Article
AMBRA1 Promotes TGFβ Signaling via Nonproteolytic Polyubiquitylation of Smad4.
Cancer research - 1 Oct 2021
Liu Jinquan, Yuan Bo, Cao Jin, Luo Hongjie, Gu Shuchen, Zhang Mengdi, Ding Ran, Zhang Long, Zhou Fangfang, Hung Mien-Chie, Xu Pinglong, Lin Xia, Jin Jianping, Feng Xin-Hua
Abstract excerpt
Transforming growth factor β (TGFβ) is prometastatic in advanced cancers and its biological activities are mainly mediated by the Smad family of proteins. Smad4 is the central signal transducer and transcription factor in the TGFβ pathway, yet the underlying mechanisms that govern transcriptional activities of Smad4 are not fully understood. Here, we show that AMBRA1, a member of the DDB1 and CUL4-associated...
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