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Nucleus. 2012 Jan-Feb;3(1):12-5. doi: 10.4161/nucl.18928.

Modulation of chromatin access during adipocyte differentiation.

Author information

  • 1Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark. s.mandrup@bmb.sdu.dk

Abstract

Cellular development requires reprogramming of the genome to modulate the gene program of the undifferentiated cell and allow expression of the gene program unique to differentiated cells. A number of key transcription factors involved in this reprogramming of preadipocytes to adipocytes have been identified; however, it is not until recently that we have begun to understand how these factors act at a genome-wide scale. In a recent publication we have mapped the genome-wide changes in chromatin structure during differentiation of 3T3-L1 preadipocytes and shown that a major reorganization of the chromatin landscape occurs within few hours following the addition of the adipogenic cocktail. In addition, we have mapped the genome-wide profiles of several of the early adipogenic transcription factors and shown that they act in a highly cooperative manner to drive this dramatic remodeling process.

KEYWORDS:

C/EBPbeta; ChIP-seq; DHS-seq; DNase I hypersensitive sites; adipocyte differentiation; chromatin structure; hotspot

PMID:
22540022
[PubMed - indexed for MEDLINE]
PMCID:
PMC3337165
Free PMC Article

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