DHX32 and colorectal carcinoma: To further study whether DHX32 was also overexpressed in human CRC cells, quantitative real-time RT-PCR (Fig. 1a) and Western blot (Fig. 1b) analyses were carried out to assess the expression of DHX32 in human CRC cell lines SW480, HCT-8, LS174T and SW620, as well as normal human colonic epithelial cell lines NCM460 and CCD-18Co at the mRNA level and protein level, respectively.