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- W4242487461 abstract "Abstract Background: Bladder cancer (BC) is the fourth most prevalent neoplasm in men and is associated with high tumour recurrence rates, leading to major treatment challenges. Lysine-specific demethylase 6A (KDM6A) is frequently mutated in several cancer types; however, its effects on tumour progression and clinical outcome in BC remain unclear. Here, we explored the potential role of KDM6A in regulating the antitumor immune response. Methods: We mined The Cancer Genome Atlas (TCGA) and International Cancer Genome Consortium (ICGC) databases for somatic mutation and clinical data in patients with BC. Results: We found frequent mutations in 12 genes in both cohorts, including TP53, KDM6A, CSMD3, MUC16, STAG2, PIK3CA, ARID1A, RB1, EP300, ERBB2, ERBB3, and FGFR3. The frequency of KDM6A mutations in the TCGA and ICGC datasets was 25.97% and 24.27%, respectively. In addition, KDM6A mutation was associated with a lower number of tumour-infiltrating lymphocytes and indicated a state of immune tolerance. KDM6A mutation was associated with lower KDM6A expression level compared with that in samples carrying the wild-type gene. Further, survival analysis showed that the prognosis of patients with low KDM6A expression was worse than that with high KDM6A expression. Using the CIBERSORT algorithm, Tumor Immune Estimation Resource site, and Gene Set Enrichment Analysis, we found that KDM6A mutation downregulated nine signalling pathways that participate in the immune system and attenuated the tumour immune response. Conclusion: Overall, we conclude that KDM6A mutation is frequent in BC and promotes tumour immune escape, which may serve as a novel biomarker to predict the immune response. Key Words: KDM6A, bladder cancer, mutation, immune" @default.
- W4242487461 created "2022-05-12" @default.
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- W4242487461 date "2020-09-01" @default.
- W4242487461 modified "2023-09-27" @default.
- W4242487461 title "Significance of KDM6A Mutation in Bladder Cancer Immune Escape" @default.
- W4242487461 doi "https://doi.org/10.21203/rs.3.rs-62261/v1" @default.
- W4242487461 hasPublicationYear "2020" @default.
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