Guido Zibell

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In the epileptic brain, seizure activity induces expression of the blood-brain barrier efflux transporter, P-glycoprotein, thereby limiting brain penetration and therapeutic efficacy of antiepileptic drugs. We recently provided the first evidence that seizures drive P-glycoprotein induction through a pathway that involves glutamate-signaling through the(More)
Epileptic seizures drive expression of the blood-brain barrier efflux transporter P-glycoprotein via a glutamate/cyclooxygenase-2 mediated signalling pathway. Targeting this pathway may represent an innovative approach to control P-glycoprotein expression in the epileptic brain and to enhance brain delivery of antiepileptic drugs. Therefore, we tested the(More)
PURPOSE The use of alternate methods for antiepileptic drug delivery has been proposed as a putative strategy to enhance efficacy and tolerability of chronic pharmacotherapy. Intranasal administration is of specific interest based on its general potential for targeted central nervous system delivery. Therefore we analyzed whether intranasal administration(More)
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