IDK how significant is this but according to
wikipedia: "Recently, levomilnacipran, the levorotatory enantiomer of milnacipran, has been found to act as an inhibitor of beta-site amyloid precursor protein cleaving enzyme-1 (BACE-1), which is responsible for β-amyloid plaque formation, and hence may be a potentially useful drug in the treatment of Alzheimer's disease."
β-amyloid plaque formation causes irregular ion channel activity and BACE-1 is triggered by cytokine release.