NDLI: Icariin Synergizes with Arsenic Trioxide to Suppress Human Hepatocellular Carcinoma

Content Provider	Springer Nature Link
Author	Li, Wen Wang, Min Wang, Lingyun Ji, Shusheng Zhang, Junyong Zhang, Chunqing
Copyright Year	2013
Abstract	Hepatocellular carcinoma (HCC) is an aggressive malignancy with high chemoresistance to chemotherapeutics. Arsenic trioxide (ATO) is of therapeutic potential for the treatment of HCC; however, the therapeutic benefit of ATO is very limited due to narrow therapeutic window. Icariin is a natural compound which inhibits tumour cell growth and induces apoptotic cell death in a variety of cancer cells. This study was designed to determine whether Icariin can potentiate the antitumour activity of ATO in HCC treatment. Cell proliferation and apoptosis were measured using an MTT assay and flow cytometry respectively. Changes in reactive oxygen species (ROS) level and mitochondrial membrane potential were analysed by fluorescence signals. Protein expression was measured by western blotting and NF-κB activity was determined by ELISA assay. In addition, the antitumour effect of combination treatment with Icariin and ATO on HCC was evaluated using a murine HCC cancer xenograft model. Icariin inhibited proliferation and induced apoptosis in both of the tested HCC cell lines in a dose-dependent fashion. Icariin enhanced the antitumour activity of ATO both in vitro and in vivo. The antitumour activity of Icariin and its enhancement of the antitumour activity of ATO correlated with the generation of intracellular ROS and inhibition of NF-κB activity. Our results showed that Icariin potentiated the antitumour activity of ATO in HCC. Therefore, we propose that the combination treatment with Icariin and ATO might facilitate the optimization of ATO therapy for patients with HCC.
Starting Page	427
Ending Page	436
Page Count	10
File Format	PDF
ISSN	10859195
Journal	Cell Biochemistry and Biophysics
Volume Number	68
Issue Number	2
e-ISSN	15590283
Language	English
Publisher	Springer US
Publisher Date	2013-08-22
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hepatocellular carcinoma Icariin Arsenic trioxide ROS NF-κB Synergistic effect Biochemistry Pharmacology/Toxicology Biotechnology Cell Biology Biophysics and Biological Physics
Content Type	Text
Resource Type	Article
Subject	Cell Biology Medicine Biochemistry Biophysics

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