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    • 8. 发明授权
    • Thrombin generation inhibitors
    • 凝血酶生成抑制剂
    • US07074892B2
    • 2006-07-11
    • US10795795
    • 2004-03-08
    • Michael KalafatisKenneth G. Mann
    • Michael KalafatisKenneth G. Mann
    • A61K38/08A61K38/07A61K38/00A61K35/14
    • C07K14/745A61K38/00
    • Peptides derived from amino acids 307 to 356 of the human blood coagulation factor Va are provided. Such peptides comprise: i) a length of between 3 and 50 amino acids, ii) a minimum of 3 contiguous amino acids from the 307–356 heavy chain region of factor Va, excluding peptide segments comprising amino acids 311 to 325 and amino acids 321 to 335, iii) optional additional amino acids at one or both ends of the contiguous amino acids such that the entire peptide is at least 60% identical to a sequence within 307 to 356 of factor Va, and iv) have an IC50 of between 50 nM to 500 μM for inhibition of prothrombinase. The present invention also provides a pharmaceutical composition comprising one or more prothrombinase-inhibiting peptide segments. The present invention also provides administration of the pharmaceutical composition to human subjects for the purpose of preventing thrombotic disorders.
    • 提供了源自人凝血因子Va的氨基酸307至356的肽。 这样的肽包括:i)3至50个氨基酸的长度,ii)来自因子Va的307-356重链区域的最少3个连续氨基酸,不包括包含氨基酸311至325的氨基酸和氨基酸321 至335,iii)连续氨基酸的一端或两端的任选的另外的氨基酸,使得整个肽与因子Va的307至356之间的序列至少60%相同,和iv)具有IC < 50nM至50μM之间,用于抑制凝血酶原酶。 本发明还提供了包含一种或多种凝血酶原酶抑制肽片段的药物组合物。 为了防止血栓形成障碍,本发明还提供了将药物组合物给予受试者。