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Updated: May 29, 2026

DNA Methylation: Bisulphite Modification and Analysis

DNA Methylation: Bisulphite Modification and Analysis

Published on: October 21, 2011

Methylation-specific PCR.

Ja-Lok Ku¹, You-Kyung Jeon, Jae-Gahb Park

¹Laboratory of Cell Biology, Korean Cell Line Bank, Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea. kujalok@snu.ac.kr

Methods in Molecular Biology (Clifton, N.J.)

|September 14, 2011

Summary

This summary is machine-generated.

DNA methylation in CpG islands regulates gene expression. Aberrant methylation, particularly in tumor suppressor genes during cancer, causes gene silencing. Methylation-specific PCR (MSP) rapidly assesses this critical DNA methylation status.

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Last Updated: May 29, 2026

DNA Methylation: Bisulphite Modification and Analysis

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Published on: October 21, 2011

Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain

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Methylated DNA Immunoprecipitation

Methylated DNA Immunoprecipitation

Published on: January 2, 2009

Area of Science:

Molecular Biology
Epigenetics
Genomics

Background:

DNA methylation in CpG islands is crucial for regulating gene expression in mammals.
Aberrant DNA methylation, especially in tumor suppressor genes, is a hallmark of cancer, leading to gene silencing.
Understanding DNA methylation patterns is vital for cancer research and diagnostics.

Purpose of the Study:

To describe Methylation-specific PCR (MSP) as a method for analyzing DNA methylation patterns.
To highlight the role of aberrant promoter methylation in cancer-related gene silencing.

Main Methods:

DNA modification followed by Polymerase Chain Reaction (PCR).
Utilizing two primer pairs specific for detecting methylated and unmethylated DNA.
Analysis of DNA methylation patterns within CpG islands.

Main Results:

Methylation-specific PCR (MSP) enables the detection of methylated and unmethylated DNA.
MSP provides a rapid assessment of the methylation status in CpG islands.
The method is applicable to analyzing aberrant methylation in cancer.

Conclusions:

Methylation-specific PCR (MSP) is an effective technique for evaluating DNA methylation status in CpG islands.
The method aids in identifying aberrant methylation patterns associated with gene silencing, particularly in cancer.
MSP offers a rapid and valuable tool for epigenetic research and potential diagnostic applications.