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Keywords:

  • GSK-3;
  • β-catenin;
  • Cdk5;
  • synaptic plasticity;
  • Wnt signaling

Abstract

Neurons communicate through neurotransmission at the synapse. Precise regulation of the synaptic structure and signaling during the formation and remodeling of synapses is vital for information processing between neurons. Scaffold proteins play key roles in synapses by tethering the signaling cascades spatially and temporally to ensure proper brain functioning. This review summarizes the recent evidence indicating that Axin, a scaffold protein, plays a central role in orchestrating presynaptic and postsynaptic signaling complexes to regulate synapse development and plasticity in the central nervous system. © 2013 IUBMB Life, 65(8):685–691, 2013.