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    • 2. 发明申请
    • ENHANCED PRODUCTION OF PAPILLOMAVIRUS-LIKE PARTICLES WITH A MODIFIED BACULOVIRUS EXPRESSION SYSTEM
    • 用改良的巴氏杆菌表达系统增强具有类似芽胞杆菌的颗粒的生产
    • US20120115207A1
    • 2012-05-10
    • US13257248
    • 2010-03-30
    • Tilo SengerMartin MullerLutz Gissmann
    • Tilo SengerMartin MullerLutz Gissmann
    • C12N7/02C12N15/85C12N5/10
    • C12N15/86A61K39/00A61K2039/5258C12N7/00C12N2710/14143C12N2710/20023
    • The present invention is concerned with the provision of a method for manufacturing papillomavirus like particles (PV-VLP), comprising the steps of a) culturing a host cell lacking protease activity and comprising an expression vector, wherein said expression vector comprises at least one polynucleotide encoding a PV L1 polypeptide, and b) obtaining VLPs from the host cell. Also proposed is a host cell lacking protease activity and comprising an expression vector, wherein said expression vector comprises a polynucleotide encoding at least one PV L1 polypeptide. Furthermore, a method for the manufacture of a pharmaceutical composition for the treatment or prevention of PV-related disease comprising the steps of manufacturing PV-VLPs and the further step of formulating the VLPs as a pharmaceutical composition is proposed as well as an expression vector comprising at least one polynucleotide encoding a PV L1 polypeptide but lacking a functional gene for a v-cath protease.
    • 本发明涉及制备乳头瘤病毒样颗粒(PV-VLP)的方法,其包括以下步骤:a)培养缺乏蛋白酶活性的宿主细胞并包含表达载体,其中所述表达载体包含至少一种多核苷酸 编码PV L1多肽,和b)从宿主细胞获得VLP。 还提出了缺乏蛋白酶活性并包含表达载体的宿主细胞,其中所述表达载体包含编码至少一种PV L1多肽的多核苷酸。 此外,提出了制备用于治疗或预防PV相关疾病的药物组合物的方法,其包括制备PV-VLP的步骤和配制作为药物组合物的VLP的进一步步骤以及包含 编码PV L1多肽的至少一种多核苷酸,但缺乏v-cath蛋白酶的功能基因。