lementing existing resources by acting as a distribution hub for the community. One of its unique features is its ability to archive heterogeneous data. TOXsIgN thus allows users to upload lists of genes positively (overexpressed for transcriptomic assays) affected and negatively (underexpressed) affected from distinct â€“omics experiments (e.g., transcriptomics, proteomics, or epigenomics). It also provides users with a working environment containing a powerful search engine as well as bioinformatics/