05 September 2019 : Clinical Research
Thyroid Receptor-Interacting Protein 13 is Correlated with Progression and Poor Prognosis in Bladder Cancer
Lijuan Niu12ADE, Zhiqiang Gao1D, Yubin Cui1BE, Xiaoqing Yang3CF, Haiyang Li4ABCDEFG*DOI: 10.12659/MSM.917112
Med Sci Monit 2019; 25:6660-6668
Abstract
BACKGROUND: Bladder cancer is the fourth most common cancer worldwide. Thyroid receptor-interacting protein 13 (TRIP13) is a member of the AAA+ ATPase family. The upregulation of TRIP13 has been shown to be involved in a few diseases, especially in cancers, but the expression and function of TRIP13 in bladder cancer is still elusive.
MATERIAL AND METHODS: In our study, the expression of TRIP13 was investigated with immunohistochemistry (IHC). The mRNAs of TRIP13 in bladder cancer and adjacent normal tissues were compared using quantitative real-time polymerase chain reaction (qRT-PCR) and IHC scores. The clinical value of TRIP13 was estimated by evaluating its correlation with other clinicopathological factors using the chi-square test. The prognostic significance of TRIP13 was evaluated using univariate and multivariate analyses. The effect of TRIP13 on proliferation and invasion was evaluated using function assays in vitro.
RESULTS: In the 139 samples of bladder cancer tissues, the patients with low and high expression of TRIP13 accounted for 64.03% and 35.97%, respectively. Moreover, the mRNA expression of TRIP13 in bladder cancer was significantly higher than in normal tissues. High expression of TRIP13 was remarkably correlated with T stage, metastasis, and poor prognosis. In addition, TRIP13 was demonstrated to promote the proliferation, invasion, and epithelial-mesenchymal transition (EMT) of bladder cancer.
CONCLUSIONS: TRIP13 is correlated with poor prognosis of bladder cancer by promoting proliferation, invasion, and EMT, indicating that TRIP13 may be a promising drug target in bladder cancer.
Keywords: Epithelial-mesenchymal transition, Gallbladder Neoplasms, Mediator Complex Subunit 1, Neoplasm Invasiveness, Prognosis, ATPases Associated with Diverse Cellular Activities, Cell Cycle Proteins, Disease Progression, Gene Expression Regulation, Neoplastic, Middle Aged, Neoplasm Grading, Neoplasm Metastasis, Neoplasm Staging, Up-Regulation, Urinary Bladder Neoplasms
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