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Combining affinity propagation clustering and mutual information network to investigate key genes in fibroid

  • Authors:
    • Qian‑Song Chen
    • Dan Wang
    • Bao‑Lian Liu
    • Shu‑Feng Gao
    • Dan‑Li Gao
    • Gui‑Rong Li

  • View Affiliations

  • Published online on: May 22, 2017     https://doi.org/10.3892/etm.2017.4481
  • Pages: 251-259

  • Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The aim of the present study was to investigate key genes in fibroids based on the multiple affinity propogation-Krzanowski and Lai (mAP‑KL) method, which included the maxT multiple hypothesis, Krzanowski and Lai (KL) cluster quality index, affinity propagation (AP) clustering algorithm and mutual information network (MIN) constructed by the context likelihood of relatedness (CLR) algorithm. In order to achieve this goal, mAP‑KL was initially implemented to investigate exemplars in fibroid, and the maxT function was employed to rank the genes of training and test sets, and the top 200 genes were obtained for further study. In addition, the KL cluster index was applied to determine the quantity of clusters and the AP clustering algorithm was conducted to identify the clusters and their exemplars. Subsequently, the support vector machine (SVM) model was selected to evaluate the classification performance of mAP‑KL. Finally, topological properties (degree, closeness, betweenness and transitivity) of exemplars in MIN constructed according to the CLR algorithm were assessed to investigate key genes in fibroid. The SVM model validated that the classification between normal controls and fibroid patients by mAP‑KL had a good performance. A total of 9 clusters and exemplars were identified based on mAP‑KL, which were comprised of CALCOCO2, COL4A2, COPS8, SNCG, PA2G4, C17orf70, MARK3, BTNL3 and TBC1D13. By accessing the topological analysis for exemplars in MIN, SNCG and COL4A2 were identified as the two most significant genes of four types of methods, and they were denoted as key genes in the progress of fibroid. In conclusion, two key genes (SNCG and COL4A2) and 9 exemplars were successfully investigated, and these may be potential biomarkers for the detection and treatment of fibroid.
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July-2017
Volume 14 Issue 1

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Chen QS, Wang D, Liu BL, Gao SF, Gao DL and Li GR: Combining affinity propagation clustering and mutual information network to investigate key genes in fibroid. Exp Ther Med 14: 251-259, 2017
APA
Chen, Q., Wang, D., Liu, B., Gao, S., Gao, D., & Li, G. (2017). Combining affinity propagation clustering and mutual information network to investigate key genes in fibroid. Experimental and Therapeutic Medicine, 14, 251-259. https://doi.org/10.3892/etm.2017.4481
MLA
Chen, Q., Wang, D., Liu, B., Gao, S., Gao, D., Li, G."Combining affinity propagation clustering and mutual information network to investigate key genes in fibroid". Experimental and Therapeutic Medicine 14.1 (2017): 251-259.
Chicago
Chen, Q., Wang, D., Liu, B., Gao, S., Gao, D., Li, G."Combining affinity propagation clustering and mutual information network to investigate key genes in fibroid". Experimental and Therapeutic Medicine 14, no. 1 (2017): 251-259. https://doi.org/10.3892/etm.2017.4481