Neuroprotective effect of topiramate on hypoxic ischemic brain injury in neonatal rats

Mi Ra Noh, Sung Koo Kim, Woong Sun, Soon Kwon Park, Hyung Chol Choi, Ji Hyae Lim, Il Hwan Kim, Hyun Ju Kim, Hyun Kim, Baik-Lin Eun

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Perinatal hypoxia-ischemia is one of the most common risk factors for neonatal mortality and permanent neurodevelopmental disability. Topiramate [2,3:4,5-bis-o-(1-methylethylidene) β-d-fructo-pyranose sulfamate; TPM] is widely used as an antiepileptic agent with multiple targets. In the present study, we found that treatment with TPM reduced the neuronal damage induced by oxygen-glucose deprivation in vitro with strong inhibition of the alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) receptor. Because perinatal hypoxia is mediated, at least in part, by aberrant glutamatergic excitation, we tested whether treatment with TPM was effective against perinatal brain hypoxia-ischemia. Intraperitoneal or oral pretreatment with TPM was found to reduce the brain damage and subsequent cognitive impairments induced by transient hypoxia-ischemia in perinatal rats. A potent neuroprotective effect of TPM was also observed in a post-treatment regime although post-treatment window appears to be relatively narrow (<2 h). These results suggest that TPM treatment may be beneficial for perinatal hypoxia-ischemia and related damage.

Original languageEnglish
Pages (from-to)470-478
Number of pages9
JournalExperimental Neurology
Volume201
Issue number2
DOIs
Publication statusPublished - 2006 Oct 1

Fingerprint

Neuroprotective Agents
Brain Injuries
Ischemia
Brain Hypoxia-Ischemia
AMPA Receptors
Infant Mortality
Anticonvulsants
Oxygen
Glucose
topiramate
Hypoxia
Brain

Keywords

  • AMPA
  • Cerebral ischemia
  • Neuroprotection
  • Newborn
  • Oxygen-glucose deprivation
  • Topiramate

ASJC Scopus subject areas

  • Neurology
  • Neuroscience(all)

Cite this

Neuroprotective effect of topiramate on hypoxic ischemic brain injury in neonatal rats. / Noh, Mi Ra; Kim, Sung Koo; Sun, Woong; Park, Soon Kwon; Choi, Hyung Chol; Lim, Ji Hyae; Kim, Il Hwan; Kim, Hyun Ju; Kim, Hyun; Eun, Baik-Lin.

In: Experimental Neurology, Vol. 201, No. 2, 01.10.2006, p. 470-478.

Research output: Contribution to journalArticle

Noh, Mi Ra ; Kim, Sung Koo ; Sun, Woong ; Park, Soon Kwon ; Choi, Hyung Chol ; Lim, Ji Hyae ; Kim, Il Hwan ; Kim, Hyun Ju ; Kim, Hyun ; Eun, Baik-Lin. / Neuroprotective effect of topiramate on hypoxic ischemic brain injury in neonatal rats. In: Experimental Neurology. 2006 ; Vol. 201, No. 2. pp. 470-478.
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