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Updated: Feb 17, 2026
Deacetylation Assays to Unravel the Interplay between Sirtuins SIRT2 and Specific Protein-substrates
Published on: February 27, 2016
Regulation of Sirtuin-Mediated Protein Deacetylation by Cardioprotective Phytochemicals
Niria Treviño-Saldaña1, Gerardo García-Rivas1,2
1Cátedra de Cardiología y Medicina Vascular, Escuela de Medicina y Ciencias de la Salud, Tecnológico de Monterrey, Monterrey, Mexico.
Abstract:
Modulation of posttranslational modifications (PTMs), such as protein acetylation, is considered a novel therapeutic strategy to combat the development and progression of cardiovascular diseases. Protein hyperacetylation is associated with the development of numerous cardiovascular diseases, including atherosclerosis, hypertension, cardiac hypertrophy, and heart failure. In addition, decreased expression and activity of the deacetylases Sirt1, Sirt3, and Sirt6 have been linked to the development and progression of cardiac dysfunction. Several phytochemicals exert cardioprotective effects by regulating protein acetylation levels. These effects are mainly exerted via activation of Sirt1 and Sirt3 and inhibition of acetyltransferases. Numerous studies support a cardioprotective role for sirtuin activators (e.g., resveratrol), as well as other emerging modulators of protein acetylation, including curcumin, honokiol, oroxilyn A, quercetin, epigallocatechin-3-gallate, bakuchiol, tyrosol, and berberine. Studies also point to a cardioprotective role for various nonaromatic molecules, such as docosahexaenoic acid, alpha-lipoic acid, sulforaphane, and caffeic acid ethanolamide. Here, we review the vast evidence from the bench to the clinical setting for the potential cardioprotective roles of various phytochemicals in the modulation of sirtuin-mediated deacetylation.
Insights
Protein acetylation impacts cardiovascular diseases. Phytochemicals like resveratrol and curcumin may offer protection by modulating sirtuin activity, suggesting novel therapeutic strategies for heart conditions.
Area of Science:
- Biochemistry
- Cardiology
- Pharmacology
Background:
- Posttranslational modifications (PTMs), particularly protein acetylation, are implicated in cardiovascular disease development.
- Hyperacetylation correlates with atherosclerosis, hypertension, cardiac hypertrophy, and heart failure.
- Reduced activity of deacetylases Sirt1, Sirt3, and Sirt6 is linked to cardiac dysfunction.
Purpose of the Study:
- To review evidence on phytochemicals' cardioprotective effects through protein acetylation modulation.
- To explore the role of sirtuin activators and other modulators in cardiovascular health.
- To connect bench research to clinical potential for phytochemical-based therapies.
Main Methods:
- Literature review of studies on protein acetylation and cardiovascular diseases.
- Analysis of research on phytochemicals affecting sirtuin activity and acetylation levels.
- Synthesis of evidence from preclinical and clinical settings.
Main Results:
- Phytochemicals like resveratrol, curcumin, and quercetin show cardioprotective effects.
- These compounds modulate protein acetylation via sirtuin activation or acetyltransferase inhibition.
- Nonaromatic molecules such as alpha-lipoic acid also demonstrate potential benefits.
Conclusions:
- Phytochemicals represent a promising therapeutic avenue for cardiovascular diseases by targeting protein acetylation.
- Sirtuin-mediated deacetylation is a key pathway for phytochemical cardioprotection.
- Further research is warranted to translate these findings into clinical practice.
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