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Dai H, Huang Z, Shi F, Li S, Zhang Y, Wu H, Lv Z. Effects of maternal hawthorn-leaf flavonoid supplementation on the intestinal development of offspring chicks. Poult Sci 2024; 103:103969. [PMID: 39047316 PMCID: PMC11318554 DOI: 10.1016/j.psj.2024.103969] [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: 02/17/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 07/27/2024] Open
Abstract
Metabolic disorders in maternal generation during the late egg-laying period have adverse effects on neonatal development. The study was conducted to clarify the effects of maternal feeding of hawthorn-leaf flavonoid (HF) on the microbial community and intestinal development of chicks. Breeder hens were fed a basic corn-soybean diet, while the treatment groups were supplemented with 30 or 60 mg/kg HF. The offspring chicks were divided into CON, LHF, and HHF groups according to the maternal treatments. Maternal HF supplementation at 60 mg/kg increased the average daily gain and decreased the feed conversion rate of chicks (P < 0.05), but did not affect the average daily feed intake. HF treatments increased the villus height to crypt depth ratio and up-regulated the protein expressions of PCNA, IGF-1R, PI3K and p-mTOR in the jejunum (P < 0.05) of 1-day-old and 14-day-old chicks. Additionally, maternal HF treatment up-regulated the mRNA expression of tight junction transmembrane proteins (occludin) and scaffolding proteins (ZO-1 and ZO-2) in the jejunum of 1-day-old chicks (P < 0.05). Moreover, the maternal effects of HF on ZO-1 expression could last for 14 d (P < 0.05). Interestingly, dietary HF supplementation altered the vertically transmitted microbial community from breeder hens to chicks, especially increased the relative abundance of probiotics (i.e., Clostridium_sensu_stricto_1) in the meconium of chicks (P < 0.05), which may help with early gut microbiota colonization and intestinal development. In summary, dietary HF supplementation for breeder hens altered the bacterial community of neonates and might promote intestinal development of chicks through the IGF-1R/AKT/mTOR signaling pathway.
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Affiliation(s)
- Hongjian Dai
- State Key Laboratory of Animal Nutrition and Feeding, SKLANF, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhenwu Huang
- State Key Laboratory of Animal Nutrition and Feeding, SKLANF, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Fangxiong Shi
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Simeng Li
- College of Biotechnology, Aksu Vocational and Technical College, Aksu 843000, China
| | - Yi Zhang
- School of Life Sciences and Technology, Southeast University, Nanjing, 210096, China
| | - Haoze Wu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zengpeng Lv
- State Key Laboratory of Animal Nutrition and Feeding, SKLANF, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
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2
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Liu J, Shan S, Lai W, Chen Q, Jing X, Li R, Tan Y, Liu D, Peng J. Phage-based magnetic capture method as an aid for real-time recombinase polymerase amplification detection of Salmonella spp. in milk. J Dairy Sci 2024; 107:6528-6540. [PMID: 38754822 DOI: 10.3168/jds.2023-24237] [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: 09/25/2023] [Accepted: 02/28/2024] [Indexed: 05/18/2024]
Abstract
Salmonella is a major cause of foodborne diseases worldwide. Conventional rapid assays for detecting Salmonella in real samples often encounter severe matrix interference or detect a limited number of species of a genus, resulting in inaccurate detection. In this study, we developed a method that combined phage-based magnetic capture with real-time recombinase polymerase amplification (RPA) for the rapid, highly sensitive, and specific detection of Salmonella in milk with an ultra-low detection limit. The Felix O-1 phage-conjugated magnetic beads (O-1 pMBs) synthesized in this method showed excellent capture ability for Salmonella spp. and ideal specificity for non-Salmonella strains. After O-1 pMBs-based magnetic separation, the limit of detection of the real-time RPA assay was 50 cfu/mL in milk samples, which was significantly increased by a magnitude of 3 to 4 orders. The method exhibited a high sensitivity (compatibility) of 100% (14/14) for all tested Salmonella serotype strains and an ideal specificity (exclusivity) of 100% (7/7) for the tested non-Salmonella strains. The entire detection process, including Salmonella capture, DNA extraction, and real-time RPA detection, was completed within 1.5 h. Furthermore, milk samples spiked with 10 cfu/25 mL of Salmonella were detected positive after being cultured in buffered peptone water for only 3 h. Therefore, the proposed method could be an alternative for the rapid and accurate detection of Salmonella.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Shan Shan
- Jiangxi Province Key Laboratory of Diagnosing and Tracing of Foodborne Disease, Jiangxi Provincial Centre for Disease Control and Prevention, Nanchang 330029, China; College of Life Science, National R&D Center for Freshwater Fish Processing, Jiangxi Normal University, Nanchang 330022, China
| | - Weihua Lai
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Qi Chen
- National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang 330031, China
| | - Xudong Jing
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Rui Li
- Jiangxi Province Key Laboratory of Diagnosing and Tracing of Foodborne Disease, Jiangxi Provincial Centre for Disease Control and Prevention, Nanchang 330029, China; Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang 330019, China
| | - Yucheng Tan
- Jiangxi Province Key Laboratory of Diagnosing and Tracing of Foodborne Disease, Jiangxi Provincial Centre for Disease Control and Prevention, Nanchang 330029, China; Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang 330019, China
| | - Daofeng Liu
- Jiangxi Province Key Laboratory of Diagnosing and Tracing of Foodborne Disease, Jiangxi Provincial Centre for Disease Control and Prevention, Nanchang 330029, China.
| | - Juan Peng
- School of Food Science, Nanchang University, Nanchang 330047, China.
