HBEGF and cancer: Given the relationship between cancer cell 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}β1 and HBEGF upregulation and mesenchymal fibroblast differentiation, we next assessed how endocrine therapy modulates cancer cell signaling in the local presence of fibroblasts.