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Loss of WAVE-1 Causes Sensorimotor Retardation and Reduced Learning and Memory in Mice
Ist Teil von
Proceedings of the National Academy of Sciences - PNAS, 2003-02, Vol.100 (4), p.1723-1728
Ort / Verlag
United States: National Academy of Sciences
Erscheinungsjahr
2003
Quelle
MEDLINE
Beschreibungen/Notizen
The Scar/WAVE family of scaffolding proteins organize molecular networks that relay signals from the GTPase Rac to the actin cytoskeleton. The WAVE-1 isoform is a brain-specific protein expressed in variety of areas including the regions of the hippocampus and the Purkinje cells of the cerebellum. Targeted disruption of the WAVE-1 gene generated mice with reduced anxiety, sensorimotor retardation, and deficits in hippocampal-dependent learning and memory. These sensorimotor and cognitive deficits are analogous to the symptoms of patients with 3p-syndrome mental retardation who are haploinsufficient for WRP/MEGAP, a component of the WAVE-1 signaling network. Thus WAVE-1 is required for normal neural functioning.