Of the 30 mAbs recognizing the recombinant NG2 antigen in immunoblotting (NG2rec; Table 1), 8 reacted with NG2/CSPG4 isoforms expressed by foetal brain tissues or glioblastoma lesions, or both, yielding distinctive banding patterns (Figure 7). Here, CSPG4 is linked to glioblastoma.