LEF1 and breast cancer: We observed that the expression of 8 genes (Slc1a2, Larp1b, Lef1, Edn2, Slc6a12, Fgf21, C1qtnf5 and Flt3l) is appreciably elevated in invasive BC compared to normal breast samples using the Cancer Genome Atlas (TCGA) dataset (Fig. 7b).