Tbx1 Regulates the BMP-Smad1 Pathway in a Transcription Independent Manner

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Tbx1 Regulates the BMP-Smad1 Pathway in a Transcription Independent Manner

Tbx1 is a T-box transcription factor implicated in DiGeorge syndrome. The molecular function of Tbx1 is unclear although it can transactivate reporters with T-box binding elements. We discovered that Tbx1 binds Smad1 and suppresses the Bmp4/Smad1 signaling. Tbx1 interferes with Smad1 to Smad4 binding, and a mutation of Tbx1 that abolishes transactivation, does not affect Smad1 binding nor does ...

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ژورنال

عنوان ژورنال: PLoS ONE

سال: 2009

ISSN: 1932-6203

DOI: 10.1371/journal.pone.0006049