Interleukin 1 binding to its type i, but not type ii receptor, modulates the in vivo acute phase response

Hester S A Oldenburg, Hester S A Oldenburg, Jeffrey H. Pruitt, Douglas D. Lazarus, Douglas D. Lazarus, Michael A. Rogy, Michael A. Rogy, Richard Chizzonite, Stephen F. Lowry, Lyle L. Moldawer, Lyle L. Moldawer

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Neutralizing monoclonal antibodies against the murine interleukin 1 (IL-1) type I (mAb 35F5) and type II receptor (mAb 4E2) were used to passively immunize mice prior to exogenous murine IL-1α administration or a sterile-turpentine induced abscess. When mice were passively immunized with 35F5, the anorexia, weight loss and increased plasma acute phase protein levels in response to exogenous IL-1α administration or a turpentine abscess were significantly attenuated. In contrast, passive immunization with 4E2 had only variable effects on food intake, body weight and the hepatic acute phase response in mice administered IL-1α. In mice following a turpentine abscess, type II receptor blockade (4E2) either had no effect, or in some cases, actually increased the plasma IL-6 and acute phase protein responses. We conclude that in response to a turpentine abscess, the anorexia, weight loss and the induction of several hepatic acute phase reactants result in part from IL-1 binding to its type I receptor. Binding of IL-1 to the type II IL-1 receptor does not appear to be involved in the induction of these host nonspecific responses to inflammation.

Original languageEnglish (US)
Pages (from-to)510-516
Number of pages7
JournalCytokine
Volume7
Issue number6
DOIs
StatePublished - Aug 1995

Keywords

  • Amyloid P
  • Cachexia
  • Inflammation
  • Interleukin 6

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Biochemistry
  • Hematology
  • Molecular Biology

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