The role of ZBTB38 in promoting migration and invasive growth of bladder cancer cells

Jing,Jingchen; Liu,Jie; Wang,Yaochun; Zhang,Miao; Yang,Lu; Shi,Feiyu; Liu,Peijun; She,Junjun

doi:10.3892/or.2018.6937

The role of ZBTB38 in promoting migration and invasive growth of bladder cancer cells

Authors:
- Jingchen Jing
- Jie Liu
- Yaochun Wang
- Miao Zhang
- Lu Yang
- Feiyu Shi
- Peijun Liu
- Junjun She
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Affiliations: Center for Translational Medicine, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
Published online on: December 18, 2018 https://doi.org/10.3892/or.2018.6937
Pages: 1980-1990

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Abstract

Bladder cancer is the most common malignancy of the urinary tract, and ~50% of patients with bladder cancer experience recurrence and metastasis. The results of mass spectrometry revealed that the expression of zinc finger and BTB domain‑containing 38 (ZBTB38) was higher in highly aggressive human bladder cancer 253J B‑V cells compared with in the less aggressive bladder cancer 253J cells. However, the association between ZBTB38 and bladder cancer is currently not well defined, and the association of ZBTB38 with migration and invasive growth of bladder cancer cells remains unclear. Previous studies have suggested that ZBTB38 may act as an oncogene, similar to Kaiso. Furthermore, analysis of a clinical database suggested that ZBTB38 expression may be associated with poor prognosis of patients with bladder cancer. Using cell proliferation, migration and invasion assays, and western blotting, the present study demonstrated that ZBTB38 promoted the migration and invasive growth of bladder cancer cells, but inhibited their proliferation. Further experiments suggested that ZBTB38 promoted epithelial‑mesenchymal transition and the expression levels of genes downstream of the Wnt/β‑catenin signaling pathway. Notably, further experiments using a xenograft tumor metastasis model revealed that ZBTB38 promoted bladder cancer lung metastasis in vivo. These findings suggested that ZBTB38 promoted migration and invasive growth of bladder cancer cells through facilitation of the Wnt/β‑catenin signaling pathway. To the best of our knowledge, this is the first study to reveal that ZBTB38 may promote migration and invasive growth of bladder cancer cells via modulation of the Wnt/β‑catenin signaling pathway.

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