Cited by 33Rheumatoid Arthritis Research and TherapiesT-cell and B-cell ImmunologyNatural Compounds in Disease Treatment

Age-related changes in arthritis susceptibility and severity in a murine model of rheumatoid arthritis.

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Tarjanyi, Oktavia, Boldizsar, Ferenc, Nemeth, Peter, Mikecz, Katalin, Glant, Tibor T·2009·Immunity & Ageing

Abstract

Background: Rheumatoid arthritis (RA) most often begins in females in the fourth-fifth decade of their life, suggesting that the aging of the immune system (immunosenescence) has a major role in this disease. Therefore, in the present study, we sought to investigate the effect of age on arthritis susceptibility in BALB/c mice using the proteoglycan (PG)-induced arthritis (PGIA) model of RA. Results: We have found that young, 1-month-old female BALB/c mice are resistant to the induction of PGIA, but with aging they become susceptible. PG-induced T cell responses decline with age, whereas there is a shift toward Th1 cytokines. An age-dependent decrease in T cell number is associated with an increased ratio of the memory phenotype, and lower CD28 expression. Antigen-presenting cells shifted from macrophages and myeloid dendritic cells in young mice toward B cells in older mice. The regulatory/activated T cell ratio decreases in older mice after PG injections indicating impaired regulation of the immune response. Conclusion: We conclude that immunosenescence could alter arthritis susceptibility in a very complex manner including both adaptive and innate immunities, and it cannot be determined by a single trait. Cumulative alterations in immunoregulatory functions closely resemble human disease, which makes this systemic autoimmune arthritis model of RA even more valuable.

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  • The aging of the immune system is accelerated in patients with rheumatoid arthritis.

    “The process of immunosenescence is accelerated in rheumatoid arthritis.”

    From T-cell aging in rheumatoid arthritis (2014) · cites this paper as [9]

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Authors
Tarjanyi, O., Boldizsar, F., Nemeth, P., Mikecz, K., & Glant, T. T.
Affiliations
Rush University Medical Center (US)
Corresponding author
Glant, Tibor T
Venue
Immunity & Ageing
Published
2009-06-11
Volume
6
Issue
1
Pages
8-8
ISSN
1742-4933 (ISSN-L)
OpenAlex
W2142550028
Cited by
32
References
53
Citations by year
2024: 4 · 2023: 2 · 2022: 1 · 2021: 5 · 2020: 3 · 2019: 1 · 2018: 2 · 2014: 4 · 2013: 1 · 2012: 3
FWCI
2.13
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Immunity & Ageing (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Grainger Foundation
  • Rush University
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (P01AR045652)
Topics
  • Health Sciences › Medicine › Rheumatology › Rheumatoid Arthritis Research and Therapies
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Complementary and alternative medicine › Natural Compounds in Disease Treatment
Keywords
rheumatoid arthritis, immunosenescence, aging, arthritis susceptibility, proteoglycan-induced arthritis, BALB/c mice, T cell response, Th1 cytokines, memory T cells, CD28, antigen-presenting cells, regulatory T cells

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