Figure 7

Inhibition of HDAC4 suppresses cell proliferation. Hep3B and SMMC7721 cells were transfected with control RNA or HDAC4 siRNA (A), or treated with TSA (100 nM) (B) for the indicated time periods. Cell proliferation was measured using MTT assay. Data are shown as mean±s.d. (n=6). ^**P<0.01.