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3
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Owens LA, Thurber MI, Goldberg TL. CRISPR-Cas9-mediated host signal reduction for 18S metabarcoding of host-associated eukaryotes. Mol Ecol Resour 2024; 24:e13980. [PMID: 38804043 PMCID: PMC11288772 DOI: 10.1111/1755-0998.13980] [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: 12/09/2023] [Revised: 05/02/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024]
Abstract
Metabarcoding-based methods for identification of host-associated eukaryotes have the potential to revolutionize parasitology and microbial ecology, yet significant technical challenges remain. In particular, highly abundant host reads can mask the presence of less-abundant target organisms, especially for sample types rich in host DNA (e.g., blood and tissues). Here, we present a new CRISPR-Cas9-mediated approach designed to reduce host signal by selective amplicon digestion, thus enriching clinical samples for eukaryotic endosymbiont sequences during metabarcoding. Our method achieves a nearly 76% increased efficiency in host signal reduction compared with no treatment and a nearly 60% increased efficiency in host signal reduction compared with the most commonly used published method. Furthermore, the application of our method to clinical samples allows for the detection of parasite infections that would otherwise have been missed.
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Affiliation(s)
- Leah A. Owens
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | | | - Tony L. Goldberg
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
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4
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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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5
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Sun S, Yang H, Wu Z, Zhang S, Xu J, Shi P. CRISPR/Cas systems combined with DNA nanostructures for biomedical applications. Chem Commun (Camb) 2024; 60:3098-3117. [PMID: 38406926 DOI: 10.1039/d4cc00290c] [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: 02/27/2024]
Abstract
DNA nanostructures are easy to design and construct, have good biocompatibility, and show great potential in biosensing and drug delivery. Numerous distinctive and versatile DNA nanostructures have been developed and explored for biomedical applications. In addition to DNA nanostructures that are completely assembled from DNA, composite DNA nanostructures obtained by combining DNA with other organic or inorganic materials are also widely used in related research. The CRISPR/Cas system has attracted great attention as a powerful gene editing technology and is also widely used in biomedical diagnosis. Many researchers are committed to exploring new possibilities by combining DNA nanostructures with CRISPR/Cas systems. These explorations provide support for the development of new detection methods and cargo delivery pathways, provide inspiration for improving relevant gene editing platforms, and further expand the application scope of DNA nanostructures and CRISPR/Cas systems. This paper mainly reviews the design principles and biomedical applications of CRISPR/Cas combined with DNA nanostructures based on the types of DNA nanostructures. Finally, the application status, challenges and development prospects of CRISPR/Cas combined with DNA nanostructures in detection and delivery are summarized. It is expected that this review will enable researchers to better understand the current state of the field and provide insights into the application of CRISPR/Cas systems and the development of DNA nanostructures.
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Affiliation(s)
- Shujuan Sun
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
| | - Haoqi Yang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
| | - Ziyong Wu
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
| | - Shusheng Zhang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
| | - Jingjuan Xu
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
- State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing 210023, P. R. China.
| | - Pengfei Shi
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Medicine, Linyi University, Linyi 276000, P. R. China.
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6
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Zheng R, Zhang L, Parvin R, Su L, Chi J, Shi K, Ye F, Huang X. Progress and Perspective of CRISPR-Cas9 Technology in Translational Medicine. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300195. [PMID: 37356052 PMCID: PMC10477906 DOI: 10.1002/advs.202300195] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/29/2023] [Indexed: 06/27/2023]
Abstract
Translational medicine aims to improve human health by exploring potential treatment methods developed during basic scientific research and applying them to the treatment of patients in clinical settings. The advanced perceptions of gene functions have remarkably revolutionized clinical treatment strategies for target agents. However, the progress in gene editing therapy has been hindered due to the severe off-target effects and limited editing sites. Fortunately, the development in the clustered regularly interspaced short palindromic repeats associated protein 9 (CRISPR-Cas9) system has renewed hope for gene therapy field. The CRISPR-Cas9 system can fulfill various simple or complex purposes, including gene knockout, knock-in, activation, interference, base editing, and sequence detection. Accordingly, the CRISPR-Cas9 system is adaptable to translational medicine, which calls for the alteration of genomic sequences. This review aims to present the latest CRISPR-Cas9 technology achievements and prospect to translational medicine advances. The principle and characterization of the CRISPR-Cas9 system are firstly introduced. The authors then focus on recent pre-clinical and clinical research directions, including the construction of disease models, disease-related gene screening and regulation, and disease treatment and diagnosis for multiple refractory diseases. Finally, some clinical challenges including off-target effects, in vivo vectors, and ethical problems, and future perspective are also discussed.
