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Expression and heterogeneity of epidermal growth factor receptor in human salivary gland mucoepidermoid carcinoma MEC-1 cells
Author(s): 
Pages: 444-446
Year: Issue:  5
Journal: JOURNAL OF PRACTICAL STOMATOLOGY

Keyword:  涎腺粘液表皮样癌表皮生长因子-尿抑胃素受体异质性流式细胞仪;
Abstract: 目的: 探讨人涎腺粘液表皮样癌细胞系(MEC-1)的表皮生长因子受体(EGFR)的表达及其异质性. 方法:采用鼠抗人EGFR1单克隆抗体免疫荧光染色及流式细胞仪(FCM),对MEC-1的EGFR的表达阳性率及其是否存在异质性进行研究. 结果: 经EGFRl单克隆抗体染色的MEC-1的细胞均为阳性,阳性率为100%.相对荧光强度以平均峰值道数表示,为8.006±4.410.从FCM单参数直方图上可以观察到在MEC-l细胞系中出现双峰,表明有EGFR表达的异质性细胞群存在. 结论: 该细胞系是用FCM研究EGFR表达的良好实验模型.异质性表达的细胞是否为那些EGFR数量较多、亲和力较强的细胞还有待于进一步研究.
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