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-115864
    Osavampator
    		99.89%
    Osavampator (TAK-653) is a AMPA receptor positive allosteric modulator. Osavampator selectively binds to AMPA-R in a glutamate-dependent manner and induces Ca2+ influx in hGluA1i CHO cells (EC50 = 3.3 μM). Osavampator improves learning and memory in many models. Osavampator is can be used for the research of depressive disorders.
    Osavampator
  • HY-138989
    15-LOX-1 inhibitor 1
    		Inhibitor 98.81%
    15-LOX-1 inhibitor 1 is a potent inhibitor of 15-LOX-1 (15-lipoxygenase-1) with an IC50 value of 0.19 μM. 15-LOX-1 inhibitor 1 protects macrophages from lipopolysaccharide-induced cytotoxicity. 15-LOX-1 inhibitor 1 inhibits NO formation and lipid peroxidation.
    15-LOX-1 inhibitor 1
  • HY-132845
    Utreloxastat
    		Inhibitor 99.69%
    Utreloxastat (PTC857) is an orally active 15-lipoxygenase inhibitor that can cross the blood-brain barrier. Utreloxastat is a weak inhibitor of CYP1A2 and 2B6 with an IC50 > 5.3 μM. Utreloxastat reduces oxidative stress and inhibits the consumption of reduced glutathione and ferroptosis. Utreloxastat can be used in the study of neurodegenerative diseases characterized by high levels of oxidative stress and mitochondrial pathology, such as amyotrophic lateral sclerosisc.
    Utreloxastat
  • HY-N2056
    11-​Keto-​beta-​boswellic acid
    		Inhibitor 99.96%
    11-Keto-beta-boswellic acid (11-Keto-β-boswellic acid) is a pentacyclic triterpenic acid of the oleogum resin from the bark of the Boswellia serrate tree, popularly known as Indian Frankincense. 11-Keto-beta-boswellic acid has the anti-inflammatory activity is primarily due to inhibit 5-lipoxygenase (5-LOX) and subsequent leukotriene and nuclear factor-kappa B (NF-κB) activation and tumor necrosis factor alpha generation production.
    11-​Keto-​beta-​boswellic acid
  • HY-N1881
    4',5-Dihydroxyflavone
    		Inhibitor 99.95%
    4',5-Dihydroxyflavone is a soybean LOX-1 and yeast α-Glucosidase inhibitor, with an Ki of 102.6 μM for soybean LOX-1 and an IC50 of 66 μM for yeast α-glucosidase. LOX-1 isshort for Lectin-like oxidized low-density lipoprotein receptor-1.
    4',5-Dihydroxyflavone
  • HY-110399
    Cirsiliol
    		Inhibitor 99.26%
    Cirsiliol is a potent and selective 5-lipoxygenase inhibitor and a competitive low affinity benzodiazepine receptor ligand.
    Cirsiliol
  • HY-13219
    Tepoxalin
    		Inhibitor 99.05%
    Tepoxalin is a dual inhibitor of COX and 5-lipoxygenase (5-LO) with potent anti-inflammatory activity and a favorable gastrointestinal profile.
    Tepoxalin
  • HY-N2176
    S-(+)-Marmesin
    		Inhibitor 99.04%
    S-(+)-Marmesin is a natural coumarin, exhibiting COX-2/5-LOX dual inhibitory activity.
    S-(+)-Marmesin
  • HY-143791
    ALOX15-IN-2
    		Inhibitor 99.88%
    ALOX15-IN-2 (compound 8a) is a potent inhibitor of the linoleate oxygenase activity of rabbit and human ALOX15 with IC50s of 1.55 and 2.79 μM for ALOX15 0rthologs linoleic acid (LA) and arachidonic acid (AA), respectively.
    ALOX15-IN-2
  • HY-50672
    MK-0731
    		Inhibitor 99.85%
    MK-0731 is a selective, non-competitive and allosteric kinesin spindle protein (KSP) inhibitor with an IC50 of 2.2 nM and a pKa of 7.6. MK-0731 is >20,000 fold selectivity against other kinesins. MK-0731 induces mitotic arrest and induces apoptosis in tumors. MK-0731 provides significant antitumor efficacy.
    MK-0731
  • HY-W066890
    4-Nitrocatechol
    		Inhibitor 99.73%
    4-Nitrocatechol is a potent lipoxygenase inhibitor.
    4-Nitrocatechol
  • HY-117048
    PF-4191834
    		Inhibitor 99.77%
    PF-4191834 (PF-04191834) is an orally active, noniron chelating, and non-redox inhibitor of the 5-Lipoxygenase (5-LOX) (IC50=229 nM), displays ~300-fold selectivity for 5-LOX over 12-LOX and 15-LOX, shows no activity toward the cyclooxygenase enzymes, and is effective in inflammation and pain.
    PF-4191834
  • HY-105024
    FPL 62064
    		Inhibitor 99.25%
    FPL 62064 is a potent 5-lipoxygenase (5-LOX) and COX dual inhibitor, with IC50 values of 3.5 μM and 3.1 μM for RBL-1 cytosolic 5-lipoxygenase and prostaglandin synthetase (cyclooxygenase), respectively. FPL 62064 has potent anti-inflammatory activity.
    FPL 62064
  • HY-12886
    Docebenone
    		Inhibitor 99.31%
    Docebenone (AA 861) is a potent, selective and orally active 5-LO (5-lipoxygenase) inhibitor.
    Docebenone
  • HY-139196
    ThioLox
    		Inhibitor 99.97%
    ThioLox is a competitive 15-lipoxygenase-1 (15-LOX-1) inhibitor with a Ki of 3.30 μM. ThioLox shows anti-inflammatory and neuroprotective properties.
    ThioLox
  • HY-143787
    ALOX15-IN-1
    		Inhibitor 98.09%
    ALOX15-IN-1 (compound 8b) is a potent inhibitor of the linoleate oxygenase activity of rabbit and human ALOX15 with IC50s of 0.04 and 2.06 μM for ALOX15 0rthologs linoleic acid (LA) and arachidonic acid (AA), respectively.
    ALOX15-IN-1
  • HY-N1942
    5-O-Demethylnobiletin
    		Inhibitor 99.91%
    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
  • HY-138688
    Cinnamyl-3,4-dihydroxy-α-cyanocinnamate
    		Inhibitor 98.71%
    Cinnamyl-3,4-dihydroxy-α-cyanocinnamate (CDC) is a potent 12/15-Lipoxygenases (LO) inhibitor. Cinnamyl-3,4-dihydroxy-α-cyanocinnamate has the potential for the research of type 1 diabetes mellitus.
    Cinnamyl-3,4-dihydroxy-α-cyanocinnamate
  • HY-W008833
    3-Aminobutanoic acid
    		Inhibitor ≥98.0%
    3-Aminobutanoic acid is a β-amino acid. 3-Aminobutanoic acid can protect plant against a challenge infection with P. infestans. 3-Aminobutanoic acid has various levels of susceptibility for the pathogen.
    3-Aminobutanoic acid
  • HY-W010144
    Phenidone
    		Inhibitor 99.00%
    Phenidone, an orally active dual inhibitor of cyclooxygenase (COX) and lipoxygenase (LOX), ameliorates rat paralysis in experimental autoimmune encephalomyelitis. Phenidone is a potent hypotensive agent in the spontaneously hypertensive rat. Phenidone is used as a photographic developer.
    Phenidone
Cat. No. Product Name / Synonyms Application Reactivity
Lipoxygenase Isoform Comparison

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