Cited by 668Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Early Phenotypic Changes in Transgenic Mice That Overexpress Different Mutants of Amyloid Precursor Protein in Brain

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Moechars, Dieder, Dewachter, Ilse, Lorent, Kristin, Reversé, Delphine, Baekelandt, Veerle, Naidu, Asha, Tesseur, Ina, Spittaels, Kurt +5 more·1999·Journal of Biological Chemistry

Abstract

Transgenic mice overexpressing different forms of amyloid precursor protein (APP), i.e. wild type or clinical mutants, displayed an essentially comparable early phenotype in terms of behavior, differential glutamatergic responses, deficits in maintenance of long term potentiation, and premature death. The cognitive impairment, demonstrated in F1 hybrids of the different APP transgenic lines, was significantly different from nontransgenic littermates as early as 3 months of age. Biochemical analysis of secreted and membrane-bound APP, C-terminal "stubs," and Abeta(40) and Abeta(42) peptides in brain indicated that no single intermediate can be responsible for the complex of phenotypic dysfunctions. As expected, the Abeta(42) levels were most prominent in APP/London transgenic mice and correlated directly with the formation of amyloid plaques in older mice of this line. Plaques were associated with immunoreactivity for hyperphosphorylated tau, eventually signaling some form of tau pathology. In conclusion, the different APP transgenic mouse lines studied display cognitive deficits and phenotypic traits early in life that dissociated in time from the formation of amyloid plaques and will be good models for both early and late neuropathological and clinical aspects of Alzheimer's disease.

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  1. Citron, M., Diehl, T. S., Gordon, G., Biere, A. L., Seubert, P., and Selkoe, D. J. (1996) Proc. Natl. Acad. Sci. U. S. A. 93, 13170 -13175
  2. Sturchler-Pierrat, C., Abramowski, D., Duke, M., Wiederhold, K. H., Mistl, C., Rothacher, S., Ledermann, B., Burki, K., Frey, P., Paganetti, P. A., Waridel, C., Calhoun, M. E., Jucker, M., Probst, A., Staufenbiel, M., and Sommer, B. (1997) Proc. Natl. Acad. Sci. U. S. A. 94, 13287-13292
  3. Moran, P. M., Higgins, L. S., Cordell, B., and Moser, P. C. (1995) Proc. Natl. Acad. Sci. U. S. A. 92, 5341-5345
  4. Moechars, D., Lorent, K., and Van Leuven, F. (1998) Neuroscience, in press
  5. Johnson-Wood, K., Lee, M., Motter, R., Hu, K., Gordon, G., Barbour, R., Khan, K., Gordon, M., Tan, H., Games, D., Lieberburg, I., Schenk, D., Seubert, P., and McConlogue, L. (1997) Proc. Natl. Acad. Sci. U. S. A. 94, 1550 -1555

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Authors
Moechars, D., Dewachter, I., Lorent, K., Reversé, D., Baekelandt, V., Naidu, A., Tesseur, I., Spittaels, K., Haute, C. V. D., Checler, F., Godaux, E., Cordell, B., & Van Leuven, F.
Affiliations
  • KU Leuven (BE)
  • University of Mons (BE)
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1999-03
Volume
274
Issue
10
Pages
6483-6492
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2169308121
Cited by
668
References
37
Citations by year
2026: 4 · 2025: 3 · 2024: 10 · 2023: 7 · 2022: 16 · 2021: 9 · 2020: 23 · 2019: 8 · 2018: 9 · 2017: 23 · 2016: 19 · 2015: 22 · 2014: 23 · 2013: 23 · 2012: 22
FWCI
20.85
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
amyloid precursor protein, APP transgenic mice, Alzheimer's disease, cognitive impairment, amyloid-beta 42, amyloid plaques, hyperphosphorylated tau, long-term potentiation
MeSH terms
Alzheimer Disease, Animals, Brain, Electrophysiology, Hippocampus, Mice, Transgenic, Mutation, Gene Expression, Amyloid beta-Protein Precursor, Mice

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