ArticleJournal of Cancer2025
Pseudouridylation-Related Genes Predict Prognosis and Therapeutic Response in Hepatocellular Carcinoma Patients.
Article in Journal of Cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Emerging evidence has demonstrated that pseudouridylation regulates mRNA translation and gene expression, yet its molecular characteristics in hepatocellular carcinoma (HCC) remain unknown. Using public databases, we developed pseudouridylation-related molecular subtype and risk score model to assess HCC patient prognosis and disclose their clinical feature, molecular mechanism and immune landscape. Furthermore, quantitative polymerase chain reaction (qPCR) was performed to verify the expression of RDM1, CDCA3 and FLVCR1. Specifically, functional enrichment analysis revealed pseudouridylation-related genes (PRGs) predominantly regulate transcriptional and translational regulation. Prognostic PRGs stratified HCC into two distinct subtypes, the cluster 1 had a poor prognosis and was characterized by high alpha fetoprotein level, poor differentiation, advanced tumor stage, large tumor size, frequent TP53 mutation, up-regulation of cell cycle- and mitosis-associated genes, which was similar to the aggressive proliferation subtype of HCC. In contrast, the cluster 2 exhibited good prognosis and increased infiltration of immune cells, resembling the non-proliferation subtype of HCC, and suggesting its potential responsiveness to immunotherapy. Survival analysis discovered that the risk score model served as an independent prognostic factor, with high-risk group exhibiting significantly shorter overall survival and recurrence-free survival than low-risk group. Notably, receiver operating characteristic analysis revealed that the risk model had a powerful predictive performance for 1- and 3- year survival (AUC=0.806). In addition, functional enrichment analysis suggested that upregulated genes of high-risk group displayed an enrichment of cell cycle progression, mitotic division, and some oncogenic signaling pathways (PLK1, FOXM1, and p53 signaling pathways). qPCR experiment confirmed the significant overexpression of RDM1, CDCA3, and FLVCR1 in HCC tissues, being consistent with public database analysis. In conclusion, pseudouridylation related-molecular subtype and risk model may effectively predict the prognosis and therapeutic response of HCC.
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