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-111140
    YS121
    		Inhibitor 99.74%
    YS121 is a dual inhibitor of microsomal prostaglandin E2 synthase-1 (mPGES-1; IC50=3.4 μM) and 5-lipoxygenase (5-LOX; IC50=6.5 μM). YS121 dose- dependently reduces PGE2 production with EC50=12 μM in IL-1β-stimulated A549 cells.
    YS121
  • HY-138939
    5-LOX-IN-2
    		Inhibitor 98.75%
    5-LOX-IN-2, an inhibitor of 5-lipoxygenase (5-LOX) with an IC50 of 0.33 μM, inhibits 5-LOX in a dose-dependent manner . 5-LOX-IN-2, reduces the cell viability of renal cancer cells and induces apoptosis, can be used for cancer research.
    5-LOX-IN-2
  • HY-W009248
    Phenethyl ferulate
    		Inhibitor 99.88%
    Phenethyl ferulate is a major constituent ofQianghuo, shows inhibitory activity against cyclooxygenase (COX) and 5-lipoxygenase (5-LOX) with IC50 values of 4.35 μM and 5.75 μM, respectively.
    Phenethyl ferulate
  • HY-N2074
    Picrinine
    		Inhibitor 99.33%
    Picrinine, an akuammiline alkaloid, is isolated from the leaves of Alstonia scholaris. Picrinine exhibits anti-inflammatory activity through inhibition of the 5-lipoxygenase enzyme.
    Picrinine
  • HY-118110
    MLS000545091
    		Inhibitor 99.92%
    MLS000545091 is a potent and selective lipoxygenase-2 (LOX-2) inhibitor with an IC50 value of 2.6 μM for h15-LOX-2.
    MLS000545091
  • HY-125975
    1-Naphthyl 3,5-dinitrobenzoate
    		Inhibitor 99.49%
    1-Naphthyl 3,5-dinitrobenzoate is a potent 5-lipoxygenase inhibitor with IC50 values of 1.04 µM and 3.6 µM for 5-LOX and mPGES-1, respectively. 1-Naphthyl 3,5-dinitrobenzoate has strong inhibition activity in the human whole blood (HWB) assay with an IC50 value of 8.6 μM. 1-Naphthyl 3,5-dinitrobenzoate can be used in research of inflammation.
    1-Naphthyl 3,5-dinitrobenzoate
  • HY-N10898
    (-)-Dihydroguaiaretic acid
    		Inhibitor 98.79%
    (-)-Dihydroguaiaretic acid is a Lipoxygenase inhibitor that has antioxidant activity. (-)-Dihydroguaiaretic acid inhibits the oxidation of unsaturated fatty acids and removes free radicals. (-)-Dihydroguaiaretic acid also has anticancer activity with an IC50 value of 7.49 μM (A549 cells).
    (-)-Dihydroguaiaretic acid
  • HY-103158
    BW B70C
    		Inhibitor
    BW B70C is a potent, selective and orally activearachidonic acid 5-lipoxygenase inhibitor. BW B70C inhibits both acute and allergic bronchoconstriction and late-phase eosinophil accumulation subsequent to allergen inhalation in guinea-pigs. BW B70C prevents leukotriene C4 synthesis and reduces leucocyte migration to the airways lumen as well as albumin microvascular leakage. BW B70C has the potential for the research of anti-asthma agent.
    BW B70C
  • HY-N11058
    Damnacanthol
    		Inhibitor 99.76%
    Damnacanthol is a natural product that can be isolated from Damnacanthus major. Damnacanthol has anti-15-lipoxygenase activity and can inhibit nitric oxide production in LPS-activated macrophages RAW 264.7 cells.
    Damnacanthol
  • HY-127029A
    Umbelliprenin
    		Inhibitor 99.93%
    Umbelliprenin, a prenylated coumarin, is an antioxidant with anticancer, anti-inflammatory and immunomodulatory effects. Umbelliprenin inhibits lipoxygenase managing the inflammation pathways. In inflammatory macrophages, Umbelliprenin suppresses nitric oxide production as well as inducible nitric oxide synthase (NO synthase).
    Umbelliprenin
  • HY-W009757
    Ethyl 5-hydroxy-2-methyl-1H-indole-3-carboxylate
    		Inhibitor 99.64%
    Ethyl 5-hydroxy-2-methyl-1H-indole-3-carboxylate is an active compound, and can be used in the synthesis of 2-phenylthiomethyl-indole derivatives, 2-phenylthiomethyl-indole derivative is a 5-lipoxygenase (5-LO) inhibitor.
    Ethyl 5-hydroxy-2-methyl-1H-indole-3-carboxylate
  • HY-U00308
    5-LOX-IN-4
    		Inhibitor 98.07%
    5-LOX-IN-4 is a 5-Lipoxygenase inhibitor extracted from patent EP 331232 A2, table 4, compound example 4.10.
    5-LOX-IN-4
  • HY-126108A
    8(S)-HEPE
    		≥98.0%
    8(S)-HEPE is a monohydroxy fatty acid produced by lipoxygenase oxidation of EPA. It acts to promote hatching of barnacle eggs at 10 nM, although it is not clearly identified as the natural egg hatching factor.
    8(S)-HEPE
  • HY-U00024
    Enazadrem
    		Inhibitor
    Enazadrem is a 5-lipoxygenase inhibitor with antiinflammatory activities.
    Enazadrem
  • HY-124252
    5,8,11-Eicosatriynoic acid
    		Inhibitor
    5,8,11-Eicosatriynoic acid (ETI) is a lipoxygenase inhibitor that blocks LTC4 biosynthesis in mast cell tumor cells.
    5,8,11-Eicosatriynoic acid
  • HY-162523
    hMAO-B-IN-8
    		Inhibitor
    hMAO-B-IN-8 (Compound 23) is a hMAO-B, eeAChE, COX-2 and 5-LOX inhibitor, with IC50 values of 0.037 μM, 0.071 μM, 14.3 μM and 0.59 μM, respectively. hMAO-B-IN-8 can be used for the research of Alzheimer's disease.
    hMAO-B-IN-8
  • HY-112553
    HZ52
    		Inhibitor
    HZ52 is a potent, reversible 5-lipoxygenase inhibitor, blocking leukotriene synthesis with an IC50 of 0.7 μM in intact human polymorphonuclear leukocytes.
    HZ52
  • HY-120539
    Enofelast
    		Inhibitor
    Enofelast (BI-L-239), a 5-lipoxygenase (5-LO) inhibitor, exhibits an IC50 of 2.48 μM for inhibition of calcium ionophore-induced LTB4 generation.
    Enofelast
  • HY-163187
    COX-2/LOX-IN-1
    		Inhibitor
    COX-2/LOX-IN-1 (compound 5) is a dual cyclooxygenase-2/lipoxygenase (COX-2/LOX) inhibitor with IC50s of 30 μM and 0.55 μM, for LOX and COX-2, respectively. .
    COX-2/LOX-IN-1
  • HY-N10020
    Patulitrin
    		Inhibitor
    Patulitrin has scavenging effect in the DPPH radical. Patulitrin inhibits soybean lipoxygenase. Patulitrin also has antihypertensive effect. Patulitrin is an antioxidant flavonoid that can be isolated from Anthemis tinctoria.
    Patulitrin
Cat. No. Product Name / Synonyms Application Reactivity
Lipoxygenase Isoform Comparison

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