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Affiliation(s)
- Ruixuan Zheng
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Division of Pulmonary MedicineThe First Affiliated HospitalWenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
| | - Lexiang Zhang
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative MedicineVision and Brain Health); Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325000P. R. China
| | - Rokshana Parvin
- Oujiang Laboratory (Zhejiang Lab for Regenerative MedicineVision and Brain Health); Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325000P. R. China
| | - Lihuang Su
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Division of Pulmonary MedicineThe First Affiliated HospitalWenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
| | - Junjie Chi
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
| | - Keqing Shi
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
| | - Fangfu Ye
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative MedicineVision and Brain Health); Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325000P. R. China
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190P. R. China
| | - Xiaoying Huang
- Joint Centre of Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Division of Pulmonary MedicineThe First Affiliated HospitalWenzhou Medical UniversityWenzhouZhejiang325000P. R. China
- Wenzhou Key Laboratory of Interdiscipline and Translational MedicineThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang325000P. R. China
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7
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Cao G, Xiong Y, Shi M, Qiu Y, Bian Y, Nie F, Huo D, Hou C. The End of the Gray Zone: One-Tube Nested Recombinase Polymerase Amplification with Ultrahigh Signal-to-Noise Ratio for Precisely Detecting and Surveilling Viruses. Anal Chem 2023. [PMID: 37367936 DOI: 10.1021/acs.analchem.3c01609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
The samples were difficult to accurately determine positive or negative between 35 and 40 cycles by real-time quantitative PCR (qPCR) as the standard method. Here, we developed one-tube nested recombinase polymerase amplification (ONRPA) technology with CRISPR/Cas12a to overcome this difficulty. ONRPA broke the amplification plateau to substantially enhance the signals, which considerably improved the sensitivity and eliminated the problem of gray area. Using two pairs of primers one after another, it improved precision by lowering the probability of magnifying several target zones, which was completely free of contamination by nonspecific amplification. This was important in nucleic acid testing. Finally, by the CRISPR/Cas12a system as a terminal output, the approach achieved a high signal output as few as 2.169 copies·μL-1 in 32 min. ONRPA was 100-fold more sensitive than conventional RPA and 1000-fold compared to qPCR. ONRPA coupled with CRISPR/Cas12a will be an important and new promoter of RPA in clinical applications.
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Affiliation(s)
- Gaihua Cao
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, Sichuan 400044, PR China
- State Key Laboratory of Cattle Diseases Detection (Chongqing) of Customs. Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing 400020, PR China
| | - Yifan Xiong
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, Sichuan 400044, PR China
- State Key Laboratory of Cattle Diseases Detection (Chongqing) of Customs. Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing 400020, PR China
| | - Meimei Shi
- State Key Laboratory of Cattle Diseases Detection (Chongqing) of Customs. Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing 400020, PR China
| | - Yue Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, Sichuan 400044, PR China
- State Key Laboratory of Cattle Diseases Detection (Chongqing) of Customs. Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing 400020, PR China
| | - Yong Bian
- Science and Technology Research Center of China Customs, Beijing 100730, PR China
| | - Fuping Nie
- State Key Laboratory of Cattle Diseases Detection (Chongqing) of Customs. Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing 400020, PR China
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, Sichuan 400044, PR China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, Sichuan 400044, PR China
- Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, Sichuan 400044, PR China
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8
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Gao L, Li L, Fang B, Fang Z, Xiang Y, Zhang M, Zhou J, Song H, Chen L, Li T, Xiao H, Wan R, Jiang Y, Peng H. Carryover Contamination-Controlled Amplicon Sequencing Workflow for Accurate Qualitative and Quantitative Detection of Pathogens: a Case Study on SARS-CoV-2. Microbiol Spectr 2023; 11:e0020623. [PMID: 37098913 PMCID: PMC10269707 DOI: 10.1128/spectrum.00206-23] [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: 01/13/2023] [Accepted: 04/02/2023] [Indexed: 04/27/2023] Open
Abstract
Carryover contamination during amplicon sequencing workflow (AMP-Seq) put the accuracy of the high-throughput detection for pathogens at risk. The purpose of this study is to develop a carryover contaminations-controlled AMP-Seq (ccAMP-Seq) workflow to enable accurate qualitative and quantitative detection for pathogens. By using the AMP-Seq workflow to detect SARS-CoV-2, Aerosols, reagents and pipettes were identified as potential sources of contaminations and ccAMP-Seq was then developed. ccAMP-Seq used filter tips and physically isolation of experimental steps to avoid cross contamination, synthetic DNA spike-ins to compete with contaminations and quantify SARS-CoV-2, dUTP/uracil DNA glycosylase system to digest the carryover contaminations, and a new data analysis procedure to remove the sequencing reads from contaminations. Compared to AMP-Seq, the contamination level of ccAMP-Seq was at least 22-folds lower and the detection limit was