Abstract
Japonicone A, which is a natural product isolated from the aerial part of Inula japonica Thunb., has a wide range of clinical applications, including anti-inflammation and anti-oxidation. This study investigated the effects of japonicone A on the growth of non-small cell lung cancer (NSCLC) cell lines. The results showed that japonicone A significantly inhibited the growth of NSCLC cell lines in a dose- and time-dependent manner. This product also blocked cell cycle progression at S phase and induced mitochondrial-related apoptosis by upregulating Bax, cleaved caspase-9, cleaved caspase-3, and cleaved poly(ADP-ribose) polymerase (PARP) protein levels and by downregulating Bcl-2, cyclin D1, CDC25A, and CDK2 protein levels. In vivo, japonicone A suppressed tumor growth via the same mechanism as that observed in vitro. In conclusion, our study is the first to report that japonicone A has an inhibitory effect on the growth of NSCLC cells, indicating that japonicone A administration is a potential therapeutic approach for future NSCLC treatments.
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This work was supported by the National Natural Science Foundation of China (No. 81402403), Shanghai Rising-Star Program (No. 15QA1403100), and the Natural Science Foundation of Shanxi Province (Nos. 20110313013-3 and 2014021037-3).
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Maolan Li and Jianqiang Li jointly directed this work.
Yan Du and Jiannan Gong contributed equally to this work.
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Du, Y., Gong, J., Tian, X. et al. Japonicone A inhibits the growth of non-small cell lung cancer cells via mitochondria-mediated pathways. Tumor Biol. 36, 7473–7482 (2015). https://doi.org/10.1007/s13277-015-3439-6
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DOI: https://doi.org/10.1007/s13277-015-3439-6