JTE 013

S1P2 receptor antagonist CAS# 547756-93-4

JTE 013

2D Structure

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JTE 013

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Chemical Properties of JTE 013

Cas No. 547756-93-4 SDF Download SDF
PubChem ID 25168534 Appearance Powder
Formula C17H19N7OCl2 M.Wt 408.29
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble to 100 mM in DMSO and to 100 mM in ethanol
Chemical Name 1-(3,5-dichloropyridin-4-yl)-3-[(1,3-dimethyl-4-propylpyrazolo[3,4-b]pyridin-6-yl)amino]urea
SMILES CCCC1=CC(=NC2=C1C(=NN2C)C)NNC(=O)NC3=C(C=NC=C3Cl)Cl
Standard InChIKey GDFXUTXWCNQTEF-UHFFFAOYSA-N
Standard InChI InChI=1S/C17H19Cl2N7O/c1-4-5-10-6-13(21-16-14(10)9(2)25-26(16)3)23-24-17(27)22-15-11(18)7-20-8-12(15)19/h6-8H,4-5H2,1-3H3,(H,21,23)(H2,20,22,24,27)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of JTE 013

DescriptionSphingosine-1-phosphate (S1P) receptor antagonist, highly selective for S1P2 (EDG-5). Inhibits S1P binding to human S1P2 receptors with an IC50 value of 17.6 nM. At concentrations up to 10 μM, displays 4.2% inhibition of S1P3 and does not antagonize S1P1. Enhances S1P-induced angiogenesis in vivo.

JTE 013 Dilution Calculator

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JTE 013 Molarity Calculator

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Preparing Stock Solutions of JTE 013

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.4492 mL 12.2462 mL 24.4924 mL 48.9848 mL 61.231 mL
5 mM 0.4898 mL 2.4492 mL 4.8985 mL 9.797 mL 12.2462 mL
10 mM 0.2449 mL 1.2246 mL 2.4492 mL 4.8985 mL 6.1231 mL
50 mM 0.049 mL 0.2449 mL 0.4898 mL 0.9797 mL 1.2246 mL
100 mM 0.0245 mL 0.1225 mL 0.2449 mL 0.4898 mL 0.6123 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on JTE 013

Tumor Necrosis Factor-induced Decrease of Cochlear Blood Flow Can Be Reversed by Etanercept or JTE-013.[Pubmed:27295443]

Otol Neurotol. 2016 Aug;37(7):e203-8.

HYPOTHESIS: This study aimed to quantify the effects of tumor necrosis factor (TNF) inhibitor Etanercept and sphingosine-1-phosphate receptor 2 antagonist JTE-013 on cochlear blood flow in guinea pigs after TNF-induced decrease. BACKGROUND: Sudden sensorineural hearing loss is a common cause for disability and reduced quality of life. Good understanding of the pathophysiology and strong evidence-based therapy concepts are still missing. In various inner ear disorders, inflammation and impairment of cochlear blood flow (CBF) have been considered factors in the pathophysiology. A central mediator of inflammation and microcirculation in the cochlea is TNF. S1P acts downstream in one TNF pathway. METHODS: Cochlea lateral wall vessels were exposed surgically and assessed by intravital microscopy in guinea pigs in vivo. Twenty-eight animals were randomly distributed into four groups of seven each. Exposed vessels were superfused by TNF (5.0 ng/ml) and afterward repeatedly either by Etanercept (1.0 mug/ml), JTE-013 (10 mumol/L), or vehicle (0.9 % NaCl solution or ethanol: phosphate-buffered saline buffer, respectively). RESULTS: After decreasing CBF with TNF (p <0.001, two-way RM ANOVA), both treatments reversed CBF, compared with vehicle (p <0.001, two-way RM ANOVA). The comparison of the vehicle groups showed no difference (p = 0.969, two-way RM ANOVA), while there was also no difference between the treatment groups (p = 0.850, two-way RM ANOVA). CONCLUSION: Both Etanercept and JTE-013 reverse the decreasing effect of TNF on cochlear blood flow and, therefore, TNF and the S1P-signalling pathway might be targets for treatment of microcirculation-related hearing loss.

Sphingosine 1-phosphate receptor 2 antagonist JTE-013 increases the excitability of sensory neurons independently of the receptor.[Pubmed:22673325]

J Neurophysiol. 2012 Sep;108(5):1473-83.

