Chemoattraction can be induced by activation of cancer cell intrinsic type I IFN signaling or transgenic production of IFN-\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\gamma$$\end{document}γ. Here, IFNA1 is linked to cancer.