ArticleMolecular cancer2024
Epigenome-wide analysis across the development span of pediatric acute lymphoblastic leukemia: backtracking to birth.
Article in Molecular cancer, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- The impact of periconceptional folate on the DNA methylome of acute lymphoblastic leukemia.Leukemia · 2026Article
- Author's Response to the Commentary by Raitoharju E et al. on "Epigenome-wide analysis across the development span of pediatric acute lymphoblastic leukemia: backtracking to birth".Molecular cancer · 2026Article
- The Unique Utility of Newborn Dried Blood Spots for Driving Discovery in Childhood Cancer Research.Clinical chemistry · 2025Review
- Comprehensive Epigenome-Wide Profiling Reveals Distinctive DNA Methylation Signatures and Potential Prognostic Biomarkers in Mexican Pediatric B-ALL.International journal of molecular sciences · 2025Article
- DNA methylation profiles and cancer in children conceived after assisted reproductive technology.Clinical epigenetics · 2025Article
- The potential role of environmentally associated DNA methylation in childhood acute lymphoblastic leukaemia subtypes.International journal of cancer · 2025Article
- Age-Driven Genetic and Epigenetic Heterogeneity in B-ALL.International journal of molecular sciences · 2025Review
- Liquid Biopsy and Epigenetic Signatures in AML, ALL, and CNS Tumors: Diagnostic and Monitoring Perspectives.International journal of molecular sciences · 2025Review
- Human genomic regions of systemic interindividual epigenetic variation are implicated in neurodevelopmental and metabolic disorders.medRxiv : the preprint server for health sciences · 2025Article
- Commentary on "Epigenome-wide analysis across the development span of pediatric acute lymphoblastic leukemia: backtracking to birth".Molecular cancer · 2025Article
- The DNA methylation landscape of musculoskeletal sarcomas.Exploration of targeted anti-tumor therapy · 2025Review
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31 authors.
Funding
Abstract
backgroundCancer is the leading cause of disease-related mortality in children. Causes of leukemia, the most common form, are largely unknown. Growing evidence points to an origin in-utero, when global redistribution of DNA methylation occurs driving tissue differentiation.
methodsEpigenome-wide DNA methylation was profiled in surrogate (blood) and target (bone marrow) tissues at birth, diagnosis, remission and relapse of pediatric pre-B acute lymphoblastic leukemia (pre-B ALL) patients. Double-blinded analyses was performed between prospective cohorts extending from birth to diagnosis and retrospective studies backtracking from clinical disease to birth. Validation was carried out using independent technologies and populations.
resultsThe imprinted and immuno-modulating VTRNA2-1 was hypermethylated (FDR<0.05) at birth in nested cases relative to controls in all tested populations (totaling 317 cases and 483 controls), including European and Hispanic ancestries. VTRNA2-1 methylation was stable over follow-up years after birth and across surrogate, target and other tissues (n=5,023 tissues; 30 types). When profiled in leukemic tissues from two clinical cohorts (totaling 644 cases), VTRNA2-1 methylation exhibited higher levels at diagnosis relative to controls, it reset back to normal levels at remission, and then re-increased to above control levels at relapse. Hypermethylation was significantly associated with worse pre-B ALL patient survival and with reduced VTRNA2-1 expression (n=2,294 tissues; 26 types), supporting a functional and translational role for VTRNA2-1 methylation.
conclusionThis study provides proof-of-concept to detect at birth epigenetic precursors of pediatric pre-B ALL. These alterations were reproducible with different technologies, in three continents and in two ethnicities, and can offer biomarkers for early detection and prognosis as well as actionable targets for therapy.
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