h15-LOX-2 inhibitor 1 (Comp 105) is a human epithelial 15-lipoxygenase-2 (h15-LOX-2) inhibitor with IC50 of 0.34 μM[1].
(-)-Bornyl ferulate is a 5-lipoxygenase and COX inhibitor with IC50s of 10.4 μM and 12.0 μM, respectively[1].
Zileuton sodium is a potent and selective inhibitor of 5-lipoxygenase, exhibiting inflammatory activities.
5,8,11-Eicosatriynoic acid (ETI) is a lipoxygenase inhibitor that blocks LTC4 biosynthesis in mast cell tumor cells[1].
S-(+)-Marmesin is a natural coumarin, exhibiting COX-2/5-LOX dual inhibitory activity.
5-O-Demethylnobiletin (5-Demethylnobiletin), a polymethoxyflavone isolated from Sideritis tragoriganum, 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[1].5-O-Demethylnobiletin (5-demethylnobiletin) promotes neuritogenesis through the activation of MAPK/ERK-, PKC-, and PKA-dependent signaling pathways[2].
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].
Pectolinarigenin, isolated from Cirsium chanroenicum, is a dual inhibitor of COX-2/5-LOX. Anti-inflammatory activity[1]. Pectolinarigenin has potent inhibitory activities on melanogenesis[2].
U66858 is a potent inhibitor of LTB4 production in human whole blood. U66858 also exhibits significant inhibition of lipoxygenase and TXB2 release.
Isothymusin is a potent anti-oxidant agent. Isothymusin shows radical scavenging activities. Isothymusin shows anti-proliferative activities in cancer cell lines. Isothymusin inhibited the enzymes associated with the promotion stage of cancer, including cycloxygenase- 2 and lipoxygenase-5[1][2].
2,5-Di-tert-butylhydroquinone (DTBHQ), the indirect food additive, regulates the activity of 5-lipoxygenase as well as the activity of COX-2 (IC50=1.8 and 14.1 μM for 5-LO and COX-2, respectively) [1].
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[1][2].
S-2474 is an inhibitor of COX-2 and 5-lipoxygenase, with IC50s of 11 nM and 27 μM for COX-2 and COX-1 in human intact cells, and used as a nonsteroidal anti-inflammatory drug.
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[1][2].
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[1].
2-TEDC is a potent inhibitor of 5-, 12-, and 15-lipoxygenase with IC50 values of 0.09 μM, 0.013 μM and 0.5 μM, respectively. 2-TEDC can be used for the research of atheroscrelosi[1].
CMI977 is a potent 5-Lipoxygenase (5-LO) inhibitor.
Licofelone-d6 is the deuterium labeled Licofelone[1]. Licofelone (ML-3000) is a dual COX/5-lipoxygenase (5-LOX) inhibitor (IC50=0.21/0.18 μM, respectively) for the treatment of osteoarthritis. Licofelone exerts anti-inflammatory and anti-proliferative effects. Licofelone induces apoptosis, and decreases the production of proinflammatory leukotrienes and prostaglandins[2][3][4].
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 and subsequent leukotriene and nuclear factor-kappa B (NF-κB) activation and tumor necrosis factor alpha generation production[1].
CAY10698 (compound 1) is a potent and selective inhibitor of 12-Lipoxygenase (12-LOX) with an IC50 of 5.1 μM. CAY10698 is inactive against 5-LOX, 15-LOX-1, 15-LOX-2 and COX-1/2[1].
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[1].
5-Lipoxygenase-In-1 is a 5-Lipoxygenase inhibitor extracted from patent EP 331232 A2, table 4, compound example 4.10.
Caffeic acid is an inhibitor of both TRPV1 ion channel and 5-Lipoxygenase (5-LO).
Picrinine, an akuammiline alkaloid, is isolated from the leaves of Alstonia scholaris. Picrinine exhibits anti-inflammatory activity through inhibition of the 5-lipoxygenase enzyme[1].
Plathymenin is a flavonoid that can be isolated from Nepalese propolis. Plathymenin is a potent inhibitor of 5-LOX[1][2].