2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. NADPH Oxidase

NADPH Oxidase

NOX

NADPH Oxidase

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NADPH-oxidase (NOX) is a highly regulated dynamic complex comprising membrane and cytosolic proteins and is the major source of nonmitochondrial cellular reactive oxygen species (ROS). The ROS generated by NADPH oxidases have crucial roles in various physiological processes, including innate immunity, modulation of redox-dependent signalling cascades, and as cofactors in the production of hormones.

NOX enzymes are a family of transmembrane proteins comprising seven members (NOX1-NOX5 and DUOX1 and DUOX2), each with a specific tissue distribution and activation mechanism. They catalyze the reduction of molecular oxygen to superoxide anion, which in turn reacts quickly to generate other ROS, such as hydrogen peroxide. Although basic NOX activity is crucial for normal physiology, overshooting activity of NOX enzymes leads to disease. NADPH oxidases are increasingly recognized as interesting drug targets.

NADPH Oxidase Isoform Specific Products:

NADPH Oxidase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-156425
    NOX2-IN-2
    		Inhibitor
    NOX2-IN-2 (compound 33) is a potent NOX2 inhibitor targeting the p47phox-p22phox protein-protein interaction with a Ki of 0.24 μM. NOX2-IN-2 inhibits ROS production derived from NOX2 in cells.
    NOX2-IN-2
  • HY-170540
    NOX4-IN-1
    		Inhibitor
    NOX4-IN-1 (Compound 14m) is the inhibitor for NADPH oxidase 4 (NOX4), and blocks the generation of ROS. NOX4-IN-1 inhibits TGF-β1/Smad signaling pathway, decreases the expression of fibrosis-related proteins. NOX4-IN-1 inhibits the cell migration of NRK-49F.
    NOX4-IN-1
  • HY-106981
    Orazipone
    		Inhibitor
    Orazipone (OR 1384) is a small molecule immunomodulator with strong anti-inflammatory properties. Orazipone exerts its immunomodulatory effect by forming reversible thiol complexes, which bind to intracellular signaling proteins and the thiol groups of glutathione. Orazipone exhibits potent anti-eosinophilic activity by inducing apoptosis. Orazipone inhibits activation of inflammatory transcription factors NF-kB and STAT 1 and decreases inducible iNOS expression and NO production in response to inflammatory stimuli. Orazipone reduces NADPH oxidase activity and thereby decreases ROS production. Orazipone has a protective effect in intestinal radiation injury.
    Orazipone
  • HY-183101
    AMPAR modulator-12
    		Inhibitor
    AMPAR modulator-12 is a blood-brain barrier-permeable AMPAR positive allosteric modulator. AMPAR modulator-12 reduces NOX-1 expression, enhances AMPAR-mediated currents, promotes excitatory postsynaptic transmission and restores AMPAR function. AMPAR modulator-12 enhances excitatory and inhibitory synaptic transmission, reduces burst firing in the lateral habenula after withdrawal, and produces rapid and sustained antidepressant-like effects. AMPAR modulator-12 is applicable for the research of depression.
    AMPAR modulator-12
  • HY-N16527
    7-O-Galloyl-D-sedoheptulose
    		Inhibitor
    7-O-Galloyl-D-sedoheptulose is an orally effective polyphenolic compound. 7-O-Galloyl-D-sedoheptulose lowers the serum levels of glucose, leptin, insulin, C-peptide, resistin, TNF-α, IL-6, and increases the serum level of adiponectin. 7-O-Galloyl-D-sedoheptulose significantly reduces the levels of ROS and lipid peroxidation products (TBARS) by down-regulating the protein expression of NADPH oxidase subunit Nox-4 and p22phox. 7-O-Galloyl-D-sedoheptulose down-regulates NF-κB and related pro-inflammatory factors (COX-2, iNOS), inhibits the phosphorylation of JNK and the activity of its downstream AP-1. 7-O-Galloyl-D-sedoheptulose reduces the expression of TGF-β1 and fibronectin, indicating its potential in anti-tissue fibrosis. 7-O-Galloyl-D-sedoheptulose can be used for the study of type 2 diabetes and its hepatic and pancreatic complications.
    7-O-Galloyl-D-sedoheptulose
  • HY-RS09458
    Nox1 Mouse Pre-designed siRNA Set A
    		Inhibitor

