Intriguingly, we observed a statistically significant inverse correlation between HBP1 and EZH2 expression in cervical tumors from NCBI GEO database GSE9750 and in many cancer cell lines, such as HCT116 (a human colorectal cancer cell line) and A549 (a human lung carcinoma cell line), through data mining using the background dataset of the TumorProfile database (data not shown). Here, EZH2 is linked to lung carcinoma.