Transcriptional activation of heme oxygenase-1 gene in mouse spleen, liver and kidney cells after treatment with lipopolysaccharide or hemoglobin

Satoru Oshiro, Hiroki Takeuchi, Midori Matsumoto, Shun Ichi Kurata

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Heme oxygenase (HO)-1 catalyzes the conversion of heme to biliverdin, iron and carbon monoxide. HO-1 is induced by many reagents including heme, Hb and lipopolysaccharide (LPS). LPS is known to activate the HO-1 gene in cultured mouse liver and macrophage cells through oxidative activation of NF-κB. But little is known about the effect of LPS and Hb on the HO-1 gene in living organisms. To study this issue, we examined the HO-1 and its mRNA levels in mouse liver, spleen and kidney after intravenous administration of LPS and Hb. On LPS treatment, the amount of HO-1 and its mRNA increased markedly mainly in mouse spleen, but on Hb treatment the amounts of HO-1 and its mRNA increased slightly only in liver. Run-off transcription assay supported the above results and band shift assays also revealed that LPS significantly activates an NF-κB-like factor in spleen cells, while Hb slightly activates it in liver cells. According to our previous study, a small amount of Hb injected to mouse is selectively taken up by liver as Hb-haptoglobin complex. These results suggest different pathways for the HO gene activation in mouse organs; one by LPS in spleen cells and the other by Hb in liver cells. (C) 1999 Academic Press.

Original languageEnglish
Pages (from-to)465-474
Number of pages10
JournalCell Biology International
Volume23
Issue number7
DOIs
Publication statusPublished - 1999 Jul
Externally publishedYes

Fingerprint

Heme Oxygenase-1
Transcriptional Activation
Lipopolysaccharides
Hemoglobins
Spleen
Kidney
Liver
Genes
Heme
Messenger RNA
Therapeutics
Biliverdine
Heme Oxygenase (Decyclizing)
Haptoglobins
Carbon Monoxide
Intravenous Administration
Iron
Macrophages

Keywords

  • Heme oxygenase-1
  • Hemoglobin
  • Lipopolysaccharide
  • Oxidative activation
  • Oxidative stress

ASJC Scopus subject areas

  • Cell Biology

Cite this

Transcriptional activation of heme oxygenase-1 gene in mouse spleen, liver and kidney cells after treatment with lipopolysaccharide or hemoglobin. / Oshiro, Satoru; Takeuchi, Hiroki; Matsumoto, Midori; Kurata, Shun Ichi.

In: Cell Biology International, Vol. 23, No. 7, 07.1999, p. 465-474.

Research output: Contribution to journalArticle

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