Angelicin inhibits the malignant behaviours of human cervical cancer potentially via inhibiting autophagy

Wang,Yiran; Chen,Yueqi; Chen,Xuedan; Liang,Yan; Yang,Dapeng; Dong,Jiao; Yang,Neng; Liang,Zhiqing

doi:10.3892/etm.2019.7985

Angelicin inhibits the malignant behaviours of human cervical cancer potentially via inhibiting autophagy

Authors:
- Yiran Wang
- Yueqi Chen
- Xuedan Chen
- Yan Liang
- Dapeng Yang
- Jiao Dong
- Neng Yang
- Zhiqing Liang
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Affiliations: Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China, Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China, Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University, Chongqing 400038, P.R. China, Department of Respiratory Medicine, The General Hospital of PLA Rocket Force, Beijing 100088, P.R. China
Published online on: September 6, 2019 https://doi.org/10.3892/etm.2019.7985
Pages: 3365-3374
Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Angelicin is an active compound isolated from the Chinese herb Angelica archangelica, which has been reported to exert antitumor effects by inhibiting malignant behaviors in several types of tumor, including proliferation, colony formation, migration and invasion. However, the effects of angelicin on human cervical cancer cells is yet to be elucidated. The present study evaluated the antitumor effects of angelicin on cervical cancer cells. The results demonstrated that cervical cancer cells were more sensitive to angelicin than cervical epithelial cells. At its IC30, angelicin inhibited the proliferation of HeLa and SiHa cells by blocking the cell cycle at the G1/G0 phase and inhibiting other malignant behaviors, including colony formation, tumor formation in soft agar, migration and invasion. At the IC50, angelicin induced cell death potentially by promoting apoptosis. By identifying the hallmarks of autophagy, it was observed that angelicin treatment caused the accumulation of microtubule associated protein 1 light chain 3‑β (LC3B) in the cytoplasm of HeLa and SiHa cells. Western blotting results demonstrated that cleaved LC3B‑II and autophagy related proteins (Atg)3, Atg7 and Atg12‑5 were upregulated following angelicin treatment. It was also determined that the phosphorylation of mTOR was induced by angelicin treatment. Furthermore, the inhibition of angelicin‑induced mTOR phosphorylation did not disrupt its inhibitory effect on autophagy, indicating that angelicin inhibited autophagy in an mTOR‑independent manner. Taken together, the present results suggested that angelicin regulated malignant behaviors in cervical cancer cells by inhibiting autophagy in an mTOR‑independent manner. Findings suggested that autophagy might be a potential therapeutic target for cervical cancer.

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