This study focuses on the influence of the co-application of simvastatin or mevastatin with 8-prenylnaringenin, 6-prenylnarigenin, xanthohumol, acacetin, or chrysin on the activity of Kv1.3 channels, viability, and apoptosis of cancer cells in the human T cell line Jurkat. The gene discussed is KCNA3; the disease is cancer.