For example, the pathology of Alzheimer's disease (AD) is accompanied by Amyloid‐β (Aβ) plaques and Tau fibrils, and Parkinson's disease (PD) features with the accumulation of α‐synuclein (α‐syn) and the formation of Lewy's bodies.80, 81. The gene discussed is MAPT; the disease is Alzheimer disease.