The expression of bone morphogenetic protein ( Bmp ) genes , such as Bmp4 and Bmp7 , was also ectopically induced in the epithelia of the URS in the b-catenin GOF mutants .
O O O B-GeneOrGeneProduct I-GeneOrGeneProduct I-GeneOrGeneProduct O B-GeneOrGeneProduct O O O O O B-GeneOrGeneProduct O B-GeneOrGeneProduct O O O O O O O O O O O O O B-GeneOrGeneProduct O O O