1
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Li B, Lin B, Wang Y, Shi Y, Zeng W, Zhao Y, Gu Y, Liu C, Gao H, Cheng H, Zheng X, Xiang G, Wang G, Liu P. Multi-scenario surveillance of respiratory viruses in aerosols with sub-single-copy spatial resolution. Nat Commun 2024; 15:8770. [PMID: 39384836 PMCID: PMC11464689 DOI: 10.1038/s41467-024-53059-x] [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: 03/25/2024] [Accepted: 09/26/2024] [Indexed: 10/11/2024] Open
Abstract
Highly sensitive airborne virus monitoring is critical for preventing and containing epidemics. However, the detection of airborne viruses at ultra-low concentrations remains challenging due to the lack of ultra-sensitive methods and easy-to-deployment equipment. Here, we present an integrated microfluidic cartridge that can accurately detect SARS-COV-2, Influenza A, B, and respiratory syncytial virus with a sensitivity of 10 copies/mL. When integrated with a high-flow aerosol sampler, our microdevice can achieve a sub-single-copy spatial resolution of 0.83 copies/m3 for airborne virus surveillance with an air flow rate of 400 L/min and a sampling time of 30 minutes. We then designed a series of virus-in-aerosols monitoring systems (RIAMs), including versions of a multi-site sampling RIAMs (M-RIAMs), a stationary real-time RIAMs (S-RIAMs), and a roaming real-time RIAMs (R-RIAMs) for different application scenarios. Using M-RIAMs, we performed a comprehensive evaluation of 210 environmental samples from COVID-19 patient wards, including 30 aerosol samples. The highest positive detection rate of aerosol samples (60%) proved the aerosol-based SARS-CoV-2 monitoring represents an effective method for spatial risk assessment. The detection of 78 aerosol samples in real-world settings via S-RIAMs confirmed its reliability for ultra-sensitive and continuous airborne virus monitoring. Therefore, RIAMs shows the potential as an effective solution for mitigating the risk of airborne virus transmission.
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Affiliation(s)
- Bao Li
- School of Biomedical Engineering, Tsinghua University, Beijing, China
- Changping Laboratory, Beijing, China
| | - Baobao Lin
- School of Biomedical Engineering, Tsinghua University, Beijing, China
| | - Yan Wang
- Department of Infectious Diseases, Peking University First Hospital, Beijing, China
| | - Ye Shi
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Zhejiang, China
| | - Wu Zeng
- School of Biomedical Engineering, Tsinghua University, Beijing, China
- Changping Laboratory, Beijing, China
| | | | - Yin Gu
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing, China
| | - Chang Liu
- School of Biomedical Engineering, Tsinghua University, Beijing, China
| | - Hui Gao
- Department of Infectious Diseases, Peking University First Hospital, Beijing, China
| | - Hao Cheng
- Department of Infectious Diseases, Peking University First Hospital, Beijing, China
| | - Xiaoqun Zheng
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Zhejiang, China
| | - Guangxin Xiang
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Zhejiang, China.
| | - Guiqiang Wang
- Department of Infectious Diseases, Peking University First Hospital, Beijing, China.
- Department of Infectious Diseases, Peking University International Hospital, Beijing, China.
- Beijing Key Laboratory of Hepatitis C and Immunotherapy for Liver Diseases, Beijing, China.
| | - Peng Liu
- School of Biomedical Engineering, Tsinghua University, Beijing, China.
- Changping Laboratory, Beijing, China.
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2
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Lin B, Li B, Zeng W, Zhao Y, Li H, Gu Y, Liu P. Needle-Plug/Piston-Based Modular Mesoscopic Design Paradigm Coupled With Microfluidic Device for Point-of-Care Pooled Testing. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2406076. [PMID: 39269286 DOI: 10.1002/advs.202406076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/26/2024] [Indexed: 09/15/2024]
Abstract
Emerging diagnostic scenarios, such as population surveillance by pooled testing and on-site rapid diagnosis, highlight the importance of advanced microfluidic systems for in vitro diagnostics. However, the widespread adoption of microfluidic technology faces challenges due to the lack of standardized design paradigms, posing difficulties in managing macro-micro fluidic interfaces, reagent storage, and complex macrofluidic operations. This paper introduces a novel modular-based mesoscopic design paradigm, featuring a core "needle-plug/piston" structure with versatile variants for complex fluidic operations. These structures can be easily coupled with various microfluidic platforms to achieve truly self-contained microsystems. Incorporated into a "3D extensible" design architecture, the mesoscopic design meets the demands of function integration, macrofluid manipulations, and flexible throughputs for point-of-care nucleic acid testing. Using this approach, an ultra-sensitive nucleic acid detection system is developed with a limit of detection of ten copies of SARS-CoV-2 per mL. This system efficiently conducts large-scale pooled testing from 50 pharyngeal swabs in a tube with an uncompromised sensitivity, enabling a truly "sample-in-answer-out" microsystem with exceptional performance.
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Affiliation(s)
- Baobao Lin
- Department of Biomedical Engineering, Tsinghua University, Beijing, 100084, China
| | - Bao Li
- Department of Biomedical Engineering, Tsinghua University, Beijing, 100084, China
| | - Wu Zeng
- Department of Biomedical Engineering, Tsinghua University, Beijing, 100084, China
- Changping Laboratory, Beijing, 102206, China
| | - Yulan Zhao
- Changping Laboratory, Beijing, 102206, China
| | - Huiping Li
- Department of Biomedical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yin Gu
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Peng Liu
- Department of Biomedical Engineering, Tsinghua University, Beijing, 100084, China
- Changping Laboratory, Beijing, 102206, China
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3
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Zhao J, Zhu J, Wang W, Qian Z, Fan S. CRISPR/Cas12a cleavage triggered nanoflower for fluorescence-free and target amplification-free biosensing of ctDNA in the terahertz frequencies. BIOMEDICAL OPTICS EXPRESS 2024; 15:5400-5410. [PMID: 39296404 PMCID: PMC11407253 DOI: 10.1364/boe.534511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 08/13/2024] [Accepted: 08/13/2024] [Indexed: 09/21/2024]
Abstract
The detection of tumor biomarkers in liquid biopsies requires high sensitivity and low-cost biosensing strategies. However, few traditional techniques can satisfy the requirements of target amplification-free and fluorescence-free at the same time. In this study, we have proposed a novel strategy for ctDNA detection with the combination of terahertz spectroscopy and the CRISPR/Cas12 system. The CRISPR/Cas12a system is activated by the target ctDNA, resulting in a series of reactions leading to the formation of an Au-Fe complex. This complex is easily extracted with magnets and when dropped onto the terahertz metamaterial sensor, it can enhance the frequency shift, providing sensitive and selective sensing of the target ctDNA. Results show that the proposed terahertz biosensor exhibits a relatively low detection limit of 0.8 fM and a good selectivity over interference species. This detection limit is improved by three orders of magnitude compared with traditional biosensing methods using terahertz waves. Furthermore, a ctDNA concentration of 100 fM has been successfully detected in bovine serum (corresponding to 50 fM in the final reaction system) without amplification.