also about an order of magnitude lower-as low as one copy/reaction. By testing the dilution series of SARS-CoV-2 nucleic acid standard, ccAMP-Seq showed 100% sensitivity and specificity. The high sensitivity of ccAMP-Seq was further confirmed by the detection of SARS-CoV-2 from 62 clinical samples. The consistency between qPCR and ccAMP-Seq was 100% for all the 53 qPCR-positive clinical samples. Seven qPCR-negative clinical samples were found to be positive by ccAMP-Seq, which was confirmed by extra qPCR tests on subsequent samples from the same patients. This study presents a carryover contamination-controlled, accurate qualitative and quantitative amplicon sequencing workflow that addresses the critical problem of pathogen detection for infectious diseases. IMPORTANCE Accuracy, a key indicator of pathogen detection technology, is compromised by carryover contamination in the amplicon sequencing workflow. Taking the detection of SARS-CoV-2 as case, this study presents a new carryover contamination-controlled amplicon sequencing workflow. The new workflow significantly reduces the degree of contamination in the workflow, thereby significantly improving the accuracy and sensitivity of the SARS-CoV-2 detection and empowering the ability of quantitative detection. More importantly, the use of the new workflow is simple and economical. Therefore, the results of this study can be easily applied to other microorganism, which has great significance for improving the detection level of microorganism.
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Affiliation(s)
- Lifen Gao
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Lun Li
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Bin Fang
- Hubei Provincial Centers for Disease Control and Prevention, Wuhan, Hubei, People’s Republic of China
| | - Zhiwei Fang
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Yanghai Xiang
- Yueyang Central Hospital, Yueyang, Hunan, People’s Republic of China
| | - Min Zhang
- Yueyang Central Hospital, Yueyang, Hunan, People’s Republic of China
| | - Junfei Zhou
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Huiyin Song
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Lihong Chen
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Tiantian Li
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Huafeng Xiao
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Renjing Wan
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
| | - Yongzhong Jiang
- Hubei Provincial Centers for Disease Control and Prevention, Wuhan, Hubei, People’s Republic of China
| | - Hai Peng
- Institute for Systems Biology, Jianghan University, Wuhan, Hubei, People’s Republic of China
- Mingliao Biotechnology Co., Ltd., Wuhan, Hubei, People’s Republic of China
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9
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Sun H, Xie W, Huang Y, Mo J, Dong H, Chen X, Zhang Z, Shang J. Paper microfluidics with deep learning for portable intelligent nucleic acid amplification tests. Talanta 2023; 258:124470. [PMID: 36958098 PMCID: PMC10027307 DOI: 10.1016/j.talanta.2023.124470] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/01/2023] [Accepted: 03/17/2023] [Indexed: 03/22/2023]
Abstract
During global outbreaks such as COVID-19, regular nucleic acid amplification tests (NAATs) have posed unprecedented burden on hospital resources. Data of traditional NAATs are manually analyzed post assay. Integration of artificial intelligence (AI) with on-chip assays give rise to novel analytical platforms via data-driven models. Here, we combined paper microfluidics, portable optoelectronic system with deep learning for SARS-CoV-2 detection. The system was quite streamlined with low power dissipation. Pixel by pixel signals reflecting amplification of synthesized SARS-CoV-2 templates (containing ORF1ab, N and E genes) can be real-time processed. Then, the data were synchronously fed to the neural networks for early prediction analysis. Instead of the quantification cycle (Cq) based analytics, reaction dynamics hidden at the early stage of amplification curve were utilized by neural networks for predicting subsequent data. Qualitative and quantitative analysis of the 40-cycle NAATs can be achieved at the end of 22nd cycle, reducing time cost by 45%. In particular, the attention mechanism based deep learning model trained by microfluidics-generated data can be seamlessly adapted to multiple clinical datasets including readouts of SARS-CoV-2 detection. Accuracy, sensitivity and specificity of the prediction can reach up to 98.1%, 97.6% and 98.6%, respectively. The approach can be compatible with the most advanced sensing technologies and AI algorithms to inspire ample innovations in fields of fundamental research and clinical settings.
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Affiliation(s)
- Hao Sun
- School of Mechanical Engineering and Automation, Fuzhou University, 350108, China; Fujian Provincial Collaborative Innovation Centre of High-End Equipment Manufacturing, 350108, China.
| | - Wantao Xie
- School of Mechanical Engineering and Automation, Fuzhou University, 350108, China; Fujian Provincial Collaborative Innovation Centre of High-End Equipment Manufacturing, 350108, China
| | - Yi Huang
- Centre for Experimental Research in Clinical Medicine, Fujian Provincial Hospital, 350001, China
| | - Jin Mo
- School of Mechanical Engineering and Automation, Fuzhou University, 350108, China; Fujian Provincial Collaborative Innovation Centre of High-End Equipment Manufacturing, 350108, China
| | - Hui Dong
- School of Mechanical Engineering and Automation, Fuzhou University, 350108, China; Fujian Provincial Collaborative Innovation Centre of High-End Equipment Manufacturing, 350108, China.
| | - Xinkai Chen
- Star-Net Ruijie Science & Technology Co., Ltd., 350108, China
| | - Zhixing Zhang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, 518118, China.
| | - Junyi Shang
- School of Automation, Beijing Institute of Technology, 100081, China.
