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Infect. Immun., 03 1996, 714-718, Vol 64, No. 3
BE Barton, J Shortall and JV Jackson
BALB/By mice given doses of D-galactosamine plus Staphylococcus aureus
enterotoxin B die within 48 h of administration. The cause of death is a
syndrome much like toxic shock syndrome in humans. We used this model to
investigate the role of two cytokines, interleukin 6 and interleukin 11,
which share the signal transducing subunit, gp130, of their respective
receptors. We observed that pretreatment of mice with antibody to
interleukin 6 increased mortality from 55% to nearly 90% (P < 0.001),
while pretreatment with either cytokine reduced death. The protection was
dose dependent; however, interleukin 6 was about 10-fold more potent that
interleukin 11. These data indicate that endogenous interleukin 6 plays a
protective role in attenuating acute inflammatory responses; furthermore,
interleukin 6 and interleukin 11 can abrogate T- cell activation due to
triggering by superantigen. A possible clinical role for these cytokines in
the treatment of toxic shock merits further investigation.
Copyright © 1996, American Society for Microbiology
Interleukins 6 and 11 protect mice from mortality in a staphylococcal enterotoxin-induced toxic shock model
Department of Immunology, Schering-Plough Research Institute, Kenilworth, New Jersey 07033, USA.
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