ITPKC and cancer: To study the association between ITPKC expression and clinical characteristics in TNBC, we compared ITPKC levels with age at diagnosis, race and tumor, using the tumor size, lymph node, and metastasis (TNM) as well as cancer stage (Stages I–IV) classification based on the AJCC cancer staging system in the TCGA (Table 1) as well as in the GSE25066 cohort (Table S1).