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    • 2. 发明公开
    • 유방암 진단용 바이오마커
    • 生物标记用于诊断乳腺癌
    • KR1020130003708A
    • 2013-01-09
    • KR1020110065194
    • 2011-06-30
    • 충남대학교산학협력단주식회사 와이바이오로직스
    • 맹필재송영자박영우송규상서광선이진선성경미유석호
    • C12N15/11C12Q1/68
    • C12Q1/6886C12Q2600/158G01N33/57415G01N2033/57403
    • PURPOSE: A biomarker containing a specific DNA fragment or full length DNA of MAMDC2 for diagnosing breast cancer is provided to effectively diagnose breast cancer and to early treat breast cancer. CONSTITUTION: A biomarker for diagnosing breast cancer contains a DNA fragment or full length DNA of MAMDC2 containing a polynucleotide of sequence number 1. The biomarker is specifically expressed in a breast cancer tissue. A method for diagnosing breast cancer using the biomarker and a diagnostic agent for breast cancer comprises: a step of directly mixing total RNA from a breast tissue of a sample with nCounter probe containing a reporter probe and a capture probe; a step of performing hybridization; a step of removing excessive un-hybridized probes through affinity-purification; a step of attaching triple complex of a purified reporter probe, a capture probe, and RNA onto an imaging surface and applying voltage to fix molecules in a row; a step of moving the molecules into a Digital Analyzer and performing imaging processing; a step of decoding the reporter probes and measuring MAMDC2 gene expression level; and a step of comparing MAMDC2 gene expression level of the breast tissue with the gene expression level of a normal tissue. [Reference numerals] (0) Normal tissue; (1) Breast cancer tissue
    • 目的:提供含有诊断乳腺癌的MAMDC2特异性DNA片段或全长DNA的生物标志物,以有效诊断乳腺癌和早期治疗乳腺癌。 构成:用于诊断乳腺癌的生物标志物含有含有序列号1的多核苷酸的MAMDC2的DNA片段或全长DNA。生物标志物在乳腺癌组织中特异性表达。 使用生物标志物和乳腺癌诊断剂诊断乳腺癌的方法包括:将来自样品的乳腺组织的总RNA与包含报道探针的nCounter探针和捕获探针直接混合的步骤; 进行杂交的步骤; 通过亲和纯化去除过量的未杂交的探针的步骤; 将纯化的报道探针,捕获探针和RNA的三重复合物连接到成像表面上并施加电压以将分子固定在一行中的步骤; 将分子移动到数字分析仪并执行成像处理的步骤; 解码报道探针和测量MAMDC2基因表达水平的步骤; 以及将乳腺组织的MAMDC2基因表达水平与正常组织的基因表达水平进行比较的步骤。 (附图标记)(0)正常组织; (1)乳腺癌组织