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Sirtuin Inhibitors and Activators
Abstract
The mammalian family of sirtuins (SIRT1–7) target a large variety of proteins at various subcellular localizations and thus exert regulatory effects on critical biological processes such as gene silencing, DNA repair, and chromosomal stability and longevity. Sirtuins play crucial roles in many signaling pathways and are regarded as potential therapeutic targets in several pathological conditions, such as cancer, metabolic disorders, and also cardiovascular and neurodegenerative diseases. Therefore, the modulation of sirtuin activity by inhibitors or activators could be beneficial for human health, a topic that has been interesting scientists for over 15 years. Researchers have developed novel inhibitors and activators toward sirtuins mainly for human silent information regulator type 1 (SIRT1) because both cellular studies and experiments in animal models have indicated that SIRT1 regulators could be used for the treatment for multiple human diseases. Gradually, an appreciation of the importance of the other members of the sirtuin family has increased, and potent inhibitors and activators are designed for various sirtuins.
Keywords
Activation Deacetylation Drug design and development Inhibition SirtuinAbbreviations
- AD
Alzheimer’s disease
- ADP
Adenosine diphosphate
- AMC
7-Amino-4-methylcoumarin
- ATP
Adenosine triphosphate
- BIM
Bisindolylmaleimides
- CPS1
Carbamoyl phosphate synthetase peptides
- EC1.5
Concentration of compound required to increase the enzyme activity by 50%
- EC150
Effective concentration which increases the enzyme activity to 150%
- EC50
Half maximal effective concentration
- FOXO3α
Forkhead O transcription factor 3 α
- H3K9
Histone H3 lysine 9
- HD
Huntington’s disease
- HDAC
Histone deacetylase enzymes
- HTS
High-throughput screening
- IC50
Half maximal inhibitory concentration
- ICL-SIRT078
3-((2-Methoxynaphthalen-1-yl)methyl)-7-((pyridin-3-ylmethyl)amino)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one
- Km
Value of substrate concentration at half maximal velocity
- LPS
Lipopolysaccharides
- Mn-SOD
Manganese superoxide dismutase
- NAD+
Nicotinamide adenine dinucleotide
- NAM
Nicotinamide
- NO
Nitric oxide
- PCK, PGC-1α
Peroxisome proliferator-activated receptor gamma coactivator 1-alpha Protein kinase C
- PD
Parkinson’s disease
- ROS
Reactive oxygen species
- SAR
Structure-activity relationships
- SirReal2
Sirtuin-rearranging ligand2
- SIRT
Sirtuins
- SIRT1
Silent information regulator type 1
- STACs
Sirtuin-activating compounds
- TAMRA
Tetramethylrhodamine
- TNFα
Tumor necrosis factor alpha
Notes
Compliance with Ethical Standards
Funding: M.R-R. was supported by Academy of Finland (grant no. 269341), Finnish Cultural Foundation, and Maud Kuistila Memorial Foundation. J.T was supported by UEF Doctoral School.
M.L-K. was supported by Academy of Finland (grant no 315824).
Conflict of Interest: There is no conflict of interest.
Ethical Approval: This chapter does not contain any studies with human participants or animals performed by any of the authors.
Informed Consent: This chapter does not contain any informed consent material.
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