产品
编 号:F026512
分子式:C35H38N2O6
分子量:582.69
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5mg
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10mg
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25mg
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生物活性:
ASB14780 is a 4-phenoxy derivative, the cytosolic Phospholipase A2α (cPLA2α) inhibitor, with an IC50 value of 20 nM.

体内研究:
TPA (tetradecanoyl phorbol acetate) causes acute inflammation with ear, resulting in edema.ASB14780 (50 mg/kg; p.o.; once) suppresses the increase in the ear thickness elicited by the application of TPA (tetradecanoyl phorbol acetate) in mouse.ASB14780 (5 mg/kg; 20 mg/kg; p.o.; once daily) attenuates AHR (airway hyperreactivity), and inhibits IAR (immediate asthmatic response) and LAR (late asthmatic response) in a dose-dependent manner.ASB14780 shows well oral activity of 89.6% in mouse calculated from the ratio of oral administration’s AUC (10 mg/kg; p.o.) and intravenonous administration’s AUC (1 mg/kg; i.v.).Oral Bioavailabilities and Pharmacokinetic Parameters of ASB14780ModelF (%)AUC (h?μg/mL)Cmax (μg/mL)
mouse89.67.125.12
dog34.317.14.96

monkey30.94.962.29
Note: Based on 10 mg/kg p.o. dosing data.Animal Model:TPA (Tetradecanoyl Phorbol Acetate)-induced Ear Edema Model in mouse (female C57BL/6 mice)
Dosage:50 mg/kg
Administration:Oral gavage; 30 min before TPA stimulation
Result:Showed high potency and inhibited ear swelling by 30% and indicated the in vivo anti-inflammatory activity.
Animal Model:Guinea Pig Ovalbumin (OVA)-induced Asthma Model
Dosage:5 mg/kg, 20 mg/kg
Administration:Oral gavage; two single doses; 1 h before and 8 h after passively sensitized administration
Result:Exhibits suppression on IAR (immediate asthmatic response) and LAR (late asthmatic response) in a dose-dependent manner.

体外研究:
ASB14780 shows selectivity to cPLA2α (IC50 =20 nM) over type II sPLA2 (IC50 >10 μM).ASB14780 (30 min pre-incucation) inhibits cPLA2α in guinea pig whole blood (GWB) and human whole blood (HWB) in a species-derived differences, with IC50s of 0.54 μM and 0.64 μM, respectively, 15 min after being stimulated by 5 μM calcium ionophore A23187.
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