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208848-19-5

中文名稱 FRESELESTAT
英文名稱 FRESELESTAT
CAS 208848-19-5
分子式 C23H28N6O4
分子量 452.51
MOL 文件 208848-19-5.mol
208848-19-5 結(jié)構(gòu)式 208848-19-5 結(jié)構(gòu)式

基本信息

中文別名
夫瑞司他 ONO6818
英文別名
ONO6818
ONO 6818
ONO-6818
ONO-PO-736
Freselesat
FRESELESTAT
5-Amino-N-[1-[[5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2-yl]carbonyl]-2-methylpropyl]-6-oxo-2-phenyl-1(6H)-pyrimidineacetamide
1(6H)-PyriMidineacetaMide,5-aMino-N-[1-[[5-(1,1-diMethylethyl)-1,3,4-oxadiazol-2-yl]carbonyl]-2-Methylpropyl]-6-oxo-2-phenyl-

物理化學(xué)性質(zhì)

熔點(diǎn)151-153oC
密度1.32±0.1 g/cm3(Predicted)
儲(chǔ)存條件-20°C冷凍
溶解度可溶于DMSO(少許)、甲醇(少許)
酸度系數(shù)(pKa)12.43±0.46(Predicted)
形態(tài)固體
顏色灰白色至淡黃色

常見問題列表

生物活性
Freselestat (ONO-6818) 是一種有效且具有口服活性的嗜中性粒細(xì)胞彈性蛋白酶 (neutrophil elastase) 抑制劑,Ki 為 12.2 nM。Freselestat 對(duì)其他蛋白酶(例如胰蛋白酶,蛋白酶3,胰彈性蛋白酶,纖溶酶,凝血酶,膠原酶,組織蛋白酶G和鼠巨噬細(xì)胞彈性蛋白酶)的活性低 100 倍以上,并具有有效的抗炎活性。
靶點(diǎn)

Ki: 12.2 nM (Neutrophil elastase)

體外研究

Simulated extracorporeal circulation is established by recirculating fresh heparinized (3.75 U/mL) human blood for 120 minutes in a membrane oxygenator and a roller pump with and without 1.0 μM of Freselestat (ONO-6818). Neutrophil elastase levels are significantly lower in the Freselestat group. Freselestat significantly reduces interleukin 8 and C5b-9 production. Freselestat does not modulate changes of CD11b and L-selectin during recirculation.

體內(nèi)研究

Freselestat (ONO-6818; 10-100 mg/kg; oral administration; daily; for 8 weeks) treatment attenuates dose-dependently HNE-induced increases in lung myeloperoxidase activity, hemoglobin, and neutrophil count in bronchoalveolar lavage fluid. ONO-6818 inhibits acute lung injury induced by HNE by minimizing lung hemorrhage and accumulation of neutrophils in the lung.

Animal Model: Male Wistar rats (228 g) induced by human neutrophil elastase (HNE)
Dosage: 10 mg/kg, 100 mg/kg
Administration: Oral administration; daily; for 8 weeks
Result: Attenuated dose-dependently HNE-induced increases in lung myeloperoxidase activity, hemoglobin, and neutrophil count in bronchoalveolar lavage fluid.
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