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lüll Automated interpretation of subcellular patterns in fluorescence microscope images for location proteomics Chen X; Velliste M; Murphy RFCytometry A 2006[Jul]; 69 (7): 631-40Proteomics, the large scale identification and characterization of many or all proteins expressed in a given cell type, has become a major area of biological research. In addition to information on protein sequence, structure and expression levels, knowledge of a protein's subcellular location is essential to a complete understanding of its functions. Currently, subcellular location patterns are routinely determined by visual inspection of fluorescence microscope images. We review here research aimed at creating systems for automated, systematic determination of location. These employ numerical feature extraction from images, feature reduction to identify the most useful features, and various supervised learning (classification) and unsupervised learning (clustering) methods. These methods have been shown to perform significantly better than human interpretation of the same images. When coupled with technologies for tagging large numbers of proteins and high-throughput microscope systems, the computational methods reviewed here enable the new subfield of location proteomics. This subfield will make critical contributions in two related areas. First, it will provide structured, high-resolution information on location to enable Systems Biology efforts to simulate cell behavior from the gene level on up. Second, it will provide tools for Cytomics projects aimed at characterizing the behaviors of all cell types before, during, and after the onset of various diseases.|Animals[MESH]|Humans[MESH]|Microscopy, Fluorescence/instrumentation/*methods[MESH]|Pattern Recognition, Automated/*methods[MESH]|Proteomics/instrumentation/*methods[MESH]|Systems Biology/instrumentation/methods[MESH] |