Cited by 157Sirtuins and Resveratrol in MedicineNitric Oxide and Endothelin EffectsFOXO transcription factor regulation

Role of SIRT1 and FOXO factors in eNOS transcriptional activation by resveratrol

Xia, Ning, Strand, Susanne, Schlufter, Frank, Siuda, Daniel, Reifenberg, Gisela, Kleinert, Hartmut, Förstermann, Ulrich, Li, Huige·2013·Nitric Oxide

Abstract

Many of the cardiovascular protective effects of resveratrol are attributable to an enhanced production of nitric oxide (NO) by the endothelial NO synthase (eNOS). Resveratrol has been shown to enhance eNOS gene expression as well as eNOS enzymatic activity. The aim of the present study was to analyze the molecular mechanisms of eNOS transcriptional activation by resveratrol. Treatment of human EA.hy 926 endothelial cells with resveratrol led to a concentration-dependent upregulation of eNOS expression. In luciferase reporter gene assay, resveratrol enhanced the activity of human eNOS promoter fragments (3500, 1600, 633 and 263bp in length, respectively), indicating that the proximal promoter region is required for resveratrol-induced eNOS transcriptional activation. Knockdown of the NAD(+)-dependent protein deacetylase sirtuin 1 (SIRT1) by siRNA prevented the upregulation of eNOS mRNA and protein by resveratrol. Forkhead box O (FOXO) transcription factors are established downstream targets of SIRT1. siRNA-mediated knockdown of FOXO1 and FOXO3a abolished the effect of resveratrol on eNOS expression, indicating the involvement of these factors. Resveratrol treatment enhanced the expression of FOXO1 and FOXO3a in EA.hy 926 cells. Reporter gene assay using promoter containing forkhead response elements showed increased FOXO factor activity by resveratrol. In electrophoretic mobility shift assay, the enhanced binding of nuclear proteins to the eNOS promoter regions by resveratrol could be blocked by antibodies against FOXO1 and FOXO3a. In conclusion, resveratrol enhances the expression and activity of FOXO transcription factors. The SIRT1/FOXO factor axis is involved in resveratrol-induced eNOS transcriptional activation.

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Crossref · 10.1016/j.niox.2013.04.001

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Authors
Xia, N., Strand, S., Schlufter, F., Siuda, D., Reifenberg, G., Kleinert, H., Förstermann, U., & Li, H.
Affiliations
Johannes Gutenberg University Mainz (DE)
Corresponding author
Li, Huige
Venue
Nitric Oxide
Publisher
Elsevier BV
Published
2013-08
Volume
32
Pages
29-35
ISSN
1089-8603 (ISSN-L)
OpenAlex
W1978113733
Cited by
157
References
41
Citations by year
2026: 3 · 2025: 8 · 2024: 16 · 2023: 15 · 2022: 11 · 2021: 14 · 2020: 17 · 2019: 11 · 2018: 8 · 2017: 12 · 2016: 15 · 2015: 9 · 2014: 14 · 2013: 4
FWCI
6.51
Type
journal article
Language
en
Open access
closed
Locations
  • Nitric Oxide (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › FOXO transcription factor regulation
Keywords
resveratrol, endothelial nitric oxide synthase, SIRT1, FOXO1, FOXO3, transcriptional activation, protein deacetylation, endothelial cells, cardioprotection
MeSH terms
Resveratrol, Analysis of Variance, Cell Line, Humans, Promoter Regions, Genetic, Stilbenes, Transcriptional Activation, Up-Regulation, RNA, Small Interfering, Forkhead Transcription Factors, Nitric Oxide Synthase Type III, Gene Knockdown Techniques, Sirtuin 1

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