In addition to Alzheimer’s disease (AD), aggregation of tau proteins is also reported in the brains of patients with frontotemporal lobar degeneration (FTLD), Pick’s disease, progressive supranuclear palsy, corticobasal degeneration, etc. and these neurodegenerative diseases are known as tauopathy [1,2]. The gene discussed is MAPT; the disease is tauopathy.