Autoreactive T cells and their role in atopic dermatitis

Tina De Bruyn Carlier, Fariza Mishaal Saiema Badloe, Johannes Ring, Jan Gutermuth, Inge Kortekaas Krohn

Research output: Contribution to journalReview articlepeer-review

15 Scopus citations

Abstract

Atopic dermatitis (AD) is an itchy, non-contagious relapsing and chronic inflammatory skin disease that usually develops in early childhood. This pathology is associated with food allergy, allergic asthma, allergic rhinitis and anaphylaxis which may persist in adulthood. The underlying mechanisms of AD (endotypes) are just beginning to be discovered and show a complex interaction of various pathways including skin barrier function and immune deviation. Immune reactions to self-proteins (autoantigens) of the skin have been identified in patients with inflammatory skin diseases, such as chronic spontaneous urticaria, connective tissue disease, pemphigus vulgaris and bullous pemphigoid. IgE antibodies and T cells directed against epitopes of the skin were observed in adult patients with severe and chronic AD as well. This was associated with disease severity and suggests a progression from allergic inflammation to severe autoimmune processes against the skin. IgE-mediated autoimmunity and self-reactive T cells might accelerate the ongoing skin inflammation or might contribute to the relapsing course of the disease. However, to date, the exact mechanisms of IgE-mediated autoimmunity and self-reactive T cells in the pathophysiology of AD are still unclear. The aim of this review is to evaluate the development of (autoreactive) T cells and their response to (auto)antigens, as well as the role of the peripheral tolerance in autoimmunity in the pathophysiology of AD, including the unmet needs and gaps.

Original languageEnglish
Article number102634
JournalJournal of Autoimmunity
Volume120
DOIs
StatePublished - Jun 2021

Keywords

  • Atopic dermatitis
  • Autoallergens
  • Autoallergy
  • Autoreactive T cells
  • Autoreactivity
  • IgE-mediated autoimmunity

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