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Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation
Published on: June 26, 2013
The molecular basis of CaMKII function in synaptic and behavioural memory.
J Lisman1, H Schulman, H Cline
1Department of Biology, Brandeis University, Waltham, Massachusetts 02454, USA.
Nature Reviews. Neuroscience
|May 8, 2002
Summary
Calcium/calmodulin-dependent protein kinase II (CaMKII) acts as a molecular switch for memory storage. Persistent CaMKII activation is crucial for long-term potentiation (LTP) and behavioral memory formation in the hippocampus.
Area of Science:
- Neuroscience
- Molecular Biology
- Cognitive Science
Background:
- Long-term potentiation (LTP) in the hippocampus is a key model for memory research.
- Calcium/calmodulin-dependent protein kinase II (CaMKII) is implicated in LTP induction and synaptic plasticity.
Purpose of the Study:
- To investigate the role of CaMKII autophosphorylation and dephosphorylation in memory storage.
- To determine if CaMKII can function as a molecular switch for long-term memory.
Main Methods:
- Analysis of CaMKII autophosphorylation and dephosphorylation dynamics.
- Investigating the effects of CaMKII mutations on LTP, synaptic plasticity, and behavioral memory.
Main Results:
- CaMKII exhibits properties of a molecular switch, with its persistent activation linked to long-term memory storage.
- Mutations preventing CaMKII persistent activation abolish LTP, experience-dependent plasticity, and behavioral memory.
Conclusions:
- CaMKII's persistent activation mechanism supports its role as a molecular switch for memory.
- CaMKII is a leading molecular candidate for the cellular basis of memory.
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