PreprintCited by 608Sirtuins and Resveratrol in MedicineAngiogenesis and VEGF in CancerNitric Oxide and Endothelin Effects

SIRT1 Controls Endothelial Angiogenic Functions During Vascular Growth

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Potente, Michael, Ghaeni, Laleh, Baldessari, Danila, Mostoslavsky, Raul, Rossig, Lothar, Dequiedt, Franck, Haendeler, Judith, Mione, Marina +4 more·2007·Genes & Development

Abstract

The nicotinamide adenine dinucleotide (NAD(+))-dependent histone deacetylase Sir2 regulates life-span in various species. Mammalian homologs of Sir2 are called sirtuins (SIRT1-SIRT7). In an effort to define the role of sirtuins in vascular homeostasis, we found that among the SIRT family, SIRT1 uniquely regulates angiogenesis signaling. We show that SIRT1 is highly expressed in the vasculature during blood vessel growth, where it controls the angiogenic activity of endothelial cells. Loss of SIRT1 function blocks sprouting angiogenesis and branching morphogenesis of endothelial cells with consequent down-regulation of genes involved in blood vessel development and vascular remodeling. Disruption of SIRT1 gene expression in zebrafish and mice results in defective blood vessel formation and blunts ischemia-induced neovascularization. Through gain- and loss-of-function approaches, we show that SIRT1 associates with and deacetylates the forkhead transcription factor Foxo1, an essential negative regulator of blood vessel development to restrain its anti-angiogenic activity. These findings uncover a novel and unexpected role for SIRT1 as a critical modulator of endothelial gene expression governing postnatal vascular growth.

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  • Sirtuin-1 plays an essential role in regulation of angiogenesis, a protective role against oxidative stress and cardiovascular disease, and higher expression levels of sirtuin-1 are associated with reducing disease.

    “Sirtuin-1 plays an essential role in the regulation of angiogenesis, a protective role against oxidative stress and cardiovascular disease and higher expression levels of sirtuin-1 are associated with reducing disease (176–178).”

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Research works printed but not linked: 1

  1. Smith, J.S., Brachmann, C.B., Celic, I., Kenna, M.A., Muham- mad, S., Starai, V.J., Avalos, J.L., Escalante-Semerena, J.C., Grubmeyer, C., Wolberger, C., et al. 2000. A phylogeneti- cally conserved NAD + -dependent protein deacetylase activ- ity in the Sir2 protein family. Proc. Natl. Acad. Sci. 97: 6658-6663.

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Authors
Potente, M., Ghaeni, L., Baldessari, D., Mostoslavsky, R., Rossig, L., Dequiedt, F., Haendeler, J., Mione, M., Dejana, E., Alt, F. W., Zeiher, A. M., & Dimmeler, S.
Affiliations
  • Goethe University Frankfurt (DE)
  • IFOM (IT)
  • University of Liège (BE)
  • Howard Hughes Medical Institute (US)
Corresponding author
Dimmeler, Stefanie
Venue
Genes & Development
Published
2007-10-15
Volume
21
Issue
20
Pages
2644-2658
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2099806958
Cited by
608
References
52
Citations by year
2026: 15 · 2025: 15 · 2024: 15 · 2023: 23 · 2022: 32 · 2021: 36 · 2020: 43 · 2019: 23 · 2018: 40 · 2017: 44 · 2016: 29 · 2015: 38 · 2014: 43 · 2013: 49 · 2012: 42
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Research Information System (Università degli Studi di Trento) (submittedVersion)
  • ORBi (University of Liège) (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft (PO1306/1-1)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
SIRT1, sirtuins, angiogenesis, endothelial cells, sprouting angiogenesis, branching morphogenesis, FOXO1, histone deacetylation, vascular remodeling, neovascularization, ischemia, vascular development, zebrafish, mice
MeSH terms
Forkhead Box Protein O1, Animals, Blood Vessels, Cells, Cultured, Humans, Mice, Mutant Strains, Mice, Transgenic, Morphogenesis, Zebrafish, Mice, Knockout, Gene Expression Regulation, Developmental, Neovascularization, Physiologic, RNA Interference, Sirtuins, Endothelial Cells, Mice, Forkhead Transcription Factors, Sirtuin 1

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