CT1-3, a novel magnolol-sulforaphane hybrid suppresses tumorigenesis through inducing mitochondria-mediated apoptosis and inhibiting epithelial mesenchymal transition.

Cheng Tao, Jian Chen, Xiaofei Huang, Zide Chen, Xinping Li, Yinghong Li, Youqin Xu, Min Ma, Zhengzhi Wu

European journal of medicinal chemistry 2020 Aug 01

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Chemotherapy is recognized as one of the indispensable treatment for solid tumors. However, the emergent drug resistance and undesirable side effects have become a substantial challenge and the bottleneck of cancer chemotherapy. Magnolol (MAG) is a natural polyphenol with various bioactivities. Sulforaphane (SFN) is identified as one of the most effective naturally occurring anticancer agents. In this study, we successfully synthesized the magnolol-sulforaphane (MAG-SFN) hybrid CT1-3, showcasing more efficient anticancer activity than its lead compounds MAG and SFN with IC50 values ranging from 5.10 to 14.06 μM in multiple cancer cells. We also demonstrated that CT1-3 elicited a strong antitumor effect in vivo but has no hepatic and renal toxicity. Furthermore, we found out CT1-3 treatment resulted in reduction of Bcl-2 and XIAP levels, in addition to increase of phospho-JNK and Bax levels, leading to mitochondria-mediated apoptosis in human cancer cells. Moreover, we revealed that CT1-3 could reduce the capacity of migration and invasion of human cancer cells via regulating the E-cadherin/Snail axis. Taken together, we provided strong evidences that the first example of MAG-SFN hybrid CT1-3 is a promising anticancer drug candidate without apparent adverse effects, which suppresses tumorigenesis partly through inducing mitochondria-mediated apoptosis and inhibiting epithelial mesenchymal transition (EMT). Copyright © 2020 Elsevier Masson SAS. All rights reserved.

Citation

Cheng Tao, Jian Chen, Xiaofei Huang, Zide Chen, Xinping Li, Yinghong Li, Youqin Xu, Min Ma, Zhengzhi Wu. CT1-3, a novel magnolol-sulforaphane hybrid suppresses tumorigenesis through inducing mitochondria-mediated apoptosis and inhibiting epithelial mesenchymal transition. European journal of medicinal chemistry. 2020 Aug 01;199:112441