Changes in pyridoxal kinase immunoreactivity in the gerbil hippocampus following spontaneous seizure

Tae Cheon Kang, Seung Kook Park, In Koo Hwang, Sung Jin An, Jae Hoon Bahn, Dae Won Kim, Soo Young Choi, Oh Shin Kwon, Nam In Baek, Hyeon Yong Lee, Moo Ho Won

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

To identify the roles of pyridoxal kinase (PLK) in epileptogenesis and the recovery mechanisms in spontaneous seizure, a chronological and comparative analysis of PLK expression in the gerbil hippocampus was conducted. PLK immunoreactivity in a pre-seizure group of seizure sensitive (SS) gerbils was more strongly detected than that in a seizure resistant (SR) group. The density of PLK immunoreactivity in a 30-min postictal group was significantly lower than that of a pre-seizure group. In a 12 h postictal group, PLK immunodensity recovered to pre-seizure level. The over-expression of PLK in the hippocampus of pre-seizure SS gerbils suggests that PLP play an important role in the modulation of GAD activity and GABA reuptake as mediated by membrane transporter via neurons.

Original languageEnglish
Pages (from-to)242-250
Number of pages9
JournalBrain Research
Volume957
Issue number2
DOIs
StatePublished - 13 Dec 2002

Keywords

  • Epileptogenesis
  • Gerbil
  • Hippocampus
  • Pyridoxal 5′-phosphate
  • Pyridoxal kinase
  • Seizure

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