Cited by 49Down syndrome and intellectual disability researchGenetics and Neurodevelopmental DisordersGenetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities

All Creatures Great and Small: New Approaches for Understanding Down Syndrome Genetics

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Moyer, Anna J., Gardiner, Katheleen, Reeves, Roger H.·2021·Trends in Genetics

Abstract

Human chromosome 21 (Hsa21) contains more than 500 genes, making trisomy 21 one of the most complex genetic perturbations compatible with life. The ultimate goal of Down syndrome (DS) research is to design therapies that improve quality of life for individuals with DS by understanding which subsets of Hsa21 genes contribute to DS-associated phenotypes throughout the lifetime. However, the complexity of DS pathogenesis has made developing appropriate animal models an ongoing challenge. Here, we examine lessons learned from a variety of model systems, including yeast, nematode, fruit fly, and zebrafish, and discuss emerging methods for creating murine models that better reflect the genetic basis of trisomy 21.

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  • Mouse models have allowed advances in deciphering mechanisms governing brain development and function and the consequences of Down syndrome-related manipulations.

    “These models have allowed the scientific community to make incredible advances in deciphering the mechanisms governing brain development and function, as well as the consequences of DS-related manipulations for those mechanisms18–22.”

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  1. [62]Liu H, (2020) Dscam gene triplication causes neocortical overinhibition in Down syndrome. bioRxiv

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Authors
Moyer, A. J., Gardiner, K., & Reeves, R. H.
Affiliations
  • Johns Hopkins University (US)
  • University of Colorado Anschutz (US)
Corresponding author
Reeves, Roger H.
Venue
Trends in Genetics
Publisher
Elsevier BV
Published
2021-05
Volume
37
Issue
5
Pages
444-459
ISSN
0168-9525 (ISSN-L)
OpenAlex
W3094039995
Cited by
49
References
98
Citations by year
2026: 8 · 2025: 8 · 2024: 11 · 2023: 10 · 2022: 6 · 2021: 6
FWCI
0.92
Type
journal article
Language
en
Open access
Locations
  • Trends in Genetics (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • U.S. Public Health Service (1F31HD098826-01, HD098540, HD038384, T32GM07814, U54HD079123-01A1)
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 › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
Keywords
Down syndrome, chromosome 21 genes, mouse model, yeast model, nematode model, Drosophila model, zebrafish model, therapeutic target
MeSH terms
Aneuploidy, Animals, Pan troglodytes, Chromosomes, Human, Pair 21, Disease Models, Animal, Down Syndrome, Drosophila, Humans, Yeasts, Zebrafish, Genomics, Mice, Rats

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