2. Signaling Pathways
  3. Apoptosis
    Metabolic Enzyme/Protease
  4. Glutathione Peroxidase

Glutathione Peroxidase

Glutathione Peroxidase

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Glutathione peroxidases (GPx) are a family of enzymes with the ability to reduce organic and inorganic hydroperoxides to the corresponding alcohols using glutathione or thioredoxin as an electron donor. These enzymes promote hydrogen peroxide metabolism and protect cell membrane structure and function from oxidative damage. Dysregulated GPx expression is connected with severe pathologies, including obesity and diabetes. GPx1 has been reported to be involved in both pro- and anticancer effects in different tumor models.

In mammals, the GPxs family consists of eight members (GPx1-GPx8) identified so far; five of them (GPx1-GPx4 and GPx6) contain selenocysteine in the catalytic center and the other three are cysteine-containing proteins. GPx1 is one of the most critical members of the GPxs family that catalytically reduces hydrogen peroxide to produce water. The function of GPx3 is to scavenge H2O2 and lipoperoxides in the plasma to reduce systematic oxidative stress and to maintain the bioavailability of vascular nitric oxide. Gpx4 is an essential mammalian glutathione peroxidase, which protects cells against detrimental lipid peroxidation and governs a novel form of regulated necrotic cell death, called ferroptosis.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-D0169A
    Phenol Red sodium salt
    Phenol red (Phenolsulfonephthalein) sodium salt is a pH indicator dye. Phenol Red sodium salt is also an antagonist of rat P2X1R. Phenol Red sodium salt enhances the halogenating activity of myeloperoxidase. Phenol Red sodium salt shows a distinct color change from pink to yellow in a positive pH reaction.
    Phenol Red sodium salt
  • HY-106228
    HLF1-11
    		Inhibitor 99.91%
    HLF1-11, a human lactoferrin-derived peptide, is a broad spectrum antimicrobial agent. HLF1-11 inhibits human MPO activity. HLF1-11 also directs GM-CSF-driven monocyte differentiation toward macrophages, and enhances immune responses.
    HLF1-11
  • HY-157068
    icFSP1
    		99.72%
    icFSP1 is a potent ferroptosis suppressor protein-1 (FSP1) inhibitor. icFSP1 triggers subcellular relocalization of FSP1 from the membrane and FSP1 condensation, in synergism with GPX4 inhibition. icFSP1 induces ferroptosis. icFSP1 shows antitumor activity against melanoma..
    icFSP1
  • HY-B0880
    4-Aminobenzohydrazide
    		Inhibitor 99.96%
    4-Aminobenzohydrazide (p-Aminobenzohydrazide) is an irreversible myeloperoxidase (MPO) inhibitor (IC50=0.3 μM) that induces oxidative stress burst in neutrophils (ROS IC50=43.6 μM). 4-Aminobenzohydrazide has been used in subacute stroke research.
    4-Aminobenzohydrazide
  • HY-155663
    GPX4-IN-5
    		Inhibitor 99.90%
    GPX4-IN-5 (Compound C18) is a GPX4 covalent inhibitor with an IC50 value of 0.12 μM. GPX4-IN-5 (Compound C18) can induce ferroptosis for the research of triple-negative breast cancer (TNBC) .
    GPX4-IN-5
  • HY-149236
    PROTAC GPX4 degrader-1
    		Degrader 99.35%
    PROTAC GPX4 degrader-1 (DC-2) is a PROTAC-based GPX4 degrader, with a DC50 of 0.03 μM in HT1080 cells.
    PROTAC GPX4 degrader-1
  • HY-N4288
    4-Methylesculetin
    		Inhibitor 98.21%
    4-Methylesculetin is an orally active coumarin derivative, with potent anti-oxidant and anti-inflammatory activities. 4-Methylesculetin inhibits myeloperoxidase activity. 4-Methylesculetin protects bone resorption by reducing the elevated levels of bone-joint exoglycosidases, cathepsin-D and tartrate resistant acid phosphatases. 4-Methylesculetin ameliorats the upregulated non-enzymatic inflammatory markers like TNF-α, IL-1β, IL-6, COX-2 and PGE2, which is promising for research of inflammatory diseases.
    4-Methylesculetin
  • HY-115486
    MPO-IN-28
    		Inhibitor 99.28%
