Keap1-Nrf2

MAO-B-IN-39 (compound11) is a selective monoamine oxidase B (MAO-B) inhibitor. MAO-B-IN-39 inhibits MAO-Bwith an IC₅₀ of 3.61 μM. MAO-B-IN-39 demonstrates a potent NRF2 induction capacity. MAO-B-IN-39 exhibits potent anti-inflammatory and neuroprotective activity in OS (oxidative stress)-related in vitro models. MAO-B-IN-39 demonstrates high liver microsomal stability and favorable pharmacokinetics in mice. MAO-B-IN-39 is potential for Parkinson’s disease (PD) research.

Nrf2 activator-8 (compound 10e) is a Nrf2 activator (EC₅₀=37.9 nM). Nrf2 activator-8 exhibits remarkable antioxidant and anti-inflammatory effects in BV-2 microglial cells. Nrf2 activator-8 can significantly restore spatial memory deficits in a mouse model of lipopolysaccharide (LPS)-induced neuroinflammation.

2-Undecanone (Standard) is the analytical standard of 2-Undecanone (HY-W016969). This product is intended for research and analytical applications. 2-Undecanone is an orally active organic ketone. 2-Undecanone exerts antibacterial effects by inhibiting bacterial chaperone systems and interfering with the refolding of heat-inactivated proteins. 2-Undecanone also ameliorates asthmatic inflammation and airway remodeling by blocking the NF-κB pathway, and activates the Nrf2 pathway to reduce oxidative damage and prevent lung cancer induced by Benzo[a]pyrene (HY-107377). 2-Undecanone can be used in research related to cancer, asthma and infections.

Nrf2 activator-11 (compound M11) is a Nrf2 activator with blood-brain permeability. Nrf2 activator-11 has anti-oxidation, anti-inflammation, anti-ferroptosis and anti-apoptosis. Nrf2 activator-11 can be used to study cerebral  ischemia-reperfusion (CI/R) injury models.

Keap1-Nrf2-IN-16 is a biological active peptide. (KEAP1 binding activity)

Monoethyl fumarate-d₅ is the deuterium labeled Monoethyl fumarate (HY-W019696). Monoethyl fumarate is the monoethyl ester form of Fumaric acid (HY-W015883). Monoethyl fumarate is the activator for Nrf2. Monoethyl fumarate is a kind of effective preservative and polymerization agent for macromolecular material.

Keap1-Nrf2-IN-23 (compound 56) is an inhibitor of the Keap1–Nrf2 PPI (IC₅₀=16.0 nM). Keap1-Nrf2-IN-23 binds to Keap1 with a K_d value of 3.07 nM. Keap1-Nrf2-IN-23 has oral activity.

Keap1-Nrf2 PPI-IN-2 is a Keap1-Nrf2 PPI inhibitor with an EC₅₀ of 14.2 μM. Keap1-Nrf2 PPI-IN-2 covalently binds to Keap1 cysteine residues through its electrophilic itaconate moiety, disrupts the Keap1-Nrf2 protein-protein interaction, releases Nrf2, and promotes its nuclear translocation and antioxidant gene expression, thereby reducing ROS and inhibiting IL-13 production. Keap1-Nrf2 PPI-IN-2 can be used for research on atopic dermatitis.

Jujuboside B (Standard) is the analytical standard of Jujuboside B. This product is intended for research and analytical applications. Jujuboside B is a bioactive saponin component isolated from Ziziphi Spinosae Semen (sour jujube seed), with oral efficacy and blood-brain barrier permeability. Jujuboside B induces acute leukemia cell death and drives necroptosis apoptosis by activating the RIPK1/RIPK3/MLKL pathway. Jujuboside B upregulates the expression of NOXA, PARP and caspase-3, activates AMPK, inhibits the proliferation of breast cancer cells, and induces cell apoptosis and autophagy. Jujuboside B inhibits angiogenesis and tumor growth by blocking the VEGFR-2 signaling pathway. Jujuboside B alleviates liver injury in mice by regulating the Nrf2-STING signaling pathway. Jujuboside B alleviates liver injury by regulating anti-inflammatory responses and downregulating the expression of 11β-HSD2. Jujuboside B induces ferroptosis and overcomes radioresistance in non-small cell lung cancer via the PPARγ-ATF3-Gpx4 signaling pathway. Jujuboside B exerts inhibitory effects on platelet aggregation. Jujuboside B inhibits febrile seizures by suppressing the activity of AMPA receptors. Jujuboside B reverses chronic unpredictable mild stress-promoted tumor progression by blocking the PI3K/Akt and MAPK/ERK pathways and dephosphorylating CREB signaling. Jujuboside B is applicable to related studies on acute leukemia, breast cancer, PM_2.5-induced lung injury, hepatotoxicity, liver injury, colorectal cancer, non-small cell lung cancer, thromboembolic diseases, cardiovascular diseases associated with high platelet aggregation, febrile seizures, and depressive-like phenotypes.

Nrf2 activator 19 is a BBB-penetrable NRF2/HO-1 activator. Nrf2 activator 19 exerts potent antioxidant and neuroprotective effects. Nrf2 activator 19 can also effectively reduce brain damage, reduce Reactive Oxygen Species (ROS) accumulation. Nrf2 activator 19 inhibits neuronal apoptosis. Nrf2 activator 19 promotes the recovery of neurological function and motor ability. Nrf2 activator 19 shows significant potential in ischemic stroke research.

