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Cell. 1989 Jan 13;56(1):27-35.

The V beta-specific superantigen staphylococcal enterotoxin B: stimulation of mature T cells and clonal deletion in neonatal mice.

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Howard Hughes Medical Institute, National Jewish Center for Immunology and Respiratory Medicine, Denver, Colorado 80206.


Staphylococcal enterotoxin B is known to be a powerful T cell stimulant in mouse and man. In this paper we show that, for mice, this is because the protein in association with major histocompatibility complex class II molecules stimulates virtually all T cells bearing V beta 3 and V beta 8.1, 8.2, and 8.3, and few others. Neonatal mice given the enterotoxin eliminate all mature, and some immature, T cells bearing these V beta s, demonstrating that tolerance to exogenously administered antigen can be caused by clonal deletion of reactive T cells. The enterotoxin shares these "superantigenic" properties with known self-antigens in mice, Mls-1a and Mls-2a, and a B cell-derived product, a shared property that is unlikely to be coincidental or inconsequential.

[Indexed for MEDLINE]

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