Abstract
Overexpression of the familial Alzheimer's disease gene Presenilin 2 ( PS2 ) in nerve growth factor-differentiated PC12 cells increased apoptosis induced by trophic factor withdrawal or β-amyloid. Transfection of antisense PS2 conferred protection against apoptosis induced by trophic withdrawal in nerve growth factor-differentiated or amyloid precursor protein-expressing PC12 cells. The apoptotic cell death induced by PS2 protein was sensitive to pertussis toxin, suggesting that heterotrimeric GTP-binding proteins are involved. A PS2 mutation associated with familial Alzheimer's disease was found to generate a molecule with enhanced basal apoptotic activity. This gain of function might accelerate the process of neurodegeneration that occurs in Alzheimer's disease, leading to the earlier age of onset characteristic of familial Alzheimer's disease.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 27, 2002, 5:45 a.m.) |
Deposited | 1 year ago (Aug. 7, 2024, 7:45 a.m.) |
Indexed | 1 month ago (July 30, 2025, 9:59 a.m.) |
Issued | 28 years, 8 months ago (Dec. 6, 1996) |
Published | 28 years, 8 months ago (Dec. 6, 1996) |
Published Print | 28 years, 8 months ago (Dec. 6, 1996) |
@article{Wolozin_1996, title={Participation of Presenilin 2 in Apoptosis: Enhanced Basal Activity Conferred by an Alzheimer Mutation}, volume={274}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.274.5293.1710}, DOI={10.1126/science.274.5293.1710}, number={5293}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Wolozin, Benjamin and Iwasaki, Katsunori and Vito, Pasquale and Ganjei, J. Kelly and Lacanà, Emanuela and Sunderland, Trey and Zhao, Boyu and Kusiak, John W. and Wasco, Wilma and D’Adamio, Luciano}, year={1996}, month=dec, pages={1710–1713} }