Insights into the Cellular Interactions and Molecular Mechanisms of Ketogenic Diet for Comprehensive Management of Epilepsy

Author:

Singh Damanpreet12,Kumar Amit34,Kumari Savita12

Affiliation:

1. Pharmacology and Toxicology Laboratory, Dietetics and Nutrition Technology Division, CSIR- Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India

2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India

3. Pharmacology and Toxicology Laboratory, Dietetics and Nutrition Technology Division, CSIR- Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India

4. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India

Abstract

Abstract: A high-fat diet with appropriate protein and low carbohydrate content, widely known as the ketogenic diet (KD), is considered as an effective non-pharmacotherapeutic treatment option for certain types of epilepsies. Several preclinical and clinical studies have been carried out to elucidate its mechanism of antiepileptic action. Ketone bodies produced after KD's breakdown interact with cellular excito-inhibitory processes and inhibit abnormal neuronal firing. The generated ketone bodies decrease glutamate release by inhibiting the vesicular glutamate transporter 1 and alter the transmembrane potential by hyperpolarization. Apart from their effect on the well-known pathogenic mechanisms of epilepsy, some recent studies have shown the interaction of KD metabolites with novel neuronal targets, particularly adenosine receptors, adenosine triphosphate-sensitive potassium channel, mammalian target of rapamycin, histone deacetylase, hydroxycarboxylic acid receptors, and the NLR family pyrin domain containing 3 inflammasomes to suppress seizures. The role of KD in augmenting gut microbiota as a potential mechanism for epileptic seizure suppression has been established. Furthermore, some recent findings also support the beneficial effect of KD against epilepsy- associated comorbidities. Despite several advantages of the KD in epilepsy management, its use is also associated with a wide range of side effects. Hypoglycemia, excessive ketosis, acidosis, renal stones, cardiomyopathies, and other metabolic disturbances are the primary adverse effects observed with the use of KD. However, in some recent studies, modified KD has been tested with lesser side effects and better tolerability. The present review discusses the molecular mechanism of KD and its role in managing epilepsy and its associated comorbidities.

Funder

SERB-DST, New Delhi, through the Early Career Research

Publisher

Bentham Science Publishers Ltd.

Subject

Pharmacology (medical),Psychiatry and Mental health,Neurology (clinical),Neurology,Pharmacology,General Medicine

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