BUB1 and colorectal cancer: We evaluated the correlation between the expression of HMGA1 and of the SAC genes BUB1, BUB1B, MAD2L1 and TTK, in global mRNA profiles of colorectal cancer generated by The Cancer Genome Atlas (TCGA; http://cancergenome.nih.gov/) for 365 and 222 samples profiled with, respectively, RNAseq and DNA microarrays.