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Contribution of autoallergy to the pathogenesis in the NOD mice
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
2015 (English)In: Autoimmunity, ISSN 0891-6934, E-ISSN 1607-842X, Vol. 48, no 5, 298-304 p.Article in journal (Refereed) Published
Abstract [en]

The immunoglobulin isotype IgE is commonly associated with allergy. However, its involvement in autoimmune disease in general, and Type 1 diabetes (T1D) in particular, is still not completely clarified, nonetheless IgE has been observed in patients with T1D. In this article, we aimed to elucidate the contribution of IgE in the pathogenesis of the disease in a spontaneous model for T1D, i.e. the NOD mouse. We observed increased levels of IgE in splenic, lymph node and peripheral blood B cells in the NOD mice compared to the control C57BL/6 (B6) mice. No correlation was found between the IgE levels on B cells and those in the sera of these mice, indicating a B cell intrinsic property mediating IgE capture in NOD. Functionally, the B cells from NOD were similar to B6 in rescuing the IgE-mediated immune response via the low affinity receptor CD23 in a transgenic adoptive transfer system. However, the involvement of IgE in diabetes development was clearly demonstrated, as treatment with anti-IgE antibodies delayed the incidence of the diabetes in the NOD mice compared to the PBS treated group. Pancreas sections from a 13-week-old NOD revealed the presence of tertiary lymphoid structures with T cells, B cells, germinal centers and IgE suggesting the presence of autoantigen specific IgE. Our study provides an insight to the commonly overlooked immunoglobulin IgE and its potential role in autoimmunity.

Place, publisher, year, edition, pages
2015. Vol. 48, no 5, 298-304 p.
Keyword [en]
Autoallergy, B lymphocytes, IgE, NOD mouse, Type 1 diabetes
National Category
Immunology in the medical area
URN: urn:nbn:se:uu:diva-261967DOI: 10.3109/08916934.2015.1016220ISI: 000359797600004PubMedID: 25707684OAI: oai:DiVA.org:uu-261967DiVA: diva2:853622
Swedish Diabetes AssociationSwedish Child Diabetes FoundationLars Hierta Memorial Foundation
Available from: 2015-09-14 Created: 2015-09-07 Last updated: 2015-09-14Bibliographically approved

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Ding, Zhoujie
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