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    • 4. 发明授权
    • Mammalian cultured inner cell mass cell culture using a g1 cell as nuclear donor
    • 使用g1细胞作为核供体的哺乳动物培养的内细胞大量细胞培养
    • US07524677B2
    • 2009-04-28
    • US11265114
    • 2005-11-03
    • Keith Henry Stockman CampbellIan Wilmut
    • Keith Henry Stockman CampbellIan Wilmut
    • C12N15/00
    • C12N15/8773A61K35/54C12N15/873C12N15/8771
    • A method of reconstituting an animal embryo involves transferring a diploid nucleus into an oocyte which is arrested in the metaphase of the second meiotic division. The oocyte is not activated at the time of transfer, so that the donor nucleus is kept exposed to the recipient cytoplasm for a period of time. The diploid nucleus can be donated by a cell in either the G0 or G1 phase of the cell cycle at the time of transfer. Subsequently, the reconstituted embryo is activated. Correct ploidy is maintained during activation, for example, by incubating the reconstituted embryo in the presence of a microtubule inhibitor such as nocodazole. The reconstituted embryo may then give rise to one or more live animal births. The invention is useful in the production of transgenic animals as well as non-transgenics of high genetic merit.
    • 一种重建动物胚胎的方法涉及将二倍体核转移到在第二次减数分裂期的中期被逮捕的卵母细胞。 卵母细胞在转移时不被激活,使得供者核细胞保持暴露于受体细胞质一段时间。 二倍体核可以在转移时由细胞G0或G1期的细胞捐献。 随后,重建的胚胎被激活。 在活化期间维持正确的倍性,例如通过在微管抑制剂例如诺考达唑的存在下孵育重构的胚胎。 然后,重建的胚胎可能会产生一种或多种活的动物分娩。 本发明可用于生产转基因动物以及具有高遗传优点的非转基因植物。
    • 8. 发明申请
    • Unactivated oocytes as cytoplast recipients for nuclear transfer
    • 未激活的卵母细胞作为核转移的细胞质受体
    • US20050172347A1
    • 2005-08-04
    • US11068903
    • 2005-03-02
    • Keith CampbellIan Wilmut
    • Keith CampbellIan Wilmut
    • A01K67/02A61K35/54C12N5/10C12N15/02C12N15/873C12N15/877A01K67/027
    • C12N15/8773A61K35/54C12N15/873C12N15/8771
    • A method of reconstituting an animal embryo involves transferring a diploid nucleus into an oocyte which is arrested in the metaphase of the second meiotic division. The oocyte is not activated at the time of transfer, so that the donor nucleus is kept exposed to the recipient cytoplasm for a period of time. The diploid nucleus can be donated by a cell in either the G0 or G1 phase of the cell cycle at the time of transfer. Subsequently, the reconstituted embryo is activated. Correct ploidy is maintained during activation, for example, by incubating the reconstituted embryo in the presence of a microtubule inhibitor such as nocodazole. The reconstituted embryo may then give rise to one or more live animal births. The invention is useful in the production of transgenic animals as well as non-transgenics of high genetic merit.
    • 重建动物胚胎的方法涉及将二倍体核转移到在第二次减数分裂期的中期被逮捕的卵母细胞。 卵母细胞在转移时不被激活,使得供者核细胞保持暴露于受体细胞质一段时间。 二倍体核可以在转移时由细胞G0或G1期的细胞捐献。 随后,重建的胚胎被激活。 在活化期间维持正确的倍性,例如通过在微管抑制剂例如诺考达唑的存在下孵育重构的胚胎。 然后,重建的胚胎可能会产生一种或多种活的动物分娩。 本发明可用于生产转基因动物以及具有高遗传优点的非转基因植物。