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Rev Neurosci. 2012;23(1):29-37. doi: 10.1515/rns.2011.057.

At a PI3K crossroads: lessons from flies and rodents.

Author information

1
Department of Cellular, Molecular and Developmental Neurobiology, Cajal Institute, Consejo Superior de Investigaciones Científicas, 28002 Madrid, Spain. a.acebes@cajal.csic.es

Abstract

PI3K activation is the starting point of signaling pathways relaying on changes in the phosphorylation levels of membrane phosphoinositides. These pathways have been involved in several neuronal processes, including cellular growth and survival, differentiation, neuroprotection, dendritic growing, and synaptic plasticity among others. Recent data from Drosophila and rodents have demonstrated an unexpected role of PI3K controlling synapse number that lead to functional and behavioral effects. In the short-term, PI3K is also required for maintaining AMPA receptor clustering at the postsynaptic membranes. We review here the PI3K roles regulating synapse number and functionality.

PMID:
22718611
DOI:
10.1515/rns.2011.057
[Indexed for MEDLINE]

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