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    • 2. 发明授权
    • Microfabrication of a nuclear transfer array for high-throughput animal cloning
    • 用于高通量动物克隆的核转移阵列的微加工
    • US06383813B1
    • 2002-05-07
    • US09662342
    • 2000-09-14
    • Gregory T. BaxterRichard C. Kuo
    • Gregory T. BaxterRichard C. Kuo
    • C12N1563
    • C12M35/00
    • A micro-machined nuclear transfer array (NTA) provides high-throughput transfer of nuclei between two cells. Donor cells containing the nuclei to be transferred are placed in microwells positioned adjacent to microwells containing the recipient biological cell. The microwells are contained within an upper chamber patterned with parallel rows of microwells of the diameter of the cell of interest. An injection port is formed in the bottom of the microwells through which nuclei may pass during transfer. The NTA also contains a lower chamber having a second array of capture wells of similar dimension and in register with the upper chamber for receiving the nuclei removed from the cell in the upper chamber. Nuclei are removed from the donor cells in the upper chamber, transferred to capture wells in the lower chamber, and inserted into the recipient biological cells of the upper chamber. The upper tray moves relative to the lower chamber so that the nuclei in the capture well are transferred to the recipient biological cell to complete the nuclear transfer process.
    • 微加工核转移阵列(NTA)提供了两个细胞之间的高通量核转移。 将含有待转移核的供体细胞置于邻近含有受体生物细胞的微孔的微孔中。 微孔被包含在图案化的具有感兴趣的细胞直径的平行微孔的上室中。 注入口形成在微孔的底部,核在转移过程中通过该端口。 NTA还包含具有类似尺寸的捕获阱的第二阵列的下室,并且与上室对准,用于接收从上腔室中的细胞移除的核。 将核从上室中的供体细胞中移出,转移到下腔室中的捕获孔中,并插入上腔室的受体生物细胞。 上托盘相对于下室移动,使得捕获阱中的核转移到受体生物细胞以完成核转移过程。