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Related Experiment Video

Updated: May 30, 2026

DNA Methylation: Bisulphite Modification and Analysis
12:34

DNA Methylation: Bisulphite Modification and Analysis

Published on: October 21, 2011

On-chip DNA methylation analysis using osmium complexation.

Kaori Sugizaki1, Tadashi Umemoto, Akimitsu Okamoto

  • 1Nucleic Acid Chemistry Laboratory, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.

Journal of Nucleic Acids
|July 21, 2011
PubMed
Summary
This summary is machine-generated.

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This study introduces a novel chemical assay on a chip for detecting DNA methylation. The assay utilizes a specialized probe and osmium complexation for selective amplification of methylated DNA sequences.

Area of Science:

  • Chemical Biology
  • Molecular Biology
  • Biotechnology

Background:

  • Detecting DNA methylation, the addition of a methyl group to DNA, is crucial for understanding gene regulation and various diseases.
  • Existing methods for DNA methylation analysis can be complex and challenging to implement.

Purpose of the Study:

  • To develop a novel, efficient chemical assay for detecting DNA methylation.
  • To create a chip-based platform for simplified DNA methylation typing.

Main Methods:

  • A methylation-detection probe was immobilized within microwells.
  • Osmium complexation was employed to link the probe with methylated DNA.
  • Selective amplification of methylated DNA sequences was achieved.

Main Results:

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Related Experiment Videos

Last Updated: May 30, 2026

DNA Methylation: Bisulphite Modification and Analysis
12:34

DNA Methylation: Bisulphite Modification and Analysis

Published on: October 21, 2011

Single Oocyte Bisulfite Mutagenesis
13:18

Single Oocyte Bisulfite Mutagenesis

Published on: June 27, 2012

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

Targeted DNA Methylation Analysis by Next-generation Sequencing

Published on: February 24, 2015

  • The developed assay successfully detected the presence or absence of methyl groups on DNA.
  • The chip-based format facilitated a streamlined methylation typing process.
  • Osmium-mediated crosslinking enabled selective amplification, enhancing detection accuracy.

Conclusions:

  • A new chemical assay on a chip has been successfully developed for DNA methylation detection.
  • This method offers a promising approach for accurate and efficient DNA methylation analysis.
  • The assay has potential applications in research and diagnostics involving epigenetic modifications.