Cited by 448Down syndrome and intellectual disability researchAlzheimer's disease research and treatmentsGenetics and Neurodevelopmental Disorders

Developmental abnormalities and age-related neurodegeneration in a mouse model of Down syndrome

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Holtzman, David M., Santucci, Daniela, Kilbridge, Joshua, Chua-Couzens, Jane, Fontana, David J., Daniels, Scott E., Johnson, Randolph M., Chen, Karen +5 more·1996·Proceedings of the National Academy of Sciences

Abstract

To study the pathogenesis of central nervous system abnormalities in Down syndrome (DS), we have analyzed a new genetic model of DS, the partial trisomy 16 (Ts65Dn) mouse. Ts65Dn mice have an extra copy of the distal aspect of mouse chromosome 16, a segment homologous to human chromosome 21 that contains much of the genetic material responsible for the DS phenotype. Ts65Dn mice show developmental delay during the postnatal period as well as abnormal behaviors in both young and adult animals that may be analogous to mental retardation. Though the Ts65Dn brain is normal on gross examination, there is age-related degeneration of septohippocampal cholinergic neurons and astrocytic hypertrophy, markers of the Alzheimer disease pathology that is present in elderly DS individuals. These findings suggest that Ts65Dn mice may be used to study certain developmental and degenerative abnormalities in the DS brain.

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Research works printed but not linked: 8

  1. [1]Epstein, C. J. (1986) Consequences of Chromosome Imbalance: Principals, Mechanisms, and Models (Cambridge Univ. Press, New York).
  2. [8]Davisson, M. T., Schmidt, C., Reeves, R. H., Irving, N. G., Akeson, E. C., Harris, B. S. & Bronson, R. T. (1993) in Segmental Trisomy as a Mouse Model for Down Syndrome , ed. Epstein, C. J. (Wiley-Liss, New York), pp. 117-133.
  3. [15]Calamandrei, G., Ricceri, L. & Valanzano, A. (1996) Brain Res ., in press.
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  5. [34]Wishart, J. G. (1988) in Early Learning in Infants and Young Children with Down Syndrome , ed. Nadel, L. (MIT Press, Cambridge, MA), pp. 7-50.
  6. [36]Olton, D. S., Givens, B. S., Markowska, A. L., Shapiro, M. & Golski, S. (1991) in Mnemonic Functions of the Cholinergic Septohippocampal System , eds. Squire, L. R., Weinberger, N. M. & McGaugh, J. L. (Oxford Univ. Press, London).
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  8. [47]Lamb, B. T., Sisodia, S. S., Lawler, A. M., Slunt, H. H., Kitt, C. A., Kearns, W. G., Pearson, P. L., Price, D. L. & Gearhart, J. D. (1993) Nat. Genet. 5, 22-30.

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Authors
Holtzman, D. M., Santucci, D., Kilbridge, J., Chua-Couzens, J., Fontana, D. J., Daniels, S. E., Johnson, R. M., Chen, K., Sun, Y., Carlson, E., Alleva, E., Epstein, C. J., & Mobley, W. C.
Affiliations
Washington University in St. Louis (US)
Venue
Proceedings of the National Academy of Sciences
Published
1996-11-12
Volume
93
Issue
23
Pages
13333-13338
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2099268443
Cited by
448
References
2
Citations by year
2026: 4 · 2025: 7 · 2024: 17 · 2023: 15 · 2022: 16 · 2021: 12 · 2020: 14 · 2019: 13 · 2018: 13 · 2017: 16 · 2016: 10 · 2015: 16 · 2014: 16 · 2013: 15 · 2012: 23
FWCI
12.83
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Federation for Aging Research
  • National Down Syndrome Society
  • National Institutes of Health (5r01ag010672-05)
  • National Institute on Aging (AG00445, AG10672, AG-08938, P01AG008938)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
Down syndrome, Ts65Dn mouse model, mouse model, neurodevelopmental delay, age-related neurodegeneration, Alzheimer disease pathology, intellectual disability, chromosome 21
MeSH terms
Aging, Animals, Avoidance Learning, Brain, Chromosome Mapping, Disease Models, Animal, Down Syndrome, Female, Humans, Learning, Male, Mice, Inbred Strains, Mice, Neurologic Mutants, Motor Activity, Nerve Degeneration, Stereotyped Behavior, Trisomy, Vocalization, Animal, Maze Learning, Mice

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