CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice

Balaji Balasa, Troy Krahl, Gail Patstone, Jae Lee, Roland Tisch, Hugh O. McDevitt, Nora Sarvetnick

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Abstract

The nonobese diabetic (NOD) mouse spontaneously develops T cell-dependent autoimmune diabetes. Here, we investigate the role of CD40 ligand (CD40L)-CD40 costimulation in the initiation and progression of this disease. Anti-CD40L mAb treatment of 3- to 4-wk-old NOD females (the age at which insulitis typically begins) completely prevented the insulitis and diabetes. In contrast, treatment of such mice with anti-CD40L at >9 wk of age did not inhibit the disease process. These results suggest that a costimulatory signal by CD40L is required early but not in the effector phase of disease development. Anti-CD40L treatment affected the priming of islet Ag-specific T cell responses in vivo. Cytokine analysis revealed a dramatic decrease in IFN-γ and IL-2 release without a concomitant increase in IL-4 production by T cells from anti-CD40L-treated mice. Thus, anti-CD40L impaired the islet Ag-specific Th1 cell response in vivo, and the prevention of diabetes by anti-CD40L was not associated with switching of the response from a Th1 to a Th2 profile. Cotransfer of splenocytes from anti-CD40L-treated mice with splenocytes from diabetic NOD mice into NOD/scid mice did not inhibit the transfer of disease, indicating that anti-CD40L does not prevent the disease by inducing regulatory cells. Since anti-CD40L clearly prevented the insulitis by inhibiting the development and further accumulation of pathogenic Th1 cells to islets of Langerhans, we conclude that CD40L-CD40 costimulation is required for early events in the development of spontaneous autoimmune diabetes.

Original languageEnglish (US)
Pages (from-to)4620-4627
Number of pages8
JournalJournal of Immunology
Volume159
Issue number9
StatePublished - Nov 1 1997

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CD40 Ligand
Inbred NOD Mouse
Th1 Cells
T-Lymphocytes
Type 1 Diabetes Mellitus
Islets of Langerhans
Interleukin-4
Interleukin-2
Disease Progression

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Balasa, B., Krahl, T., Patstone, G., Lee, J., Tisch, R., McDevitt, H. O., & Sarvetnick, N. (1997). CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice. Journal of Immunology, 159(9), 4620-4627.

CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice. / Balasa, Balaji; Krahl, Troy; Patstone, Gail; Lee, Jae; Tisch, Roland; McDevitt, Hugh O.; Sarvetnick, Nora.

In: Journal of Immunology, Vol. 159, No. 9, 01.11.1997, p. 4620-4627.

Research output: Contribution to journalArticle

Balasa, B, Krahl, T, Patstone, G, Lee, J, Tisch, R, McDevitt, HO & Sarvetnick, N 1997, 'CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice', Journal of Immunology, vol. 159, no. 9, pp. 4620-4627.
Balasa B, Krahl T, Patstone G, Lee J, Tisch R, McDevitt HO et al. CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice. Journal of Immunology. 1997 Nov 1;159(9):4620-4627.
Balasa, Balaji ; Krahl, Troy ; Patstone, Gail ; Lee, Jae ; Tisch, Roland ; McDevitt, Hugh O. ; Sarvetnick, Nora. / CD40 Ligand-CD40 Interactions Are Necessary for the Initiation of Insulitis and Diabetes in Nonobese Diabetic Mice. In: Journal of Immunology. 1997 ; Vol. 159, No. 9. pp. 4620-4627.
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