Placing regulatory T cells into global theories of immunity: an analysis of Cohn's challenge to integrity (Dembic).
In broadening the integrity model, Zlatko Dembic provided one of the few plausible explanations for the existence of regulatory T cells that has been postulated to date and at the same time highlighted deficiencies of the associative antigen recognition model. In defending the virtues of associative antigen recognition, Melvin Cohn has challenged the integrity model and the concept that regulatory T cells have a role in defining the specificity of immune responses. The critique of Cohn's analysis I present here suggests that a greater consideration of quantitative evolutionary constraints removes most of the challenges to integrity.
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Department of Surgery, Alberta Diabetes Institute, University of Alberta, Edmonton, AB, Canada. colinand@ualberta.ca
D000818:Animals; D006801:Humans; D007109:Immunity / Q000502:physiology*; D018448:Models, Immunological; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*