Amyloid Precursor Protein, APP, brain, kidney, heart, spleen, fetal tissue neuronal differentiation, synaptic formation, snyaptic repair, neural injury, frontal lobe, cortex, posterior perisylvian cortex-opercular gyri, temporal associated cortex, autosomal dominant Alzheimer's disease, AD, apoptosis, cell adhesion, Notch signaling, amyloid, coated pit, Alzheimer's disease, neurodegeneration, zinc binding, copper binding, heparin binding, cell cycle, locomotor behavior, cell adhesion, metabolism, organ development, and suckling behavior