Congenic strains displaying similar clinical phenotype of arthritis represent different immunologic models of inflammation

V. A. Adarichev, A. Végvári, Z. Szabó, K. Kis-Toth, K. Mikecz, T. T. Glant

Research output: Contribution to journalArticle

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Abstract

Proteoglycan (PG)-induced arthritis (PGIA) is an autoimmune inflammatory disease controlled by multiple genes in the murine genome. BALB/c × DBA/2 congenic strains carrying four major PGIA chromosome loci were immunized, and positions of loci on chromosomes 3, 7, 8 and 19 (loci Pgia26, Pgia21, Pgia4 and Pgia12, respectively) were confirmed. Each congenic strain exhibited a different pattern of regulation of clinical and immunologic features of PGIA, and these features were significantly influenced by gender. Locus Pgia26 delayed PGIA onset in males and females, and the effect was associated with a lower rate of antigen-induced lymphocyte proliferation and lower production of interferon-γ (IFN-γ), tumor necrosis factor-α (TNF-α) and interleukin-4 (IL-4). Pgia12 similarly delayed onset in males, but the effect was achieved by elevated proliferation of PG-specific lymphocytes and enhanced production of IFN-γ and IL-4. The effect of the Pgia21 locus was arthritis-suppressive in females but PGIA-permissive in congenic males. These opposite effects are attributed to two-fold higher serum autoantibody and IL-6 levels in males than in females. Our study supports the idea that each congenic strain represents a different immunologic subtype of PGIA, providing an explanation for the complex etiology and various clinical phenotypes of rheumatoid arthritis.

Original languageEnglish
Pages (from-to)591-601
Number of pages11
JournalGenes and Immunity
Volume9
Issue number7
DOIs
Publication statusPublished - 2008

Fingerprint

Immunological Models
Arthritis
Inflammation
Phenotype
Proteoglycans
Interleukin-4
Interferons
Lymphocytes
Chromosomes, Human, Pair 19
Chromosomes, Human, Pair 3
Chromosomes, Human, Pair 7
Autoantibodies
Autoimmune Diseases
Interleukin-6
Rheumatoid Arthritis
Tumor Necrosis Factor-alpha
Chromosomes
Genome
Antigens

ASJC Scopus subject areas

  • Genetics(clinical)
  • Immunology
  • Genetics

Cite this

Congenic strains displaying similar clinical phenotype of arthritis represent different immunologic models of inflammation. / Adarichev, V. A.; Végvári, A.; Szabó, Z.; Kis-Toth, K.; Mikecz, K.; Glant, T. T.

In: Genes and Immunity, Vol. 9, No. 7, 2008, p. 591-601.

Research output: Contribution to journalArticle

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AU - Mikecz, K.

AU - Glant, T. T.

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