Finally, we transiently overexpressed fibulin-3 cDNA in GBM cell lines (U251MG and GL261, Fig. 3D) as well as in a colorectal cancer cell line that lacks endogenous fibulin-3 expression [Colo201, RRID: CVCL_F399 (26), Supplementary Fig. S5]. This evidence concerns the gene EFEMP1 and glioblastoma.