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August 12, 2026British Journal of Haematology

Multiomics analysis focusing on genome‐wide DNA methylation in paediatric acute promyelocytic leukaemia

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Authors

EMEtsuko MurayamaTKTomoko KawaiGYGenki Yamato

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Overview

Randomized trial reveals poorer outcomes linked to DNA methylation patterns in paediatric acute promyelocytic leukaemia, suggesting enhanced diagnostic strategies.

Key Points

  • This research investigates DNA methylation patterns and their impact on outcomes in paediatric acute promyelocytic leukaemia (APL).
  • Conducted multiomics analysis on 36 patients with paediatric APL.
  • Used targeted deep sequencing to identify mutations in EP300 and MYC.
  • Classified patients based on DNA methylation analysis into hypermethylation and hypomethylation groups.
  • Patients in the hypermethylation group showed a 3-year overall survival of 80% compared to 100% in the hypomethylation group (p=0.043).
  • The hypermethylation group had a 3-year event-free survival of 73% versus 95% in the hypomethylation group (p=0.049).
  • EP300 was significantly downregulated in the hypermethylation group, while MYC was upregulated during the G2M checkpoint.

Cite This Study

Murayama et al. (2026) studied this question.

synapsesocial.com/papers/6a7c20ae06a85aed514b798ahttps://doi.org/10.1111/bjh.70733
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