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ERCC6L promotes the progression of hepatocellular carcinoma through activating PI3K/AKT and NF-κB signaling pathway.
BMC Cancer ( IF 3.4 ) Pub Date : 2020-09-05 , DOI: 10.1186/s12885-020-07367-2
Han Chen 1 , Hengxiao Wang 1 , Xiqiao Yu 1 , Shuping Zhou 1 , Yueying Zhang 1 , Zhaopeng Wang 1 , Shuhong Huang 1 , Zhaoxia Wang 1
Affiliation  

Excision Repair Cross-Complementation group 6-like (ERCC6L) has been shown to exhibit carcinogenic effect in several malignant tumors. However, the function and molecular mechanism of the ERCC6L in hepatocellular carcinoma (HCC) have not been investigated extensively. Immunohistochemistry analyses were used to detect ERCC6L expression in a HCC tissue microarray, and the Chi-square test was used to assess the correlation between ERCC6L expression and patients’ clinicopathological features. shRNA was used to down-regulation ERCC6L expression in HCC cell lines. MTT assay, plate clone formation assay, flow cytometry, caspase 3/7 activity and migration assays were performed to evaluate the impact of ERCC6L on HCC cells in vitro. Nude mice xenograft models were used to assess the role of ERCC6L in vivo. The regulatory of mechanism of PI3K/AKT pathway was evaluated by western blotting. ERCC6L was highly expressed in HCC tissue compared with tumor adjacent tissues in 90 paired samples. ERCC6L expression positively correlated with gender, tumor encapsulation, and pathological stage. Patients with low ERCC6L expression had significantly longer OS than those with high ERCC6L expression. Knockdown of ERCC6L expression significantly inhibited proliferation, invasion and metastasis in vitro and tumor growth in vivo, and it promoted cell cycle arrest and apoptosis. Mechanistic analyses revealed that PI3K/AKT and NF-κB signaling pathway were inhibited by silencing ERCC6L. These results demonstrate that ERCC6L plays a critical role in HCC progression, and thereby might be a potential therapeutic target for HCC patients.

中文翻译:

ERCC6L通过激活PI3K / AKT和NF-κB信号通路促进肝细胞癌的发展。

切除修复交叉互补组6样(ERCC6L)已显示出对多种恶性肿瘤具有致癌作用。但是,ERCC6L在肝细胞癌(HCC)中的功能和分子机制尚未得到广泛研究。免疫组织化学分析用于检测HCC组织微阵列中ERCC6L的表达,卡方检验用于评估ERCC6L的表达与患者临床病理特征之间的相关性。shRNA被用于下调HCC细胞系中ERCC6L的表达。进行MTT测定,板克隆形成测定,流式细胞术,胱天蛋白酶3/7活性和迁移测定以评估ERCC6L在体外对HCC细胞的影响。裸鼠异种移植模型用于评估ERCC6L在体内的作用。通过蛋白质印迹评估PI3K / AKT途径的机制的调节。与90个配对样品中的肿瘤邻近组织相比,ERCC6L在HCC组织中高表达。ERCC6L的表达与性别,肿瘤包膜和病理分期呈正相关。ERCC6L表达低的患者的OS明显长于ERCC6L表达高的患者。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。与90个配对样品中的肿瘤邻近组织相比,ERCC6L在HCC组织中高表达。ERCC6L的表达与性别,肿瘤包膜和病理分期呈正相关。ERCC6L表达低的患者的OS明显长于ERCC6L表达高的患者。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。与90个配对样品中的肿瘤邻近组织相比,ERCC6L在HCC组织中高表达。ERCC6L的表达与性别,肿瘤包膜和病理分期呈正相关。ERCC6L表达低的患者的OS明显长于ERCC6L表达高的患者。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。ERCC6L的表达与性别,肿瘤包膜和病理分期呈正相关。ERCC6L表达低的患者的OS明显长于ERCC6L表达高的患者。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。ERCC6L的表达与性别,肿瘤包膜和病理分期呈正相关。ERCC6L表达低的患者的OS明显长于ERCC6L表达高的患者。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。抑制ERCC6L表达可显着抑制体外增殖,侵袭和转移以及体内肿瘤的生长,并促进细胞周期停滞和凋亡。机理分析表明,沉默ERCC6L可抑制PI3K / AKT和NF-κB信号通路。这些结果表明,ERCC6L在肝癌的进展中起关键作用,因此可能成为肝癌患者的潜在治疗靶标。
更新日期:2020-09-06
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