Coexpression of susceptible and resistant HLA class II transgenes in murine experimental autoimmune thyroiditis: DQ8 molecules downregulate DR3-mediated thyroiditis

Jeffrey C. Flynn, Qiang Wan, John C. Panos, Daniel J Mc Cormick, Alvaro A. Giraldo, Chella S. David, Yi Chi M Kong

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Experimental autoimmune thyroiditis (EAT) can be induced in genetically susceptible mice by immunization with the self antigen, thyroglobulin (Tg). Since susceptibility is linked to H2 class II molecules, we have generated human leukocyte antigen (HLA) class II transgenic mice to study potential HLA associations with Hashimoto's thyroiditis. DR3 (HLA-DRA/DRB1*0301) and DQ8 (HLA-DQA1*0301/DQB1*0302) transgenes were introduced into class II-negative Ab0/B10 and Ab0 nonobese diabetic (Ab0/NOD) mice. Previous work had shown that DR3 transgenic mice were susceptible to both mouse Tg and human Tg-induced EAT, whereas DQ8 transgenic mice were moderately susceptible only to human Tg induction. In this report, we examined the effect of DQ8 transgene on mouse Tg- and human Tg-induced EAT in double transgenic DR3/DQ8 mice. After mouse Tg induction, thyroiditis in DR3+DQ8+ Ab0/B10 mice was significantly less severe than in DR3+ mice but more severe than in DQ8+ mice. No difference in thyroiditis was observed between DR3+ and DR3+DQ8+ mice in another background strain, Ab0/NOD. However, after immunization with human Tg, DQ8 coexpression downregulated thyroiditis severity, compared to DR3+ mice, whereas thyroiditis was more extensive than in DQ8+ mice. Thus, depending on the background strain and the Tg used to induce disease, the presence of the DQ8 transgene can reduce thyroiditis mediated by DR3 molecules.

Original languageEnglish (US)
Pages (from-to)213-220
Number of pages8
JournalJournal of Autoimmunity
Volume18
Issue number3
DOIs
StatePublished - May 2002

Fingerprint

Autoimmune Thyroiditis
Thyroiditis
HLA Antigens
Transgenes
Thyroglobulin
Down-Regulation
Transgenic Mice
Immunization
Hashimoto Disease
Inbred NOD Mouse
Autoantigens

Keywords

  • Autoimmune thyroiditis
  • EAT
  • HLA-DQ8
  • HLA-DR3
  • NOD

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Coexpression of susceptible and resistant HLA class II transgenes in murine experimental autoimmune thyroiditis : DQ8 molecules downregulate DR3-mediated thyroiditis. / Flynn, Jeffrey C.; Wan, Qiang; Panos, John C.; Mc Cormick, Daniel J; Giraldo, Alvaro A.; David, Chella S.; Kong, Yi Chi M.

In: Journal of Autoimmunity, Vol. 18, No. 3, 05.2002, p. 213-220.

Research output: Contribution to journalArticle

Flynn, Jeffrey C. ; Wan, Qiang ; Panos, John C. ; Mc Cormick, Daniel J ; Giraldo, Alvaro A. ; David, Chella S. ; Kong, Yi Chi M. / Coexpression of susceptible and resistant HLA class II transgenes in murine experimental autoimmune thyroiditis : DQ8 molecules downregulate DR3-mediated thyroiditis. In: Journal of Autoimmunity. 2002 ; Vol. 18, No. 3. pp. 213-220.
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