Supplementary Figures for the manuscript under consideration in AJP-Lung titled “<b><i>PLK1 Inhibition by Volasertib Suppresses Key Transcriptional Regulators Underlying Fibroblast Activation and Pulmonary Fibrosis</i></b>” (MS# L-00204-2025).

Supplementary Figure 1. Representative images of distal lung section at both lower and higher magnification immuno-stained with isotype control (IgG2A) antibody. Supplementary Figure 2. Full blot images for Figure 2G. Supplementary Figure 3. Full blot images for Figure 3G. Supplementary Figure 4. Full blot images for Figure 4A. Supplementary Figure 5. Full blot images for Figure 5E.