Crossref journal-article
Wiley
Journal of Neuroscience Research (311)
Abstract

AbstractThe Swedish double mutation (KM670/671NL) of amyloid precursor protein (APPsw) is associated with early‐onset familial Alzheimer's disease (FAD) and results in from three‐ to sixfold increased β‐amyloid production. The goal of the present study was to elucidate the effects of APPsw on mechanisms of apoptotic cell death. Therefore, PC12 cells were stably transfected with human APPsw. Here we report that the vulnerability of APPsw‐bearing PC12 cells to undergo apoptotic cell death was significantly enhanced after exposure to hydrogen peroxide compared to human wild‐type APP‐bearing cells, empty vector‐transfected cells, and parent untransfected cells. In addition, we have analyzed the potential influence of several mechanisms that can interfere with the execution of the apoptotic cell death program: the inhibition of cell death by the use of caspase inhibitors and the reduction of oxidative stress by the use of (±)‐α‐tocopherol (vitamin E). Interestingly, oxidative stress‐induced cell death was significantly attenuated in APPsw PC12 cells by pretreatment with caspase‐3 inhibitors but not with caspase‐1 inhibitors. In parallel, caspase‐3 activity was markedly elevated in APPsw PC12 after stimulation with hydrogen peroxide for 6 hr, whereas caspase‐1 activity was unaltered. In addition, oxidative stress‐induced cell death could be reduced after pretreatment of APPsw cells with (±)‐α‐tocopherol. The protective potency of (±)‐α‐tocopherol was even greater than that of caspase‐3 inhibitors. Our findings further emphasize the role of mutations in the amyloid precursor protein in apoptotic cell death and may provide the fundamental basis for further efforts to elucidate the underlying processes caused by FAD‐related mutations. J. Neurosci. Res. 64:183–192, 2001. © 2001 Wiley‐Liss, Inc.

Bibliography

Eckert, A., Steiner, B., Marques, C., Leutz, S., Romig, H., Haass, C., & Müller, W. E. (2001). Elevated vulnerability to oxidative stress‐induced cell death and activation of caspase‐3 by the Swedish amyloid precursor protein mutation. Journal of Neuroscience Research, 64(2), 183–192. Portico.

Authors 7
  1. Anne Eckert (first)
  2. Barbara Steiner (additional)
  3. Celio Marques (additional)
  4. Steffen Leutz (additional)
  5. Helmut Romig (additional)
  6. Christian Haass (additional)
  7. Walter E. Müller (additional)
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Dates
Type When
Created 23 years ago (Aug. 25, 2002, 5:30 p.m.)
Deposited 1 year, 9 months ago (Nov. 19, 2023, 8:58 a.m.)
Indexed 4 months, 2 weeks ago (April 16, 2025, 8:05 a.m.)
Issued 24 years, 5 months ago (March 29, 2001)
Published 24 years, 5 months ago (March 29, 2001)
Published Online 24 years, 5 months ago (March 29, 2001)
Published Print 24 years, 4 months ago (April 15, 2001)
Funders 3
  1. Deutsche Forschungsgemeinschaft 10.13039/501100001659

    Region: Europe

    gov (National government)

    Labels3
    1. German Research Association
    2. German Research Foundation
    3. DFG
    Awards1
    1. Mu467/8-1
  2. Fonds der Chemischen Industrie
  3. Alzheimer Forschung Initiative 10.13039/100010146

    Region: Europe

    pri (Other non-profit organizations)

    Labels2
    1. Alzheimer Forschung Initiative e.V.
    2. AFI

@article{Eckert_2001, title={Elevated vulnerability to oxidative stress‐induced cell death and activation of caspase‐3 by the Swedish amyloid precursor protein mutation}, volume={64}, ISSN={1097-4547}, url={http://dx.doi.org/10.1002/jnr.1064}, DOI={10.1002/jnr.1064}, number={2}, journal={Journal of Neuroscience Research}, publisher={Wiley}, author={Eckert, Anne and Steiner, Barbara and Marques, Celio and Leutz, Steffen and Romig, Helmut and Haass, Christian and Müller, Walter E.}, year={2001}, month=mar, pages={183–192} }