ArticleHereditas2023
A pan-cancer analysis of Dyskeratosis congenita 1 (DKC1) as a prognostic biomarker.
Article in Hereditas, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Identification and Computational Analysis of a Novel Pathogenic DKC1 Variant Underlying X-Linked Dyskeratosis Congenita.Biochemical genetics · 2026Article
- A pseudouridine-related prognostic model of colorectal cancer based on single-cell sequencing analysis and transcriptome analysis.Scientific reports · 2026Article
- RNA modifications in cancer: from biological insights to therapeutic targets.Bioorganic & medicinal chemistry · 2026Review
- H/ACA snoRNAs and snoRNPs Dysregulation Links rRNA Modification to Glioblastoma Progression.Research square · 2025Article
- Safety, Pharmacokinetics, Translational and Molecular Mechanistic Insights on the Prostate Cancer Recurrence Suppressor Pseurotin A.Molecules (Basel, Switzerland) · 2025Article
- Article
- Targeting DKC1/NF-κB axis suppresses tumorigenesis and enhances 5-FU sensitivity in gastric cancer.Cancer cell international · 2025Article
- METTL3-dependent m6A methylation of circCEACAM5 fuels pancreatic cancer progression through DKC1 activation.Cellular and molecular life sciences : CMLS · 2025Article
- Pseudouridine Detection and Quantification Using Bisulfite Incorporation Hindered Ligation.ACS chemical biology · 2024Article
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Authors and funding
3 authors.
Funding
Abstract
backgroundDyskeratosis congenita 1 (DKC1), a critical component of telomerase complex, is highly expressed in a variety of human cancers. However, the association of DKC1 with cancer occurrence and development stages is not clear, making a pan-cancer analysis crucial.
methodsWe conducted a study using various bioinformatic databases such as TIMER, GEPIA, UALCAN, and KM plotter Analysis to examine the different expressions of DKC1 in multiple tissues and its correlation with pathological stages. Through KEGG analysis, GO enrichment analysis and Venn analysis, we were able to reveal DKC1-associated genes and signaling pathways. In addition, we performed several tests including the CCK, wound healing assay, cell cycle arrest assay, transwell assay and Sa-β-gal staining on DKC1-deleted MDA-231 cells.
resultsOur study demonstrates that DKC1 has relatively low expression specificity in different tissues. Furthermore, we found that in ACC, KICH, KIRP and LIHC, the expression level of DKC1 is positively correlated with pathological stages. Conversely, in NHSC, KIRP, LGG, LIHC, MESO and SARC, we observed a negative influence of DKC1 expression level on the overall survival rate. We also found a significant positive correlation between DKC1 expression and Tumor Mutational Burden in 14 tumors. Additionally, we observed a significantly negative impact of DKC1 DNA methylation on gene expression at the promoter region in BRCA. We also identified numerous phosphorylation sites concentrated at the C-terminus of the DKC1 protein. Our GO analysis revealed a correlation between DKC1 and ribosomal biosynthesis pathways, and the common element UTP14A was identified. We also observed decreased rates of cell proliferation, migration and invasion abilities in DKC1-knockout MDA-MB-231 cell lines. Furthermore, DKC1-knockout induced cell cycle arrest and caused cell senescence.
conclusionsOur findings suggest that the precise expression of DKC1 is closely associated with the occurrence and developmental stages of cancer in multiple tissues. Depletion of DKC1 can inhibit the abilities of cancer cells to proliferate, migrate, and invade by arresting the cell cycle and inducing cell senescence. Therefore, DKC1 may be a valuable prognostic biomarker for the diagnosis and treatment of cancer in various tissues.
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