exotoxin

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exotoxin

[¦ek·sə¦täk·sən]
(microbiology)
A toxin that is excreted by a microorganism.
References in periodicals archive ?
In addition, the expression of streptococcal toxins such as the CAMP factor and streptococcal pyrogenic exotoxin C of S.
+ - - - ++ 99/18 H366 Pneumonia + - - - + 20/07 H378 Pneumonia + - + - + Focal infection/bacteremia, no STSS 95/8 H295 Cellulitis + - - - ++ 98/1 H319 Cellulitis + - - - ++ 20/01 H369 Pelvic clot + - - - +++ 20/04 H370 Thromobosis + - - - - Focal infection, no bacteremia, no STSS 97/15 H307 Bursitis + - - - + 97/18 H308 Cellulitis + - + - - 97/21 H311 Cellulitis + - - - + 97/23 H314 Cellulitis + - - - ++ 97/24 H315 Cellulitis + - - - - 97/26 H316 Amnionitis + - + - - (a) SAg, superantigen; SPE, streptococcal pyrogenic exotoxin; SME, streptococcal mitogenic exotoxin; STSS, streptococcal toxic shock syndrome.
In addition, recent studies have demonstrated that streptococcal M proteins and streptococcal pyrogenic exotoxins act as superantigens, which cause a marked expansion of both CD4+, and CD8+ T cells.

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