Immunopathology of the placenta in pemphigoid gestationis and linear IgA disease

Susan E. Kelly, S Fleming, B S Bhogal, F Wojnarowska, M M Black

    Research output: Contribution to journalArticle

    24 Citations (Scopus)

    Abstract

    We have investigated the immunopathology of the placenta in bullous diseases by studying the deposition of immune complexes and expression of MHC class II subregion products by immunohistological methods. Placentae from seven patients with pemphigoid gestationis (PG) and two patients with linear IgA disease were studied. In PG immune complexes containing IgGI and C3 were identified in six cases. In linear IgA disease IgAI containing immune complexes were found in both cases. Placentae from patients with PG showed aberrant expression of MHC Class II products. This was not seen in the placentae from patients with linear IgA disease. In PG there was incoordinate expression of the subregion products, DP and DR being more extensively and consistently expressed than DQ. These results and previous immunogenetic studies suggest that PG may be unique among organ specific autoimmune disease, the autoantibodies forming during an allogenic response rather than target cells behaving as antigen presenting cells.
    Original languageEnglish
    Pages (from-to)735-43
    Number of pages9
    JournalBritish Journal of Dermatology
    Volume120
    Issue number6
    DOIs
    Publication statusPublished - 1989

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    Pemphigoid Gestationis
    Immunoglobulin A
    Placenta
    Antigen-Antibody Complex
    Immunogenetics
    Antigen-Presenting Cells
    Autoantibodies
    Autoimmune Diseases

    Cite this

    Kelly, Susan E. ; Fleming, S ; Bhogal, B S ; Wojnarowska, F ; Black, M M. / Immunopathology of the placenta in pemphigoid gestationis and linear IgA disease. In: British Journal of Dermatology. 1989 ; Vol. 120, No. 6. pp. 735-43.
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    Immunopathology of the placenta in pemphigoid gestationis and linear IgA disease. / Kelly, Susan E.; Fleming, S; Bhogal, B S; Wojnarowska, F; Black, M M.

    In: British Journal of Dermatology, Vol. 120, No. 6, 1989, p. 735-43.

    Research output: Contribution to journalArticle

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    AU - Kelly, Susan E.

    AU - Fleming, S

    AU - Bhogal, B S

    AU - Wojnarowska, F

    AU - Black, M M

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    AB - We have investigated the immunopathology of the placenta in bullous diseases by studying the deposition of immune complexes and expression of MHC class II subregion products by immunohistological methods. Placentae from seven patients with pemphigoid gestationis (PG) and two patients with linear IgA disease were studied. In PG immune complexes containing IgGI and C3 were identified in six cases. In linear IgA disease IgAI containing immune complexes were found in both cases. Placentae from patients with PG showed aberrant expression of MHC Class II products. This was not seen in the placentae from patients with linear IgA disease. In PG there was incoordinate expression of the subregion products, DP and DR being more extensively and consistently expressed than DQ. These results and previous immunogenetic studies suggest that PG may be unique among organ specific autoimmune disease, the autoantibodies forming during an allogenic response rather than target cells behaving as antigen presenting cells.

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