Staphylococcal enterotoxin D functions as a human B cell superantigen by rescuing VH4-expressing B cells from apoptosis

Abstract excerpt

Staphylococcal enterotoxins are potent superantigens, in that they activate T cells bearing specific V beta-chain gene segments. In this study, we analyzed the capacity of staphylococcal enterotoxin D (SED) to function as a B cell superantigen. SED induced T cell-dependent polyclonal proliferation and differentiation of B cells. In the absence of T cells, SED induced survival of B cells uniquely expressing VH4...

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