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Affiliation(s)
- Jingjing Zhao
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Jianfang Zhu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Weiqiang Wang
- Institute of Health Sciences and Technology, Institutes of Material Science and Information Technology, Anhui University, Hefei 230601, China
| | - Zhengfang Qian
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Shuting Fan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
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4
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Xie Y, Chen Z, Cai D, Huang D, Huang E, Yang X, Zhang T, Wen H, Wang Y, Zhao M, Liu D, Xu B. Rapid Detection of Uropathogens Using an Integrated Multiplex Digital Nucleic Acid Detection Assay Powered by a Digital-to-Droplet Microfluidic Device. Anal Chem 2024. [PMID: 39018349 DOI: 10.1021/acs.analchem.4c02578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/19/2024]
Abstract
The digital nucleic acid detection assay features the capability of absolute quantitation without the need for calibration, thereby facilitating the rapid identification of pathogens. Although several integrated digital nucleic acid detection techniques have been developed, there are still constraints in terms of automation and analysis throughput. To tackle these challenges, this study presents a digital-to-droplet microfluidic device comprising a digital microfluidics (DMF) module at the bottom and a droplet microfluidics module at the top. Following sample introduction, the extraction of nucleic acid and the dispensation of nucleic acid elution for mixing with the multiple amplification reagents are carried out in the DMF module. Subsequently, the reaction droplets are transported to the sample inlet of the droplet microfluidic module via a liquid outlet, and then droplet generation in four parallel units within the droplet microfluidics module is actuated by negative pressure generated by a syringe vacuum. The digital-to-droplet microfluidic device was employed to execute an integrated multiplex digital droplet nucleic acid detection assay (imDDNA) incorporating loop-mediated isothermal amplification (LAMP). This assay was specifically designed to enable simultaneous detection of four uropathogens, namely, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Enterococcus faecalis. The entire process of the imDDNA is completed within 75 min, with a detection range spanning 5 orders of magnitude (9.43 × 10-2.86 × 104 copies μL-1). The imDDNA was employed for the detection of batched clinical specimens, showing a consistency of 91.1% when compared with that of the conventional method. The imDDNA exhibits simplicity in operation and accuracy in quantification, thus offering potential advantages in achieving rapid pathogen detection.
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Affiliation(s)
- Yang Xie
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
| | - Zhenhua Chen
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
| | - Dongyang Cai
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
| | - Dezhi Huang
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
| | - Enqi Huang
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
| | - Xiao Yang
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
| | - Ting Zhang
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
| | - Hongting Wen
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
| | - Yu Wang
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Meng Zhao
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China
| | - Dayu Liu
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
| | - Banglao Xu
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
- Guangdong Engineering Technology Research Center of Microfluidic Chip Medical Diagnosis, Guangzhou 510180, China
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5
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Li S, Gu Y, Geng Z, Li K, Hu Y, Liu Q, Fu R, Liu P. Tweezer PCR: A Highly Specific Method for Accurate Identification of Low-Abundance Mutations. Anal Chem 2023; 95:17679-17690. [PMID: 37971891 DOI: 10.1021/acs.analchem.3c03467] [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
Somatic mutation is a valuable biomarker for tracking tumor progression and migration due to its distinctive feature in various tumors and its wide distribution throughout body fluids. However, accurately detecting somatic mutations from the abundant DNA of noncancerous origins remains a practical challenge in the clinic. Herein, we developed an ultraspecific method, called tweezer PCR, for detecting low-abundance mutations inspired by the design of DNA origami. The high specificity of tweezer PCR relies on a tweezer-shaped primer containing six basic functional units: a primer, a hairpin, a linker, a blocker, a spacer, and a toehold. After optimizing the structure of the tweezer-shaped primer and enhancing its specificity by adding additional Mg2+ and Na+, tweezer PCR distinguished as low as 20 copies of mutations from 2 million copies of wild-type templates per test. By testing synthesized plasmids and plasma samples gathered from nonsmall-cell lung cancer patients, tweezer PCR showed higher specificity and robustness for detecting low-copy-number mutations in contrast with digital droplet PCR. Additionally, the need for conventional instruments makes tweezer PCR a practically accessible method for testing low-abundance mutations. Because of its numerous advantages, we believe that tweezer PCR offers a precise, robust, and pragmatic tool for cancer screening, prognosis, and genotyping in the clinic.
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Affiliation(s)
- Shanglin Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
- Changping Laboratory, Beijing 102206, China
| | - Yin Gu
- State Key Laboratory of Space Medicine, China Astronaut Research and Training Center, Beijing 100094, China
| | - Zhi Geng
- Shimadzu Research Laboratory (Shanghai) Co. Ltd, Shanghai 201206, China
| | - Kaiyi Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Yawei Hu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
- Changping Laboratory, Beijing 102206, China
| | - Qiang Liu
- Beijing Haidian Hospital, Beijing 100080, China
| | - Rongxin Fu
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Peng Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
- Changping Laboratory, Beijing 102206, China
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6
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Nie C, Shaw I, Chen C. Application of microfluidic technology based on surface-enhanced Raman scattering in cancer biomarker detection: A review. J Pharm Anal 2023; 13:1429-1451. [PMID: 38223444 PMCID: PMC10785256 DOI: 10.1016/j.jpha.2023.08.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/02/2023] [Accepted: 08/10/2023] [Indexed: 01/16/2024] Open
Abstract
With the continuous discovery and research of predictive cancer-related biomarkers, liquid biopsy shows great potential in cancer diagnosis. Surface-enhanced Raman scattering (SERS) and microfluidic technology have received much attention among the various cancer biomarker detection methods. The former has ultrahigh detection sensitivity and can provide a unique fingerprint. In contrast, the latter has the characteristics of miniaturization and integration, which can realize accurate control of the detection samples and high-throughput detection through design. Both have the potential for point-of-care testing (POCT), and their combination (lab-on-a-chip SERS (LoC-SERS)) shows good compatibility. In this paper, the basic situation of circulating proteins, circulating tumor cells, exosomes, circulating tumor DNA (ctDNA), and microRNA (miRNA) in the diagnosis of various cancers is reviewed, and the detection research of these biomarkers by the LoC-SERS platform in recent years is described in detail. At the same time, the challenges and future development of the platform are discussed at the end of the review. Summarizing the current technology is expected to provide a reference for scholars engaged in related work and interested in this field.
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Affiliation(s)
- Changhong Nie
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, China
| | - Ibrahim Shaw
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, China
| | - Chuanpin Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, China
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7
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Liang T, Qin X, Zhang Y, Yang Y, Chen Y, Yuan L, Liu F, Chen Z, Li X, Yang F. CRISPR/dCas9-Mediated Specific Molecular Assembly Facilitates Genotyping of Mutant Circulating Tumor DNA. Anal Chem 2023; 95:16305-16314. [PMID: 37874695 DOI: 10.1021/acs.analchem.3c03481] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Breakthroughs in circulating tumor DNA (ctDNA) analysis are critical in tumor liquid biopsies but remain a technical challenge due to the double-stranded structure, extremely low abundance, and short half-life of ctDNA. Here, we report an electrochemical CRISPR/dCas9 sensor (E-dCas9) for sensitive and specific detection of ctDNA at a single-nucleotide resolution. The E-dCas9 design harnesses the specific capture and unzipping of target ctDNA by dCas9 to introduce a complementary reporter probe for specific molecular assembly and signal amplification. By efficient homogeneous assembly and interfacial click reaction, the assay demonstrates superior sensitivity (up to 2.86 fM) in detecting single-base mutant ctDNA and a broad dynamic range spanning 6 orders of magnitude. The sensor is also capable of measuring 10 fg/μL of a mutated target in excess of wild-type ones (1 ng/μL), equivalent to probing 0.001% of the mutation relative to the wild type. In addition, our sensor can monitor the dynamic expression of cellular genomic DNA and allows accurate analysis of blood samples from patients with nonsmall cell lung cancer, suggesting the potential of E-dCas9 as a promising tool in ctDNA-based cancer diagnosis.
