COL3A1 and glioblastoma: The results showed that the percentage variation in the mRNA expression of LOX, IGFBP3, CD44, TIMP1, FN1, VEGFA, POSTN, COL1A1, COL1A2, and COL3A1 in GBM were 2.8, 18, 3, 4, 3, 8, 5, 10, 16, and 5%, respectively (Figure 6(b)).