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Sagantang-induced Apoptotic Cell Death is Associated with the Activation of Caspases in AGS Human Gastric Carcinoma Cells
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  • Journal title : Journal of Life Science
  • Volume 25, Issue 12,  2015, pp.1384-1392
  • Publisher : Korean Society of Life Science
  • DOI : 10.5352/JLS.2015.25.12.1384
 Title & Authors
Sagantang-induced Apoptotic Cell Death is Associated with the Activation of Caspases in AGS Human Gastric Carcinoma Cells
Park, Cheol; Hong, Su Hyun; Choi, Sung Hyun; Lee, Se-Ra; Leem, Sun-Hee; Choi, Yung Hyun;
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 Abstract
Sagantang (SGT), a Korean multiherb formula comprising six medicinal herbs, Paeonia lactiflora Pall., Belamcanda chinensis (L.) DC, Gardenia jasminoides Ellis, Poria cocos Wolf, Cimicifuga heracleifolia Komarov, and Artractylodes japonica Koidzumi, was recorded in “Dongeuibogam.” The present study investigated the anticancer potential of SGT in AGS human gastric carcinoma cells. The results indicated that SGT treatment significantly inhibited the growth and viability of AGS cells in a dose-dependent manner, which was associated with the induction of apoptotic cell death, as evidenced by the formation of apoptotic bodies, in addition to chromatin condensation and DNA fragmentation, and the accumulation of annexin-V positive cells. The induction of apoptotic cell death by the SGT treatment was associated with up-regulation of Fas protein expression, truncation of Bid, and down-regulation of the anti-apoptotic Bcl-2 protein. The SGT treatment also effectively induced the loss of mitochondrial membrane potential, which was associated with the activation of caspases (caspase-3, -8, and -9) and degradation of poly (ADP-ribose) polymerase. However, a pan-caspase inhibitor significantly blocked the SGT-induced apoptosis and growth suppression in AGS cells. This study suggests that SGT induces caspase-dependent apoptosis through an extrinsic pathway by upregulating Fas, as well as through an intrinsic pathway by modulating Bcl-2 family members in AGS cells. The results suggest that SGT may be a potential chemotherapeutic agent for the control of human gastric cancer cells. However, further studies will be needed to confirm the potential of SGT in cancer prevention and therapy in an in vivo model and to identify biological active compounds of SGT.
 Keywords
AGS cells;apoptosis;caspase;mitochondrial membrane potential;Sagantang;
 Language
Korean
 Cited by
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