Alzheimer's disease (AD), the most common form of dementia in the elderly, is characterized by a slow but progressive deterioration in cognitive performance. The main abnormal structures in the brains of affected people are neurofibrillary tangles and plaques. The latter consist of amyloid β peptides derived from amyloid precursor protein (APP), an integral transmembrane cell surface protein and a common constituent of normal healthy cells. In the April 14
Anandatheerthavarada et al. observed that the N-terminal domain of APP resembles that of some endoplasmic reticulum associated cell proteins, which use this signal in targeting mitochondria. They investigated intracellular APP localization using cultured human cortical neuronal (HCN-1A) cells and...
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