Figure 6. Effects of β-cell specific deletion Ctnnb1KO in mice include decreased expression of β-catenin in islets. Primary pancreatic islets purified from Ctnnb1KO,Ctnnb1fl/fl:MIP1-CreERT[Tmx] double-transgenic mice, and controlCtnnb1fl/fl[Tmx] mice, were stained for insulin (GREEN) and β-catenin (RED).