay with catalytic hairpin assembly for label-free and ultrasensitive detection of APE1 has been developed. In this work, the blocking strand can inhibit the initiator by obstructing the complementary region, preventing the hairpin from hybridizing in the absence of APE1 targets. While the presence of targets can activate the unlocking of the initiator, which can trigger the catalytic hairpin reaction, and increase the fluorescent signal. Under optimal conditions, the developed sensing method can detect the target APE1 down to 4.78 × 10-6 U mL-1 with a wide linear range from 5 × 10-6 U mL-1 to 30 U mL-1. This strategy has also been successfully applied to the analysis of complicated biological samples compared to ELISA, demonstrating its potential applications in biochemical and molecular biology research as well as clinical diagnostics. Overall, benefiting from the high amplification efficiency, this strategy has successfully and simply detected low-abundance APE1 without additional enzyme isolation steps, presenting great potential for clinical detection applications.
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Affiliation(s)
- Shaoying Zhou
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China; Department of Clinical Laboratory, The People's Hospital of Yubei District of Chongqing City, Chongqing, 400120, China.
| | - Xingrong Li
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaojia Shu
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Xiaoying Cai
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Haiping Wu
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Shijia Ding
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Yurong Yan
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China.
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29
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Jiang S, Liu T, Liu Q, Zhang Q, Han Y, Tian X, Zhang CY. Rapid, Sensitive, and Label-Free Detection of Long Noncoding RNAs in Breast Cancer Tissues by RecJ f Exonuclease-Assisted Recombinase Polymerase Amplification. Anal Chem 2023; 95:15133-15139. [PMID: 37751602 DOI: 10.1021/acs.analchem.3c03920] [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: 09/28/2023]
Abstract
An abnormal expression level of long noncoding RNAs (lncRNAs) is implicated in multiple cancers, and their sensitive and rapid measurement is pivotal for early cancer diagnosis and cancer treatment. The conventional lncRNA assays often suffer from labor-intensive/time-consuming procedures and limited sensitivity. Herein, we report a simple and sensitive fluorescent biosensor for rapid and label-free measurement of lncRNAs based on recombinase polymerase amplification (RPA) without the involvement of thermal cycling and reverse transcription. Target lncRNAs can bind with the 5'-end of the DNA template to create a DNA-lncRNA hybrid, protecting the DNA template from RecJf exonuclease-mediated degradation. Subsequently, the primers hybridize with the intact DNA templates and are extended to generate the dsDNA products with the assistance of polymerase. The resultant dsDNA products may be amplified by exponential recombinase polymerase amplification to produce abundant dsDNAs, generating a distinct fluorescence signal within 10 min. This biosensor achieves a wide dynamic range from 10-17 to 10-9 M and high sensitivity with a detection limit of 1.23 aM. Moreover, it can distinguish the expressions of lncRNA HOTAIR in the tissues of healthy individuals and breast cancer patients, with broad application prospects in lncRNA-related research and early diagnosis of cancers.
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Affiliation(s)
- Su Jiang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Ting Liu
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Qian Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Qian Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Yun Han
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xiaorui Tian
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Chun-Yang Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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30
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Ma Y, Wu H, Chen S, Xie C, Hu J, Qi X, Ma X, Chu Y, Shan J, Lu Y, Cui L, Zou B, Zhou G. FEN1-aided recombinase polymerase amplification (FARPA) for one-pot and multiplex detection of nucleic acids with an ultra-high specificity and sensitivity. Biosens Bioelectron 2023; 237:115456. [PMID: 37354713 DOI: 10.1016/j.bios.2023.115456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 06/26/2023]
Abstract
Recombinase polymerase amplification (RPA) running at 37-42 °C is fast, efficient and less-implemented; however, the existing technologies of nucleic acid testing based on RPA have some limitations in specificity of single-base recognition and multiplexing capability. Herein, we report a highly specific and multiplex RPA-based nucleic acid detection platform by combining flap endonuclease 1 (FEN1)-catalysed invasive reactions with RPA, termed as FEN1-aided RPA (FARPA). The optimal conditions enable RPA and FEN1-based fluorescence detection to occur automatically and sequentially within a 25-min turnaround time and FARPA exhibits sensitivity to 5 target molecules. Due to the ability of invasive reactions in discriminating single-base variation, this one-pot FARPA is much more specific than the Exo probe-based or CRISPR-based RPA methods. Using a universal primer pair derived from tags in reverse transcription primers, multiplex FARPA was successfully demonstrated by the 3-plex assay for the detection of SARS-CoV-2 pathogen (the ORF1ab, the N gene, and the human RNase P gene as the internal control), the 2-plex assay for the discrimination of SARS-CoV-2 wild-type from variants (Alpha, Beta, Epsilon, Delta, or Omicrons), and the 4-plex assay for the screening of arboviruses (zika virus, tick-borne encephalitis virus, yellow fever virus, and chikungunya virus). We have validated multiplex FARPA with 103 nasopharyngeal swabs for SARS-CoV-2 detection. The results showed a 100% agreement with RT-qPCR assays. Moreover, a hand-held FARPA analyser was constructed for the visualized FARPA due to the switch-like endpoint read-out. This FARPA is very suitable for pathogen screening and discrimination of viral variants, greatly facilitating point-of-care diagnostics.
