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Related Concept Videos

DNA Microarrays02:34

DNA Microarrays

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Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
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Related Experiment Video

Updated: Oct 10, 2025

Targeted DNA Methylation Analysis by Next-generation Sequencing
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Published on: February 24, 2015

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Detection of MGMT methylation status using a Lab-on-Chip compatible isothermal amplification method.

Myesha Jahin, Benji Fenech-Salerno, Nicolas Moser

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 11, 2021
    PubMed
    Summary

    This study developed a novel Lab-on-Chip method for detecting DNA methylation in the MGMT gene, crucial for glioblastoma treatment. This cost-effective approach offers rapid, precise results for personalized cancer care.

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    DNA Methylation: Bisulphite Modification and Analysis
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    DNA Methylation: Bisulphite Modification and Analysis

    Published on: October 21, 2011

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    Area of Science:

    • Biotechnology
    • Molecular Diagnostics
    • Oncology

    Background:

    • Rising cancer incidence demands efficient diagnostic tools.
    • O-6-methylguanine-DNA methyltransferase (MGMT) is a key biomarker for glioblastoma (GBM) treatment response.
    • Current methods for DNA methylation analysis can be time-consuming and expensive.

    Purpose of the Study:

    • To develop a novel, Lab-on-Chip (LOC) compatible method for detecting and quantifying MGMT DNA methylation.
    • To establish a cost-effective, rapid, and precise diagnostic tool for personalized glioblastoma therapy.
    • To demonstrate the clinical translatability of a new epigenetic biomarker detection platform.

    Main Methods:

    • Utilized a Lab-on-Chip compatible isothermal amplification method (LAMP) for sequence-specific detection of methylated MGMT DNA.
    • Assessed the specificity and sensitivity of the LAMP method against established gold-standard techniques (MethyLight, JumpStart).
    • Evaluated the method's performance using clinically relevant concentrations of bisulfite-converted DNA.

    Main Results:

    • Developed specific LAMP primer combinations targeting the methylated MGMT region.
    • Demonstrated sensitivity capable of detecting clinically relevant DNA concentrations (0.2 - 20 ng/µL).
    • Successfully showed DNA methylation detection on a Lab-on-Chip platform for the first time.

    Conclusions:

    • The novel LOC-LAMP method provides a specific and sensitive approach for MGMT DNA methylation detection.
    • This platform offers a foundation for developing point-of-care epigenetic biomarker analysis.
    • The technology has the potential to improve personalized glioblastoma treatment strategies.