eLife (Feb 2016)

An experimentally validated network of nine haematopoietic transcription factors reveals mechanisms of cell state stability

  • Judith Schütte,
  • Huange Wang,
  • Stella Antoniou,
  • Andrew Jarratt,
  • Nicola K Wilson,
  • Joey Riepsaame,
  • Fernando J Calero-Nieto,
  • Victoria Moignard,
  • Silvia Basilico,
  • Sarah J Kinston,
  • Rebecca L Hannah,
  • Mun Chiang Chan,
  • Sylvia T Nürnberg,
  • Willem H Ouwehand,
  • Nicola Bonzanni,
  • Marella FTR de Bruijn,
  • Berthold Göttgens

DOI
https://doi.org/10.7554/eLife.11469
Journal volume & issue
Vol. 5

Abstract

Read online

Transcription factor (TF) networks determine cell-type identity by establishing and maintaining lineage-specific expression profiles, yet reconstruction of mammalian regulatory network models has been hampered by a lack of comprehensive functional validation of regulatory interactions. Here, we report comprehensive ChIP-Seq, transgenic and reporter gene experimental data that have allowed us to construct an experimentally validated regulatory network model for haematopoietic stem/progenitor cells (HSPCs). Model simulation coupled with subsequent experimental validation using single cell expression profiling revealed potential mechanisms for cell state stabilisation, and also how a leukaemogenic TF fusion protein perturbs key HSPC regulators. The approach presented here should help to improve our understanding of both normal physiological and disease processes.

Keywords