Reduced Expression of Metastasis Suppressor-1 (MTSS1) Accelerates Progression of Human Bladder Uroepithelium Cell Carcinoma

被引：10

作者：

Du, Peng ^{[1
]}

Wang, Shuo ^{[1
]}

Tang, Xingxing ^{[1
]}

An, Chao ^{[1
]}

Yang, Yong ^{[1
]}

Jiang, Wen G. ^{[2
]}

机构：

[1] Peking Univ, Canc Hosp & Inst, Dept Urol, Key Lab Carcinogenesis & Translat Res,Minist Edu, Beijing 1000142, Peoples R China

[2] Cardiff Univ, Sch Med, Cardiff China Med Res Collaborat, Cardiff, S Glam, Wales

来源：

ANTICANCER RESEARCH | 2017年 / 37卷 / 08期

基金：

北京市自然科学基金;

关键词：

Metastasis suppressor-1; bladder uroepithelium cell carcinoma; proliferation; cell cycle; HEDGEHOG-RESPONSIVE GENE; TUMOR-SUPPRESSOR; PROGNOSTIC VALUE; CANCER; MIM; ACTIN;

D O I：

10.21873/anticanres.11846

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Background: Metastasis suppressor 1 (MTSS1) is a multi-functional cytoskeletal protein. Recent research showed that MTSS1 is a potential tumor suppressor in many types of cancer cells, including kidney and bladder cancer cells. However, the clinical implication of MTSS1 in human bladder uroepithelium cell carcinoma (BUCC) and its potential in suppressing BUCC tumorigenesis remains undetermined. In the present study, the expression of MTSS1 in human BUCC tissue samples, and correlations between MTSS1 and pathological grade and stage of the tumors were examined in BUCC specimens. The function of MTSS1 in BUCC progression was explored. Materials and Methods: The mRNA and protein expression of MTSS1 were examined in 68 BUCC tissue samples with matching adjacent normal bladder tissues using quantitative real-time PCR and western blotting. Furthermore, the bladder cancer cell line 5637 was used to determine the anticancer effect of MTSS1. Results: Lower MTSS1 mRNA expression was recorded in BUCC tissues compared to normal bladder tissues. A lower MTSS1 mRNA level was observed in tumors with high clinical stage and with high pathological nuclear grade. Likewise, MTSS1 protein expression in normal bladder tissue was significantly higher than that in BUCC tissue. The protein level of MTSS1 significantly negatively correlated with clinical stage and pathological nuclear grade of BUCC. Cumulative survival curves indicated that MTSS1 expression was negatively correlated with survival time: patients with a high level of MTSS1 had significantly longer survival time than those with a low level of MTSS1 (p<0.001). Overexpression of MTSS1 reduced BUCC cell proliferation, cell-cycle progression and colony formation, but had no influence on BUCC cell apoptosis. Conclusion: Overexpression of MTSS1 suppresses BUCC development, providing a novel perspective for BUCC tumorigenesis and a potential therapeutic target for BUCC.

引用

页码：4499 / 4505

页数：7

共 23 条

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