ALPHAVIRUS PARTICLES AND METHODS FOR PREPARATION
    3.
    发明公开
    ALPHAVIRUS PARTICLES AND METHODS FOR PREPARATION 审中-公开
    ALPHAVIRUS颗粒和制备方法

    公开(公告)号:EP3246399A1

    公开(公告)日:2017-11-22

    申请号:EP17163152.6

    申请日:2003-12-12

    申请人: Alphavax, Inc.

    IPC分类号: C12N7/02 C12N15/86

    摘要: Provided herein are methods for producing alphavirus replicon particles in high yield; replicon RNAs are electroporated into permissive cells, where the cells are at a relatively high density, together with at least one helper nucleic acid providing the necessary functions for packaging. After a growth period in appropriate medium, alphavirus replicon particles are harvested from the surfaces of the cells in which they were produced using a salt wash in which the salt concentration is from about 0.2 to about 5 M sodium chloride, calcium chloride, magnesium chloride, potassium chloride, ammonium acetate, ammonium bicarbonate, among others. After dilution, if necessary, the particles can be purified by a suitable chromatographic technique.

    摘要翻译: 本文提供了高产量生产α病毒复制子颗粒的方法; 将复制子RNA电穿孔入允许细胞中,其中细胞处于相对高的密度,连同至少一种提供包装必需功能的辅助核酸一起。 在合适的培养基中生长一段时间后,从产生它们的细胞表面收获α病毒复制子颗粒,使用盐洗涤,其中盐浓度为约0.2至约5M氯化钠,氯化钙,氯化镁, 氯化钾,乙酸铵,碳酸氢铵等。 稀释后,如果需要,可以通过合适的色谱技术来纯化颗粒。