• Zhilu Gan, Alimujiang Abudurexiti, Xiaogang Hu, Wenxin Chen, Ning Zhang, and Wei Sang.
• Surgery Department of Urology, The Third People's Hospital of Xinjiang Uyghur Autonomous Region, Urumqi, P.R. China.
• Medicine (Baltimore). 2024 Jan 12; 103 (2): e35722e35722.

ObjectsHuman bladder cancer (BC) is the most common urogenital system malignancy. E2F transcription factors (E2Fs) have been reported to be involved in the growth of various cancers. However, the expression patterns, prognostic value and immune infiltration in the tumor microenvironment of the 8 E2Fs in BC have yet fully to be explored.Methods And StrategyWe investigated the differential expression of E2Fs in BC patients, the prognostic value and correlation with immune infiltration by analyzing a range of databases.ResultsWe found that the mRNA expression levels of E2F1/2/3/4/5/7/8 were significantly higher in BC patients than that of control tissues. And the increased mRNA expression levels of all E2Fs were associated with tumor stage of BC. The survival analysis revealed that the elevated mRNA expression levels of E2F3/5/8 were significantly correlated with the overall survival (OS) of BC patients. And the genetic changes of E2Fs in BC patients were associated with shorter overall survival (OS) and progression-free survival (PFS). In addition, we revealed that the E2F3/5/8 expressions were closely correlated with tumor-infiltrating lymphocytes (TILs).ConclusionsE2F3/5/8 might serve as promising prognostic biomarkers and new therapeutic direction for BC patients.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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