Effect of Emodin on Hydrogen Peroxide Production in Polyinosinic-Polycytidylic acid-induced Human Neuroblastoma SH-SY5Y Cells

Emodin이 polyinosinic-polycytidylic acid로 유발된 인간 신경모세포종 SH-SY5Y의 hydrogen peroxide 생성증가에 미치는 영향

  • Lee, Ji-Young (Department of Pathology, College of Oriental Medicine, Kyungwon University) ;
  • Kim, Young-Jin (Department of Pathology, College of Oriental Medicine, Kyungwon University) ;
  • Park, Wan-Su (Department of Pathology, College of Oriental Medicine, Kyungwon University)
  • 이지영 (경원대학교 한의과대학 병리학교실) ;
  • 김영진 (경원대학교 한의과대학 병리학교실) ;
  • 박완수 (경원대학교 한의과대학 병리학교실)
  • Received : 2011.10.22
  • Accepted : 2011.11.23
  • Published : 2011.12.25

Abstract

The purpose of this study is to investigate the modulatory effect of emodin on hydrogen peroxide production in human blastoma SH-SY5Y cells induced by the synthetic analog of double-stranded RNA [polyinosinic-polycytidylic acid]. Hydrogen peroxide production was measured by dihydrorhodamine 123 (DHR) assay. Emodin significantly inhibited the polyinosinic-polycytidylic acid (PIC)-induced production of hydrogen peroxide for 0.5, 2, 12, 18, and 24 hr incubation at the concentrations of 5, 10, 25, and 50 uM in SH-SY5Y (P < 0.05) in dose dependent manner. These results suggest that emodin has neuroprotective property related with its inhibition of hydrogen peroxide production in PIC-induced neuronal cells.

Keywords

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