Table 1.

Relative expression (medians) of HDAC genes in different groups of tumor and normal brain tissue.

	Normal Brain	Astrocytoma grades I and II	Astrocytoma grade III	Glioblastoma
Class I
HDAC1	0.98	1.19	1.93	1.03
HDAC2	0.68	0.72	1.30	0.95
HDAC3	0.85	0.73	0.62	0.69
HDAC8	1.30	2.87	2.08	1.64
Class II
HDAC4	3.27	3.33	8.43	1.42
HDAC5	1.71	2.72	2.27	0.91
HDAC6	1.72	3.05	2.57	1.33
HDAC7	0.61	0.80	0.81	0.56
HDAC9a	30.74	24.46	30.51	11.49
HDAC9b	61.51	17.10	18.32	7.43
HDAC10	6.54	7.29	11.04	4.26
Class IV
HDAC11	3.67	3.30	3.05	1.02