Genome-wide DNA methylation analysis pre- and post-lenalidomide treatment in patients with myelodysplastic syndrome with isolated deletion (5q)

Myelodysplastic syndrome (MDS) with isolated deletion of chromosome 5q (MDS del5q) is a distinct subtype of MDS with quite favorable prognosis and excellent response to treatment with lenalidomide. Still, a relevant percentage of patients do not respond to lenalidomide and even experience progressio...

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Veröffentlicht in:Annals of hematology 2021-06, Vol.100 (6), p.1463-1471
Hauptverfasser: Hecht, Anna, Meyer, Julia A., Jann, Johann-Christoph, Sockel, Katja, Giagounidis, Aristoteles, Götze, Katharina S., Letsch, Anne, Haase, Detlef, Schlenk, Richard F., Haferlach, Torsten, Schafhausen, Philippe, Bug, Gesine, Lübbert, Michael, Thol, Felicitas, Büsche, Guntram, Schuler, Esther, Nowak, Verena, Obländer, Julia, Fey, Stephanie, Müller, Nadine, Metzgeroth, Georgia, Hofmann, Wolf-Karsten, Germing, Ulrich, Nolte, Florian, Reinwald, Mark, Nowak, Daniel
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container_issue 6
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container_title Annals of hematology
container_volume 100
creator Hecht, Anna
Meyer, Julia A.
Jann, Johann-Christoph
Sockel, Katja
Giagounidis, Aristoteles
Götze, Katharina S.
Letsch, Anne
Haase, Detlef
Schlenk, Richard F.
Haferlach, Torsten
Schafhausen, Philippe
Bug, Gesine
Lübbert, Michael
Thol, Felicitas
Büsche, Guntram
Schuler, Esther
Nowak, Verena
Obländer, Julia
Fey, Stephanie
Müller, Nadine
Metzgeroth, Georgia
Hofmann, Wolf-Karsten
Germing, Ulrich
Nolte, Florian
Reinwald, Mark
Nowak, Daniel
description Myelodysplastic syndrome (MDS) with isolated deletion of chromosome 5q (MDS del5q) is a distinct subtype of MDS with quite favorable prognosis and excellent response to treatment with lenalidomide. Still, a relevant percentage of patients do not respond to lenalidomide and even experience progression to acute myeloid leukemia (AML). In this study, we aimed to investigate whether global DNA methylation patterns could predict response to lenalidomide. Genome-wide DNA methylation analysis using Illumina 450k methylation arrays was performed on n =51 patients with MDS del5q who were uniformly treated with lenalidomide in a prospective multicenter trial of the German MDS study group. To study potential direct effects of lenalidomide on DNA methylation, 17 paired samples pre- and post-treatment were analyzed. Our results revealed no relevant effect of lenalidomide on methylation status. Furthermore, methylation patterns prior to therapy could not predict lenalidomide response. However, methylation clustering identified a group of patients with a trend towards inferior overall survival. These patients showed hypermethylation of several interesting target genes, including genes of relevant signaling pathways, potentially indicating the evaluation of novel therapeutic targets.
doi_str_mv 10.1007/s00277-021-04492-1
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subjects Adult
Aged
Aged, 80 and over
Antineoplastic Agents - pharmacology
Antineoplastic Agents - therapeutic use
Chromosome Deletion
Chromosomes, Human, Pair 5 - genetics
DNA methylation
DNA Methylation - drug effects
Female
Genomes
Hematology
Humans
Immunotherapy
Lenalidomide - pharmacology
Lenalidomide - therapeutic use
Male
Medical prognosis
Medicine
Medicine & Public Health
Middle Aged
Myelodysplastic syndromes
Myelodysplastic Syndromes - drug therapy
Myelodysplastic Syndromes - genetics
Oncology
Original
Original Article
Targeted cancer therapy
Treatment Outcome
title Genome-wide DNA methylation analysis pre- and post-lenalidomide treatment in patients with myelodysplastic syndrome with isolated deletion (5q)
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