Fig. 2

Venn diagram illustrating the specific and shared DEGs and DIPs among three diseases. The red, blue, and green circles represent asthma, COPD, and IPF DEGs, respectively. The violet and blue, as well as the violet and green squares demonstrate the asthma-COPD and asthma-IPF DIPs, respectively. Finally, the violet and red squares represent COPD-IPF DIPs and the violet square indicates the DIPs among three diseases