Sirtuin Activator

Withanoside IV is an orally active, blood-brain barrier-permeable withanolide derivative. Withanoside IV specifically binds to the Sudlow I site of HSA, induces secondary structural changes in HSA, and forms stable HSA complexes. Withanoside IV inhibits the enzymatic activity of COX-2. Withanoside IV induces axonal regeneration, peripheral nervous system myelination and increased axonal density in spinal cord tissue, reduces reactive gliosis-related changes, and improves hindlimb motor function. Withanoside IV binds to amyloid-β 1-42 to inhibit its aggregation, induces neurite outgrowth and synapse reconstruction, repairs damaged axons and dendrites, enhances mitochondrial biogenesis, exerts neuroprotective effects via the BDNF and SIRT1 signaling pathways, reduces ROS production and neuronal apoptosis, and ameliorates memory deficits. Withanoside IV inhibits the activity of the SARS-CoV-2 main protease. Withanoside IV can be used in research related to spinal cord injury, Alzheimer's disease, and coronavirus disease 2019 (COVID-19).

Fisetin-d5 is a deuterated labeled Fisetin. Fisetin is a natural flavonol found in many fruits and vegetables with various benefits, such as antioxidant, anticancer, neuroprotection effects.

Fisetin quarterhydrate is a natural flavonol found in many fruits and vegetables with various benefits, such as antioxidant, anticancer, neuroprotection effects.

Gamma-glutamylcysteine (TFA) (Standard) is the analytical standard of Gamma-glutamylcysteine (TFA). This product is intended for research and analytical applications. Gamma-glutamylcysteine TFA (γ-Glu-Cys TFA) is an orally active, blood-brain barrier permeable dipeptide. Gamma-glutamylcysteine TFA 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 TFA 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 TFA 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.

Ginkgolide C (Standard) is the analytical standard of Ginkgolide C. This product is intended for research and analytical applications. Ginkgolide C is a flavone isolated from Ginkgo biloba leaves, possessing multiple biological functions, such as decreasing platelet aggregation and ameliorating Alzheimer disease.

SRT 1720 (Standard) is the analytical standard of SRT 1720. This product is intended for research and analytical applications. SRT 1720 is a selective activator of human SIRT1 with an EC1.5 of 0.16 μM, and shows less potent activities for SIRT2 and SIRT3 with EC1.5s of 37 μM and > 300 μM, respectively.

(+)-Magnoflorine (α-Magnoflorine) is an orally active aporphine alkaloid with multiple biological activities. (+)-Magnoflorine promotes Parkin/PINK1 -mediated mitochondrial autophagy, inhibits the activation of NLRP3/Caspase-1 pathway, regulates the intestinal microbiota, and exhibits significant anti-inflammatory and immunomodulatory activities. (+)-Magnoflorine inhibits JNK and TLR4/NF-κB signaling pathways, activates Sirt1/AMPK pathway, alleviates neuronal oxidative stress and apoptosis. Magnoflorine upregulates miR-410-3p, inhibits HMGB1/NF-κB pathway, and has anti-tumor activity. (+)-Magnoflorine also has significant antifungal activity.

BML-278 is a SIRT1 activator (EC₁₅₀: 1 μM). BML-278 increases H3K9 methylation and inhibits H3K9 acetylation in both the paternal and maternal pronucleus. BML-278 improves early embryonic development. BML-278 arrests the cell cycle at the G1/S phase, and reduces senescence in primary human mesenchymal cells. BML-278 reduces tubulin acetylation in U937 cells. BML-278 also increases mitochondrial density in murine C2C12 myoblasts.

Mito-Esculetin (Mito-Esc) is an orally active mitochondria-targeted derivative of Esculetin (HY-N0284). Mito-Esculetin inhibits LPS-induced phosphorylation of STAT3 Tyr-705, partially reverses LPS-mediated depletion of SIRT3, and enhances the AMPK-SIRT1 signaling axis. Mito-Esculetin inhibits PAI-1 activity, regulates miRNA, and induces phosphorylation of IRS and AKT. Mito-Esculetin suppresses oxidant-induced endothelial dysfunction, Ang-II (HY-13948)- and high glucose-induced atherosclerotic plaque formation, Palmitate (HY-N0830)-induced insulin resistance, as well as high glucose-mediated endothelial cell senescence and inflammatory responses. Mito-Esculetin reduces body weight and non-esterified fatty acid (NEFA) levels. Mito-Esculetin can be used in research related to acute coronary syndrome, type 2 diabetes, and hyperglycemia-induced atherosclerosis.

