KCNA3 and Parkinson disease: A similar, but slightly less intense increase in Kv1.3 expression occurs when cultured neonatal microglia are stimulated with oligomeric amyloid-β (AβO) or α-synuclein [7,8], two proteins that are misfolded and aggregated in Alzheimer’s or Parkinson’s disease, and which are often used to create an in vitro model of microglia responses associated with the respective disease.