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Affiliation(s)
- Yi Ma
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Haiping Wu
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China; Department of Clinical Pharmacy, Nanjing Jinling Hospital, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Shan Chen
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Chunmei Xie
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Jingjing Hu
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Xiemin Qi
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Xueping Ma
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Yanan Chu
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Jingwen Shan
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yan Lu
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
| | - Lunbiao Cui
- NHC Key Laboratory of Enteric Pathogenic Microbiology, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, 210009, China
| | - Bingjie Zou
- Key Laboratory of Drug Quality Control and Pharmacovigilance of Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
| | - Guohua Zhou
- Department of Clinical Pharmacy, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China.
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Ning L, Li Y, Zhang Z, Zhou Y, Yang L, Yu Q, Yu F, Tong Z. Primer Exchange Reaction Coupled with DNA-Templated Silver Nanoclusters for Label-Free and Sensitive Detection of MicroRNA. Appl Biochem Biotechnol 2023; 195:6334-6344. [PMID: 36862332 DOI: 10.1007/s12010-023-04420-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2023] [Indexed: 03/03/2023]
Abstract
MicroRNAs (MiRNAs) play pivotal roles in regulating gene expression, and serve as crucial biomarkers for diagnosis of a variety of disease. However, label-free and sensitive miRNA detection remains a huge challenge due to the low abundance. Herein, we developed an approach through integrating primer exchange reaction (PER) with DNA-templated silver nanoclusters (AgNCs) for label-free and sensitive miRNA detection. In this method, PER was used to amplify miRNA signals and produce single-strand DNA (ssDNA) sequences. The produced ssDNA sequences mediated DNA-templated AgNCs based signal generation by unfolding the designed hairpin probe (HP). The generated AgNCs signal was correlated with the dosage of target miRNA. Eventually, the established approach exhibited a low detection of limit of 47 fM with a great dynamic range of more than five orders of magnitude. In addition, the method was also utilized to detect the miRNA-31 expression in collected clinical samples from pancreatitis patients and demonstrated that miRNA-31 was upregulated in patients, showing a great promising of the method in clinical application.
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Affiliation(s)
- Linhong Ning
- College of Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China
| | - Yuanhong Li
- Department of Gastroenterology, Chongqing Jiangjin District Central Hospital affiliated to Chongqing Medical University, Chongqing, 402260, China
| | - Zhimei Zhang
- Department of Gastroenterology, Banan District People's Hospital affiliated to Chongqing Medical University, Chongqing, 401320, China
| | - Yuan Zhou
- College of Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China
| | - Li Yang
- Department of Gastroenterology, Chongqing Shapingba District People's Hospital Affiliated to Chongqing University, Chongqing, 400055, China
| | - Qinghai Yu
- College of Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China
| | - Feng Yu
- Department of Gastroenterology, Chenjiaqiao Hospital Affiliated to Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China.
| | - Zehui Tong
- Department of Gastroenterology, Chongqing Shapingba District People's Hospital Affiliated to Chongqing University, Chongqing, 400055, China.
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32
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Reynolds J, Loeffler RS, Leigh PJ, Lopez HA, Yoon JY. Recent Uses of Paper Microfluidics in Isothermal Nucleic Acid Amplification Tests. BIOSENSORS 2023; 13:885. [PMID: 37754119 PMCID: PMC10526735 DOI: 10.3390/bios13090885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023]
Abstract
Isothermal nucleic acid amplification tests have recently gained popularity over polymerase chain reaction (PCR), as they only require a constant temperature and significantly simplify nucleic acid amplification. Recently, numerous attempts have been made to incorporate paper microfluidics into these isothermal amplification tests. Paper microfluidics (including lateral flow strips) have been used to extract nucleic acids, amplify the target gene, and detect amplified products, all toward automating the process. We investigated the literature from 2020 to the present, i.e., since the onset of the COVID-19 pandemic, during which a significant surge in isothermal amplification tests has been observed. Paper microfluidic detection has been used extensively for recombinase polymerase amplification (RPA) and its related methods, along with loop-mediated isothermal amplification (LAMP) and rolling circle amplification (RCA). Detection was conducted primarily with colorimetric and fluorometric methods, although a few publications demonstrated flow distance- and surface-enhanced Raman spectroscopic (SERS)-based detection. A good number of publications could be found that demonstrated both amplification and detection on paper microfluidic platforms. A small number of publications could be found that showed extraction or all three procedures (i.e., fully integrated systems) on paper microfluidic platforms, necessitating the need for future work.
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Affiliation(s)
- Jocelyn Reynolds
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Reid S. Loeffler
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Preston J. Leigh
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Hannah A. Lopez
- Department of Neuroscience, The University of Arizona, Tucson, AZ 85721, USA;
| | - Jeong-Yeol Yoon
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
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33
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Lin Q, Cao Y, Han G, Sun W, Weng W, Chen H, Wang H, Kong J. Programmable Clostridium perfringens Argonaute-Based, One-Pot Assay for the Multiplex Detection of miRNAs. Anal Chem 2023; 95:13401-13406. [PMID: 37565811 DOI: 10.1021/acs.analchem.3c01990] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Assays for the molecular detection of miRNAs are typically constrained by the level of multiplexing, especially in a single tube. Here, we report a general and programmable diagnostic platform by combining mesophilic Clostridium perfringens Argonaute (CpAgo) with exponential isothermal amplification (EXPAR), which is a dual-signal amplification strategy, allowing for the rapid and sensitive detection of multiple miRNAs with single-nucleotide discrimination in one pot. The CpAgo-based One-Pot (COP) assay achieved a limit of detection of 1 zM miRNA within 30 min of turnaround time and a wide concentration range. This COP assay was applied to simultaneously detect four miRNAs in a single tube from clinical serum samples, showing superior analytical performance in distinguishing colorectal cancer patients from healthy individuals. This programmable, one-pot, multiplex, rapid, and specific strategy offers great promise in scientific research and clinical applications.
