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. 2019 Mar 28;18:76. doi: 10.1186/s12944-019-1023-6

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© The Author(s). 2019

Open AccessThis 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. 4 — Heat map and volcano plots showed the expression profiles of mRNAs under two diet conditions. a Heat map for the DEGs. Each row represents a tissue sample (total 6 samples); each column represents a single gene. The gradual colour ranged from red to green represented the mRNA expression changing from up-regulation to down-regulation. b The volcano plot showed significantly changed mRNAs with FDR < 0.05 and |log2FC (fold change)| ≥ 1. The red-marked nodes represented up-regulated genes (155), the blue ones represented down-regulated genes (493), and the grey ones showed no significance