The transcription factor TBP promotes hepatocellular carcinoma progression by activating AKT3

被引:0
|
作者
Jiang, Fan [1 ]
Lin, Yihuang [2 ]
Du, Jie [1 ]
Qiu, Shi [1 ]
Luo, Gang [1 ]
Zhang, Ziqiang [2 ]
机构
[1] Wuhan Univ Sci & Technol, Affiliated Puren Hosp, Dept One Hepatobiliary & Pancreat Surg, Wuhan, Hubei, Peoples R China
[2] Wuhan Univ Sci & Technol, Med Coll, Wuhan, Hubei, Peoples R China
来源
AMERICAN JOURNAL OF CANCER RESEARCH | 2023年 / 13卷 / 11期
关键词
TBP; AKT3; HCC; proliferation; apoptosis; migration; invasion; TATA-BINDING PROTEIN; POLYGLUTAMINE PROTEINS; GROWTH; CANCER; PROLIFERATION; EXPRESSION;
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The present work was performed to clarify the role of TATA-binding protein (TBP) in hepatocellular carcinoma (HCC). TBP expression in adjacent liver tissues and HCC tissue sample was detected by immunohistochemis-try and qRT-PCR. With CCK-8, BrdU, flow cytometry, and transwell assays, the malignancy of cancer cell lines were evaluated. The binding sites of TBP and AKT serine/threonine kinase 3 (Akt3) promoter region were predicted by PROMO database, and the binding relationship between TBP and AKT3 promoter was verified with dual luciferase reporter gene assay and ChIP-qPCR assay. The effect of TBP on AKT3 expression was examined by immunoblot-ting. The signaling pathways associated with AKT3 were predicted by gene set enrichment analysis (GSEA) with LinkedOmics database. It was revealed that, TBP expression in HCC tissues and cell lines was up-regulated, which was associated with the short survival time of patients. Up-regulation of TBP promoted the viability and aggressive-ness of HCC cells, while knockdown of TBP had opposite effects. TBP could bind with AKT3 promoter region, and TBP overexpression promoted the expression of AKT3, while its knockdown worked oppositely. Additionally, TBP/ AKT3 axis modulated mTOR expression in HCC cells. In conclusion, TBP promotes the transcription of AKT3, thus accelerating the malignant progression of HCC.
引用
收藏
页码:5656 / 5666
页数:11
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