IL-10 kinetics in thyroiditis-prone BB/Wor rats

E. M. Allen, I. G. Luzina, S. K. Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cytokines modulate the course of autoimmunity, but their role in the evolution of spontaneous disease is unclear. This study compared the cytokine kinetics of T cell cultures from thyroiditis (LT)-prone NB line BB/Wor rats with those of Wistar (Wis) rat controls following activation with the thyroid-specific antigen thyroglobulin (Tg) or Concanavalin A (Con A). Design: T cell enhanced splenocytes from 60 day old Wis and NB rats were activated with 0.5 μg/ml rat thyroglobulin (Tg) or Con A in the presence of homologous irradiated splenocytes as antigen presenting cells (APC's). In addition, the effect of APC's was determined in a crisscross experiment which examined NB T cell responses to Con A in the presence of Wis APC's. ELISA and RT-PCR were used to examine IL-2, IL-4, IL-10, TNFα, IFNγ, IL-10 concentrations and mRNA expression in the supernatant and cells from parallel cultures harvested at specific intervals. Frozen thyroids from 60 day old NB, Wis and Fisher rats were examined for the presence of IL-10 by immunohistochemistry. T cell proliferation was measured by 3H thymidine uptake. Results: Following activation with either Tg or Con A, IL-10 concentrations exceeded IFNγ in NB rat cultures, but IFNγ exceeded IL-10 in Wis cultures. Wis splenocytes significantly enhanced NB T cell proliferation and cytokine responses to Con A. Thyroids from 60 day NB rats contained IL-10, but no IFNγ. There was no IL-10 in thyroids from Wistar or Fisher rats. Conclusion: Splenocyte responses in LT-prone BB/Wor rats favor IL-10 production. Future investigations will examine the source of intrathyroidal IL-10 and its role in LT.

Original languageEnglish
JournalAutoimmunity
Volume32
Issue number4
DOIs
Publication statusPublished - Jan 1 2000
Externally publishedYes

Fingerprint

Inbred BB Rats
Thyroiditis
Interleukin-10
Concanavalin A
Thyroglobulin
T-Lymphocytes
Thyroid Gland
Antigen-Presenting Cells
Wistar Rats
Cytokines
Cell Culture Techniques
Cell Proliferation
Autoimmunity
Interleukin-4
Thymidine
Interleukin-2
Enzyme-Linked Immunosorbent Assay
Immunohistochemistry
Antigens

Keywords

  • Autoimmunity
  • BB Mat
  • Cytokines
  • IFNγ
  • IL-10
  • Thyroiditis

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

IL-10 kinetics in thyroiditis-prone BB/Wor rats. / Allen, E. M.; Luzina, I. G.; Huang, S. K.

In: Autoimmunity, Vol. 32, No. 4, 01.01.2000.

Research output: Contribution to journalArticle

Allen, E. M. ; Luzina, I. G. ; Huang, S. K. / IL-10 kinetics in thyroiditis-prone BB/Wor rats. In: Autoimmunity. 2000 ; Vol. 32, No. 4.
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