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    • 6. 发明申请
    • BLOOD COAGULATION FVIII ANALOGUES
    • 血液凝血FVIII类似物
    • WO2006103298A2
    • 2006-10-05
    • PCT/EP2006/061275
    • 2006-04-03
    • NOVO NORDISK A/SØSTERGAARD, HenrikBOLT, GertDOCK STEENSTRUP, Thomas
    • ØSTERGAARD, HenrikBOLT, GertDOCK STEENSTRUP, Thomas
    • C07K14/755
    • C07K14/755A61K38/00
    • The invention is related to a FVIII analogue which has a circulation time in the blood stream before activation of at least about two times of that of native FVIII and a week after injection to a patient retains at least about 5% of the FVIII activity compared to the initial activity peak value reached after injection. The claimed FVIII analogues comprise a targeted disruption of one or more of the clearance sites in the FVIII molecule by introduction of at least one N-glycosylation site or by introduction of at least one Cys residue within or spatially close to the clearance site in the A2 domain or a combination thereof. The inserted cysteine residues may be further modified by conjugation with a chemical group increasing the molecular weight of the FVIII analogue.
    • 本发明涉及FVIII类似物,FVIII类似物在活化至少约二分之一的天然FVIII之前在血流中具有循环时间,并且在注射至患者后一周内保留FVIII活性的至少约5% 注射后达到初始活动峰值。 要求保护的FVIII类似物包括通过引入至少一个N-糖基化位点或通过引入至少一个Cys残基在或在空间上靠近A2中的清除位点来定位破坏FVIII分子中的一个或多个清除位点 域或其组合。 插入的半胱氨酸残基可以通过与增加FVIII类似物的分子量的化学基团缀合来进一步修饰。