Ge, Ctnnb1 fl2-6/fl2-6 mice had been crossed with Isl
Ge, Ctnnb1 fl2-6/fl2-6 mice had been crossed with Isl1+/cre; Ctnnb1+/- mice, and Isl1+/cre; Ctnnb1-/fl2-4 (hereafter, known as Isl1Cre; -catenin CKO) were obtained. To constitutively activate (CA) -catenin, Ctnnb1+/fl3 mice were…