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Updated: Aug 22, 2025
Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors
Published on: March 29, 2019
Molecular mechanism of di-n-butyl phthalate promotion of bladder cancer development
En-Hui Li1, Bai-Hui Xu2, Hai-Bin Wei1
1Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
Purpose:
To determine whether di-n-butyl phthalate (DBP) promotes the occurrence of bladder cancer (BCa) and explore the action of DBP acts on BCa cells at the cellular and molecular levels.
Methods:
MTT and Transwell assays were used to investigate the tumorigenic actions of DBP on BCa cells. Second-generation sequencing was used to identify differences in gene expression before and after DBP treatment. Differential gene expression was verified by q-PCR and analyzed using bioinformatics. Cells were transfected to overexpress genes of interest and proliferation and migration were measured using MTT and Transwell assays, respectively.
Results:
DBP treatment stimulated both proliferation and invasion in BCa cells. Second-generation sequencing identified differences in the expression of FOSB, JUND, ATP6V1C2, and RHOQ before and after DBP treatment. FOSB expression was confirmed by q-PCR and bioinformatic analyses. FOSB overexpression increased both proliferation and invasion in BCa cells.
Conclusion:
DBP promoted BCa tumorigenesis by inducing changes in gene expression.
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