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    • 9. 发明授权
    • Recombinant endotoxin-neutralizing proteins
    • 重组内毒素中和蛋白
    • US06265187B1
    • 2001-07-24
    • US08431517
    • 1995-05-01
    • Randal W. ScottMarian N. Marra
    • Randal W. ScottMarian N. Marra
    • C12N1509
    • B82Y5/00A61K38/00A61K51/08A61K2123/00C07K14/47C07K14/4742C07K14/52C07K2319/00F02B2075/027G01N33/68
    • In general, the invention features a recombinant endotoxin-neutralizing polypeptide (RENP) characterized by (i) an amino acid sequence, (ii) an amino acid sequence and structure that facilitates selective and specific binding to lipopolysaccharide and (iii) once bound to the lipopolysaccharide, provides endotoxin-neutralizing activity. Preferably, the RENP is composed of an amino acid sequence similar to, but not identical to, an amino acid sequence of BPI, LBP, or both. Preferably, the RENP contains an LPS-binding domain derived from the amino acid sequence of BPI, LBP, or both. Preferably, the RENPs are covalently bound to a molecule which enhances the half-life of the polypeptide. The RENPs of the invention can be used in pharmaceutical compositions for therapeutic and prophylactic regimens, as well as in various in vitro and in vivo diagnostic methods.
    • 通常,本发明的特征在于重组内毒素中和多肽(RENP),其特征在于(i)氨基酸序列,(ii)促进对脂多糖的选择性和特异性结合的氨基酸序列和结构,以及(iii)一旦结合到 脂多糖,提供内毒素中和活性。 优选地,RENP由与BPI,LBP或两者的氨基酸序列相似但不相同的氨基酸序列组成。 优选地,RENP含有衍生自BPI,LBP或两者的氨基酸序列的LPS结合结构域。 优选地,RENP共价结合到增强多肽半衰期的分子。 本发明的RENP可用于治疗和预防方案的药物组合物,以及各种体外和体内诊断方法。