Potential mechanism of the ketogenic diet in epilepsy
The antiepileptic effects of ketogenic diets remain an area of active research, and while the exact mechanisms are not fully understood, several hypotheses have been proposed:
- Enhanced Inhibitory
Neurotransmission: Ketones produced during ketosis may enhance the production
and release of inhibitory neurotransmitters, such as gamma-aminobutyric acid (GABA),
which dampen neuronal excitability and help regulate seizure activity. This
increased availability of inhibitory neurotransmitters may contribute to the
antiepileptic effects of ketogenic diets.
- Reduction of Neuronal
Excitability: Ketones, particularly beta-hydroxybutyrate, may directly modulate
neuronal excitability by influencing ion channel activity and membrane
potential, leading to a reduction in neuronal hyperexcitability. This effect
could help stabilize abnormal electrical activity in the brain and reduce the
propensity for seizures.
- Improved Mitochondrial
Function: Ketogenic diets have been shown to enhance mitochondrial function and
biogenesis, leading to improved energy production and metabolic efficiency
within brain cells. By optimizing cellular energy metabolism, ketogenic diets
may support neuronal health and
resilience, potentially reducing the risk of seizures.
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