Biomedical Science Letters (대한의생명과학회지)

The Korean Society for Biomedical Laboratory Sciences (대한의생명과학회)
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Protective Effect of Kaempferol on Cultured Neuroglial Cells Damaged by Induction of Ischemia-like Condition

  • Son, Young-Woo (Sanbon Hospital, School of Medicine, Wonkwang University) ;
  • Choi, Yu-Ran (Department of Physical Therapy, Graduate School of Daejeon University) ;
  • Seo, Young-Mi (Department of Nursing, College of Medicine, Seonam University)
  • Received : 2017.11.22
  • Accepted : 2017.12.19
  • Published : 2017.12.31
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Abstract

This study was performed to evaluate the cytotoxicity induced by ischemia-like condition (ILC) in cultured neuroglial cells (C6 glioma cells). The protective effect of kaempferol (KAE), flavonoid against the cytotoxicity induced by ILC induction was assessed. In addition, antioxidative effects of KAE were done by colorimetric assays. Cell viability and the antioxidative effects such as DPPH-radical scavenging activity, superoxide dismutase (SOD)-like activity and inhibitory activity of lipid peroxidation (LP) were analyzed. ILC induction decreased cell viability in a dose-dependent manner, and the $XTT_{90}$ value (low cytotoxicity value) and $XTT_{50}$ value (high cytotoxicity value) were determined during ILC induction for 15 and 40 minutes, respectively. The butylated hydroxytoluene (BHT) antioxidant significantly increased cell viability damaged by the ILC-induced cytotoxicity. In the protective effect of KAE on ILC-induced cytotoxicity, KAE protected the ILC-induced cytotoxicity by the significant increase of cell viability, and also it showed DPPH-radical scavenging ability, SOD-like ability and inhibitory ability of LP. From these results, it is suggested that ILC induction showed cytotoxicity in these cultures and the oxidative stress is involved in the ILC-induced cytotoxicity. While, KAE prevented ILC-induced cytotoxicity by antioxidative effects. In conclusion, natural products like KAE may be a putative therapeutic agent for the treatment of disease associated with oxidative stress such as ischemia.

Keywords

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