TTK and breast cancer: We examined the TCGA dataset to understand the differences in the mRNA expression of Nek2 (Fig. 2A), TTK (Fig. 2B), and TBK1 (Fig. 2C) in NHW (n = 743), NHB (n = 187), and H/L (n = 39) populations with breast cancer based on their self-reported race and ethnicity.