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Related Experiment Videos

Epitope spreading: lessons from autoimmune skin diseases

L S Chan1, C J Vanderlugt, T Hashimoto

  • 1VA Chicago Health Care System, Department of Dermatology, Northwestern University Medical School, Illinois 60611-3010, USA.

The Journal of Investigative Dermatology
|February 11, 1998
PubMed
Summary

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Autoimmune diseases involve immune responses against self proteins. Epitope spreading describes how these responses can expand to new targets, potentially driving autoimmune skin disease progression.

Area of Science:

  • Immunology
  • Dermatology
  • Autoimmunity

Background:

  • Autoimmune diseases arise from aberrant T and B cell responses to self proteins.
  • Immune responses are typically directed at single immunogenic epitopes.
  • Recent findings suggest immune targets can expand, a process known as epitope spreading.

Purpose of the Study:

  • To define the phenomenon of epitope spreading in animal models of autoimmune diseases.
  • To propose the role of epitope spreading in the pathogenesis of autoimmune skin diseases.
  • To aid the dermatology community in understanding and treating autoimmune skin conditions.

Main Methods:

  • Review of current concepts in animal models of autoimmune diseases.
  • Analysis of the definition and mechanisms of epitope spreading.

Related Experiment Videos

  • Proposal of epitope spreading's relevance to autoimmune skin diseases.

    • Main Results:

    • Epitope spreading involves the expansion of immune responses to new epitopes on self proteins or other antigens.
    • Tissue damage can expose sequestered antigens, initiating secondary autoimmune responses.
    • Epitope spreading appears to be physiologically important in determining the course and duration of experimental autoimmune diseases.

    Conclusions:

    • Epitope spreading is a key phenomenon in the progression of autoimmune diseases.
    • Understanding epitope spreading is crucial for elucidating the pathogenesis of autoimmune skin diseases.
    • This knowledge may lead to the development of rational, disease-specific immunotherapies for autoimmune skin conditions.