This study aimed to assess the prognostic influences of Wilms tumor 1 (WT1) gene mutations in cytogenetically normal acute myeloid leukemia (CN-AML) among Egyptian patients. Exon 7 of WT1 was screened for mutations in samples from 82 CN-AML patients out of 203 newly diagnosed AML patients, using a high-resolution capillary electrophoresis. Seven out of 82 AML patients (8.3 %) harbored WT1 mutations. There was no significant difference between the mutant WT1 and wild type AML patients as regard age, sex, French-American-British subtypes and the prevalence of success of induction remission therapy (P < 0.5). AML patients with mutant WT1 had shorter overall survival as compared to those patients with wild WT1 (HR = 1.38; 95 % CI 4.79-6.86; P = 0.004). In conclusion, CN-AML patients with WT1 gene mutation have poor clinical outcome. We recommend testing the WT1 mutations as part of molecularly based risk assessment and risk-adapted treatment stratification of patients with CN-AML.
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| http://dx.doi.org/10.1007/s12288-013-0288-6 | DOI Listing |
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