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10
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Zhang P, Li Y, Zhang D, Zhu X, Guo J, Ma C, Shi C. Real-time detection of SARS-CoV-2 in clinical samples via ultrafast ligation-dependent RNA transcription amplification. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1915-1922. [PMID: 37000537 DOI: 10.1039/d3ay00093a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
RNA has been recognized as an important biomarker of many infectious pathogens; thus, sensitive, simple and rapid detection of RNA is urgently required for the control of epidemics. Herein, we report an ultrafast ligation-dependent RNA transcription amplification assay with high sensitivity and specificity for real-time detection of SARS-CoV-2 in real clinical samples, termed splint-based cascade transcription amplification (SCAN). Target RNA is first recognized by two DNA probes, which are then ligated together by SplintR, followed by the binding of the T7 promotor and T7 RNA polymerase to the ligated probe and the start of the transcription process. By introducing a vesicular stomatitis virus (VSV) terminator in the ligated probe, large amounts of RNA transcripts are rapidly produced within 10 min, which then directly hybridize with molecular beacons (MBs) and trigger the conformational switch of the MBs to generate a fluorescence signal that can be monitored in real time. The SCAN assay, which can be completed within 30-50 min, has a limit of detection of 104 copies per mL, while exhibiting high specificity to distinguish the target pathogen from those causing similar syndromes. More importantly, the results of SCAN for SARS-CoV-2 detection in clinical samples display great agreement with the most used qRT-PCR and qRT-LAMP, indicating great potential in the diagnosis of pathogens in clinical practice.
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Affiliation(s)
- Peng Zhang
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, PR China.
| | - Yang Li
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, PR China.
| | - Dongmei Zhang
- Qingdao Special Servicemen Recuperation Center of PLA Navy, Qingdao, 266071, PR China
| | - Xinghao Zhu
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, PR China.
| | - Jinling Guo
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, PR China.
| | - Cuiping Ma
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Chao Shi
- Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, College of Life Sciences, Department of Pathogenic Biology, School of Basic Medicine, Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, PR China.
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11
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Development of CRISPR-Mediated Nucleic Acid Detection Technologies and Their Applications in the Livestock Industry. Genes (Basel) 2022; 13:genes13112007. [PMID: 36360244 PMCID: PMC9690124 DOI: 10.3390/genes13112007] [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: 10/05/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
The rapid rate of virus transmission and pathogen mutation and evolution highlight the necessity for innovative approaches to the diagnosis and prevention of infectious diseases. Traditional technologies for pathogen detection, mostly PCR-based, involve costly/advanced equipment and skilled personnel and are therefore not feasible in resource-limited areas. Over the years, many promising methods based on clustered regularly interspaced short palindromic repeats and the associated protein systems (CRISPR/Cas), i.e., orthologues of Cas9, Cas12, Cas13 and Cas14, have been reported for nucleic acid detection. CRISPR/Cas effectors can provide one-tube reaction systems, amplification-free strategies, simultaneous multiplex pathogen detection, visual colorimetric detection, and quantitative identification as alternatives to quantitative PCR (qPCR). This review summarizes the current development of CRISPR/Cas-mediated molecular diagnostics, as well as their design software and readout methods, highlighting technical improvements for integrating CRISPR/Cas technologies into on-site applications. It further highlights recent applications of CRISPR/Cas-based nucleic acid detection in livestock industry, including emerging infectious diseases, authenticity and composition of meat/milk products, as well as sex determination of early embryos.
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12
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Zhang X, Shi Y, Chen G, Wu D, Wu Y, Li G. CRISPR/Cas Systems-Inspired Nano/Biosensors for Detecting Infectious Viruses and Pathogenic Bacteria. SMALL METHODS 2022; 6:e2200794. [PMID: 36114150 DOI: 10.1002/smtd.202200794] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Infectious pathogens cause severe human illnesses and great deaths per year worldwide. Rapid, sensitive, and accurate detection of pathogens is of great importance for preventing infectious diseases caused by pathogens and optimizing medical healthcare systems. Inspired by a microbial defense system (i.e., CRISPR/ CRISPR-associated proteins (Cas) system, an adaptive immune system for protecting microorganisms from being attacked by invading species), a great many new biosensors have been successfully developed and widely applied in the detection of infectious viruses and pathogenic bacteria. Moreover, advanced nanotechnologies have also been integrated into these biosensors to improve their detection stability, sensitivity, and accuracy. In this review, the recent advance in CRISPR/Cas systems-based nano/biosensors and their applications in the detection of infectious viruses and pathogenic bacteria are comprehensively reviewed. First of all, the categories and working principles of CRISPR/Cas systems for establishing the nano/biosensors are simply introduced. Then, the design and construction of CRISPR/Cas systems-based nano/biosensors are comprehensively discussed. In the end, attentions are focused on the applications of CRISPR/Cas systems-based nano/biosensors in the detection of infectious viruses and pathogenic bacteria. Impressively, the remaining opportunities and challenges for the further design and development of CRISPR/Cas system-based nano/biosensors and their promising applications are proposed.