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Affiliation(s)
- Qiuyuan Lin
- Department of Chemistry, Fudan University, 200438 Shanghai, China
| | - Yuanwei Cao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Guobin Han
- Department of Chemistry, Fudan University, 200438 Shanghai, China
| | - Wen Sun
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Wenhao Weng
- Department of Clinical Laboratory Yangpu Hospital, Tongji University School of Medicine, 200090 Shanghai, China
| | - Hui Chen
- Department of Chemistry, Fudan University, 200438 Shanghai, China
| | - Haoyi Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Jilie Kong
- Department of Chemistry, Fudan University, 200438 Shanghai, China
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34
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Ma H, Chen L, Lv J, Yan X, Li Y, Xu G. The rate-limiting procedure of 3D DNA walkers and their applications in tandem technology. Chem Commun (Camb) 2023; 59:10330-10342. [PMID: 37615403 DOI: 10.1039/d3cc02597g] [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: 08/25/2023]
Abstract
DNA walkers, artificial dynamic DNA nanomachines, can mimic actin to move rapidly along a predefined nucleic acid track. They can generally be classified as one- (1D), two- (2D), and three-dimensional (3D) DNA walkers. In particular, 3D DNA walkers demonstrate amazing sustainable walking ability, strong enrichment ability, and fantastic signal amplification ability. In light of these, 3D DNA walkers have been widely used in fields such as biosensors, bioanalysis and cell imaging. Most notably, the strong compatibility of 3D DNA walkers allows their integration with a range of amplification strategies, effectively enhancing signal transduction and amplifying biosensor sensing signals. Herein, we first systematically expound the walking principle of the 3D walkers in this review. Then, by presenting representative examples, the research direction of 3D walkers in recent years is discussed. Furthermore, we also categorize and evaluate diverse tandem signal amplification strategies in 3D walkers. Finally, the challenges and development trends of 3D DNA walkers in the emerging field of analysis are carefully discussed. It is believed that this work can provide new ideas for researchers to quickly understand 3D DNA walkers and their applications in diverse biosensors.
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Affiliation(s)
- Hongmin Ma
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Long Chen
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Jingnan Lv
- The Second Affiliated People's Hospital of Soochow University, Suzhou 215008, China
| | - Xiaoyu Yan
- Guang'an Vocational & Technical College, Sichuan 638000, China
| | - Yonghao Li
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Guoxin Xu
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
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Wu K, Ma C, Wang Y. Functional Nucleic Acid Probes Based on Two-Photon for Biosensing. BIOSENSORS 2023; 13:836. [PMID: 37754070 PMCID: PMC10527542 DOI: 10.3390/bios13090836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/18/2023] [Accepted: 08/18/2023] [Indexed: 09/28/2023]
Abstract
Functional nucleic acid (FNA) probes have been widely used in environmental monitoring, food analysis, clinical diagnosis, and biological imaging because of their easy synthesis, functional modification, flexible design, and stable properties. However, most FNA probes are designed based on one-photon (OP) in the ultraviolet or visible regions, and the effectiveness of these OP-based FNA probes may be hindered by certain factors, such as their potential for photodamage and limited light tissue penetration. Two-photon (TP) is characterized by the nonlinear absorption of two relatively low-energy photons of near-infrared (NIR) light with the resulting emission of high-energy ultraviolet or visible light. TP-based FNA probes have excellent properties, including lower tissue self-absorption and autofluorescence, reduced photodamage and photobleaching, and higher spatial resolution, making them more advantageous than the conventional OP-based FNA probes in biomedical sensing. In this review, we summarize the recent advances of TP-excited and -activated FNA probes and detail their applications in biomolecular detection. In addition, we also share our views on the highlights and limitations of TP-based FNA probes. The ultimate goal is to provide design approaches for the development of high-performance TP-based FNA probes, thereby promoting their biological applications.
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Affiliation(s)
- Kefeng Wu
- GBA Branch of Aerospace Information Research Institute, Chinese Academy of Sciences, Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Terahertz Quantum Electromagnetics, Guangzhou 510700, China
| | - Changbei Ma
- School of Life Sciences, Central South University, Changsha 410013, China
| | - Yisen Wang
- GBA Branch of Aerospace Information Research Institute, Chinese Academy of Sciences, Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Terahertz Quantum Electromagnetics, Guangzhou 510700, China
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36
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Zhang Z, Guan L, Yao J, Li L, Liu C, Guo Y, Xie G. RART-LAMP: One-Step Extraction-Free Method for Genotyping within 40 min. Anal Chem 2023; 95:12487-12496. [PMID: 37534990 DOI: 10.1021/acs.analchem.3c02232] [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: 08/04/2023]
Abstract
Loop-mediated isothermal amplification (LAMP) is a commonly used alternative to PCR for point-of-care detection of nucleic acids due to its rapidity, sensitivity, specificity, and simpler instrumentation. While dual-labeled TaqMan probes are widely used in PCR for single-nucleotide polymorphism (SNP) genotyping, real-time LAMP primarily relies on turbidimetry or intercalator fluorescence measurements, which can be non-specific and generate false-positive results. In this study, we propose a closed-tube, dual-labeled RNA-modified probes and RNase H II-assisted real-time LAMP (RART-LAMP) method for SNP genotyping. Our findings indicate that (1) fluorescence signals were predominantly derived from probe hydrolysis rather than hybridization, (2) temperature-controlled hybridization between the probe and template ensured the specificity of SNP analysis, and (3) RNase H II hydrolysis between the target containing SNP sites and probes did not exhibit sequence specificity. Our RART-LAMP approach demonstrated excellent performance in genotyping C677T clinical samples, including gDNA extracted from blood, saliva, and swabs. More importantly, saliva and swab samples could be directly analyzed without any pretreatment, indicating promising prospects for nucleic acid analysis at the point of care in resource-limited settings.
