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    • 13. 发明专利
    • Production of novel lymphokine ii
    • 生产新型LYMPHOKINE II
    • JPS61115026A
    • 1986-06-02
    • JP2839685
    • 1985-02-18
    • Hayashibara Biochem Lab Inc
    • MIHASHI MASAKAZUKURIMOTO MASASHI
    • C07K14/195A61K35/12A61K38/00A61K38/16A61P35/00C07K14/005C07K14/52C07K14/525C07K14/555C12P21/00C12R1/91
    • NEW MATERIAL:A lymphokine II (molecular weight, 20,000±2,000; isoelectric point, pI=6.2±0.3; mobility, Rf=0.29±0.02 by Disc-PAGE; solubility, soluble in water, saline water and phosphate buffer solution, hardly soluble or insoluble in ethyl ether, etc.; color reactions, positive to protein by Lawry reaction and micro-biuret reaction, positive to glucide by phenol sulfuric acid method; stability, stable at 60°C for 30min at 7.2pH, stable at 4.0W11.0pH at 4°C for 16hr, and stable for ≥1 month in frozen state at -10°C).
      USE: Agent for suppressing the proliferation of various malignant tumor cells.
      PREPARATION: The novel lymphokine II is produced by the cell prepared by transplanting a human-originated cell capable of producing the novel lymphokine II (e.g. leukocyte, lymphocyte, etc.) to a warm-blooded animal other than human, or by the cell proliferated under the supply of the body fluid of said warm- blooded animal. The lymphokine is essentially harmless to the normal human cell.
      COPYRIGHT: (C)1986,JPO&Japio
    • 新材料:淋巴细胞毒素II(分子量,20,000+或-2,000;等电点,pI = 6.2±或-0.3;迁移率,Rf = 0.29±或-0.02通过Disc-PAGE;溶解度,可溶于水,盐水和 磷酸盐缓冲溶液,难溶于乙醚等不溶物;通过Lawry反应和微缩二脲反应对蛋白质呈阳性反应,通过苯酚硫酸法对葡萄糖呈阳性;稳定性在60℃稳定30分钟 7.2pH,在4℃下4.0-11.0pH稳定16小时,在-10℃下在冷冻状态下稳定> = 1个月)。 用途:抑制各种恶性肿瘤细胞增殖的药剂。 制备:新型淋巴因子II由通过将能够产生新淋巴因子II(例如白细胞,淋巴细胞等)的人源性细胞移植到除人之外的温血动物或通过细胞增殖而制备的细胞 在所述温血动物的体液供应下。 淋巴因子基本上对正常人细胞无害。