The Extract of Kochia scoparia Fruit Induces Programmed Necrosis in Oral Squamous Cell Carcinoma Cells

서지정보

ㆍ발행기관 : 대한구강악안면병리학회 ㆍ수록지정보 : 대한구강악안면병리학회지 / 40권 / 6호
ㆍ저자명 : Hye-Yeon Han, Bong-Soo Bark, Hyung Joon Kim, Seung-Hwa Jeong, Jiyeon Kim, Sung-Hee Jeong, Gyoo Cheon Kim, Dae-Seok Hwang, Uk-Kyu Kim, Hyungwoo Kim, Mi Heon Ryu

영어 초록

The fruit of Kochia scoparia Scharder is traditionally used as a medicinal ingredient to treat allergic skin diseases and inflammatory diseases in China, Japan and Korea. Recently, several studies reported that K. scoparia had potential for the cytotoxicity of human cancer cells. To investigate the anti-cancer effect of K. scoparia on oral cancer and to determine the specific type of cell death induced by MEKS treatment. We investigated the anti-cancer effects of K. scoparia, methanol extract (MEKS) in HSC4 human oral cancer cells. We examined the effects of MEKS on the proliferation rate, cell cycle arrest, 7-AAD-ANNEXIN V double stain, reactive oxygen species (ROS) generation and activation of apoptosis and necroptosis-associated proteins in HSC4 cells. MTT assay results demonstrated that MEKS decreased the proliferation rates of HSC4 cells in a dose-dependent manner with an IC50 value of 45.3 μg/ml. MEKS at 50 μg/ml significantly increased the sub-G1 DNA contents of HSC4 cells to 84.8%, versus untreated cells. However, the activation of apoptosis-associated proteins such as cleaved caspase 3, cleaved caspase 8, cleaved caspase 9 and cleaved Poly (ADP-ribose) polymerase (PARP) did not detect. The level of Bax protein markedly increased in MEKS-treated HSC4 cells. In addition, the cell viability of the DPQ pre-treated HSC4 cells with MEKS treatment was significantly greater than that of MEKS treated-cells. These results suggest that MEKS inhibits cell proliferation and induces necroptosis in oral cancer cells and that MEKS may have potential chemotherapeutic value for the treatment of human oral cancer.

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