2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Lipoxygenase

Lipoxygenase

LOX

Lipoxygenase

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Lipoxygenases (LOXs) are a family of enzymes that are responsible for the metabolism of arachidonic and docosahexaenoic acid and for the formation of several eicosanoids and docosanoids, including leukotrienes, lipoxins and neuroprotectins. Depending on cells' redox state and other milieu conditions, these enzymes are engaged in oxidative stress and cell death mechanisms or in cell protection. Lipoxygenases are lipid peroxidizing enzymes, implicated in the pathogenesis of inflammatory and hyperproliferative diseases, which represent potential targets for pharmacological intervention.

Lipoxygenases are classified on the basis of site of arachidonate oxygenation into 5-, 8-, 9-, 11-, 12- and 15-LOX. The prominent animal LOXs are 5-LOX, 8-LOX, 12-LOX and 15-LOX, while the plant LOXs are mostly 5-LOX and 15-LOX. Among these, 5-LOX is the most predominant isoform associated with the formation of 5-hydroperoxyeicosatetraenoic acid (5-HpETE) and other bioactive lipid mediators.

Lipoxygenase Isoform Specific Products:

Lipoxygenase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N1996R
    Chebulagic acid (Standard)
    		Inhibitor
    Chebulagic acid (Standard) is the analytical standard of Chebulagic acid. This product is intended for research and analytical applications. Chebulagic acid is a COX-LOX dual inhibitor isolated from the fruits of Terminalia chebula Retz, on angiogenesis. Chebulagic acid is a M2 serine to asparagine 31 mutation (S31N) inhibitor and influenza antiviral. Chebulagic acid also against SARS-CoV-2 viral replication with an EC50 of 9.76 μM.
    Chebulagic acid (Standard)
  • HY-N0232R
    Psoralidin (Standard)
    		Inhibitor
    Psoralidin (Standard) is the analytical standard of Psoralidin. This product is intended for research and analytical applications. Psoralidin is a dual inhibitor of COX-2 and 5-LOX, regulates ionizing radiation (IR)-induced pulmonary inflammation.Anti-cancer, anti-bacterial, and anti-inflammatory properties. Psoralidin significantly downregulates NOTCH1 signaling. Psoralidin also greatly induces ROS generation.
    Psoralidin (Standard)
  • HY-155161
    COX-2/15-LOX-IN-4
    		Inhibitor
    COX-2/15-LOX-IN-4 (compound 5i) is a dual inhibitor of COX-2/15-LOX with IC50s of 0.075 μM and 1.97 μM, respectively. COX-2/15-LOX-IN-4 can inhibit LPS-induced cell production of promoting cytokines (IL-6, ROS) with specific anti-inflammatory activity.
    COX-2/15-LOX-IN-4
  • HY-163736
    mPGES-1/5-LOX-IN-1
    		Inhibitor
    mPGES-1/5-LOX-IN-1 (compound 3j) is a potent and orally active mPGES-1 and 5-LOX dual inhibitor with IC50 values of 0.92, 1.89 µM, respectively. mPGES-1/5-LOX-IN-1 shows anti-inflammatory impact.
    mPGES-1/5-LOX-IN-1
  • HY-163355
    COX-2/15-LOX-IN-5
    		Inhibitor
    COX-2/15-LOX-IN-5 (Compound 4f) is a dual inhibitor of COX-2/15-LOX. COX-2/15-LOX-IN-5 attenuates increased NF-κB activation in RAW 264.7 macrophages mediated by lipopolysaccharide (HY-D1056). COX-2/15-LOX-IN-5 has anti-inflammatory and antioxidant activities.
    COX-2/15-LOX-IN-5
  • HY-114565
    LY221068
    		Inhibitor
    LY221068 is an anti-oxidant and an orally active, potent inhibitor of iron-dependent lipid peroxidation and 5-lipoxygenase with antiinflammatory properties. LY221068 inhibits bone damage and paw swelling in the Freund's Complete adjuvant (HY-153808) induced arthritis (FCA) model of rats. LY221068 is promising for research of arthritis.
    LY221068
  • HY-120502
    5-LOX-IN-6
    		Inhibitor
    5-LOX-IN-6 (compound 11a) is a direct and reversible inhibitor of 5-lipoxygenase (5-LO). 5-LOX-IN-6 inhibits 5-LO activity in human neutrophils and recombinant human 5-LO with IC50 values of 0.23 and 0.086 µM, respectively. 5-LOX-IN-6 prevents leukotriene biosynthesis. 5-LOX-IN-6 can be used for inflammatory and allergic disorders research.
    5-LOX-IN-6
  • HY-N1942R
    5-O-Demethylnobiletin (Standard)
    		Inhibitor
    5-O-Demethylnobiletin (Standard) is the analytical standard of 5-O-Demethylnobiletin. This product is intended for research and analytical applications. 5-O-Demethylnobiletin (5-Demethylnobiletin), a polymethoxyflavone isolated from Citrus jambhiri Lush., is a direct inhibition of 5-LOX (IC50=0.1 μM), without affecting the expression of COX-2. 5-O-Demethylnobiletin (5-Demethylnobiletin) has anti-inflammatory activity, inhibits leukotriene B (4)(LTB4) formation in rat neutrophils and elastase release in human neutrophils with an IC50 of 0.35 μM.
    5-O-Demethylnobiletin (Standard)
  • HY-113826
    L-656224
