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    • 11. 发明申请
    • Transgenic Rodents Selectively Expressing Human B1 Bradykinin Receptor Protein
    • 转基因啮齿动物选择性表达人B1缓激肽受体蛋白
    • US20090007283A1
    • 2009-01-01
    • US10573926
    • 2004-10-04
    • John W. HessRobert J. GouldDouglas J. PettiboneThomas F. VogtRichard Z. Chen
    • John W. HessRobert J. GouldDouglas J. PettiboneThomas F. VogtRichard Z. Chen
    • A01K67/027
    • A01K67/0275A01K2207/15A01K2217/00A01K2217/072A01K2227/105A01K2267/03C07K14/705C12N15/8509
    • Non-human transgenic animals, such as transgenic mice, are generated which incorporate the a non-native form of the bradykinin B1 receptor gene against a null phenotype for the native form of the bradykinin B1 receptor. An exemplified portion of the invention disclosed a transgenic mouse wherein a targeting construct containing a transgene encoding the human B1 bradykinin receptor gene is inserted downstream of and operatively linked to the native mice bradykinin B1 promoter. This targeting construct also contains a fluxed neomycin resistance gene. The resulting transgenic animals are “humanized” for the bradykinin B1 receptor and are effectively on a null background for native, functional B1 receptor activity. These animals may be crossed with a Cre-deleter strain to generate transgenic offspring which absent of the floxed marker gene. The transgenic animals described herein provide for a model to The transgenic mice of the present invention provide for an animal model enabling the analysis of compounds that are selective for the human B1 bradykinin receptor, relative to the rodent (e.g., rat or mouse) B1 bradykinin receptor.
    • 产生非人转基因动物,例如转基因小鼠,其掺入缓激肽B1受体基因的非天然形式针对天然形式的缓激肽B1受体的无效表型。 本发明的示例性部分公开了一种转基因小鼠,其中含有编码人B1缓激肽受体基因的转基因的靶向构建体插入天然小鼠缓激肽B1启动子的下游并与之有效连接。 该靶向构建体还含有一种助溶的新霉素抗性基因。 所得到的转基因动物对于缓激肽B1受体是“人源化的”,并且对于天然的功能性B1受体活性而言,其无效背景是有效的。 这些动物可以与Cre-去除菌株杂交以产生不含斑点标记基因的转基因后代。 本文所述的转基因动物提供了本发明的转基因小鼠相对于啮齿动物(例如大鼠或小鼠)B1缓激肽提供能够分析对人B1缓激肽受体有选择性的化合物的动物模型的模型 受体。