Protein subcellular localization profiling of breast cancer cells by dissociable antibody microarray staining.

Protein subcellular localization profiling of breast cancer cells by dissociable antibody microarray staining.
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DOI:
10.1002/pmic.200900585
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发表时间:
2010-04
期刊:
影响因子:
3.4
通讯作者:
Zhou, G. Wayne
Zhou, G. Wayne
中科院分区:
生物学3区
文献类型:
--
作者:
Fu, Guanyuan;Song, X. Cynthia;Yang, Xufen;Peng, Tao;Wang, Yingjian;Zhou, G. Wayne

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我们开发了可解离抗体微阵列(DAMA)染色技术,为固定细胞中蛋白质亚细胞定位(SCL)的全局分析提供了一种新方法。我们已经开发和优化了这种技术用于蛋白质SCL分析,生成了ChipView,一个用于管理和分析分子图像数据库的程序,并利用该技术鉴定乳腺癌细胞系中具有独特SCL的蛋白质。我们比较了9种不同乳腺细胞系中325种蛋白质的SCL谱,并确定了一种蛋白质,细胞周期蛋白B1,在正常和癌细胞系之间具有明显不同的SCL。用经典的个体免疫染色,证实Cyclin B1定位于7个乳腺癌细胞系的细胞质和2个正常乳腺细胞系的细胞质和细胞核中,并且在所测试的癌细胞系中具有较高的表达水平。
We have developed Dissociable Antibody Microarray (DAMA) staining technology that provides a new approach to the global analysis of protein subcellular localization (SCL) in fixed cells. We have developed and optimized this technology for protein SCL profiling, generated ChipView, a program for management and analysis of molecular image database, and utilized the technique to identify proteins with unique SCL in breast cancer cell lines. We compared the SCL profiles of 325 proteins among nine different breast cell lines, and have identified one protein, Cyclin B1, with distinctively different SCLs between normal and cancer cell lines. With classic individual immunostaining, Cyclin B1 was confirmed to localize to the cytoplasm of seven breast cancer cell lines and in both cytoplasm and nuclei of two normal breast cell lines, and to have higher expression levels in the cancer cell lines tested.
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