Effect of Sulfur Enriched Young Radish Kimchi on the Induction of Apoptosis in AGS Human Gastric Adenocarcinoma Cells

  • Bak, Soon-Sun (Department of Food Science and Nutrition, and Kimchi Research Institute, Pusan National University) ;
  • Kong, Chang-Suk (Research Institute of Marine Science and Technology, Korea Maritime University) ;
  • Rhee, Sook-Hee (Department of Food Science and Nutrition, and Kimchi Research Institute, Pusan National University) ;
  • Rho, Chi-Woong (Research Center for Exportable Agricultural Crops (RCEC), Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Kim, Nak-Ku (Department of Food Science and Nutrition, and Kimchi Research Institute, Pusan National University) ;
  • Choi, Keyng-Lag (Department of Food Science and Nutrition, and Kimchi Research Institute, Pusan National University) ;
  • Park, Kun-Young (Department of Food Science and Nutrition, and Kimchi Research Institute, Pusan National University)
  • Published : 2007.06.30


The effects of young radish (YR, yeolmu in Korean) on the induction of apoptosis were examined in AGS human gastric adenocarcinoma cells. The young radish kimchi (YRK) were made of YR cultivated in the soil without (Control YR kimchi: C-YRK) and with 1,818 g/m$^{3}$ sulfur (Sulfur YR kimchi: S-YRK), respectively. Methanol extracts from S-YRK exhibited higher inhibitory effect on the growth of AGS human gastric adenocarcinoma cells in a time dependent-manner compared to C-YRK at the same concentration. 4,6-diamidino-2-phenylindole (DAPI) staining showed that S-YRK induced apoptosis accompanied by the increased Bax but decreased Bcl-2 in mRNA expression. Moreover, S-YRK decreased the levels of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) mRNA expressions. The results suggested that S-YRK cultivated in the presence of sulfur elicited stronger anticancer activity than C-YRK in vitro. Dietary intakes of S-YRK may be beneficial to decrease the risk of cancer.


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