PUF60 and urothelial carcinoma: Our analysis of GSE86411 and GSE128192 revealed that PUF60 mRNA was significantly highly expressed in micropapillary bladder cancer and Sarcomatoid urothelial bladder cancer (SARC), which displayed a high propensity for distant metastasis and were associated with short survival (Figures 2E,F), compared to conventional urothelial carcinoma.