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Related Concept Videos

DNA Microarrays02:34

DNA Microarrays

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: May 21, 2026

Targeted DNA Methylation Analysis by Next-generation Sequencing
08:38

Targeted DNA Methylation Analysis by Next-generation Sequencing

Published on: February 24, 2015

DNA methylation screening and analysis.

Karilyn E Sant1, Muna S Nahar, Dana C Dolinoy

  • 1Department of Environmental Health Sciences, University of Michigan, Ann Arbor, MI, USA.

Methods in Molecular Biology (Clifton, N.J.)
|June 7, 2012
PubMed
Summary
This summary is machine-generated.

DNA methylation, a key epigenetic regulator, is crucial for development and disease. This review details methods for studying DNA methylation, highlighting their strengths and weaknesses.

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Area of Science:

  • Epigenetics
  • Developmental Biology
  • Molecular Biology

Background:

  • DNA methylation is a vital epigenetic mechanism regulating gene expression throughout life.
  • It plays a critical role in cellular differentiation and cell cycle control.
  • Environmental factors and diet can alter DNA methylation, particularly during developmental stages, influencing disease risk.

Purpose of the Study:

  • To review and compare various molecular methods for assessing DNA methylation.
  • To discuss the strengths and limitations of different methylation assay techniques.

Main Methods:

  • Global methylation assays measure overall methylation levels.
  • Gene-specific assays target particular DNA regions.
  • Epigenome-wide association studies (EWAS) provide comprehensive methylation profiling.

Main Results:

  • Each method offers unique insights into DNA methylation patterns.
  • Global assays are suitable for broad overviews.
  • Gene-specific and epigenome-wide methods allow for detailed analysis of regulatory roles.

Conclusions:

  • Understanding DNA methylation's role in development and disease is crucial.
  • The choice of molecular method depends on the research question and desired resolution.
  • Accurate assessment of DNA methylation is essential for advancing developmental and disease research.