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Affiliation(s)
- Tingting Liang
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
- Department of Pharmacy, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
| | - Xiaojie Qin
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Yuyuan Zhang
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Yu Yang
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Yu Chen
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Lin Yuan
- Hubei Provincial Key Laboratory of Occurrence and Intervention of Rhumatic Diseases, Hubei Minzu University, Enshi 445000, China
| | - Feng Liu
- Department of Blood Transfusion, the First Affiliated Hospital, Guangxi Medical University, Nanning 530021, China
| | - Zhizhong Chen
- Department of Clinical Laboratory, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
| | - Xinchun Li
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Fan Yang
- Key Laboratory of Micro-Nanoscale Bioanalysis and Drug Screening of Guangxi Education Department, Guangxi Key Laboratory of Pharmaceutical Precision Detection and Screening, State Key Laboratory of Targeting Oncology, Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
- Hubei Provincial Key Laboratory of Occurrence and Intervention of Rhumatic Diseases, Hubei Minzu University, Enshi 445000, China
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8
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Jiang L, Lin X, Chen F, Qin X, Yan Y, Ren L, Yu H, Chang L, Wang Y. Current research status of tumor cell biomarker detection. MICROSYSTEMS & NANOENGINEERING 2023; 9:123. [PMID: 37811123 PMCID: PMC10556054 DOI: 10.1038/s41378-023-00581-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 06/26/2023] [Accepted: 07/23/2023] [Indexed: 10/10/2023]
Abstract
With the annual increases in the morbidity and mortality rates of tumors, the use of biomarkers for early diagnosis and real-time monitoring of tumor cells is of great importance. Biomarkers used for tumor cell detection in body fluids include circulating tumor cells, nucleic acids, protein markers, and extracellular vesicles. Among them, circulating tumor cells, circulating tumor DNA, and exosomes have high potential for the prediction, diagnosis, and prognosis of tumor diseases due to the large amount of valuable information on tumor characteristics and evolution; in addition, in situ monitoring of telomerase and miRNA in living cells has been the topic of extensive research to understand tumor development in real time. Various techniques, such as enzyme-linked immunosorbent assays, immunoblotting, and mass spectrometry, have been widely used for the detection of these markers. Among them, the detection of tumor cell markers in body fluids based on electrochemical biosensors and fluorescence signal analysis is highly preferred because of its high sensitivity, rapid detection and portable operation. Herein, we summarize recent research progress in the detection of tumor cell biomarkers in body fluids using electrochemical and fluorescence biosensors, outline the current research status of in situ fluorescence monitoring and the analysis of tumor markers in living cells, and discuss the technical challenges for their practical clinical application to provide a reference for the development of new tumor marker detection methods.
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Affiliation(s)
- Liying Jiang
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
- Academy for Quantum Science and Technology, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Xinyi Lin
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Fenghua Chen
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Xiaoyun Qin
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Yanxia Yan
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Linjiao Ren
- School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002 China
| | - Hongyu Yu
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Lingqian Chang
- key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083 China
| | - Yang Wang
- key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083 China
- School of Engineering Medicine, Beihang University, Beijing, 100083 China
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9
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Yaghoubi Naei V, Bordhan P, Mirakhorli F, Khorrami M, Shrestha J, Nazari H, Kulasinghe A, Ebrahimi Warkiani M. Advances in novel strategies for isolation, characterization, and analysis of CTCs and ctDNA. Ther Adv Med Oncol 2023; 15:17588359231192401. [PMID: 37692363 PMCID: PMC10486235 DOI: 10.1177/17588359231192401] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 07/19/2023] [Indexed: 09/12/2023] Open
Abstract
Over the past decade, the detection and analysis of liquid biopsy biomarkers such as circulating tumor cells (CTCs) and circulating tumor DNA (ctDNA) have advanced significantly. They have received recognition for their clinical usefulness in detecting cancer at an early stage, monitoring disease, and evaluating treatment response. The emergence of liquid biopsy has been a helpful development, as it offers a minimally invasive, rapid, real-time monitoring, and possible alternative to traditional tissue biopsies. In resource-limited settings, the ideal platform for liquid biopsy should not only extract more CTCs or ctDNA from a minimal sample volume but also accurately represent the molecular heterogeneity of the patient's disease. This review covers novel strategies and advancements in CTC and ctDNA-based liquid biopsy platforms, including microfluidic applications and comprehensive analysis of molecular complexity. We discuss these systems' operational principles and performance efficiencies, as well as future opportunities and challenges for their implementation in clinical settings. In addition, we emphasize the importance of integrated platforms that incorporate machine learning and artificial intelligence in accurate liquid biopsy detection systems, which can greatly improve cancer management and enable precision diagnostics.
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Affiliation(s)
- Vahid Yaghoubi Naei
- School of Biomedical Engineering, University of Technology Sydney, Sydney, Australia
- Faculty of Medicine, Frazer Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Pritam Bordhan
- School of Biomedical Engineering, University of Technology Sydney, Sydney, Australia
- Faculty of Science, Institute for Biomedical Materials & Devices, University of Technology Sydney, Australia
| | - Fatemeh Mirakhorli
- School of Biomedical Engineering, University of Technology Sydney, Sydney, Australia
| | - Motahare Khorrami
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jesus Shrestha
- School of Biomedical Engineering, University of Technology Sydney, Sydney, Australia
| | - Hojjatollah Nazari
- School of Biomedical Engineering, University of Technology Sydney, Sydney, Australia
| | - Arutha Kulasinghe
- Faculty of Medicine, Frazer Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering, University of Technology Sydney, 1, Broadway, Ultimo New South Wales 2007, Australia
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10
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Alexandre L, Araya-Farias M, Nguyen ML, Naoumi N, Gropplero G, Gizeli E, Malaquin L, Descroix S. High-throughput extraction on a dynamic solid phase for low-abundance biomarker isolation from biological samples. MICROSYSTEMS & NANOENGINEERING 2023; 9:109. [PMID: 37680311 PMCID: PMC10480215 DOI: 10.1038/s41378-023-00582-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/25/2023] [Accepted: 07/13/2023] [Indexed: 09/09/2023]
Abstract
Liquid biopsy, in particular circulating tumor DNA (ctDNA) analysis, has paved the way for a new noninvasive approach to cancer diagnosis, treatment selection and follow-up. As a crucial step in the analysis, the extraction of the genetic material from a complex matrix needs to meet specific requirements such as high specificity and low loss of target. Here, we developed a new generation of microfluidic fluidized beds (FBs) that enable the efficient extraction and preconcentration of specific ctDNA sequences from human serum with flow rates up to 15 µL/min. We first demonstrated that implementation of a vibration system inducing flow rate fluctuations combined with a mixture of different bead sizes significantly enhanced bead homogeneity, thereby increasing capture efficiency. Taking advantage of this new generation of high-throughput magnetic FBs, we then developed a new method to selectively capture a double-stranded (dsDNA) BRAF mutated DNA sequence in complex matrices such as patient serum. Finally, as proof of concept, ligation chain reaction (LCR) assays were performed to specifically amplify a mutated BRAF sequence, allowing the detection of concentrations as low as 6 × 104 copies/µL of the mutated DNA sequence in serum.
