PTX3 and glioblastoma: The results of qRT-PCR showed that BMP2 (P = 0.0214) and PTX3 (P = 0.0168) expression in GBM was significantly higher than in paracancerous tissue (Figures 13A, B), and TNFSF9 (P = 0.0078) expression in GBM was significantly lower than in paracancerous tissue (Figure 13C).