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Affiliation(s)
- Zhang Zhang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Luhao Guan
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing 400016, China
- Department of Laboratory Medicine, Luzhou Traditional Chinese Medicine Hospital, Luzhou 646000, China
| | - Juan Yao
- Department of Laboratory Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China
| | - Lijia Li
- Zhuhai Biori Biotechnology Company Limited, Zhuhai 519000, China
| | - Chunfang Liu
- Zhuhai Biori Biotechnology Company Limited, Zhuhai 519000, China
| | - Yongcan Guo
- Department of Laboratory Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China
| | - Guoming Xie
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing 400016, China
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37
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Yan Y, Guo L, Geng H, Bi S. Hierarchical Porous Metal-Organic Framework as Biocatalytic Microreactor for Enzymatic Biofuel Cell-Based Self-Powered Biosensing of MicroRNA Integrated with Cascade Signal Amplification. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301654. [PMID: 37098638 DOI: 10.1002/smll.202301654] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/01/2023] [Indexed: 06/19/2023]
Abstract
Enzymatic biofuel cells have become powerful tools in biosensing, which however generally suffer from the limited loading efficiency as well as low catalytic activity and poor stability of bioenzymes. Herein, the hierarchical porous metal-organic frameworks (MOFs) are synthesized using tannic acid (TA) for structural etching, which realizes co-encapsulation of glucose dehydrogenase (GDH) and nicotinamide adenine dinucleotide (NAD+ ) cofactor in zeolitic imidazolate framework (ZIF-L) and are further used as the biocatalytic microreactors to modify bioanode. In this work, the TA-controlled etching can not only expand the pore size of microreactors, but also achieve the reorientation of enzymes in their lower surface energy form, therefore enhancing the biocatalysis of cofactor-dependent enzyme. Meanwhile, the topological DNA tetrahedron is assembled on the microreactors, which acts as the microRNA-responsive "lock" to perform the cascade signal amplification of exonuclease III-assisted target recycling on bioanode and hybridization chain reaction (HCR) on biocathode. The proposed self-powered biosensor has achieved a detection limit as low as 2 aM (6 copies miRNA-21 in a 5 µL of sample), which is further successfully applied to identify cancer cells and clinical serums of breast cancer patients based on the different levels of miRNA-21, holding great potential in accurate disease identification and clinical diagnosis.
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Affiliation(s)
- Yongcun Yan
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Li Guo
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Hongyan Geng
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Sai Bi
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
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38
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Sai J, Zhou L, Jiang L, Xue D, Pei R, Liu A, Xu L. Dual Signal Amplification by Urease Catalysis and Silver Nanoparticles for Ultrasensitive Colorimetric Detection of Nucleic Acids. Anal Chem 2023. [PMID: 37464726 DOI: 10.1021/acs.analchem.3c01483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Signal amplification techniques are highly desirable for the analysis of low-level targets that are closely related with diseases and the monitoring of important biological processes. However, it is still challenging to achieve this goal in a facile and economical way. Herein, we developed a novel dual signal amplification strategy by combining urease catalysis with the release of Ag+ from silver nanoparticles (AgNPs). This strategy was used for quantifying a DNA sequence (HIV-1) related with human immunodeficiency virus (HIV). DNA target HIV-1 hybridizes with the capture DNA probe on magnetic beads and the reporter DNA probe on AgNPs, forming a sandwich complex. The captured AgNPs are then transformed into numerous Ag+ ions that inactivate numerous ureases. Without catalytic production of ammonia from urea, the substrate solution shows a low pH 5.8 that will increase otherwise. The pH change is monitored by a pH indicator (phenol red), which allows for colorimetric detection. The proposed approach is sensitive, easy to use, economic, and universal, exhibiting a low detection limit of 9.7 fM (i.e., 1.94 attomoles) and a dynamic linear range of 4 orders for HIV-1 sequence detection.
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Affiliation(s)
- Jialin Sai
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Lu Zhou
- Department of Neurology, Affiliated Taizhou Hospital of Wenzhou Medical University, Linhai 317000, China
| | - Lin Jiang
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Dongguo Xue
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Renjun Pei
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Aihua Liu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Lijun Xu
- Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, Qingdao 266071, China
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Norouzi S, Soltani S, Alipour E. Recent advancements in biosensor designs toward the detection of intestine cancer miRNA biomarkers. Int J Biol Macromol 2023:125509. [PMID: 37364808 DOI: 10.1016/j.ijbiomac.2023.125509] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 05/28/2023] [Accepted: 06/20/2023] [Indexed: 06/28/2023]
Abstract
Cancer diagnosis and treatment have been of broad interest among scientists in the last decades due to the high death rate, widespread occurrence, and recurrence after treatment. The survival rate of cancer patients depends greatly on early detection and appropriate treatments. Therefore developing new technologies applicable to sensitive and specific methods of cancer detection is an inevitable task for cancer researchers. Abnormal miRNA expression is contributed to severe diseases such as cancers and since their expression level and type differ strictly during carcinogenesis and later metastasis and treatments, the improved detection accuracy of these miRNAs would undoubtedly lead to early diagnosis, prognosis, and targeted therapy. Biosensors are accurate and straightforward analytical devices that have had practical applications especially in the last decade. Their domain is still growing through a combination of attractive nanomaterials and amplification methods, leading to innovative biosensing platforms for the efficient detection of miRNAs as diagnostic and prognostic biomarkers. In this review, we will provide the recent developments in biosensors to detect intestine cancer miRNA biomarkers and also discuss the challenges and outcomings of this field.
