Clinical significance of aberrant DNA methylation in childhood acute lymphoblastic leukemia

Methylation profile was analyzed in ninety-five patients with childhood acute lymphoblastic leukemia (ALL). Methylation of both MGMT and p16 genes were associated with higher age (p=0.01 and p=0.03, respectively). Methylation of both p15 and SHP1 genes occurred more frequently in T-ALL than in precu...

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Hauptverfasser: Takeuchi, Seisho (VerfasserIn) , Matsushita, Masahide (VerfasserIn) , Zimmermann, Martin (VerfasserIn) , Ikezoe, Takayuki (VerfasserIn) , Komatsu, Naoki (VerfasserIn) , Seriu, Taku (VerfasserIn) , Schrappe, Martin (VerfasserIn) , Bartram, Claus R. (VerfasserIn) , Koeffler, H. Phillip (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 17 May 2011
In: Leukemia research
Year: 2011, Jahrgang: 35, Heft: 10, Pages: 1345-1349
ISSN:1873-5835
DOI:10.1016/j.leukres.2011.04.015
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.leukres.2011.04.015
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0145212611002049
Volltext
Verfasserangaben:Seisho Takeuchi, Masahide Matsushita, Martin Zimmermann, Takayuki Ikezoe, Naoki Komatsu, Taku Seriu, Martin Schrappe, Claus R. Bartram, H. Phillip Koeffler

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520 |a Methylation profile was analyzed in ninety-five patients with childhood acute lymphoblastic leukemia (ALL). Methylation of both MGMT and p16 genes were associated with higher age (p=0.01 and p=0.03, respectively). Methylation of both p15 and SHP1 genes occurred more frequently in T-ALL than in precursor B-ALL (p=0.02 and p=0.01, respectively). In contrast, methylation of the DAPK gene was more frequent in precursor B-ALL (p=0.01). Patients with methylation of multiple genes more likely had T cell phenotype, and are classified as medium/high risk (p=0.004 and p=0.03, respectively). These results suggest that methylation status is associated with clinicopathological features in childhood ALL. 
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