Coronarin D induces reactive oxygen species-mediated cell death in human nasopharyngeal cancer cells through inhibition of p38 MAPK and activation of JNK.

doi:10.18632/oncotarget.22444

中山醫學大學機構典藏 CSMUIR > 醫學科技學院 > 醫學檢驗暨生物技術學系暨碩士班 > 期刊論文 > Item 310902500/20261

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题名:	Coronarin D induces reactive oxygen species-mediated cell death in human nasopharyngeal cancer cells through inhibition of p38 MAPK and activation of JNK.
作者:	JC, Chen MC, Hsieh SH, Lin CC, Lin YT, Hsi YS, Lo YC, Chuang MJ, Hsieh MK, Chen
关键词:	Coronarin D;nasopharyngeal carcinoma;apoptosis;autophagy
日期:	2017-11
上传时间:	2019-07-16T07:50:00Z (UTC)
出版者:	Oncotarget
ISSN:	1949-2553
摘要:	BACKGROUND AND PURPOSE: Nasopharyngeal carcinoma (NPC) belongs to squamous cell carcinoma that occurs in the epithelial lining of the nasopharynx. Because of the anatomical position close to the cervical lymph node, some patients have a distant metastasis at the time of diagnosis that leads to treatment failure. Although early stages have a high curability and excellent prognosis, advanced NPC urgently requires new drugs developed to reinforce the effectiveness of therapy without noticeable side effects. EXPERIMENTAL APPROACH: Coronarin D (CD), a natural product extracted from the rhizomes of Hedychium coronarium, has been reported to possess anticancer potential. The aim of the present study was to determine the anticancer activity of CD and further elucidate the underlying molecular mechanisms. KEY RESULTS: In this study, we first demonstrated that CD potently suppressed cell viability in various NPC cell lines. Treatment of cells with CD induced G2/M arrest, apoptosis, and autophagy. Further studies showed that CD increased the production of reactive oxygen species and subsequently activated both autophagy and apoptosis. Moreover, we found that CD-induced activation of p38 and JNK constituted major mechanisms involved in the apoptosis and autophagy triggered by CD. In particular, inhibition of autophagy could strengthen the cytotoxicity of CD, implying that autophagy seems to play a valuable survival and protective role in cancer cells. CONCLUSIONS & IMPLICATIONS: These findings provide a promise for the use of CD in combination with autophagy inhibitors for treatment of human NPC cell lines.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/20261
關聯:	Oncotarget, vol.8, issue 64, 108006-108019
显示于类别:	[醫學檢驗暨生物技術學系暨碩士班] 期刊論文

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