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    • 6. 发明授权
    • Modified coagulation factors with prolonged in vivo half-life
    • 改性凝血因子具有延长的体内半衰期
    • US08754194B2
    • 2014-06-17
    • US12520840
    • 2007-12-21
    • Stefan SchulteThomas WeimerHubert Metzner
    • Stefan SchulteThomas WeimerHubert Metzner
    • A61K38/37C07K1/00
    • C07K14/755C07K14/745C07K14/765C07K16/18C07K2319/31
    • The present invention relates to nucleic acid sequences coding for modified coagulation factors, preferably coagulation factor VIII, and their derivatives; recombinant expression vectors containing such nucleic acid sequences; host cells transformed with such recombinant expression vectors; and recombinant polypeptides and derivatives coded for by said nucleic acid sequences, whereby said recombinant polypeptides and derivatives have biological activities and prolonged in vivo half-lives compared to the unmodified wild-type proteins. The invention also relates to corresponding sequences that result in improved in vitro stability. The present invention further relates to processes for the manufacture of such recombinant proteins and their derivatives. The invention also relates to a transfer vector for use in human gene therapy, which comprises such nucleic acid sequences.
    • 本发明涉及编码改性凝血因子,优选凝血因子VIII及其衍生物的核酸序列; 含有该核酸序列的重组表达载体; 用这些重组表达载体转化的宿主细胞; 和由所述核酸序列编码的重组多肽和衍生物,其中与未修饰的野生型蛋白相比,所述重组多肽和衍生物具有生物活性和延长的体内半衰期。 本发明还涉及导致体外稳定性改善的相应序列。 本发明还涉及制备这些重组蛋白及其衍生物的方法。 本发明还涉及用于人基因治疗的转移载体,其包含这样的核酸序列。