Transcriptional and epigenetic dynamics during specification of human embryonic stem cells

Casey A. Gifford, Michael J. Ziller, Hongcang Gu, Cole Trapnell, Julie Donaghey, Alexander Tsankov, Alex K. Shalek, David R. Kelley, Alexander A. Shishkin, Robbyn Issner, Xiaolan Zhang, Michael Coyne, Jennifer L. Fostel, Laurie Holmes, Jim Meldrim, Mitchell Guttman, Charles Epstein, Hongkun Park, Oliver Kohlbacher, John RinnAndreas Gnirke, Eric S. Lander, Bradley E. Bernstein, Alexander Meissner

Research output: Contribution to journalArticlepeer-review

359 Scopus citations

Abstract

Differentiation of human embryonic stem cells (hESCs) provides a unique opportunity to study the regulatory mechanisms that facilitate cellular transitions in a human context. To that end, we performed comprehensive transcriptional and epigenetic profiling of populations derived through directed differentiation of hESCs representing each of the three embryonic germ layers. Integration of whole-genome bisulfite sequencing, chromatin immunoprecipitation sequencing, and RNA sequencing reveals unique events associated with specification toward each lineage. Lineage-specific dynamic alterations in DNA methylation and H3K4me1 are evident at putative distal regulatory elements that are frequently bound by pluripotency factors in the undifferentiated hESCs. In addition, we identified germ-layer-specific H3K27me3 enrichment at sites exhibiting high DNA methylation in the undifferentiated state. A better understanding of these initial specification events will facilitate identification of deficiencies in current approaches, leading to more faithful differentiation strategies as well as providing insights into the rewiring of human regulatory programs during cellular transitions.

Original languageEnglish
Pages (from-to)1149-1163
Number of pages15
JournalCell
Volume153
Issue number5
DOIs
StatePublished - 23 May 2013
Externally publishedYes

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