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Updated: Jun 15, 2026

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CREB's control of intrinsic and synaptic plasticity: implications for CREB-dependent memory models
1Instituto de Neurociencias de Alicante (Universidad Miguel Hernández-Consejo Superior de Investigaciones Científicas), Campus de Sant Joan, Apt. 18, Sant Joan d'Alacant, 03550, Alicante, Spain.
The cAMP-response element binding protein (CREB) is vital for long-term memory formation by influencing gene expression. New findings show CREB also affects neuron excitability, linking intrinsic and synaptic plasticity in memory.
Area of Science:
- Neuroscience
- Molecular Biology
- Cognitive Science
Background:
- cAMP-response element binding protein (CREB)-dependent gene expression is crucial for long-lasting memory formation.
- Previous research established CREB's role through correlative and functional studies impacting memory performance.
Purpose of the Study:
- To investigate the mechanistic role of CREB in memory formation beyond synaptic plasticity.
- To explore CREB's influence on neuronal intrinsic excitability.
Main Methods:
- Utilized loss- and gain-of-function experiments.
- Analyzed CREB's impact on both synaptic plasticity and intrinsic neuronal excitability.
Main Results:
- CREB activation is a key step in the molecular cascade for memory formation.
- CREB modulates not only synaptic plasticity but also the intrinsic excitability of neurons.
Conclusions:
- CREB's role in memory is linked to its involvement in long-term synaptic plasticity.
- The modulation of intrinsic neuronal excitability by CREB offers new insights into memory mechanisms.
- This discovery highlights interconnectedness between intrinsic and synaptic plasticity in CREB-mediated memory formation.
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