    		Inhibitor
    L-656224 is an orally active, potent and selective inhibitor of leukotriene biosynthesis in intact rat and human leukocytes and CXBG mastocytoma cells (IC50 values, 18-240 nM) and of human leukocyte and porcine leukocyte 5-lipoxygenase (IC50, 4 x 10-7 M). L-656224 is promising for research of asthma and peripheral analgesic agents.
    L-656224
  • HY-117085
    Lobaric acid
    		Inhibitor
    Lobaric acid is a depsipeptide metabolite isolated from Stereocaulon lichen with antioxidant, antiproliferative, antiviral and enzyme inhibitory activities. Lobaric acid scavenges superoxide free radicals (IC50=97.9 μM) and inhibits cancer cell proliferation (EC50 of 15.2-63.9 μg/mL against leukemia, colorectal, gastric, breast, ovarian, prostate, pancreatic and lung cancer cell lines). Lobaric acid inhibits protein tyrosine phosphatase 1B (PTP1B; IC50=0.87 μM for human recombinant enzyme) and 12(S)-HETE produced by 12(S)-lipoxygenase (IC50=28.5 μM). Lobaric acid (250 μM) also reduced pathological changes in tobacco leaves infected with tobacco mosaic virus (TMV).
    Lobaric acid
  • HY-N3231
    Murraol
    		Inhibitor
    Murraol (CM-c2), a coumarin, can be isolated from the leaves of Madagascar pine cork (Apiaceae). Murraol has cyclooxygenase (COX) and lipoxygenase inhibitory properties and has an inhibitory effect on the growth of cancer cells.
    Murraol
  • HY-N3270
    Methyl orsellinate
    		Inhibitor
    Methyl orsellinate is a phytotoxic compound with antifungal activities. Methyl orsellinate is a 5-lipoxygenase inhibitor with an IC50 value of 59.6 μM. Methyl orsellinate can be used for fungal infection research.
    Methyl orsellinate
  • HY-106200A
    CJ-13,610 hydrochloride
    		Inhibitor
    CJ-13,610 (hydrochloride) is an orally active and potent nonredox-type 5-lipoxygenase inhibitor with an IC50 value of 0.07 μM. CJ-13,610 (hydrochloride) competes with activating LOOH at a regulatory LOOH-binding site with high affinity, thereby preventing 5-lipoxygenase catalysis. CJ-13,610 (hydrochloride) is promising for research of diseases related to elevated levels of 5-lipoxygenase such as inflammatory reactions, allergic asthma, various types of cancer and atherosclerosis.
    CJ-13,610 hydrochloride
  • HY-162830
    5-LOX/MAOs-IN-1
    		Inhibitor
    5-LOX/MAOs-IN-1 (compound 3) is a 5-LOX/MAOs inhibitor and a potent free radical scavenger with antioxidant properties. 5-LOX/MAOs-IN-1 also showed neuroprotective activity in oxidative stress-damaged cell models and can activate the neurogenesis microenvironment of adult mouse neural stem cells. 5-LOX/MAOs-IN-1 can be used for the study of neurodegenerative diseases.
    5-LOX/MAOs-IN-1
  • HY-121124
    Fluindione
    		Inhibitor
    Fluindione is a inhibitor of 5-lipoxygenase with the IC50 of 15 μM. Fluindione has antiinflammatory activity.
    Fluindione
  • HY-155160
    COX-2/15-LOX-IN-3
    		Inhibitor
    COX-2/15-LOX-IN-3 (compound 5k) is a dual inhibitor of COX-2/15-LOX with IC50s of 0.075 μM and 1.97 μM, respectively. COX-2/15-LOX-IN-3 can inhibit LPS-induced cell production of promoting cytokines (IL-6, ROS, and NO), with specific anti-inflammatory activity.
    COX-2/15-LOX-IN-3
  • HY-N13132
    Hellicoside
    		Inhibitor
    Hellicoside is a natural product that can be obtained from plantain. Hellicoside has inhibitory activity against cAMP phosphodiesterase and 5-lipoxygenase.
    Hellicoside
  • HY-116919
    MLS000536924
    		Inhibitor
    MLS000536924 is a potent and selective inhibitor of human epithelial 15-lipoxygenase-2 with competitive activity. MLS000536924 exhibits more than 50-fold selectivity in inhibiting h15-LOX-2 and can be effectively applied to study its role in atherosclerosis, cystic fibrosis, and ferroptosis. The binding mode of MLS000536924 shows stronger restriction of protein movement than other inhibitors, further verifying its higher biological activity.
    MLS000536924
  • HY-121931
    AA863
    AA863 is a 5-lipoxygenase inhibitor with activity in inhibiting the proliferation of human glioma cells. AA863 exhibits significant and dose-dependent inhibitory effects in monolayer cultured glioma cells with an IC50 of 9.0 micromolar.
    AA863
  • HY-165049
    1-Stearoyl-2-oleoyl-3-linoleoyl-rac-glycerol
    		Substrate
    1-Stearoyl-2-oleoyl-3-linoleoyl-rac-glycerol (1-Stearin-2-olein-3-linolein), a compound in the triglyceride composition of ostrich oil, was analyzed and identified by specific chromatography-mass spectrometry techniques.
    1-Stearoyl-2-oleoyl-3-linoleoyl-rac-glycerol
Cat. No. Product Name / Synonyms Application Reactivity
Lipoxygenase Isoform Comparison

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