Recently, increasing evidence suggests that Kv1.5 is overexpressed in many types of human carcinomas, including stomach, pancreatic, colon, brain, bladder, skin, glioma, lymphoma, and lung cancers (Felipe et al., 2012; Aung et al., 2019; Serrano-Novillo et al., 2019). This evidence concerns the gene KCNA5 and lung cancer.