The Mechanism of Quercetin in the Treatment of Lung Squamous Cell Carcinoma Based on a Protein-Protein Interaction Network

Figure 4

The identification of key target genes. (a) The vertical axis indicates the distribution of the gene expression, in which different groups are represented by different colors, ^∗ < 0.05, ^∗∗ < 0.01, and ^∗∗∗ < 0.001, and the asterisk indicates the importance (^∗). (b) SwissTargetPrediction target of QR. (c) The Venn diagram of disease and drug targets. (d) The schematic diagram of binding sites for molecular docking of PLK1 and QR 3D models.

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