These analyses identified a network of 5 genes: HSP90AB1 (a member of the heat shock family of proteins), CSNK2B, (casein kinase 2β), TK1 (thymidine kinase 1), YWHAB (a member of the 14-3-3 family of proteins), and VIM (vimentin, a type III mesenchymal intermediate filament) that have also been reported to be upregulated in breast cancer [23–31]. This evidence concerns the gene TK1 and breast cancer.