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    • 2. 发明申请
    • Production of chimeric bovine or porcine animals using cultured inner cell mass
    • 使用培养的内细胞块生产嵌合牛或猪动物
    • US20060021070A1
    • 2006-01-26
    • US11024010
    • 2004-12-28
    • Steven SticeJose CibelliJames RoblPaul GoluekeF. LeonD. Jerry
    • Steven SticeJose CibelliJames RoblPaul GoluekeF. LeonD. Jerry
    • A01K67/027
    • C12N15/8771A01K2217/05C12N15/8778
    • Novel cultured inner cell mass (CICM) cells, and cell lines, derived from ungulates, in particular, pigs and cows, and methods for their preparation are provided. The subject CICMs possess similar morphology and express cell markers identically or substantially similarly to ICMs of undifferentiated developing embryos for prolonged culturing periods. Heterologous DNA is inserted into the subject CICM cells and cell lines so as produce transgenic CICM cell which are introduced into non-human fertilized embryos to produce transgenic chimeric embryos. The transgenic chimeric embryos are transferred into recipient females where they are permitted to develop into transgenic chimeric fetuses. Recipient females give birth to transgenic chimeric animals which are capable of transmitting the heterologous DNA to their progeny. Transgenic CICM cells are also used to produce cloned transgenic embryos, fetuses and offspring.
    • 提供了新颖的培养的内细胞团(CICM)细胞和源自有蹄类动物,特别是猪和牛的细胞系及其制备方法。 受试者CICM具有与未分化发育的胚胎的ICM相似或基本上类似于延长培养期的相似形态和表达细胞标记。 将异源DNA插入受试者CICM细胞和细胞系中,以产生转入非人受精胚胎以产生转基因嵌合胚胎的转基因CICM细胞。 将转基因嵌合胚胎转移到受体雌性中,在其中允许其转化为转基因嵌合胎儿。 受体女性产生能够将异源DNA转移到其后代的转基因嵌合动物。 转基因CICM细胞也用于产生克隆的转基因胚胎,胎儿和后代。