ISG15 and sarcoma: Of note, ISG15 appeared to be differentially overexpressed in two sarcoma datasets (Tumor Sarcoma Mesenchymal—Boshoff—96 and Tumor Sarcoma—Filion—137) versus a normal tissue repository (Normal Various (GNF)—Su—158) (Supplementary Fig. 1), supporting potential interest of ISG15 expression in sarcoma.