    MPO-IN-28 is a selective myeloperoxidase (MPO) inhibitor with an IC50 of 44 nM. MPO-IN-28 can effectively inhibit MPO-mediated low-density lipoprotein oxidation with an IC50 of 90 nM.
    MPO-IN-28
  • HY-Y0669S
    Pipecolic acid-d9
    		Inhibitor 99.59%
    Pipecolic acid-d9 is the deuterium labeled Pipecolic acid. Pipecolic acid is a metabolite of lysine and an immunomodulator, which can induce systemic acquired resistance (SAR) in plants. Pipecolic acid inhibits ferroptosis in diabetic retinopathy through the YAP-GPX4 signaling pathway. Pipecolic acid can induce apoptosis in neuronal cells. In addition, Pipecolic acid can be used as a diagnostic marker for pyridoxin-dependent epilepsy.
    Pipecolic acid-d<sub>9</sub>
  • HY-161929
    GPX4 activator 2
    		Activator 99.23%
    GPX4 activator 2 (Compound C3) is an activator of GPX4. GPX4 activator 2 exhibits cardioprotective effects and can inhibit cellular ferroptosis (EC50 = 7.8 μM)。GPX4 activator 2 can be used in the research of myocardial injury.
    GPX4 activator 2
  • HY-153748
    ML162-yne
    		99.23%
    ML162-yne is a potent GPX4-inhibitor affinity probe. ML162-yne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    ML162-yne
  • HY-125039
    N-Acetyl lysyltyrosylcysteine amide
    		Inhibitor 99.81%
    N-Acetyl lysyltyrosylcysteine amide is a potent, reversible, specific, and non-toxic tripeptide inhibitor of myeloperoxidase (MPO). N-Acetyl lysyltyrosylcysteine amide effectively inhibits MPO generation of toxic oxidants in vivo. N-Acetyl lysyltyrosylcysteine amide reduces neuronal damage and preserves brain tissue and neurological function in the stroked brain. N-Acetyl lysyltyrosylcysteine amide inhibits MPO-dependent hypochlorous acid (HOCl) generation, protein nitration, and LDL oxidation.
    N-Acetyl lysyltyrosylcysteine amide
  • HY-19321
    PF-06282999
    		Inhibitor 99.02%
    PF-06282999 is a potent and selective myeloperoxidase inhibitor which is potential useful for the treatment of cardiovascular diseases.
    PF-06282999
  • HY-111354
    Tinoridine hydrochloride
    		Activator 99.95%
    Tinoridine hydrochloride is a nonsteroidal anti-inflammatory agent and also has potent radical scavenger and antiperoxidative activity.
    Tinoridine hydrochloride
  • HY-P2833
    Glutathione Peroxidase
    Glutathione Peroxidase (GSH-Px; EC 1.11.1.9) belongs to the peroxidase family and is commonly used in biochemical research. Glutathione Peroxidase can catalyze reduced glutathione (GSH) to form a disulfide bridge with another glutathione molecule, convert it into oxidized glutathione (GSSG), and react with hydrogen peroxide or lipid peroxide reaction, reducing it to H2O. Glutathione Peroxidase is an effective antioxidant against oxidative stress.
    Glutathione Peroxidase
  • HY-138556
    GPX4-IN-2
    		Inhibitor 98.66%
    GPX4-IN-2 is a potent GPX4 inhibitor. GPX4 shows antiproliferative activity. GPX4-IN-2 has the potential for the research of cancer.
    GPX4-IN-2
  • HY-149923
    GPX4-IN-4
    		Inhibitor 98.94%
    GPX4-IN-4 (Compound 24) is a potent GPX4 inhibitor. GPX4-IN-4 can be used for the research of cancer.
    GPX4-IN-4
  • HY-N11849
    Moracin N
    		Inhibitor 99.74%
    Moracin N is a ferroptosis inhibitor that can be isolated from mulberry leaf. Moracin N exerts neuroprotective activity through preventing from oxidative stress.
    Moracin N
  • HY-145197
    MPO-IN-3
    		Inhibitor 99.73%
    MPO-IN-3 is a potent myeloperoxidase (MPO) inhibitor (WO2013068875A1, example 191). Myeloperoxidase (MPO) is a heme-containing enzyme belonging to the peroxidase superfamily.
    MPO-IN-3
  • HY-155664
    GPX4-IN-6
    		Inhibitor
    GPX4-IN-6 (Compound C25) is a GPX4 covalent inhibitor with an IC50 value of 0.13 μM. GPX4-IN-6 (Compound C25) can induce ferroptosis for the research of triple-negative breast cancer (TNBC) .
    GPX4-IN-6
Cat. No. Product Name / Synonyms Application Reactivity