Proteomics

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NuRD facilitates lineage decisions in human pluripotent cells


ABSTRACT: Differentiation of mammalian pluripotent cells involves large-scale changes in transcription and, among the molecules that orchestrate these changes, chromatin remodellers are essential to initiate, establish and maintain a new gene regulatory network. The NuRD complex is a highly conserved chromatin remodeller which fine-tunes gene expression in embryonic stem cells. While the function of NuRD in mouse pluripotent cells has been well defined, no study yet has defined NuRD function in human pluripotent cells. We investigated the structure and function of NuRD in human induced pluripotent stem cells (hiPSCs). Using immunoprecipitation followed by mass-spectrometry in hiPSCs and in naive or primed mouse pluripotent stem cells, we find that NuRD structure and biochemical interactors are generally conserved. Using RNA sequencing, we find that, whereas in mouse primed stem cells and in mouse naive ES cells, NuRD is required for an appropriate level of transcriptional response to differentiation signals, hiPSCs require NuRD to initiate these responses. This difference indicates that mouse and human cells interpret and respond to induction of differentiation differently.

INSTRUMENT(S): LTQ FT, LTQ Orbitrap Velos

ORGANISM(S): Homo sapiens   Mus musculus  

TISSUE(S): Cell Culture

DISEASE(S): Not Available

SUBMITTER: Susan Kloet  

LAB HEAD: Michiel Vermeulen

PROVIDER: PXD016967 | Pride | 2020-05-04

REPOSITORIES: pride

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