Radiotracers that target NFT tau protein aggregation in the brain, including Tauvid ([18F]flortaucipir), Florquinitau, [18F]MK-6240, [18F]RO948, and [18F]PM-PBB3, have also been extensively evaluated in clinical studies with AD patients [9,10,11]. The gene discussed is MAPT; the disease is Alzheimer disease.