Article
Positive and negative selection of alphabetaTCR+ T cells in thymectomized adult radiation bone marrow chimeras.
Transplantation - 15 Aug 1999
Colson Y L, Abou El-Ezz A Y, Gaines B A, Ildstad S T
Abstract excerpt
BACKGROUND: The mature T-cell repertoire is characterized by the negative selection of potentially autoreactive T cells and the positive selection of T cells restricted to antigen-recognition in the context of self-MHC molecules. It is currently believed that the thymus is critical for these selection events. Although alpha(beta)T cell receptor (TCR)+ T cells have been reported in thymectomized recipients,...
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