UCA1 and urinary bladder cancer: These are: exosomal lncRNA PTENP1 suppresses bladder cancer progression by competitively binding to oncomiR miR-17 and increases the expression of PTEN [26]; hypoxic exosomal lncRNA UCA1 promotes tumor growth and progression though EMT [27]; and exosomal lncRNA LNMAT2 promotes lymphatic metastasis of bladder cancer [28].