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Full-Text Articles in Medical Molecular Biology
Inhibition Of Dna Methyltransferase Leads To Increased Genomic 5-Hydroxymethylcytosine Levels In Hematopoietic Cells., Borbála Vető, Pál Szabó, Caroline Bacquet, Anna Apró, Edit Hathy, Judit Kiss, János M. Réthelyi, Flóra Szeri, Dávid Szüts, Tamás Arányi
Inhibition Of Dna Methyltransferase Leads To Increased Genomic 5-Hydroxymethylcytosine Levels In Hematopoietic Cells., Borbála Vető, Pál Szabó, Caroline Bacquet, Anna Apró, Edit Hathy, Judit Kiss, János M. Réthelyi, Flóra Szeri, Dávid Szüts, Tamás Arányi
Department of Dermatology and Cutaneous Biology Faculty Papers
5-Hydroxymethylcytosine (5hmC) is produced from 5-methylcytosine (5mC) by Ten-eleven translocation (TET) dioxygenases. The epigenetic modification 5hmC has crucial roles in both cellular development and differentiation. The 5hmC level is particularly high in the brain. While 5mC is generally associated with gene silencing/reduced expression, 5hmC is a more permissive epigenetic mark. To understand its physiological function, an easy and accurate quantification method is required. Here, we have developed a novel LC-MS/MS-based approach to quantify both genomic 5mC and 5hmC contents. The method is based on the liberation of nucleobases by formic acid. Applying this method, we characterized the levels of DNA …