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Affiliation(s)
- Lucile Alexandre
- Laboratoire Physico-Chimie Curie, CNRS UMR 168, Institut Curie, PSL Research University, Paris, France
- Institut Pierre-Gilles de Gennes (IPGG), Sorbonne University, Paris, France
| | - Monica Araya-Farias
- Laboratoire Physico-Chimie Curie, CNRS UMR 168, Institut Curie, PSL Research University, Paris, France
- Institut Pierre-Gilles de Gennes (IPGG), Sorbonne University, Paris, France
- Present Address: Frédéric Joliot Institute for Life Sciences, Pharmacology and Immunoanalysis Unit, Immunoanalysis Studies and Research Laboratory, Alternative Energies and Atomic Energy Commission (CEA), Gif-sur-Yvette, France
| | - Manh-Louis Nguyen
- Laboratoire Physico-Chimie Curie, CNRS UMR 168, Institut Curie, PSL Research University, Paris, France
- Institut Pierre-Gilles de Gennes (IPGG), Sorbonne University, Paris, France
| | - Nikoletta Naoumi
- Department of Biology, University of Crete, Heraklion, Greece
- Institute of Molecular Biology and Biotechnology (IMBB) - FORTH, Heraklion, Greece
| | - Giacomo Gropplero
- Laboratoire Physico-Chimie Curie, CNRS UMR 168, Institut Curie, PSL Research University, Paris, France
- Institut Pierre-Gilles de Gennes (IPGG), Sorbonne University, Paris, France
| | - Electra Gizeli
- Department of Biology, University of Crete, Heraklion, Greece
- Institute of Molecular Biology and Biotechnology (IMBB) - FORTH, Heraklion, Greece
| | - Laurent Malaquin
- Laboratoire d’analyse et d’architecture des systèmes (LAAS) CNRS, Elia Group, Toulouse, France
| | - Stéphanie Descroix
- Laboratoire Physico-Chimie Curie, CNRS UMR 168, Institut Curie, PSL Research University, Paris, France
- Institut Pierre-Gilles de Gennes (IPGG), Sorbonne University, Paris, France
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11
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Ren Y, Ji J, Zhang H, Cao L, Hu J, Xu F, Li Z. A three-in-one microfluidic droplet digital PCR platform for absolute quantitative analysis of DNA. LAB ON A CHIP 2023; 23:2521-2530. [PMID: 37183971 DOI: 10.1039/d3lc00107e] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Droplet digital polymerase chain reaction (ddPCR) technology has found widespread applications in the ultrasensitive analysis of nucleic acids, where integrated ddPCR platforms with the capability of sample dispersion, followed by in situ amplification and data analysis, are highly expected. However, current integrated ddPCR platforms are usually limited by either difficultly mass-produced materials or lack of integrated control instruments, restricting their practical application. This paper proposes an integrated three-in-one ddPCR platform with high user-friendliness and practicability, which is composed of an easy-to-use chip and a matching control instrument. The chip was made of thermally resistant and easily mass-produced polycarbonate (PC) material, and the benchtop control instrument was designed to perform droplet generation, in situ amplification, and fluorescence reading. The droplet generation and in situ heating on the chip were well characterized. Finally, the performance of the platform was validated through the analysis of the EGFR L858R mutation in lung cancer. The proposed three-in-one ddPCR platform shows great practicability in ultrasensitive nucleic acid testing. By virtue of its sensitivity, practicability, and cost-effectiveness, the ddPCR can serve as a universal detection platform for monitoring nucleic acid in the fields of tumor diagnosis, pathogen detection, and prenatal diagnosis.
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Affiliation(s)
- Yulin Ren
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Jingcheng Ji
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Haoqing Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Lei Cao
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Jie Hu
- Suzhou DiYinAn Biotechnology Co., Ltd, Suzhou, 215010, P.R. China
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Zedong Li
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P.R. China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
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12
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Clack K, Soda N, Kasetsirikul S, Mahmudunnabi RG, Nguyen NT, Shiddiky MJA. Toward Personalized Nanomedicine: The Critical Evaluation of Micro and Nanodevices for Cancer Biomarker Analysis in Liquid Biopsy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205856. [PMID: 36631277 DOI: 10.1002/smll.202205856] [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: 09/23/2022] [Revised: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Liquid biopsy for the analysis of circulating cancer biomarkers (CBs) is a major advancement toward the early detection of cancer. In comparison to tissue biopsy techniques, liquid biopsy is relatively painless, offering multiple sampling opportunities across easily accessible bodily fluids such as blood, urine, and saliva. Liquid biopsy is also relatively inexpensive and simple, avoiding the requirement for specialized laboratory equipment or trained medical staff. Major advances in the field of liquid biopsy are attributed largely to developments in nanotechnology and microfabrication that enables the creation of highly precise chip-based platforms. These devices can overcome detection limitations of an individual biomarker by detecting multiple markers simultaneously on the same chip, or by featuring integrated and combined target separation techniques. In this review, the major advances in the field of portable and semi-portable micro, nano, and multiplexed platforms for CB detection for the early diagnosis of cancer are highlighted. A comparative discussion is also provided, noting merits and drawbacks of the platforms, especially in terms of portability. Finally, key challenges toward device portability and possible solutions, as well as discussing the future direction of the field are highlighted.
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Affiliation(s)
- Kimberley Clack
- School of Environment and Science (ESC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Narshone Soda
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Surasak Kasetsirikul
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Rabbee G Mahmudunnabi
- School of Environment and Science (ESC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Nam-Trung Nguyen
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Muhammad J A Shiddiky
- School of Environment and Science (ESC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
- Queensland Micro and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
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13
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Wang J, Jiang H, Pan L, Gu X, Xiao C, Liu P, Tang Y, Fang J, Li X, Lu C. Rapid on-site nucleic acid testing: On-chip sample preparation, amplification, and detection, and their integration into all-in-one systems. Front Bioeng Biotechnol 2023; 11:1020430. [PMID: 36815884 PMCID: PMC9930993 DOI: 10.3389/fbioe.2023.1020430] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/12/2023] [Indexed: 02/04/2023] Open
Abstract
As nucleic acid testing is playing a vital role in increasingly many research fields, the need for rapid on-site testing methods is also increasing. The test procedure often consists of three steps: Sample preparation, amplification, and detection. This review covers recent advances in on-chip methods for each of these three steps and explains the principles underlying related methods. The sample preparation process is further divided into cell lysis and nucleic acid purification, and methods for the integration of these two steps on a single chip are discussed. Under amplification, on-chip studies based on PCR and isothermal amplification are covered. Three isothermal amplification methods reported to have good resistance to PCR inhibitors are selected for discussion due to their potential for use in direct amplification. Chip designs and novel strategies employed to achieve rapid extraction/amplification with satisfactory efficiency are discussed. Four detection methods providing rapid responses (fluorescent, optical, and electrochemical detection methods, plus lateral flow assay) are evaluated for their potential in rapid on-site detection. In the final section, we discuss strategies to improve the speed of the entire procedure and to integrate all three steps onto a single chip; we also comment on recent advances, and on obstacles to reducing the cost of chip manufacture and achieving mass production. We conclude that future trends will focus on effective nucleic acid extraction via combined methods and direct amplification via isothermal methods.
