Cited by 214Pulmonary Hypertension Research and TreatmentsSirtuins and Resveratrol in MedicineMitochondrial Function and Pathology

Sirtuin 3 deficiency is associated with inhibited mitochondrial function and pulmonary arterial hypertension in rodents and humans

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Paulin, Roxane, Dromparis, Peter, Sutendra, Gopinath, Gurtu, Vikram, Zervopoulos, Sotirios, Bowers, Lyndsay, Haromy, Alois, Webster, Linda +3 more·2014·Cell Metabolism

Abstract

Suppression of mitochondrial function promoting proliferation and apoptosis suppression has been described in the pulmonary arteries and extrapulmonary tissues in pulmonary arterial hypertension (PAH), but the cause of this metabolic remodeling is unknown. Mice lacking sirtuin 3 (SIRT3), a mitochondrial deacetylase, have increased acetylation and inhibition of many mitochondrial enzymes and complexes, suppressing mitochondrial function. Sirt3KO mice develop spontaneous PAH, exhibiting previously described molecular features of PAH pulmonary artery smooth muscle cells (PASMC). In human PAH PASMC and rats with PAH, SIRT3 is downregulated, and its normalization with adenovirus gene therapy reverses the disease phenotype. A loss-of-function SIRT3 polymorphism, linked to metabolic syndrome, is associated with PAH in an unbiased cohort of 162 patients and controls. If confirmed in large patient cohorts, these findings may facilitate biomarker and therapeutic discovery programs in PAH.

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Crossref · 10.1016/j.cmet.2014.08.011

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Authors
Paulin, R., Dromparis, P., Sutendra, G., Gurtu, V., Zervopoulos, S., Bowers, L., Haromy, A., Webster, L., Provencher, S., Bonnet, S., & Michelakis, E. D.
Affiliations
  • University of Alberta (CA)
  • Institut universitaire de cardiologie et de pneumologie de Québec (CA)
Corresponding author
Michelakis, Evangelos D.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2014-11
Volume
20
Issue
5
Pages
827-839
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2153420197
Cited by
214
References
61
Citations by year
2026: 9 · 2025: 12 · 2024: 19 · 2023: 16 · 2022: 19 · 2021: 12 · 2020: 19 · 2019: 19 · 2018: 25 · 2017: 21 · 2016: 26 · 2015: 13 · 2014: 1
FWCI
16.21
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Pulmonary Hypertension Research and Treatments
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
SIRT3, pulmonary arterial hypertension, mitochondrial function, mitochondrial deacetylase, pulmonary artery smooth muscle cells, SIRT3 knockout mice, adenoviral gene therapy, metabolic syndrome, biomarkers
MeSH terms
Adult, Animals, Cells, Cultured, Female, Humans, Hypertension, Pulmonary, Lung, Middle Aged, Mitochondria, Polymorphism, Genetic, Pulmonary Artery, Genetic Therapy, Down-Regulation, Rats, Sprague-Dawley, Mice, Knockout, Mice, Rats, Sirtuin 3, Familial Primary Pulmonary Hypertension

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