Freselestat quarterhydrate (Synonyms: ONO-6818 quarterhydrate; ONO-PO-736 quarterhydrate)
目录号: PL13541 纯度: ≥99.0%
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中文名称
Freselestat quarterhydrate
英文名称
Freselestat quarterhydrate
包装储存
Powder -20°C 3 years;In solvent -80°C 6 months
产品详情
Freselestat quarterhydrate (ONO-6818 quarterhydrate) 是一种有效且具有口服活性的嗜中性粒细胞弹性蛋白酶 (neutrophil elastase) 抑制剂,Ki 为 12.2 nM。Freselestat quarterhydrate 对其他蛋白酶(例如胰蛋白酶,蛋白酶3,胰弹性蛋白酶,纤溶酶,凝血酶,胶原酶,组织蛋白酶G和鼠巨噬细胞弹性蛋白酶)的活性低 100 倍以上,并具有有效的抗炎活性。
生物活性
Freselestat quarterhydrate (ONO-6818 quarterhydrate) is a potent and orally active neutrophil elastase inhibitor with a K i of 12.2 nM. Freselestat quarterhydrate is >100-fold less-active against other proteases such as trypsin, protein-ase 3, pancreatic elastase, plasmin, thrombin, collagenase, cathepsin G, and murine macrophage elastase. Freselestat quarterhydrate has a potent anti-inflammatory activity.
性状
Solid
IC50 & Target[1][2]
Ki: 12.2 nM (Neutrophil elastase)
体外研究(In Vitro)
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. has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究(In Vivo)
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. has not independently confirmed the accuracy of these methods. They are for reference only.
运输条件
Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years;In solvent -80°C 6 months
参考文献
[1]. Am J Respir Crit Care Med. 2002 Aug 15;166(4):496-500.
[2]. K Ohmoto, et al. Design and synthesis of new orally active inhibitors of human neutrophil elastase. Bioorg Med Chem. 2001 May;9(5):1307-23.
[3]. Yasushi Hirota, et al. Effects of the neutrophil elastase inhibitor (ONO-6818) on acetic acid induced colit
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2:储存条件:粉末-20°C一般情况可以保存3年,溶于溶剂-80°C一般情况可以保存1年。不同产品及不同批次产品可能存在差异,请细致阅读产品信息,并辅助参考相关文献描述。

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