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Memapsin 2 (Beta-Secretase) Inhibitors: Drug Development

[ Vol. 5 , Issue. 2 ]

Author(s):

Arun K. Ghosh, Nagaswamy Kumaragurubaran, Ling Hong, Gerald Koelsh and Jordan Tang   Pages 121 - 131 ( 11 )

Abstract:


Memapsin 2 (β-secretase, BACE 1) processing of β-amyloid precursor protein is the first step in the pathway leading to the production of amyloid-β, thus, it is a major target for the development of inhibitor drug for the treatment of Alzheimerss Disease. Although there are distinctive advantages of this protease as a drug target, the development of drug-like memapsin 2 inhibitors has been somewhat slow since the cloning of the protease seven years ago. Here we review the progress of memapsin 2 inhibitor development using crystal structure-based design cycles. Recent progress has evolved the inhibitors into sizes sufficiently small to penetrate cell membranes and the blood-brain barrier yet retain potency for the inhibition of Aβ production in cultured cells and experimental animals. Such progress lends optimism that clinically useful memapsin 2 inhibitors will eventually be developed.

, Memapsin, 2, (Beta-Secretase), Inhibitors:, Drug, Development

Affiliation:

Departments of Chemistry and Medicinal Chemistry, Purdue University, West Lafayette, IN 47907, USA.



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