Presenilins are essential for regulating neurotransmitter release
2009
Mutations in the presenilin genes are associated with familial cases of Alzheimer's disease, but the precise site and nature of the synaptic dysfunction remain unknown. Using a genetic approach to selectively inactivate presenilins in a mouse model, it has been possible to demonstrate that they act in the presynaptic compartment to control the activity-dependent efficacy of neurotransmitter release, a process essential for neuronal computation, learning and memory.
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