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Cited by 678

The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

Chromatin structure analyses identify miRNA promoters

Open access
Ozsolak, Fatih, Poling, Laura L., Wang, Zhengxin, Liu, Hui, Liu, X. Shirley, Roeder, Robert G., Zhang, Xinmin, Song, Jun S., Fisher, David E.·2008·Genes & Development

Abstract

Although microRNAs (miRNAs) are key regulators of gene expression in normal human physiology and disease, transcriptional regulation of miRNAs is poorly understood, because most miRNA promoters have not yet been characterized. We identified the proximal promoters of 175 human miRNAs by combining nucleosome mapping with chromatin signatures for promoters. We observe that one-third of intronic miRNAs have transcription initiation regions independent from their host promoters and present a list of RNA polymerase II- and III-occupied miRNAs. Nucleosome mapping and linker sequence analyses in miRNA promoters permitted accurate prediction of transcription factors regulating miRNA expression, thus identifying nine miRNAs regulated by the MITF transcription factor/oncoprotein in melanoma cells. Furthermore, DNA sequences encoding mature miRNAs were found to be preferentially occupied by positioned-nucleosomes, and the 3′ end sites of known genes exhibited nucleosome depletion. The high-throughput identification of miRNA promoter and enhancer regulatory elements sheds light on evolution of miRNA transcription and permits rapid identification of transcriptional networks of miRNAs.

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Metadata

Authors
Ozsolak, F., Poling, L. L., Wang, Z., Liu, H., Liu, X. S., Roeder, R. G., Zhang, X., Song, J. S., & Fisher, D. E.
Venue
Genes & Development
Published
2008-11-15
Volume
22
Issue
22
Pages
3172-3183
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2041825143
Cited by
678
References
14
Type
posted content
Language
en
Open access
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