- Actin filament formation, reorganization and migration are impaired in hepatic stellate cells under influence of trichostatin A, a histone deacetylase inhibitor. Rombouts, K., Knittel, T., Machesky, L., Braet, F., Wielant, A., Hellemans, K., De Bleser, P., Gelman, I., Ramadori, G., Geerts, A. J. Hepatol. (2002)