USP30 and urinary bladder cancer: Among the nine FRLs, USP30-AS1 was identified as autophagy-related lncRNA in bladder urothelial carcinoma (Sun et al., 2020), OC (Meng et al., 2020), and bladder cancer (Wan et al., 2021), immune-related lncRNA in cervical cancer (Chen et al., 2020), and epithelial–mesenchymal transition-related lncRNA in bladder cancer via bioinformatic analysis.