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Related Experiment Videos

Quantitative methylation analysis using methylation-sensitive single-nucleotide primer extension (Ms-SNuPE).

Mark L Gonzalgo1, Peter A Jones

  • 1Department of Biochemistry and Molecular Biology, Urologic Cancer Research Laboratory, USC/Norris Comprehensive Cancer Center, Keck School of Medicine, Los Angeles, CA 90089-9181, USA.

Methods (San Diego, Calif.)
|July 4, 2002
PubMed
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Methylation-sensitive single-nucleotide primer extension (Ms-SNuPE) offers a rapid method for quantifying DNA methylation at multiple CpG sites. This technique is adaptable for high-throughput analysis, advancing biological investigations.

Area of Science:

  • Molecular Biology
  • Epigenetics
  • Genomics

Background:

  • Cytosine methylation is a crucial epigenetic modification regulating gene expression.
  • Accurate quantitation of methylation patterns is essential for understanding various biological processes and diseases.
  • Existing methods for methylation analysis can be time-consuming or lack throughput.

Purpose of the Study:

  • To introduce and validate Methylation-sensitive single-nucleotide primer extension (Ms-SNuPE) as a rapid and simultaneous method for quantifying DNA methylation.
  • To demonstrate the adaptability of Ms-SNuPE for high-throughput methylation analysis.
  • To highlight Ms-SNuPE as a novel approach for cytosine methylation quantitation in diverse biological investigations.

Main Methods:

  • Genomic DNA is treated with sodium bisulfite to convert unmethylated cytosines to uracil.

Related Experiment Videos

  • Strand-specific polymerase chain reaction (PCR) amplifies the modified DNA.
  • Single-nucleotide primer extension (SNuPE) is performed using primers designed upstream of CpG sites for quantitative analysis.

    • Main Results:

    • Ms-SNuPE enables simultaneous quantitation of methylation degree at multiple CpG sites.
    • The technique provides a suitable DNA template for quantitative methylation analysis post-bisulfite conversion and PCR.
    • Ms-SNuPE is adaptable for high-throughput methylation analysis.

    Conclusions:

    • Ms-SNuPE is a novel and efficient technique for the rapid quantitation of cytosine methylation.
    • The method's adaptability for high-throughput analysis makes it valuable for a wide range of biological studies.
    • Ms-SNuPE advances the field of epigenetics by providing a powerful tool for methylation profiling.