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Journal Articles Epilepsia Year : 2012

Why and how to target angiogenesis in focal epilepsies

Abstract

We previously reported that blood-brain barrier (BBB) disruption was associated with a pathologic angiogenesis in patients with intractable temporal lobe epilepsy (TLE) and in vivo models. This was confirmed by the overexpression of vascular endothelial growth factor (VEGF) in neurons and astrocytes and of its receptor vascular endothelial growth factor-2 (VEGF-R2) (or flk1) in endothelial cells. Using an original in vitro model, we showed that seizures were sufficient to activate the VEGF/VEGF-R2 system, which promotes vascularization and tight junction disassembly. Such a BBB dysfunction was shown to contribute to epileptogenesis. Therefore, we postulate that drugs that target the specific VEGF-R2 pathways involved in permeability are able to repair the BBB, and, therefore, could reduce epileptogenicity.

Dates and versions

hal-03997659 , version 1 (06-03-2023)

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Mélanie Morin-Brureau, Valérie Rigau, Mireille Lerner-Natoli. Why and how to target angiogenesis in focal epilepsies. Epilepsia, 2012, 53, pp.64 - 68. ⟨10.1111/j.1528-1167.2012.03705.x⟩. ⟨hal-03997659⟩
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