HomeRas and TGF[beta] cooperatively regulate epithelial cell plasticity and metastasis: dissection of Ras signaling pathways August 26, 2010 print this article Ras and TGF[beta] cooperatively regulate epithelial cell plasticity and metastasis: dissection of Ras signaling pathways Janda et al.; J Cell Biol. 2002 Jan 21;156(2):299-313