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Affiliation(s)
- Jingwen Wang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Han Jiang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Leiming Pan
- Zhejiang Hongzheng Testing Co., Ltd., Ningbo, China
| | - Xiuying Gu
- Zhejiang Gongzheng Testing Center Co., Ltd., Hangzhou, China
| | - Chaogeng Xiao
- Institute of Food Science, Zhejiang Academy of Agricultural Science, Hangzhou, China
| | - Pengpeng Liu
- Key Laboratory of Biosafety detection for Zhejiang Market Regulation, Zhejiang Fangyuan Testing Group LO.T, Hangzhou, China
| | - Yulong Tang
- Hangzhou Tiannie Technology Co., Ltd., Hangzhou, China
| | - Jiehong Fang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Xiaoqian Li
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Chenze Lu
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
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14
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Li S, Han B, Zhou D, Gu Y, Li B, Ma J, Fu R, Qi X, Liu P. One-Stop Extraction and In Situ RT-qPCR for Ultrasensitive Detection of Highly Diluted SARS-CoV-2 in Large-Volume Samples from Aquatic Environments. Anal Chem 2023; 95:2339-2347. [PMID: 36644822 DOI: 10.1021/acs.analchem.2c04224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Surveillance of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) in aquatic environments attracted attention due to its considerable impacts on human health and ecology, especially in countries with poor sanitation standards. Based on a strategy of one-stop extraction and in situ amplification, we developed an ultrasensitive method that uses a polyacrylamide derivative-modified filter disc (PAD-FD), in which highly diluted RNA can be efficiently concentrated onto the filter disc and directly used for amplification. A newly designed spin column with a cup-like filter base facilitated the non-contact transfer of the affinity filter disc from the column to a PCR tube. The limit of detection of the PAD-FD coupled with RT-qPCR is 10 copies/mL. Using 32 suspected SARS-CoV-2 samples, we demonstrated that the detection rate of our method (62.5%, 20/32) was triple the rate of the commercial kit (18.8%, 6/32). Using a PAD-FD, 56.3% (18/32) and 40.6% (13/32) of the 10-fold-dilution samples with river and tap water, respectively, were detected. Even when diluted 100-fold, 28.1% (9/32) and 37.5% (12/32) were still detected in river and tap water, respectively. We believe that the PAD-FD method offers an accurate testing tool for monitoring viral RNA in aquatic environments, contributing to the forewarning of the SARS-CoV-2 outbreak and the breaking of the transmission chain.
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Affiliation(s)
- Shanglin Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Bingqian Han
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Donggen Zhou
- Ningbo International Travel Healthcare Center (Ningbo Port Hospital), Ningbo, Zhejiang 315012, China
| | - Yin Gu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing 100094, China
| | - Bao Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Jianxin Ma
- Center for Disease Control and Prevention of Chaoyang District of Beijing, Beijing 100021, China
| | - Rongxin Fu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Xiao Qi
- Center for Disease Control and Prevention of Chaoyang District of Beijing, Beijing 100021, China
| | - Peng Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
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15
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Li S, Li B, Li X, Liu C, Qi X, Gu Y, Lin B, Sun L, Chen L, Han B, Guo J, Huang Y, Wu S, Ren L, Wang J, Bai J, Ma J, Yao M, Liu P. An ultrasensitive and rapid "sample-to-answer" microsystem for on-site monitoring of SARS-CoV-2 in aerosols using "in situ" tetra-primer recombinase polymerase amplification. Biosens Bioelectron 2023; 219:114816. [PMID: 36327559 PMCID: PMC9610180 DOI: 10.1016/j.bios.2022.114816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/22/2022] [Accepted: 10/12/2022] [Indexed: 11/09/2022]
Abstract
Airborne transmissibility of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has highlighted the urgent need for aerosol monitoring of SARS-CoV-2 to prevent sporadic outbreaks of COVID-19. The inadequate sensitivity of conventional methods and the lack of an on-site detection system limited the practical SARS-CoV-2 monitoring of aerosols in public spaces. We have developed a novel SARS-CoV-2-in-aerosol monitoring system (SIAMs) which consists of multiple portable cyclone samplers for collecting aerosols from several venues and a sensitive "sample-to-answer" microsystem employing an integrated cartridge for the analysis of SARS-CoV-2 in aerosols (iCASA) near the sampling site. By seamlessly combining viral RNA extraction based on a chitosan-modified quartz filter and "in situ" tetra-primer recombinase polymerase amplification (tpRPA) into an integrated microfluidic cartridge, iCASA can provide an ultra-high sensitivity of 20 copies/mL, which is nearly one order of magnitude greater than that of the commercial kit, and a short turnaround time of 25 min. By testing various clinical samples of nasopharyngeal swabs, saliva, and exhaled breath condensates obtained from 23 COVID-19 patients, we demonstrate that the positive rate of our system was 3.3 times higher than those of the conventional method. Combining with multiple portable cyclone samplers, we detected 52.2% (12/23) of the aerosol samples, six times higher than that of the commercial kit, collected from the isolation wards of COVID-19 patients, demonstrating the excellent performance of our system for SARS-CoV-2-in-aerosol monitoring. We envision the broad application of our microsystem in aerosol monitoring for fighting the COVID-19 pandemic.
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Affiliation(s)
- Shanglin Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Bao Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Xinyue Li
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China
| | - Ce Liu
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, 100084, China
| | - Xiao Qi
- Center for Disease Control and Prevention of Chaoyang District of Beijing, Beijing, 100021, China
| | - Yin Gu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Baobao Lin
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Lingli Sun
- Center for Disease Control and Prevention of Chaoyang District of Beijing, Beijing, 100021, China
| | - Lan Chen
- NHC Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China; Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Bingqian Han
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Jiazhen Guo
- Beijing Ditan Hospital, Capital Medical University, Beijing, 100015, China
| | - Yanyi Huang
- Biomedical Pioneering Innovation Center (BIOPIC), School of Life Sciences, Peking University, Beijing, 100871, China
| | - Shuangsheng Wu
- Institute for Infectious Disease and Endemic Disease Control, Beijing Center for Diseases Prevention and Control, Beijing, 100013, China
| | - Lili Ren
- NHC Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China; Key Laboratory of Respiratory Disease Pathogenomics, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Jianbin Wang
- School of Life Sciences, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Jingwei Bai
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, 100084, China.
| | - Jianxin Ma
- Center for Disease Control and Prevention of Chaoyang District of Beijing, Beijing, 100021, China.
| | - Maosheng Yao
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, China.
| | - Peng Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China.
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16
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Hou Y, Chen S, Zheng Y, Zheng X, Lin JM. Droplet-based digital PCR (ddPCR) and its applications. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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17
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Recent advances in integrated microfluidics for liquid biopsies and future directions. Biosens Bioelectron 2022; 217:114715. [PMID: 36174359 DOI: 10.1016/j.bios.2022.114715] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 07/20/2022] [Accepted: 09/09/2022] [Indexed: 12/12/2022]
Abstract
Liquid biopsies have piqued the interest of researchers as a new tumor diagnosis technique due to their unique benefits of non-invasiveness, sensitivity, and convenience. Recent advances in microfluidic technology have integrated separation, purification, and detection, allowing for high-throughput, high-sensitivity, and high-controllability detection of specific biomarkers in liquid biopsies. With the increasing demand for tumor detection and individualized treatment, new challenges are emerging for the ever-improving microfluidic technology. The state-of-the-art microfluidic design and fabrications have been reviewed in this manuscript, and how this technology can be applied to liquid biopsies from the point of view of the detection process. The primary discussion objectives are circulating tumor cells (CTCs), exosomes, and circulating nucleic acid (ctDNA). Furthermore, the challenges and future direction of microfluidic technology in detecting liquid biomarkers have been discussed.
