Related Experiment Videos
Current concepts of autoimmune disease
1Department of Immunology and Infectious Diseases, Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205.
Transplantation Proceedings
|June 1, 1988
Summary
Autoimmune diseases arise from an imbalance between immune suppression and self-reactive T cell activation. Overcoming suppressive factors is key to preventing autoimmune reactions.
Area of Science:
- Immunology
- Autoimmune Diseases
Background:
- Immune response understanding has evolved, shifting from clonal deletion to dynamic regulation of anti-self reactions.
- Self-reactive B and T cells persist, and antigen-presenting cells can present self-antigens.
Purpose of the Study:
- To explore the regulatory mechanisms underlying autoimmune disease induction.
- To highlight the critical balance between immune suppression and self-reactive T cell activation.
Main Methods:
- Conceptual review of immune regulation theories.
- Analysis of factors influencing self-antigen presentation and T cell response.
Main Results:
- Autoimmune disease induction hinges on the balance between active suppression and self-reactive T cell help.
- Sufficient affinity and avidity of self-antigen presentation in the context of self-MHC are required for T cell help.
Conclusions:
- The induction of autoimmune disease is determined by the quantitative balance between suppressive factors and self-reactive T cell responses.
- Potent anti-self-reactions are necessary to overcome various suppressive mechanisms.