EIF5A and vulvar intraepithelial neoplasia: eIF5A is highly overexpressed in patients with glioblastoma (Preukschas et al., 2012). eIF5A1 is a diagnostic marker of vulvar intraepithelial neoplasia (Cracchiolo et al., 2004). eIF5A1 is upregulated in colorectal adenoma (Lam et al., 2010)