NRG1 and cancer: Intriguingly, several genes showing positive correlation in gene bodies have been previously linked to cancer, including MUC15 (Huang et al., 2009), HEPACAM2 (Klopfleisch et al., 2010), CA10 (Romeo et al., 2009), NRG1 (Huang et al., 2004) and RAB25 (Mitra, Cheng & Mills, 2012).