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Updated: Jun 11, 2025

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Detection and Monitoring of Tumor Associated Circulating DNA in Patient Biofluids
Published on: June 8, 2019
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DNA nanotechnology for cell-free DNA marker for tumor detection: a comprehensive overview
Sara Sami Soliman1, Fathi E Abd El-Samie1, Saied M Abd El-Atty1
1Department of Electronics and Electrical Communications Engineering, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt.
Nucleosides, Nucleotides & Nucleic Acids
|October 2, 2024
Summary
DNA nanomachines offer a revolutionary approach to early cancer diagnostics using liquid biopsies. These advanced molecular tools provide sensitive and specific detection of cell-free tumor biomarkers, improving patient outcomes.
Area of Science:
- Biotechnology
- Molecular Diagnostics
- Nanotechnology
Background:
- Early cancer detection is crucial for improving patient survival rates and treatment efficacy.
- Liquid biopsies offer a minimally invasive method for detecting cancer biomarkers.
- DNA nanomachines represent a promising technology for sensitive and specific biomarker detection.
Purpose of the Study:
- To comprehensively review recent advancements in DNA nanotechnology for cancer diagnostics.
- To highlight the role of liquid biopsies and DNA nanomachines in early cancer detection.
- To discuss the advantages, challenges, and future directions of DNA nanomachines in oncology.
Main Methods:
- Review of current literature on DNA nanotechnology, liquid biopsies, and cancer biomarkers.
- Analysis of the design principles and detection mechanisms of DNA nanomachines.
- Discussion of strategies to overcome challenges such as low marker concentration and multiplex detection.
Main Results:
- DNA nanomachines demonstrate high sensitivity and specificity for detecting cell-free tumor biomarkers.
- Integration with microfluidics and nanomaterial amplification enhances detection capabilities.
- Despite challenges like multiplex detection, DNA nanomachines show significant potential for revolutionizing cancer diagnostics.
Conclusions:
- DNA nanomachines hold immense promise for early cancer detection and personalized treatment strategies.
- Continued research and development are essential to overcome existing limitations and fully realize their clinical potential.
- Advancements in this field could redefine tumor detection and treatment, leading to improved patient outcomes.

