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发明授权
CN104761634B 一种肺癌诊断标志物、抗体及其应用 失效 - 权利终止

一种肺癌诊断标志物、抗体及其应用
摘要：
本发明利用肺癌细胞免疫动物制备了可以特异性识别肺癌组织的特异性单克隆抗体LC128，所述的抗体的保藏号为CGMCC NO.10414,所述的抗体与肺癌组织以及肺癌细胞系呈强阳性反应，与正常组织以及其他非肺癌细胞无交叉反应。通过LC128单抗与肺癌细胞系特异性结合后鉴定细胞系表达的抗原为N3G4，其为异常糖基化修饰整合素β1，其表位为Neu5Acα2‑6GlcNAcβ1‑3Galβ1‑3GlcNAcβ1‑3Galβ1，利用LC128结合免疫磁珠法检测临床样本发现，阳性检出率为86.13%，明显高于常规脱落细胞图片的阳性检出率，说明N3G4是一个良好的肺癌标志物，LC128是一种良好的肺癌诊断试剂。
摘要（英）：

A human lung cancer marker N3G4, and use of the same as human lung cancer marker is disclosed. Hybridoma cells which produce anti-N3G4 monoclonal antibodies, and the secreted monoclonal antibody LC128, and use of LC128 for the preparation of a diagnostic agent for lung cancer are also disclosed. Kits for in vitro diagnosis comprising the monoclonal antibody LC128 and methods for detecting tumor markers in lung tissue by using the monoclonal antibody LC128 are also disclosed.

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