PMID: 18411715Apr 17, 2008Paper

Association of ocular inflammation and innate immune response

Nippon Ganka Gakkai zasshi
Koh-Hei Sonoda

Abstract

Immune response has been divided into innate immunity and acquired immunity. We focused on the role of innate immunity during the formation of uveitis and choroidal neovascularization (CNV)-related diseases. To carry out a comprehensive analysis of ocular inflammatory responses in patients with uveitis, vitreous fluid was analyzed using a microbead-based multiplex ELIZA system. We found that cytokines which were related with innate immunity were elevated, but cytokines which were related with acquired immunity were not. We also found that the role of IL-17 was to produce Th17 cells in the chronic phase of experimental uveitis. Next, we investigated the role of the natural killer (NK) T cells which restrict CD1 and participate in the innate immune response in laser-induced experimental CNV. We studied the CNV formation in two independent NK T cell-deficient strains of mice, CD1 knockout (KO) mice and Jalpha18 KO mice, and found that both KO mice showed significant reduction of the effects of experimental CNV. After laser treatment, both CD1 KO mice and Jalpha18 KO mice showed a decrease in the expression of vascular endothelial growth factor (VEGF) expression in retina and choroid. Interestingly, intravitreous inoculation of a g...Continue Reading

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