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  3. CGS 15435

CGS 15435 

Cat. No.: HY-100283
Handling Instructions

CGS 15435, a potent thromboxane (TxA2) synthetase inhibitor with an IC50 of 1 nM, has a selectivity for Tx synthetase 100000-fold greater than that for cyclooxygenase, PGI2 synthetase and lipoxygenase enzymes.

For research use only. We do not sell to patients.

CGS 15435 Chemical Structure

CGS 15435 Chemical Structure

CAS No. : 95853-92-2

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Description

CGS 15435, a potent thromboxane (TxA2) synthetase inhibitor with an IC50 of 1 nM, has a selectivity for Tx synthetase 100000-fold greater than that for cyclooxygenase, PGI2 synthetase and lipoxygenase enzymes.

IC50 & Target

IC50: 1 nM (TxA2 synthetase), 60 μM (5-Lipoxygenase), 90 μM (PGI2 synthetase), 1200 μM (Cyclooxygenase)[1]

In Vitro

CGS 15435 is a highly specific Tx synthetase inhibitor. CGS 15435 is only weakly effective as an inhibitor of PGE2 (Cyclooxygenase, IC50=1200 μM), prostacyclin (PGI2 synthetase, IC50=90 μM) or 5-Lipoxygenase (IC50=60 μM) product formation[1].

In Vivo

CGS 15435 has a long duration of action, since the increases in the plasma levels of TxB2 are prevented even at 24 h after CGS 15435 administration. CGS 15435 significantly inhibits TxB2 formation 4, 6, 12 and 24 h after dosing. Administration of CGS 15435 0.25 or 24 h prior to Arachidonic acid (AA) produced no increase in TxB2 in the surviving animals (4/4 and 5/6, respectively). The final TxB2 levels in the CGS15435A (0.25 and 24 h pretreatment) groups are significantly lower (P<0.05) than those seen in the AA or the Dazoxiben (2 h pretreatment) groups[1].

Molecular Weight

356.85

Formula

C₂₀H₂₁ClN₂O₂

CAS No.

95853-92-2

SMILES

O=C(O)CCCCCC1=C(C2=CC=CN=C2)N(C)C3=C1C=C(Cl)C=C3

Shipping

Room temperature in continental US; may vary elsewhere

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

References
Kinase Assay
[1]

Thromboxane synthetase, cyclooxygenase, prostacyclin synthetase, and lipoxygenase enzymes are prepared. For the individual enzyme assays. [1-14C]Arachidonic acid (AA) is incubated with partially purified enzyme obtained from human platelets (thromboxane synthetase), sheep seminal vesicles (cyclooxygenase), bovine aorta (prostacyclin synthetase), and guinea-pig leukocytes (lipoxygenase). At the end of the incubation period, the products are extracted into ethyl acetate, the extracts are evaporated to dryness, the residues are redissolved in acetone, and these solutions are spotted on thin layer chromatography plates. The plates are developed in the appropriate solvents, scanned and radioactive spots corresponding to those of TxB2, PGE2, 6-keto PGFu, and 5-HETE, are scraped off and counted by a radiospectrometer. The IC50 values are determined by employing a range of concentrations of test compounds over the linear range of the assay and analyzed graphically. All determinations are done in duplicate and repeated once[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1]

Rabbits[1]
Adult male New Zealand rabbits (2.3-3.5 kg) are anesthetized with sodium pentobarbital (30 mg/kg i.v.). The animals are tracheotomized and the left femoral artery and vein are cannulated for the recording of mean arterial blood pressure (MABP) and the injection of either vehicle or drug, respectively. The animals are allowed to stabilize for at least 15 rain prior to drug or vehicle administration. CGS 15435 and DAZ are dissolved in 2 mL of 0.5 M Tris buffer (pH 8.4) and injected i.v. over a 15 s period. CGS 15435 (8.6 μmol/kg; 3.1 mg/kg) is administered at 15 min (n=4) or 24 h (n=6) prior to AA.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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