2. Signaling Pathways
  3. Cell Cycle/DNA Damage
    Epigenetics
  4. Sirtuin

Sirtuin

Sirtuin

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Sirtuin (Sir2 proteins) are a class of proteins that possess either mono-ADP-ribosyltransferase, or deacylase activity, including deacetylase, desuccinylase, demalonylase, demyristoylase and depalmitoylase activity. Sirtuins regulate important biological pathways in bacteria, archaeaand eukaryotes. Sirtuins have been implicated in influencing a wide range of cellular processes like aging, transcription, apoptosis, inflammation and stress resistance, as well as energy efficiency and alertness during low-calorie situations. Sirtuins can also control circadian clocks and mitochondrial biogenesis.

Sirtuin Isoform Specific Products:

Sirtuin Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-169934
    SIRT1-IN-4
    		Inhibitor 98.62%
    SIRT1-IN-4 (Compound 8c) is a SIRT1 inhibitor, with an IC50 of 10.04 μM. SIRT1-IN-4 can be used for the research of cancer.
    SIRT1-IN-4
  • HY-124113
    4'-Bromo-resveratrol
    		Inhibitor 99.94%
    4'-Bromo-resveratrol (4′‐BR) is a dual SIRT1/SIRT3 inhibitor with an IC50 of 0.2 mM for both targets. 4'-Bromo-resveratrol induces caspase-dependent apoptosis, induces G0/G1 cell cycle arrest, and inhiibits proliferation. 4'-Bromo-resveratrol reduces lactate production, glucose uptake, and NAD+/NADH ratio, and downregulates lactate dehydrogenase A and glucose transporter 1 (GLUT1). 4'-Bromo-resveratrol can be used for the research of melanoma.
    4'-Bromo-resveratrol
  • HY-173572
    SKLB-11A
    		Agonist 99.40%
    SKLB-11A is a selective, orally active and allosteric SIRT3 (sirtuin 3) agonist with a Kd value of 4.7 μM. SKLB-11A is highly selective for other members of the SIRT family. SKLB-11A activates autophagy-related signaling pathways, prevents mitochondrial dysfunction, improves cardiac function in Doxorubicin (HY-15142A)-induced cardiotoxicity and myocardial ischemia/reperfusion models.
    SKLB-11A
  • HY-19758A
    Sirtuin modulator 1
    		Modulator 99.85%
    Sirtuin modulator 1 is a modulator of SIRTl, a homolog of SIRT3, with EC1.5 of < 1 μM, extracted from patent WO 2010071853 A1, Compound No.4.
    Sirtuin modulator 1
  • HY-15452A
    (S)-Selisistat
    		Inhibitor 99.39%
    (S)-Selisistat ((S)-EX-527) is a potent and selective SIRT1 inhibitor, with an IC50 of 98 nM.
    (S)-Selisistat
  • HY-123033C
    Nicotinamide riboside malate
    		Activator 98.04%
    Nicotinamide riboside malate, an orally active NAD+ precursor, increases NAD+ levels and activates SIRT1 and SIRT3. Nicotinamide riboside malate is a source of vitamin B3 (niacin) and enhances oxidative metabolism, protection against high fat diet-induced metabolic abnormalities. Nicotinamide riboside malate reduces cognitive deterioration in a transgenic mouse model of Alzheimer’s disease.
    Nicotinamide riboside malate
  • HY-161920
    SIRT3-IN-1
    		Inhibitor 98.47%
    SIRT3-IN-1 (compound 17f) is a SIRT3 inhibitor, with IC50 of 0.043 μM. SIRT3-IN-1 can be used in the research of acute leukemia (AML).
    SIRT3-IN-1
  • HY-117006
    E1231
    		Activator 98.46%
    E1231 is an orally active activator of Sirtuin 1 (SIRT1) (EC50=0.83 μM), to modulate cholesterol and lipid metabolism. E1231 interactes with SIRT1 (KD=9.61 μM) and deacetylated liver X receptor-alpha (LXRα), and increases ATP-binding cassette transporter A1 (ABCA1) expression. E1231 also reduces atherosclerotic plaque development in ApoE-/- mice model. E1231 can be used for research in cholesterol and lipid disorder-related diseases.
    E1231
  • HY-RS12950
    SIRT6 Human Pre-designed siRNA Set A
    		Inhibitor

