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T Cells Are Required for the Production of Blister-Inducing Autoantibodies in Experimental Epidermolysis Bullosa Acquisita
Medical University of Lubeck.
Medical University of Lubeck.
Medical University of Lubeck.
Medical University of Lubeck.
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2010 (English)In: JOURNAL OF IMMUNOLOGY, ISSN 0022-1767, Vol. 184, no 3, 1596-1603 p.Article in journal (Refereed) Published
Abstract [en]

Epidermolysis bullosa acquisita is a prototypical organ-specific autoimmune disease caused by autoantibodies against type VII collagen of the dermal-epidermal junction. Although mechanisms of autoantibody-induced blister formation were extensively characterized, the initiation of autoantibody production in autoimmune blistering diseases is still poorly defined. In the current study, we addressed the role of T cells for the production of blister-inducing autoantibodies in mice immunized with type VII collagen. To detect autoreactive type VII collagen-specific T cells, lymph node cells from immunized SJL mice were stimulated in vitro with recombinant Ag, and their proliferation was measured by radioactive thymidine incorporation and flow cytometry analysis of CFSE-labeled cells. Interestingly, using synthetic peptides of the immunogen, partly different T and B cell epitopes in mice immunized with type VII collagen were demonstrated. In contrast to wild-type mice, immunization with type VII collagen of SJL athymic nude mice lacking T cells did not induce an autoimmune response and blistering phenotype. Importantly, SJL nude mice repleted with T cells from immunized wild-type mice showed a robust and durable autoantibody production resulting in subepidermal blistering disease in the recipients. Our present results demonstrate that T cells are required for the initiation of autoimmunity against type VII collagen in experimental epidermolysis bullosa acquisita and provide a basis for developing T cell-directed immunomodulatory strategies for this and related autoimmune diseases.

Place, publisher, year, edition, pages
2010. Vol. 184, no 3, 1596-1603 p.
National Category
Medical and Health Sciences
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URN: urn:nbn:se:liu:diva-53933DOI: 10.4049/jimmunol.0901412ISI: 000273956400054OAI: oai:DiVA.org:liu-53933DiVA: diva2:293554
Available from: 2010-02-12 Created: 2010-02-12 Last updated: 2010-02-12

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Hultman, Per

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Molecular and Immunological Pathology Faculty of Health SciencesDepartment of Clinical Pathology and Clinical Genetics
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
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