Effect of Emi1 gene silencing on the proliferation and invasion of human breast cancer cells

被引:0
作者
Kuang, Ying [1 ]
Huang, Shengwen [1 ]
Tang, Shifan [1 ]
Zhuo, Zhaozhen [1 ]
Linghu, Keyan [1 ]
机构
[1] Guizhou Prov Peoples Hosp, Dept Antenatal Diagnost Ctr, 56 East Zhongshan Rd, Guiyang 550000, Guizhou, Peoples R China
基金
中国国家自然科学基金;
关键词
Emi1; gene; Breast cancer; Proliferation; Invasion; ACCUMULATION; PROTEIN;
D O I
10.1186/s12860-023-00494-1
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Breast cancer is the most common malignant tumour in women. The early silk-splitting inhibitor protein 1 Emi1 is responsible for mediating ubiquitin protein degradation. The present study investigated the effects of the decreased expression of the Emil gene on the proliferation and invasion of breast cancer cells. The interference efficiency of small interfering ribonucleic acid (siRNA) was quantitatively verified using fluorescence real-time quantitative polymerase chain reaction (RT-qPCR) and Western blotting, and the effect of Emi1 gene silencing on cell vitality and invasion was determined using MTT and Transwell assays, respectively. The expression of the proliferation genes programmed cell death receptor 4 (PDCD-4), fatty acid synthase ligand (FasL), PTEN and RhoB, along with the invasive genes Maspin, TIMP3 and RECK, was measured using fluorescence RT-qPCR. In breast cancer cells, siRNA successfully reduced the expression of the Emi1 gene, and the expression level of the cell proliferation genes PDCD-4, FasL, PTEN and RhoB, along with invasive genes Maspin, TIMP3 and RECK, decreased significantly (P < 0.05). Furthermore, Emi1 gene silencing reduced the proliferation and invasion abilities of MDA-MB-231 and SUM149PT cells by reducing the expression of proliferative and invasive genes.
引用
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页数:10
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