ArticleTranslational cancer research2020
Identifying four DNA methylation gene sites signature for predicting prognosis of osteosarcoma.
Article in Translational cancer research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The Role of DNA Methylation in Osteosarcoma Pathogenesis and Therapy.OncoTargets and therapy · 2026Review
- Role of epigenetics in paediatric cancer pathogenesis & drug resistance.British journal of cancer · 2025Review
- Advances in prognostic models for osteosarcoma risk.Heliyon · 2024Review
- Establishing and Validating an Aging-Related Prognostic Signature in Osteosarcoma.Stem cells international · 2023Article
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6 authors.
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Abstract
backgroundOsteosarcoma (OS) is a common malignant bone tumor in children and adolescents. DNA methylation plays a crucial role in the prognosis prediction of cancer. Identification of novel DNA methylation sites biomarkers could be beneficial for the prognosis of OS patients. In this study, we aim to find an efficient methylated site model for predicting survival in OS.
methodsDNA methylation data were downloaded from the Cancer Genome Atlas database (TCGA) and the GEO database. Cox proportional hazard regression and random survival forest algorithm (RSFVH) were applied to identify DNA methylated site signature in the samples randomly assigned to the training subset and the other samples as the test subset. By randomizing 71 clinical samples into two individual groups and a series of statistical analyses between the two groups, a DNA methylation signature is verified.
resultsThis signature comprises four methylation sites (cg04533248, cg12401425, cg13997435, and cg15075357) associated with the patient training group from the univariate Cox proportional hazards regression analysis, RSFVH, and multivariate Cox regression analysis. Kaplan-Meier survival curves showed the OS patients in the high-risk group have a poor 5-year overall survival compared with the low-risk group, and this finding was identified in the test data set. A ROC analysis was performed in the current research. The results revealed that this signature was an independent predictor of patient survival by investigating the AUC of the four methylation sites signature in the training data set (AUC =0.861) and test data set, respectively (AUC =0.920). The nomogram described in the current study placed a great guiding value for predicting 1-, 2-, 3-year survival of the OS by combining age, gender, grade, and TNM stage as covariates with the RS of patients' methylation related signatures.
conclusionsOur study proved that this signature might be a powerful prognostic tool for survival rate evaluation and guide tailored therapy for OS patients.
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