Granulocyte colony-stimulating factor treatment protects rodents against lipopolysaccharide-induced toxicity via suppression of systemic tumor necrosis factor-α

Ingrid Görgen, Thomas Hartung, Marcel Leist, Marcus Niehörster, Gisa Tiegs, Stefan Uhlig, Frank Weitzel, Albrecht Wendel

Research output: Contribution to journalArticle

Abstract

Pretreatment with recombinant human granulocyte CSF (G-CSF) protected mice in two different models of septic shock. Intravenous injection of 250 μg/kg G-CSF to mice prevented lethality induced by 5 mg/kg LPS. Injection of 50 μg/kg G-CSF protected galactosamine-sensitized mice against LPS-induced hepatitis. In either case, this protection was accompanied by a suppression of LPS-induced serum TNF activity. In contrast, when galactosamine-sensitized mice were pretreated with 50 μg/kg murine recombinant granulocyte/macrophage CSF instead of G-CSF and subsequently challenged with LPS, serum TNF activity was significantly enhanced and mortality was increased. The suppressive effect of G-CSF on LPS-induced TNF production was also demonstrated in rats. In vivo, no TNF was detectable in the blood of LPS-treated rats, which had been pretreated with G-CSF. Ex vivo, alveolar macrophages, bone marrow macrophages, Kupffer cells, or peritoneal macrophages prepared from G-CSF-treated rats produced significantly less TNF upon stimulation with LPS than corresponding populations from control rats. However, when these macrophage populations were incubated with G-CSF in vitro, LPS-induced TNF production was unaffected. These data suggest that the G-CSF-mediated suppression of TNF production is not a direct effect of G-CSF on macrophages. To examine whether, independent of the protection against LPS, G-CSF treatment still activated neutrophils, it was demonstrated that granulocytes from G-CSF-treated rats were primed for PMA-induced oxidative burst and for ionophore/arachidonic acid-stimulated lipoxygenase product formation. The experiments of this study support the notion that G-CSF is a negative feedback signal for macrophage-derived TNF-α production during Gram-negative sepsis.

Original languageEnglish (US)
Pages (from-to)918-924
Number of pages7
JournalJournal of Immunology
Volume149
Issue number3
StatePublished - Aug 1 1992
Externally publishedYes

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Granulocyte Colony-Stimulating Factor
Granulocytes
Lipopolysaccharides
Rodentia
Tumor Necrosis Factor-alpha
Therapeutics
Macrophages
Galactosamine
Arachidonate Lipoxygenases
Kupffer Cells
Population Control
Respiratory Burst
Ionophores
Alveolar Macrophages
Peritoneal Macrophages
Septic Shock
Serum
Intravenous Injections
Hepatitis
Sepsis

ASJC Scopus subject areas

  • Immunology

Cite this

Granulocyte colony-stimulating factor treatment protects rodents against lipopolysaccharide-induced toxicity via suppression of systemic tumor necrosis factor-α. / Görgen, Ingrid; Hartung, Thomas; Leist, Marcel; Niehörster, Marcus; Tiegs, Gisa; Uhlig, Stefan; Weitzel, Frank; Wendel, Albrecht.

In: Journal of Immunology, Vol. 149, No. 3, 01.08.1992, p. 918-924.

Research output: Contribution to journalArticle

Görgen, Ingrid ; Hartung, Thomas ; Leist, Marcel ; Niehörster, Marcus ; Tiegs, Gisa ; Uhlig, Stefan ; Weitzel, Frank ; Wendel, Albrecht. / Granulocyte colony-stimulating factor treatment protects rodents against lipopolysaccharide-induced toxicity via suppression of systemic tumor necrosis factor-α. In: Journal of Immunology. 1992 ; Vol. 149, No. 3. pp. 918-924.
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