PCNA and cancer: As shown in Table 2, the proportion of significant (positive random bias) in 14 out of 17 cancer types was significantly more reduced by using the selected genes from \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$Z_{\textrm{C}}$$\end{document}ZC rather than meta-PCNA.