“… 3 , 4 , 5 In addition, circRNAs also participate in the translation of proteins. 6 , 7 Previous studies have reported that circRNAs possess cell-type-specific and tissue-type-specific expression 5 , 8 , 9 and are involved in pathogenesis of various human diseases such as cardiovascular diseases, 10 , 11 , 12 , 13 neural systemic diseases, 14 , 15 , 16 , 17 osteoarthritis, 18 diabetes mellitus, 19 and particularly in human cancers, 20 , 21 , 22 , 23 , 24 including urological cancers. 25 , 26 The roles and mechanisms of circRNAs in different types of human cancers have been largely explored recently.…”