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Affymetrix SNP array data for pediatric acute myeloid leukemia (AML) samples at diagnosis: Sty2 SNP array

ABSTRACT: Genome-wide profiling of Copy Number Alterations (CNA) and Loss of Heterozygosity (LOH), gene expression and resequencing of pediatric AML. This study characterizes the CNA and LOH in a representative cross-section through subtypes of pediatric AML. Affymetrix SNP arrays were performed according to the manufacturer's directions on DNA extracted from cryopreserved diagnostic bone marrow or peripheral blood samples. 111 pediatric AML samples were studied using either Affymetrix 100K + 500K 5.0 SNP arrays, 65 of the samples had paired germ line material. The supplemental files 'GSE15731_AML_175_SNP_Sty_signal.txt' and 'GSE15731_AML_176_SNP_Sty_signal.txt' contain the raw signals generated by dChip without normalization. The CNA and LOH data can be found in the Supplemental Information of the associated manuscript.

ORGANISM(S): Homo sapiens

SUBMITTER: Guangchun Song 

PROVIDER: E-GEOD-15731 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Pediatric de novo acute myeloid leukemia (AML) is an aggressive malignancy with current therapy resulting in cure rates of only 60%. To better understand the cause of the marked heterogeneity in therapeutic response and to identify new prognostic markers and therapeutic targets a comprehensive list of the genetic mutations that underlie the pathogenesis of AML is needed. To approach this goal, we examined diagnostic leukemic samples from a cohort of 111 children with de novo AML using single-nuc  ...[more]

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