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    • 3. 发明申请
    • Analysis of methylation status using oligonucleotide arrays
    • 使用寡核苷酸阵列分析甲基化状态
    • US20050153347A1
    • 2005-07-14
    • US11020528
    • 2004-12-23
    • Michael ShaperoGuoying Liu
    • Michael ShaperoGuoying Liu
    • C12P19/34C12Q1/68
    • C12Q1/6827C12Q2565/501C12Q2525/191C12Q2525/186C12Q2523/125C12Q2521/313
    • The present invention provides for novel methods and kits for determining the methylation status of a cytosine in a nucleic acid sample. The methylation status of a plurality of cytosines may be determined simultaneously. In one embodiment methylation status is determined using methylation specific modification of cytosines followed by locus specific amplification, single base extension at the interrogation position and identification of the extended base by array hybridization. In another embodiment methylation specific modification of a cytosine is detected by hybridization to an array of probes that are perfectly complementary to either the methylated product of modification or the unmethylated product of modification. In another embodiment methylation status is determined using methylation specific restriction enzymes coupled with hybridization to an array.
    • 本发明提供用于确定核酸样品中胞嘧啶的甲基化状态的新方法和试剂盒。 多个胞嘧啶的甲基化状态可以同时测定。 在一个实施方案中,使用甲基化特异性修饰胞嘧啶,然后进行基因座特异性扩增,在询问位置的单碱基延伸和通过阵列杂交鉴定扩展的碱基来确定甲基化状态。 在另一个实施方案中,通过与与修饰的甲基化产物或修饰的非甲基化产物完全互补的探针阵列杂交来检测胞嘧啶的甲基化特异性修饰。 在另一个实施方案中,使用与阵列杂交偶联的甲基化特异性限制酶测定甲基化状态。