We then experimentally tested if TGF\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\beta$$\end{document}β signaling stimulated mesenchymal differentiation as well as increased ERBB ligand signaling in patient-derived cancer-associated fibroblasts (Fig. 3D,E). This evidence concerns the gene EGFR and cancer.