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. 1968 Dec;96(6):1940–1946. doi: 10.1128/jb.96.6.1940-1946.1968

Pyrogenic Responses to Staphylococcal Enterotoxins A and B in Cats1

Wesley G Clark a, John S Page a
PMCID: PMC252535  PMID: 5724965

Abstract

Pyrogenic responses, ranging up to 4.8 F, were induced in cats by oral administration of highly purified staphylococcal enterotoxin B in doses from 10 to 100 μg/kg. Fever was a more sensitive indicator of intoxication than was emesis. Highly purified preparations of enterotoxin A, whether administered intravenously (0.01 to 1.0 μg/kg), orally (10 to 25 μg/kg), or into the cerebral ventricles (0.005 to 0.020 μg in 0.20 ml), were also pyrogenic in cats. Tolerance to the pyrogenic activity was produced by repeated intravenous injection of a given dose of enterotoxin A but not by repeated intracerebroventricular injection. Enterotoxin A was more potent than enterotoxin B after intravenous injection in causing both fever and emesis. Cross-tolerance could not be demonstrated between enterotoxin A and enterotoxin B or Salmonella typhosa endotoxin. This lack of cross-tolerance plus the inability of large oral doses (100 to 4,700 μg/kg) of endotoxin to cause fever or emesis indicate that the reported responses were attributable to the specific toxins administered and not to contamination by other pyrogens.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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