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Abstract Title:

Cytotoxic and Antitumor Effects of Curzerene from Curcuma longa.

Abstract Source:

Planta Med. 2016 Jun 10. Epub 2016 Jun 10. PMID: 27286338

Abstract Author(s):

Youdi Wang, Jiahong Li, Jiquan Guo, Qiyou Wang, Shuguang Zhu, Siyuan Gao, Chen Yang, Min Wei, Xuediao Pan, Wei Zhu, Dongmei Ding, Ruiping Gao, Wei Zhang, Junye Wang, Linquan Zang

Article Affiliation:

Youdi Wang

Abstract:

Curzerene is a sesquiterpene and component used in oriental medicine. It was originally isolated from the traditional Chinese herbal medicine Curcuma rhizomes. In this study, anticancer activity of curzerene was examined in both in vitro and in vivo models. The result of the MTT assay showed that curzerene exhibited antiproliferative effects in SPC-A1 human lung adenocarcinoma cells in a time-dependent and dose-dependent manner. The anticancer IC50s were 403.8, 154.8, and 47.0 µM for 24, 48, and 72 hours, respectively. The flow cytometry analysis indicated curzerene arrested the cells in the G2/M cell cycle and promoted or induced apoptosis of SPC-A1 cells. The percentage of cells arrested in the G2/M phase increased from 9.26 % in the control group cells to 17.57 % in the cells treated with the highest dose (100 µM) of curzerene. Western blot and RT-PCR analysis demonstrated that curzerene induced the downregulation of GSTA1 protein and mRNA expressions in SPC-A1 cells. Tumor growth was significantly inhibited in SPC-A1 cell-bearing nude mice by using curzerene (135 mg/kg daily), meanwhile, curzerene did not significantly affect body mass and the organs of the mice, which may indicate that curzerene has limited toxicity and side effects in vivo. In conclusion, curzerene could inhibit the proliferation of SPC-A1 human lung adenocarcinoma cells linein both in vitro and in vivo models. Focusing on its relationship with GSTA1, curzerene could induce the downregulation of GSTA1 protein and mRNA expressions in SPC-A1 cells. Curzerene might be used as an anti-lung adenocarcinoma drug candidate compound for further development.

Study Type : Animal Study, In Vitro Study

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Sayer Ji
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