HER4 has been linked to various cancers, such as breast, colorectal, lung, hepatocellular, prostate, bladder, ovarian, endometrial, and glioblastoma (Edwards et al., 2006; Memon et al., 2006; Ejskjaer et al., 2007; Sundvall et al., 2008; de Wit et al., 2013; Liu et al., 2017; Saglam et al., 2017; Zhang et al., 2017; Donoghue et al., 2018). Here, ERBB4 is linked to glioblastoma.