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An 86-probe-set gene-expression signature predicts survival in cytogenetically normal acute myeloid leukemia.
Blood 112, 4193-4201 (2008)
Patients with cytogenetically normal acute myeloid leukemia (CN-AML) show heterogeneous treatment outcomes. We used gene-expression profiling to develop a gene signature that predicts overall survival (OS) in CN-AML. Based on data from 163 patients treated in the German AMLCG 1999 trial and analyzed on oligonucleotide microarrays, we used supervised principal component analysis to identify 86 probe sets (representing 66 different genes), which correlated with OS, and defined a prognostic score based on this signature. When applied to an independent cohort of 79 CN-AML patients, this continuous score remained a significant predictor for OS (hazard ratio [HR], 1.85; P = .002), event-free survival (HR = 1.73; P = .001), and relapse-free survival (HR = 1.76; P = .025). It kept its prognostic value in multivariate analyses adjusting for age, FLT3 ITD, and NPM1 status. In a validation cohort of 64 CN-AML patients treated on CALGB study 9621, the score also predicted OS (HR = 4.11; P < .001), event-free survival (HR = 2.90; P < .001), and relapse-free survival (HR = 3.14, P < .001) and retained its significance in a multivariate model for OS. In summary, we present a novel gene-expression signature that offers additional prognostic information for patients with CN-AML.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2008
HGF-reported in Year
2008
ISSN (print) / ISBN
0006-4971
e-ISSN
1528-0020
Journal
Blood
Quellenangaben
Volume: 112,
Issue: 10,
Pages: 4193-4201
Publisher
American Society of Hematology
Reviewing status
Peer reviewed
Institute(s)
CCG Pathogenesis of Acute Myeloid Leukemia (KKG-KPL)
POF-Topic(s)
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s)
Immune Response and Infection
PSP Element(s)
G-521000-001
Scopus ID
57449103508
Erfassungsdatum
2008-12-15