ArticleCancers2026
DNA Methylation of Pharmacologic and Leukemia-Related Genes Predicts Clinical Outcomes in Pediatric Acute Myeloid Leukemia.
Article in Cancers, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
backgroundAberrant DNA methylation is a hallmark of acute myeloid leukemia (AML) and contributes to leukemogenesis, treatment response, and clinical heterogeneity. While genome-wide methylation studies have identified prognostic methylation signatures, the impact of DNA methylation within pharmacologic pathways and AML-relevant disease genes remains incompletely understood. We investigated the association of DNA methylation in genes of pharmacokinetic/pharmacodynamic (PK/PD) pathways of drugs used to treat AML and in myeloid leukemia-related genes with treatment outcomes in pediatric AML.
methodsDNA methylation profiles from 924 pediatric AML patients treated on Children's Oncology Group trials (AAML1031, AAML0531, and AAML03P1-available publicly) were analyzed as a discovery cohort. A validation cohort included 159 patients treated on the AML02 trial. A total of 2296 variable CpG sites mapping to 65 PK/PD genes and 107 AML biology/leukemia stemness genes were evaluated. Associations between CpG methylation, gene expression, event-free survival (EFS), overall survival (OS), and measurable residual disease after induction I (MRD1) were assessed using Cox proportional hazards, logistic regression, and correlation analyses.
resultsTwenty-three CpG sites in PK/PD genes and forty-two CpG sites in AML-related genes were significantly associated with at least one clinical endpoint after Bonferroni correction (
conclusionsDNA methylation of key pharmacologic and leukemia-related genes is associated with clinical outcomes in pediatric AML. These findings identify biologically and clinically relevant epigenetic biomarkers that may improve risk stratification and support the development of precision medicine approaches incorporating DNA methylation profiling and epigenetic therapies in pediatric AML.
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