Pellitorine (Standard) is the analytical standard of Pellitorine (HY-N3097). Pellitorine is a bioactive natural amide compound. Pellitorine can competitively antagonize the activation of TRPV1 by Capsaicin (HY-10448), thereby reducing pain signal transmission. Pellitorine improves cognitive dysfunction by upregulating the BDNF-ERK1/2-CREB and Nrf2-HO-1 pathways. Pellitorine exerts anti-inflammatory and anti-sepsis effects by inhibiting the release of high mobility group protein B1 (HMGB1) and the expression of RAGE/TLR4. Pellitorine exerts its antithrombotic effect by prolonging the clotting time, inhibiting the activity of clotting factors and thrombin. Pellitorine inhibits lipid peroxidation and resists ferroptosis by upregulating GPX4 and DHODH. Pellitorine kills Aedes aegypti mosquito larvae by inhibiting V-type H⁺-ATPase and aquaporin 4 (AaAQP4). Pellitorine exhibits anti-cancer activity (e.g., leukemia and breast cancer) and has inhibitory effects on certain bacteria.

Swertiamarin (Standard) is the analytical standard of Swertiamarin. This product is intended for research and analytical applications. Swertiamarin is an orally active iridoid compound with hypoglycemic, hypolipidemic, anti rheumatic and antioxidant activities, which can be used in the research of diabetes and arthritis.

Monascin (Standard) is the analytical standard of Monascin. This product is intended for research and analytical applications. Monascin is a kind of azaphilonoid pigments extracted from Monascus pilosus-fermented rice (red-mold rice). Monascin also exhibits anti-tumor-initiating activity and anti-inflammatory activity with oral administration. Monascin inhibits the activation of NOR 1 (an NO donor). Monascin is a Nrf2 activator and PPARγ agonist.

Propoxur-d₃ is the deuterated form of Propoxur (HY-B0916). Propoxur is a reversible, competitive, orally active AChE inhibitor that can cross the blood-brain barrier. Propoxur inhibits AChE activity to induce neurotoxicity, while promoting MMP-2 expression and enhancing tumor cell migration and invasion by inducing intracellular ROS generation and activating the ERK/Nrf2 signaling pathway. On the one hand, Propoxur inhibits AChE, leading to acetylcholine accumulation and causing neurological dysfunction; on the other hand, it promotes Nrf2 nuclear translocation through ROS-dependent ERK1/2 phosphorylation, and upregulates MMP-2 and other invasion-related proteins. Propoxur is also a carbamate insecticide used to combat turf, forestry, and household pests.

TBHQ-d₁₂ (tert-Butylhydroquinone-d₁₂) is the deuterium labeled TBHQ (HY-100489). TBHQ (tert-Butylhydroquinone) is a widely used Nrf2 activator, protects against Doxorubicin (DOX)-induced cardiotoxicity through activation of Nrf2. TBHQ (tert-Butylhydroquinone) is also an ERK activator; rescues Dehydrocorydaline (DHC)-induced cell proliferation inhibitionin melanoma[2].

Keap1-Nrf2-IN-19 (compound 33) is an oral active Keap1-Nrf2 protein–protein interaction (PPI) inhibitor with the K_d value of 0.0014 μM. Keap1-Nrf2-IN-19 exhibits less than 50% inhibition at 30 μM against hERG and 10 μM against CYPs.

SH494 is a p38 MAPK inhibitor and Nrf2 pathway activator. SH494 inhibits RANKL-induced phosphorylation of p38 and disrupts the MAPK cascade associated with osteoclastogenesis. SH494 activates the Nrf2 pathway, upregulates downstream target genes and induces the expression of cytoprotective enzymes. SH494 reduces intracellular ROS accumulation and restores mitochondrial membrane potential (ΔΨm) to normal. SH494 decreases osteoclast activity and alleviates osteoporosis symptoms in ovariectomized mice. SH494 can be used for research on osteoporosis.

Curdione (Standard) is the analytical standard of Curdione. This product is intended for research and analytical applications. Curdione ((+)-Curdione) is an orally active sesquiterpenoid. Curdione inhibits platelet aggregation. Curdione induces ferroptosis in colorectal cancer via m6A methylation mediated by METTL14 and YTHDF2. Curdione inhibits ferroptosis in Isoproterenol (HY-B0468)-induced myocardial infarction by regulating the Keap1/Trx1/GPX4 signaling pathway, suppressing oxidative stress (ROS) and apoptosis. Curdione ameliorates Doxorubicin (HY-15142)-induced cardiotoxicity by inhibiting oxidative stress (ROS) and activating the Nrf2/HO-1 pathway. Curdione ameliorates sepsis-induced lung injury by inhibiting platelet-mediated neutrophil extracellular trap formation. Curdione ameliorates Bleomycin (HY-17565A)-induced pulmonary fibrosis by inhibiting TGF-β-induced fibroblast-to-myofibroblast differentiation. Curdione exhibits neuroprotective effects against focal cerebral ischemia-reperfusion injury in rats. Curdione exerts antiproliferative effects against human uterine leiomyosarcoma by targeting IDO1. Curdione protects vascular endothelial cells and atherosclerosis by regulating DNMT1-mediated ERBB4 promoter methylation. Curdione inhibits inducible prostaglandin E2 production (IC₅₀ = 1.1 μM) and cyclooxygenase 2 expression.

SPC-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.

Nrf2 activator-25 is a Nrf2 activator. Nrf2 activator-25 promotes the dissociation of Nrf2 from Keap1 (with a K_d of 21.3 μM for Keap1), drives Nrf2 nuclear translocation, and increases the production of downstream antioxidant enzymes. Nrf2 activator-25 inhibits apoptosis, ferroptosis and vascular fibrosis, and protects vascular endothelial cells from damage. Nrf2 activator-25 can be used in the research of diabetic vascular diseases.