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Anticonvulsant Effect of Flutamide in vitro Seizure Model / 대한간질학회지
Journal of Korean Epilepsy Society ; : 92-95, 2008.
Artigo em Coreano | WPRIM | ID: wpr-31836
ABSTRACT

PURPOSE:

Flutamide (4-nitro-3-t-trifluoromethyl-isobutyranilide) is an androgen-receptor antagonist with typical antiandrogenic effect, used to treat androgen-dependent disorders such as prostate cancer. However, some reports noted that flutamide has direct effects to neuronal cells. It has been shown to retard the development of electrical kindling in rats.

METHODS:

We used the chemoconvulsant 4-aminopyridine (4-AP) and picrotoxin (PTX) in the in vitro hippocampal slice model to determine of flutamide for the suppression of epileptiform discharges. Extracellular field potential recordings were obtained from the CA3 pyramidal layer of hippocampus.

RESULTS:

The concentration of 30 and 100 micrometer flutamide suppressed the whole mean number of epileptiform discharges to 57.8% and 66.8% each compared with the 4-AP only slices. In 100 micrometer PTX, 10 and 30 micrometer flutamide suppressed the whole mean number of epileptiform discharges to 56.6% and 82.5% each. Intermixed with flumazenil, the anticonvulsant effect of flutamide was decreased.

CONCLUSIONS:

Flutamide suppressed epileptiform discharges induced by 4-AP and PTX in vitro seizure model. It suggests that flutamide influence to anti-epileptic activity by benzodiazepine site of the GABAA receptor.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Picrotoxina / Neoplasias da Próstata / Convulsões / Benzodiazepinas / 4-Aminopiridina / Flumazenil / Flutamida / Neurônios Idioma: Coreano Revista: Journal of Korean Epilepsy Society Ano de publicação: 2008 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Picrotoxina / Neoplasias da Próstata / Convulsões / Benzodiazepinas / 4-Aminopiridina / Flumazenil / Flutamida / Neurônios Idioma: Coreano Revista: Journal of Korean Epilepsy Society Ano de publicação: 2008 Tipo de documento: Artigo