211 Increasing expression level of ETS-1 via HIF-1α induces the angiogenesis and invasiveness human bladder cancer: It may be one of useful molecular markers to determine the progression of human bladder cancer

BackgroundCX3CL1 is a chemokine that may play important roles in cancer immune regulation. Its mechanism in bladder cancer (BCa) is poorly understood. The objective of the current study was to evaluate the association between CX3CL1 and BCa and the related biological mechanisms.MethodsA total of 277 patients with BCa were enrolled in the present study. The association between CX3CL1 expression and disease outcome was evaluated. In vitro and in vivo experiments were performed using the TCCSUP cell line to investigate the function of CX3CL1 in BCa.ResultsCompared with low expression, high expression of CX3CL1 was significantly associated with poorer progression-free survival (hazard ratio [HR]=2.03, 95% confidence interval [95% CI]: 1.26-3.27, P=0.006), cancer-specific survival (HR=2.16, 95% CI: 1.59-2.93, P<0.001), and overall survival (HR=1.55, 95% CI: 1.08-2.24, P=0.039). Multivariable Cox regression analysis suggested that CX3CL1 was an independent prognostic factor for BCa outcomes. In vitro and in vivo experiments indicated that high expression of CX3CL1 was significantly associated with cell proliferation (P<0.001) and invasion (P<0.001). Gene expression profiling results showed that after CX3CL1 knockdown, CDH1 was significantly upregulated, while ETS1, RAF1, and EIF4E were significantly downregulated. Pathway enrichment analysis suggested that the ERK/MAPK signaling pathway was significantly inhibited (P<0.001).ConclusionsCX3CL1 is an independent predictor of a poor prognosis in BCa and can promote the proliferation and invasion of BCa cells.

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The Clinical Implications and Molecular Mechanism of CX3CL1 Expression in Urothelial Bladder Cancer

Jiang

Wang

Huang

et al. 2021

Front. Oncol.

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211 Increasing expression level of ETS-1 via HIF-1α induces the angiogenesis and invasiveness human bladder cancer: It may be one of useful molecular markers to determine the progression of human bladder cancer

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The Clinical Implications and Molecular Mechanism of CX3CL1 Expression in Urothelial Bladder Cancer

The Clinical Implications and Molecular Mechanism of CX3CL1 Expression in Urothelial Bladder Cancer

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