Table 3. Top differentially expressed gene in glioblastomas vs. lower grade gliomas.

Probe Set ID	Gene Symbol	Fold Change
209395_at	CHI3L1	10.36
202718_at	IGFBP2	6.07
210809_s_at	POSTN	5.77
201666_at	TIMP1	5.70
1556499_s_at	COL1A1	5.69
215076_s_at	COL3A1	5.59
202404_s_at	COL1A2	5.17
206157_at	PTX3	4.90
201012_at	ANXA1	4.87
202237_at	NNMT	4.82
211527_x_at	VEGFA	4.73
221898_at	PDPN	4.65
202912_at	ADM	4.65
215446_s_at	LOX	4.43
202345_s_at	FABP5	4.41
226517_at	BCAT1	4.30
203729_at	EMP3	4.14
202018_s_at	LTF	4.05
227697_at	SOCS3	3.96
211981_at	COL4A1	3.64
209156_s_at	COL6A2	3.62
201505_at	LAMB1	3.59
226237_at	226237_at	3.59
236028_at	IBSP	3.57
201744_s_at	LUM	3.53
225681_at	CTHRC1	3.52
203645_s_at	CD163	3.51
211964_at	COL4A2	3.49
201110_s_at	THBS1	3.44
208949_s_at	LGALS3	3.42