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Chem Biol Interact. 2019 Feb 1;299:27-36. doi: 10.1016/j.cbi.2018.11.005. Epub 2018 Nov 22.

8-Cetylcoptisine, a new coptisine derivative, induces mitochondria-dependent apoptosis and G0/G1 cell cycle arrest in human A549 cells.

Author information

1
Chongqing Productivity Promotion Center for the Modernization of Chinese Traditional Medicine, School of Pharmaceutical Sciences, Southwest University, Chongqing, 400716, China.
2
School of Life Sciences, Southwest University, Chongqing, 400715, China.
3
Chongqing Productivity Promotion Center for the Modernization of Chinese Traditional Medicine, School of Pharmaceutical Sciences, Southwest University, Chongqing, 400716, China; Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Chongqing, 400716, China. Electronic address: Xuegangli@swu.edu.cn.
4
School of Life Sciences, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center for Pharmaceutical Process and Quality Control, Chongqing, 400716, China. Electronic address: yexiaoli@swu.edu.cn.

Abstract

Lung cancer is the worldwide leading cause of cancer-related death. Here, we described the synthesis and the anticancer activity of a novel coptisine derivative 8-cetylcoptisine (CCOP) on lung carcinoma in vitro and in vivo. CCOP inhibited the cell viability of A549, BGC-823, MDA-MB-231, HCT-116 and HepG2 cell lines. In A549 cells, CCOP induced apoptosis, G0/G1 cell cycle arrest and decreased mitochondrial membrane potential (MMP) in a dose-dependent manner. Western blot analysis showed that CCOP increased the expression of Bcl-2-associated X protein (Bax), cleaved caspase 3 and 9, while decreased B-cell lymphoma 2 (Bcl-2), cyclins D and E, cyclin dependent kinases (CDKs) 2, 4 and 6, along with the inactivation of the upstream phosphoinositide 3-kinase (Pi3k)/protein kinase B (Akt) signaling. Further in vivo studies showed that CCOP (10 mg/kg) significantly delayed tumor growth in A549 xenograft nude mice, which is stronger than that of coptisine (100 mg/kg). These data suggested that CCOP could be a candidate for lung cancer therapy.

KEYWORDS:

8-Cetylcoptisine; Apoptosis; Cell cycle; Coptisine derivative; Lung cancer

PMID:
30472432
DOI:
10.1016/j.cbi.2018.11.005
[Indexed for MEDLINE]

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