Sprouty1 regulates neural and endothelial differentiation of mouse embryonic stem cells

Stem Cells Dev. 2012 Mar 1;21(4):554-61. doi: 10.1089/scd.2011.0110. Epub 2011 Jun 24.

Abstract

Fibroblast growth factor (FGF) signaling is implicated in the control of pluripotency and lineage differentiation of both human and mouse embryonic stem cells (mESCs). FGF4 dependent stimulation of ERK1/2 signaling triggers transition of pluripotent ESCs from self-renewal and lineage commitment. In this study, Sprouty 1 (Spry1) expression was observed in undifferentiated mESCs, where it modulated ERK1/2 activity. Spry1 was confirmed as dispensable for the maintenance of self-renewal. However, suppression of Spry1 expression and subsequent activation of ERK1/2 signaling promoted neural differentiation and inhibited endothelial differentiation of mESCs. Moreover, evidence is presented which indicates that SHP2, a major determinant of balance between mESC self-renewal and differentiation, directly regulates Spry1 activity to modulate ERK1/2 signaling and lineage-specific differentiation in mESCs. Our results show that Spry1 has an essential role in the lineage specific differentiation of mESCs.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adaptor Proteins, Signal Transducing
  • Animals
  • Cell Line
  • Embryonic Stem Cells / cytology
  • Embryonic Stem Cells / metabolism*
  • Endothelial Cells / cytology
  • Endothelial Cells / metabolism*
  • Fibroblast Growth Factors / metabolism
  • Gene Expression Regulation / physiology
  • MAP Kinase Signaling System / physiology*
  • Membrane Proteins / metabolism*
  • Mice
  • Mitogen-Activated Protein Kinase 3 / metabolism
  • Neurons / cytology
  • Neurons / metabolism*
  • Phosphoproteins / metabolism*
  • Pluripotent Stem Cells / cytology
  • Pluripotent Stem Cells / metabolism*
  • Protein Tyrosine Phosphatase, Non-Receptor Type 11 / metabolism

Substances

  • Adaptor Proteins, Signal Transducing
  • Membrane Proteins
  • Phosphoproteins
  • Spry1 protein, mouse
  • Fibroblast Growth Factors
  • Mitogen-Activated Protein Kinase 3
  • Protein Tyrosine Phosphatase, Non-Receptor Type 11
  • Ptpn11 protein, mouse