Research Papers:

Automated analysis of acute myeloid leukemia minimal residual disease using a support vector machine

Wanmao Ni, Beili Hu, Cuiping Zheng, Yin Tong, Lei Wang, Qing-qing Li, Xiangmin Tong and Yong Han _

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Oncotarget. 2016; 7:71915-71921. https://doi.org/10.18632/oncotarget.12430

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Wanmao Ni1, Beili Hu2, Cuiping Zheng3, Yin Tong4, Lei Wang1, Qing-qing Li1, Xiangmin Tong1, Yong Han1

1Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People’s Hospital, Hangzhou, Zhejiang, P. R. China

2Medical of College, Zhejiang University, Hangzhou, Zhejiang, P. R. China

3The Center Hospital of Wenzhou, Wenzhou, Zhejiang, P. R. China

4Department of Hematology, Shanghai General Hospital, Shanghai, P. R. China

Correspondence to:

Xiangmin Tong, email: tongxiangmin@163.com

Yong Han, email: onlune@126.com

Keywords: flow cytometry, immunophenotyping, support vector machine, acute myeloid leukemia, minimal residual disease

Received: July 04, 2016     Accepted: September 29, 2016     Published: October 04, 2016


We investigated the ability of support vector machines (SVM) to analyze minimal residual disease (MRD) in flow cytometry data from patients with acute myeloid leukemia (AML) automatically, objectively and standardly. The initial disease data and MRD review data in the form of 159 flow cytometry standard 3.0 files from 36 CD7-positive AML patients in whom MRD was detected more than once were exported. SVM was used for training with setting the initial disease data to 1 as the flag and setting 15 healthy persons to set 0 as the flag. Based on the two training groups, parameters were optimized, and a predictive model was built to analyze MRD data from each patient. The automated analysis results from the SVM model were compared to those obtained through conventional analysis to determine reliability. Automated analysis results based on the model did not differ from and were correlated with results obtained through conventional analysis (correlation coefficient c = 0.986, P > 0.05). Thus the SVM model could potentially be used to analyze flow cytometry-based AML MRD data automatically, objectively, and in a standardized manner.

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