期刊
JOURNAL OF NATURAL PRODUCTS
卷 73, 期 5, 页码 995-997出版社
AMER CHEMICAL SOC
DOI: 10.1021/np1000818
关键词
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资金
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [22310133] Funding Source: KAKEN
Overexpression of glioma-associated oncogene 1 (GLI1), which has been characterized as a terminal effector and a target gene of the Hedgehog (Hh) signaling pathway, is associated with the development of cancer. A cellular screen was applied utilizing of a GLI-dependent luciferase reporter in human keratinocyte cells (HaCaT) and identified two terpenoids (1 and 2) and a flavonoid glycoside (5) from Acacia pennata as Hh/GLI inhibitors. Compounds 1, 2, and 5 exhibited selective cytotoxicity against human pancreatic (PANC1) and prostate (DU145) cancer cells with no toxic effect on normal cells. This result was consistent with a dose-dependent reduction of the protein levels of antiapoptotic BCL-2 and the tumor suppressor patched 1 protein (PTCH). Additionally, treatment of 1 downregulated mRNA expression of Ptch in PANC1, suggesting that the compound has an inhibitory effect on the transcription of Hh/GLI.
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