Cited by 104Down syndrome and intellectual disability researchGenetics and Neurodevelopmental DisordersWilliams Syndrome Research

Overexpression of Dyrk1A is implicated in several cognitive, electrophysiological and Neuromorphological alterations found in a mouse model of down syndrome

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García-Cerro, Susana, Martínez, Paula, Vidal, Verónica, Corrales, Andrea, Flórez, Jesús, Vidal, Rebeca, Rueda, Noemí, Arbonés, María L. +1 more·2014·PLoS ONE

Abstract

Down syndrome (DS) phenotypes result from the overexpression of several dosage-sensitive genes. The DYRK1A (dual-specificity tyrosine-(Y)-phosphorylation regulated kinase 1A) gene, which has been implicated in the behavioral and neuronal alterations that are characteristic of DS, plays a role in neuronal progenitor proliferation, neuronal differentiation and long-term potentiation (LTP) mechanisms that contribute to the cognitive deficits found in DS. The purpose of this study was to evaluate the effect of Dyrk1A overexpression on the behavioral and cognitive alterations in the Ts65Dn (TS) mouse model, which is the most commonly utilized mouse model of DS, as well as on several neuromorphological and electrophysiological properties proposed to underlie these deficits. In this study, we analyzed the phenotypic differences in the progeny obtained from crosses of TS females and heterozygous Dyrk1A (+/-) male mice. Our results revealed that normalization of the Dyrk1A copy number in TS mice improved working and reference memory based on the Morris water maze and contextual conditioning based on the fear conditioning test and rescued hippocampal LTP. Concomitant with these functional improvements, normalization of the Dyrk1A expression level in TS mice restored the proliferation and differentiation of hippocampal cells in the adult dentate gyrus (DG) and the density of GABAergic and glutamatergic synapse markers in the molecular layer of the hippocampus. However, normalization of the Dyrk1A gene dosage did not affect other structural (e.g., the density of mature hippocampal granule cells, the DG volume and the subgranular zone area) or behavioral (i.e., hyperactivity/attention) alterations found in the TS mouse. These results suggest that Dyrk1A overexpression is involved in some of the cognitive, electrophysiological and neuromorphological alterations, but not in the structural alterations found in DS, and suggest that pharmacological strategies targeting this gene may improve the treatment of DS-associated learning disabilities.

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  • Subtracting one copy of Dyrk1a at conception from otherwise trisomic mice improved cognitive, neurological and Alzheimer disease-like phenotypes.

    “Subtracting one copy of Dyrk1a at conception from otherwise trisomic mice improved cognitive, neurological and Alzheimer disease-like phenotypes (Garcia-Cerro et al., 2014; Garcia-Cerro et al., 2017) and improved T-maze and contextual fear conditioning tests (Jiang et al., 2015).”

    From Sex-specific developmental alterations in DYRK1A expression in the brain of a Down syndrome mouse model (2024) · cites this paper as Garcia-Cerro et al., 2014

    The Experimental Animals section describes trisomic offspring with one fewer Dyrk1A copy, and Results I reports improved working and reference memory; the Discussion also reports rescued hippocampal LTP and improved neuromorphological measures. The paper does not report improvement in Alzheimer disease-like phenotypes. Results II says motor coordination and other tested motor functions were unaffected, so the broad claim of neurological improvement needs qualification. Page numbers are unavailable in our copy. (LLM, conf=0.88)

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Authors
García-Cerro, S., Martínez, P., Vidal, V., Corrales, A., Flórez, J., Vidal, R., Rueda, N., Arbonés, M. L., & Martínez-Cué, C.
Affiliations
Universidad de Cantabria (ES)
Venue
PLoS ONE
Published
2014-09-04
Volume
9
Issue
9
Pages
e106572
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2018237527
Cited by
104
References
83
Citations by year
2026: 5 · 2025: 10 · 2024: 7 · 2023: 9 · 2022: 9 · 2021: 4 · 2020: 9 · 2019: 13 · 2018: 9 · 2017: 10 · 2016: 7 · 2015: 11 · 2014: 1
FWCI
9.62
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, cc-by)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • UCrea (University of Cantabria) (submittedVersion, cc-by)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
Funders
Ministerio de Economía y Competitividad
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Williams Syndrome Research
Keywords
Down syndrome, DYRK1A, Ts65Dn mouse model, gene dosage, cognitive impairment, working memory, reference memory, fear conditioning, hippocampal long-term potentiation, neuronal differentiation, learning disabilities
MeSH terms
Dyrk Kinases, Animals, Cognition, Disease Models, Animal, Down Syndrome, Female, Male, Memory, Mice, Transgenic, Protein-Tyrosine Kinases, Protein Serine-Threonine Kinases, Long-Term Potentiation, Mice

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