Cited by 367Down syndrome and intellectual disability researchinterferon and immune responsesGenetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities

The DOI matches its Crossref record; 87 of the 88 references it cites were found in a registry or an index.

Trisomy 21 consistently activates the interferon response

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Abstract

Although it is clear that trisomy 21 causes Down syndrome, the molecular events acting downstream of the trisomy remain ill defined. Using complementary genomics analyses, we identified the interferon pathway as the major signaling cascade consistently activated by trisomy 21 in human cells. Transcriptome analysis revealed that trisomy 21 activates the interferon transcriptional response in fibroblast and lymphoblastoid cell lines, as well as circulating monocytes and T cells. Trisomy 21 cells show increased induction of interferon-stimulated genes and decreased expression of ribosomal proteins and translation factors. An shRNA screen determined that the interferon-activated kinases JAK1 and TYK2 suppress proliferation of trisomy 21 fibroblasts, and this defect is rescued by pharmacological JAK inhibition. Therefore, we propose that interferon activation, likely via increased gene dosage of the four interferon receptors encoded on chromosome 21, contributes to many of the clinical impacts of trisomy 21, and that interferon antagonists could have therapeutic benefits.

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Metadata

Authors
Sullivan, K. D., Lewis, H. C., Hill, A. A., Pandey, A., Jackson, L. P., Cabral, J. M., Smith, K. P., Liggett, L. A., Gomez, E. B., Galbraith, M. D., DeGregori, J., & Espinosa, J. M.
Affiliations
  • Howard Hughes Medical Institute (US)
  • University of Colorado Anschutz (US)
  • Linda Crnic Institute for Down Syndrome, University of Colorado School of Medicine, Aurora, United States
Corresponding author
Sullivan, Kelly D
Venue
eLife
Published
2016-07-29
Volume
5
ISSN
2050-084X (ISSN-L)
OpenAlex
W2487528628
Cited by
362
References
88
Citations by year
2026: 50 · 2025: 41 · 2024: 58 · 2023: 40 · 2022: 40 · 2021: 42 · 2020: 36 · 2019: 21 · 2018: 14 · 2017: 16 · 2016: 3
FWCI
17.85
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • University of Colorado (Linda Crnic Institute for Down Syndrome)
  • Howard Hughes Medical Institute
  • National Institutes of Health (R01CA117907, P30CA046934-27)
  • National Science Foundation (MCB-1243522)
  • Anna and John J. Sie Foundation
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
Keywords
Down syndrome, interferon signaling, interferon-stimulated genes, gene dosage, interferon receptor, JAK1, TYK2, ribosomal proteins, translation (biology), cell proliferation, shRNA screen, JAK inhibition, transcriptome
MeSH terms
Cells, Cultured, Down Syndrome, Fibroblasts, Humans, Immunity, Innate, Interferons, Monocytes, T-Lymphocytes, Gene Expression Profiling

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