Calcium channel blockers improve hypoxia/hypoglycemia-induced impairment of rat hippocampal 2-deoxyglucose uptake in vitro after ethanol withdrawal

Shigenobu Shibata*, Tomomi Shindou, Keiko Tominaga, Shigenori Watanabe

*この研究の対応する著者

研究成果: Article査読

12 被引用数 (Scopus)

抄録

The aim of the present study was to determine whether calcium channel antagonists attenuated hypoxia/hypoglycemia- or glutamate-induced reduction in 2-deoxyglucose (2-DG) uptake of hippocampal slices obtained from ethanol withdrawal rats. Ethanol withdrawal significantly potentiated the hypoxia/hypoglycemia- and glutamate-induced reductions in 2-DG uptake of hippocampal slices. Both nifedipine and flunarizine exhibited attenuating effects on ethanol withdrawal-induced potentiation of impairment of 2-DG uptake caused by hypoxia/hypoglycemia or glutamate. Hypoxia/hypoglycemia-induced deficit of 2-DG uptake was prevented by ethanol, but chronic consumption of ethanol resulted in the development of tolerance to neuroprotective effect. These findings suggest that the increased sensitivity of neurons to ischemic damage by ischemia may involve in the increased activity of calcium channels in the hippocampus.

本文言語English
ページ(範囲)320-324
ページ数5
ジャーナルBrain Research
673
2
DOI
出版ステータスPublished - 1995 3 6
外部発表はい

ASJC Scopus subject areas

  • 神経科学(全般)
  • 分子生物学
  • 臨床神経学
  • 発生生物学

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