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Affiliation(s)
- Xianlong Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Yiheng Shi
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Guang Chen
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Di Wu
- Institute for Global Food Security, Queen's University Belfast, Belfast, BT95DL, UK
| | - Yongning Wu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing, 100021, P. R. China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
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13
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Cao G, Xiong Y, Nie F, Chen X, Peng L, Li Y, Yang M, Huo D, Hou C. Non-nucleic acid extraction and ultra-sensitive detection of African swine fever virus via CRISPR/Cas12a. Appl Microbiol Biotechnol 2022; 106:4695-4704. [PMID: 35715648 DOI: 10.1007/s00253-022-11999-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/19/2022] [Accepted: 05/26/2022] [Indexed: 12/26/2022]
Abstract
Early diagnosis of the African swine fever virus (ASFV) is the main preventive measure for ASFV. Here, we developed a fluorescent biosensor and lateral flow assay (LFA) strip based on direct PCR combined with CRISPR/Cas12a system for ASF. Direct PCR can simultaneously split samples and efficiently amplify without sacrificing sensitivity, which eliminated the steps of nucleic acid extraction. Furthermore, by the CRISPR/Cas12a, the biosensor addressed false positives caused by non-specific amplification and had high sensitivity with the actual limit of detection (LOD) of 7.6×10-4 ng·μL-1 (4 copies·μL-1). In addition, the strategy was built on the lateral flow assay (LFA) strip to achieve visual and portable detection for point-of-care testing. Moreover, the biosensor by a fluorometer and LFA strip showed a high accuracy to rival qPCR in actual sample detection. Therefore, the biosensor is an ultra-sensitive and specific tool that can replace traditional methods. KEY POINTS: • No nucleic acid extraction, direct PCR-simplified steps, and reduced time and cost • CRISPR/Cas12a solved the false positives caused by nonspecific amplification • The combination of the LFA strip and biosensor is more convenient for POC detection.
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Affiliation(s)
- Gaihua Cao
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, People's Republic of China
| | - Yifan Xiong
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, People's Republic of China
| | - Fuping Nie
- State Key Laboratory of Cattle Diseases Detection (Chongqing), Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing, 400044, People's Republic of China
| | - Xiaolong Chen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044, People's Republic of China
| | - Lan Peng
- Chongqing Medical and Pharmaceutical College Basic Department, Chongqing, 401331, People's Republic of China
| | - Yingguo Li
- State Key Laboratory of Cattle Diseases Detection (Chongqing), Diagnosis and Testing Laboratory of Lumpy Skin Disease, Chongqing Customs Technology Center, Chongqing, 400044, People's Republic of China
| | - Mei Yang
- 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, People's Republic of 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, People's Republic of China. .,Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, People's Republic of 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, People's Republic of China.
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14
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Improving the specificity of nucleic acid detection with endonuclease-actuated degradation. Commun Biol 2022; 5:290. [PMID: 35361863 PMCID: PMC8971390 DOI: 10.1038/s42003-022-03242-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 03/07/2022] [Indexed: 11/08/2022] Open
Abstract
Nucleic acid detection is essential for numerous biomedical applications, but often requires complex protocols and/or suffers false-positive readouts. Here, we describe SENTINEL, an approach that combines isothermal amplification with a sequence-specific degradation method to detect nucleic acids with high sensitivity and sequence-specificity. Target single-stranded RNA or double-stranded DNA molecules are amplified by loop-mediated isothermal amplification (LAMP) and subsequently degraded by the combined action of lambda exonuclease and a sequence-specific DNA endonuclease (e.g., Cas9). By combining the sensitivity of LAMP with the precision of DNA endonucleases, the protocol achieves attomolar limits of detection while differentiating between sequences that differ by only one or two base pairs. The protocol requires less than an hour to complete using a 65 °C heat block and fluorometer, and detects SARS-CoV-2 virus particles in human saliva and nasopharyngeal swabs with high sensitivity.
