S1. Determination of PPARγ expression in UC and subtyping of UC cell lines. S2. Effect of pharmacological PPARγ inhibition on gene expression and cell cycle progression. S3. Validation of PPARG CRISPR KO and shRNA rescue experiment. S4. Validation of ChIP-seq data from the 5637 cell line. S5. PPARγ regulates proliferation and migration through SHH in UC.