Table 2.

Profile of inhibition of specific HDACs by MS-275 or SAHA

	General HDAC	HDAC1	HDAC2	HDAC3	HDAC6
MS-275	0.095±0.11	1.04±0.13	0.68±0.24	0.12±0.09	>50
SAHA	0.088±0.08	2.35±0.21	0.33±0.12	0.86±0.21	>50

Abbreviations: HDAC, histone deacetylase inhibitor.

Data shown are IC₅₀ values (μM; mean±s.e.m.) obtained from four assays.