    SIRT6 Human Pre-designed siRNA Set A contains three designed siRNAs for SIRT6 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    SIRT6 Human Pre-designed siRNA Set A
  • HY-112428
    Sirt2-IN-2
    		Inhibitor 99.80%
    Sirt2-IN-2 (Compound 10) is a selective Sirt2 inhibitor with an IC50 of 0.118 μM.
    Sirt2-IN-2
  • HY-16615
    SIRT-IN-1
    		Inhibitor 98.14%
    SIRT-IN-1 is a potent inhibitor of SIRT1/2/3, with IC50s of 15, 10, 33 nM, respectively.
    SIRT-IN-1
  • HY-N3504
    Ophiopogonin D'
    		Activator 99.94%
    Ophiopogonin D' is a steroidal saponin and a SIRT1 activator. Ophiopogonin D' can also regulate the activities of transporters OATP1B1 and OATP1B3. Ophiopogonin D' exhibits certain toxicity to tumor cells. Ophiopogonin D' can be used in tumor research.
    Ophiopogonin D'
  • HY-NP019
    Agkistrodon halys batroxobin
    		Inhibitor
    Agkistrodon halys batroxobin is a thrombin-like serine protease. Agkistrodon halys batroxobin reduces the expression of Sirt1 and extracellular signal-regulated kinase activation in brain tissue. Agkistrodon halys batroxobin reduces cleaved caspase-3 expression and inhibits neuronal apoptosis in rat.
    Agkistrodon halys batroxobin
  • HY-113402R
    Gamma-glutamylcysteine (Standard)
    		Activator
    Gamma-glutamylcysteine (Standard) is the analytical standard of Gamma-glutamylcysteine. This product is intended for research and analytical applications. Gamma-glutamylcysteine (γ-Glu-Cys) is an orally active, blood-brain barrier permeable dipeptide. Gamma-glutamylcysteine activates AMPK, SIRT1, IL-4/STAT6, AC/cAMP/PI3K, IGF-1R/IRS1/PI3K, and Nrf2 signaling pathways; it inhibits NF-κB, JAK1/STAT1/3, MAPKs, cadmium-induced p38 MAPK, JNK, and PI3K/Akt signaling pathways. Gamma-glutamylcysteine regulates macrophage polarization, modulates the trafficking of CD36 and GLUT4, induces glutathione synthesis, improves metabolic dysfunction, reduces lipid deposition, ameliorates glucose homeostasis, inhibits apoptosis (Apoptosis), stabilizes mitochondria, suppresses lipid peroxidation, iron accumulation and ferroptosis (Ferroptosis), reduces ds-HMGB1 levels, reverses mechanical hyperalgesia, and alleviates hepatic lipid droplet formation. Gamma-glutamylcysteine is applicable to research related to inflammatory bowel disease, type 2 diabetes, cadmium-induced neurotoxicity, Alzheimer's disease, cerebral ischemia/reperfusion injury, neuropathy, and alcoholic liver disease.
    Gamma-glutamylcysteine (Standard)
  • HY-112427
    Sirt2-IN-1
    		Inhibitor 98.71%
    Sirt2-IN-1 (Compound 9) is a sirtuin 2 (Sirt2) inhibitor with an IC50 of 163 nM.
    Sirt2-IN-1
  • HY-W009300S
    4-Hydroxyestrone-d4
    		99.35%
    4-Hydroxyestrone (4-OHE1)-d4 is the deuterium labeled 4-Hydroxyestrone (HY-W009300). 4-Hydroxyestrone is a brain-penetrant estrogen metabolite. 4-Hydroxyestrone shows neuroprotective effects involving increased cytoplasmic localization of p53 resulting from SIRT1-mediated p53 deacetylation. 4-Hydroxyestrone relies on PDI to mediate its protective effect against chemically induced ferroptosis in estrogen receptor-negative cancer cells. 4-Hydroxyestrone inhibits lipid peroxidation and lipid-ROS accumulation. 4-Hydroxyestrone blocks preovulatory luteinizing hormone surges in Rattus norvegicus. 4-Hydroxyestrone can be used for the researches of neurodegeneration, breast cancer and endocrine disease.
    4-Hydroxyestrone-d<sub>4</sub>
  • HY-B0150S2
    Nicotinamide-13C6
    		Inhibitor 99.8%
    Nicotinamide-13C6 is the 13C-labeled Nicotinamide. Nicotinamide is a form of vitamin B3 that plays essential roles in cell physiology through facilitating NAD+ redox homeostasis and providing NAD+ as a substrate to a class of enzymes that catalyze non-redox reactions. Nicotinamide is an inhibitor of SIRT1.
    Nicotinamide-<sup>13</sup>C<sub>6</sub>
  • HY-N3225
    Myricanol
    		Activator 98.93%
    Myricanol is a diarylheptanoid and a Nampt activator. Myricanol exerts anti-inflammatory effects and alleviates glucocorticoid-induced muscle atrophy by increasing Sirtuin 1 (SIRT1) and PRDX5 activities while regulating inflammatory factors. Myricanol exhibits growth inhibition and induces apoptosis in human lung adenocarcinoma A549 cells. Myricanol promotes autophagy-mediated clearance of microtubule-associated protein tau to exert neuroprotective effects. Myricanol protects cardiovascular function by inhibiting PDGFRβ and NF-κB signaling pathways. Myricanol activates mitochondrial transcription factor A (TFAM) expression to exert anti-renal fibrosis effects. Myricanol improves insulin resistance through AMPK activation.
    Myricanol
  • HY-RS12943
    SIRT3 Human Pre-designed siRNA Set A
    		Inhibitor

    SIRT3 Human Pre-designed siRNA Set A contains three designed siRNAs for SIRT3 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    SIRT3 Human Pre-designed siRNA Set A
  • HY-107660
    SIRT2-IN-8
    		Inhibitor 98.45%
    SIRT2-IN-8 is a potent SIRT2 inhibitor. SIRT2-IN-8 can be used for Huntington’s and Parkinson’s diseases research.
    SIRT2-IN-8
Cat. No. Product Name / Synonyms Application Reactivity
Sirtuin Isoform Comparison

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