tsa, valerian acid, <a href=http://foto-kunst.no/hjem/foto-kunst-2-44/>http://foto-kunst.no/hjem/foto-kunst-2-44/</a>, and sodium butyrate resulted in decreased expression. gsk3-beta: Glycogen synthase 3-beta: The most important regulator of the beta-catenin pathway, which is in demand for monitoring of gene expression.