Research Article

[Retracted] Environmental and Genetic Factors in the Pathogenesis of COPD in the Road-Working Population

Figure 1

Microarray analysis. (a) Heatmap of sequencing result (top 200 genes). Red: increased gene level; green: decreased gene level. (b) Volcano plot of microarray results. (Blue dots were significantly decreased genes, while red dots were significantly increased genes, , respectively). (c) Bar plot of GO analysis. (d) ggplot of KEGG analysis. (e) Validation of gene expression by rt-PCR. Blue bars represent exposure control, and orange bars represent COPD cases ( in each group, in all comparisons).
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