Connecting microRNA genes to the core transcriptional regulatory circuitry of embryonic stem cells

By A. Marson, S. Levine, Megan F. Cole, G. Frampton, T. Brambrink, Sarah E. Johnstone, M. Guenther, W. K. Johnston, Marius Wernig, J. Newman and 10 more. Cell, 2008

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SUMMARY MicroRNAs (miRNAs) are crucial for normal embryonic stem (ES) cell self-renewal and cellular differentiation, but how miRNA gene expression is controlled by the key transcriptional regulators of ES cells has not been established. We describe here a new map of the transcriptional regulatory circuitry of ES cells that incorporates both protein-coding and miRNA genes, and which is based on high-resolution ChIP-seq data, systematic identification of miRNA promoters, and quantitative sequencing of short transcripts in multiple cell types. We find that the key ES cell transcription factors are associated with promoters for most miRNAs that are preferentially expressed in ES cells and with promoters for a set of silent miRNA genes. This silent set of miRNA genes is co-occupied by Polycomb Group proteins in ES cells and expressed in a tissue-specific fashion in differentiated cells. These data reveal how key ES cell transcription factors promote the miRNA expression program that contributes to normal self-renewal and cellular differentiation, and integrate miRNAs and their targets into an expanded model of the regulatory circuitry controlling ES cell identity.

Subfields: Cancer Research, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/a44aa96ff16b00574662b7cbc169da7514aee254

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In Cancer Research

  1. David P. Bartel
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  3. George A. Calin
  4. Phillip A. Sharp
  5. Howard Y. Chang
  6. Richard A. Young
  7. W. K. Johnston
  8. J. Ruby

In Molecular Biology

  1. David P. Bartel
  2. Richard A. Young
  3. Scott M. Hammond
  4. Phillip A. Sharp
  5. Howard Y. Chang
  6. Johannes Rinn
  7. George A. Calin
  8. R. Weinberg

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