TNK1
Basic Info
Synonyms CD38 negative kinase 1, KOS1, Non-receptor tyrosine-protein kinase TNK1 + [3] |
Introduction Involved in negative regulation of cell growth. Has tumor suppressor properties. Plays a negative regulatory role in the Ras-MAPK pathway. May function in signaling pathways utilized broadly during fetal development and more selectively in adult tissues and in cells of the lymphohematopoietic system. Could specifically be involved in phospholipid signal transduction. |
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Uterine corpus endometrial carcinoma (UCEC) is one of the most common gynecological malignancies, and understanding the molecular mechanisms underlying its development is essential for improving diagnosis and treatment. However, the role of DNA methylation, a key epigenetic modification, in UCEC prognosis prediction and clinical treatment strategies has rarely been studied. This study utilized publicly available datasets from The Cancer Genome Atlas (TCGA) and online bioinformatics tools to analyze the differential methylation and expression of six selected genes: TP53, PTEN, PTX3, TNK1, PPP2R1A, and KLRG2. These genes were chosen based on their known roles in cancer-related pathways, previous associations with oncogenic processes, and preliminary data showing significant changes in methylation and expression in UCEC compared with normal tissues. We integrated mRNA expression and DNA methylation data with the MethylMix method to identify genes with methylation-driven expression changes. Our analysis revealed that these genes exhibit distinct differential expression and methylation patterns in UCEC, suggesting potential regulatory mechanisms. The expression patterns across the six genes were observed, and TP53, TNK1, PPP2R1A, and KLRG2 were upregulated in tumors, and PTX3 was downregulated in tumors. At the same time, there was no significant change in the expression of PTEN gene. The differential expression correlates with changes in methylation, providing insights into the gene regulation occurring in UCEC. Additionally, Kaplan-Meier survival analysis revealed that the expression levels of specific genes, particularly PTX3, TNK1, and KLRG1, are significantly associated with overall survival in UCEC patients. Higher expression of these genes correlated with poorer survival outcomes, suggesting their potential as prognostic markers. In contrast, the expression of TP53, PTEN, and PPP2R1A did not show a significant impact on patient survival. The functional importance of these genes was investigated utilizing pathway enrichment and protein-protein interaction networks. Additionally, pathway enrichment analysis indicated these genes are involved in critical cancer pathways. The findings highlight the importance of integrating epigenetic and transcriptomic data to understand UCEC pathogenesis and suggest that the identified genes could serve as potential biomarkers for early diagnosis and treatment strategies.
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