SIRT1
SIRT1 is a NAD\\+-dependent deacetylase that functions as a central regulator of cellular metabolism, stress responses, genomic stability, and aging through deacetylation of histones and multiple transcriptional regulators[1][2]. Mechanistically, SIRT1 integrates nutrient and energy signals with transcriptional programs that control mitochondrial biogenesis, fatty acid oxidation, glucose metabolism, autophagy, and cellular adaptation to metabolic stress[1][3]. Through coordinated interactions with metabolic signaling networks, SIRT1 contributes to maintenance of metabolic health across liver, skeletal muscle, adipose tissue, heart, and other organs[1]. In disease-related contexts, altered SIRT1 activity has been associated with aging, chronic inflammatory conditions, obesity, metabolic dysfunction, cardiovascular disorders, neurodegenerative diseases, and cancer-related processes, making it a widely used experimental target in translational research[2][4][5]. Compared with related sirtuin isoforms, SIRT1 is the most extensively characterized mammalian sirtuin and primarily mediates transcriptional regulation through deacetylation of nuclear histone and non-histone substrates, whereas other family members display distinct cellular localization and substrate preferences[1][2][4]. For experimental applications, SIRT1 activity can be modulated by small-molecule activators and inhibitors, and naturally occurring polyphenols such as resveratrol have been reported to activate SIRT1 in multiple model systems, providing useful tools for mechanistic studies of metabolism, inflammation, oxidative stress, and aging biology[3][4].
References:
- [1]. Dijk W, et al. Regulation of lipoprotein lipase by Angptl4. Trends Endocrinol Metab. 2014 Mar;25(3):146-55. [Content Brief]
- [2]. Zhao L, et al. Sirtuins and their Biological Relevance in Aging and Age-Related Diseases. Aging Dis. 2020 Jul 23;11(4):927-945. [Content Brief]
- [3]. Chung S, et al. Regulation of SIRT1 in cellular functions: role of polyphenols. Arch Biochem Biophys. 2010 Sep 1;501(1):79-90. [Content Brief]
- [4]. Carafa V, et al. Sirtuins and disease: the road ahead. Front Pharmacol. 2012 Jan 31;3:4. [Content Brief]
- [5]. Herskovits AZ, et al. Sirtuin deacetylases in neurodegenerative diseases of aging. Cell Res. 2013 Jun;23(6):746-58. [Content Brief]
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SIRT1 Related Products (106)
Related Products (106)
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Antibodies (1)
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SIRT1 activator 2
0 ImagesSIRT1 activator 2 is a SIRT1 activator with an ED50 value <5 μM. SIRT1 activator 2 modulates SIRT1 deacetylase activity. SIRT1 activator 2 can be used for aging research.
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β-Zearalanol-d4
0 ImagesCat. No.: HY-N6740SCAS No.: 1778735-09-3β-Zearalanol-d4 is the deuterated-labeled β-Zearalenol (HY-N6741). β-Zearalenol is a zearalenone metabolite and Estrogen receptor binder (Kd = 0.406 nM) that induces apoptosis through activation of p53, JNK, and p38 kinases and the mitochondrial apoptosis pathway, while inhibiting CYP19A1 and inducing autophagy via SIRT1. β-Zearalenol is used in research on cardiotoxicity, mycotoxin-induced reproductive toxicity, and breast cancer.
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Nicotinamide riboside
0 ImagesNicotinamide riboside, an orally active NAD+ precursor, increases NAD+ levels and activates SIRT1 and SIRT3. Nicotinamide riboside is a source of vitamin B3 (niacin) and enhances oxidative metabolism, protection against high fat diet-induced metabolic abnormalities. Nicotinamide riboside reduces cognitive deterioration in a transgenic mouse model of Alzheimer’s disease.
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β-Patchoulene
0 Imagesβ-Patchoulene is an orally active anti-inflammatory, antioxidant, and anti-apoptotic agent. β-Patchoulene inhibits the NF-κB, TLR4, and cAMP/PKA/CREB signaling pathways; activates the Sirt1/Nrf2 and AMPK signaling pathways; and targets Fas/FasL, Caspase-3, ERK1/2, ROCK1/MLC2 for inhibition. β-Patchoulene regulates cytokine secretion, inflammatory cell infiltration, lipid peroxidation, cell polarization, gut microbiota, and lipid metabolism, restores barrier function, mitochondrial function, and cell viability, and exhibits repellent activity against Spodoptera exigua larvae. β-Patchoulene can be used in research related to various inflammatory, ischemic, fibrosis-associated diseases, as well as hepatocellular carcinoma.
