Home Metabolism Lipoxygenase inhibitor - Apoptosis related activator - Ferroptosis inhibitor Zileuton For research use only.

Zileuton

Synonyms: A-64077

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. Zileuton induces apoptosis while inhibits ferroptosis.

Zileuton Chemical Structure

Zileuton Chemical Structure

CAS: 111406-87-2

Selleck's Zileuton has been cited by 9 Publications

1 Customer Review

Purity & Quality Control

Batch: Purity: 100%
100

Related compound libraries

Choose Selective Lipoxygenase Inhibitors

Cell Data

Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
RBI-1 Function assay In vitro inhibition of 5-lipoxygenase (5-lo) from the 20000 g supernatant of RBI-1 cells, IC50=0.6μM 2066989
RBL-1 Function assay Inhibitory concentration against 5-lipoxygenase in rat RBL-1 cells, IC50=3.2μM 8831759
basophilic leukemia cells Function assay Inhibitory activity against 5-lipoxygenase obtained from rat basophilic leukemia cells, IC50=0.5μM 9484493
RBL-2H3 Function assay Inhibition of 5-lipoxygenase mediated conversion of [14C]arachidonic acid to leukotrienes in RBL-2H3 cells, IC50=0.804μM 9599246
granulocytes-type cells Function assay The compound was evaluated for its inhibitory activity against 5-lipoxygenase using granulocytes-type cells, IC50=2.9μM 11859001
polymorphonuclear cells Antileukotrienic assay Antileukotrienic activity in rat polymorphonuclear cells assessed as inhibition of LTB4 biosynthesis, IC50=0.01μM 17448575
MC9 Function assay Inhibition of LTB4 production in mouse MC9 cells, IC50=0.55μM 18498150
MC9 Function assay Inhibition of leukotrienes production in mouse MC9 cells 18498150
PMNL Function assay 15 mins Inhibition of 5-lipoxygenase in cell free S100 freshly isolated human PMNL cells assessed as inhibition of A23187-stimulated 5-LO product formation preincubated for 15 mins measured after 10 mins by HPLC analysis, IC50=0.5μM 22551629
BMM Function assay 30 mins Inhibition of 5-LO in mouse BMM cells assessed as formation of LTC4 after 30 mins by enzyme immunoassay, IC50=0.19μM 26432605
A549 Function assay 15 mins Inhibition of mPGES-1 isolated from microsomes of interleukin-1 beta-stimulated human A549 cells using PGH2 as substrate preincubated for 15 mins followed by substrate addition measured after 1 min by RP-HPLC analysis, IC50=0.6μM 30053720
RAW264.7 Function assay 5 uM 24 hrs Inhibition of LPS/IFNgamma-stimulated lipid peroxidation in mouse RAW264.7 cells at 5 uM after 24 hrs by BODIPY 581/591 C11-staining based FACS assay 30964295
RAW264.7 Function assay 5 uM 48 hrs Protection against LPS-induced cell death in mouse RAW264.7 cells assessed as increase in cell viability at 5 uM measured after 48 hrs by MTS assay relative to control 30964295
PMNL Function assay 5 mins Inhibition of 5-LO in human PMNL cells assessed as reduction in leukotriene formation preincubated for 5 mins followed by thapsigargin stimulation measured after 15 mins by RP-HPLC analysis, IC50=2.31μM 31260889
HEK293 Function assay 1 uM 5 mins Inhibition of human 5-LO transfected in HEK293 cells coexpressing FLAP assessed as reduction in leukotriene formation at 1 uM using arachidonic acid as substrate preincubated for 5 mins followed by calcium ionophore A23187/arachidonic acid addition and me 31260889
PMNL Function assay 1 uM 5 mins Inhibition of 5-LO in human PMNL cells assessed as reduction in leukotriene formation at 1 uM preincubated for 5 mins followed by thapsigargin stimulation measured after 15 mins by RP-HPLC analysis relative to control 31260889
BL21 (DE3) Function assay 10 mins Inhibition of recombinant human 5-lipoxygenase expressed in Escherichia coli BL21 (DE3) cells using arachidonic acid as substrate preincubated for 10 mins followed by susbtrate addition and measured after 10 mins by reverse phase HPLC method, IC50=0.5μM 31465225
insect cells Function assay 5 mins Inhibition of human recombinant 5-LOX expressed in insect cells assessed as decrease in production of 5-HPETE and 5-HETE using arachidonic acid as substrate preincubated for 5 mins followed by substrate addition measured after 20 mins in dark by ferric io, IC50=23.9μM 31774676
RBL-2H3 Function assay Inhibition of 5-Lipoxygenase of rat basophilic leukemia cells, IC50=0.14μM ChEMBL
Sf21 Function assay 4 mins Inhibition of rat 5-LOX expressed in Sf21 insect cells preincubated for 4 mins followed by AA substrate addition and measured after 4 mins by FOX assay, IC50=0.18μM ChEMBL
RBL-2H3 Function assay In vitro inhibition of 5-lipoxygenase in RBL-2H3 (Rat basophilic leukemia) cells, IC50=1.25μM ChEMBL
Click to View More Cell Line Experimental Data

Biological Activity

Description 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. Zileuton induces apoptosis while inhibits ferroptosis.
Targets
Ferroptosis [6] 5-lipoxygenase [1]
In vitro
In vitro

Zileuton suppresses PG biosynthesis by interference with arachidonic acid (AA) release in macrophages. Zileuton significantly reduces PGE2 and 6-keto prostaglandin F1α (PGF1α) levels in activated mouse peritoneal macrophages and in J774 macrophages. Zileuton inhibits PGE2 production in LPS-stimulated human whole blood and suppresses PGE2 and 6-keto PGF1α pleural levels in rat carrageenan-induced pleurisy. [1]
In Vivo
In vivo

Zileuton significantly reduces macroscopic damage score after four weeks of treatment in rats. Zileuton administration significantly increases the intracolonic release of both thromboxane B2 at week 1 and prostaglandin E2 at weeks 2 and 4 in rats. [2] Zileuton reduces the spinal cord inflammation and tissue injury, neutrophil infiltration, TNF-alpha, COX-2 and pERK1/2 expression, PGE(2) and LTB(4) production, and apoptosis in mice. Zileuton significantly improves the recovery of limb function over 10 days in mice.[3]

 

Zileuton administrated before I/R significantly reduces the degree of renal dysfunction (urea, creatinine) and injury (AST, histology) in 5-lipoxygenase knockout mice. Zileuton reduces the expression of ICAM-1 and the associated PMN infiltration caused by I/R of the mouse kidney in 5-lipoxygenase knockout mice. [4]

 

Zileuton inhibits LTB(4) production in the peritonitis model more effectively than the LTA(4)H inhibitor, but the influx of neutrophils into the peritoneum after 1 and 2 hours is significantly higher in Zileuton- versus JNJ-26993135-treated mice. [5]
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT01136941 Completed Sickle Cell Disease Children''s Hospital Medical Center Cincinnati September 2010 Phase 1
NCT01130688 Terminated Chronic Myelogenous Leukemia University of Massachusetts Worcester January 2010 Phase 1

Chemical lnformation & Solubility

Molecular Weight 236.29 Formula

C11H12N2O2S
CAS No. 111406-87-2 SDF Download Zileuton SDF
Smiles CC(C1=CC2=CC=CC=C2S1)N(C(=O)N)O
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 47 mg/mL ( (198.9 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 47 mg/mL

Water : Insoluble


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In vivo
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