RNF128 suppresses the malignancy of colorectal cancer cells via inhibition of Wnt/β-catenin signaling

被引:4
|
作者
Zhu, Yue [1 ,2 ]
Gan, Yujie [1 ]
Zou, Renrui [1 ]
Sha, Huanhuan [1 ]
Lu, Ya [1 ]
Zhang, Yuan [1 ]
Feng, Jifeng [1 ]
机构
[1] Nanjing Med Univ, Affiliated Canc Hosp, Jiangsu Canc Hosp, Jiangsu Inst Canc Res, 42 Baiziting, Nanjing 210009, Jiangsu, Peoples R China
[2] Nanjing Jinling Hosp, Nanjing 210002, Jiangsu, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
RNF128; Wnt/beta-catenin signaling; ubiquitination; colorectal cancer; UBIQUITIN LIGASES; GRAIL; LYMPHOCYTES; PROGNOSIS; CARCINOMA; PATHWAY; SYSTEM; ANERGY; BETA;
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Purpose: Colorectal cancer (CRC) is one of the most frequent tumors and causes of mortality worldwide. Ubiquitin ligase was reported to regulate multiple cellular processes, including tumorigenesis. As ubiquitin E3 ligases, RING-finger proteins play a key role in physiological and pathophysiological processes. Methods: We compared the expression levels of RNF128 in CRC tissues by western-blotting and qRT-PCR. Knockdown and overexpression of RNF128 were performed to examine its effect on proliferation and metastasis of CRC cells. Using western blot and co-immunoprecipitation assays, we explored the possible mechanisms underlying the effect of RNF128 in CRC cells. Results: We found that the expression level of RNF128 was correlated with the CRC tumorigenicity. Overexpression or knockdown of RNF128 suppressed or elevated CRC cell proliferation, migration and invasion, respectively. We further determined that RNF128 regulated beta-catenin ubiquitination and thus inhibited Wnt/beta-catenin signaling in CRC cells. Conclusion: Our research demonstrated that RNF128 inhibited cell proliferation and metastasis of CRC cells via Wnt/beta-catenin signaling-mediated deubiquitination.
引用
收藏
页码:13567 / 13578
页数:12
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