Indeed, PGC-1 factors were not among the most informative TRs used for modeling, due to their low expression in the studied BC cells (0.14 and 0.60 q75-normalized TPM in CCLE data, and 0.73 and 0.84 q75-normalized FPKM in GSE58135 data). This evidence concerns the gene PPARGC1B and breast cancer.