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. 2015 Sep 4;15:105. doi: 10.1186/s12903-015-0086-7

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© Song et al. 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Analysis of the PPI network.A, topological analysis of the degrees of the DEGs in the PPI network. Horizontal axis stands for the degree of one DEG and vertical axis stands for the number of nodes. B, module 1 of DEGs from PPI network. C, module 2 of DEGs from PPI network. D, module 3 of DEGs from PPI network. Red nodes stand for the up-regulated DEGs while green nodes stand for the down-regulated genes. The size of one node is proportional to the degree of this gene