Abstract
Genome-wide sequence-specific methylation analysis has become a readily available and affordable procedure in epigenetic laboratories. Most of these procedures are based on immunoprecipitation, microarrays, or next generation deep bisulfite sequencing. However, most of these protocols are far from being quantitative. Moreover, abnormal or specific methylation patterns must always be further validated by quantitative sequence-specific methylation analysis. In this chapter, we describe a detailed and simplified protocol (using one universal HPLC gradient for all separations as well as one SNuPE annealing temperature for all primers) for the previously published SIRPH analysis, which is based on the single nucleotide primer extension combined with high-performance liquid chromatography. This method is highly accurate, reproducible, quantitative, and suitable for analysis of as little as 50 ng of PCR product derived from limited starting materials.
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Singer, H., Nüsgen, N., El-Maarri, O. (2011). SIRPH: An HPLC-Based SNuPE for Quantitative Methylation Measurement at Specific CpG Sites. In: Tollefsbol, T. (eds) Epigenetics Protocols. Methods in Molecular Biology, vol 791. Humana Press. https://doi.org/10.1007/978-1-61779-316-5_7
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DOI: https://doi.org/10.1007/978-1-61779-316-5_7
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