Histamine inhibits lipopolysaccharide-induced interleukin (IL)-18 production in human monocytes

Hideo Kohka Takahashi, Hiromi Iwagaki, Shuji Mori, Tadashi Yoshino, Noriaki Tanaka, Masahiro Nishibori

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Lipopolysaccharide (LPS) is an inducer of interleukin (IL)-18, which in turn plays important roles in immune responses. Previously, we reported that tumor necrosis factor (TNF)-α production could be detected in human peripheral blood mononuclear cells (PBMCs) treated with relatively low concentration of LPS (1 ng/ml), but that same concentration of LPS could not induce IL-18 production. In the present study, we found that LPS at relatively high concentrations (10-1000 ng/ml) induced IL-18 production in a concentration-dependent manner both in monocytes isolated from PBMC, and that histamine (10-7 to 10-4 M) inhibited IL-18 production induced by LPS. The studies using receptor subtype-selective agonists and antagonists suggested that the effect of histamine was mediated by H2 receptor but not by H1, H3 and H4 receptors. Therefore, the stimulation of H2 receptor might be beneficial in the treatment of sepsis through inhibiting LPS-elicited IL-18.

Original languageEnglish
Pages (from-to)30-34
Number of pages5
JournalClinical Immunology
Volume112
Issue number1
DOIs
Publication statusPublished - Jul 2004

Fingerprint

Interleukin-18
Histamine
Lipopolysaccharides
Monocytes
Histamine H2 Receptors
Blood Cells
Histamine H3 Receptors
Sepsis
Tumor Necrosis Factor-alpha

Keywords

  • cAMP
  • H2 receptor
  • Histamine
  • Human
  • IL-18, LPS
  • Monocyte
  • PBMC

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Histamine inhibits lipopolysaccharide-induced interleukin (IL)-18 production in human monocytes. / Takahashi, Hideo Kohka; Iwagaki, Hiromi; Mori, Shuji; Yoshino, Tadashi; Tanaka, Noriaki; Nishibori, Masahiro.

In: Clinical Immunology, Vol. 112, No. 1, 07.2004, p. 30-34.

Research output: Contribution to journalArticle

Takahashi, Hideo Kohka ; Iwagaki, Hiromi ; Mori, Shuji ; Yoshino, Tadashi ; Tanaka, Noriaki ; Nishibori, Masahiro. / Histamine inhibits lipopolysaccharide-induced interleukin (IL)-18 production in human monocytes. In: Clinical Immunology. 2004 ; Vol. 112, No. 1. pp. 30-34.
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