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    • 24. 发明申请
    • METHOD FOR INCREASING RETROVIRAL INFECTIVITY
    • 增加退行性感染的方法
    • US20120028358A1
    • 2012-02-02
    • US13170836
    • 2011-06-28
    • Victor SolodushkoBrian Fouty
    • Victor SolodushkoBrian Fouty
    • C12N15/867C12N5/071
    • C12N15/86C12N2740/10043C12N2740/10051C12N2740/13043C12N2740/13051
    • The present invention is directed to methods for enhanced retroviral delivery of a nucleic acid to a target cell in vitro, ex vivo or in vivo, which involves increasing infectivity of a retrovirus carrying a transgene of interest to a target cell. In one particular aspect the invention relates to a method for increasing retroviral infectivity of target cells comprising culturing packaging cells transfected with retroviral vector containing a transgene of interest in medium containing a glucocorticoid receptor agonist or analog or derivative thereof present in the medium in an amount effective to increase titer of propagated retrovirus; and subsequently culturing a target cell in medium comprising the propagated retrovirus from a) and a glucocorticoid receptor antagonist or analog or derivative thereof present in the medium in an amount effective to increase target cell sensitivity to infection by the propagated retrovirus.
    • 本发明涉及用于在体外,体外或体内增强核酸向靶细胞的逆转录病毒递送的方法,其涉及将携带感兴趣的转基因的逆转录病毒的感染性增加至靶细胞。 在一个特定方面,本发明涉及一种用于增加靶细胞的逆转录病毒感染性的方法,所述方法包括用存在于培养基中的培养含有目的转基因的逆转录病毒载体转染培养包含细胞的培养基,所述培养基含有存在于培养基中的糖皮质激素受体激动剂或其类似物或衍生物 增加传播逆转录病毒的滴度; 并且随后在来自a)的培养基中培养包含增殖的逆转录病毒的靶细胞,并且以有效增加靶细胞对传播的逆转录病毒感染的敏感性的量存在于培养基中的糖皮质激素受体拮抗剂或其类似物或衍生物。
    • 30. 发明申请
    • Methods for removal, purification, and concentration of viruses, and methods of therapy based thereupon
    • 病毒的去除,纯化和浓缩方法及其治疗方法
    • US20010034055A1
    • 2001-10-25
    • US09728882
    • 2000-12-01
    • William LeeJeffrey R. MorganMartin L. Yarmush
    • A61K039/00C12N007/02C12M001/00B01D035/16
    • C12N7/00A61L2/0017A61L2/0082C12N2740/10051
    • The invention is based on the discovery that certain membranes, which include side chains or molecular nullbrushesnull having, for example, tertiary amino functional groups, can be used as highly effective filters to capture viruses/virus particles from liquids without removal of proteins. New methods based on this discovery include removing viruses from liquids such as blood or plasma, removing viruses from pharmaceuticals, concentrating and/or purifying viruses, e.g., for use in gene therapy, and producing recombinant viruses in new bioreactors. The invention also includes new methods of therapy or adjunct therapy for viral infections, in which a patient's blood or plasma is filtered through the membranes to remove viruses to reduce the viral load. The invention also includes new bioreactors and viral filters containing the membranes.
    • 本发明基于以下发现:包括侧链的某些膜或具有例如叔氨基官能团的分子“刷”可用作高效过滤器,以从液体中捕获病毒/病毒颗粒而不除去蛋白质。 基于该发现的新方法包括从诸如血液或血浆的液体中除去病毒,从药物中除去病毒,浓缩和/或纯化病毒,例如用于基因治疗,以及在新的生物反应器中产生重组病毒。 本发明还包括用于病毒感染的新的治疗方法或辅助治疗方法,其中通过膜过滤患者的血液或血浆以除去病毒以减少病毒载量。 本发明还包括含有膜的新的生物反应器和病毒过滤器。