While standard poly(D-lysine) (PDL) and various combinations of poly(L-ornithine) (PLO) and laminin have been used for glioblastoma electrotaxis,16,41 the adhesion and electrotaxis of T98G and U-251MG are not always consistent and reproducible as shown in Figs. S2 and S3. Here, LAMB2 is linked to glioblastoma.