Bunaprolast
Bunaprolast (U66858) is a potent inhibitor of LTB4 production in human whole blood. Bunaprolast (U66858) also exhibits significant inhibition of lipoxygenase and TXB2 release.
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- CAS. Nr.: 99107-52-5
- Formel: C17H20O3
- Molecular Weight:272.34
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Speicherung:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biologische Aktivität
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Chemical Information
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Biologische Aktivität
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LTB4 |
TXB2 |
5-LO |
Bunaprolast (U-66,858) undergoes deacetylation to an initial metabolite with similar pharmacological potency. The inhibitory effects of the semi-quinone Bunaprolast and its metabolite U-68,244 on the ionophore-induced formation of leukotriene B4 (LTB4) are examined in human whole blood (WB). Preincubation of Bunaprolast and U-68,244 for 1 min prior to challenge of blood with calcium ionophore A23187 results in IC50s of 1080±644 and 820±442 nM, respectively. After 60 min preincubation, IC50s are 250±85 and 270±79 nM. The activity of the lipoxygenase inhibitor AA-861 in this system is similar to that of Bunaprolast, while vitamin K and the sulphate conjugate of Bunaprolast show significant inhibition of LTB4 release only at micromolar concentrations. Bunaprolast exhibits significant inhibition of thromboxane A2 release (p<0.02) in a comparative study with the known cyclooxygenase (CO) inhibitor Flurbiprofen[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS. Nr. 99107-52-5
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Molecular Weight 272.34
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Formel C17H20O3
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SMILES
COC1=C2C=CC=CC2=C(OC(C)=O)C(CCCC)=C1
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Synonyms
U66858
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Please store the product under the recommended conditions in the Certificate of Analysis.
Reinheit & Dokumentation
Verweise
[1]. Summers JA, et al. Lipoxygenase inhibitory activity of U-66,858 and its deacetylated metabolite U-68,244 in human whole blood. Agents Actions. 1994 Mar;41(1-2):32-6. [Content Brief]
[2]. Johnson HG, et al. Activity of a novel hydroquinone inhibitor of leukotriene synthesis (U-66,858) in the rhesus monkey Ascaris reactor. Int Arch Allergy Appl Immunol. 1988;87(2):204-7. [Content Brief]
Calculators
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
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