Cited by 30Immunodeficiency and Autoimmune DisordersDNA Repair MechanismsT-cell and B-cell Immunology

Premature ageing of the immune system underlies immunodeficiency in ataxia telangiectasia

Exley, Andrew Robert, Buckenham, Samantha, Hodges, Elizabeth, Hallam, Robert, Byrd, Phil, Last, James, Trinder, Claire, Harris, Susan +4 more·2011·Clinical Immunology

Abstract

ATM kinase modulates pathways implicated in premature ageing and ATM genotype predicts survival, yet immunodeficiency in ataxia telangiectasia is regarded as mild and unrelated to age. We address this paradox in a molecularly characterised sequential adult cohort with classical and mild variant ataxia telangiectasia. Immunodeficiency has the characteristics of premature ageing across multiple cellular and molecular immune parameters. This immune ageing occurs without previous CMV infection. Age predicts immunodeficiency in genetically homogeneous ataxia telangiectasia, and in comparison with controls, calendar age is exceeded by immunological age defined by thymic naïve CD4+ T cell levels. Applying ataxia telangiectasia as a model of immune ageing, pneumococcal vaccine responses, characteristically deficient in physiological ageing, are predicted by thymic naïve CD4+ T cell levels. These data suggest inherited defects of DNA repair may provide valuable insight into physiological ageing. Thymic naïve CD4+ T cells may provide a biomarker for vaccine responsiveness in elderly cohorts.

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Crossref · 10.1016/j.clim.2011.03.007

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  • Progeroid syndromes, in which affected individuals begin aging during the second decade of life, share the co-occurrence of deficient immunity and premature age-related morbidities.

    “The co-occurrence of deficient immunity and prematurity of age-related morbidities extends to the progeroid syndromes, in which affected individuals begin aging during the second decade of life [66–68].”

    From T-cell aging in rheumatoid arthritis (2014) · cites this paper as [68]

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Authors
Exley, A. R., Buckenham, S., Hodges, E., Hallam, R., Byrd, P., Last, J., Trinder, C., Harris, S., Screaton, N., Williams, A. P., Taylor, A. M. R., & Shneerson, J. M.
Affiliations
  • Papworth Hospital NHS Foundation Trust (GB)
  • University Hospital Southampton NHS Foundation Trust (GB)
  • University of Birmingham (GB)
  • University of Southampton (GB)
  • Royal Papworth Hospital (GB)
Venue
Clinical Immunology
Publisher
Elsevier BV
Published
2011-07
Volume
140
Issue
1
Pages
26-36
ISSN
1521-6616 (ISSN-L)
OpenAlex
W2033063651
Cited by
30
References
61
Citations by year
2026: 1 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 3 · 2018: 5 · 2017: 2 · 2016: 3 · 2015: 1 · 2014: 3 · 2013: 2 · 2012: 3
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
Funders
  • Cancer Research UK
  • University of Southampton
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
ataxia telangiectasia, premature aging, immunodeficiency, ATM kinase, pneumococcal vaccine response, DNA repair deficiency, age-related immune decline
MeSH terms
Adult, Aging, Ataxia Telangiectasia, Cell Count, Cell Separation, DNA-Binding Proteins, Female, Flow Cytometry, Humans, Male, CD4-Positive T-Lymphocytes, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Tumor Suppressor Proteins, Ataxia Telangiectasia Mutated Proteins

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