DNA hydroxymethylation controls cardiomyocyte gene expression in development and hypertrophy

Carolina M. Greco (), Paolo Kunderfranco, Marcello Rubino, Veronica Larcher, Pierluigi Carullo, Achille Anselmo, Kerstin Kurz, Thomas Carell, Andrea Angius, Michael V. G. Latronico, Roberto Papait and Gianluigi Condorelli ()
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Carolina M. Greco: Humanitas Clinical and Research Center
Paolo Kunderfranco: Humanitas Clinical and Research Center
Marcello Rubino: Humanitas Clinical and Research Center
Veronica Larcher: Humanitas Clinical and Research Center
Pierluigi Carullo: Humanitas Clinical and Research Center
Achille Anselmo: Humanitas Clinical and Research Center
Kerstin Kurz: Center for Integrated Protein Science, Ludwig-Maximilians-Universität München
Thomas Carell: Center for Integrated Protein Science, Ludwig-Maximilians-Universität München
Andrea Angius: Institute of Genetics and Biomedical Research, National Research Council of Italy
Michael V. G. Latronico: Humanitas Clinical and Research Center
Roberto Papait: Humanitas Clinical and Research Center
Gianluigi Condorelli: Humanitas Clinical and Research Center

Nature Communications, 2016, vol. 7, issue 1, 1-15

Abstract: Abstract Methylation at 5-cytosine (5-mC) is a fundamental epigenetic DNA modification associated recently with cardiac disease. In contrast, the role of 5-hydroxymethylcytosine (5-hmC)—5-mC’s oxidation product—in cardiac biology and disease is unknown. Here we assess the hydroxymethylome in embryonic, neonatal, adult and hypertrophic mouse cardiomyocytes, showing that dynamic modulation of hydroxymethylated DNA is associated with specific transcriptional networks during heart development and failure. DNA hydroxymethylation marks the body of highly expressed genes as well as distal regulatory regions with enhanced activity. Moreover, pathological hypertrophy is characterized by a shift towards a neonatal 5-hmC distribution pattern. We also show that the ten-eleven translocation 2 (TET2) enzyme regulates the expression of key cardiac genes, such as Myh7, through 5-hmC deposition on the gene body and at enhancers. Thus, we provide a genome-wide analysis of 5-hmC in the cardiomyocyte and suggest a role for this epigenetic modification in heart development and disease.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12418

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DOI: 10.1038/ncomms12418

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