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Nat Genet. 2014 Jun;46(6):558-66. doi: 10.1038/ng.2965. Epub 2014 Apr 28.

Deep transcriptome profiling of mammalian stem cells supports a regulatory role for retrotransposons in pluripotency maintenance.

Author information

1
1] Division of Genomic Technologies, RIKEN Center for Life Science Technologies, Yokohama, Japan. [2].
2
Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
3
Division of Genomic Technologies, RIKEN Center for Life Science Technologies, Yokohama, Japan.
4
Sequencing Technology Group, Joint Genome Institute, Lawrence Berkeley National Laboratory, Walnut Creek, California, USA.
5
Bioinformatics Centre, Department of Biology and Biotech Research and Innovation Centre, University of Copenhagen, Copenhagen, Denmark.

Abstract

The importance of microRNAs and long noncoding RNAs in the regulation of pluripotency has been documented; however, the noncoding components of stem cell gene networks remain largely unknown. Here we investigate the role of noncoding RNAs in the pluripotent state, with particular emphasis on nuclear and retrotransposon-derived transcripts. We have performed deep profiling of the nuclear and cytoplasmic transcriptomes of human and mouse stem cells, identifying a class of previously undetected stem cell-specific transcripts. We show that long terminal repeat (LTR)-derived transcripts contribute extensively to the complexity of the stem cell nuclear transcriptome. Some LTR-derived transcripts are associated with enhancer regions and are likely to be involved in the maintenance of pluripotency.

PMID:
24777452
DOI:
10.1038/ng.2965
[Indexed for MEDLINE]

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