Scientific reports 2016-01-01

Conditional ablation of TGF-β signaling inhibits tumor progression and invasion in an induced mouse bladder cancer model.

Yu Liang, Fengyu Zhu, Haojie Zhang, Demeng Chen, Xiuhong Zhang, Qian Gao, Yang Li

Index: Sci. Rep. 6 , 29479, (2016)

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Abstract

The role of transforming growth factor-β (TGF-β) signaling in cancer progression is still under debate. To determine the function of TGF-β signaling in bladder cancer progression, we conditionally knocked out the Tgfbr2 in mouse model after a N-butyl-N-4-hydroxybutyl Nitrosamine induced bladder carcinogenesis. We found the ablation of TGF-β signaling could inhibit the cancer cell proliferation, cancer stem cell population and EMT, hence suppressed the invasive cancer progression, which is similar with the result of TGF-β receptor I inhibitor treatment. These findings recognize the roles and mechanisms of TGF-β signaling in bladder cancer progression in vivo for the first time.

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