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    • 40. 发明公开
    • Process for purifying recombinant human beta-interferon
    • Verfahren zur Herstellung von rekombinantem Humaninterferon-beta in reiner Form。
    • EP0446850A2
    • 1991-09-18
    • EP91103719.0
    • 1991-03-12
    • SCLAVO S.p.A.
    • Protasi, OtelloRappuoli, Paolo
    • C07K1/00A61K38/21
    • C07K14/565
    • A process for the chromatographic purification of recombinant human β-interferon wherein:

      a) an aqueous solution of recombinant human β-interferon in unrefined state is contacted with a siliceous solid matrix equilibrated with deionized water and then eluted with appropriated eluant;
      b) the eluted fractions containing the recombinant human β-interferon purified according to the stage a) are loaded on a cation exchange resin; thereafter the rhu-β-interferon adsorbed upon said matrix is eluted with an appropriated eluant.

      The recombinant human β-interferon purified in this way is specifically useful as active agent in the production of pharmaceutic preparations suitable for the treatment of viral infections, tumors and as immunomodulators.
    • 重组人β-干扰素的色谱纯化方法,其中:a)重组人β-干扰素在未精制状态的水溶液与用去离子水平衡的硅质固体基质接触,然后用适当的洗脱剂洗脱; b)将含有根据阶段a)纯化的重组人β-干扰素的洗脱级分负载在阳离子交换树脂上; 此后吸附在所述基质上的rhu-β-干扰素用适当的洗脱液洗脱。 以这种方式纯化的重组人β-干扰素在生产适用于治疗病毒感染,肿瘤和免疫调节剂的药物制剂中特别有用。