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15
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Tozaki T, Ohnuma A, Kikuchi M, Ishige T, Kakoi H, Hirota KI, Kusano K, Nagata SI. Design and storage stability of reference materials for microfluidic quantitative PCR-based equine gene doping tests. J Equine Sci 2022; 32:125-134. [PMID: 35023990 PMCID: PMC8731687 DOI: 10.1294/jes.32.125] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/17/2021] [Indexed: 11/01/2022] Open
Abstract
One method of gene doping in horseracing is administering of exogenous genetic materials, known as transgenes. Several polymerase chain reaction (PCR)-based methods have been developed for detecting transgenes with high sensitivity and specificity. However, novel designs for reference materials (RMs) and/or positive template controls (PTCs) are necessary for simultaneous analysis of multiple transgene targets. In this study, we designed and developed a novel RM for simultaneously detecting multiple targets via microfluidic quantitative PCR (MFQPCR). Twelve equine genes were selected as targets in this study. A sequence region including primers and probes for quantitative PCR was designed, and a 10 bp sequence was inserted to allow the RM to be distinguished from the original transgene sequences. The sequences of individual detection sites were then connected for 12 genes and cloned into a single plasmid vector. We performed fragment size analysis to distinguish between the PCR products of the original transgene sequence and those of the RM, enabling identification of RM contamination. PTCs diluted to 10,000, 1,000, 100, and 10 copies/µl with horse genomic DNA from RM were stably stored at 4°C for 1 year. As digital PCR enabled absolute quantification, the designed substances can serve as an RM. These findings indicate that the RM design and storage conditions were suitable for gene doping tests using MFQPCR.
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Affiliation(s)
- Teruaki Tozaki
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Aoi Ohnuma
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Mio Kikuchi
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Taichiro Ishige
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Hironaga Kakoi
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Kei-Ichi Hirota
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
| | - Kanichi Kusano
- Equine Department, Japan Racing Association, Tokyo 106-8401, Japan
| | - Shun-Ichi Nagata
- Genetic Analysis Department, Laboratory of Racing Chemistry, Tochigi 320-0851, Japan
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16
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Yin L, Man S, Ye S, Liu G, Ma L. CRISPR-Cas based virus detection: Recent advances and perspectives. Biosens Bioelectron 2021; 193:113541. [PMID: 34418634 PMCID: PMC8349459 DOI: 10.1016/j.bios.2021.113541] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/16/2021] [Accepted: 08/02/2021] [Indexed: 12/26/2022]
Abstract
Viral infections are one of the most intimidating threats to human beings. One convincing example is the coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2. Rapid, sensitive, specific and field-deployable identification of causal viruses is critical for disease surveillance, control and treatment. The shortcomings of current methods create an impending need for developing novel biosensing platforms. CRISPR-Cas systems, especially CRISPR-Cas12a and CRISPR-Cas13a, characterized by their sensitivity, specificity, high base resolution and programmability upon nucleic acid recognition, have been repurposed for molecular diagnostics, surging a new path forward in biosensing. They, as the core of some robust diagnostic tools, are revolutionizing the way that virus can be detected. This review focuses on recent advances in virus detection with CRISPR-Cas systems especially CRISPR-Cas12a/Cas13a. We started with a short introduction to CRISPR-Cas systems and the properties of Cas12a and Cas13a effectors, and continued with reviewing the current advances of virus detection utilizing CRISPR-Cas systems. The significance and advantages of such methods were then discussed. Finally, the challenges and perspectives were proposed. We tried to provide readers with a concise profile of emerging and fast-expanding CRISPR-Cas based biosensing technology, and highlighted its potential applications in a range of scenarios with regard to virus detection.
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Affiliation(s)
- Lijuan Yin
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Shengying Ye
- Pharmacy Department, The 983(th)Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Tianjin, 300142, China.
| | - Guozhen Liu
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, 518172, China.
| | - Long Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
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17
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Wang SY, Du YC, Wang DX, Ma JY, Tang AN, Kong DM. Signal amplification and output of CRISPR/Cas-based biosensing systems: A review. Anal Chim Acta 2021; 1185:338882. [PMID: 34711321 DOI: 10.1016/j.aca.2021.338882] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/30/2021] [Accepted: 07/23/2021] [Indexed: 12/14/2022]
Abstract
CRISPR (clustered regularly interspaced short palindromic repeats)/Cas (CRISPR-associated) proteins are powerful gene-editing tools because of their ability to accurately recognize and manipulate nucleic acids. Besides gene-editing function, they also show great promise in biosensing applications due to the superiority of easy design and precise targeting. To improve the performance of CRISPR/Cas-based biosensing systems, various nucleic acid-based signal amplification techniques are elaborately incorporated. The incorporation of these amplification techniques not only greatly increases the detection sensitivity and specificity, but also extends the detectable target range, as well as makes the use of various signal output modes possible. Therefore, summarizing the use of signal amplification techniques in sensing systems and elucidating their roles in improving sensing performance are very necessary for the development of more superior CRISPR/Cas-based biosensors for various applications. In this review, CRISPR/Cas-based biosensors are summarized from two aspects: the incorporation of signal amplification techniques in three kinds of CRISPR/Cas-based biosensing systems (Cas9, Cas12 and Cas13-based ones) and the signal output modes used by these biosensors. The challenges and prospects for the future development of CRISPR/Cas-based biosensors are also discussed.
