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Annu Rev Genomics Hum Genet. 2011;12:165-85. doi: 10.1146/annurev-genom-082410-101506.

Genomic approaches to deconstruct pluripotency.

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1
Stem Cell Transplantation Program, Division of Pediatric Hematology/Oncology, Children's Hospital Boston, Massachusetts 02115, USA.

Abstract

Embryonic stem cells (ESCs) first derived from the inner cell mass of blastocyst-stage embryos have the unique capacity of indefinite self-renewal and potential to differentiate into all somatic cell types. Similar developmental potency can be achieved by reprogramming differentiated somatic cells into induced pluripotent stem cells (iPSCs). Both types of pluripotent stem cells provide great potential for fundamental studies of tissue differentiation, and hold promise for disease modeling, drug development, and regenerative medicine. Although much has been learned about the molecular mechanisms that underlie pluripotency in such cells, our understanding remains incomplete. A comprehensive understanding of ESCs and iPSCs requires the deconstruction of complex transcription regulatory networks, epigenetic mechanisms, and biochemical interactions critical for the maintenance of self-renewal and pluripotency. In this review, we will discuss recent advances gleaned from application of global "omics" techniques to dissect the molecular mechanisms that define the pluripotent state.

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