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Affiliation(s)
| | - Somaieh Soltani
- Pharmacy faculty, Tabriz University of Medical Sciences, Tabriz, Iran.
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40
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Sun K, Yang X, Wang Y, Guan Q, Fu W, Zhang C, Liu Q, An W, Zhao Y, Xing W, Xu D. A Novel Sample-to-Answer Visual Nucleic Acid Detection System for Adenovirus Detection. Microbiol Spectr 2023; 11:e0517022. [PMID: 37022182 PMCID: PMC10269611 DOI: 10.1128/spectrum.05170-22] [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: 12/19/2022] [Accepted: 03/10/2023] [Indexed: 04/07/2023] Open
Abstract
Human adenoviruses (HAdVs) are common viruses that can cause local outbreaks in schools, communities and military camps, posing a huge threat to public health. An ideal POCT device for adenovirus detection in resource-limited settings is critical to control the spread of the virus. In this study, we developed an integrated and electricity-independent sample-to-answer system that can complete nucleic acid extraction, amplification, and detection at room temperature. This system is suitable for field and on-site detection because of its rapidity, sensitivity, lack of contamination, and lack of requirements of high-precision instruments and skilled technicians. It consists of two separate modules, ALP FINA (alkaline lysis with the paper-based filtration isolation of nucleic acid) and SV RPA (sealed and visual recombinase polymerase amplification). The extraction efficiency of ALP FINA can reach 48 to 84%, which is close to that of the conventional centrifuge column. The detection sensitivity of SV RPA is close to 10 copies/μL of AdvB and AdvE without aerosol contamination after repeated operations. When SV RPA was applied to the detection of nasopharyngeal swab samples of 19 patients who were infected with AdvB or AdvE as well as 10 healthy volunteers, its sensitivity and specificity reached 100%, respectively. IMPORTANCE HAdV infections are readily transmittable and, in some instances, highly contagious. Early and rapid diagnosis is essential for disease control. In this work, we developed a portable, disposable, and modularized sample-to-answer detection system for AdvB and AdvE, which rendered the entire test to be completely independent of electricity and other laboratory infrastructure. Thus, this detection system can be applied in resource-limited settings, and it has the potential to be further developed as an early diagnosis method in the field.
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Affiliation(s)
- Kui Sun
- Beijing Institute of Basic Medical Sciences, Beijing, China
- Energy Laboratory of 970 Hospital of the PLA Joint Logistic Support Force, Beijing, China
| | - Xiaodong Yang
- Department of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yanan Wang
- Beijing Institute of Basic Medical Sciences, Beijing, China
- Academy of Medical Laboratory, Hebei North University, Zhangjiakou, China
| | - Qun Guan
- The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Wenliang Fu
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Chao Zhang
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Qin Liu
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Wenzheng An
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Yongqi Zhao
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Weiwei Xing
- Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Donggang Xu
- Beijing Institute of Basic Medical Sciences, Beijing, China
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41
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Kang Y, Wang J, Zhang W, Xu Y, Xu B, Qu G, Yu Y, Yan B, Su G. RNA extraction-free workflow integrated with a single-tube CRISPR-Cas-based colorimetric assay for rapid SARS-CoV-2 detection in different environmental matrices. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131487. [PMID: 37148798 PMCID: PMC10125216 DOI: 10.1016/j.jhazmat.2023.131487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/31/2023] [Accepted: 04/23/2023] [Indexed: 05/08/2023]
Abstract
On-site environmental surveillance of viruses is increasingly important for infection prevention and pandemic control. Herein, we report a facile single-tube colorimetric assay for detecting severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) from environmental compartments. Using glycerol as the phase separation additive, reverse transcription recombinase polymerase amplification (RT-RPA), CRISPR-Cas system activation, G-quadruplex (G4) cleavage, and G4-based colorimetric reaction were performed in a single tube. To further simplify the test, viral RNA genomes used for the one-tube assay were obtained via acid/base treatment without further purification. The whole assay from sampling to visual readout was completed within 30 min at a constant temperature without the need for sophisticated instruments. Coupling the RT-RPA to CRISPR-Cas improved the reliability by avoiding false positive results. Non-labeled cost-effective G4-based colorimetric systems are highly sensitive to CRISPR-Cas cleavage events, and the proposed assay reached the limit of detection of 0.84 copies/µL. Moreover, environmental samples from contaminated surfaces and wastewater were analyzed using this facile colorimetric assay. Given its simplicity, sensitivity, specificity, and cost-effectiveness, our proposed colorimetric assay is highly promising for applications in on-site environmental surveillance of viruses.
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Affiliation(s)
- Yuliang Kang
- School of Pharmacy, Nantong University, Nantong 226001, China; School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Jiali Wang
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Wensi Zhang
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Yuhang Xu
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Bohui Xu
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Guangbo Qu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yanyan Yu
- School of Pharmacy, Nantong University, Nantong 226001, China.
| | - Bing Yan
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou 510006, China.
| | - Gaoxing Su
- School of Pharmacy, Nantong University, Nantong 226001, China.
