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- T Morimoto, H Nagao, M Yoshimatsu, K Yoshida, and H Matsuda.
- Department of Pediatrics, Ehime University School of Medicine, Japan.
- Epilepsia. 1993 May 1; 34 (3): 447-52.
AbstractHyperthermia induces seizures in both humans and rodents, but the underlying mechanism remains unknown. The present study showed that hyperthermia, causing rapid increase in body temperature, increases the concentration of glutamate (Glu) released into a cortical perfusate before onset of seizures in rats and that this increase in Glu concentration correlated with a decrease in seizure threshold temperature. These results indicate that increased cortical extracellular Glu induced by hyperthermia contributes to onset of seizures. The same mechanism may be involved in clinical seizures induced by fever in patients with febrile convulsions or epilepsy.
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