ArticlePharmacology research & perspectives2024
The hydroxycarboxylic acid receptor HCA2 is required for the protective effect of ketogenic diet in epilepsy.
Article in Pharmacology research & perspectives, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Hydroxycarboxylic Acid Receptor 2 Mediates β-hydroxybutyrate's Antiseizure Effect in Mice.Annals of neurology · 2026Article
- The hydroxycarboxylic acid receptor HCA2 is required for the protective effect of ketogenic diet in epilepsy.Pharmacology research & perspectives · 2024Article
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12 authors.
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Abstract
One third of epilepsy patients are resistant to treatment with current anti-seizure medications. The ketogenic diet is used to treat some forms of refractory epilepsy, but the mechanism of its action has not yet been elucidated. In this study, we aimed to investigate whether the hydroxycarboxylic acid receptor 2 (HCA2), a known immunomodulatory receptor, plays a role in mediating the protective effect of this diet. We demonstrate for the first time that selective agonists at this receptor can directly reduce seizures in animal models. Agonists also reduce network activity in rodent and human brain slices. Ketogenic diet is known to increase circulating levels of endogenous HCA2 agonists, and we show that the effect of ketogenic diet in reducing seizures in the 6 Hz seizure model is negated in HCA2-deficient mice. Our data support the potential of HCA2 as a target for the treatment of epilepsy and potentially for neurodegenerative diseases.
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