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42
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Martino S, Tammaro C, Misso G, Falco M, Scrima M, Bocchetti M, Rea I, De Stefano L, Caraglia M. microRNA Detection via Nanostructured Biochips for Early Cancer Diagnostics. Int J Mol Sci 2023; 24:7762. [PMID: 37175469 PMCID: PMC10178165 DOI: 10.3390/ijms24097762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/15/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
MicroRNA (miRNA) are constituted of approximately 22 nucleotides and play an important role in the regulation of many physiological functions and diseases. In the last 10 years, an increasing interest has been recorded in studying the expression profile of miRNAs in cancer. Real time-quantitative polymerase chain reaction (RT-qPCR), microarrays, and small RNA sequencing represent the gold standard techniques used in the last 30 years as detection methods. The advent of nanotechnology has allowed the fabrication of nanostructured biosensors which are widely exploited in the diagnostic field. Nanostructured biosensors offer many advantages: (i) their small size allows the construction of portable, wearable, and low-cost products; (ii) the large surface-volume ratio enables the loading of a great number of biorecognition elements (e.g., probes, receptors); and (iii) direct contact of the recognition element with the analyte increases the sensitivity and specificity inducing low limits of detection (LOD). In this review, the role of nanostructured biosensors in miRNA detection is explored, focusing on electrochemical and optical sensing. In particular, four types of nanomaterials (metallic nanoparticles, graphene oxide, quantum dots, and nanostructured polymers) are reported for both detection strategies with the aim to show their distinct properties and applications.
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Affiliation(s)
- Sara Martino
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
- Unit of Naples, National Research Council, Institute of Applied Sciences and Intelligent Systems, 80138 Naples, Italy;
| | - Chiara Tammaro
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
| | - Gabriella Misso
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
| | - Michela Falco
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Marianna Scrima
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Marco Bocchetti
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
| | - Ilaria Rea
- Unit of Naples, National Research Council, Institute of Applied Sciences and Intelligent Systems, 80138 Naples, Italy;
| | - Luca De Stefano
- Unit of Naples, National Research Council, Institute of Applied Sciences and Intelligent Systems, 80138 Naples, Italy;
| | - Michele Caraglia
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (C.T.); (M.F.); (M.B.); (M.C.)
- Laboratory of Molecular and Precision Oncology, Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy;
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CRISPR-Cas12a-assisted elimination of the non-specific signal from non-specific amplification in the Exponential Amplification Reaction. Anal Chim Acta 2023; 1251:340998. [PMID: 36925288 DOI: 10.1016/j.aca.2023.340998] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 02/24/2023]
Abstract
Non-specific amplification is a major problem in nucleic acid amplification resulting in false-positive results, especially for exponential amplification reactions (EXPAR). Although efforts were made to suppress the influence of non-specific amplification, such as chemical blocking of the template's 3'-ends and sequence-independent weakening of template-template interactions, it is still a common problem in many conventional EXPAR reactions. In this study, we propose a novel strategy to eliminate the non-specific signal from non-specific amplification by integrating the CRISPR-Cas12a system into two-templates EXPAR. An EXPAR-Cas12a strategy named EXPCas was developed, where the Cas12a system acted as a filter to filter out non-specific amplificons in EXPAR, suppressing and eliminating the influence of non-specific amplification. As a result, the signal-to-background ratio was improved from 1.3 to 15.4 using this method. With microRNA-21 (miRNA-21) as a target, the detection can be finished in 40 min with a LOD of 103 fM and no non-specific amplification was observed.
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Biswas GC, Khan MTM, Das J. Wearable nucleic acid testing platform - A perspective on rapid self-diagnosis and surveillance of infectious diseases. Biosens Bioelectron 2023; 226:115115. [PMID: 36746023 DOI: 10.1016/j.bios.2023.115115] [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: 11/10/2022] [Revised: 12/21/2022] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Wearable biosensors (WB) are currently attracting considerable interest for rapid detection and monitoring of biomarkers including metabolites, protein, and pathogen in bodily fluids (e.g., sweat, saliva, tears, and interstitial fluid). Another branch of WB termed wearable nucleic acid testing (NAT) is blossoming thanks to the development of microfluidic technology and isothermal nucleic acid amplification technique (iNAAT); however, there are only few reports on this. The wearable NAT is an emerging field of point-of-care (POC) diagnostics, and holds the promise for time-saving self-diagnosis, and evidence-based surveillance of infectious diseases in remote or low-resource settings. The use of wearable NAT can also be advanced to include molecular diagnosis, the identification of cancer biomarkers, genetic abnormalities, and other aspects. The wearable NAT provides the potential for evidence-based surveillance of infectious diseases when combined with internet connectivity and App software. To make the wearable NAT accessible to the end users, however, improvements must be made to the fabrication, cost, speed, sensitivity, specificity, sampling, iNAAT, analyzer, and a few other features. So, in this paper, we looked at the wearable NAT's most recent development, identified its difficulties, and defined its potential for managing infectious diseases quickly in the future. This is the wearable NAT review's first effort. We expect that this article will provide the concise resources needed to develop and deploy an efficient wearable NAT system.
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Affiliation(s)
- Gokul Chandra Biswas
- Department of Genetic Engineering and Biotechnology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh.
| | - Md Taufiqur Mannan Khan
- Department of Genetic Engineering and Biotechnology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - Jagotamoy Das
- Department of Chemistry, Northwestern University, 2170 Campus Dr, Evanston, IL, 60208, USA.
