Tags
aiCD4+ T, antibodies against one's own DNA, Boosters, destabilized immune system, Dr. John B., Ken Tsumiyama, overstimulation, repeated vaccination, Shunichi Shiozawa, vaccine-induced autoimmune process, Yumi Miyazaki
Hat tip and brief contextualizing comment:
Source: PLOS ONE
Self-Organized Criticality Theory of Autoimmunity
Ken Tsumiyama, Yumi Miyazaki, Shunichi Shiozawa
December 31, 2009
Abstract
Background
The cause of autoimmunity, which is unknown, is investigated from a different angle, i.e., the defect in immune ‘system’, to explain the cause of autoimmunity.
Methodology/Principal Findings
Repeated immunization with antigen causes systemic autoimmunity in mice otherwise not prone to spontaneous autoimmune diseases. Overstimulation of CD4+ T cells led to the development of autoantibody-inducing CD4+ T (aiCD4+ T) cell which had undergone T cell receptor (TCR) revision and was capable of inducing autoantibodies. The aiCD4+ T cell was induced by de novo TCR revision but not by cross-reaction, and subsequently overstimulated CD8+ T cells, driving them to become antigen-specific cytotoxic T lymphocytes (CTL). These CTLs could be further matured by antigen cross-presentation, after which they caused autoimmune tissue injury akin to systemic lupus erythematosus (SLE).
Conclusions/Significance
Systemic autoimmunity appears to be the inevitable consequence of over-stimulating the host’s immune ‘system’ by repeated immunization with antigen, to the levels that surpass system’s self-organized criticality.
Continue reading this research paper ======>Source: PLOS ONE<======