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Brain Neprilysin Activity And Susceptibility To Transgene-Induced Alzheimer Amyloids, Troy L. Carter, Steve Pedrini, Jorge Ghiso, Michelle E. Ehrlich, Sam Gandy
Brain Neprilysin Activity And Susceptibility To Transgene-Induced Alzheimer Amyloids, Troy L. Carter, Steve Pedrini, Jorge Ghiso, Michelle E. Ehrlich, Sam Gandy
Department of Neurology Faculty Papers
Neprilysin (NEP) is a zinc metalloproteinase that degrades enkephalins, endothelins, and the Alzheimer’s disease amyloid ß (Aß) peptides. NEP-deficient mice possess increased levels of brain Aß1-40 and Aß1-42. The objective of this study was to determine whether tissue NEP specific activity differs according to age and/or across mouse strains, especially those strains predisposed toward formation of Aß-amyloid plaques following overexpression of the human Alzheimer amyloid precursor protein (APP). The C57Bl/6J mouse strain appears to be relatively susceptible to cerebral amyloidosis, whereas the Swiss Webster (SW) strain appears more resistant. We investigated whether NEP specific activity in brain …