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. 2021 Jan 12;16:67–78. doi: 10.2147/COPD.S288428

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© 2021 Sun et al.

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Differentially expressed autophagy-related genes in COPD and healthy samples. (A) Principal component analysis for GSE38974. (B) Volcano plot of the 222 differentially expressed autophagy-related genes. The red dots represent the significantly up-regulated genes and the blue dots indicate the significantly down-regulated genes. (C) Heatmap of the 40 differentially expressed autophagy-related genes in COPD and healthy samples.