    Nox1 Mouse Pre-designed siRNA Set A contains three designed siRNAs for Nox1 gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Nox1 Mouse Pre-designed siRNA Set A
  • HY-P5329
    r8-Gly-Noxa A BH3
    r8-Gly-Noxa A BH3 is a biological active peptide. (This cell permeable peptide is derived from the BH3 domain (a death domain) of Noxa A, amino acid residues 17 to 36. Eight D-Arginine residues and a Glycine linker residue are added to the amino terminal of the peptide.)
    r8-Gly-Noxa A BH3
  • HY-148936
    GLX481372
    		Inhibitor
    GLX481372 is a NADPH Oxidase (NOX) inhibitor. GLX481372 potently inhibits NOX4/5 activities with IC50 values of 0.68 and 0.57 μM. GLX481372 also has weak inhibitory activity against NOX1, NOX2, and NOX3, with IC50 values of 7, 16 and 3.2 μM respectively. GLX481372 can inhibit ROS production. GLX481372 can be used for the researches of inflammation, cardiovascular and metabolic disease, such as diabetes.
    GLX481372
  • HY-114809
    AL-1
    		Inhibitor
    AL-1 is a potent O2- generation inhibitor (IC50 = 7.6 μM) through the inhibition of leukocytic NADPH oxidase. AL-1 inhibits 12-O-Tetradecanoylphorbol-13-acetate (TPA)-induced H2O2 production. AL-1 reduces tumor incidence in ICR mouse skin. AL-1 can be used for research on oxidative stress-related diseases including cancer.
    AL-1
  • HY-P5330
    Noxa B BH3
    Noxa B BH3 is a biological active peptide. (BH3 domain of Noxa protein)
    Noxa B BH3
  • HY-B0530A
    Azacyclonol hydrochloride
    		Inhibitor
    Azacyclonol (γ-pipradol) hydrochloride is a compound with promising anticancer activity, showing effectiveness in inhibiting NOX-derived ROS in A549 human lung cancer cells. Azacyclonol hydrochloride exhibits enhanced proliferation inhibition against androgen-refractory cancer cell lines, specifically DU145 and PC-3. Azacyclonol hydrochloride demonstrates antitumor activity in DU145-xenografted chorioallantoic membrane tumor models. Azacyclonol hydrochloride also acts as a ligand for the M3 muscarinic acetylcholine receptor, which is overexpressed in ARPC. Azacyclonol hydrochloride effectively blocks carbachol-induced proliferation and NOX activity in DU145 cells. Azacyclonol hydrochloride can also be utilized for the treatment of chronic schizophrenia.
    Azacyclonol hydrochloride
  • HY-117806
    TSR-011-isomer
    		Substrate
    TSR-011-isomer is an isomer of Belizatinib (HY-17603), a ALK inhibitor with an IC50 of 6 nM. TSR-011-isomer acts as a substrate for metabolic hydrolysis and NADPH-dependent metabolism. TSR-011-isomer undergoes enzymatic hydrolysis in mouse plasma and NADPH-dependent metabolism in mouse liver microsomes, thereby supporting clearance processes. TSR-011-isomer can be used in studies related to ALK-driven cancers.
    TSR-011-isomer
  • HY-10071A
    Y-27632 hydrochloride hydrate
    		Activator 99.65%
    Y-27632 hydrochloride hydrate is a ROCK inhibitor with Ki values of 220 nM and 300 nM for ROCK1 and ROCK2, respectively. Y-27632 hydrochloride hydrate exerts anti-inflammatory and immunomodulatory effects in systemic lupus erythematosus models by inhibiting the ROCK/NF-κB pathway. Y-27632 hydrochloride hydrate enhances autophagy by inhibiting the AKT/mTOR pathway, thereby inducing apoptosis apoptosis in oral squamous cell carcinoma. Y-27632 hydrochloride hydrate induces the formation of tunneling nanotubes in ARPE-19 cells and significantly enhances mitochondrial transfer through these channels. Y-27632 hydrochloride hydrate promotes neurite outgrowth in PC12 cells by activating the Rac1/NOX1/ROS/AKT/PAK1 signaling cascade.
    Y-27632 hydrochloride hydrate
  • HY-157445
    CBR1-IN-3
    CBR1-IN-3 (compound 13h) is a potent inhibitor of carbonyl reductase 1 (CBR1), with IC50 value of 0.034 μM.
    CBR1-IN-3
  • HY-P1908
    sgp91 ds-tat Peptide 2, scrambled
    		Inhibitor
    sgp91 ds-tat Peptide 2, scrambled is a scrambled sequence of NADPH oxidase inhibitor gp91 ds-tat peptide.
    sgp91 ds-tat Peptide 2, scrambled
  • HY-121097
    Diapocynin
    		Inhibitor 99.0%
    Diapocynin (Dehydrodiacetovanillone), a dimeric derivative of Apocynin, is an orally active NADPH oxidase inhibitor. Diapocynin has anti-inflammatory, neuroprotection and antioxidant activities.
    Diapocynin
  • HY-153978
    GLX481369
    		Inhibitor
    GLX481369 is a redox active substance. GLX481369 is a Nox4 inhibitor. GLX481369 has antioxidant effects.
    GLX481369
  • HY-P5384
    sgp91 ds-tat
    		Inhibitor
    sgp91 ds-tat is a biological active peptide. (This is a scrambled control peptide for gp91 ds-tat.)
    sgp91 ds-tat
  • HY-RS09463
    Nox4 Rat Pre-designed siRNA Set A
    		Inhibitor

    Nox4 Rat Pre-designed siRNA Set A contains three designed siRNAs for Nox4 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Nox4 Rat Pre-designed siRNA Set A
  • HY-181176
    DEMAMP
    		Inducer
    DEMAMP is an antioxidant. DEMAMP exhibits scavenging effects on DPPH and H2O2 free radicals, with IC50 values of 0.60 and 0.48 mg/mL, respectively. Molecular docking simulations show that DEMAMP potently inhibits NADPH oxidase and the Mpro and RdRp proteins of SARS-CoV-2, and ADMET analysis confirms that it has favorable oral bioavailability. DEMAMP can be used in studies related to COVID-19.
    DEMAMP
Cat. No. Product Name / Synonyms Application Reactivity
NADPH Oxidase Isoform Comparison

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