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18
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Ren Y, Cao L, You M, Ji J, Gong Y, Ren H, Xu F, Guo H, Hu J, Li Z. “SMART” digital nucleic acid amplification technologies for lung cancer monitoring from early to advanced stages. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Chavez‐Pineda OG, Rodriguez‐Moncayo R, Cedillo‐Alcantar DF, Guevara‐Pantoja PE, Amador‐Hernandez JU, Garcia‐Cordero JL. Microfluidic systems for the analysis of blood‐derived molecular biomarkers. Electrophoresis 2022; 43:1667-1700. [DOI: 10.1002/elps.202200067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 06/18/2022] [Accepted: 06/22/2022] [Indexed: 12/19/2022]
Affiliation(s)
- Oriana G. Chavez‐Pineda
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
| | - Roberto Rodriguez‐Moncayo
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
| | - Diana F. Cedillo‐Alcantar
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
| | - Pablo E. Guevara‐Pantoja
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
| | - Josue U. Amador‐Hernandez
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
| | - Jose L. Garcia‐Cordero
- Laboratory of Microtechnologies Applied to Biomedicine (LMAB) Centro de Investigación y de Estudios Avanzados (Cinvestav) Monterrey Nuevo León Mexico
- Roche Institute for Translational Bioengineering (ITB) Roche Pharma Research and Early Development, Roche Innovation Center Basel Basel Switzerland
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20
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Nan K, Shi Y, Zhao T, Tang X, Zhu Y, Wang K, Bai J, Zhao W. Mixing and Flow Transition in an Optimized Electrokinetic Turbulent Micromixer. Anal Chem 2022; 94:12231-12239. [PMID: 35999194 DOI: 10.1021/acs.analchem.2c02960] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Micromixer is a key element in a lab on a chip for broad applications in the analysis and measurement of chemistry and engineering. Previous investigations reported that electrokinetic (EK) turbulence could be realized in a "Y" type micromixer with a cross-sectional dimension of 100 μm order. Although the ultrafast turbulent mixing can be generated at a bulk flow Reynolds number on the order of unity, the micromixer has not been optimized. In this investigation, we systematically investigated the influence of electric field intensity, AC frequency, electric conductivity ratio, and channel width at the entrance on the mixing effect and transition electric Rayleigh number in the "Y" type electrokinetic turbulent micromixer. It is found that the optimal mixing is realized in a 350 μm wide micromixer, under 100 kHz and 1.14 × 105 V/m AC electric field, with an electric conductivity ratio of 1:3000. Under these conditions, a degree of mixedness of 0.93 can be achieved at 84 μm from the entrance and 100 ms. A further investigation of the critical electric field and the critical electric Rayleigh number indicates that the most unstable condition of EK flow instability is inconsistent with that of the optimal mixing in EK turbulence. To predict the evolution of EK flow under high Raσ and guide the design of EK turbulent micromixers, it is necessary to apply a computational turbulence model instead of linear instability analysis.
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Affiliation(s)
- Keyi Nan
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
| | - Yanxia Shi
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
| | - Tianyun Zhao
- School of Automation, Northwestern Polytechnical University, Xi'an 710072, China
| | - Xiaowei Tang
- School of Automation, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yueqiang Zhu
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
| | - Kaige Wang
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
| | - Jintao Bai
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
| | - Wei Zhao
- State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi'an 710069, China
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21
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Yin J, Xia L, Zou Z, Zhuang J, Mu Y. A direct and multiplex digital PCR chip for EGFR mutation. Talanta 2022; 250:123725. [PMID: 35834974 DOI: 10.1016/j.talanta.2022.123725] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/24/2022] [Accepted: 07/04/2022] [Indexed: 12/25/2022]
Abstract
Digital PCR is a sensitive detection method, which has important applicability in liquid biopsy through the measurement of ctDNA. However, the current sample pre-processing of ctDNA and the multiplex detection capability of digital PCR have limitations. In view of the above two aspects, we developed a digital PCR chip with multiplex capability and established a direct amplification detection method without nucleic acid extraction. Through the design and processing of the chip, we established a self-priming multiplex digital PCR chip, which can detect 4 targets using single fluorescence. This method can be applied to most digital PCR chips. In addition, we used the plasma of lung cancer patients to establish a direct digital PCR detection method based on the chip, thereby avoiding disadvantages caused by the ctDNA extraction process. As a proof of concept, we prepared blood plasma samples with different concentration of ctDNA to prove the chip's multiplex detection capabilities and the results suggested that this multiplex digital PCR is accurate. Overall, our platform provides a novel and promising option for the detection of ctDNA.
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Affiliation(s)
- Juxin Yin
- School of Information and Electrical Engineering, Zhejiang University City College, Hangzhou, Zhejiang Province, 310015, China
| | - Liping Xia
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Zheyu Zou
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China
| | - Jianjian Zhuang
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, 310006, China.
| | - Ying Mu
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China.
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22
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Chang L, Li J, Zhang R. Liquid biopsy for early diagnosis of non-small cell lung carcinoma: recent research and detection technologies. Biochim Biophys Acta Rev Cancer 2022; 1877:188729. [DOI: 10.1016/j.bbcan.2022.188729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 03/14/2022] [Accepted: 04/10/2022] [Indexed: 02/07/2023]
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23
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Chai H, Ma X, Sun H, Miao P. DNA-MnO 2 Nanoconjugates Investigation and Application for Electrochemical Polymerase Chain Reaction. Anal Chem 2022; 94:4565-4569. [PMID: 35266700 DOI: 10.1021/acs.analchem.1c04844] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Manganese dioxide (MnO2) nanosheets are emerging for biomedical applications with excellent physical and chemical properties. Adsorption of DNA on MnO2 is important for biosensing, bioimaging, and therapy. Nevertheless, current fundamental understanding about the interaction is preliminary. Herein, UV-vis absorption spectra are applied to systematically explore the biointerfacial interaction between DNA and MnO2 with the factors of salt concentration, pH value, temperature, DNA concentration, and length. The results offer important fundamental insights into the investigation of DNA-MnO2 nanocomposites. Meanwhile, the optimal parameters are applied to construct a screen-printed electrode (SPE) modified with polymerase chain reaction (PCR) primer-decorated MnO2 nanosheets. An electrochemical PCR system is then developed for ultrasensitive detection of circulating tumor DNA (ctDNA). The limit of detection is determined to be 0.1 fM, and high selectivity is demonstrated. Combining the merits of SPE, DNA-MnO2 nanosheets, and an amplified reaction, this developed strategy shows great promise in bioanalysis, clinical disease diagnosis, and biomedicine applications.
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Affiliation(s)
- Hua Chai
- University of Science and Technology of China, Hefei 230026, China.,Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
| | - Xiaoyi Ma
- University of Science and Technology of China, Hefei 230026, China.,Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
| | - Haixuan Sun
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China.,Jinan Guokeyigong Science and Technology Development Co., Ltd., Jinan 250103, China
| | - Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China.,Jinan Guokeyigong Science and Technology Development Co., Ltd., Jinan 250103, China
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24
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Xu J, Pu Y, Lin R, Xiao S, Fu Y, Wang T. PEAC: An Ultrasensitive and Cost-Effective MRD Detection System in Non-small Cell Lung Cancer Using Plasma Specimen. Front Med (Lausanne) 2022; 9:822200. [PMID: 35308511 PMCID: PMC8928926 DOI: 10.3389/fmed.2022.822200] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/14/2022] [Indexed: 12/25/2022] Open
Abstract
Circulating tumor DNA (ctDNA), a tumor-derived fraction of cell-free DNA (cfDNA), has emerged as a promising marker in targeted therapy, immunotherapy, and minimal residual disease (MRD) monitoring in postsurgical patients. However, ctDNA level in early-stage cancers and postsurgical patients is very low, which posed many technical challenges to improve the detection rate and sensitivity, especially in the clinical practice of MRD detection. These challenges usually include insufficient DNA input amount, limit of detection (LOD), and high experimental costs. To resolve these challenges, we developed an ultrasensitive ctDNA MRD detection system in this study, namely PErsonalized Analysis of Cancer (PEAC), to simultaneously detect up to 37 mutations, which account for 70–80% non-small cell lung cancer (NSCLC) driver mutations from low plasma sample volume and enables LOD of 0.01% at a single-site level. We demonstrated the high performance achieved by PEAC on both cfDNA reference standards and clinical plasma samples from three NSCLC patient cohorts. For cfDNA reference standards, PEAC achieved a specificity of 99% and a sensitivity of 87% for the mutations at 0.01% allele fraction. In the second cohort, PEAC showed 100% concordance rate between ddPCR and Next-generation sequencing (NGS) among 29 samples. In the third cohort, 22 of 59 patients received EGFR TKI treatment. Among them, three in four patients identified low level actionable gene mutations only by PEAC had partial responses after targeted therapy, demonstrating high ctDNA detection ability of PEAC. Overall, the developed PEAC system can detect the majority of NSCLC driver mutations using 8–10 ml plasma samples, and has the advantages of high detection sensitivity and lower costs compared with the existing technologies such as ddPCR and NGS. These advantages make the PEAC system quite appropriate for ctDNA and MRD detection in early-stage NSCLC and postsurgical recurrence monitoring.
