Indirubin-3'-monoxime is a potent GSK-3β inhibitor, and weakly inhibits 5-Lipoxygenase, with IC50s of 22 nM and 7.8-10 µM, respectively; Indirubin-3'-monoxime also shows inhibitory activities against CDK5/p25 and CDK1/cyclin B, with IC50s of 100 and 180 nM.
3-O-Acetyl-11-hydroxy-beta-boswellic acid is a potent 5-lipoxygenase (5-LO) inhibitor[1].
COX-2/15-LOX-IN-1 (Compound 14) is a COX-2 and 15-lipoxygenase enzyme (15-LOX) inhibitor with IC50 values of 10.65, 0.075 and 2.98 μM against COX-1, COX-2 and 15-LOX, respectively. COX-2/15-LOX-IN-1 shows anti-inflammatory activity[1].
PF-4191834 (PF-04191834) is an orally active, noniron chelating, and non-redox inhibitor of the 5-Lipoxygenase (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[1].
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].
ML351 is a potent and highly specific 15-LOX-1 inhibitor with an IC50 of 200 nM. ML351 shows excellent selectivity (>250-fold) versus the related isozymes, 5-LOX, platelet 12-LOX, 15-LOX-2, ovine COX-1, and human COX-2[1]. ML351 prevents dysglycemia and reduces β-cell oxidative stress in nonobese diabetic mouse model of T1D[2].
COX-2/5-LOX-IN-3 (compound 5b) is a potent and dual COX-2/5-LOX inhibitor with IC50 values of 45.73, 5.45 and 4.33 μM for COX-1, COX-2, and 5-LOX, respectively. COX-2/5-LOX-IN-3 has the potential for the research of inflammation diseases[1].
U-73122 is an inhibitor of phospholipase C (PLC), phospholipase A2, and 5-LO (5-lipoxygenase).
L 691816 is a potent, selective and orally active inhibitors of 5-lipoxygenase. L 691816 can be used for the research of allergies and asthma[1].
CMI-392 is a dual 5-lipoxygenese inhibitor and platelet-activating factor (PAF) receptor antagonist with IC50s of 100 and 10 nM, respectively.
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].
Wedelolactone, a natural product from Ecliptae herba, suppresses LPS-induced caspase-11 expression by directly inhibiting the IKK Complex[1]. Wedelolactone inhibits 5-lipoxygenase (5-Lox) (IC50~2.5 μM) activity by an oxygen radical scavenging mechanism. Wedelolactone induces caspase-dependent apoptosis in prostate cancer cells via downregulation of PKCε without inhibiting Akt[2]. Anti-cancer, anti-inflammatory, and antioxidant activities[3].
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].
MLS000545091 is a potent and selective lipoxygenase-2 (LOX-2) inhibitor with an IC50 value of 2.6 μM for h15-LOX-2[1].
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[1].
Atractylochromene is a potent dual inhibitor of 5-LOX/COX-1 with IC50s of 0.6 and 3.3 μM, respectively[1].
Aureusidin is an aurone with high antioxidant and lipoxygenase inhibitory activity. Aureusidin also shows anti-inflammatory effects[1].
CMI977 is a potent 5-Lipoxygenase (5-LO) inhibitor.
AHR-5333 is a selective human blood neutrophil 5-lipoxygenase inhibitor. AHR-5333 exhibits potent, long-acting activity in rat and guinea pig in vivo models of immediate hypersensitivity[1].
Docebenone (AA 861) is a potent, selective and orally active 5-LO (5-lipoxygenase) inhibitor.
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[1].
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].
Zileuton-d4 (A 64077-d4) is the deuterium labeled Zileuton. Zileuton (A 64077) is a potent and selective inhibitor of 5-lipoxygenase with antiasthmatic properties[1][2].
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].
HZ52 is a potent, reversible 5-lipoxygenase inhibitor, blocking leukotriene synthesis with an IC50 of 0.7 μM in intact human polymorphonuclear leukocytes[1].
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[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].
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[1].