FSCN1 and urinary bladder cancer: lncRNA-UCA1 induces EMT in bladder cancer cells by up-regulating the expression levels of zinc-finger E-box-binding homology boxes 1 and 2 (ZEB1 and ZEB2), and it regulates bladder cancer cell EMT through the tumor suppressor hsa-miR-145 and its target gene FSCN1.