Cited by 150Down syndrome and intellectual disability researchinterferon and immune responsesImmunodeficiency and Autoimmune Disorders

Mass Cytometry Reveals Global Immune Remodeling with Multi-lineage Hypersensitivity to Type I Interferon in Down Syndrome

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Waugh, Katherine A., Araya, Paula, Pandey, Ahwan, Jordan, Kimberly R., Smith, Keith P., Granrath, Ross E., Khanal, Santosh, Butcher, Eric T. +15 more·2019·Cell Reports

Abstract

People with Down syndrome (DS; trisomy 21) display a different disease spectrum relative to the general population, including lower rates of solid malignancies and higher incidence of neurological and autoimmune conditions. However, the mechanisms driving this unique clinical profile await elucidation. We completed a deep mapping of the immune system in adults with DS using mass cytometry to evaluate 100 immune cell types, which revealed global immune dysregulation consistent with chronic inflammation, including key changes in the myeloid and lymphoid cell compartments. Furthermore, measurement of interferon-inducible phosphorylation events revealed widespread hypersensitivity to interferon-α in DS, with cell-type-specific variations in downstream intracellular signaling. Mechanistically, this could be explained by overexpression of the interferon receptors encoded on chromosome 21, as demonstrated by increased IFNAR1 surface expression in all immune lineages tested. These results point to interferon-driven immune dysregulation as a likely contributor to the developmental and clinical hallmarks of DS.

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Crossref · 10.1016/j.celrep.2019.10.038

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  • Both individuals with DS and mouse models of DS experience constitutive hyperactivation of interferon (IFN) signaling with signs of chronic inflammation and immune dysregulation, which could exacerbate the neuroinflammatory response.

    “Notably, both individuals with DS and mouse models of DS experience constitutive hyperactivation of interferon (IFN) signaling with signs of chronic inflammation and immune dysregulation,30,31,32,33,34,35,36,37,38,39,40 that could exacerbate the neuroinflammatory response.”

    From Interferon signaling modulates Down syndrome-associated Alzheimer’s disease pathology in a mouse model (2025) · cites this paper as [35]

    The Introduction reports global immune dysregulation and heightened IFN responsiveness in adults with Down syndrome; the Results report elevated baseline signaling and point to chronic IFN hyperactivity. The paper does not establish the same findings in mouse models of Down syndrome. The proposed exacerbation of neuroinflammation follows the citation and is not treated here as attributed to this source. Page numbers were unavailable in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • People with DS present increased IFN signaling likely driven by triplication of four of the six IFN receptors encoded on HSA21, rather than by massive elevation of IFN ligands, and this has been associated with chronic immune dysregulation.

    “people with DS present an increased IFN signaling likely driven by triplication of four of the six IFN receptors encoded on HSA21,36 rather than by massive elevation of the IFN ligands themselves as seen in interferonopathies,80 and this has been associated with chronic immune dysregulation.”

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Authors
Waugh, K. A., Araya, P., Pandey, A., Jordan, K. R., Smith, K. P., Granrath, R. E., Khanal, S., Butcher, E. T., Estrada, B. E., Rachubinski, A. L., McWilliams, J. A., Minter, R., Dimasi, T., Colvin, K. L., Baturin, D., Pham, A. T., Galbraith, M. D., Bartsch, K. W., Yeager, M. E., Porter, C. C., Sullivan, K. D., Hsieh, E. W., & Espinosa, J. M.
Affiliations
  • University of Colorado Anschutz (US)
  • University of Colorado Boulder (US)
  • Emory University (US)
Corresponding author
Espinosa, Joaquin M.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2019-11
Volume
29
Issue
7
Pages
1893-1908.e4
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2984925361
Cited by
150
References
81
Citations by year
2026: 21 · 2025: 18 · 2024: 34 · 2023: 18 · 2022: 23 · 2021: 23 · 2020: 12 · 2018: 1
FWCI
13.35
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Science Foundation
  • National Institutes of Health
  • Global Down Syndrome 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 › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
Keywords
Down syndrome, immune dysregulation, type I interferon, IFNAR1, interferon receptor, chronic inflammation, myeloid cells, lymphoid cells, immune cell types, autoimmune disease susceptibility
MeSH terms
Adult, Down Syndrome, Female, Flow Cytometry, Humans, Male, Middle Aged, Interferon-alpha

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