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45
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Akram F, Shah FI, Ibrar R, Fatima T, Haq IU, Naseem W, Gul MA, Tehreem L, Haider G. Bacterial thermophilic DNA polymerases: A focus on prominent biotechnological applications. Anal Biochem 2023; 671:115150. [PMID: 37054862 DOI: 10.1016/j.ab.2023.115150] [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: 01/14/2023] [Revised: 02/24/2023] [Accepted: 04/03/2023] [Indexed: 04/15/2023]
Abstract
DNA polymerases are the enzymes able to replicate the genetic information in nucleic acid. As a result, they are necessary to copy the complete genome of every living creature before cell division and sustain the integrity of the genetic information throughout the life of each cell. Any organism that uses DNA as its genetic information, whether unicellular or multicellular, requires one or more thermostable DNA polymerases to thrive. Thermostable DNA polymerase is important in modern biotechnology and molecular biology because it results in methods such as DNA cloning, DNA sequencing, whole genome amplification, molecular diagnostics, polymerase chain reaction, synthetic biology, and single nucleotide polymorphism detection. There are at least 14 DNA-dependent DNA polymerases in the human genome, which is remarkable. These include the widely accepted, high-fidelity enzymes responsible for replicating the vast majority of genomic DNA and eight or more specialized DNA polymerases discovered in the last decade. The newly discovered polymerases' functions are still being elucidated. Still, one of its crucial tasks is to permit synthesis to resume despite the DNA damage that stops the progression of replication-fork. One of the primary areas of interest in the research field has been the quest for novel DNA polymerase since the unique features of each thermostable DNA polymerase may lead to the prospective creation of novel reagents. Furthermore, protein engineering strategies for generating mutant or artificial DNA polymerases have successfully generated potent DNA polymerases for various applications. In molecular biology, thermostable DNA polymerases are extremely useful for PCR-related methods. This article examines the role and importance of DNA polymerase in a variety of techniques.
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Affiliation(s)
- Fatima Akram
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan.
| | - Fatima Iftikhar Shah
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan; The University of Lahore, Pakistan
| | - Ramesha Ibrar
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Taseer Fatima
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Ikram Ul Haq
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan; Pakistan Academy of Sciences, Islamabad, Pakistan
| | - Waqas Naseem
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Mahmood Ayaz Gul
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Laiba Tehreem
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Ghanoor Haider
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
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46
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Gao H, Song X, Chen Q, Yuan R, Xiang Y. Target-promoted specific activation of m6A-DNAzyme for SPEXPAR-amplified and highly sensitive non-label electrochemical assay of FTO demethylase. Anal Chim Acta 2023; 1247:340902. [PMID: 36781254 DOI: 10.1016/j.aca.2023.340902] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/17/2023] [Accepted: 01/26/2023] [Indexed: 01/28/2023]
Abstract
The demethylase of fat mass and obesity related protein (FTO) is critical to regulate the dynamic N6-methyladenosine (m6A) modification of eukaryotic mRNAs, and its overexpression has found to be closely related to the initiation of several cancers. On the basis of a target-promoted specific activation of DNAzyme strategy coupled with self-primer exponential amplification reaction (SPEXPAR) cycles and DNA supersandwich assemblies, the highly sensitive and label-free electrochemical FTO assay approach is established. The modification of the catalytic core nucleobase of the DNAzyme probe by m6A can inhibit its cleavage activity. The presence of target FTO catalyzes the elimination of the methyl group to restore the DNAzyme activity, which cleaves the hairpin substrates to trigger the SPEXPAR for yielding many ssDNAs. The capture of these DNAs on the sensor electrode leads to the initiation of supersandwich assembly formation of long dsDNAs. Tremendous electrochemical signal probe of [Ru(NH3)6]Cl3 are then absorbed on these dsDNAs to produce highly amplified catalytic currents with the assistance of K3[Fe(CN)6] for detecting trace FTO with 63.1 fM detection limit. Furthermore, the sensor can be employed for selective assay of FTO in cell lysates, revealing the great potential of this sensing strategy for biomedical and biological study applications.
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Affiliation(s)
- Huahui Gao
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Xinmei Song
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Qirong Chen
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Yun Xiang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
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47
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Yang X, Yuan L, Xu Y, He B. Target-catalyzed self-assembled spherical G-quadruplex/hemin DNAzymes for highly sensitive colorimetric detection of microRNA in serum. Anal Chim Acta 2023; 1247:340879. [PMID: 36781247 DOI: 10.1016/j.aca.2023.340879] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 01/22/2023]
Abstract
The accurate and visual detection of circulating microRNA (miRNA) has attracted increasing interest due to its pivotal role in clinical disease diagnosis. Taking advantages of nucleic acid isothermal amplification and enzyme-catalyzed chromogenic reaction, here, a colorimetric sensing strategy was proposed for sensitive miRNA analysis. When the target miRNA was present, local catalytic hairpin assembly (CHA) would be triggered and proceed continuously to form dozens of double-stranded oligonucleotides with G-rich sticky ends on the gold nanoparticle, which could self-assemble into a spherical G-quadruplex (GQ)/hemin DNAzyme by binding with hemin and potassium ions. As a horseradish peroxidase-mimic, GQ/hemin DNAzyme could catalyze the redox reaction and color change of the substrates. Taking miRNA-21 as an example, the developed method exhibited satisfactory specificity as well as high sensitivity with a detection limit of 90.3 fM. Furthermore, the sensing platform has been successfully employed to detect miRNA-21 in spiked serum, providing a promising tool for early diagnosis of cancers.
