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Nat Neurosci. 2011 Mar;14(3):279-84. doi: 10.1038/nn.2708. Epub 2011 Jan 30.

New views of Arc, a master regulator of synaptic plasticity.

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Department of Brain and Cognitive Sciences, The Picower Institute for Learning and Memory, and Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.


Many proteins have been implicated in synaptic and experience-dependent plasticity. However, few demonstrate the exquisite regulation of expression and breadth of functional importance as the immediate early gene product Arc. Here we review and attempt to synthesize the disparate views of Arc in neuronal function. The main conclusion garnered from this body of work is that Arc is a critical effector molecule downstream of many molecular signaling pathways and that dysregulation of Arc expression can have dire consequences for normal brain function.

[Indexed for MEDLINE]

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