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    • 4. 发明申请
    • O-GLYCOSYLATED AUTHENTIC IGF-I AND TRUNCATED VARIANTS THEREOF, A METHOD OF PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS
    • O-糖苷化的认知IGF-I和其截短的变体,其制备方法和药物组合物
    • WO1996001275A1
    • 1996-01-18
    • PCT/SE1995000774
    • 1995-06-22
    • PHARMACIA ABERIKSSON, RolfJOHANSSON, StigRÖNNHOLM, HarrietSKOTTNER, AnnaSONESSON, Karin
    • PHARMACIA AB
    • C07K14/65
    • C07K14/65A61K38/00
    • The invention relates to O-glycosylated authentic IGF-I, having three or more mannose residues to the Ser69 amino acid of the IGF-polypeptide chain or being truncated and having two mannose residues to the Thr29 amino acid of the truncated IGF-polypeptide chain. The O-glycosylated IGF-I according to the invention have substantially no insulin receptor affinity, which makes them valuable for use in therapeutic treatment. The invention also relates to a method of obtaining IGF-I as defined above by expressing IGF-I in yeast cells and isolating the claimed O-glycosylated IGF-I from the medium and to pharmaceutical composition containing these IGF-I together with a pharmaceutically acceptable carrier, diluent or excipient. It also relates to the use of the O-glycosylated IGF-I in the preparation of a medicament for the treatment of e.g. growth deficiency and insulin resistant states.
    • 本发明涉及对于IGF-多肽链的Ser69氨基酸具有三个或更多个甘露糖残基的O-糖基化的正义IGF-I,或被截短且具有两个截短的IGF-多肽链的Thr29氨基酸的甘露糖残基。 根据本发明的O-糖基化IGF-I基本上没有胰岛素受体亲和力,这使得它们对于用于治疗性治疗是有价值的。 本发明还涉及通过在酵母细胞中表达IGF-I并从培养基中分离要求保护的O-糖基化IGF-1以及含有这些IGF-I的药物组合物与药学上可接受的方法,获得如上定义的IGF-1的方法 载体,稀释剂或赋形剂。 它还涉及O-糖基化IGF-I在制备用于治疗例如儿童的药物中的用途。 生长缺乏和胰岛素抵抗状态。