Abstract

Alzheimer's disease is a dementing neurodegenerative disorder for which there is no effective treatment at present. Genetic and biological studies provide evidence that the production and deposition of amyloid-beta peptides (Abeta contribute to the etiology of Alzheimer's disease. gamma-Secretase is the pivotal enzyme in generating the C terminus of Abeta which determines its aggregability and speed of deposition. Drugs that regulate the production of Abeta by inhibiting gamma-secretase activity could provide an effective therapy for Alzheimer's disease, although recent studies suggest that gamma-secretase plays important roles in cellular signaling. This review focuses on studies of the gamma-secretase biology and provides the direction for developing effective and selective gamma-secretase inhibitors as drugs for the treatment of Alzheimer's disease.

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