产品
编 号:F253963
分子式:C66H99N23O17S2
分子量:1550.77
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500μg
询价
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1mg
询价
询价
5mg
询价
询价
10mg
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生物活性:
Compstatin, a 13-residue cyclic peptide, is a potent inhibitor of the complement system C3 with species specificity. Compstatin binds to baboon C3 and is resistant to proteolytic cleavage in baboon blood (similar to humans). Compstatin inhibits only the activation of primates’ complement system. Compstatin exhibits IC50 values of 63 μM and 12 μM for classical and alterative complement pathway, respectively.

体内研究:
Compstatin (21 mg/kg) 在作为推注和输注的组合给药时产生完全抑制作用。Compstatin 完全抑制体内肝素/鱼精蛋白诱导的补体激活,而不会对心率或全身动脉压、中心静脉压和肺动脉压产生不利影响。Compstatin 在狒狒血浆中稳定超过 24 小时。 Compstatin 灌注组猪异种移植物的存活时间明显长于对照组。Animal Model:Juvenile baboons (P. Anubis) weighing 10.5-28.8 kg.
Dosage:50, 25 mg/kg 60 min after heparin and 2 min before protamine.
Administration:A bolus injection.
Result:Completely inhibited complement activation induced by heparin–protamine complexes.

体外研究:
Compstatin 在人体血液中的体外半衰期约为 2 小时。 在溶液中,compstatin在Gln-5-Gly-8残基上与二硫桥Cys-2-Cys12、残基Ile-1-Val-4和Thr-13形成β-旋,形成疏水簇。
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