1. Metabolic Enzyme/Protease
  2. Elastase
  3. Freselestat

Freselestat (Synonyms: ONO-6818; ONO-PO-736)

目录号: HY-15652
产品使用指南

Freselestat (ONO-6818) 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 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。

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Freselestat Chemical Structure

Freselestat Chemical Structure

CAS No. : 208848-19-5

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Description

Freselestat (ONO-6818) is a potent and orally active neutrophil elastase inhibitor with a Ki of 12.2 nM. Freselestat 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 has a potent anti-inflammatory activity[1][2][3][4].

IC50 & Target

Ki: 12.2 nM (Neutrophil elastase)[3]

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[3].

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[1].

Animal Model: Male Wistar rats (228 g) induced by human neutrophil elastase (HNE)[1]
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.
Molecular Weight

452.51

Formula

C₂₃H₂₈N₆O₄

CAS No.

208848-19-5

SMILES

O=C(NC(C(C1=NN=C(C(C)(C)C)O1)=O)C(C)C)CN(C(C2=CC=CC=C2)=NC=C3N)C3=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

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

References
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× = ×
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Keywords:

FreselestatONO-6818ONO-PO-736ONO6818ONO 6818ElastaseNon-peptidicorallyneutrophilelastaseIL-8C5b-9myeloperoxidaseanti-inflammatoryInhibitorinhibitorinhibit

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Freselestat
目录号:
HY-15652
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