Expander version 7 includes the following improvements:
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1)ChIP-Seq data analysis support including:
   * Loading BED/GFF3 peaks file
   * Mapping peaks to closest gene 
   * Visualization of peaks chromosomal positions
   * Visualization of peaks genomic region distribution
   * Human/Mouse regions enrichment within hits
   * Visualization of gene expression distribution within ChIP-Seq hits 
   * Analysis of ChIP-Seq hits enrichment within gene groups
   * Enrichment analysis within ChIP-Seq hits
2) Support for simultaneous analysis of more than one data set (same organism)
3) Addition of Cytoscape interface for improved network visualization
4) Improved GSEA visualization
5) Updated PPI data for: Human, mouse, c.elegans, s.cerevisiae, s.pombe and zebrafish