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Jin F, Zhu G, Li D, Ni T, Dai X, Wang H, Feng J, Qian Y, Yang L, Guo S, Hisamitsu T, Liu Y. Celastrus orbiculatus extracts induce cell cycle arrest and apoptosis in human esophageal squamous carcinoma ECA-109 cells in vitro via the PI3K/AKT/mTOR signaling pathway. Oncol Lett 2018; 15:1591-1599. [PMID: 29434854 PMCID: PMC5774469 DOI: 10.3892/ol.2017.7459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 07/11/2017] [Indexed: 11/30/2022] Open
Abstract
Recently, Celastrus orbiculatus ethyl acetate extracts (COE) have been investigated for their anticancer effects on digestive tract tumors. However, the therapeutic effects of COE on esophageal squamous carcinoma cells (ESCC) have not been investigated. In the present study, the effects of COE on the cell cycle and apoptosis of ESCCs were assessed in vitro, and it was revealed that COE treatment triggered G0/G1 cell cycle arrest, and induced DNA damage and apoptosis in a dose-dependent manner in ESCC. Activation of the phosphatidylinositol 3-kinase/protein kinase-B/mechanistic target of rapamycin (mTOR) pathway was also suppressed by COE. Additionally, the combined treatment with COE and rapamycin (an mTOR inhibitor) acted synergistically in ECA-109 cells compared with the treatment with COE or rapamycin alone. These findings extend the understanding of the action of COE and suggest that COE has potential as a treatment option for ESCC as a single treatment or in combination.
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Affiliation(s)
- Feng Jin
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Guang Zhu
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Dan Li
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Tengyang Ni
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Xiaojun Dai
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China.,Department of Oncology, Yangzhou Hospital of Traditional Chinese Medicine, Yangzhou, Jiangsu 225009, P.R. China
| | - Haibo Wang
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Jun Feng
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Yayun Qian
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Lin Yang
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Shiyu Guo
- Department of Physiology, Showa University, Tokyo 142-8555, Japan
| | | | - Yanqing Liu
- Institute of Traditional Chinese Medicine and Western Medicine, School of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
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