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Published on: July 12, 2012
High-resolution quantitative methylation analysis of microRNA genes using Pyrosequencing™.
Ulrich Lehmann1, Cord Albat, Hans Kreipe
1Institute of Pathology, Medizinische Hochschule Hannover, Hannover, Germany. Lehmann.Ulrich@MH-Hannover.de
Methods in Molecular Biology (Clifton, N.J.)
|June 8, 2012
Summary
Aberrant DNA methylation epigenetically inactivates microRNA genes, promoting breast cancer metastasis. Pyrosequencing™ offers a quantitative, cost-effective method to analyze DNA methylation at single CpG sites for research.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- MicroRNA (miRNA) genes are critical in breast cancer metastasis.
- Epigenetic inactivation via aberrant DNA methylation is common in breast tumors.
- Understanding these mechanisms is key for cancer research.
Purpose of the Study:
- To outline DNA methylation analysis.
- To detail the Pyrosequencing™ procedure for methylation assessment.
- To provide guidelines for designing new Pyrosequencing™ assays.
Main Methods:
- Quantitative DNA methylation assessment using Pyrosequencing™.
- Single CpG site resolution for precise analysis.
- 96-well-plate format enabling cost-effective, medium-throughput studies.
Main Results:
- Pyrosequencing™ provides a detailed protocol for DNA methylation analysis.
- The method offers single CpG site resolution and a 96-well-plate format.
- Strengths and limitations of Pyrosequencing™ for methylation analysis are discussed.
Conclusions:
- Pyrosequencing™ is a valuable tool for quantitative DNA methylation analysis in research.
- This method facilitates the study of epigenetic alterations in diseases like breast cancer.
- The chapter serves as a guide for implementing and designing Pyrosequencing™ assays.
