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Updated: Jun 27, 2026

A Graphical User Interface for Software-assisted Tracking of Protein Concentration in Dynamic Cellular Protrusions
Published on: July 11, 2017
CAT PETR: a graphical user interface for differential analysis of phosphorylation and expression data
Keegan Flanagan1, Steven Pelech2, Yossef Av-Gay3
1Department of Mathematics and Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada.
Abstract:
Antibody microarray data provides a powerful and high-throughput tool to monitor global changes in cellular response to perturbation or genetic manipulation. However, while collecting such data has become increasingly accessible, a lack of specific computational tools has made their analysis limited. Here we present CAT PETR, a user friendly web application for the differential analysis of expression and phosphorylation data collected via antibody microarrays. Our application addresses the limitations of other GUI based tools by providing various data input options and visualizations. To illustrate its capabilities on real data, we show that CAT PETR both replicates previous findings, and reveals additional insights, using its advanced visualization and statistical options.
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