KCNA3 and myeloid sarcoma: RNA expression data in MS brains indicate the dysregulation of a multitude of ion channels in inflamed brain areas, among those two-pore potassium channel TREK2, voltage-activated sodium channels Nav1.2 (Schattling et al., 2016), potassium channels Kv11.3 (erg), and calcium-activated potassium channel KCa2.3 (Boscia et al., 2021).