MAPT and Alzheimer disease: Examples include the aggregation of tau protein or amyloid‐β (Aβ) in AD, aggregation of RBPs TDP‐43 or fused in sarcoma (FUS) in ALS and FTD, α‐Synuclein (α‐Syn) aggregation and amyloid formation in PD and polyglutamine (polyQ) aggregation in HD [13, 119].