Cell Phenotype-specific Down-regulation of Smad3 Involves Decreased Gene Activation as Well as Protein DegradationAnne-Christine Poncelet(Northwestern University), Constance E. Runyan(Northwestern University)Journal of Biological ChemistryMarch 31, 200710.1074/jbc.m701991200Cited by 50SaveCiteExport RISWatch citationsRelated PapersThe Role of Internalization in Transforming Growth Factor β1-induced Smad2 Association with Smad Anchor for Receptor Activation (SARA) and Smad2-dependent Signaling in Human Mesangial Cells|Journal of Biological Chemistry|2004|161