Genistein inhibits lung cancer cell stem-like characteristics by modulating MnSOD and FoxM1 expression

被引：32

作者：

Fu, Zhimin ^{[1
,2
,3
]}

Cao, Xiaocheng ^{[4
,5
,6
]}

Liu, Lihua ^{[7
]}

Cao, Xiaozheng ^{[7
]}

Cui, Yinghong ^{[5
,6
]}

Li, Xiang ^{[5
,6
]}

Quan, Meifang ^{[5
,6
]}

Ren, Kaiqun ^{[5
,6
]}

Chen, A. ^{[5
,6
]}

Xu, Chang ^{[5
,6
]}

Qiu, Yebei ^{[5
,6
]}

Chen, Xiangding ^{[3
]}

Wang, Zheng ^{[8
]}

Cao, Jianguo ^{[5
,6
]}

机构：

[1] First Peoples Hosp Chenzhou, Dept Cardiothorac Surg, Chenzhou 423000, Hunan, Peoples R China

[2] Jinan Univ, Dept Cardiothorac Surg, Affiliated Hosp 1, Guangzhou 510630, Guangdong, Peoples R China

[3] Southern Med Univ, Dept Thorac Surg, Pingshan Gen Hosp, Shenzhen 518118, Guangdong, Peoples R China

[4] Hunan Normal Univ, Lab Mol & Stat Genet, Changsha 410081, Hunan, Peoples R China

[5] Hunan Normal Univ, Med Coll, Dept Pharmaceut Sci, 199 Tongzipo Rd, Changsha 410013, Hunan, Peoples R China

[6] Key Lab Study & Discover Small Targeted Mol Hunan, Changsha 410013, Hunan, Peoples R China

[7] Jinan Univ, Shenzhen Peoples Hosp, Dept Pharmacol, Clin Med Coll 2, Shenzhen 518020, Guangdong, Peoples R China

[8] Jinan Univ, Shenzhen Peoples Hosp, Dept Thorac Surg, Clin Med Coll 2, 1017 Dongmeng North Rd, Shenzhen 518020, Guangdong, Peoples R China

来源：

ONCOLOGY LETTERS | 2020年 / 20卷 / 03期

关键词：

lung cancer; genistein; cancer stem cell; MnSOD; FoxM1; 7-DIFLUOROMETHOXYL-5,4'-DI-N-OCTYL GENISTEIN; CERVICAL-CANCER; PROGRESSION; OVEREXPRESSION; IDENTIFICATION; SUPPRESSION; SENESCENCE; PHENOTYPE; APOPTOSIS; GROWTH;

D O I：

10.3892/ol.2020.11802

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Manganese superoxide dismutase (MnSOD) promotes invasive and migratory activities by upregulating Forkhead box protein M1 (FoxM1) expression. The present study investigated whether modulation of MnSOD and FoxM1 expression was responsible for the antitumor effects of genistein on cancer stem-like cells (CSLCs) derived from non-small cell lung cancer cells (NSCLCs). Spheroids prepared from H460 or A549 cells were defined as lung cancer stem-like cells (LCSLCs) and were treated with genistein. The Cell Counting Kit-8 assay was performed to assess human lung fibroblast IMR-90 cell proliferation, as well as NSCLC H460 and A549 cell proliferation following treatment with genistein. MnSOD, FoxM1, cluster of differentiation (CD)133, CD44, BMI1 proto-oncogene, polycomb ring finger (Bmi1) and Nanog homeobox (Nanog) protein expression levels were examined via western blotting. The sphere formation assay was conducted to evaluate LCSLC self-renewal potential, and LSCLC migratory and invasive activities were analyzed using the wound healing and Transwell invasion assays, respectively. Knockdown and overexpression of MnSOD and FOXM1 via short hairpin-RNA or cDNA transfection were performed. The results indicated that genistein (80 and 100 mu M) suppressed H460 and A549 cell viability compared with IMR-90 cells. Sub-cytotoxic concentrations of genistein (20 and 40 mu M) inhibited sphere formation activity and decreased the protein expression levels of CD133, CD44, Bmi1 and Nanog in LCSLCs compared with the control group. Genistein also suppressed the migratory and invasive activities of LCSLCs compared with the control group. MnSOD and FoxM1 overexpression antagonized the effects of genistein (40 mu M), whereas MnSOD and FoxM1 knockdown enhanced the inhibitory effects of genistein (20 mu M) on CSLC characteristics of LCSLCs. Overall, the results suggested that genistein suppressed lung cancer cell CSLC characteristics by modulating MnSOD and FoxM1 expression levels.

引用

页码：2506 / 2515

页数：10

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