Cited by 67Sirtuins and Resveratrol in MedicineImmune Response and InflammationInflammasome and immune disorders

The sirtuin inhibitor cambinol impairs MAPK signaling, inhibits inflammatory and innate immune responses and protects from septic shock

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Lugrin, Jérôme, Ciarlo, Eleonora, Santos, Alba, Grandmaison, Gaël, Dos Santos, Isis, Le Roy, Didier, Roger, Thierry·2013·Biochimica et Biophysica Acta (BBA) - Molecular Cell Research

Abstract

Sirtuins (SIRT1-7) are NAD(+)-dependent histone deacetylases (HDACs) that play an important role in the control of metabolism and proliferation and the development of age-associated diseases like oncologic, cardiovascular and neurodegenerative diseases. Cambinol was originally described as a compound inhibiting the activity of SIRT1 and SIRT2, with efficient anti-tumor activity in vivo. Here, we studied the effects of cambinol on microbial sensing by mouse and human immune cells and on host innate immune responses in vivo. Cambinol inhibited the expression of cytokines (TNF, IL-1β, IL-6, IL-12p40, and IFN-γ), NO and CD40 by macrophages, dendritic cells, splenocytes and whole blood stimulated with a broad range of microbial and inflammasome stimuli. Sirtinol, an inhibitor of SIRT1 and SIRT2 structurally related to cambinol, also decreased macrophage response to TLR stimulation. On the contrary, selective inhibitors of SIRT1 (EX-527 and CHIC-35) and SIRT2 (AGK2 and AK-7) used alone or in combination had no inhibitory effect, suggesting that cambinol and sirtinol act by targeting more than just SIRT1 and SIRT2. Cambinol and sirtinol at anti-inflammatory concentrations also did not inhibit SIRT6 activity in in vitro assay. At the molecular level, cambinol impaired stimulus-induced phosphorylation of MAPKs and upstream MEKs. Going well along with its powerful anti-inflammatory activity, cambinol reduced TNF blood levels and bacteremia and improved survival in preclinical models of endotoxic shock and septic shock. Altogether, our data suggest that pharmacological inhibitors of sirtuins structurally related to cambinol may be of clinical interest to treat inflammatory diseases.

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Authors
Lugrin, J., Ciarlo, E., Santos, A., Grandmaison, G., Dos Santos, I., Le Roy, D., & Roger, T.
Affiliations
Centre Hospitalier Universitaire Vaudois (CH)
Corresponding author
Roger, Thierry
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Publisher
Elsevier BV
Published
2013-06
Volume
1833
Issue
6
Pages
1498-1510
ISSN
0167-4889 (ISSN-L)
OpenAlex
W1981486972
Cited by
67
References
82
Citations by year
2026: 1 · 2025: 3 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 6 · 2020: 3 · 2019: 10 · 2018: 9 · 2017: 6 · 2016: 8 · 2015: 6 · 2014: 1 · 2013: 1
FWCI
2.48
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Cell Research (publishedVersion)
  • PubMed (publishedVersion)
  • IRIS (submittedVersion)
  • SERVAL (Université de Lausanne) (submittedVersion)
Funders
  • Swiss National Science Foundation (310000_114073, 310030_132744)
  • Swiss Society for Infectious Diseases
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
sirtuin inhibitors, SIRT1, SIRT2, SIRT6, MAPK signaling, MEK phosphorylation, innate immunity, inflammation, septic shock, endotoxic shock, sirtinol, macrophages, dendritic cells, TLR stimulation, inflammasome, cytokines, TNF-α, bacteremia, anti-inflammatory agents
MeSH terms
Animals, Benzamides, Cells, Cultured, Flow Cytometry, Humans, Immunity, Innate, Inflammation, Klebsiella Infections, Klebsiella pneumoniae, Macrophages, Mice, Inbred BALB C, Naphthalenes, Naphthols, Pyrimidinones, RNA, Messenger, Shock, Septic, Blotting, Western, Cytokines, Apoptosis, Reverse Transcriptase Polymerase Chain Reaction, Mitogen-Activated Protein Kinases, Sirtuins, Cell Proliferation, Mice, Real-Time Polymerase Chain Reaction

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