We evaluated the acetylation status in A2780 ovarian carcinoma cells of H3, which is acetylated through class I HDACs (Glaser et al, 2003), and tubulin, which is acetylated by the class II family member HDAC6 (Matsuyama et al, 2002; Zhang et al, 2003). Here, HDAC6 is linked to ovarian carcinoma.