Summary:
- The study found that increased neuronal activity triggers a rapid increase in mitochondrial transcription, which helps neurons meet their high energy demands.
- Researchers discovered that the transcription factor CREB, which is activated by neuronal activity, binds to the promoters of mitochondrial genes, leading to increased mitochondrial gene expression and ATP production.
- This mechanism allows neurons to quickly mobilize their energy reserves in response to heightened activity, which is crucial for supporting neuronal functions like synaptic transmission and plasticity.