Recombination using Gt(ROSA)26Sortm2Bgh replaced the hygromycin resistance cassette is replaced with tetracycline response element driving inducible expression of a tdTomato reporter gene, 2A peptide sequence and a murine Ctnnb1 cDNA with four stabilizing mutations (S33A, S37A, T41A and S45A) followed by a polyadenylation sequence. (J:222531)