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    • 8. 发明申请
    • Chimeric Non-Human Animal and Use Thereof
    • 嵌合非人类动物及其用途
    • US20090151011A1
    • 2009-06-11
    • US11795693
    • 2006-01-23
    • Makoto KakitaniKazuma Tomizuka
    • Makoto KakitaniKazuma Tomizuka
    • A01K67/027C12N15/02C12P21/00C12N5/06
    • C12P21/02A01K67/0271A01K2217/05A01K2267/03C07K14/515C07K2319/02C12N15/8509C12N2517/02C12N2800/30C12N2830/008
    • This invention provides: a pluripotent cell derived from a non-human animal comprising foreign DNA that encodes a desired protein in such a manner that the expression of the desired protein is regulated by the control region of a gene expressed in certain cells and/or tissue, wherein the foreign DNA is bound to a nucleic acid fragment comprising a promoter/the whole or part of 5′ non-translational region/a leader sequence coding region derived from a gene expressed in certain cells and/or tissue, and wherein in said cell one or more drug resistant marker genes used for introducing the foreign DNA into the genome have been removed; a chimeric non-human animal that is prepared from the pluripotent cell and highly expresses the desired protein, or a progeny thereof; a method for producing a desired protein using the chimeric animal; and a method for analyzing in vivo function of a desired gene using the chimeric animal.
    • 本发明提供:源自非人动物的多潜能细胞,其包含编码所需蛋白质的外源DNA,使得所需蛋白质的表达受到在某些细胞和/或组织中表达的基因的对照区域的调节 其中所述外来DNA与包含启动子/全部或部分5'非翻译区的核酸片段/衍生自在某些细胞和/或组织中表达的基因的前导序列编码区结合,并且其中在所述 已经去除了用于将外源DNA引入基因组的细胞一个或多个耐药性标记基因; 由多能细胞制备并高度表达所需蛋白质或其后代的嵌合非人动物; 使用该嵌合动物产生所需蛋白质的方法; 以及使用嵌合动物分析所需基因的体内功能的方法。
    • 9. 发明申请
    • Pluripotent cells with improved efficiency of homologous recombination and use of the same
    • 具有改善同源重组效率并使用其的多能细胞
    • US20060123490A1
    • 2006-06-08
    • US11212101
    • 2005-08-26
    • Makoto KakitaniKazuma Tomizuka
    • Makoto KakitaniKazuma Tomizuka
    • A01K67/00C12N5/06
    • A01K67/0271A01K67/0275A01K2217/05A01K2227/105A01K2267/01C12N2830/30
    • The present invention provides a method of enhancing an efficiency of homologous recombination when a gene encoding a desired protein known or unknown in terms of function is introduced into a genome of a pluripotent cell such as ES cell. More particularly, the present invention relates to: a non-human animal-derived pluripotent cell comprising a foreign enhancer at a site downstream of an immunoglobulin gene on chromosome; a non-human animal pluripotent cell comprising a gene, which encodes a desired protein at a site downstream of the immunoglobulin gene and upstream of the foreign enhancer on the chromosome, said gene being in an overexpressible state; a method of establishing said pluripotent cell; and a chimeric non-human animal and its progeny produced by use of the pluripotent cells and a method of producing the same. The present invention further relates to a method of analyzing the function of a desired protein or a gene encoding the protein by comparing a phenotype of the chimeric non-human animal or its progeny with that of a control animal, and/or to a method of producing a useful protein by use of the chimeric non-human animal or its progeny.
    • 本发明提供了当将编码功能方面已知或未知的所需蛋白质的基因导入多能细胞如ES细胞的基因组时,提高同源重组效率的方法。 更具体地说,本发明涉及:在人染色体上的免疫球蛋白基因下游的位置上含有外源增强子的非人动物来源的多能细胞; 一种非人动物多能细胞,其包含编码所述免疫球蛋白基因下游位点和染色体上外源增强子上游位点的所需蛋白质的基因,所述基因处于过表达状态; 建立所述多能细胞的方法; 和嵌合非人动物及其通过使用多能细胞产生的后代及其制备方法。 本发明还涉及通过将嵌合非人动物或其后代的表型与对照动物的表型进行比较来分析所需蛋白质或编码该蛋白质的基因的功能的方法,和/或 通过使用嵌合非人动物或其后代产生有用的蛋白质。