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


ABSTRACT: 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.

SUBMITTER: Fu G 

PROVIDER: S-EPMC3077420 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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

Fu Guanyuan G   Song X Cynthia XC   Yang Xufen X   Peng Tao T   Wang Yingjian Y   Zhou G Wayne GW  

Proteomics 20100401 8


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 di  ...[more]

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