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Ma T, Zhang Q, Zhang S, Yue D, Wang F, Ren Y, Zhang H, Wang Y, Wu Y, Liu LE, Yu F. Research progress of human key DNA and RNA methylation-related enzymes assay. Talanta 2024; 273:125872. [PMID: 38471421 DOI: 10.1016/j.talanta.2024.125872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/18/2024] [Accepted: 03/03/2024] [Indexed: 03/14/2024]
Abstract
Gene methylation-related enzymes (GMREs) are disfunction and aberrantly expressed in a variety of cancers, such as lung, gastric, and pancreatic cancers and have important implications for human health. Therefore,it is critical for early diagnosis and therapy of tumor to develop strategies that allow rapid and sensitive quantitative and qualitative detection of GMREs. With the development of modern analytical techniques and the application of various biosensors, there are numerous methods have been developed for analysis of GMREs. Therefore, this paper provides a systematic review of the strategies for level and activity assay of various GMREs including methyltransferases and demethylase. The detection methods mainly involve immunohistochemistry, colorimetry, fluorescence, chemiluminescence, electrochemistry, etc. Then, this review also addresses the coordinated role of various detection probes, novel nanomaterials, and signal amplification methods. The aim is to highlight potential challenges in the present field, to expand the analytical application of GMREs detection strategies, and to meet the urgent need for future disease diagnosis and intervention.
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Affiliation(s)
- Tiantian Ma
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Qiongwen Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Shuying Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Dan Yue
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fanting Wang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yujie Ren
- School of Information Management, Zhengzhou University, Zhengzhou 450001, China
| | - Hengmiao Zhang
- School of Information Management, Zhengzhou University, Zhengzhou 450001, China
| | - Yinuo Wang
- Zhengzhou Foreign Language School, Zhengzhou 450001, China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Li-E Liu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fei Yu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China.
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Li N, Zhang L, Liu H, Xu Q, Ma F, Zhang CY. Label-free and sensitive detection of N6-methyladenosine demethylase activity in crude cell extracts and clinical cancer tissues based on demethylation-triggered exponential signal amplification. Anal Chim Acta 2023; 1278:341705. [PMID: 37709449 DOI: 10.1016/j.aca.2023.341705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/31/2023] [Accepted: 08/09/2023] [Indexed: 09/16/2023]
Abstract
The m6A demethylase catalyzes the removal of m6A modification to establish proper RNA methylation patterns, and it has emerged as a promising disease biomarker and a therapeutic target. The reported m6A demethylase assays often suffer from tedious producers, expensive reagents, radioactive risk, limited sensitivity, and poor specificity. Herein, we develop a simple, selective, label-free, and highly sensitive fluorescent biosensor for m6A demethylase assay based on demethylation-triggered exponential signal amplification. In this biosensor, m6A demethylase-catalyzed demethylation can protect the circular DNA from the digestion by DpnI, subsequently triggering hyperbranched rolling circle amplification to achieve exponential signal amplification for producing abundant ssDNA and dsDNA products. The amplified DNA signal can be sensitively and simply detected by SYBR Gold in a label-free manner. This biosensor avoids any antibodies, washing/separation procedures, and fluorophore-/quencher-labeled probes, great simplifying the assay procedures and reducing the assay cost. Moreover, this biosensor achieves good specificity and excellent sensitivity with a detection limit of 1.2 fg/μL, which is superior to conventional ELISA (36.3 pg/μL). Especially, this biosensor enables direct monitoring of m6A demethylase activity in crude cell extracts with high accuracy, and it can be further applied for the screening of m6A demethylase inhibitor, measurement of m6A demethylase activity in different cell lines, and discrimination of m6A demethylase level in clinical cancer and healthy tissues, providing a facile and robust platform for RNA methylation-related biomedical research, disease diagnosis, and drug discovery.
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Affiliation(s)
- Na Li
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Lingfei Zhang
- Center for Disease Control and Prevention of Weihai City, Weihai, 264200, China
| | - Hao Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Qinfeng Xu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Fei Ma
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
| | - Chun-Yang Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
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Zhong X, Fu Q, Liu X, Shi P. Real-time tracking of the intracellular delivery of a 2D nanosystem using a progressively activatable fluorescence platform for cancer diagnosis. Chem Commun (Camb) 2023; 59:10161-10164. [PMID: 37530566 DOI: 10.1039/d3cc02659k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
In this work, a smart nanoplatform responding to multiple biomarkers has been developed for the real-time tracking of the intracellular delivery of a 2D nanosystem. Our work provides a promising avenue for developing an optimized imaging nanoplatform for site-specific imaging and real-time tracking of the delivery process.
