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    • 22. 发明申请
    • Genotyping method using distance measure
    • 使用距离测量的基因分型方法
    • US20060269952A1
    • 2006-11-30
    • US11440847
    • 2006-05-25
    • Ji-young Oh
    • Ji-young Oh
    • C12Q1/68G06F19/00
    • C12Q1/6837G16B20/00G16B25/00
    • A genotyping method includes: (a) hybridizing a known standard nucleic acid to a DNA chip on which an optimal probe set composed of two or more different probes matching respective two or more different genotypes is immobilized for each mutation site, calculating an input vector having two components from the hybridization data, and setting up a genotyping algorithm using the input vector; (b) determining the centroid point of each of the two or more different genotypes; and (c) hybridizing an unknown target nucleic acid to the DNA chip, calculating an input vector having two components from the hybridization data, inputting the input vector into the genotyping algorithm, calculating a distance between the input vector and the centroid point of each of the two or more different genotypes, and determining that the target nucleic acid belongs to a genotype whose centroid point is nearest to the input vector for the target nucleic acid. Therefore, it can be determined that an unknown target nucleic acid belongs to which one of two or more genotypes, and in particular, to three or more genotypes.
    • 一种基因分型方法包括:(a)将已知的标准核酸与DNA芯片杂交,其中针对每个突变位点固定有由两个或多个不同基因型组成的两个或更多个不同探针组成的最佳探针组,DNA计算具有 杂交数据的两个成分,并使用输入向量建立基因分型算法; (b)确定两种或多种不同基因型中的每一种的质心点; 和(c)将未知靶核酸与DNA芯片杂交,从杂交数据计算具有两个成分的输入向量,将输入向量输入到基因分型算法中,计算输入向量与每个的质心点之间的距离 两种或更多种不同的基因型,并且确定靶核酸属于其质心点最接近靶核酸的输入载体的基因型。 因此,可以确定未知靶核酸属于两种以上基因型中的哪一种,特别是三种以上的基因型。