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Article Open Access

Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia

  • Authors:
    • Chenglong Li
    • Biao Zhu
    • Jiao Chen
    • Xiaobing Huang
  • View Affiliations / Copyright

    Affiliations: Department of Hematology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 89-94
    |
    Published online on: May 12, 2016
       https://doi.org/10.3892/mmr.2016.5260
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Abstract

In the present study, gene expression profiles of acute myeloid leukemia (AML) samples were analyzed to identify feature genes with the capacity to predict the mutation status of FLT3/ITD. Two machine learning models, namely the support vector machine (SVM) and random forest (RF) methods, were used for classification. Four datasets were downloaded from the European Bioinformatics Institute, two of which (containing 371 samples, including 281 FLT3/ITD mutation-negative and 90 mutation‑positive samples) were randomly defined as the training group, while the other two datasets (containing 488 samples, including 350 FLT3/ITD mutation-negative and 138 mutation-positive samples) were defined as the test group. Differentially expressed genes (DEGs) were identified by significance analysis of the microarray data by using the training samples. The classification efficiency of the SCM and RF methods was evaluated using the following parameters: Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and the area under the receiver operating characteristic curve. Functional enrichment analysis was performed for the feature genes with DAVID. A total of 585 DEGs were identified in the training group, of which 580 were upregulated and five were downregulated. The classification accuracy rates of the two methods for the training group, the test group and the combined group using the 585 feature genes were >90%. For the SVM and RF methods, the rates of correct determination, specificity and PPV were >90%, while the sensitivity and NPV were >80%. The SVM method produced a slightly better classification effect than the RF method. A total of 13 biological pathways were overrepresented by the feature genes, mainly involving energy metabolism, chromatin organization and translation. The feature genes identified in the present study may be used to predict the mutation status of FLT3/ITD in patients with AML.
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Copy and paste a formatted citation
Spandidos Publications style
Li C, Zhu B, Chen J and Huang X: Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia. Mol Med Rep 14: 89-94, 2016.
APA
Li, C., Zhu, B., Chen, J., & Huang, X. (2016). Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia. Molecular Medicine Reports, 14, 89-94. https://doi.org/10.3892/mmr.2016.5260
MLA
Li, C., Zhu, B., Chen, J., Huang, X."Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia". Molecular Medicine Reports 14.1 (2016): 89-94.
Chicago
Li, C., Zhu, B., Chen, J., Huang, X."Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia". Molecular Medicine Reports 14, no. 1 (2016): 89-94. https://doi.org/10.3892/mmr.2016.5260
Copy and paste a formatted citation
x
Spandidos Publications style
Li C, Zhu B, Chen J and Huang X: Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia. Mol Med Rep 14: 89-94, 2016.
APA
Li, C., Zhu, B., Chen, J., & Huang, X. (2016). Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia. Molecular Medicine Reports, 14, 89-94. https://doi.org/10.3892/mmr.2016.5260
MLA
Li, C., Zhu, B., Chen, J., Huang, X."Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia". Molecular Medicine Reports 14.1 (2016): 89-94.
Chicago
Li, C., Zhu, B., Chen, J., Huang, X."Feature genes predicting the FLT3/ITD mutation in acute myeloid leukemia". Molecular Medicine Reports 14, no. 1 (2016): 89-94. https://doi.org/10.3892/mmr.2016.5260
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