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- 저자 : Nicolas Cuburu (검색결과 1 건)
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Immunohistochemical Characterization of the Human Sublingual Mucosa
Youngnim Choi,Sung Doo Hong,Jongho Lee,Nicolas Cuburu,Giulietta Saletti,Cecil Czerkinsky KOREAN ACADAMY OF ORAL BIOLOGY 2009 International Journal of Oral Biology Vol.34 No.3
The sublingual locus has recently received great attention as a delivery site for various immunotherapies, including those that induce allergen-specific tolerance, and for vaccines that generate protective immunity. To further understand the immune functions of the human sublingual mucosa, we characterized the distribution of various immunocytes therein by immunohistochemistry. We identified professional antigen presenting cells (APCs), including Langerhans cells (LCs) and macrophages. CD1a+ and langerin+ LCs were further found to be distributed in the basal and supra-basal layers of the epithelium, and macrophages were identified in the lamina propria. HLA-DR+ cells were observed in both the epithelium and the lamina propria, which mirrors the tissue distribution of LCs and macrophages within these tissues. CD3+, CD4+, and CD8+ T cells were found to be distributed along the basal layer of the epithelium and also in the lamina propria. Although B cells, plasma cells, and Foxp3+ regulatory T cells (Tregs) were only occasionally observed in the human sublingual mucosa in the absence of inflammation, they did show enrichment at inflammatory sites. Hence, we have further elucidated the immune cell component distribution in human sublingual mucosa.
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