KCNA3 and cancer: In general, many studies addressed the relevance of Kv1.3 for proliferation in different cancer lines (e.g., Abdul et al., 2003; Preussat et al., 2003; Wu J. et al., 2013) or in primary cells (e.g., Smith et al., 2002; Grossinger et al., 2014; Petho et al., 2016).