Previously we demonstrated that sphingosine 1-phosphate receptor 1 (S1PR(1)) played a prominent, but not exclusive, role in enhancing the excitability of small-diameter sensory neurons, suggesting that other S1PRs can modulate neuronal excitability. To examine the potential role of S1PR(2) in regulating neuronal excitability we used the established selective antagonist of S1PR(2), JTE-013. Here we report that exposure to JTE-013 alone produced a significant increase in excitability in a time- and concentration-dependent manner in 70-80% of recorded neurons. Internal perfusion of sensory neurons with guanosine 5'-O-(2-thiodiphosphate) (GDP-beta-S) via the recording pipette inhibited the sensitization produced by JTE-013 as well as prostaglandin E(2). Pretreatment with pertussis toxin or the selective S1PR(1) antagonist W146 blocked the sensitization produced by JTE-013. These results indicate that JTE-013 might act as an agonist at other G protein-coupled receptors. In neurons that were sensitized by JTE-013, single-cell RT-PCR studies demonstrated that these neurons did not express the mRNA for S1PR(2). In behavioral studies, injection of JTE-013 into the rat's hindpaw produced a significant increase in the mechanical sensitivity in the ipsilateral, but not contralateral, paw. Injection of JTE-013 did not affect the withdrawal latency to thermal stimulation. Thus JTE-013 augments neuronal excitability independently of S1PR(2) by unknown mechanisms that may involve activation of other G protein-coupled receptors such as S1PR(1). Clearly, further studies are warranted to establish the causal nature of this increased sensitivity, and future studies of neuronal function using JTE-013 should be interpreted with caution.

Sphingosine 1-phosphate and lysophosphatidic acid receptors: agonist and antagonist binding and progress toward development of receptor-specific ligands.[Pubmed:15271292]

Semin Cell Dev Biol. 2004 Oct;15(5):467-76.

Sphingosine 1-phosphate and lysophosphatidic acid are two phospholipid growth factors whose importance in physiology and pathophysiology is becoming more and more apparent. Structure-activity relationships for agonism and antagonism at the thirteen known cell-surface and one intracellular receptor are described. Particular emphasis is placed on ligands having different selectivity than the parent molecules. Structural insights regarding agonist and antagonist recognition by the receptors from both computational modeling studies and crystallography are also discussed.

Sphingosine 1-phosphate induces contraction of coronary artery smooth muscle cells via S1P2.[Pubmed:12667959]

Cardiovasc Res. 2003 Apr 1;58(1):170-7.

OBJECTIVES: Sphingosine 1-phosphate (Sph-1-P), a bioactive lipid derived from activated platelets, may play an important role in coronary artery spasm and hence the pathogenesis of ischemic heart diseases, since we reported that a decrease in coronary blood flow was induced by this lysophospholipid in an in vivo canine heart model [Cardiovasc. Res. 46 (2000) 119]. In this study, metabolism related to and cellular responses elicited by Sph-1-P were examined in human coronary artery smooth muscle cells (CASMCs). METHODS AND RESULTS: [3H]Sphingosine (Sph), incorporated into CASMCs, was converted to [3H]Sph-1-P intracellularly, but its stimulation-dependent formation and extracellular release were not observed. Furthermore, the cell surface Sph-1-P receptors of S1P family (previously called EDG) were found to be expressed in CASMCs. Accordingly, Sph-1-P seems to act as an extracellular mediator in CASMCs. Consistent with Sph-1-P-elicited coronary vasoconstriction in vivo, Sph-1-P strongly induced CASMC contraction, which was inhibited by JTE-013, a newly-developed specific antagonist of S1P(2) (EDG-5). Furthermore, C3 exoenzyme or Y-27632 inhibited the CASMC contraction induced by Sph-1-P, indicating Rho involvement. Finally, exogenously-added [3H]Sph-1-P underwent a rapid degradation. Since lipid phosphate phosphatases, ectoenzymes capable of dephosphorylating Sph-1-P, were expressed in CASMCs, Sph-1-P may be dephosphorylated by the ectophosphatases. CONCLUSIONS: Sph-1-P, derived from platelets and dephosphorylated on the cell surface, may induce the contraction of coronary artery smooth muscle cells through the S1P(2)/Rho signaling.

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