β-Curcumene is a sesquiterpene compound. β-Curcumene has the potential to act as a SIRT1 activator and a NF-κB inhibitor. β-Curcumene possesses a spicy and ginger-like aroma, and can serve as a raw material for flavors, fragrances and cosmetics. β-Curcumene can be used in the research of type 2 diabetes.

Phoenixin-14 (PNX-14) TFA is an endogenous neuropeptide with multiple biological activities, and serves as the endogenous ligand of GPR173. Phoenixin-14 TFA reduces ROS production by inhibiting the HMGB1/TLR4/MyD88/NF-κB signaling axis, thereby exerting antioxidant and mitochondrial protective effects. Phoenixin-14 TFA inhibits FOXO3 phosphorylation by upregulating SIRT3 expression, suppresses apoptosis, and improves myocardial systolic/diastolic function. Phoenixin-14 TFA resists ferroptosis by activating the ATF4/SLC7A11/GPX4 axis; it activates ERK1/2 phosphorylation via GPR173. Phoenixin-14 TFA can be used in researches on neuroprotection, diabetes, cardiomyopathy, reproductive protection and so on.

SRT3657 is a brain-permeable activator of SIRT1, with neuroprotective effect.

SRTCX1002 is a potent activator of SIRT1 (STAC), suppresses inflammatory responses through promotion of p65 deacetylation and inhibition of NF-κB Activity. SRTCX1002 suppresses stimuli-induced NF-κB transcriptional activation and LPS-induced TNFα secretion with IC₅₀s of 0.71 and 7.58 µM, respectively.

SRTCX1003 is an orally active SIRT1 activator. SRTCX1003 suppresses inflammatory responses.

Ganoderic acid D (Standard) is the analytical standard of Ganoderic acid D. This product is intended for research and analytical applications. Ganoderic acid D, a highly oxygenated tetracyclic triterpenoid, is the major active component of Ganoderma lucidum. Ganoderic acid D upregulates the protein expression of SIRT3 and induces the deacetylated cyclophilin D (CypD) by SIRT3. Ganoderic acid D inhibits the energy reprogramming of colon cancer cells including glucose uptake, lactate production, pyruvate and acetyl-coenzyme production in colon cancer cells. Ganoderic acid D induces HeLa human cervical carcinoma apoptosis.

8AQ?Cu?5Iu is an activator of SIRT1. 8AQ?Cu?5Iu exhibits neuroprotective effects by modulating the SIRT1/3-FOXO3a signaling pathway. 8AQ?Cu?5Iu can used in study attenuating neurodegenerative diseases.

5-Heptadecylresorcinol (AR-C17), a phenolic lipid component, is also an orally active mitochondrial protector. 5-Heptadecylresorcinol improves mitochondrial function via sirtuin3 signaling pathway, thus alleviates endothelial cell damage and apoptosis. 5-Heptadecylresorcinol induces sirtuin3-mediated autophagy. 5-Heptadecylresorcinol reduces the atherosclerotic plaques in the aortic root region of mice heart. 5-Heptadecylresorcinol can be used for research of atherosclerosis prevention and obesity.

SRT 1720 (monohydrochloride) (Standard) is the analytical standard of SRT 1720 (monohydrochloride). This product is intended for research and analytical applications. SRT 1720 monohydrochloride is a selective and orally active activator of SIRT1 with an EC50 of 0.10 μM, and shows less potent activities on SIRT2 and SIRT3.

Gamma-glutamylcysteine ammonium (γ-Glu-Cys ammonium) is an orally active, blood-brain barrier permeable dipeptide. Gamma-glutamylcysteine ammonium 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 ammonium 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 ammonium 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.

CAY10602 (Standard) is the analytical standard of CAY10602 (HY-104073). This product is intended for research and analytical applications. CAY10602 is a SIRT1 activator. CAY10602 dose-dependently suppresses the NF-κB-dependent induction of TNF-α by lipopolysaccharide in THP-1 cells.