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    • 1. 发明申请
    • GROWTH OF WILD-TYPE HEPATITIS A VIRUS IN CELL CULTURE
    • 野生型HEPATITIS病毒在细胞培养中的生长
    • WO2007117258A9
    • 2008-04-17
    • PCT/US2006024748
    • 2006-06-26
    • US GOV HEALTH & HUMAN SERVKAPLAN GERARDOKONDURU KRISHNAMURTHY
    • KAPLAN GERARDOKONDURU KRISHNAMURTHY
    • C12N15/86C12N5/00
    • C12N15/86C12N7/00C12N2770/32443C12N2770/32461
    • The invention provides recombinant Hepatitis A Virus (HAV) nucleic acids and host cells that are permissive for their growth and replication. The recombinant Hepatitis A Virus nucleic acids not particularly limited, except that they incorporate at least one heterologous nucleic acid fragment. The heterologous nucleic acid can encode a selectable marker gene and such recombinant HAV nucleic acids are useful for selecting cells that are permissive for growth and replication of wild type HAV. Alternatively, the heterologous nucleic acid may encode a vaccine antigen or other expression product that is desirable to express in a cell harboring the recombinant HAV nucleic acid. The invention further provides cell lines permissive for growth and replication of wild type HAV or HAV having minimal mutations for growth in cell culture. The invention further provides methods for producing HAV vaccines and for monitoring environmental and patient samples for the presence of HAV.
    • 本发明提供重组甲型肝炎病毒(HAV)核酸和允许其生长和复制的宿主细胞。 重组甲型肝炎病毒核酸没有特别限制,除了它们掺入至少一种异源核酸片段。 异源核酸可以编码选择性标记基因,并且这种重组HAV核酸可用于选择允许野生型HAV生长和复制的细胞。 或者,异源核酸可以编码在含有重组HAV核酸的细胞中希望表达的疫苗抗原或其它表达产物。 本发明进一步提供允许生长和复制野生型HAV或HAV的细胞系,所述野生型HAV或HAV在细胞培养物中生长具有最小的突变。 本发明还提供了用于生产HAV疫苗和用于监测HAV存在的环境和患者样品的方法。
    • 4. 发明申请
    • STRUCTURE OF TIM FAMILY MEMBERS
    • TIM家族成员的结构
    • WO2009064290A1
    • 2009-05-22
    • PCT/US2007/084601
    • 2007-11-13
    • GOVERNMENT OF THE UNITED STATES as represented by THE SECRETARY OF THE DEPARTMENT OF HEALTH AND HUMAN SERVICESKAPLAN, GerardoSANTIAGO, CesarCASASNOVAS, Jose M.
    • KAPLAN, GerardoSANTIAGO, CesarCASASNOVAS, Jose M.
    • G06F19/00G01N33/68
    • G01N33/566C07K14/70503C07K2299/00G01N2333/10G01N2500/02
    • The present invention provides crystal structures of the N-terminal Cys-rich Ig-like ligand-binding domain of the murine Tim-1, Tim-2, and Tim-4 receptors and models for the murine Tim-3 receptor and the human HAVCR1/TIM1, TM3, and TIM4 receptors based on the said crystal structures, and so provide materials and methods for identifying mimetics of the natural ligands for these receptors and also antagonists of those ligands. The structures also reveal a homophilic interaction for each receptor, which is confirmed biochemically. This invention provides materials and methods to target specific mutations on the TIM family receptors based on their crystal structure to modulate (enhance, reduce, or inhibit) homophilic and/or heterophilic interactions as well as binding to natural ligands. The resulting TIM receptor mutants could be used as therapeutic agents. Thus, the invention also provides materials and methods for identifying agonists and antagonists of TIM family members homophilic and heterophilic interactions. HAVCR1/TIM1 is the receptor for Hepatitis A Virus, and thus the invention also provides materials and methods for identifying inhibitors of HAV infection.
    • 本发明提供了鼠Tim-1,Tim-2和Tim-4受体的N末端富含Cys的Ig样配体结合结构域和用于鼠Tim-3受体和人HAVCR1的模型的晶体结构 / TIM1,TM3和基于所述晶体结构的TIM4受体,因此提供用于鉴定这些受体的天然配体的模拟物以及这些配体的拮抗剂的材料和方法。 该结构还揭示了每种受体的亲和相互作用,这是通过生物化学证实的。 本发明提供了基于它们的晶体结构来靶向TIM族受体的特异性突变以调节(增强,减少或抑制)亲和和/或异亲相互作用以及与天然配体结合的材料和方法。 所得的TIM受体突变体可用作治疗剂。 因此,本发明还提供用于鉴定TIM家族成员亲和和亲和相互作用的激动剂和拮抗剂的材料和方法。 HAVCR1 / TIM1是甲型肝炎病毒的受体,因此本发明还提供用于鉴定HAV感染抑制剂的材料和方法。
    • 10. 发明申请
    • GROWTH OF WILD-TYPE HEPATITIS A VIRUS IN CELL CULTURE
    • 野生型甲型肝炎病毒在细胞培养中的生长
    • WO2007117258A3
    • 2008-06-12
    • PCT/US2006024748
    • 2006-06-26
    • US GOV HEALTH & HUMAN SERVKAPLAN GERARDOKONDURU KRISHNAMURTHY
    • KAPLAN GERARDOKONDURU KRISHNAMURTHY
    • C12N15/86C12N5/00
    • C12N15/86C12N7/00C12N2770/32443C12N2770/32461
    • The invention provides recombinant Hepatitis A Virus (HAV) nucleic acids and host cells that are permissive for their growth and replication. The recombinant Hepatitis A Virus nucleic acids not particularly limited, except that they incorporate at least one heterologous nucleic acid fragment. The heterologous nucleic acid can encode a selectable marker gene and such recombinant HAV nucleic acids are useful for selecting cells that are permissive for growth and replication of wild type HAV. Alternatively, the heterologous nucleic acid may encode a vaccine antigen or other expression product that is desirable to express in a cell harboring the recombinant HAV nucleic acid. The invention further provides cell lines permissive for growth and replication of wild type HAV or HAV having minimal mutations for growth in cell culture. The invention further provides methods for producing HAV vaccines and for monitoring environmental and patient samples for the presence of HAV.
    • 本发明提供了允许其生长和复制的重组甲型肝炎病毒(HAV)核酸和宿主细胞。 重组甲型肝炎病毒核酸没有特别限制,除了它们掺入至少一个异源核酸片段。 异源核酸可以编码选择标记基因,并且这种重组HAV核酸可用于选择允许野生型HAV生长和复制的细胞。 或者,异源核酸可以编码希望在携带重组HAV核酸的细胞中表达的疫苗抗原或其他表达产物。 本发明进一步提供了允许野生型HAV或HAV生长和复制的细胞系,所述野生型HAV或HAV具有细胞培养物生长的最小突变。 本发明进一步提供了产生HAV疫苗和监测环境和患者样品中HAV存在的方法。