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DNA Isolation01:24

DNA Isolation

DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...

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Related Experiment Video

Updated: Jun 24, 2026

DNA Methylation: Bisulphite Modification and Analysis
12:34

DNA Methylation: Bisulphite Modification and Analysis

Published on: October 21, 2011

Methylation-specific PCR.

Bradford Coffee1

  • 1Emory University School of Medicine, Atlanta, Georgia, USA.

Current Protocols in Human Genetics
|April 11, 2009
PubMed
Summary
This summary is machine-generated.

DNA methylation, a key epigenetic process, represses gene expression. Methylation-specific PCR (MSP) offers a fast, affordable method to study DNA methylation in health and disease.

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Last Updated: Jun 24, 2026

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

Published on: October 21, 2011

Methylated DNA Immunoprecipitation
21:24

Methylated DNA Immunoprecipitation

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Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain
13:11

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

Published on: July 12, 2012

Area of Science:

  • Epigenetics and Molecular Biology
  • Genomics
  • Biochemistry

Background:

  • DNA methylation is a crucial epigenetic modification regulating gene expression by forming condensed chromatin.
  • It functions alongside histone modifications (e.g., H3K9me, H3K27me) to silence genes.
  • Aberrant DNA methylation patterns are implicated in various diseases, including cancers and genetic disorders.

Purpose of the Study:

  • To introduce Methylation-specific PCR (MSP) as a method for assessing DNA methylation status.
  • To highlight MSP's utility in studying normal epigenetic processes and disease-associated aberrant methylation.
  • To emphasize MSP's efficiency and cost-effectiveness.

Main Methods:

  • Methylation-specific PCR (MSP) is employed to determine DNA methylation status.
  • MSP analyzes CpG methylation at specific genomic loci, such as imprinted genes and the inactive X chromosome.
  • The method is applied to investigate aberrant DNA methylation in diseases like fragile X syndrome and various cancers.

Main Results:

  • MSP provides a rapid and inexpensive means to assess DNA methylation.
  • The technique successfully evaluates methylation at imprinted genes and the inactive X chromosome.
  • MSP is effective in identifying aberrant DNA methylation patterns in disease states.

Conclusions:

  • DNA methylation is a significant epigenetic marker for gene repression.
  • Methylation-specific PCR (MSP) is a powerful, accessible tool for epigenetic research.
  • MSP facilitates the investigation of DNA methylation in both normal biological processes and disease pathologies.