Cedrol suppresses glioblastoma progression by triggering DNA damage and blocking nuclear translocation of the androgen receptor

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题名:	Cedrol suppresses glioblastoma progression by triggering DNA damage and blocking nuclear translocation of the androgen receptor
作者:	Kai-Fu Chang;Xiao-Fan Huang;Jinghua Tsai Chang;Ya-Chih Huang;Jun-Cheng Weng;Nu-Man Tsai
日期:	2020-12
上传时间:	2023-02-14T08:13:11Z (UTC)
摘要:	Glioblastoma (GBM) is the most common and aggressive primary brain tumor with great invasiveness and resistance to chemotherapy, which presents a treatment challenge. In this study, we investigated the antitumor effect of Cedrol, a sesquiterpene alcohol isolated from Cedrus atlantica, against GBM cells in vitro and in vivo. Cedrol was found to potently inhibit cell growth and induce intracellular ROS generation and DNA damage response. In addition, Cedrol induced significant G0/G1 cell cycle arrest and cell apoptosis via the extrinsic (Fas/FasL/Caspase-8) and intrinsic (Bax/Bcl-2/Caspase-9) pathways. In addition, Cedrol had a synergistic effect with temozolomide (TMZ) and reduced drug resistance by blockage of the AKT/mTOR pathway. Cedrol suppressed tumor growth in both orthotopic and xenograft GBM animal models with low or no short-term acute toxicity or long-term accumulative toxicity. In a molecular docking study, Cedrol targeted the androgen receptor (AR), and reduced DHT-mediated AR nuclear translocation, downstream gene KLK3/TMPRSS2 expression and cell proliferation. Our study demonstrates that Cedrol may be a potential candidate for drug development for single or combination treatment with TMZ in GBM therapy.
URI:	https://ir.csmu.edu.tw:8080/handle/310902500/25311
显示于类别:	[中山醫學大學教師升等著作] 文獻

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