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    • 5. 发明申请
    • METHOD FOR ANALYSIS/IDENTIFICATION OF ANTIBODY GENE AT ONE-CELL LEVEL
    • 用于单细胞水平分析/鉴定抗体基因的方法
    • US20110091896A1
    • 2011-04-21
    • US12995404
    • 2009-06-04
    • Yasuto Akiyama
    • Yasuto Akiyama
    • C12Q1/68C12P21/00C12P19/34
    • G01N33/56972G01N33/6854
    • Disclosed are: a method for identifying/analyzing a gene for an antibody in one cell derived from a human; a technique for producing an antibody derived from an identified one B cell; and others. A gene for an antibody specific to a melanoma antigen is analyzed/identified at a one-cell level by using an immortalized B cell produced from peripheral blood monocytes from a melanoma patient or a primary B cell included in the peripheral blood monocytes. It is found that B cells capable of producing a specific antibody can be separated on one cell by one cell basis by staining the B cells with a GST-labeled melanoma-specific cancer antigen MAGE1, an Alexa-labeled anti-GST antibody and a PE-labeled anti-human IgG antibody and carrying out the single cell sorting of the stained B cells. Further, a practical technique for extracting total RNA from the separated one B cell and cloning a gene for a specific antibody into the total RNA efficiently can be established.
    • 公开了一种用于鉴定/分析来源于人的一种细胞中的抗体基因的方法; 用于产生源自鉴定的一个B细胞的抗体的技术; 和别的。 通过使用由来自黑素瘤患者或包含在外周血单核细胞中的原代B细胞的外周血单核细胞产生的永生化B细胞,在单细胞水平分析/鉴定用于黑素瘤抗原特异性抗体的基因。 发现能够产生特异性抗体的B细胞可以通过用GST标记的黑素瘤特异性癌抗原MAGE1,Alexa标记的抗GST抗体和PE染色B细胞,在一个细胞上通过一个细胞分离 标记的抗人IgG抗体,并进行染色的B细胞的单细胞分选。 此外,可以建立从分离的一个B细胞中提取总RNA并将特异性抗体的基因有效克隆到总RNA中的实用技术。