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Protection against lethal pneumococcal septicemia in pigs is associated with decreased levels of interleukin-6 in blood.

AbstractInjection of type 6b pneumococci into pigs results in a sharp rise in levels of interleukin-6 (IL-6) in blood, with an average peak value of 7,700 U/ml at 4 h and mortality in five of seven of these animals. Pretreatment at -24 h with the monocyte activator MTP-PE prevents this strong increase in IL-6 (peak value, 1,000 U/ml) and reduces mortality to zero of six animals. This suggests that MTP-PE, in addition to activating monocytes, protects animals by preventing the harmful increase of cytokines such as IL-6.
AuthorsH W Ziegler-Heitbrock, B Passlick, E Käfferlein, P G Coulie, J R Izbicki (Affiliation: Institute for Immunology, Munich, Germany.)
JournalInfection and immunity (Infect Immun) Vol. 60 Issue 4 Pg. 1692-4 (Apr 1992) ISSN: 0019-9567 UNITED STATES
PMID1548092 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Adjuvants, Immunologic
  • Interleukin-6
  • Liposomes
  • Phosphatidylethanolamines
  • Acetylmuramyl-Alanyl-Isoglutamine
  • muramylNAc-Ala-isoGln-Lys-tripeptide-PE
Topics
  • Acetylmuramyl-Alanyl-Isoglutamine (administration & dosage, analogs & derivatives, pharmacology, therapeutic use)
  • Adjuvants, Immunologic (administration & dosage, pharmacology, therapeutic use)
  • Animals
  • Bacteremia (prevention & control)
  • Injections, Intravenous
  • Interleukin-6 (biosynthesis, immunology)
  • Liposomes
  • Monocytes (drug effects, metabolism)
  • Phosphatidylethanolamines (administration & dosage, pharmacology, therapeutic use)
  • Pneumococcal Infections (prevention & control)
  • Swine