Published online 2 December 2004
Nucleic Acids Research, Vol. 32 No. 21 © Oxford University Press 2004; all rights reserved
Rapid analysis of CpG methylation patterns using RNase T1 cleavage and MALDI-TOF
Epigenomics AG, Science Department, Kleine Präsidentenstraße 1, D-10178 Berlin, Germany
* To whom correspondence should be addressed. Tel: +49 30 24345100; Fax: +49 30 24345299; Email: schuster{at}epigenomics.com
The authors wish to be known that, in their opinion, the first two authors should be regarded as joint First Authors
Received July 2, 2004; Revised October 11, 2004; Accepted November 4, 2004
Here, we introduce a method for the fast and accurate analysis of DNA methylation based on bisulfite-treated DNA. The target region is PCR amplified using a T7 RNA polymerase promoter-tagged primer. A subsequent in vitro transcription leads to a transcript which contains guanosine residues only at sites that contained methylated cytosines before bisulfite treatment. In a single tube reaction using guanosine-specific cleavage by RNase T1, a specific pattern of RNA fragments is formed. This pattern directly represents the methylation state of the sample DNA and is analyzed using matrix-assisted laser desorption ionization time-of-flight technology. This method was successfully applied to the analysis of artificially methylated and unmethylated DNA, mixtures thereof and colon DNA samples. The applicability for the analysis of both PCR products and cloned PCR products is demonstrated. The observed methylation patterns were confirmed by bisulfite sequencing.
![]()
CiteULike
Connotea
Del.icio.us What's this?
This article has been cited by other articles:
![]() |
D. Zilberman and S. Henikoff Genome-wide analysis of DNA methylation patterns Development, November 15, 2007; 134(22): 3959 - 3965. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. W. Coolen, A. L. Statham, M. Gardiner-Garden, and S. J. Clark Genomic profiling of CpG methylation and allelic specificity using quantitative high-throughput mass spectrometry: critical evaluation and improvements Nucleic Acids Res., September 25, 2007; 35(18): e119 - e119. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. Pfister, C. Schlaeger, F. Mendrzyk, A. Wittmann, A. Benner, A. Kulozik, W. Scheurlen, B. Radlwimmer, and P. Lichter Array-based profiling of reference-independent methylation status (aPRIMES) identifies frequent promoter methylation and consecutive downregulation of ZIC2 in pediatric medulloblastoma Nucleic Acids Res., April 1, 2007; 35(7): e51 - e51. [Abstract] [Full Text] [PDF] |
||||
![]() |
K. Brakensiek, L. U. Wingen, F. Langer, H. Kreipe, and U. Lehmann Quantitative High-Resolution CpG Island Mapping with PyrosequencingTM Reveals Disease-Specific Methylation Patterns of the CDKN2B Gene in Myelodysplastic Syndrome and Myeloid Leukemia Clin. Chem., January 1, 2007; 53(1): 17 - 23. [Abstract] [Full Text] [PDF] |
||||
![]() |
Y. Fu, S. Xu, C. Pan, M. Ye, H. Zou, and B. Guo A matrix of 3,4-diaminobenzophenone for the analysis of oligonucleotides by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry Nucleic Acids Res., August 2, 2006; 34(13): e94 - e94. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. Procter, L.-S. Chou, W. Tang, M. Jama, and R. Mao Molecular Diagnosis of Prader-Willi and Angelman Syndromes by Methylation-Specific Melting Analysis and Methylation-Specific Multiplex Ligation-Dependent Probe Amplification Clin. Chem., July 1, 2006; 52(7): 1276 - 1283. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. Ogino, T. Kawasaki, M. Brahmandam, M. Cantor, G. J. Kirkner, D. Spiegelman, G. M. Makrigiorgos, D. J. Weisenberger, P. W. Laird, M. Loda, et al. Precision and Performance Characteristics of Bisulfite Conversion and Real-Time PCR (MethyLight) for Quantitative DNA Methylation Analysis J. Mol. Diagn., May 1, 2006; 8(2): 209 - 217. [Abstract] [Full Text] [PDF] |
||||
![]() |
P. Schatz, J. Distler, K. Berlin, and M. Schuster Novel method for high throughput DNA methylation marker evaluation using PNA-probe library hybridization and MALDI-TOF detection. Nucleic Acids Res., January 1, 2006; 34(8): e59 - e59. [Abstract] [Full Text] [PDF] |
||||
![]() |
I. Yang, I. Y. Park, S.-M. Jang, L. H. Shi, H.-K. Ku, and S.-R. Park Rapid quantification of DNA methylation through dNMP analysis following bisulfite-PCR. Nucleic Acids Res., January 1, 2006; 34(8): e61 - e61. [Abstract] [Full Text] [PDF] |
||||