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Affiliation(s)
- Xianghua Zhong
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China.
| | - Qin Fu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China.
| | - Xinchao Liu
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China.
| | - Peng Shi
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China.
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Li WX, Jiang S, Liu WJ, Zhang CY. RNA demethylation-driven functional supramolecular structure for label-free detection of m 6A modification eraser FTO in human breast tissues. Anal Chim Acta 2023; 1260:341208. [PMID: 37121657 DOI: 10.1016/j.aca.2023.341208] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/07/2023] [Accepted: 04/10/2023] [Indexed: 05/02/2023]
Abstract
Fat mass and obesity-associated enzyme (FTO) can dynamically regulate N6-methyladenosine modification, and it is engaged in various cellular functions. Herein, we demonstrate the RNA demethylation-driven functional supramolecular structure for label-free detection of m6A modification eraser FTO in human breast tissues. The presence of FTO catalyzes the removal of methyl group in m6A, causing the cleavage of demethylated DNA by DpnII and the release of DNA primer. The resultant DNA primer hybridizes with circular template to initiate isothermal rolling circle amplification (RCA), producing abundant long ssDNA polymers with repeating sequences of G-quadruplex. Subsequently, N-methylmesoporphyrin IX (NMM) is selectively embedded into G-quadruplex DNAzyme to form a supramolecular NMM-G-quadruplex structure for the generation of an amplified fluorescence signal. Benefiting from high selectivity of DpnII toward demethylated DNA, high amplification efficiency of RCA, and high signal-to-noise ratio of G-quadruplex-NMM system, this assay can sensitively detect FTO with a limit of detection (LOD) of 3.10 × 10-16 M, screen RNA demethylase inhibitors, quantify FTO activity in cancer cells, and discriminate FTO activity between breast cancer patient tissues and healthy person tissues. Importantly, this assay can be homogeneously conducted in a label-free manner, with great potential in RNA demethylases-related pathogenesis research and clinical diagnostics.
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Affiliation(s)
- Wen-Xuan Li
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Su Jiang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Wen-Jing Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Chun-Yang Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China; College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China.
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Zhao NN, Zhang X, Zou X, Zhang Y, Zhang CY. Controllable assembly of dendritic DNA nanostructures for ultrasensitive detection of METTL3-METTL14 m 6A methyltransferase activity in cancer cells and human breast tissues. Biosens Bioelectron 2023; 228:115217. [PMID: 36924687 DOI: 10.1016/j.bios.2023.115217] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/12/2023] [Accepted: 03/07/2023] [Indexed: 03/13/2023]
Abstract
N6-Methyladenosine (m6A) is a reversible chemical modification in eukaryotic messenger RNAs and long noncoding RNAs. The aberrant expression of RNA methyltransferase METTL3-METTL14 complex may change the m6A methylation level and cause multiple diseases including cancers. The conventional METTL3-METTL14 assays commonly suffer from time-consuming procedures and poor sensitivity. Herein, we develop a controllable amplification machinery based on MazF-activated terminal deoxynucleotidyl transferase (TdT)-assisted dendritic DNA structure assembly for ultrasensitive detection of METTL3-METTL14 complex activity in cancer cells and breast tissues. The presence of METTL3-METTL14 complex catalyzes the formation of m6A in detection probe, effectively preventing the cleavage of methylated detection probes by MazF. The methylated detection probes with 3'-OH termini can function as the primers for template-free polymerization catalyzed by TdT on magnetic beads (MBs), producing long chains of poly-thymidine (poly-T) sequences. Then poly-T sequences hybridize with signal probes that contain poly-adenine (poly-A) sequence, inducing TdT-mediated polymerization and the subsequent hybridization with more poly-A signal probes for generating dendritic DNA nanostructures assembled on MBs. After magnetic separation and elevated temperature treatment, the signal probes are disassembled from MBs to generate a high fluorescence signal. This method possesses excellent specificity and high sensitivity with a limit of detection (LOD) of 2.61 × 10-15 M, and it can accurately quantify cellular METTL3-METTL14 complex at single-cell level. Furthermore, it can screen inhibitors, evaluate kinetic parameters, and discriminate breast cancer tissues from normal tissues.
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Affiliation(s)
- Ning-Ning Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Xinyi Zhang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, 528458, China
| | - Xiaoran Zou
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Yan Zhang
- College of Chemistry and Chemical Engineering, Qilu Normal University, Jinan, 250200, China.
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China.
