ALDH1A1 and breast cancer: However, the NMIBC accounting for 70–80% of human BC cases is commonly correlated with active mutations of FGFR3 and HRAS and reveals abundant expression of totally diverse stemness genes, such as ALDH1A1, ALDH1A2, CD133, Nestin, CD90 [9], the umbrella cell marker Uroplakin 3, and the cell adhesion proteins (LAMB3 and ITGB4) [26].