PTDSS1 and bladder transitional cell carcinoma: SLC25A15 (HR = 1.68, 95% CI: 1.24–2.27, and P = 0.00062) and PTDSS1 (HR = 1.41, 95% CI: 1.01–1.96, and P = 0.041) more likely to be the unfavorable factor for BLCA patients’ prognosis.