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Adherence of RFD-1 ...
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Mölne, Johan,1958Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin , Avdelningen för patologi,Institute of Laboratory Medicine, Dept of Pathology
(author)
Adherence of RFD-1 positive dendritic cells to the basal surface of thyroid follicular cells in Graves' disease.
- Article/chapterEnglish1994
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LIBRIS-ID:oai:gup.ub.gu.se/280387
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https://gup.ub.gu.se/publication/280387URI
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Subject category:art swepub-publicationtype
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HLA-DR positive cells infiltrating Graves' thyroid tissue were examined for their expression of cell-specific immunological markers using light and electron microscopic immunostaining of frozen sections and isolated open thyroid follicles. Graves' glands (n = 21) were enriched of CD68 and Leu-M5/CD11c positive monocytes/macrophages as well as CD4 and CD8 lymphocytes. These cell types were distributed juxta-follicular as well as in other tissue areas. Only the RFD-1 antibody, considered to label antigen-presenting cells including dendritic cells, identified cells invariably located close to the interstitial follicular surface. After follicle isolation, RFD-1 cells were enriched compared to Leu-M5 cells and exclusively adherent to the follicular epithelium. The plasma membrane of RFD-1 positive cells were in intimate contact with the basolateral membrane of the thyrocytes, sometimes extending deeply into the intercellular space of the epithelium. Parallel labelling experiments suggested that the follicle-adhering RFD-1 cells also expressed HLA-DR. Our findings show that in human thyroid glands with Graves' disease RFD-1 positive cells with a dendritic morphology establish direct contact with the follicular epithelium. In view of the fact that both HLA-DR and RFD-1 are associated with antigen-presenting functions it is suggested that a direct interaction of dendritic cells with thyrocytes might be an important component of the autoimmune reaction in Graves' disease.
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Jansson, S
(author)
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Ericson, L E
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Nilsson, M
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Göteborgs universitetInstitutionen för laboratoriemedicin , Avdelningen för patologi
(creator_code:org_t)
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In:Autoimmunity17:1, s. 59-710891-6934
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