Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis

Hui-Rong Jiang, Lenias Hwenda, K. Makinen, C. Oetke, P. R. Crocker, John Vincent Forrester

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Macrophages are a prominent component of the effector cell compartment in a number of CD4(+) T cell-mediated organ-specific autoimmune diseases. In this study, we investigated the role of the sialic acid binding Ig-like lectin sialoadhesin (Sn, Siglec-1) in a model of interphotoreceptor retinal binding protein peptide-induced experimental autoimmune uveoretinitis in mice with targeted deletion of Sn. Our data show that compared with wild-type mice, experimental autoimmune uveoretinitis is reduced in severity in the initial stages in the Sn knockout (KO) mice. In addition, there is a reduction in the proliferative capacity of T cells from the KO mice draining lymph nodes after immunization with interphotoreceptor retinal binding protein peptides, which is manifest some days before disease onset and persists for the duration of disease. Furthermore, activated T cells from the draining lymph nodes of Sn KO mice secrete lower levels of IFN-gamma. The data suggest a role for Sn in "fine tuning" the immune response to autoantigens by modulating T cell priming.

Original languageEnglish
Pages (from-to)2258-2264
Number of pages6
JournalThe Journal of Immunology
Volume177
Publication statusPublished - Aug 2006

Keywords

  • ACID-BINDING-RECEPTOR
  • CYSTEINE-RICH DOMAIN
  • LYMPH-NODE CORTEX
  • CD4 T-CELLS
  • DENDRITIC CELLS
  • ANTIGEN PRESENTATION
  • MANNOSE RECEPTOR
  • RAT MACROPHAGES
  • TISSUE MACROPHAGES
  • HUMAN IRBP

Cite this

Jiang, H-R., Hwenda, L., Makinen, K., Oetke, C., Crocker, P. R., & Forrester, J. V. (2006). Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis. The Journal of Immunology, 177, 2258-2264.

Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis. / Jiang, Hui-Rong; Hwenda, Lenias; Makinen, K.; Oetke, C.; Crocker, P. R.; Forrester, John Vincent.

In: The Journal of Immunology, Vol. 177, 08.2006, p. 2258-2264.

Research output: Contribution to journalArticle

Jiang, H-R, Hwenda, L, Makinen, K, Oetke, C, Crocker, PR & Forrester, JV 2006, 'Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis', The Journal of Immunology, vol. 177, pp. 2258-2264.
Jiang H-R, Hwenda L, Makinen K, Oetke C, Crocker PR, Forrester JV. Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis. The Journal of Immunology. 2006 Aug;177:2258-2264.
Jiang, Hui-Rong ; Hwenda, Lenias ; Makinen, K. ; Oetke, C. ; Crocker, P. R. ; Forrester, John Vincent. / Sialoadhesin promotes the inflammatory response in experimental autoimmune uveoretinitis. In: The Journal of Immunology. 2006 ; Vol. 177. pp. 2258-2264.
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AB - Macrophages are a prominent component of the effector cell compartment in a number of CD4(+) T cell-mediated organ-specific autoimmune diseases. In this study, we investigated the role of the sialic acid binding Ig-like lectin sialoadhesin (Sn, Siglec-1) in a model of interphotoreceptor retinal binding protein peptide-induced experimental autoimmune uveoretinitis in mice with targeted deletion of Sn. Our data show that compared with wild-type mice, experimental autoimmune uveoretinitis is reduced in severity in the initial stages in the Sn knockout (KO) mice. In addition, there is a reduction in the proliferative capacity of T cells from the KO mice draining lymph nodes after immunization with interphotoreceptor retinal binding protein peptides, which is manifest some days before disease onset and persists for the duration of disease. Furthermore, activated T cells from the draining lymph nodes of Sn KO mice secrete lower levels of IFN-gamma. The data suggest a role for Sn in "fine tuning" the immune response to autoantigens by modulating T cell priming.

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