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Affiliation(s)
- Si-Yuan Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
| | - Yi-Chen Du
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
| | - Dong-Xia Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
| | - Jia-Yi Ma
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
| | - An-Na Tang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China
| | - De-Ming Kong
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People's Republic of China.
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18
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Hillary VE, Ignacimuthu S, Ceasar SA. Potential of CRISPR/Cas system in the diagnosis of COVID-19 infection. Expert Rev Mol Diagn 2021; 21:1179-1189. [PMID: 34409907 PMCID: PMC8607542 DOI: 10.1080/14737159.2021.1970535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/17/2021] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Emerging novel infectious diseases and persistent pandemics with potential to destabilize normal life remain a public health concern for the whole world. The recent outbreak of pneumonia caused by Coronavirus infectious disease-2019 (COVID-19) resulted in high mortality due to a lack of effective drugs or vaccines. With a constantly increasing number of infections with mutated strains and deaths across the globe, rapid, affordable and specific detections with more accurate diagnosis and improved health treatments are needed to combat the spread of this novel pathogen COVID-19. AREAS COVERED Researchers have started to utilize the recently invented clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated proteins (CRISPR/Cas)-based tools for the rapid detection of novel COVID-19. In this review, we summarize the potential of CRISPR/Cas system for the diagnosis and enablement of efficient control of COVID-19. EXPERT OPINION Multiple groups have demonstrated the potential of utilizing CRISPR-based diagnosis tools for the detection of SARS-CoV-2. In coming months, we expect more novel and rapid CRISPR-based kits for mass detection of COVID-19-infected persons within a fraction of a second. Therefore, we believe science will conquer COVID-19 in the near future.
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Affiliation(s)
- V. Edwin Hillary
- Division of Biotechnology, Entomology Research Institute, Loyola College, University of Madras, Chennai, India
| | | | - S. Antony Ceasar
- Department of Biosciences, Bharath Institute of Higher Education and Research, Chennai, India
- Department of Biosciences, Rajagiri College of Social Sciences, Cochin, India
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19
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Nano-immunosorbent assay based on Cas12a/crRNA for ultra-sensitive protein detection. Biosens Bioelectron 2021; 190:113450. [PMID: 34197999 DOI: 10.1016/j.bios.2021.113450] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 12/21/2022]
Abstract
Apart from the great potential in genome editing, the clustered regularly interspaced short palindromic repeat (CRISPR)/Cas system has recently been widely used in biosensing. However, due to the complex and inefficient signal conversion strategies, most of the works focused on nucleic acid analysis rather than protein biomarkers. Herein, by employing DNA-AuNPs (gold nanoparticles) nanotechnology to activate trans-cleavage activity of CRISPR/Cas12a, a universal signal transduction strategy was established between trans-cleavage of CRISPR/Cas12a and protein analytes. As a result, a sensitive platform was developed for sensing carcinoembryonic antigen (CEA) and prostate specific-antigen (PSA) biomarkers, which was designated as Nano-CLISA (Nano-immunosorbent assay based on Cas12a/crRNA). Nano-CLISA was directly employed to test PSA in clinical samples, indicating its great potential in practical detection. This platform has been used to quantitatively analyze protein at attomolar levels, which was 1000-fold more sensitive than traditional ELISA, and the detection range is 15 times wider than that of traditional ELISA.
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20
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Yue H, Huang M, Tian T, Xiong E, Zhou X. Advances in Clustered, Regularly Interspaced Short Palindromic Repeats (CRISPR)-Based Diagnostic Assays Assisted by Micro/Nanotechnologies. ACS NANO 2021; 15:7848-7859. [PMID: 33961413 DOI: 10.1021/acsnano.1c02372] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Clustered, regularly interspaced short palindromic repeats (CRISPR)-based diagnoses, derived from gene-editing technology, have been exploited for less than 5 years and are now reaching the stage of precommercial use. CRISPR tools have some notable features, such as recognition at physiological temperature, excellent specificity, and high-efficiency signal amplification capabilities. These characteristics are promising for the development of next-generation diagnostic technologies. In this Perspective, we present a detailed summary of which micro/nanotechnologies play roles in the advancement of CRISPR diagnosis and how they are involved. The use of nanoprobes, nanochips, and nanodevices, microfluidic technology, lateral flow strips, etc. in CRISPR detection systems has led to new opportunities for CRISPR-based diagnosis assay development, such as achieving equipment-free detection, providing more compact detection systems, and improving sensitivity and quantitative capabilities. Although tremendous progress has been made, CRISPR diagnosis has not yet reached its full potential. We discuss upcoming opportunities and improvements and how micro/nanotechnologies will continue to play key roles.
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Affiliation(s)
- Huahua Yue
- School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Mengqi Huang
- School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Tian Tian
- School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Erhu Xiong
- School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Xiaoming Zhou
- School of Life Sciences, South China Normal University, Guangzhou 510631, China
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