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CHIC35
0 ImagesCat. No.: HY-111303CAS No.: 848193-72-6
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SIRT1/2/3-IN-2
0 ImagesCat. No.: HY-114906CAS No.: 388086-13-3SIRT1/2/3-IN-2 (compound 9) is a potent SIRT inhibitor, with inhibition rates of 27%, 72%, and 71% targeting SIRT1, SIRT2, and SIRT3, respectively, at 200 μM. SIRT3 is a potential tumor suppressor or promoter, and its increased transcription may be associated with lymph node-positive breast cancer and oral squamous cell carcinoma.
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SPC-180002
0 ImagesCat. No.: HY-155784CAS No.: 2170274-53-8SPC-180002 is a SIRT1/3 dual inhibitor, with IC50 values of 1.13 and 5.41 μM, respectively. SPC-180002 disturbs redox homeostasis via ROS generation, which leads to an increase in both p21 protein stability and mitochondrial dysfunction. SPC-180002 strongly inhibits cell cycle progression and cancer cell growth. SPC-180002 activates the Nrf2 signaling pathway.
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NH4-6
0 ImagesCat. No.: HY-182412CAS No.: 2375182-58-2NH4-6 is a SIRT2 inhibitor with an IC50 of 0.032 μM against SIRT2 and an IC50 of 3 μM against SIRT1. NH4-6 inhibits the deacetylase activity of SIRT1. As a cytotoxic agent, NH4-6 reduces cancer cell viability, suppresses anchorage-independent growth of cancer cells, induces acetylation of α-tubulin, and promotes acetylation of p53. NH4-6 can be used in the research of breast cancer.
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δ-Viniferin
0 ImagesCat. No.: HY-N3841ACAS No.: 681293-15-2δ-Viniferin is a COX-1/COX-2 inhibitor (with an IC50 of 5 µM for both enzymes). δ-Viniferin induces the expression of SIRT1, catalase and HO-1, promotes the phosphorylation of eNOS, and stimulates nitric oxide (NO) production. δ-Viniferin is applicable to research related to atherosclerosis, downy mildew, Gram-positive bacterial infections, inflammation, infections, cardiovascular diseases and diabetes.
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β-Zearalenol-13C18
0 ImagesCat. No.: HY-N6741Sβ-Zearalenol-13C18 is the 13C-labeled β-Zearalenol (HY-N6741). β-Zearalenol is a zearalenone metabolite and Estrogen receptor binder (Kd = 0.406 nM) that induces apoptosis through activation of p53, JNK, and p38 kinases and the mitochondrial apoptosis pathway, while inhibiting CYP19A1 and inducing autophagy via SIRT1. β-Zearalenol is used in research on cardiotoxicity, mycotoxin-induced reproductive toxicity, and breast cancer.
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Sirt1/2-IN-5
0 ImagesCat. No.: HY-136713CAS No.: 143034-06-4
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Nicotinamide hydrochloride
0 ImagesCat. No.: HY-B0150ACAS No.: 25334-23-0Synonyms: Niacinamide hydrochloride; Nicotinic acid amide hydrochlorideNicotinamide hydrochloride is a form of vitamin B3 or niacin. Nicotinamide hydrochloride inhibits SIRT2 activity (IC50: 2 μM). Nicotinamide hydrochloride also inhibits SIRT1. Nicotinamide hydrochloride increases cellular NAD+, ATP, ROS levels. Nicotinamide hydrochloride inhibits tumor growth and improves survival. Nicotinamide hydrochloride also has anti-HBV activity.
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hsa62
0 ImagesCat. No.: HY-160944CAS No.: 780822-35-7
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DCHC
0 ImagesCat. No.: HY-139125CAS No.: 302953-06-6
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β-Zearalenol (Standard)
0 ImagesCat. No.: HY-N6741RCAS No.: 71030-11-0β-Zearalenol (Standard) is the analytical standard of β-Zearalenol (HY-N6741). This product is intended for research and analytical applications. β-Zearalenol is a zearalenone metabolite and Estrogen receptor binder (Kd = 0.406 nM) that induces apoptosis through activation of p53, JNK, and p38 kinases and the mitochondrial apoptosis pathway, while inhibiting CYP19A1 and inducing autophagy via SIRT1. β-Zearalenol is used in research on cardiotoxicity, mycotoxin-induced reproductive toxicity, and breast cancer.
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Sirt1/CXCR3-IN-1
0 ImagesCat. No.: HY-184899Sirt1/CXCR3-IN-1 is a dual Sirt1/CXCR3 inhibitor with an IC50 of 0.77 μM against Sirt1. Sirt1/CXCR3-IN-1 inhibits dengue virus replication, upregulates the expression of interferon-stimulated genes, and enhances the antiviral defense capacity of the host. Sirt1/CXCR3-IN-1 suppresses CXCR3-mediated T cell chemotaxis and cytokine release, thereby reducing immune activation and inflammatory responses. Sirt1/CXCR3-IN-1 is applicable to research related to dengue virus infection.
