Esculin inhibits proliferation of triple negative breast cancer cells by down-regulating FBI-1
10.3760/cma.j.cn112152-20191001-00642
- VernacularTitle:秦皮甲素通过下调人类免疫缺陷病毒短转录诱导物连接因子1抑制三阴性乳腺癌细胞增殖
- Author:
Miao MO
1
;
Maojian CHEN
;
Yi HUANG
;
Wei JIANG
;
Qinghong QIN
;
Zhijie LIANG
;
Weiping YANG
;
Changyuan WEI
Author Information
1. 广西医科大学附属肿瘤医院乳腺外科，南宁 530021
- Keywords:
Esculin;
Triple negative breast cancer;
Proliferation;
FBI-1;
P53;
P21
- From:
Chinese Journal of Oncology
2020;42(8):629-634
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the effect of esculin on the proliferation of triple negative breast cancer cells and its molecular mechanism.Methods:MDA-MB-231 cells were treated with 28, 56, 112, 225, 450 and 900 μmol/L of esculin for 24, 48 and 72 h, respectively, and the cell viability was detected by cell counting kit 8 (CCK-8) assay. In addition, MDA-MB-231 cells were treated with 0, 225, 450 and 900 μmol/L of esculin for 48 h. And then the changes in cell morphology were observed by inverted microscope. The clone-forming ability was detected by colony formation assay. The mRNA expression levels of FBI-1, p53 and p21 were detected using real-time fluorescence quantitative polymerase chain reaction. The protein expression levels of FBI-1, p53, p21 and Ki67 were detected by western blot.Results:Compared with the blank control group, the cell viability of MDA-MB-231 cells that treated with esculin significantly decreased in a dose-dependent and time-dependent manners. After treatment with esculin, MDA-MB-231 cells shrunk, flattened, adhered poorly to the culture dish and the cell spacing became larger. Meanwhile, shedding and incomplete cells appeared, of which 900 μmol/L of esculin treatment group showed the most dramatic changes. In addition, the colony formation ratios were decreased to (77.18±5.13)%, (65.94±4.98)% and (45.92±3.70)% in the 225, 450 and 900 μmol/L of esculin treatment groups compared with blank control, respectively ( P<0.01). Furthermore, the mRNA and protein expressions of FBI-1 increased, while the levels of p53 and p21 mRNA and protein, as well as the protein expression of Ki67 decreased in a concentration-dependent manner ( P<0.01). Conclusion:Esculin may regulate cell cycle-related p53-p21 pathway via FBI-1 mediated DNA replication, thus inhibit the proliferation of triple negative breast cancer cells.
