Angelman Syndrome: Finding the Lost Arc

Abstract

Angelman syndrome is a neurodevelopmental disorder caused by mutations in the maternally inherited UBE3A gene, which encodes a ubiquitin ligase. Greer et al. (2010) now identify a UBE3A substrate called Arc that promotes endocytosis of neuronal AMPA receptors, providing insight into synaptic defects that may underlie the cognitive deficits in Angelman syndrome.

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