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감마 오리자놀의 위암세포증식억제 및 세포사멸 유도 효능

Effect of γ-oryzanol on Proliferation and Apoptosis of AGS Human Gastric Carcinoma Cell

  • 투고 : 2017.02.02
  • 심사 : 2017.04.04
  • 발행 : 2017.06.30

초록

Gamma (${\gamma}$)-oryzanol is a substance abundant in rice, which is widely cultivated in Asian countries. In this study, we evaluated the effect of ${\gamma}$-oryzanol treatment on proliferation and apoptosis of AGS human gastric carcinoma cells. AGS cells were treated with ${\gamma}$-oryzanol for 72 h in a dose dependent manner. Treatment of ${\gamma}$-oryzanol (50, 100, and $200{\mu}g/mL$) resulted in decreased AGS cell proliferation and increased number of cells in the sub-G1 population. Additionally, apoptotic cells were investigated by annexin V staining and mitochondrial membrane potential assays. Our results indicated that ${\gamma}$-oryzanol treatment increased the number of annexin V-positive cells and depolarized cells. This demonstrated that ${\gamma}$-oryzanol is effective for the induction of apoptosis in AGS cells. We next examined the expression of promising anticancer drug target molecules, including PTEN and HSP90. We found that treatment of ${\gamma}$-oryzanol induced the expression of PTEN in AGS cells. Under the same treatment conditions, ${\gamma}$-oryzanol reduced the expression of HSP90 in AGS cells. These results suggest that ${\gamma}$-oryzanol-induced apoptosis was accompanied by changes in regulation of PTEN and HSP90 in AGS cells. Taken together, ${\gamma}$-oryzanol could be used as a functional substance for the prevention of gastric cancer.

키워드

과제정보

연구 과제 주관 기관 : 한국식품연구원

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피인용 문헌

  1. 오미자 박 추출물 및 schizandrin에 의한 암세포 항성장 및 세포사멸 활성 vol.28, pp.4, 2018, https://doi.org/10.5352/jls.2018.28.4.415