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KMID : 1144820220280020092
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대한의생명과학회지
2022 Volume.28 No. 2 p.92 ~ p.100
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Ginkgo biloba Leaf Extract Regulates Cell Proliferation and Gastric Cancer Cell Death
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Kim Da-Hyun
Yang Eun-Ju
Lee Jin-Ah
Chang Jeong-Hyun
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Abstract
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Ginkgo biloba Leaf Extract (GBE) is an extract from leaves of the Ginkgo biloba tree, widely used as a health supplement. GBE can inhibit the proliferation of several types of tumor cell. Although it is known to have anti-cancer effects in breast cancer and skin cancer, research related to gastric cancer is still insufficient. Based on results showing anti-cancer effects on solid cancer, we aimed to determine whether GBE has similar effects on gastric cancer. In this study, the anti-cancer effect of GBE in gastric adenocarcinoma was investigated by confirming the cell proliferation inhibitory effect of AGS cells. We also evaluated whether GBE regulates expression of the tumor suppressor protein p53 and Rb. GBE has apoptotic effects on AGS cells that were confirmed by changes in anti-apoptosis protein Bcl-2, Bcl-xl and pro-apoptosis protein Bax levels. Wound healing and cell migration were also decreased by treatment with GBE. Furthermore, we verified the effects of GBE on mitogenic signaling by investigating AKT target gene expression levels and revealed downregulated Sod2 and Bcl6 expression. We also confirmed that expression of inflammation-related genes decreased in a time-dependent manner. These results indicate that GBE has an anti-cancer effect on human gastric cancer cell lines. Further research on the mechanism of the anti-cancer effect will serve as basic data for possible anti-cancer drug development.
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KEYWORD
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AGS, Cell proliferation, Gastric cancer, Ginkgo biloba Leaf Extract (GBE)
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