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Wu J, Lin H, Moss DJ, Loh KP, Jia B. Graphene oxide for photonics, electronics and optoelectronics. Nat Rev Chem 2023; 7:162-183. [PMID: 37117900 DOI: 10.1038/s41570-022-00458-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2022] [Indexed: 01/19/2023]
Abstract
Graphene oxide (GO) was initially developed to emulate graphene, but it was soon recognized as a functional material in its own right, addressing an application space that is not accessible to graphene and other carbon materials. Over the past decade, research on GO has made tremendous advances in material synthesis and property tailoring. These, in turn, have led to rapid progress in GO-based photonics, electronics and optoelectronics, paving the way for technological breakthroughs with exceptional performance. In this Review, we provide an overview of the optical, electrical and optoelectronic properties of GO and reduced GO on the basis of their chemical structures and fabrication approaches, together with their applications in key technologies such as solar energy harvesting, energy storage, medical diagnosis, image display and optical communications. We also discuss the challenges of this field, together with exciting opportunities for future technological advances.
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Han X, Li Y, Wang ZY, Liu LZ, Qiu JG, Liu BJ, Zhang CY. Label-free and sensitive detection of RNA demethylase FTO with primer generation rolling circle amplification. Chem Commun (Camb) 2022; 58:1565-1568. [PMID: 35014995 DOI: 10.1039/d1cc06493b] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We develop for the first time a label-free fluorescent method for sensitive detection of fat mass and obesity-associated protein (FTO) activity using MazF-mediated primer generation rolling circle amplification. This method is very simple with ultrahigh sensitivity and good specificity, and it can detect FTO activity at the single-cell level. Moreover, this method can be applied for the measurement of kinetic parameters and the screening of FTO inhibitors.
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Affiliation(s)
- Xiaoxia Han
- BGI College & Henan Institute of Medical and Pharmaceutical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450000, China.
| | - Yueying Li
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Zi-Yue Wang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
| | - Ling-Zhi Liu
- Department of Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Jian-Ge Qiu
- BGI College & Henan Institute of Medical and Pharmaceutical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450000, China.
| | - Bing-Jie Liu
- BGI College & Henan Institute of Medical and Pharmaceutical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450000, China.
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China.
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Zhou LL, Xu H, Huang Y, Yang CG. Targeting the RNA demethylase FTO for cancer therapy. RSC Chem Biol 2021; 2:1352-1369. [PMID: 34704042 PMCID: PMC8496078 DOI: 10.1039/d1cb00075f] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 07/26/2021] [Indexed: 01/02/2023] Open
Abstract
N 6-Methyladenosine (m6A) is the most prevalent internal modification on mRNA and represents a new layer of gene expression in eukaryotes. The field of m6A-encoded epitranscriptomics was rejuvenated with the discovery of fat mass and obesity-associated protein (FTO) as the first m6A demethylase responsible for RNA modification in cells. Increasing evidence has revealed that FTO is significantly involved in physiological processes, and its dysregulation is implicated in various human diseases. Considering this functional significance, developing small-molecule modulators of the FTO protein represents a novel direction for biology research. However, such modulators remain in the early stages of development. Here, our review mainly focuses on the progress of FTO inhibitor development to date. We summarize screening methods used to identify FTO modulators, techniques used to assess the biological effects of these modulators, strategies used to achieve selective inhibition of FTO rather than its homologues, and the results of investigations of FTO modulator modes of action and anticancer efficacy. Thus, this review aims to facilitate novel chemical entity discovery, probe FTO biology, and promote the validation of FTO as a clinical drug target for cancer treatment.
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Affiliation(s)
- Lin-Lin Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of the Chinese Academy of Sciences Beijing 100049 China
| | - Hongjiao Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of the Chinese Academy of Sciences Beijing 100049 China
| | - Yue Huang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Cai-Guang Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
- University of the Chinese Academy of Sciences Beijing 100049 China
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
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Yim Y, Shin H, Ahn SM, Min DH. Graphene oxide-based fluorescent biosensors and their biomedical applications in diagnosis and drug discovery. Chem Commun (Camb) 2021; 57:9820-9833. [PMID: 34494621 DOI: 10.1039/d1cc02157e] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Graphene oxide (GO), an oxidized derivative of graphene, has received much attention for developing novel fluorescent bioanalytic platforms due to its remarkable optical properties and biocompatibility. The reliable performance and robustness of GO-based biosensors have enabled various applications in the biomedical field including diagnosis and drug discovery. Here, recent advances in the development of GO-based fluorescent biosensors are overviewed, particularly nucleic acid detection and enzyme activity assay. In addition, practical applications in biomarker detection and high-throughput screening are also examined. Lastly, basic design principles and remaining challenges of these types of biosensors are discussed for further progress.
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Affiliation(s)
- Yeajee Yim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Hojeong Shin
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Seong Min Ahn
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Dal-Hee Min
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea. .,Department of Biological Sciences, Seoul National University, Seoul 08826, Republic of Korea.,Institute of Biotherapeutics Convergence Technology, Lemonex Inc., Seoul 06683, Republic of Korea
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