SMAD4
“TGF-beta1 stimulates human AT1 receptor expression in lung fibroblasts by cross talk between the Smad, p38 MAPK, JNK, and PI3K signaling pathways”. American Journal of Physiology. Lung Cellular and Molecular Physiology 293 (3): L790–9. (Sep 2007). doi:10.1152/ajplung.00099.2007. PMC 2413071. PMID 17601799. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2413071/.
“Arkadia activates Smad3/Smad4-dependent transcription by triggering signal-induced SnoN degradation”. Molecular and Cellular Biology 27 (17): 6068–83. (Sep 2007). doi:10.1128/MCB.00664-07. PMC 1952153. PMID 17591695. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1952153/.
“Proinvasive activity of BMP-7 through SMAD4/src-independent and ERK/Rac/JNK-dependent signaling pathways in colon cancer cells”.