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Updated: May 20, 2026

Continuous Fluorescence-Based Endonuclease-Coupled DNA Methylation Assay to Screen for DNA Methyltransferase Inhibitors
Published on: August 5, 2022
Decreased DNA methylation in acute myeloid leukemia patients with DNMT3A mutations and prognostic implications of DNA
Hana Hájková1, Jana Marková, Cedrik Haškovec
1Institute of Hematology and Blood Transfusion, Prague, Czech Republic. hana.hajkova@uhkt.cz
Abstract:
We examined 79 acute myeloid leukemia (AML) patients for DNA methylation of 12 tumor suppressor genes (TSG) and 24 homeobox domain (Hox) genes, and additionally for mutations in DNMT3A gene. We observed lower levels of DNA methylation (P<0.0001) as well as smaller numbers of concurrently hypermethylated genes (P<0.0001) in patients with DNMT3A mutations. Our study of the impact of DNA methylation on prognosis in intermediate and high risk AML patients revealed a relation between higher DNA methylation and better patients' outcome. Lower DNA methylation was linked with higher relapse rates and an inferior overall survival.
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