HousemanEugenePHHSEpigeneticRemodelingB-Cell_SupplementaryData.zip

Citeable URL: https://ir.library.oregonstate.edu/concern/articles/4j03d133g

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Creator	Lee, Seung-Tae Muench, Marcus O. Fomin, Marina E. Houseman, E. Andres et al.
Abstract	We investigated DNA methylomes of pediatric B-cell acute lymphoblastic leukemias (B-ALLs) using whole-genome bisulfite sequencing and high-definition microarrays, along with RNA expression profiles. Epigenetic alteration of B-ALLs occurred in two tracks: de novo methylation of small functional compartments and demethylation of large intercompartmental backbones. The deviations were exaggerated in lamina-associated domains, with differences corresponding to methylation clusters and/or cytogenetic groups. Our data also suggested a pivotal role of polycomb and CTBP2 in de novo methylation, which may be traced back to bivalency status of embryonic stem cells. Driven by these potent epigenetic modulations, suppression of polycomb target genes was observed along with disruption of developmental fate and cell cycle and mismatch repair pathways and altered activities of key upstream regulators.
Urheberrechts-Erklärung	In Copyright

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2017-07-25

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