Govindarajan Rajagopalan, Manisha Singh, Moon M Sen, Narayana S Murali, Karl A Nath, Chella S David
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Endogenous superantigens shape response to exogenous superantigens.
Endogenous superantigen-mediated thymic negative selection resulted in a paucity of mature T cells bearing T-cell receptor (TCR) Vbeta8 in the periphery. Consequently, the magnitude of immune response to exogenous superantigen staphylococcal enterotoxin B, which activates TCR Vbeta8(+) T cells, was significantly reduced and conferred protection from superantigen-induced mortality.
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