Abstract Title:

Efficacy of Antioxidants as a Complementary and Alternative Medicine (CAM) in Combination With the Chemotherapeutic Agent Doxorubicin.

Abstract Source:

Integr Cancer Ther. 2014 Dec 25. Epub 2014 Dec 25. PMID: 25542609

Abstract Author(s):

Ming-Thau Sheu, Hua-Jing Jhan, Chien-Ming Hsieh, Chien-Ju Wang, Hsiu-O Ho

Article Affiliation:

Ming-Thau Sheu

Abstract:

Introduction. Although doxorubicin (Dox)-induced cardiac toxicity and pegylated liposomal doxorubicin (PLD)-induced hand-foot syndrome (HFS) were reported to be correlated with reactive oxygen species (ROS) generation, there is no effective preventive treatment at present. Therefore, the aim of this study was to investigate whether antioxidants-resveratrol (RSVL), tetrahydroxystilbene glucoside (THSG), curcumin, and the ethanolic extract of Antrodia cinnamomea (EEAC)-have the ability to reduce Dox-induced ROS and have a synergistic anticancer effect with Dox that could prevent those side effects and enhance the efficacy of cancer treatment. Methods. 3T3 normal cells were used as a model to evaluate the effects of these antioxidants in reducing ROS accumulation. Furthermore, the synergistic anticancer effect of antioxidants with Dox on the MCF-7 breast cancer model was also evaluated. Results. Pretreatment of cells with RSVL, curcumin, and EEAC increased the cell antioxidant ability by improving the activity of superoxide dismutase (SOD), prevented or limited intracellular damage, and ameliorated the harmful effects of ROS. Additionally, RSVL, curcumin, and EEAC had synergistic effects with Dox against MCF-7 breast cancer cells. Conclusion. RSVL, curcumin, and EEAC have the potential to be clinically applied to prevent cardiac toxicity and HFS and enhance the anticancer efficiency of Dox.

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