Retro-orbital autoimmunity.
What causes Graves' ophthalmopathy is still a mystery, but the disease process results from a complex interplay of genetic and environmental factors. Genes such as those encoding for human leukocyte antigens, cytokines or putative target antigens may determine a patient's susceptibility to the disease and the disease severity, but environmental factors may determine its course. During the last 5 years, significant progress has been made towards a more in-depth understanding of the initiating events of the orbital immune process which occur in the context of autoimmune thyroid disease. Once established, the chronic inflammatory process within the orbital tissues appears to take on a momentum of its own. The work of many investigators has recently helped to extend our knowledge about the effector and target cells, and their reciprocal interaction, in the evolution and perpetuation of the orbital immune process. This chapter's focus is on the more recent aspects of retro-orbital autoimmunity, discussing new developments concerning orbital T-cell repertoires, candidate orbital antigens, potential target and effector cells, and their role in the extrathyroidal manifestations of autoimmune thyroid disease.
Heufelder
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AE
Medizinische Klinik, Klinikum Innenstadt, Ludwig-Maximilians-University, München, Germany.
D015551:Autoimmunity / Q000502:physiology*; D015815:Cell Adhesion Molecules / Q000502:physiology; D006111:Graves Disease / Q000276:immunology; D006801:Humans; D009915:Orbit / Q000276:immunology*; D013601:T-Lymphocytes / Q000502:physiology
D015815:Cell Adhesion Molecules