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Dapsone attenuates kainic acid-induced seizures in rats
M Altagracia1, A Monroy-Noyola, L Osorio-Rico
1Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana-Xochimilco, Mexico DF, Mexico.
Neuroscience Letters
|July 18, 1994
Summary
Dapsone demonstrated significant anticonvulsant effects by reducing seizure duration and mortality in kainic acid-induced seizures in rats. These findings support dapsone
Area of Science:
- Neuroscience
- Pharmacology
Background:
- Kainic acid is a potent neurotoxin that induces seizures.
- Epilepsy is a neurological disorder characterized by recurrent seizures.
Purpose of the Study:
- To evaluate the anticonvulsant potential of dapsone against kainic acid-induced seizures.
Main Methods:
- Rats were administered kainic acid (10 mg/kg) to induce seizures.
- Dapsone (9.375 and 12.5 mg/kg) was administered 30 minutes prior to kainic acid injection.
- Electroencephalographic (EEG) seizure activity, behavioral symptoms, and mortality were monitored.
Main Results:
- Dapsone significantly reduced the duration of EEG seizures by 52% and 82% at the tested doses.
- The higher dose of dapsone (12.5 mg/kg) decreased kainic acid-evoked body and head shakes by 58%.
- Dapsone administration also reduced kainic acid-induced mortality by 75%.
Conclusions:
- Dapsone exhibits significant anticonvulsant properties.
- Dapsone may represent a potential therapeutic agent for seizure disorders.
- Further clinical investigation of dapsone as an anticonvulsant is warranted.