Mechanism of heme oxygenase-1 gene induction by quercetin in rat aortic smooth muscle cells

Hui Chen Lin, Tzu-Hurng Cheng, Yen Chou Chen, Shu Hui Juan

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

We previously reported that adenovirus-mediated gene transfer of heme oxygenase-1 (HO-1) inhibits the development of atherosclerosis in apolipoprotein E-deficient mice. This finding implies that HO-1 induction is beneficial for protecting blood vessels. We also found that quercetin, a common polyphenolic compound in foods of plant origin, induces HO-1 expression in RAW264.7 cells. This study was aimed at examining the potency of quercetin as a HO-1 inducer and its regulation in rat aortic smooth muscle cells (RASMCs). We showed that quercetin-induced HO-1 production was in time- and dose-dependent fashions, and that this regulation occurred at both transcription and translation levels. Quercetin increased p38 mitogen-activated protein kinase (p38MAPK), but inhibited extracellular signal-regulated kinase in RASMCs. The level of quercetin-induced HO-1 expression was attenuated by SB202190 (a p38MAPK inhibitor). Taken together from the data in this study, we suggest that quercetin induced HO-1 expression, at least in part, through p38MAPK.

Original languageEnglish
Pages (from-to)107-112
Number of pages6
JournalPharmacology
Volume71
Issue number2
DOIs
Publication statusPublished - 2004

Fingerprint

Heme Oxygenase-1
Quercetin
Smooth Muscle Myocytes
p38 Mitogen-Activated Protein Kinases
Genes
Edible Plants
Extracellular Signal-Regulated MAP Kinases
Apolipoproteins E
Protein Kinase Inhibitors
Adenoviridae
Blood Vessels
Atherosclerosis

Keywords

  • c-Jun N-terminal kinases
  • Extracellular signal-regulated kinase
  • Heme oxygenase
  • Mitogen-activated protein kinase
  • Quercetin
  • Rat aortic smooth muscle cell

ASJC Scopus subject areas

  • Pharmacology

Cite this

Mechanism of heme oxygenase-1 gene induction by quercetin in rat aortic smooth muscle cells. / Lin, Hui Chen; Cheng, Tzu-Hurng; Chen, Yen Chou; Juan, Shu Hui.

In: Pharmacology, Vol. 71, No. 2, 2004, p. 107-112.

Research output: Contribution to journalArticle

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