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Affiliation(s)
- Xuejiao Yang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China.
| | - Liquan Yuan
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Yue Xu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Bingfang He
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China; College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, China.
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48
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You J, Park H, Lee H, Jang K, Park J, Na S. Sensitive and selective DNA detecting electrochemical sensor via double cleaving CRISPR Cas12a and dual polymerization on hyperbranched rolling circle amplification. Biosens Bioelectron 2023; 224:115078. [PMID: 36641878 DOI: 10.1016/j.bios.2023.115078] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/29/2022] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
Electrochemical sensors are widely used for nucleic acid detection. However, they exhibit low sensitivity and specificity. To overcome these limitations, DNA amplification method is necessary. In this study, we introduced CRISPR (Clustered regularly interspaced short palindromic repeats) Cas12a-dependent hyperbranched rolling circle amplification (HRCA) into an electrochemical sensor platform. By resolving the existing false-positive issue of HRCA, CRISPR Cas12a determines the real positive amplification that able to enhance its sensitivity for extremely low concentrations of nucleic acids and specificity for single-point mutations. In detail, CRISPR Cas12a, which activates the nucleic acid amplification reaction, was used for both trans and cis cleavage for the first time. Finally, selectively amplified DNA was detected using a screen-printed electrode. Using the change in surface coverage by DNA, the electrochemical sensor detected a decrease in the redox signal. In summary, combining a novel DNA amplification method and electrochemical sensor platform, our proposed method compensates for the shortcomings of existing RCA and hyperbranched RCA, secures a high sensitivity of 10 aM, and overcomes false-positivity problems. Moreover, such creative applications of CRISPR Cas12a may lead to the expansion of its applications to other nucleic acid amplification methods.
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Affiliation(s)
- Juneseok You
- Department of Mechanical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hyunjun Park
- Department of Mechanical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hakbeom Lee
- Department of Mechanical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Kuewhan Jang
- School of Mechanical and Automotive Engineering, Hoseo University, Asan, 31499, Republic of Korea
| | - Jinsung Park
- Department of Biomechatronics Engineering, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Suwon, 16419, Republic of Korea.
| | - Sungsoo Na
- Department of Mechanical Engineering, Korea University, Seoul, 02841, Republic of Korea.
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49
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Liu FX, Cui JQ, Wu Z, Yao S. Recent progress in nucleic acid detection with CRISPR. LAB ON A CHIP 2023; 23:1467-1492. [PMID: 36723235 DOI: 10.1039/d2lc00928e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Recent advances in CRISPR-based biotechnologies have greatly expanded our capabilities to repurpose CRISPR for the development of molecular diagnostic systems. The key attribute that allows CRISPR to be widely utilized is its programmable and highly specific nature. In this review, we first illustrate the principle of the class 2 CRISPR nucleases for molecular diagnostics which originates from their immunologic defence systems. Next, we present the CRISPR-based schemes in the application of diagnostics with amplification-assisted or amplification-free strategies. By highlighting some of the recent advances we interpret how general bioengineering methodologies can be integrated with CRISPR. Finally, we discuss the challenges and exciting prospects for future CRISPR-based biosensing development. We hope that this review will guide the reader to systematically learn the start-of-the-art development of CRISPR-mediated nucleic acid detection and understand how to apply the CRISPR nucleases with different design concepts to more general applications in diagnostics and beyond.
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Affiliation(s)
- Frank X Liu
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
| | - Johnson Q Cui
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
| | - Zhihao Wu
- IIP-Advanced Materials, Interdisciplinary Program Office (IPO), Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Shuhuai Yao
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
- Department of Chemical and Biological Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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50
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Yu H, Weng Z, Zhou X, Bai D, Luo W, Han X, Song L, Liu Q, Li J, Yang Y, Guo Y, Lv K, Xie G. A hairpin probe-mediated exponential amplification reaction for highly sensitive and specific detection of microRNAs. Chem Commun (Camb) 2023; 59:4158-4161. [PMID: 36880314 DOI: 10.1039/d3cc00241a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
In this work, we propose a hairpin probe-mediated exponential amplification reaction (HEAR) strategy that combines DNA strand displacement with a "who triggers, who gets generated" mode, providing excellent single-base discrimination and a reduced background signal. The detection limit is 19 aM, which is reduced by 3 orders of magnitude compared to traditional exponential amplification approaches. This one-pot strategy also exhibits a wide dynamic range, high specificity and short detection time. It is expected to become a powerful tool for clinical diagnosis.
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Affiliation(s)
- Hongyan Yu
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Zhi Weng
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Xi Zhou
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Dan Bai
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Wang Luo
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Xiaole Han
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Lin Song
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Qian Liu
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Junjie Li
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Yujun Yang
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
| | - Yongcan Guo
- Clinical Laboratory of Traditional Chinese Medicine Hospital Affiliated to Southwest Medical University, LuZhou Key Laboratory of Nanobiosensing and Microfluidic Point-of-Care Testing, Luzhou 646000, P. R. China.
| | - Ke Lv
- Department of Neurosurgery, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Chongqing 40016, P. R. China.
| | - Guoming Xie
- Key Laboratory of Clinical Laboratory Diagnostics (Chinese Ministry of Education), College of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, No. 1 Yi Xue Yuan Road, Chongqing 400016, P. R. China.
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