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Updated: Jun 26, 2026
14:32
Deacetylation Assays to Unravel the Interplay between Sirtuins (SIRT2) and Specific Protein-substrates
Published on: February 27, 2016
Pharmaceutical strategies for activating sirtuins
1Weill Medical College of Cornell University, New York, NY 10065, USA. aas2004@med.cornell.edu
Current Pharmaceutical Design
|January 20, 2009
Summary
Small molecules can activate sirtuins (protein deacetylases involved in aging and metabolism) through allosteric activation, boosting NAD+ levels, or nicotinamide derepression, offering potential therapeutic strategies.
Area of Science:
- Biochemistry and Molecular Biology
- Gerontology and Aging Research
- Pharmacology and Drug Discovery
Background:
- Sirtuins are NAD(+)-dependent protein deacetylases found across all life forms.
- They regulate critical cellular processes including metabolism, aging, and stress responses.
- Human sirtuins (SIRT1-7) influence glucose homeostasis, mitochondrial function, and apoptosis.
Purpose of the Study:
- To review small molecule approaches for activating sirtuins.
- To explore therapeutic potential of sirtuin activation for various biological processes.
- To discuss biochemical and biological contexts of sirtuin modulation strategies.
Main Methods:
- Review of literature on small molecule activators of sirtuins.
- Discussion of allosteric activation, NAD+ level enhancement, and nicotinamide derepression.
- Presentation of in vitro and in vivo biological data supporting these strategies.
Main Results:
- Allosteric activation has been demonstrated for SIRT1.
- Enhancing cellular NAD+ levels can upregulate sirtuin activity.
- Nicotinamide derepression offers a sirtuin-specific activation mechanism.
Conclusions:
- Small molecule approaches show promise for modulating sirtuin activity.
- Sirtuin activation presents potential therapeutic avenues for metabolic and aging-related diseases.
- Further research is needed to optimize efficacy and address shortcomings of current strategies.
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