Process for recovering interferon
    4.
    发明授权
    Process for recovering interferon 失效
    干扰素回收方法

    公开(公告)号:US4526782A

    公开(公告)日:1985-07-02

    申请号:US432909

    申请日:1982-09-27

    CPC分类号: C07K14/56

    摘要: Interferon can be recovered simply by contacting an aqueous solution containing interferon which is induced and produced from cells of human origin capable of producing interferon, with a siliceous substance to adsorb interferon on it and eluting the adsorbed interferon with an aqueous solution containing a nonionic surfactant, preferably further containing an acriflavine such as acrinol.

    摘要翻译: PCT No.PCT / JP81 / 00030 Sec。 371日期1982年9月27日 102(e)日期1982年9月27日PCT提交1981年2月17日PCT公布。 出版物WO82 / 02834 日本1982年9月2日。通过将含有可产生干扰素的人源细胞诱导和产生的含有干扰素的水溶液与硅质物质接触,可以简单地回收地塞米松,以吸附干扰素并用吸附的干扰素 含有非离子表面活性剂的水溶液,优选还含有吖啶如Acrinol。

    Method of producing immunoglobulin preparations for intravenous injection
    6.
    发明授权
    Method of producing immunoglobulin preparations for intravenous injection 失效
    生产用于静脉注射的免疫抑制素制剂的方法

    公开(公告)号:US5132406A

    公开(公告)日:1992-07-21

    申请号:US348139

    申请日:1989-05-05

    摘要: A method of producing immunoglobulin preparations for intravenous injection which starts with an immunoblobulin-containing fraction and comprises the treatment steps of:(a) treating said fraction with 4-10 weight/volume percent of polyethylene glycol having a molecular weight of 1,000-10,000 under conditions of pH 4-6, ion strength 0.0001-0.1M and temperature 0.degree.-4.degree. C. and recovering the supernatant,(b) treating the supernatant obtained in step (a) with 10-15 weight/volume percent of polyethylene glycol having a molecular weight of 1,000-10,000 under conditions of pH 6-9, ion strength 0.0001-0.1M and temperature 0.degree.-4.degree. C. and recovering the resulting precipitate, and(c) heat-treating, in any desired step, said immunoglobulin in the presence of a stabilizer under conditions sufficient to inactivate contaminant viruses.The preparations obtained according to the invention retain immunoglobulins without substantial inactivation thereof, and are substantially free of such contaminants as anti-human blood group substance antibodies. With contaminant viruses inactivated as a result of the heat treatment, said preparations have good solubility and are sufficiently low in anticomplement activity.

    摘要翻译: 一种生产用于静脉注射的免疫球蛋白制剂的方法,其起始于含免疫球蛋白的级分,并且包括以下处理步骤:(a)用4-10重量/体积%的分子量为1,000-10,000的聚乙二醇处理所述级分, 条件pH 4-6,离子强度0.0001-0.1M,温度0℃-4℃,回收上清液,(b)用10-15重量/体积%聚乙二醇处理步骤(a)中得到的上清液 在pH 6-9,离子强度为0.0001-0.1M,温度为0〜-4℃的条件下分子量为1,000〜10,000,回收所得沉淀物,(c)在任何所需步骤中热处理, 所述免疫球蛋白在足以灭活污染性病毒的条件下在稳定剂存在下进行。 根据本发明获得的制剂保留免疫球蛋白而基本上不灭活,并且基本上不含抗人血型物质抗体等污染物。 随着由于热处理而灭活的污染物病毒,所述制剂具有良好的溶解性并且抗补体活性足够低。