New model of pharmacoresistant seizures induced by 3-mercaptopropionic acid in mice

被引：14

作者：

Enrique, Andrea ^{[1
,2
]}

Goicoechea, Sofia ^{[1
]}

Castano, Rocio ^{[1
]}

Taborda, Facundo ^{[1
]}

Rocha, Luisa ^{[3
]}

Orozco, Sandra ^{[4
]}

Girardi, Elena ^{[2
]}

Bruno Blanch, Luis ^{[1
]}

机构：

[1] Univ Nacl La Plata, Fac Ciencias Exactas, Dept Ciencias Biol, Lab Invest & Desarrollo Bioact LIDeB, La Plata, Buenos Aires, Argentina

[2] Univ Buenos Aires, Fac Med, CONICET, Inst Biol Celular & Neurociencia Prof Eduardo De, Buenos Aires, DF, Argentina

[3] Ctr Invest & Estudios Avanzados, Dept Farmacobiol, Tlalpan, DF, Mexico

[4] Ctr Med Nacl, Unidad Invest Med Enfermedades Neurol, Cuauhtemoc, DF, Mexico

来源：

EPILEPSY RESEARCH | 2017年 / 129卷

关键词：

Refractory epilepsy; Animal models; P-glycoprotein; Drug resistance; 3-Mercaptopropionic acid; Mice; TRANSPORTER P-GLYCOPROTEIN; MULTIDRUG-RESISTANCE; ANTIEPILEPTIC DRUGS; BRAIN EXPRESSION; ABC TRANSPORTERS; ANIMAL-MODELS; EPILEPSY; HIPPOCAMPUS; RATS; EFFICACY;

D O I：

10.1016/j.eplepsyres.2016.10.012

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

About 30% of the patients with epilepsy do not respond to clinically established anticonvulsants, despite having effective concentrations of the antiepileptic drug in plasma. Therefore, new preclinical models of epilepsy are needed to identify more efficacious treatments. We describe here a new drug-resistant seizure model in mice to be used at the early stages of pre-clinical trials. This model consists in inducing daily generalized seizures for 23 consecutive days by administration of 3-mercaptopropionic acid (MP). As a result, 100% of animals become resistant to phenytoin and 80% to phenobarbital. Such resistance is strongly associated with the overexpression of P-glycoprotein (Pgp), observed in cerebral cortex, hippocampus and striatum while resistance to Pgp nonsubstrate drugs such as carbamazepine, diazepam and levetiracetam is not observed. This model could be useful for screening novel anticonvulsant drugs with a potential effect on pharmacoresistant seizures treatment. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：8 / 16

页数：9

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