期刊
JOURNAL OF NATURAL MEDICINES
卷 69, 期 3, 页码 332-339出版社
SPRINGER JAPAN KK
DOI: 10.1007/s11418-015-0897-5
关键词
Atractylodes lancea rhizome; Apoptosis; Essential oil; Hinesol; HL-60 cells; JNK
资金
- Ministry of Education, Culture, Sports, Science, and Technology of the Japanese Government
Hinesol is a unique sesquiterpenoid isolated from the Chinese traditional medicine, Atractylodes lancea rhizome. In a previous study, we screened various natural products in human leukemia HL-60 cells and identified an essential oil fraction from A. lancea rhizome that exhibited apoptosis-inducing activity in these cells; hinesol was subsequently shown to be the compound responsible for this apoptosis-inducing activity. In this study, we describe the cytotoxic effects and molecular mechanisms of hinesol in HL-60 cells. The antitumor effect of hinesol was associated with apoptosis. When HL-60 cells were treated with hinesol, characteristic features of apoptosis, such as nuclear fragmentation and DNA fragmentation, were observed. These growth-inhibitory and apoptosis-inducing activities of hinesol in leukemia cells were much stronger than those of beta-eudesmol, another compound isolated from the essential oil fraction. Furthermore, hinesol induced activation of c-Jun N-terminal kinase (JNK), but not p38, prior to the onset of apoptosis. These results suggested that hinesol induced apoptosis through the JNK signaling pathway in HL-60 cells. Therefore, hinesol may represent a novel medicinal drug having indications in the treatment of various cancers, including leukemia.
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