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    • 76. 发明专利
    • Neocentromere-based mini-chromosomes or artificial chromosomes
    • NZ526484A
    • 2005-04-29
    • NZ52648401
    • 2001-12-20
    • MURDOCH CHILDRENS RES INST
    • CHOO KONG-HONG ANDYWONG LEE HWASAFFERY RICHARD ERIC
    • G01N33/53A61K31/7088A61K48/00C12N5/10C12N15/09C12N15/68C12N15/85C12Q1/68G01N33/566
    • Described is an isolated nucleic acid molecule encompassing a neocentromere or a functional derivative thereof or a latent, synthetic or hybrid form thereof and its use inter alia in developing a range of eukaryotic mini-chromosomes and artificial chromosomes including mammalian (non-human) and non-mammalian mini-chromosomes and artificial chromosomes. Further provided is a telomere-associated chromosome truncation (TACT) approach to develop mini-chromosomes, but is not limited to this approach. It is directed to any truncation approach that produces a neocentromere-containing mini-chromosome, or any transfection approach using cloned or pre-fabricated DNA that provides neocentromere function in the construction of artificial chromosome. Such mini-chromosomes and artificial chromosomes are useful in a range of genetic therapies. Figure 1B is a schematic formation of mardel(10) and NC-MiCs. Open arrows indicate the breakpoints on the normal chromosome 10 in the generation of mardel(10). The long and short arms of mardel(l0) are denoted as q' and p', respectively. The truncation events resulting in the formation of NC-MiCs 1-5 are represented by Tcl and Tc2. Location of the zeocin resistance gene inserted into mardel(l0) is indicated by an asterisk. The position of BAC B1OK1 used in a screening assay for loss of p' arm is shown. Bold lines above chromosome 10 denote the locations and designations of subchromosomal DNA paints used to characterise the NC-MiCs