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    • 6. 发明专利
    • Detection of gene methylation
    • 检测基因甲基化
    • JP2007075114A
    • 2007-03-29
    • JP2006249663
    • 2006-09-14
    • Veridex Llcベリデックス・エルエルシーVeridex,LLC
    • VENER TATIANAMEHROTRA JYOTIVARDE SHOBHAMAZUMDER ABHIJITBADEN JONBACKUS JOHN
    • C12Q1/68C12N15/09
    • C12Q1/6886C12Q1/6809C12Q2600/154C12Q2600/16C12Q2523/125
    • PROBLEM TO BE SOLVED: To provide a method for detection of methylated state of various kinds of genes, effective for various kinds of diagnostic applications of diseases including the disease suspected to be a proliferative disease such as prostatic cancer.
      SOLUTION: A DNA is methylated only on cytosine positioned at 5' to guanosine in CpG dinucleotide in a higher eukaryotic cell. The modification has important regulatory effect on gene expression. The abnormal methylation of a normal non-methylated CpG island relates to transcription deactivation of a specific tumor suppressor gene or other genes associated with the amelioration of specified human cancer. The designing of a methylation-specific PCR (MSP) primer and probe for distinguishing the prostatic cancer from benign prostatic hyperplasia is complicated. More strong and consistent assay can be obtained by the combination of the new primer and probe.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供检测各种基因的甲基化状态的方法,对于涉及疑似是前列腺癌等增生性疾病的疾病的各种诊断应用有效。 解决方案:DNA仅在高等真核细胞中位于CpG二核苷酸5'位于鸟苷的胞嘧啶上甲基化。 该修饰对基因表达具有重要的调控作用。 正常非甲基化CpG岛的异常甲基化涉及特定肿瘤抑制基因或与特定人类癌症改善相关的其他基因的转录失活。 用于区分前列腺癌与良性前列腺增生的甲基化特异性PCR(MSP)引物和探针的设计是复杂的。 通过新引物和探针的组合可以获得更强的和一致的测定。 版权所有(C)2007,JPO&INPIT