KCNA3 and neoplasm: Studies have found that potassium channels are not only involved in the control of the cell cycle and cell proliferation, but also in the processes of cell adhesion and migration, volume regulation, apoptosis, and angiogenesis, which are closely related to tumor biology, making potassium channels a potential therapeutic target for tumors (Pardo and Stuehmer, 2014; Comes et al., 2015).