Abstract:
:Dendropanax morbifera Leveille is found throughout southwestern Korea, and has been used in traditional medicine for various diseases, such as migraine headache, infectious diseases, skin diseases and dysmenorrhea. However, the molecular mechanisms of D. morbifera concerning its biochemical actions in cancer have not yet been clearly elucidated. In the present study, we investigated the pro-apoptotic effects of an ethanol extract of D. morbifera stem bark (EEDM) on human leukemia U937 cells. EEDM markedly inhibited the growth of U937 cells by decreasing cell proliferation and inducing apoptosis. EEDM-induced apoptosis in U937 cells was associated with the upregulation of death receptor-related protein levels and downregulation of anti-apoptotic IAP family proteins. The increase in apoptosis was also associated with proteolytic activation of caspase-8, -9 and -3, inhibition of anti‑apoptotic Bcl-2 and Bcl-xL expression, Bid cleavage, and loss of MMP suggesting that apoptosis of U937 cells induced by EEDM was through the extrinsic and intrinsic pathways. However, a pan-caspase inhibitor, z-VED-fmk, significantly inhibited EEDM-induced U937 cell apoptosis indicating that the caspases were key regulators of apoptosis in response to EEDM in U937 cells. Our data suggest that D. morbifera may be a potential anticancer agent for cancer treatment.
journal_name
Oncol Repjournal_title
Oncology reportsauthors
Lee JW,Park C,Han MH,Hong SH,Lee TK,Lee SH,Kim GY,Choi YHdoi
10.3892/or.2013.2542subject
Has Abstractpub_date
2013-09-01 00:00:00pages
1231-8issue
3eissn
1021-335Xissn
1791-2431journal_volume
30pub_type
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