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Affiliation(s)
- Jianping Xu
- Department of Medical Oncology, Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Peking Union Medical College, Beijing, China
- *Correspondence: Jianping Xu
| | - Yue Pu
- Department of Research and Development, Hangzhou Repugene Technology Co., Ltd., Hangzhou, China
| | - Rui Lin
- Department of Research and Development, Hangzhou Repugene Technology Co., Ltd., Hangzhou, China
| | - Shanshan Xiao
- Department of Research and Development, Hangzhou Repugene Technology Co., Ltd., Hangzhou, China
| | - Yingxue Fu
- Department of Research and Development, Hangzhou Repugene Technology Co., Ltd., Hangzhou, China
| | - Tao Wang
- Department of Research and Development, Hangzhou Repugene Technology Co., Ltd., Hangzhou, China
- Tao Wang
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25
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Direct digital polymerase chain reaction chip for the detection of EGFR T790M mutation in plasma. Talanta 2022; 237:122977. [PMID: 34736699 DOI: 10.1016/j.talanta.2021.122977] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/11/2021] [Accepted: 10/15/2021] [Indexed: 01/02/2023]
Abstract
Nucleic acid extraction and purification before amplification is considered an essential step for nucleic acid amplification testing. However, this may cause losses or introduce errors that can lead to inaccurate results, especially when using samples with a small nucleic acid concentration. Here, we developed a direct digital chip that enabled us to detect nucleic acid without DNA extraction and purification. We have developed a self-priming liquid-dispensing digital PCR chip that does not require any external power. This is a robust anti-evaporation digital PCR chip with fast sampling and accurate quantification performance. Using this chip, we have established an on-chip direct nucleic acid amplification method that does not require nucleic acid extraction and purification for liquid biopsy samples. In order to verify the feasibility of this chip for clinical samples, we detected the EGFR T790M mutation from plasma. Results showed that EGFR T790M mutation could be detected with an accuracy of 100% and a sensitivity of 0.01%. Without nucleic acid extraction and purification, the assay avoids complex pre-processing, thus saving time and achieving precise quantification. We expect our direct digital PCR chip to have practical applications in diagnosis, screening, and research, especially in resource-deprived regions.
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26
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Abouali H, Hosseini SA, Purcell E, Nagrath S, Poudineh M. Recent Advances in Device Engineering and Computational Analysis for Characterization of Cell-Released Cancer Biomarkers. Cancers (Basel) 2022; 14:288. [PMID: 35053452 PMCID: PMC8774172 DOI: 10.3390/cancers14020288] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/21/2021] [Accepted: 01/04/2022] [Indexed: 02/04/2023] Open
Abstract
During cancer progression, tumors shed different biomarkers into the bloodstream, including circulating tumor cells (CTCs), extracellular vesicles (EVs), circulating cell-free DNA (cfDNA), and circulating tumor DNA (ctDNA). The analysis of these biomarkers in the blood, known as 'liquid biopsy' (LB), is a promising approach for early cancer detection and treatment monitoring, and more recently, as a means for cancer therapy. Previous reviews have discussed the role of CTCs and ctDNA in cancer progression; however, ctDNA and EVs are rapidly evolving with technological advancements and computational analysis and are the subject of enormous recent studies in cancer biomarkers. In this review, first, we introduce these cell-released cancer biomarkers and briefly discuss their clinical significance in cancer diagnosis and treatment monitoring. Second, we present conventional and novel approaches for the isolation, profiling, and characterization of these markers. We then investigate the mathematical and in silico models that are developed to investigate the function of ctDNA and EVs in cancer progression. We convey our views on what is needed to pave the way to translate the emerging technologies and models into the clinic and make the case that optimized next-generation techniques and models are needed to precisely evaluate the clinical relevance of these LB markers.
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Affiliation(s)
- Hesam Abouali
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada; (H.A.); (S.A.H.)
| | - Seied Ali Hosseini
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada; (H.A.); (S.A.H.)
| | - Emma Purcell
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109-2800, USA; (E.P.); (S.N.)
| | - Sunitha Nagrath
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109-2800, USA; (E.P.); (S.N.)
| | - Mahla Poudineh
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada; (H.A.); (S.A.H.)
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27
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Žvirblytė J, Mažutis L. Microfluidics for Cancer Biomarker Discovery, Research, and Clinical Application. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1379:499-524. [DOI: 10.1007/978-3-031-04039-9_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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28
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Ding X, Yin K, Li Z, Sfeir MM, Liu C. Sensitive quantitative detection of SARS-CoV-2 in clinical samples using digital warm-start CRISPR assay. Biosens Bioelectron 2021; 184:113218. [PMID: 33878591 PMCID: PMC8052607 DOI: 10.1016/j.bios.2021.113218] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/23/2021] [Accepted: 04/01/2021] [Indexed: 02/08/2023]
Abstract
Quantifying severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in clinical samples is crucial for early diagnosis and timely medical treatment of coronavirus disease 2019. Here, we describe a digital warm-start CRISPR (dWS-CRISPR) assay for sensitive quantitative detection of SARS-CoV-2 in clinical samples. The dWS-CRISPR assay is initiated at above 50 °C and overcomes undesired premature target amplification at room temperature, enabling accurate and reliable digital quantification of SARS-CoV-2. By targeting SARS-CoV-2's nucleoprotein gene, the dWS-CRISPR assay is able to detect down to 5 copies/μl SARS-CoV-2 RNA in the chip. It is clinically validated by quantitatively determining 32 clinical swab samples and three clinical saliva samples. Moreover, it has been demonstrated to directly detect SARS-CoV-2 in heat-treated saliva samples without RNA extraction. Thus, the dWS-CRISPR method, as a sensitive and reliable CRISPR assay, facilitates accurate SARS-CoV-2 detection toward digitized quantification.
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Affiliation(s)
- Xiong Ding
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Ave., Farmington, CT, 06030, United States
| | - Kun Yin
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Ave., Farmington, CT, 06030, United States
| | - Ziyue Li
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Ave., Farmington, CT, 06030, United States
| | - Maroun M Sfeir
- Department of Pathology and Laboratory Medicine, University of Connecticut Health Center, Farmington, CT, 06030, United States
| | - Changchun Liu
- Department of Biomedical Engineering, University of Connecticut Health Center, 263 Farmington Ave., Farmington, CT, 06030, United States.
