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- Title
Pre- and Post-Treatment with Novel Antiepileptic Drug Oxcarbazepine Exerts Neuroprotective Effect in the Hippocampus in a Gerbil Model of Transient Global Cerebral Ischemia.
- Authors
Ahn, Ji Hyeon; Shin, Bich Na; Park, Joon Ha; Lee, Tae-Kyeong; Park, Young Eun; Lee, Jae-Chul; Yang, Go Eun; Shin, Myoung Cheol; Cho, Jun Hwi; Lee, Kyu Chang; Won, Moo-Ho; Kim, Hyeyoung
- Abstract
Oxcarbazepine, an antiepileptic drug, has been reported to modulate voltage-dependent sodium channels, and it is commonly used in epilepsy treatment. In this study, we investigated the neuroprotective effect of oxcarbazepine in the hippocampus after transient ischemia in gerbils. Gerbils randomly received oxcarbazepine 100 or 200 mg/kg before and after transient ischemia. We examined its neuroprotective effect in the cornu ammonis 1 subfield of the gerbil hippocampus at 5 days after transient ischemia by using cresyl violet staining, neuronal nuclei immunohistochemistry and Fluoro-Jade B histofluorescence staining for neuroprotection, and by using glial fibrillary protein and ionized calcium-binding adapter molecule 1 immunohistochemistry for reaction of astrocytes and microglia, respectively. Pre- and post-treatment with 200 mg/kg of oxcarbazepine, but not 100 mg/kg of oxcarbazepine, protected pyramidal neurons of the cornu ammonis 1 subfield from transient ischemic damage. In addition, pre- and post-treatment with oxcarbazepine (200 mg/kg) significantly ameliorated astrocytes and microglia activation in the ischemic cornu ammonis 1 subfield. In brief, our current results indicate that post-treatment as well as pre-treatment with 200 mg/kg of oxcarbazepine can protect neurons from ischemic insults via attenuation of the glia reaction.
- Subjects
TRANSIENT ischemic attack; GERBILS; HIPPOCAMPUS (Brain); PYRAMIDAL neurons; ANTICONVULSANTS; VIMPAT
- Publication
Brain Sciences (2076-3425), 2019, Vol 9, Issue 10, p279
- ISSN
2076-3425
- Publication type
Article
- DOI
10.3390/brainsci9100279