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Updated: Dec 27, 2025

Continuous Fluorescence-Based Endonuclease-Coupled DNA Methylation Assay to Screen for DNA Methyltransferase Inhibitors
Published on: August 5, 2022
Nanomaterial-based biosensors for DNA methyltransferase assay
Fei Ma1, Qian Zhang, Chun-Yang Zhang
1College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, China. cyzhang@sdnu.edu.cn.
This review highlights nanomaterial-based biosensors for detecting DNA methyltransferases (enzymes involved in epigenetic modifications and cancer). These advanced biosensors offer sensitive and selective methods crucial for research and clinical applications.
Area of Science:
- Biochemistry
- Nanotechnology
- Molecular Biology
Background:
- DNA methyltransferases (DNMTs) are key epigenetic enzymes regulating gene expression through DNA methylation.
- Dysregulation of DNMTs is linked to various diseases, notably cancers.
- DNMTs are important therapeutic targets, making their detection and inhibitor screening vital.
Purpose of the Study:
- To review recent advancements in nanomaterial-based biosensors for DNMT detection and activity assays.
- To discuss the strategies, characteristics, and applications of these biosensors.
- To identify future research directions and challenges in the field.
Main Methods:
- Utilizing nanomaterials with unique optical, chemical, electronic, and mechanical properties.
- Developing highly sensitive and selective biosensor platforms for DNMT detection.
- Summarizing existing literature on nanomaterial-based DNMT assays.
Main Results:
- Nanomaterial-based biosensors demonstrate high sensitivity and selectivity for DNMT detection.
- These biosensors offer versatile platforms for both fundamental research and clinical diagnostics.
- Various nanomaterials have been successfully employed in designing effective DNMT assays.
Conclusions:
- Nanomaterial-based biosensors represent a powerful tool for DNMT assay development.
- Continued innovation in nanomaterials will enhance DNMT detection capabilities.
- Addressing future challenges will further integrate these biosensors into biomedical research and clinical practice.