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29
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Wu X, Pan J, Zhu X, Hong C, Hu A, Zhu C, Liu Y, Yang K, Zhu L. MS 2 device: smartphone-facilitated mobile nucleic acid analysis on microfluidic device. Analyst 2021; 146:3823-3833. [PMID: 34121097 DOI: 10.1039/d1an00367d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Mobile sensing based on the integration of microfluidic devices and smartphones, so-called MS2 technology, has enabled many applications over recent years and continues to stimulate growing interest in both research communities and industries. In particular, MS2 technology has been proven to be able to be applied to molecular diagnostic analysis and can be implemented for basic research and clinical testing. However, the currently reported MS2-based nucleic acid analysis system has limited use in practical applications, because it is not integrated with quantitative PCR, multiplex PCR, and isothermal amplification functions, and lacks temperature control, image acquisition and real-time processing units with excellent performance. To provide a more universal and powerful platform, we here developed a novel MS2 device by integrating a thermocycler, a multi fluorescence detection unit, a PCR chip, an isothermal chip, and a smartphone. The MS2 device was approximately 325 mm (L) × 200 mm (W) × 200 mm (H) in volume and only 5 kg in weight, and showed an average power consumption of about 38.4 W. The entire nucleic acid amplification and analysis could be controlled through a self-made smartphone App. The maximum heating and cooling rates were 5 °C s-1 and 4 °C s-1, respectively. The entire PCR could be completed within 65 min. The temperature uniformity was less than 0.1 °C. Besides, the temperature stability over time (30 min) was within ±0.04 °C. Four optical channels were integrated (FAM, HEX, TAMRA, and ROX) on the MS2 device. In particular, the PCR-based detection sensitivity reached 1 copy per μL, and the amplification efficiency was calculated to be 106.8%. Besides, the MS2 device also was compatible with multiplex PCR and isothermal amplification. In short, the MS2 device showed performance consistent with that of traditional commercial equipment. Thus, the MS2 device provides an easy and integrated experimental platform for molecular diagnostic-related research and potential medical diagnostic applications.
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Affiliation(s)
- Xiaosong Wu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China. and University of Science and Technology of China, No. 96, JinZhai Road Baohe District, Hefei 230026, PR China
| | - Jingyu Pan
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Xinchao Zhu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China. and University of Science and Technology of China, No. 96, JinZhai Road Baohe District, Hefei 230026, PR China
| | - Chenggang Hong
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Anzhong Hu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Cancan Zhu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Yong Liu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Ke Yang
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
| | - Ling Zhu
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, PR China.
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30
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Palaz F, Kalkan AK, Can Ö, Demir AN, Tozluyurt A, Özcan A, Ozsoz M. CRISPR-Cas13 System as a Promising and Versatile Tool for Cancer Diagnosis, Therapy, and Research. ACS Synth Biol 2021; 10:1245-1267. [PMID: 34037380 DOI: 10.1021/acssynbio.1c00107] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Over the past decades, significant progress has been made in targeted cancer therapy. In precision oncology, molecular profiling of cancer patients enables the use of targeted cancer therapeutics. However, current diagnostic methods for molecular analysis of cancer are costly and require sophisticated equipment. Moreover, targeted cancer therapeutics such as monoclonal antibodies and small-molecule drugs may cause off-target effects and they are available for only a minority of cancer driver proteins. Therefore, there is still a need for versatile, efficient, and precise tools for cancer diagnostics and targeted cancer treatment. In recent years, the CRISPR-based genome and transcriptome engineering toolbox has expanded rapidly. Particularly, the RNA-targeting CRISPR-Cas13 system has unique biochemical properties, making Cas13 a promising tool for cancer diagnosis, therapy, and research. Cas13-based diagnostic methods allow early detection and monitoring of cancer markers from liquid biopsy samples without the need for complex instrumentation. In addition, Cas13 can be used for targeted cancer therapy through degrading and manipulating cancer-associated transcripts with high efficiency and specificity. Moreover, Cas13-mediated programmable RNA manipulation tools offer invaluable opportunities for cancer research, identification of drug-resistance mechanisms, and discovery of novel therapeutic targets. Here, we review and discuss the current use and potential applications of the CRISPR-Cas13 system in cancer diagnosis, therapy, and research. Thus, researchers will gain a deep understanding of CRISPR-Cas13 technologies, which have the potential to be used as next-generation cancer diagnostics and therapeutics.
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Affiliation(s)
- Fahreddin Palaz
- Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey
| | | | - Özgür Can
- Department of Molecular Biology and Genetics, Koc University, Istanbul 34450, Turkey
| | - Ayça Nur Demir
- Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar 03100, Turkey
| | - Abdullah Tozluyurt
- Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey
| | - Ahsen Özcan
- Institute of Genetic Engineering and Biotechnology, TUBITAK Marmara Research Center, Kocaeli 41470, Turkey
| | - Mehmet Ozsoz
- Department of Biomedical Engineering, Near East University, 10 Mersin, Nicosia, Turkey
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31
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Van Nguyen H, Seo TS. High-throughput human DNA purification on a centrifugal microfluidic device for rapid forensic sex-typing. Biosens Bioelectron 2021; 181:113161. [PMID: 33765658 DOI: 10.1016/j.bios.2021.113161] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/24/2021] [Accepted: 03/08/2021] [Indexed: 02/06/2023]
Abstract
We introduce a novel centrifugal disc for purifying nucleic acid (NA) in a high-throughput manner to perform the human sex-typing of forensic samples. The centrifugal disc was designed with double-sided etched channels to fabricate 30 extraction units, which was capable of purifying 30 forensic samples in a single run. In order to introduce the washing solution (70% ethanol) and the elution buffer for the 30 extraction units in an automatic manner, we designed the aliquoting chambers that were connected with a zigzag delivery channel. The super-hydrophobic zigzag-shaped aliquot structure plays a crucial role in automatically dividing the washing solution and the elution buffer into 30 aliquots with one injection shot. The Whatman glass filter paper was used as an NA extraction matrix and sophisticated passive valves were equipped to avoid the overflowing of these buffers to the neighboring chamber during the injection. To operate the disc, we developed a portable workstation that consists of a buffer storage system, a buffer injection system, and a spinning unit. The entire process was automatically operated by the in-house portable workstation. Genomic DNA extraction using thirty forensic samples was completed in 10 min. Using the purified genomic DNA, we performed a loop-mediated isothermal amplification (LAMP) reaction for sex-typing by targeting the human alphoid repeat sequence of the Y-chromosome and the human 18S rRNA. The combination of the high-throughput centrifugal disc for NA extraction and the LAMP reaction enables us to complete the genetic sex-typing in 30 min.
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Affiliation(s)
- Hau Van Nguyen
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin, 17104, South Korea
| | - Tae Seok Seo
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin, 17104, South Korea.
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32
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Li Z, Bai Y, You M, Hu J, Yao C, Cao L, Xu F. Fully integrated microfluidic devices for qualitative, quantitative and digital nucleic acids testing at point of care. Biosens Bioelectron 2020; 177:112952. [PMID: 33453463 PMCID: PMC7774487 DOI: 10.1016/j.bios.2020.112952] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 02/06/2023]
Abstract
Benefiting from emerging miniaturized and equipment-free nucleic acid testing (NAT) technologies, fully integrated NAT devices at point of care (POC) with the capability of "sample-in-answer-out" are proceeding at a break-neck speed to eliminate complex operations and reduce the risk of contamination. Like the development of polymerase chain reaction (PCR) technology (the standard technique for NAT), the detection signal of fully integrated NAT devices has evolved from qualitative to quantitative and recently to digital readout, aiming at expanding their extensive applications through gradually improving detection sensitivity and accuracy. This review firstly introduces the existing commercial products, and then illustrates recent fully integrated microfluidic devices for NAT at POC from the aspect of detection signals (i.e., qualitative, quantitative and digital). Importantly, the key issues of existing commercial products and the main challenges between scientific research and product development are discussed. On this basis, we envision that the MARCHED (miniaturized, automatic, reagent-preloaded, commercializable, high-throughput, environment-independent and disposable) NAT devices are expected to be realized in the near future.
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Affiliation(s)
- Zedong Li
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Yuemeng Bai
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Minli You
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Jie Hu
- Suzhou DiYinAn Biotechnology Co., Ltd, Suzhou, 215010, PR China
| | - Chunyan Yao
- Department of Transfusion Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, PR China.
| | - Lei Cao
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China.
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