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    • 4. 发明申请
    • METHODS AND COMPOSITIONS FOR THE PRODUCTION OF ADENOVIRAL VECTORS
    • 用于生产腺病毒载体的方法和组合物
    • WO2004104190A2
    • 2004-12-02
    • PCT/US2004/015009
    • 2004-05-14
    • INTROGEN THERAPEUTICS, INC.ZHANG, ShuyuanPHAM, Hai
    • ZHANG, ShuyuanPHAM, Hai
    • C12N7/02
    • C12N7/00C12N15/86C12N2710/10343C12N2710/10351
    • The present invention addresses the need to improve the yield of adenovirus when grown in cell culture systems. In particular, it has been demonstrated that for adenovirus, the use of infection temperatures lower than 37°C in a cell culture system results in improved yields of adenovirus. In addition, it has been demonstrated that when host cells are grow in a bioreactor, initiating adenovirus infection by diluting the host cells with fresh media and adenovirus results in improved yield of adenovirus. Methods of adenoviral production and purification using infection temperatures less than 37°C are disclosed. Methods of adenoviral production and purification wherein the host cells are grown in a bioreactor and adenovirus infection is initiated by diluting the host cells with fresh media and adenovirus are also disclosed.
    • 本发明解决了在细胞培养系统中生长时提高腺病毒产量的需要。 特别地,已经证明对于腺病毒,在细胞培养系统中使用低于37℃的感染温度导致腺病毒的产量提高。 此外,已经证明当宿主细胞在生物反应器中生长时,通过用新鲜培养基和腺病毒稀释宿主细胞来引发腺病毒感染导致腺病毒的产量提高。 公开了使用感染温度低于37℃的腺病毒产生和纯化方法。 还公开了通过用新鲜培养基和腺病毒稀释宿主细胞来引发宿主细胞在生物反应器中生长和腺病毒感染的腺病毒产生和纯化的方法。