Reduced levels of the tyrosine phosphatase STEP block β amyloid-mediated GluA1/GluA2 receptor internalization.

@article{Zhang2011ReducedLO,
  title={Reduced levels of the tyrosine phosphatase STEP block β amyloid-mediated GluA1/GluA2 receptor internalization.},
  author={Yongfang Zhang and Pradeep K. Kurup and J Xu and George M See Anderson and Paul Greengard and Angus C. Nairn and Paul J. Lombroso},
  journal={Journal of neurochemistry},
  year={2011},
  volume={119 3},
  pages={664-72}
}
Striatal-Enriched protein tyrosine Phosphatase of MW 61 kDa (STEP(61)) is a protein tyrosine phosphatase recently implicated in the pathophysiology of Alzheimer's disease (AD). STEP(61) is elevated in human AD prefrontal cortex and in the cortex of several AD mouse models. The elevated levels of active STEP(61) down-regulate surface expression of GluN1/GluN2B (formerly NR1/NR2B) receptor complexes, while genetically reducing STEP levels rescues both the biochemical and cognitive deficits in a… CONTINUE READING

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