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Proc Natl Acad Sci U S A. 2013 Feb 26;110(9):3387-92. doi: 10.1073/pnas.1222643110. Epub 2013 Feb 11.

Long noncoding RNAs regulate adipogenesis.

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  • 1Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.

Abstract

The prevalence of obesity has led to a surge of interest in understanding the detailed mechanisms underlying adipocyte development. Many protein-coding genes, mRNAs, and microRNAs have been implicated in adipocyte development, but the global expression patterns and functional contributions of long noncoding RNA (lncRNA) during adipogenesis have not been explored. Here we profiled the transcriptome of primary brown and white adipocytes, preadipocytes, and cultured adipocytes and identified 175 lncRNAs that are specifically regulated during adipogenesis. Many lncRNAs are adipose-enriched, strongly induced during adipogenesis, and bound at their promoters by key transcription factors such as peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (CEBPα). RNAi-mediated loss of function screens identified functional lncRNAs with varying impact on adipogenesis. Collectively, we have identified numerous lncRNAs that are functionally required for proper adipogenesis.

PMID:
23401553
[PubMed - indexed for MEDLINE]
PMCID:
PMC3587215
Free PMC Article

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