- Lipoxygenase Inhibitors (5)
- New Lipoxygenase Products
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Zileuton is an orally active inhibitor of 5-lipoxygenase, and thus inhibits leukotrienes (LTB4, LTC4, LTD4, and LTE4) formation, used to decrease the symptoms of asthma.
CD19+ B cells (A) or PBMCs (B) from a healthy donor were treated with zileuton (10 μM) prior to 17-HDHA or RvD1 treatment, followed by stimulation with the IgE-inducing cocktail. Cell culture supernatants were collected at day 7, and IgE levels were measured. The experiment was done in one representative donor (mean ± SEM). Data were analyzed by 1-way ANOVA with Tukey’s post test, **P ≤ 0.01, ***P ≤ 0.001. PBMC, peripheral blood mononuclear cell.
Nordihydroguaiaretic acid (NDGA) is a phenolic antioxidant found in the leaves and twigs of the evergreen desert shrub, Larrea tridentata (Sesse and Moc. ex DC) Coville (creosote bush). It is a recognized inhibitor of lipoxygenase (LOX) and has antioxidant and free radical scavenging properties.
MK-886 is an inhibitor of leukotriene biosynthesis, inhibiting 5-lipoxygenase-activating protein (FLAP). It is also a moderately potent PPARα antagonist.
Abietic acid, an abietane diterpenoid, inhibited soybean 5-lipoxygenase with an IC50 of 29.5 ± 1.29 μM.
Esculetin is a coumarin derivative found in various natural plant products with various biological and pharmaceutical properties including anti-edema, anti-inflammatory and anti-tumour effects. It inhibits lipoxygenases (LOs).