The supplementary material file contains additional data that sustain the oncogenic role of Jag1-ICD and information about reagents utilized, as follows: - Supplementary Figure S1 recapitulates the main gene mutations in CRC cell lines . - Supplementary Figures S2 and S3 show additional data supporting the role of Jag1-ICD in sustaining EMT and chemoresistance of CRC, respectively. - Supplementary Tables add information concerning reagents utilized. Table S1 reports the oligonucleotide primers; Table S2 reports the names and the source of the antibodies.