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Article Abstract
Background: Esophageal carcinoma (ESCA) is deemed a highly lethal malignancy with a grim prognosis and stands as the fourth leading cause of cancer-related mortality. Recent research has revealed the potential crucial role of fragile X mental retardation 1 (FMR1) protein in tumor development and progression. However, the correlation between FMR1 and immune regulation in ESCA remains unclear. In this study, we aimed to assess the clinicopathological and prognostic significance of FMR1 expression, and its relationship with immune cell infiltration, immune biomarkers and the pathway involved in ESCA.
Methods: The Cancer Genome Atlas (TCGA) pan-cancer data and the Gene Expression Omnibus (GEO) database were used to analyze the expression of FMR1. The correlation between FMR1 and cancer stage, time-dependent survival curve and receiver operating characteristic (ROC) curve were performed using R package. Immune cell infiltration was assessed using the samples found in TCGA. Functional enrichment analyses were performed to investigate the potential signaling pathway and biological functions.
Results: FMR1 was upregulated in 7 tumors and downregulated in 4 tumors. Overexpression of FMR1 considerably associated with cancer stage and poor prognosis in ESCA. The ROC area was 0.745 and 0.830 for 3-year and 5-year respectively. FMR1 exhibited a positive correlation with common lymphoid progenitor and T cell CD4+ Th2, and a negative correlation with B cell memory, B cell plasma, endothelial cell, monocyte, neutrophil, T cell CD4+ Th1, and T cell CD4+ effector memory in ESCA. The enrichment analysis revealed FMR1 was primarily associated with cell development and predominantly enriched in immune-related pathways.
Conclusion: FMR1 may act as a prognostic biomarker for ESCA and participate in immune regulation in ESCA.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11932061 | PMC |
| http://dx.doi.org/10.62347/XVFP6530 | DOI Listing |
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